remove vendor

vendor/github.com/coreos/go-oidc/.gitignore

@@ -1,2 +0,0 @@
-/bin
-/gopath

vendor/github.com/coreos/go-oidc/.travis.yml

@@ -1,16 +0,0 @@
-language: go
-
-go:
-  - "1.12"
-  - "1.13"
-
-install:
- - go get -v -t github.com/coreos/go-oidc/...
- - go get golang.org/x/tools/cmd/cover
- - go get golang.org/x/lint/golint
-
-script:
- - ./test
-
-notifications:
-  email: false

vendor/github.com/coreos/go-oidc/CONTRIBUTING.md

@@ -1,71 +0,0 @@
-# How to Contribute
-
-CoreOS projects are [Apache 2.0 licensed](LICENSE) and accept contributions via
-GitHub pull requests.  This document outlines some of the conventions on
-development workflow, commit message formatting, contact points and other
-resources to make it easier to get your contribution accepted.
-
-# Certificate of Origin
-
-By contributing to this project you agree to the Developer Certificate of
-Origin (DCO). This document was created by the Linux Kernel community and is a
-simple statement that you, as a contributor, have the legal right to make the
-contribution. See the [DCO](DCO) file for details.
-
-# Email and Chat
-
-The project currently uses the general CoreOS email list and IRC channel:
-- Email: [coreos-dev](https://groups.google.com/forum/#!forum/coreos-dev)
-- IRC: #[coreos](irc://irc.freenode.org:6667/#coreos) IRC channel on freenode.org
-
-Please avoid emailing maintainers found in the MAINTAINERS file directly. They
-are very busy and read the mailing lists.
-
-## Getting Started
-
-- Fork the repository on GitHub
-- Read the [README](README.md) for build and test instructions
-- Play with the project, submit bugs, submit patches!
-
-## Contribution Flow
-
-This is a rough outline of what a contributor's workflow looks like:
-
-- Create a topic branch from where you want to base your work (usually master).
-- Make commits of logical units.
-- Make sure your commit messages are in the proper format (see below).
-- Push your changes to a topic branch in your fork of the repository.
-- Make sure the tests pass, and add any new tests as appropriate.
-- Submit a pull request to the original repository.
-
-Thanks for your contributions!
-
-### Format of the Commit Message
-
-We follow a rough convention for commit messages that is designed to answer two
-questions: what changed and why. The subject line should feature the what and
-the body of the commit should describe the why.
-
-```
-scripts: add the test-cluster command
-
-this uses tmux to setup a test cluster that you can easily kill and
-start for debugging.
-
-Fixes #38
-```
-
-The format can be described more formally as follows:
-
-```
-<subsystem>: <what changed>
-<BLANK LINE>
-<why this change was made>
-<BLANK LINE>
-<footer>
-```
-
-The first line is the subject and should be no longer than 70 characters, the
-second line is always blank, and other lines should be wrapped at 80 characters.
-This allows the message to be easier to read on GitHub as well as in various
-git tools.

vendor/github.com/coreos/go-oidc/DCO

@@ -1,36 +0,0 @@
-Developer Certificate of Origin
-Version 1.1
-
-Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
-660 York Street, Suite 102,
-San Francisco, CA 94110 USA
-
-Everyone is permitted to copy and distribute verbatim copies of this
-license document, but changing it is not allowed.
-
-
-Developer's Certificate of Origin 1.1
-
-By making a contribution to this project, I certify that:
-
-(a) The contribution was created in whole or in part by me and I
-    have the right to submit it under the open source license
-    indicated in the file; or
-
-(b) The contribution is based upon previous work that, to the best
-    of my knowledge, is covered under an appropriate open source
-    license and I have the right under that license to submit that
-    work with modifications, whether created in whole or in part
-    by me, under the same open source license (unless I am
-    permitted to submit under a different license), as indicated
-    in the file; or
-
-(c) The contribution was provided directly to me by some other
-    person who certified (a), (b) or (c) and I have not modified
-    it.
-
-(d) I understand and agree that this project and the contribution
-    are public and that a record of the contribution (including all
-    personal information I submit with it, including my sign-off) is
-    maintained indefinitely and may be redistributed consistent with
-    this project or the open source license(s) involved.

vendor/github.com/coreos/go-oidc/LICENSE

@@ -1,202 +0,0 @@
-Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
-      (an example is provided in the Appendix below).
-
-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
-
-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
-      submitted to Licensor for inclusion in the Work by the copyright owner
-      or by an individual or Legal Entity authorized to submit on behalf of
-      the copyright owner. For the purposes of this definition, "submitted"
-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      copyright license to reproduce, prepare Derivative Works of,
-      publicly display, publicly perform, sublicense, and distribute the
-      Work and such Derivative Works in Source or Object form.
-
-   3. Grant of Patent License. Subject to the terms and conditions of
-      this License, each Contributor hereby grants to You a perpetual,
-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
-      (except as stated in this section) patent license to make, have made,
-      use, offer to sell, sell, import, and otherwise transfer the Work,
-      where such license applies only to those patent claims licensable
-      by such Contributor that are necessarily infringed by their
-      Contribution(s) alone or by combination of their Contribution(s)
-      with the Work to which such Contribution(s) was submitted. If You
-      institute patent litigation against any entity (including a
-      cross-claim or counterclaim in a lawsuit) alleging that the Work
-      or a Contribution incorporated within the Work constitutes direct
-      or contributory patent infringement, then any patent licenses
-      granted to You under this License for that Work shall terminate
-      as of the date such litigation is filed.
-
-   4. Redistribution. You may reproduce and distribute copies of the
-      Work or Derivative Works thereof in any medium, with or without
-      modifications, and in Source or Object form, provided that You
-      meet the following conditions:
-
-      (a) You must give any other recipients of the Work or
-          Derivative Works a copy of this License; and
-
-      (b) You must cause any modified files to carry prominent notices
-          stating that You changed the files; and
-
-      (c) You must retain, in the Source form of any Derivative Works
-          that You distribute, all copyright, patent, trademark, and
-          attribution notices from the Source form of the Work,
-          excluding those notices that do not pertain to any part of
-          the Derivative Works; and
-
-      (d) If the Work includes a "NOTICE" text file as part of its
-          distribution, then any Derivative Works that You distribute must
-          include a readable copy of the attribution notices contained
-          within such NOTICE file, excluding those notices that do not
-          pertain to any part of the Derivative Works, in at least one
-          of the following places: within a NOTICE text file distributed
-          as part of the Derivative Works; within the Source form or
-          documentation, if provided along with the Derivative Works; or,
-          within a display generated by the Derivative Works, if and
-          wherever such third-party notices normally appear. The contents
-          of the NOTICE file are for informational purposes only and
-          do not modify the License. You may add Your own attribution
-          notices within Derivative Works that You distribute, alongside
-          or as an addendum to the NOTICE text from the Work, provided
-          that such additional attribution notices cannot be construed
-          as modifying the License.
-
-      You may add Your own copyright statement to Your modifications and
-      may provide additional or different license terms and conditions
-      for use, reproduction, or distribution of Your modifications, or
-      for any such Derivative Works as a whole, provided Your use,
-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-      implied, including, without limitation, any warranties or conditions
-      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
-
-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
-
-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "{}"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright {yyyy} {name of copyright owner}
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-

vendor/github.com/coreos/go-oidc/MAINTAINERS

@@ -1,3 +0,0 @@
-Eric Chiang <ericchiang@google.com> (@ericchiang)
-Mike Danese <mikedanese@google.com> (@mikedanese)
-Rithu Leena John <rjohn@redhat.com> (@rithujohn191)

vendor/github.com/coreos/go-oidc/NOTICE

@@ -1,5 +0,0 @@
-CoreOS Project
-Copyright 2014 CoreOS, Inc
-
-This product includes software developed at CoreOS, Inc.
-(http://www.coreos.com/).

vendor/github.com/coreos/go-oidc/README.md

@@ -1,72 +0,0 @@
-# go-oidc
-
-[![GoDoc](https://godoc.org/github.com/coreos/go-oidc?status.svg)](https://godoc.org/github.com/coreos/go-oidc)
-[![Build Status](https://travis-ci.org/coreos/go-oidc.png?branch=master)](https://travis-ci.org/coreos/go-oidc)
-
-## OpenID Connect support for Go
-
-This package enables OpenID Connect support for the [golang.org/x/oauth2](https://godoc.org/golang.org/x/oauth2) package.
-
-```go
-provider, err := oidc.NewProvider(ctx, "https://accounts.google.com")
-if err != nil {
-    // handle error
-}
-
-// Configure an OpenID Connect aware OAuth2 client.
-oauth2Config := oauth2.Config{
-    ClientID:     clientID,
-    ClientSecret: clientSecret,
-    RedirectURL:  redirectURL,
-
-    // Discovery returns the OAuth2 endpoints.
-    Endpoint: provider.Endpoint(),
-
-    // "openid" is a required scope for OpenID Connect flows.
-    Scopes: []string{oidc.ScopeOpenID, "profile", "email"},
-}
-```
-
-OAuth2 redirects are unchanged.
-
-```go
-func handleRedirect(w http.ResponseWriter, r *http.Request) {
-    http.Redirect(w, r, oauth2Config.AuthCodeURL(state), http.StatusFound)
-}
-```
-
-The on responses, the provider can be used to verify ID Tokens.
-
-```go
-var verifier = provider.Verifier(&oidc.Config{ClientID: clientID})
-
-func handleOAuth2Callback(w http.ResponseWriter, r *http.Request) {
-    // Verify state and errors.
-
-    oauth2Token, err := oauth2Config.Exchange(ctx, r.URL.Query().Get("code"))
-    if err != nil {
-        // handle error
-    }
-
-    // Extract the ID Token from OAuth2 token.
-    rawIDToken, ok := oauth2Token.Extra("id_token").(string)
-    if !ok {
-        // handle missing token
-    }
-
-    // Parse and verify ID Token payload.
-    idToken, err := verifier.Verify(ctx, rawIDToken)
-    if err != nil {
-        // handle error
-    }
-
-    // Extract custom claims
-    var claims struct {
-        Email    string `json:"email"`
-        Verified bool   `json:"email_verified"`
-    }
-    if err := idToken.Claims(&claims); err != nil {
-        // handle error
-    }
-}
-```

vendor/github.com/coreos/go-oidc/code-of-conduct.md

@@ -1,61 +0,0 @@
-## CoreOS Community Code of Conduct
-
-### Contributor Code of Conduct
-
-As contributors and maintainers of this project, and in the interest of
-fostering an open and welcoming community, we pledge to respect all people who
-contribute through reporting issues, posting feature requests, updating
-documentation, submitting pull requests or patches, and other activities.
-
-We are committed to making participation in this project a harassment-free
-experience for everyone, regardless of level of experience, gender, gender
-identity and expression, sexual orientation, disability, personal appearance,
-body size, race, ethnicity, age, religion, or nationality.
-
-Examples of unacceptable behavior by participants include:
-
-* The use of sexualized language or imagery
-* Personal attacks
-* Trolling or insulting/derogatory comments
-* Public or private harassment
-* Publishing others' private information, such as physical or electronic addresses, without explicit permission
-* Other unethical or unprofessional conduct.
-
-Project maintainers have the right and responsibility to remove, edit, or
-reject comments, commits, code, wiki edits, issues, and other contributions
-that are not aligned to this Code of Conduct. By adopting this Code of Conduct,
-project maintainers commit themselves to fairly and consistently applying these
-principles to every aspect of managing this project. Project maintainers who do
-not follow or enforce the Code of Conduct may be permanently removed from the
-project team.
-
-This code of conduct applies both within project spaces and in public spaces
-when an individual is representing the project or its community.
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting a project maintainer, Brandon Philips
-<brandon.philips@coreos.com>, and/or Rithu John <rithu.john@coreos.com>.
-
-This Code of Conduct is adapted from the Contributor Covenant
-(http://contributor-covenant.org), version 1.2.0, available at
-http://contributor-covenant.org/version/1/2/0/
-
-### CoreOS Events Code of Conduct
-
-CoreOS events are working conferences intended for professional networking and
-collaboration in the CoreOS community. Attendees are expected to behave
-according to professional standards and in accordance with their employer’s
-policies on appropriate workplace behavior.
-
-While at CoreOS events or related social networking opportunities, attendees
-should not engage in discriminatory or offensive speech or actions including
-but not limited to gender, sexuality, race, age, disability, or religion.
-Speakers should be especially aware of these concerns.
-
-CoreOS does not condone any statements by speakers contrary to these standards.
-CoreOS reserves the right to deny entrance and/or eject from an event (without
-refund) any individual found to be engaging in discriminatory or offensive
-speech or actions.
-
-Please bring any concerns to the immediate attention of designated on-site
-staff, Brandon Philips <brandon.philips@coreos.com>, and/or Rithu John <rithu.john@coreos.com>.

vendor/github.com/coreos/go-oidc/jose.go

@@ -1,20 +0,0 @@
-// +build !golint
-
-// Don't lint this file. We don't want to have to add a comment to each constant.
-
-package oidc
-
-const (
-	// JOSE asymmetric signing algorithm values as defined by RFC 7518
-	//
-	// see: https://tools.ietf.org/html/rfc7518#section-3.1
-	RS256 = "RS256" // RSASSA-PKCS-v1.5 using SHA-256
-	RS384 = "RS384" // RSASSA-PKCS-v1.5 using SHA-384
-	RS512 = "RS512" // RSASSA-PKCS-v1.5 using SHA-512
-	ES256 = "ES256" // ECDSA using P-256 and SHA-256
-	ES384 = "ES384" // ECDSA using P-384 and SHA-384
-	ES512 = "ES512" // ECDSA using P-521 and SHA-512
-	PS256 = "PS256" // RSASSA-PSS using SHA256 and MGF1-SHA256
-	PS384 = "PS384" // RSASSA-PSS using SHA384 and MGF1-SHA384
-	PS512 = "PS512" // RSASSA-PSS using SHA512 and MGF1-SHA512
-)

vendor/github.com/coreos/go-oidc/jwks.go

@@ -1,228 +0,0 @@
-package oidc
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"sync"
-	"time"
-
-	"github.com/pquerna/cachecontrol"
-	jose "gopkg.in/square/go-jose.v2"
-)
-
-// keysExpiryDelta is the allowed clock skew between a client and the OpenID Connect
-// server.
-//
-// When keys expire, they are valid for this amount of time after.
-//
-// If the keys have not expired, and an ID Token claims it was signed by a key not in
-// the cache, if and only if the keys expire in this amount of time, the keys will be
-// updated.
-const keysExpiryDelta = 30 * time.Second
-
-// NewRemoteKeySet returns a KeySet that can validate JSON web tokens by using HTTP
-// GETs to fetch JSON web token sets hosted at a remote URL. This is automatically
-// used by NewProvider using the URLs returned by OpenID Connect discovery, but is
-// exposed for providers that don't support discovery or to prevent round trips to the
-// discovery URL.
-//
-// The returned KeySet is a long lived verifier that caches keys based on cache-control
-// headers. Reuse a common remote key set instead of creating new ones as needed.
-//
-// The behavior of the returned KeySet is undefined once the context is canceled.
-func NewRemoteKeySet(ctx context.Context, jwksURL string) KeySet {
-	return newRemoteKeySet(ctx, jwksURL, time.Now)
-}
-
-func newRemoteKeySet(ctx context.Context, jwksURL string, now func() time.Time) *remoteKeySet {
-	if now == nil {
-		now = time.Now
-	}
-	return &remoteKeySet{jwksURL: jwksURL, ctx: ctx, now: now}
-}
-
-type remoteKeySet struct {
-	jwksURL string
-	ctx     context.Context
-	now     func() time.Time
-
-	// guard all other fields
-	mu sync.Mutex
-
-	// inflight suppresses parallel execution of updateKeys and allows
-	// multiple goroutines to wait for its result.
-	inflight *inflight
-
-	// A set of cached keys and their expiry.
-	cachedKeys []jose.JSONWebKey
-	expiry     time.Time
-}
-
-// inflight is used to wait on some in-flight request from multiple goroutines.
-type inflight struct {
-	doneCh chan struct{}
-
-	keys []jose.JSONWebKey
-	err  error
-}
-
-func newInflight() *inflight {
-	return &inflight{doneCh: make(chan struct{})}
-}
-
-// wait returns a channel that multiple goroutines can receive on. Once it returns
-// a value, the inflight request is done and result() can be inspected.
-func (i *inflight) wait() <-chan struct{} {
-	return i.doneCh
-}
-
-// done can only be called by a single goroutine. It records the result of the
-// inflight request and signals other goroutines that the result is safe to
-// inspect.
-func (i *inflight) done(keys []jose.JSONWebKey, err error) {
-	i.keys = keys
-	i.err = err
-	close(i.doneCh)
-}
-
-// result cannot be called until the wait() channel has returned a value.
-func (i *inflight) result() ([]jose.JSONWebKey, error) {
-	return i.keys, i.err
-}
-
-func (r *remoteKeySet) VerifySignature(ctx context.Context, jwt string) ([]byte, error) {
-	jws, err := jose.ParseSigned(jwt)
-	if err != nil {
-		return nil, fmt.Errorf("oidc: malformed jwt: %v", err)
-	}
-	return r.verify(ctx, jws)
-}
-
-func (r *remoteKeySet) verify(ctx context.Context, jws *jose.JSONWebSignature) ([]byte, error) {
-	// We don't support JWTs signed with multiple signatures.
-	keyID := ""
-	for _, sig := range jws.Signatures {
-		keyID = sig.Header.KeyID
-		break
-	}
-
-	keys, expiry := r.keysFromCache()
-
-	// Don't check expiry yet. This optimizes for when the provider is unavailable.
-	for _, key := range keys {
-		if keyID == "" || key.KeyID == keyID {
-			if payload, err := jws.Verify(&key); err == nil {
-				return payload, nil
-			}
-		}
-	}
-
-	if !r.now().Add(keysExpiryDelta).After(expiry) {
-		// Keys haven't expired, don't refresh.
-		return nil, errors.New("failed to verify id token signature")
-	}
-
-	keys, err := r.keysFromRemote(ctx)
-	if err != nil {
-		return nil, fmt.Errorf("fetching keys %v", err)
-	}
-
-	for _, key := range keys {
-		if keyID == "" || key.KeyID == keyID {
-			if payload, err := jws.Verify(&key); err == nil {
-				return payload, nil
-			}
-		}
-	}
-	return nil, errors.New("failed to verify id token signature")
-}
-
-func (r *remoteKeySet) keysFromCache() (keys []jose.JSONWebKey, expiry time.Time) {
-	r.mu.Lock()
-	defer r.mu.Unlock()
-	return r.cachedKeys, r.expiry
-}
-
-// keysFromRemote syncs the key set from the remote set, records the values in the
-// cache, and returns the key set.
-func (r *remoteKeySet) keysFromRemote(ctx context.Context) ([]jose.JSONWebKey, error) {
-	// Need to lock to inspect the inflight request field.
-	r.mu.Lock()
-	// If there's not a current inflight request, create one.
-	if r.inflight == nil {
-		r.inflight = newInflight()
-
-		// This goroutine has exclusive ownership over the current inflight
-		// request. It releases the resource by nil'ing the inflight field
-		// once the goroutine is done.
-		go func() {
-			// Sync keys and finish inflight when that's done.
-			keys, expiry, err := r.updateKeys()
-
-			r.inflight.done(keys, err)
-
-			// Lock to update the keys and indicate that there is no longer an
-			// inflight request.
-			r.mu.Lock()
-			defer r.mu.Unlock()
-
-			if err == nil {
-				r.cachedKeys = keys
-				r.expiry = expiry
-			}
-
-			// Free inflight so a different request can run.
-			r.inflight = nil
-		}()
-	}
-	inflight := r.inflight
-	r.mu.Unlock()
-
-	select {
-	case <-ctx.Done():
-		return nil, ctx.Err()
-	case <-inflight.wait():
-		return inflight.result()
-	}
-}
-
-func (r *remoteKeySet) updateKeys() ([]jose.JSONWebKey, time.Time, error) {
-	req, err := http.NewRequest("GET", r.jwksURL, nil)
-	if err != nil {
-		return nil, time.Time{}, fmt.Errorf("oidc: can't create request: %v", err)
-	}
-
-	resp, err := doRequest(r.ctx, req)
-	if err != nil {
-		return nil, time.Time{}, fmt.Errorf("oidc: get keys failed %v", err)
-	}
-	defer resp.Body.Close()
-
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return nil, time.Time{}, fmt.Errorf("unable to read response body: %v", err)
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return nil, time.Time{}, fmt.Errorf("oidc: get keys failed: %s %s", resp.Status, body)
-	}
-
-	var keySet jose.JSONWebKeySet
-	err = unmarshalResp(resp, body, &keySet)
-	if err != nil {
-		return nil, time.Time{}, fmt.Errorf("oidc: failed to decode keys: %v %s", err, body)
-	}
-
-	// If the server doesn't provide cache control headers, assume the
-	// keys expire immediately.
-	expiry := r.now()
-
-	_, e, err := cachecontrol.CachableResponse(req, resp, cachecontrol.Options{})
-	if err == nil && e.After(expiry) {
-		expiry = e
-	}
-	return keySet.Keys, expiry, nil
-}

vendor/github.com/coreos/go-oidc/oidc.go

@@ -1,409 +0,0 @@
-// Package oidc implements OpenID Connect client logic for the golang.org/x/oauth2 package.
-package oidc
-
-import (
-	"context"
-	"crypto/sha256"
-	"crypto/sha512"
-	"encoding/base64"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"hash"
-	"io/ioutil"
-	"mime"
-	"net/http"
-	"strings"
-	"time"
-
-	"golang.org/x/oauth2"
-	jose "gopkg.in/square/go-jose.v2"
-)
-
-const (
-	// ScopeOpenID is the mandatory scope for all OpenID Connect OAuth2 requests.
-	ScopeOpenID = "openid"
-
-	// ScopeOfflineAccess is an optional scope defined by OpenID Connect for requesting
-	// OAuth2 refresh tokens.
-	//
-	// Support for this scope differs between OpenID Connect providers. For instance
-	// Google rejects it, favoring appending "access_type=offline" as part of the
-	// authorization request instead.
-	//
-	// See: https://openid.net/specs/openid-connect-core-1_0.html#OfflineAccess
-	ScopeOfflineAccess = "offline_access"
-)
-
-var (
-	errNoAtHash      = errors.New("id token did not have an access token hash")
-	errInvalidAtHash = errors.New("access token hash does not match value in ID token")
-)
-
-// ClientContext returns a new Context that carries the provided HTTP client.
-//
-// This method sets the same context key used by the golang.org/x/oauth2 package,
-// so the returned context works for that package too.
-//
-//    myClient := &http.Client{}
-//    ctx := oidc.ClientContext(parentContext, myClient)
-//
-//    // This will use the custom client
-//    provider, err := oidc.NewProvider(ctx, "https://accounts.example.com")
-//
-func ClientContext(ctx context.Context, client *http.Client) context.Context {
-	return context.WithValue(ctx, oauth2.HTTPClient, client)
-}
-
-func doRequest(ctx context.Context, req *http.Request) (*http.Response, error) {
-	client := http.DefaultClient
-	if c, ok := ctx.Value(oauth2.HTTPClient).(*http.Client); ok {
-		client = c
-	}
-	return client.Do(req.WithContext(ctx))
-}
-
-// Provider represents an OpenID Connect server's configuration.
-type Provider struct {
-	issuer      string
-	authURL     string
-	tokenURL    string
-	userInfoURL string
-	algorithms  []string
-
-	// Raw claims returned by the server.
-	rawClaims []byte
-
-	remoteKeySet KeySet
-}
-
-type cachedKeys struct {
-	keys   []jose.JSONWebKey
-	expiry time.Time
-}
-
-type providerJSON struct {
-	Issuer      string   `json:"issuer"`
-	AuthURL     string   `json:"authorization_endpoint"`
-	TokenURL    string   `json:"token_endpoint"`
-	JWKSURL     string   `json:"jwks_uri"`
-	UserInfoURL string   `json:"userinfo_endpoint"`
-	Algorithms  []string `json:"id_token_signing_alg_values_supported"`
-}
-
-// supportedAlgorithms is a list of algorithms explicitly supported by this
-// package. If a provider supports other algorithms, such as HS256 or none,
-// those values won't be passed to the IDTokenVerifier.
-var supportedAlgorithms = map[string]bool{
-	RS256: true,
-	RS384: true,
-	RS512: true,
-	ES256: true,
-	ES384: true,
-	ES512: true,
-	PS256: true,
-	PS384: true,
-	PS512: true,
-}
-
-// NewProvider uses the OpenID Connect discovery mechanism to construct a Provider.
-//
-// The issuer is the URL identifier for the service. For example: "https://accounts.google.com"
-// or "https://login.salesforce.com".
-func NewProvider(ctx context.Context, issuer string) (*Provider, error) {
-	wellKnown := strings.TrimSuffix(issuer, "/") + "/.well-known/openid-configuration"
-	req, err := http.NewRequest("GET", wellKnown, nil)
-	if err != nil {
-		return nil, err
-	}
-	resp, err := doRequest(ctx, req)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return nil, fmt.Errorf("unable to read response body: %v", err)
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("%s: %s", resp.Status, body)
-	}
-
-	var p providerJSON
-	err = unmarshalResp(resp, body, &p)
-	if err != nil {
-		return nil, fmt.Errorf("oidc: failed to decode provider discovery object: %v", err)
-	}
-
-	if p.Issuer != issuer {
-		return nil, fmt.Errorf("oidc: issuer did not match the issuer returned by provider, expected %q got %q", issuer, p.Issuer)
-	}
-	var algs []string
-	for _, a := range p.Algorithms {
-		if supportedAlgorithms[a] {
-			algs = append(algs, a)
-		}
-	}
-	return &Provider{
-		issuer:       p.Issuer,
-		authURL:      p.AuthURL,
-		tokenURL:     p.TokenURL,
-		userInfoURL:  p.UserInfoURL,
-		algorithms:   algs,
-		rawClaims:    body,
-		remoteKeySet: NewRemoteKeySet(ctx, p.JWKSURL),
-	}, nil
-}
-
-// Claims unmarshals raw fields returned by the server during discovery.
-//
-//    var claims struct {
-//        ScopesSupported []string `json:"scopes_supported"`
-//        ClaimsSupported []string `json:"claims_supported"`
-//    }
-//
-//    if err := provider.Claims(&claims); err != nil {
-//        // handle unmarshaling error
-//    }
-//
-// For a list of fields defined by the OpenID Connect spec see:
-// https://openid.net/specs/openid-connect-discovery-1_0.html#ProviderMetadata
-func (p *Provider) Claims(v interface{}) error {
-	if p.rawClaims == nil {
-		return errors.New("oidc: claims not set")
-	}
-	return json.Unmarshal(p.rawClaims, v)
-}
-
-// Endpoint returns the OAuth2 auth and token endpoints for the given provider.
-func (p *Provider) Endpoint() oauth2.Endpoint {
-	return oauth2.Endpoint{AuthURL: p.authURL, TokenURL: p.tokenURL}
-}
-
-// UserInfo represents the OpenID Connect userinfo claims.
-type UserInfo struct {
-	Subject       string `json:"sub"`
-	Profile       string `json:"profile"`
-	Email         string `json:"email"`
-	EmailVerified bool   `json:"email_verified"`
-
-	claims []byte
-}
-
-// Claims unmarshals the raw JSON object claims into the provided object.
-func (u *UserInfo) Claims(v interface{}) error {
-	if u.claims == nil {
-		return errors.New("oidc: claims not set")
-	}
-	return json.Unmarshal(u.claims, v)
-}
-
-// UserInfo uses the token source to query the provider's user info endpoint.
-func (p *Provider) UserInfo(ctx context.Context, tokenSource oauth2.TokenSource) (*UserInfo, error) {
-	if p.userInfoURL == "" {
-		return nil, errors.New("oidc: user info endpoint is not supported by this provider")
-	}
-
-	req, err := http.NewRequest("GET", p.userInfoURL, nil)
-	if err != nil {
-		return nil, fmt.Errorf("oidc: create GET request: %v", err)
-	}
-
-	token, err := tokenSource.Token()
-	if err != nil {
-		return nil, fmt.Errorf("oidc: get access token: %v", err)
-	}
-	token.SetAuthHeader(req)
-
-	resp, err := doRequest(ctx, req)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return nil, err
-	}
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("%s: %s", resp.Status, body)
-	}
-
-	var userInfo UserInfo
-	if err := json.Unmarshal(body, &userInfo); err != nil {
-		return nil, fmt.Errorf("oidc: failed to decode userinfo: %v", err)
-	}
-	userInfo.claims = body
-	return &userInfo, nil
-}
-
-// IDToken is an OpenID Connect extension that provides a predictable representation
-// of an authorization event.
-//
-// The ID Token only holds fields OpenID Connect requires. To access additional
-// claims returned by the server, use the Claims method.
-type IDToken struct {
-	// The URL of the server which issued this token. OpenID Connect
-	// requires this value always be identical to the URL used for
-	// initial discovery.
-	//
-	// Note: Because of a known issue with Google Accounts' implementation
-	// this value may differ when using Google.
-	//
-	// See: https://developers.google.com/identity/protocols/OpenIDConnect#obtainuserinfo
-	Issuer string
-
-	// The client ID, or set of client IDs, that this token is issued for. For
-	// common uses, this is the client that initialized the auth flow.
-	//
-	// This package ensures the audience contains an expected value.
-	Audience []string
-
-	// A unique string which identifies the end user.
-	Subject string
-
-	// Expiry of the token. Ths package will not process tokens that have
-	// expired unless that validation is explicitly turned off.
-	Expiry time.Time
-	// When the token was issued by the provider.
-	IssuedAt time.Time
-
-	// Initial nonce provided during the authentication redirect.
-	//
-	// This package does NOT provided verification on the value of this field
-	// and it's the user's responsibility to ensure it contains a valid value.
-	Nonce string
-
-	// at_hash claim, if set in the ID token. Callers can verify an access token
-	// that corresponds to the ID token using the VerifyAccessToken method.
-	AccessTokenHash string
-
-	// signature algorithm used for ID token, needed to compute a verification hash of an
-	// access token
-	sigAlgorithm string
-
-	// Raw payload of the id_token.
-	claims []byte
-
-	// Map of distributed claim names to claim sources
-	distributedClaims map[string]claimSource
-}
-
-// Claims unmarshals the raw JSON payload of the ID Token into a provided struct.
-//
-//		idToken, err := idTokenVerifier.Verify(rawIDToken)
-//		if err != nil {
-//			// handle error
-//		}
-//		var claims struct {
-//			Email         string `json:"email"`
-//			EmailVerified bool   `json:"email_verified"`
-//		}
-//		if err := idToken.Claims(&claims); err != nil {
-//			// handle error
-//		}
-//
-func (i *IDToken) Claims(v interface{}) error {
-	if i.claims == nil {
-		return errors.New("oidc: claims not set")
-	}
-	return json.Unmarshal(i.claims, v)
-}
-
-// VerifyAccessToken verifies that the hash of the access token that corresponds to the iD token
-// matches the hash in the id token. It returns an error if the hashes  don't match.
-// It is the caller's responsibility to ensure that the optional access token hash is present for the ID token
-// before calling this method. See https://openid.net/specs/openid-connect-core-1_0.html#CodeIDToken
-func (i *IDToken) VerifyAccessToken(accessToken string) error {
-	if i.AccessTokenHash == "" {
-		return errNoAtHash
-	}
-	var h hash.Hash
-	switch i.sigAlgorithm {
-	case RS256, ES256, PS256:
-		h = sha256.New()
-	case RS384, ES384, PS384:
-		h = sha512.New384()
-	case RS512, ES512, PS512:
-		h = sha512.New()
-	default:
-		return fmt.Errorf("oidc: unsupported signing algorithm %q", i.sigAlgorithm)
-	}
-	h.Write([]byte(accessToken)) // hash documents that Write will never return an error
-	sum := h.Sum(nil)[:h.Size()/2]
-	actual := base64.RawURLEncoding.EncodeToString(sum)
-	if actual != i.AccessTokenHash {
-		return errInvalidAtHash
-	}
-	return nil
-}
-
-type idToken struct {
-	Issuer       string                 `json:"iss"`
-	Subject      string                 `json:"sub"`
-	Audience     audience               `json:"aud"`
-	Expiry       jsonTime               `json:"exp"`
-	IssuedAt     jsonTime               `json:"iat"`
-	NotBefore    *jsonTime              `json:"nbf"`
-	Nonce        string                 `json:"nonce"`
-	AtHash       string                 `json:"at_hash"`
-	ClaimNames   map[string]string      `json:"_claim_names"`
-	ClaimSources map[string]claimSource `json:"_claim_sources"`
-}
-
-type claimSource struct {
-	Endpoint    string `json:"endpoint"`
-	AccessToken string `json:"access_token"`
-}
-
-type audience []string
-
-func (a *audience) UnmarshalJSON(b []byte) error {
-	var s string
-	if json.Unmarshal(b, &s) == nil {
-		*a = audience{s}
-		return nil
-	}
-	var auds []string
-	if err := json.Unmarshal(b, &auds); err != nil {
-		return err
-	}
-	*a = audience(auds)
-	return nil
-}
-
-type jsonTime time.Time
-
-func (j *jsonTime) UnmarshalJSON(b []byte) error {
-	var n json.Number
-	if err := json.Unmarshal(b, &n); err != nil {
-		return err
-	}
-	var unix int64
-
-	if t, err := n.Int64(); err == nil {
-		unix = t
-	} else {
-		f, err := n.Float64()
-		if err != nil {
-			return err
-		}
-		unix = int64(f)
-	}
-	*j = jsonTime(time.Unix(unix, 0))
-	return nil
-}
-
-func unmarshalResp(r *http.Response, body []byte, v interface{}) error {
-	err := json.Unmarshal(body, &v)
-	if err == nil {
-		return nil
-	}
-	ct := r.Header.Get("Content-Type")
-	mediaType, _, parseErr := mime.ParseMediaType(ct)
-	if parseErr == nil && mediaType == "application/json" {
-		return fmt.Errorf("got Content-Type = application/json, but could not unmarshal as JSON: %v", err)
-	}
-	return fmt.Errorf("expected Content-Type = application/json, got %q: %v", ct, err)
-}

vendor/github.com/coreos/go-oidc/test

@@ -1,16 +0,0 @@
-#!/bin/bash
-
-set -e
-
-# Filter out any files with a !golint build tag.
-LINTABLE=$( go list -tags=golint -f '
-  {{- range $i, $file := .GoFiles -}}
-    {{ $file }} {{ end }}
-  {{ range $i, $file := .TestGoFiles -}}
-    {{ $file }} {{ end }}' github.com/coreos/go-oidc )
-
-go test -v -i -race github.com/coreos/go-oidc/...
-go test -v -race github.com/coreos/go-oidc/...
-golint -set_exit_status $LINTABLE
-go vet github.com/coreos/go-oidc/...
-go build -v ./example/...

vendor/github.com/coreos/go-oidc/verify.go

@@ -1,336 +0,0 @@
-package oidc
-
-import (
-	"bytes"
-	"context"
-	"encoding/base64"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"strings"
-	"time"
-
-	"golang.org/x/oauth2"
-	jose "gopkg.in/square/go-jose.v2"
-)
-
-const (
-	issuerGoogleAccounts         = "https://accounts.google.com"
-	issuerGoogleAccountsNoScheme = "accounts.google.com"
-)
-
-// KeySet is a set of publc JSON Web Keys that can be used to validate the signature
-// of JSON web tokens. This is expected to be backed by a remote key set through
-// provider metadata discovery or an in-memory set of keys delivered out-of-band.
-type KeySet interface {
-	// VerifySignature parses the JSON web token, verifies the signature, and returns
-	// the raw payload. Header and claim fields are validated by other parts of the
-	// package. For example, the KeySet does not need to check values such as signature
-	// algorithm, issuer, and audience since the IDTokenVerifier validates these values
-	// independently.
-	//
-	// If VerifySignature makes HTTP requests to verify the token, it's expected to
-	// use any HTTP client associated with the context through ClientContext.
-	VerifySignature(ctx context.Context, jwt string) (payload []byte, err error)
-}
-
-// IDTokenVerifier provides verification for ID Tokens.
-type IDTokenVerifier struct {
-	keySet KeySet
-	config *Config
-	issuer string
-}
-
-// NewVerifier returns a verifier manually constructed from a key set and issuer URL.
-//
-// It's easier to use provider discovery to construct an IDTokenVerifier than creating
-// one directly. This method is intended to be used with provider that don't support
-// metadata discovery, or avoiding round trips when the key set URL is already known.
-//
-// This constructor can be used to create a verifier directly using the issuer URL and
-// JSON Web Key Set URL without using discovery:
-//
-//		keySet := oidc.NewRemoteKeySet(ctx, "https://www.googleapis.com/oauth2/v3/certs")
-//		verifier := oidc.NewVerifier("https://accounts.google.com", keySet, config)
-//
-// Since KeySet is an interface, this constructor can also be used to supply custom
-// public key sources. For example, if a user wanted to supply public keys out-of-band
-// and hold them statically in-memory:
-//
-//		// Custom KeySet implementation.
-//		keySet := newStatisKeySet(publicKeys...)
-//
-//		// Verifier uses the custom KeySet implementation.
-//		verifier := oidc.NewVerifier("https://auth.example.com", keySet, config)
-//
-func NewVerifier(issuerURL string, keySet KeySet, config *Config) *IDTokenVerifier {
-	return &IDTokenVerifier{keySet: keySet, config: config, issuer: issuerURL}
-}
-
-// Config is the configuration for an IDTokenVerifier.
-type Config struct {
-	// Expected audience of the token. For a majority of the cases this is expected to be
-	// the ID of the client that initialized the login flow. It may occasionally differ if
-	// the provider supports the authorizing party (azp) claim.
-	//
-	// If not provided, users must explicitly set SkipClientIDCheck.
-	ClientID string
-	// If specified, only this set of algorithms may be used to sign the JWT.
-	//
-	// If the IDTokenVerifier is created from a provider with (*Provider).Verifier, this
-	// defaults to the set of algorithms the provider supports. Otherwise this values
-	// defaults to RS256.
-	SupportedSigningAlgs []string
-
-	// If true, no ClientID check performed. Must be true if ClientID field is empty.
-	SkipClientIDCheck bool
-	// If true, token expiry is not checked.
-	SkipExpiryCheck bool
-
-	// SkipIssuerCheck is intended for specialized cases where the the caller wishes to
-	// defer issuer validation. When enabled, callers MUST independently verify the Token's
-	// Issuer is a known good value.
-	//
-	// Mismatched issuers often indicate client mis-configuration. If mismatches are
-	// unexpected, evaluate if the provided issuer URL is incorrect instead of enabling
-	// this option.
-	SkipIssuerCheck bool
-
-	// Time function to check Token expiry. Defaults to time.Now
-	Now func() time.Time
-}
-
-// Verifier returns an IDTokenVerifier that uses the provider's key set to verify JWTs.
-//
-// The returned IDTokenVerifier is tied to the Provider's context and its behavior is
-// undefined once the Provider's context is canceled.
-func (p *Provider) Verifier(config *Config) *IDTokenVerifier {
-	if len(config.SupportedSigningAlgs) == 0 && len(p.algorithms) > 0 {
-		// Make a copy so we don't modify the config values.
-		cp := &Config{}
-		*cp = *config
-		cp.SupportedSigningAlgs = p.algorithms
-		config = cp
-	}
-	return NewVerifier(p.issuer, p.remoteKeySet, config)
-}
-
-func parseJWT(p string) ([]byte, error) {
-	parts := strings.Split(p, ".")
-	if len(parts) < 2 {
-		return nil, fmt.Errorf("oidc: malformed jwt, expected 3 parts got %d", len(parts))
-	}
-	payload, err := base64.RawURLEncoding.DecodeString(parts[1])
-	if err != nil {
-		return nil, fmt.Errorf("oidc: malformed jwt payload: %v", err)
-	}
-	return payload, nil
-}
-
-func contains(sli []string, ele string) bool {
-	for _, s := range sli {
-		if s == ele {
-			return true
-		}
-	}
-	return false
-}
-
-// Returns the Claims from the distributed JWT token
-func resolveDistributedClaim(ctx context.Context, verifier *IDTokenVerifier, src claimSource) ([]byte, error) {
-	req, err := http.NewRequest("GET", src.Endpoint, nil)
-	if err != nil {
-		return nil, fmt.Errorf("malformed request: %v", err)
-	}
-	if src.AccessToken != "" {
-		req.Header.Set("Authorization", "Bearer "+src.AccessToken)
-	}
-
-	resp, err := doRequest(ctx, req)
-	if err != nil {
-		return nil, fmt.Errorf("oidc: Request to endpoint failed: %v", err)
-	}
-	defer resp.Body.Close()
-
-	body, err := ioutil.ReadAll(resp.Body)
-	if err != nil {
-		return nil, fmt.Errorf("unable to read response body: %v", err)
-	}
-
-	if resp.StatusCode != http.StatusOK {
-		return nil, fmt.Errorf("oidc: request failed: %v", resp.StatusCode)
-	}
-
-	token, err := verifier.Verify(ctx, string(body))
-	if err != nil {
-		return nil, fmt.Errorf("malformed response body: %v", err)
-	}
-
-	return token.claims, nil
-}
-
-func parseClaim(raw []byte, name string, v interface{}) error {
-	var parsed map[string]json.RawMessage
-	if err := json.Unmarshal(raw, &parsed); err != nil {
-		return err
-	}
-
-	val, ok := parsed[name]
-	if !ok {
-		return fmt.Errorf("claim doesn't exist: %s", name)
-	}
-
-	return json.Unmarshal([]byte(val), v)
-}
-
-// Verify parses a raw ID Token, verifies it's been signed by the provider, preforms
-// any additional checks depending on the Config, and returns the payload.
-//
-// Verify does NOT do nonce validation, which is the callers responsibility.
-//
-// See: https://openid.net/specs/openid-connect-core-1_0.html#IDTokenValidation
-//
-//    oauth2Token, err := oauth2Config.Exchange(ctx, r.URL.Query().Get("code"))
-//    if err != nil {
-//        // handle error
-//    }
-//
-//    // Extract the ID Token from oauth2 token.
-//    rawIDToken, ok := oauth2Token.Extra("id_token").(string)
-//    if !ok {
-//        // handle error
-//    }
-//
-//    token, err := verifier.Verify(ctx, rawIDToken)
-//
-func (v *IDTokenVerifier) Verify(ctx context.Context, rawIDToken string) (*IDToken, error) {
-	jws, err := jose.ParseSigned(rawIDToken)
-	if err != nil {
-		return nil, fmt.Errorf("oidc: malformed jwt: %v", err)
-	}
-
-	// Throw out tokens with invalid claims before trying to verify the token. This lets
-	// us do cheap checks before possibly re-syncing keys.
-	payload, err := parseJWT(rawIDToken)
-	if err != nil {
-		return nil, fmt.Errorf("oidc: malformed jwt: %v", err)
-	}
-	var token idToken
-	if err := json.Unmarshal(payload, &token); err != nil {
-		return nil, fmt.Errorf("oidc: failed to unmarshal claims: %v", err)
-	}
-
-	distributedClaims := make(map[string]claimSource)
-
-	//step through the token to map claim names to claim sources"
-	for cn, src := range token.ClaimNames {
-		if src == "" {
-			return nil, fmt.Errorf("oidc: failed to obtain source from claim name")
-		}
-		s, ok := token.ClaimSources[src]
-		if !ok {
-			return nil, fmt.Errorf("oidc: source does not exist")
-		}
-		distributedClaims[cn] = s
-	}
-
-	t := &IDToken{
-		Issuer:            token.Issuer,
-		Subject:           token.Subject,
-		Audience:          []string(token.Audience),
-		Expiry:            time.Time(token.Expiry),
-		IssuedAt:          time.Time(token.IssuedAt),
-		Nonce:             token.Nonce,
-		AccessTokenHash:   token.AtHash,
-		claims:            payload,
-		distributedClaims: distributedClaims,
-	}
-
-	// Check issuer.
-	if !v.config.SkipIssuerCheck && t.Issuer != v.issuer {
-		// Google sometimes returns "accounts.google.com" as the issuer claim instead of
-		// the required "https://accounts.google.com". Detect this case and allow it only
-		// for Google.
-		//
-		// We will not add hooks to let other providers go off spec like this.
-		if !(v.issuer == issuerGoogleAccounts && t.Issuer == issuerGoogleAccountsNoScheme) {
-			return nil, fmt.Errorf("oidc: id token issued by a different provider, expected %q got %q", v.issuer, t.Issuer)
-		}
-	}
-
-	// If a client ID has been provided, make sure it's part of the audience. SkipClientIDCheck must be true if ClientID is empty.
-	//
-	// This check DOES NOT ensure that the ClientID is the party to which the ID Token was issued (i.e. Authorized party).
-	if !v.config.SkipClientIDCheck {
-		if v.config.ClientID != "" {
-			if !contains(t.Audience, v.config.ClientID) {
-				return nil, fmt.Errorf("oidc: expected audience %q got %q", v.config.ClientID, t.Audience)
-			}
-		} else {
-			return nil, fmt.Errorf("oidc: invalid configuration, clientID must be provided or SkipClientIDCheck must be set")
-		}
-	}
-
-	// If a SkipExpiryCheck is false, make sure token is not expired.
-	if !v.config.SkipExpiryCheck {
-		now := time.Now
-		if v.config.Now != nil {
-			now = v.config.Now
-		}
-		nowTime := now()
-
-		if t.Expiry.Before(nowTime) {
-			return nil, fmt.Errorf("oidc: token is expired (Token Expiry: %v)", t.Expiry)
-		}
-
-		// If nbf claim is provided in token, ensure that it is indeed in the past.
-		if token.NotBefore != nil {
-			nbfTime := time.Time(*token.NotBefore)
-			leeway := 1 * time.Minute
-
-			if nowTime.Add(leeway).Before(nbfTime) {
-				return nil, fmt.Errorf("oidc: current time %v before the nbf (not before) time: %v", nowTime, nbfTime)
-			}
-		}
-	}
-
-	switch len(jws.Signatures) {
-	case 0:
-		return nil, fmt.Errorf("oidc: id token not signed")
-	case 1:
-	default:
-		return nil, fmt.Errorf("oidc: multiple signatures on id token not supported")
-	}
-
-	sig := jws.Signatures[0]
-	supportedSigAlgs := v.config.SupportedSigningAlgs
-	if len(supportedSigAlgs) == 0 {
-		supportedSigAlgs = []string{RS256}
-	}
-
-	if !contains(supportedSigAlgs, sig.Header.Algorithm) {
-		return nil, fmt.Errorf("oidc: id token signed with unsupported algorithm, expected %q got %q", supportedSigAlgs, sig.Header.Algorithm)
-	}
-
-	t.sigAlgorithm = sig.Header.Algorithm
-
-	gotPayload, err := v.keySet.VerifySignature(ctx, rawIDToken)
-	if err != nil {
-		return nil, fmt.Errorf("failed to verify signature: %v", err)
-	}
-
-	// Ensure that the payload returned by the square actually matches the payload parsed earlier.
-	if !bytes.Equal(gotPayload, payload) {
-		return nil, errors.New("oidc: internal error, payload parsed did not match previous payload")
-	}
-
-	return t, nil
-}
-
-// Nonce returns an auth code option which requires the ID Token created by the
-// OpenID Connect provider to contain the specified nonce.
-func Nonce(nonce string) oauth2.AuthCodeOption {
-	return oauth2.SetAuthURLParam("nonce", nonce)
-}

vendor/github.com/golang/protobuf/AUTHORS

@@ -1,3 +0,0 @@
-# This source code refers to The Go Authors for copyright purposes.
-# The master list of authors is in the main Go distribution,
-# visible at http://tip.golang.org/AUTHORS.

vendor/github.com/golang/protobuf/CONTRIBUTORS

@@ -1,3 +0,0 @@
-# This source code was written by the Go contributors.
-# The master list of contributors is in the main Go distribution,
-# visible at http://tip.golang.org/CONTRIBUTORS.

vendor/github.com/golang/protobuf/LICENSE

@@ -1,28 +0,0 @@
-Copyright 2010 The Go Authors.  All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-    * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-    * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-

vendor/github.com/golang/protobuf/proto/clone.go

@@ -1,253 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2011 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Protocol buffer deep copy and merge.
-// TODO: RawMessage.
-
-package proto
-
-import (
-	"fmt"
-	"log"
-	"reflect"
-	"strings"
-)
-
-// Clone returns a deep copy of a protocol buffer.
-func Clone(src Message) Message {
-	in := reflect.ValueOf(src)
-	if in.IsNil() {
-		return src
-	}
-	out := reflect.New(in.Type().Elem())
-	dst := out.Interface().(Message)
-	Merge(dst, src)
-	return dst
-}
-
-// Merger is the interface representing objects that can merge messages of the same type.
-type Merger interface {
-	// Merge merges src into this message.
-	// Required and optional fields that are set in src will be set to that value in dst.
-	// Elements of repeated fields will be appended.
-	//
-	// Merge may panic if called with a different argument type than the receiver.
-	Merge(src Message)
-}
-
-// generatedMerger is the custom merge method that generated protos will have.
-// We must add this method since a generate Merge method will conflict with
-// many existing protos that have a Merge data field already defined.
-type generatedMerger interface {
-	XXX_Merge(src Message)
-}
-
-// Merge merges src into dst.
-// Required and optional fields that are set in src will be set to that value in dst.
-// Elements of repeated fields will be appended.
-// Merge panics if src and dst are not the same type, or if dst is nil.
-func Merge(dst, src Message) {
-	if m, ok := dst.(Merger); ok {
-		m.Merge(src)
-		return
-	}
-
-	in := reflect.ValueOf(src)
-	out := reflect.ValueOf(dst)
-	if out.IsNil() {
-		panic("proto: nil destination")
-	}
-	if in.Type() != out.Type() {
-		panic(fmt.Sprintf("proto.Merge(%T, %T) type mismatch", dst, src))
-	}
-	if in.IsNil() {
-		return // Merge from nil src is a noop
-	}
-	if m, ok := dst.(generatedMerger); ok {
-		m.XXX_Merge(src)
-		return
-	}
-	mergeStruct(out.Elem(), in.Elem())
-}
-
-func mergeStruct(out, in reflect.Value) {
-	sprop := GetProperties(in.Type())
-	for i := 0; i < in.NumField(); i++ {
-		f := in.Type().Field(i)
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-		mergeAny(out.Field(i), in.Field(i), false, sprop.Prop[i])
-	}
-
-	if emIn, err := extendable(in.Addr().Interface()); err == nil {
-		emOut, _ := extendable(out.Addr().Interface())
-		mIn, muIn := emIn.extensionsRead()
-		if mIn != nil {
-			mOut := emOut.extensionsWrite()
-			muIn.Lock()
-			mergeExtension(mOut, mIn)
-			muIn.Unlock()
-		}
-	}
-
-	uf := in.FieldByName("XXX_unrecognized")
-	if !uf.IsValid() {
-		return
-	}
-	uin := uf.Bytes()
-	if len(uin) > 0 {
-		out.FieldByName("XXX_unrecognized").SetBytes(append([]byte(nil), uin...))
-	}
-}
-
-// mergeAny performs a merge between two values of the same type.
-// viaPtr indicates whether the values were indirected through a pointer (implying proto2).
-// prop is set if this is a struct field (it may be nil).
-func mergeAny(out, in reflect.Value, viaPtr bool, prop *Properties) {
-	if in.Type() == protoMessageType {
-		if !in.IsNil() {
-			if out.IsNil() {
-				out.Set(reflect.ValueOf(Clone(in.Interface().(Message))))
-			} else {
-				Merge(out.Interface().(Message), in.Interface().(Message))
-			}
-		}
-		return
-	}
-	switch in.Kind() {
-	case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
-		reflect.String, reflect.Uint32, reflect.Uint64:
-		if !viaPtr && isProto3Zero(in) {
-			return
-		}
-		out.Set(in)
-	case reflect.Interface:
-		// Probably a oneof field; copy non-nil values.
-		if in.IsNil() {
-			return
-		}
-		// Allocate destination if it is not set, or set to a different type.
-		// Otherwise we will merge as normal.
-		if out.IsNil() || out.Elem().Type() != in.Elem().Type() {
-			out.Set(reflect.New(in.Elem().Elem().Type())) // interface -> *T -> T -> new(T)
-		}
-		mergeAny(out.Elem(), in.Elem(), false, nil)
-	case reflect.Map:
-		if in.Len() == 0 {
-			return
-		}
-		if out.IsNil() {
-			out.Set(reflect.MakeMap(in.Type()))
-		}
-		// For maps with value types of *T or []byte we need to deep copy each value.
-		elemKind := in.Type().Elem().Kind()
-		for _, key := range in.MapKeys() {
-			var val reflect.Value
-			switch elemKind {
-			case reflect.Ptr:
-				val = reflect.New(in.Type().Elem().Elem())
-				mergeAny(val, in.MapIndex(key), false, nil)
-			case reflect.Slice:
-				val = in.MapIndex(key)
-				val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
-			default:
-				val = in.MapIndex(key)
-			}
-			out.SetMapIndex(key, val)
-		}
-	case reflect.Ptr:
-		if in.IsNil() {
-			return
-		}
-		if out.IsNil() {
-			out.Set(reflect.New(in.Elem().Type()))
-		}
-		mergeAny(out.Elem(), in.Elem(), true, nil)
-	case reflect.Slice:
-		if in.IsNil() {
-			return
-		}
-		if in.Type().Elem().Kind() == reflect.Uint8 {
-			// []byte is a scalar bytes field, not a repeated field.
-
-			// Edge case: if this is in a proto3 message, a zero length
-			// bytes field is considered the zero value, and should not
-			// be merged.
-			if prop != nil && prop.proto3 && in.Len() == 0 {
-				return
-			}
-
-			// Make a deep copy.
-			// Append to []byte{} instead of []byte(nil) so that we never end up
-			// with a nil result.
-			out.SetBytes(append([]byte{}, in.Bytes()...))
-			return
-		}
-		n := in.Len()
-		if out.IsNil() {
-			out.Set(reflect.MakeSlice(in.Type(), 0, n))
-		}
-		switch in.Type().Elem().Kind() {
-		case reflect.Bool, reflect.Float32, reflect.Float64, reflect.Int32, reflect.Int64,
-			reflect.String, reflect.Uint32, reflect.Uint64:
-			out.Set(reflect.AppendSlice(out, in))
-		default:
-			for i := 0; i < n; i++ {
-				x := reflect.Indirect(reflect.New(in.Type().Elem()))
-				mergeAny(x, in.Index(i), false, nil)
-				out.Set(reflect.Append(out, x))
-			}
-		}
-	case reflect.Struct:
-		mergeStruct(out, in)
-	default:
-		// unknown type, so not a protocol buffer
-		log.Printf("proto: don't know how to copy %v", in)
-	}
-}
-
-func mergeExtension(out, in map[int32]Extension) {
-	for extNum, eIn := range in {
-		eOut := Extension{desc: eIn.desc}
-		if eIn.value != nil {
-			v := reflect.New(reflect.TypeOf(eIn.value)).Elem()
-			mergeAny(v, reflect.ValueOf(eIn.value), false, nil)
-			eOut.value = v.Interface()
-		}
-		if eIn.enc != nil {
-			eOut.enc = make([]byte, len(eIn.enc))
-			copy(eOut.enc, eIn.enc)
-		}
-
-		out[extNum] = eOut
-	}
-}

vendor/github.com/golang/protobuf/proto/decode.go

@@ -1,428 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-/*
- * Routines for decoding protocol buffer data to construct in-memory representations.
- */
-
-import (
-	"errors"
-	"fmt"
-	"io"
-)
-
-// errOverflow is returned when an integer is too large to be represented.
-var errOverflow = errors.New("proto: integer overflow")
-
-// ErrInternalBadWireType is returned by generated code when an incorrect
-// wire type is encountered. It does not get returned to user code.
-var ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
-
-// DecodeVarint reads a varint-encoded integer from the slice.
-// It returns the integer and the number of bytes consumed, or
-// zero if there is not enough.
-// This is the format for the
-// int32, int64, uint32, uint64, bool, and enum
-// protocol buffer types.
-func DecodeVarint(buf []byte) (x uint64, n int) {
-	for shift := uint(0); shift < 64; shift += 7 {
-		if n >= len(buf) {
-			return 0, 0
-		}
-		b := uint64(buf[n])
-		n++
-		x |= (b & 0x7F) << shift
-		if (b & 0x80) == 0 {
-			return x, n
-		}
-	}
-
-	// The number is too large to represent in a 64-bit value.
-	return 0, 0
-}
-
-func (p *Buffer) decodeVarintSlow() (x uint64, err error) {
-	i := p.index
-	l := len(p.buf)
-
-	for shift := uint(0); shift < 64; shift += 7 {
-		if i >= l {
-			err = io.ErrUnexpectedEOF
-			return
-		}
-		b := p.buf[i]
-		i++
-		x |= (uint64(b) & 0x7F) << shift
-		if b < 0x80 {
-			p.index = i
-			return
-		}
-	}
-
-	// The number is too large to represent in a 64-bit value.
-	err = errOverflow
-	return
-}
-
-// DecodeVarint reads a varint-encoded integer from the Buffer.
-// This is the format for the
-// int32, int64, uint32, uint64, bool, and enum
-// protocol buffer types.
-func (p *Buffer) DecodeVarint() (x uint64, err error) {
-	i := p.index
-	buf := p.buf
-
-	if i >= len(buf) {
-		return 0, io.ErrUnexpectedEOF
-	} else if buf[i] < 0x80 {
-		p.index++
-		return uint64(buf[i]), nil
-	} else if len(buf)-i < 10 {
-		return p.decodeVarintSlow()
-	}
-
-	var b uint64
-	// we already checked the first byte
-	x = uint64(buf[i]) - 0x80
-	i++
-
-	b = uint64(buf[i])
-	i++
-	x += b << 7
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 7
-
-	b = uint64(buf[i])
-	i++
-	x += b << 14
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 14
-
-	b = uint64(buf[i])
-	i++
-	x += b << 21
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 21
-
-	b = uint64(buf[i])
-	i++
-	x += b << 28
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 28
-
-	b = uint64(buf[i])
-	i++
-	x += b << 35
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 35
-
-	b = uint64(buf[i])
-	i++
-	x += b << 42
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 42
-
-	b = uint64(buf[i])
-	i++
-	x += b << 49
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 49
-
-	b = uint64(buf[i])
-	i++
-	x += b << 56
-	if b&0x80 == 0 {
-		goto done
-	}
-	x -= 0x80 << 56
-
-	b = uint64(buf[i])
-	i++
-	x += b << 63
-	if b&0x80 == 0 {
-		goto done
-	}
-	// x -= 0x80 << 63 // Always zero.
-
-	return 0, errOverflow
-
-done:
-	p.index = i
-	return x, nil
-}
-
-// DecodeFixed64 reads a 64-bit integer from the Buffer.
-// This is the format for the
-// fixed64, sfixed64, and double protocol buffer types.
-func (p *Buffer) DecodeFixed64() (x uint64, err error) {
-	// x, err already 0
-	i := p.index + 8
-	if i < 0 || i > len(p.buf) {
-		err = io.ErrUnexpectedEOF
-		return
-	}
-	p.index = i
-
-	x = uint64(p.buf[i-8])
-	x |= uint64(p.buf[i-7]) << 8
-	x |= uint64(p.buf[i-6]) << 16
-	x |= uint64(p.buf[i-5]) << 24
-	x |= uint64(p.buf[i-4]) << 32
-	x |= uint64(p.buf[i-3]) << 40
-	x |= uint64(p.buf[i-2]) << 48
-	x |= uint64(p.buf[i-1]) << 56
-	return
-}
-
-// DecodeFixed32 reads a 32-bit integer from the Buffer.
-// This is the format for the
-// fixed32, sfixed32, and float protocol buffer types.
-func (p *Buffer) DecodeFixed32() (x uint64, err error) {
-	// x, err already 0
-	i := p.index + 4
-	if i < 0 || i > len(p.buf) {
-		err = io.ErrUnexpectedEOF
-		return
-	}
-	p.index = i
-
-	x = uint64(p.buf[i-4])
-	x |= uint64(p.buf[i-3]) << 8
-	x |= uint64(p.buf[i-2]) << 16
-	x |= uint64(p.buf[i-1]) << 24
-	return
-}
-
-// DecodeZigzag64 reads a zigzag-encoded 64-bit integer
-// from the Buffer.
-// This is the format used for the sint64 protocol buffer type.
-func (p *Buffer) DecodeZigzag64() (x uint64, err error) {
-	x, err = p.DecodeVarint()
-	if err != nil {
-		return
-	}
-	x = (x >> 1) ^ uint64((int64(x&1)<<63)>>63)
-	return
-}
-
-// DecodeZigzag32 reads a zigzag-encoded 32-bit integer
-// from  the Buffer.
-// This is the format used for the sint32 protocol buffer type.
-func (p *Buffer) DecodeZigzag32() (x uint64, err error) {
-	x, err = p.DecodeVarint()
-	if err != nil {
-		return
-	}
-	x = uint64((uint32(x) >> 1) ^ uint32((int32(x&1)<<31)>>31))
-	return
-}
-
-// DecodeRawBytes reads a count-delimited byte buffer from the Buffer.
-// This is the format used for the bytes protocol buffer
-// type and for embedded messages.
-func (p *Buffer) DecodeRawBytes(alloc bool) (buf []byte, err error) {
-	n, err := p.DecodeVarint()
-	if err != nil {
-		return nil, err
-	}
-
-	nb := int(n)
-	if nb < 0 {
-		return nil, fmt.Errorf("proto: bad byte length %d", nb)
-	}
-	end := p.index + nb
-	if end < p.index || end > len(p.buf) {
-		return nil, io.ErrUnexpectedEOF
-	}
-
-	if !alloc {
-		// todo: check if can get more uses of alloc=false
-		buf = p.buf[p.index:end]
-		p.index += nb
-		return
-	}
-
-	buf = make([]byte, nb)
-	copy(buf, p.buf[p.index:])
-	p.index += nb
-	return
-}
-
-// DecodeStringBytes reads an encoded string from the Buffer.
-// This is the format used for the proto2 string type.
-func (p *Buffer) DecodeStringBytes() (s string, err error) {
-	buf, err := p.DecodeRawBytes(false)
-	if err != nil {
-		return
-	}
-	return string(buf), nil
-}
-
-// Unmarshaler is the interface representing objects that can
-// unmarshal themselves.  The argument points to data that may be
-// overwritten, so implementations should not keep references to the
-// buffer.
-// Unmarshal implementations should not clear the receiver.
-// Any unmarshaled data should be merged into the receiver.
-// Callers of Unmarshal that do not want to retain existing data
-// should Reset the receiver before calling Unmarshal.
-type Unmarshaler interface {
-	Unmarshal([]byte) error
-}
-
-// newUnmarshaler is the interface representing objects that can
-// unmarshal themselves. The semantics are identical to Unmarshaler.
-//
-// This exists to support protoc-gen-go generated messages.
-// The proto package will stop type-asserting to this interface in the future.
-//
-// DO NOT DEPEND ON THIS.
-type newUnmarshaler interface {
-	XXX_Unmarshal([]byte) error
-}
-
-// Unmarshal parses the protocol buffer representation in buf and places the
-// decoded result in pb.  If the struct underlying pb does not match
-// the data in buf, the results can be unpredictable.
-//
-// Unmarshal resets pb before starting to unmarshal, so any
-// existing data in pb is always removed. Use UnmarshalMerge
-// to preserve and append to existing data.
-func Unmarshal(buf []byte, pb Message) error {
-	pb.Reset()
-	if u, ok := pb.(newUnmarshaler); ok {
-		return u.XXX_Unmarshal(buf)
-	}
-	if u, ok := pb.(Unmarshaler); ok {
-		return u.Unmarshal(buf)
-	}
-	return NewBuffer(buf).Unmarshal(pb)
-}
-
-// UnmarshalMerge parses the protocol buffer representation in buf and
-// writes the decoded result to pb.  If the struct underlying pb does not match
-// the data in buf, the results can be unpredictable.
-//
-// UnmarshalMerge merges into existing data in pb.
-// Most code should use Unmarshal instead.
-func UnmarshalMerge(buf []byte, pb Message) error {
-	if u, ok := pb.(newUnmarshaler); ok {
-		return u.XXX_Unmarshal(buf)
-	}
-	if u, ok := pb.(Unmarshaler); ok {
-		// NOTE: The history of proto have unfortunately been inconsistent
-		// whether Unmarshaler should or should not implicitly clear itself.
-		// Some implementations do, most do not.
-		// Thus, calling this here may or may not do what people want.
-		//
-		// See https://github.com/golang/protobuf/issues/424
-		return u.Unmarshal(buf)
-	}
-	return NewBuffer(buf).Unmarshal(pb)
-}
-
-// DecodeMessage reads a count-delimited message from the Buffer.
-func (p *Buffer) DecodeMessage(pb Message) error {
-	enc, err := p.DecodeRawBytes(false)
-	if err != nil {
-		return err
-	}
-	return NewBuffer(enc).Unmarshal(pb)
-}
-
-// DecodeGroup reads a tag-delimited group from the Buffer.
-// StartGroup tag is already consumed. This function consumes
-// EndGroup tag.
-func (p *Buffer) DecodeGroup(pb Message) error {
-	b := p.buf[p.index:]
-	x, y := findEndGroup(b)
-	if x < 0 {
-		return io.ErrUnexpectedEOF
-	}
-	err := Unmarshal(b[:x], pb)
-	p.index += y
-	return err
-}
-
-// Unmarshal parses the protocol buffer representation in the
-// Buffer and places the decoded result in pb.  If the struct
-// underlying pb does not match the data in the buffer, the results can be
-// unpredictable.
-//
-// Unlike proto.Unmarshal, this does not reset pb before starting to unmarshal.
-func (p *Buffer) Unmarshal(pb Message) error {
-	// If the object can unmarshal itself, let it.
-	if u, ok := pb.(newUnmarshaler); ok {
-		err := u.XXX_Unmarshal(p.buf[p.index:])
-		p.index = len(p.buf)
-		return err
-	}
-	if u, ok := pb.(Unmarshaler); ok {
-		// NOTE: The history of proto have unfortunately been inconsistent
-		// whether Unmarshaler should or should not implicitly clear itself.
-		// Some implementations do, most do not.
-		// Thus, calling this here may or may not do what people want.
-		//
-		// See https://github.com/golang/protobuf/issues/424
-		err := u.Unmarshal(p.buf[p.index:])
-		p.index = len(p.buf)
-		return err
-	}
-
-	// Slow workaround for messages that aren't Unmarshalers.
-	// This includes some hand-coded .pb.go files and
-	// bootstrap protos.
-	// TODO: fix all of those and then add Unmarshal to
-	// the Message interface. Then:
-	// The cast above and code below can be deleted.
-	// The old unmarshaler can be deleted.
-	// Clients can call Unmarshal directly (can already do that, actually).
-	var info InternalMessageInfo
-	err := info.Unmarshal(pb, p.buf[p.index:])
-	p.index = len(p.buf)
-	return err
-}

vendor/github.com/golang/protobuf/proto/discard.go

@@ -1,350 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2017 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-import (
-	"fmt"
-	"reflect"
-	"strings"
-	"sync"
-	"sync/atomic"
-)
-
-type generatedDiscarder interface {
-	XXX_DiscardUnknown()
-}
-
-// DiscardUnknown recursively discards all unknown fields from this message
-// and all embedded messages.
-//
-// When unmarshaling a message with unrecognized fields, the tags and values
-// of such fields are preserved in the Message. This allows a later call to
-// marshal to be able to produce a message that continues to have those
-// unrecognized fields. To avoid this, DiscardUnknown is used to
-// explicitly clear the unknown fields after unmarshaling.
-//
-// For proto2 messages, the unknown fields of message extensions are only
-// discarded from messages that have been accessed via GetExtension.
-func DiscardUnknown(m Message) {
-	if m, ok := m.(generatedDiscarder); ok {
-		m.XXX_DiscardUnknown()
-		return
-	}
-	// TODO: Dynamically populate a InternalMessageInfo for legacy messages,
-	// but the master branch has no implementation for InternalMessageInfo,
-	// so it would be more work to replicate that approach.
-	discardLegacy(m)
-}
-
-// DiscardUnknown recursively discards all unknown fields.
-func (a *InternalMessageInfo) DiscardUnknown(m Message) {
-	di := atomicLoadDiscardInfo(&a.discard)
-	if di == nil {
-		di = getDiscardInfo(reflect.TypeOf(m).Elem())
-		atomicStoreDiscardInfo(&a.discard, di)
-	}
-	di.discard(toPointer(&m))
-}
-
-type discardInfo struct {
-	typ reflect.Type
-
-	initialized int32 // 0: only typ is valid, 1: everything is valid
-	lock        sync.Mutex
-
-	fields       []discardFieldInfo
-	unrecognized field
-}
-
-type discardFieldInfo struct {
-	field   field // Offset of field, guaranteed to be valid
-	discard func(src pointer)
-}
-
-var (
-	discardInfoMap  = map[reflect.Type]*discardInfo{}
-	discardInfoLock sync.Mutex
-)
-
-func getDiscardInfo(t reflect.Type) *discardInfo {
-	discardInfoLock.Lock()
-	defer discardInfoLock.Unlock()
-	di := discardInfoMap[t]
-	if di == nil {
-		di = &discardInfo{typ: t}
-		discardInfoMap[t] = di
-	}
-	return di
-}
-
-func (di *discardInfo) discard(src pointer) {
-	if src.isNil() {
-		return // Nothing to do.
-	}
-
-	if atomic.LoadInt32(&di.initialized) == 0 {
-		di.computeDiscardInfo()
-	}
-
-	for _, fi := range di.fields {
-		sfp := src.offset(fi.field)
-		fi.discard(sfp)
-	}
-
-	// For proto2 messages, only discard unknown fields in message extensions
-	// that have been accessed via GetExtension.
-	if em, err := extendable(src.asPointerTo(di.typ).Interface()); err == nil {
-		// Ignore lock since DiscardUnknown is not concurrency safe.
-		emm, _ := em.extensionsRead()
-		for _, mx := range emm {
-			if m, ok := mx.value.(Message); ok {
-				DiscardUnknown(m)
-			}
-		}
-	}
-
-	if di.unrecognized.IsValid() {
-		*src.offset(di.unrecognized).toBytes() = nil
-	}
-}
-
-func (di *discardInfo) computeDiscardInfo() {
-	di.lock.Lock()
-	defer di.lock.Unlock()
-	if di.initialized != 0 {
-		return
-	}
-	t := di.typ
-	n := t.NumField()
-
-	for i := 0; i < n; i++ {
-		f := t.Field(i)
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-
-		dfi := discardFieldInfo{field: toField(&f)}
-		tf := f.Type
-
-		// Unwrap tf to get its most basic type.
-		var isPointer, isSlice bool
-		if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
-			isSlice = true
-			tf = tf.Elem()
-		}
-		if tf.Kind() == reflect.Ptr {
-			isPointer = true
-			tf = tf.Elem()
-		}
-		if isPointer && isSlice && tf.Kind() != reflect.Struct {
-			panic(fmt.Sprintf("%v.%s cannot be a slice of pointers to primitive types", t, f.Name))
-		}
-
-		switch tf.Kind() {
-		case reflect.Struct:
-			switch {
-			case !isPointer:
-				panic(fmt.Sprintf("%v.%s cannot be a direct struct value", t, f.Name))
-			case isSlice: // E.g., []*pb.T
-				di := getDiscardInfo(tf)
-				dfi.discard = func(src pointer) {
-					sps := src.getPointerSlice()
-					for _, sp := range sps {
-						if !sp.isNil() {
-							di.discard(sp)
-						}
-					}
-				}
-			default: // E.g., *pb.T
-				di := getDiscardInfo(tf)
-				dfi.discard = func(src pointer) {
-					sp := src.getPointer()
-					if !sp.isNil() {
-						di.discard(sp)
-					}
-				}
-			}
-		case reflect.Map:
-			switch {
-			case isPointer || isSlice:
-				panic(fmt.Sprintf("%v.%s cannot be a pointer to a map or a slice of map values", t, f.Name))
-			default: // E.g., map[K]V
-				if tf.Elem().Kind() == reflect.Ptr { // Proto struct (e.g., *T)
-					dfi.discard = func(src pointer) {
-						sm := src.asPointerTo(tf).Elem()
-						if sm.Len() == 0 {
-							return
-						}
-						for _, key := range sm.MapKeys() {
-							val := sm.MapIndex(key)
-							DiscardUnknown(val.Interface().(Message))
-						}
-					}
-				} else {
-					dfi.discard = func(pointer) {} // Noop
-				}
-			}
-		case reflect.Interface:
-			// Must be oneof field.
-			switch {
-			case isPointer || isSlice:
-				panic(fmt.Sprintf("%v.%s cannot be a pointer to a interface or a slice of interface values", t, f.Name))
-			default: // E.g., interface{}
-				// TODO: Make this faster?
-				dfi.discard = func(src pointer) {
-					su := src.asPointerTo(tf).Elem()
-					if !su.IsNil() {
-						sv := su.Elem().Elem().Field(0)
-						if sv.Kind() == reflect.Ptr && sv.IsNil() {
-							return
-						}
-						switch sv.Type().Kind() {
-						case reflect.Ptr: // Proto struct (e.g., *T)
-							DiscardUnknown(sv.Interface().(Message))
-						}
-					}
-				}
-			}
-		default:
-			continue
-		}
-		di.fields = append(di.fields, dfi)
-	}
-
-	di.unrecognized = invalidField
-	if f, ok := t.FieldByName("XXX_unrecognized"); ok {
-		if f.Type != reflect.TypeOf([]byte{}) {
-			panic("expected XXX_unrecognized to be of type []byte")
-		}
-		di.unrecognized = toField(&f)
-	}
-
-	atomic.StoreInt32(&di.initialized, 1)
-}
-
-func discardLegacy(m Message) {
-	v := reflect.ValueOf(m)
-	if v.Kind() != reflect.Ptr || v.IsNil() {
-		return
-	}
-	v = v.Elem()
-	if v.Kind() != reflect.Struct {
-		return
-	}
-	t := v.Type()
-
-	for i := 0; i < v.NumField(); i++ {
-		f := t.Field(i)
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-		vf := v.Field(i)
-		tf := f.Type
-
-		// Unwrap tf to get its most basic type.
-		var isPointer, isSlice bool
-		if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
-			isSlice = true
-			tf = tf.Elem()
-		}
-		if tf.Kind() == reflect.Ptr {
-			isPointer = true
-			tf = tf.Elem()
-		}
-		if isPointer && isSlice && tf.Kind() != reflect.Struct {
-			panic(fmt.Sprintf("%T.%s cannot be a slice of pointers to primitive types", m, f.Name))
-		}
-
-		switch tf.Kind() {
-		case reflect.Struct:
-			switch {
-			case !isPointer:
-				panic(fmt.Sprintf("%T.%s cannot be a direct struct value", m, f.Name))
-			case isSlice: // E.g., []*pb.T
-				for j := 0; j < vf.Len(); j++ {
-					discardLegacy(vf.Index(j).Interface().(Message))
-				}
-			default: // E.g., *pb.T
-				discardLegacy(vf.Interface().(Message))
-			}
-		case reflect.Map:
-			switch {
-			case isPointer || isSlice:
-				panic(fmt.Sprintf("%T.%s cannot be a pointer to a map or a slice of map values", m, f.Name))
-			default: // E.g., map[K]V
-				tv := vf.Type().Elem()
-				if tv.Kind() == reflect.Ptr && tv.Implements(protoMessageType) { // Proto struct (e.g., *T)
-					for _, key := range vf.MapKeys() {
-						val := vf.MapIndex(key)
-						discardLegacy(val.Interface().(Message))
-					}
-				}
-			}
-		case reflect.Interface:
-			// Must be oneof field.
-			switch {
-			case isPointer || isSlice:
-				panic(fmt.Sprintf("%T.%s cannot be a pointer to a interface or a slice of interface values", m, f.Name))
-			default: // E.g., test_proto.isCommunique_Union interface
-				if !vf.IsNil() && f.Tag.Get("protobuf_oneof") != "" {
-					vf = vf.Elem() // E.g., *test_proto.Communique_Msg
-					if !vf.IsNil() {
-						vf = vf.Elem()   // E.g., test_proto.Communique_Msg
-						vf = vf.Field(0) // E.g., Proto struct (e.g., *T) or primitive value
-						if vf.Kind() == reflect.Ptr {
-							discardLegacy(vf.Interface().(Message))
-						}
-					}
-				}
-			}
-		}
-	}
-
-	if vf := v.FieldByName("XXX_unrecognized"); vf.IsValid() {
-		if vf.Type() != reflect.TypeOf([]byte{}) {
-			panic("expected XXX_unrecognized to be of type []byte")
-		}
-		vf.Set(reflect.ValueOf([]byte(nil)))
-	}
-
-	// For proto2 messages, only discard unknown fields in message extensions
-	// that have been accessed via GetExtension.
-	if em, err := extendable(m); err == nil {
-		// Ignore lock since discardLegacy is not concurrency safe.
-		emm, _ := em.extensionsRead()
-		for _, mx := range emm {
-			if m, ok := mx.value.(Message); ok {
-				discardLegacy(m)
-			}
-		}
-	}
-}

vendor/github.com/golang/protobuf/proto/encode.go

@@ -1,203 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-/*
- * Routines for encoding data into the wire format for protocol buffers.
- */
-
-import (
-	"errors"
-	"reflect"
-)
-
-var (
-	// errRepeatedHasNil is the error returned if Marshal is called with
-	// a struct with a repeated field containing a nil element.
-	errRepeatedHasNil = errors.New("proto: repeated field has nil element")
-
-	// errOneofHasNil is the error returned if Marshal is called with
-	// a struct with a oneof field containing a nil element.
-	errOneofHasNil = errors.New("proto: oneof field has nil value")
-
-	// ErrNil is the error returned if Marshal is called with nil.
-	ErrNil = errors.New("proto: Marshal called with nil")
-
-	// ErrTooLarge is the error returned if Marshal is called with a
-	// message that encodes to >2GB.
-	ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
-)
-
-// The fundamental encoders that put bytes on the wire.
-// Those that take integer types all accept uint64 and are
-// therefore of type valueEncoder.
-
-const maxVarintBytes = 10 // maximum length of a varint
-
-// EncodeVarint returns the varint encoding of x.
-// This is the format for the
-// int32, int64, uint32, uint64, bool, and enum
-// protocol buffer types.
-// Not used by the package itself, but helpful to clients
-// wishing to use the same encoding.
-func EncodeVarint(x uint64) []byte {
-	var buf [maxVarintBytes]byte
-	var n int
-	for n = 0; x > 127; n++ {
-		buf[n] = 0x80 | uint8(x&0x7F)
-		x >>= 7
-	}
-	buf[n] = uint8(x)
-	n++
-	return buf[0:n]
-}
-
-// EncodeVarint writes a varint-encoded integer to the Buffer.
-// This is the format for the
-// int32, int64, uint32, uint64, bool, and enum
-// protocol buffer types.
-func (p *Buffer) EncodeVarint(x uint64) error {
-	for x >= 1<<7 {
-		p.buf = append(p.buf, uint8(x&0x7f|0x80))
-		x >>= 7
-	}
-	p.buf = append(p.buf, uint8(x))
-	return nil
-}
-
-// SizeVarint returns the varint encoding size of an integer.
-func SizeVarint(x uint64) int {
-	switch {
-	case x < 1<<7:
-		return 1
-	case x < 1<<14:
-		return 2
-	case x < 1<<21:
-		return 3
-	case x < 1<<28:
-		return 4
-	case x < 1<<35:
-		return 5
-	case x < 1<<42:
-		return 6
-	case x < 1<<49:
-		return 7
-	case x < 1<<56:
-		return 8
-	case x < 1<<63:
-		return 9
-	}
-	return 10
-}
-
-// EncodeFixed64 writes a 64-bit integer to the Buffer.
-// This is the format for the
-// fixed64, sfixed64, and double protocol buffer types.
-func (p *Buffer) EncodeFixed64(x uint64) error {
-	p.buf = append(p.buf,
-		uint8(x),
-		uint8(x>>8),
-		uint8(x>>16),
-		uint8(x>>24),
-		uint8(x>>32),
-		uint8(x>>40),
-		uint8(x>>48),
-		uint8(x>>56))
-	return nil
-}
-
-// EncodeFixed32 writes a 32-bit integer to the Buffer.
-// This is the format for the
-// fixed32, sfixed32, and float protocol buffer types.
-func (p *Buffer) EncodeFixed32(x uint64) error {
-	p.buf = append(p.buf,
-		uint8(x),
-		uint8(x>>8),
-		uint8(x>>16),
-		uint8(x>>24))
-	return nil
-}
-
-// EncodeZigzag64 writes a zigzag-encoded 64-bit integer
-// to the Buffer.
-// This is the format used for the sint64 protocol buffer type.
-func (p *Buffer) EncodeZigzag64(x uint64) error {
-	// use signed number to get arithmetic right shift.
-	return p.EncodeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63))))
-}
-
-// EncodeZigzag32 writes a zigzag-encoded 32-bit integer
-// to the Buffer.
-// This is the format used for the sint32 protocol buffer type.
-func (p *Buffer) EncodeZigzag32(x uint64) error {
-	// use signed number to get arithmetic right shift.
-	return p.EncodeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31))))
-}
-
-// EncodeRawBytes writes a count-delimited byte buffer to the Buffer.
-// This is the format used for the bytes protocol buffer
-// type and for embedded messages.
-func (p *Buffer) EncodeRawBytes(b []byte) error {
-	p.EncodeVarint(uint64(len(b)))
-	p.buf = append(p.buf, b...)
-	return nil
-}
-
-// EncodeStringBytes writes an encoded string to the Buffer.
-// This is the format used for the proto2 string type.
-func (p *Buffer) EncodeStringBytes(s string) error {
-	p.EncodeVarint(uint64(len(s)))
-	p.buf = append(p.buf, s...)
-	return nil
-}
-
-// Marshaler is the interface representing objects that can marshal themselves.
-type Marshaler interface {
-	Marshal() ([]byte, error)
-}
-
-// EncodeMessage writes the protocol buffer to the Buffer,
-// prefixed by a varint-encoded length.
-func (p *Buffer) EncodeMessage(pb Message) error {
-	siz := Size(pb)
-	p.EncodeVarint(uint64(siz))
-	return p.Marshal(pb)
-}
-
-// All protocol buffer fields are nillable, but be careful.
-func isNil(v reflect.Value) bool {
-	switch v.Kind() {
-	case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
-		return v.IsNil()
-	}
-	return false
-}

vendor/github.com/golang/protobuf/proto/equal.go

@@ -1,300 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2011 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// Protocol buffer comparison.
-
-package proto
-
-import (
-	"bytes"
-	"log"
-	"reflect"
-	"strings"
-)
-
-/*
-Equal returns true iff protocol buffers a and b are equal.
-The arguments must both be pointers to protocol buffer structs.
-
-Equality is defined in this way:
-  - Two messages are equal iff they are the same type,
-    corresponding fields are equal, unknown field sets
-    are equal, and extensions sets are equal.
-  - Two set scalar fields are equal iff their values are equal.
-    If the fields are of a floating-point type, remember that
-    NaN != x for all x, including NaN. If the message is defined
-    in a proto3 .proto file, fields are not "set"; specifically,
-    zero length proto3 "bytes" fields are equal (nil == {}).
-  - Two repeated fields are equal iff their lengths are the same,
-    and their corresponding elements are equal. Note a "bytes" field,
-    although represented by []byte, is not a repeated field and the
-    rule for the scalar fields described above applies.
-  - Two unset fields are equal.
-  - Two unknown field sets are equal if their current
-    encoded state is equal.
-  - Two extension sets are equal iff they have corresponding
-    elements that are pairwise equal.
-  - Two map fields are equal iff their lengths are the same,
-    and they contain the same set of elements. Zero-length map
-    fields are equal.
-  - Every other combination of things are not equal.
-
-The return value is undefined if a and b are not protocol buffers.
-*/
-func Equal(a, b Message) bool {
-	if a == nil || b == nil {
-		return a == b
-	}
-	v1, v2 := reflect.ValueOf(a), reflect.ValueOf(b)
-	if v1.Type() != v2.Type() {
-		return false
-	}
-	if v1.Kind() == reflect.Ptr {
-		if v1.IsNil() {
-			return v2.IsNil()
-		}
-		if v2.IsNil() {
-			return false
-		}
-		v1, v2 = v1.Elem(), v2.Elem()
-	}
-	if v1.Kind() != reflect.Struct {
-		return false
-	}
-	return equalStruct(v1, v2)
-}
-
-// v1 and v2 are known to have the same type.
-func equalStruct(v1, v2 reflect.Value) bool {
-	sprop := GetProperties(v1.Type())
-	for i := 0; i < v1.NumField(); i++ {
-		f := v1.Type().Field(i)
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-		f1, f2 := v1.Field(i), v2.Field(i)
-		if f.Type.Kind() == reflect.Ptr {
-			if n1, n2 := f1.IsNil(), f2.IsNil(); n1 && n2 {
-				// both unset
-				continue
-			} else if n1 != n2 {
-				// set/unset mismatch
-				return false
-			}
-			f1, f2 = f1.Elem(), f2.Elem()
-		}
-		if !equalAny(f1, f2, sprop.Prop[i]) {
-			return false
-		}
-	}
-
-	if em1 := v1.FieldByName("XXX_InternalExtensions"); em1.IsValid() {
-		em2 := v2.FieldByName("XXX_InternalExtensions")
-		if !equalExtensions(v1.Type(), em1.Interface().(XXX_InternalExtensions), em2.Interface().(XXX_InternalExtensions)) {
-			return false
-		}
-	}
-
-	if em1 := v1.FieldByName("XXX_extensions"); em1.IsValid() {
-		em2 := v2.FieldByName("XXX_extensions")
-		if !equalExtMap(v1.Type(), em1.Interface().(map[int32]Extension), em2.Interface().(map[int32]Extension)) {
-			return false
-		}
-	}
-
-	uf := v1.FieldByName("XXX_unrecognized")
-	if !uf.IsValid() {
-		return true
-	}
-
-	u1 := uf.Bytes()
-	u2 := v2.FieldByName("XXX_unrecognized").Bytes()
-	return bytes.Equal(u1, u2)
-}
-
-// v1 and v2 are known to have the same type.
-// prop may be nil.
-func equalAny(v1, v2 reflect.Value, prop *Properties) bool {
-	if v1.Type() == protoMessageType {
-		m1, _ := v1.Interface().(Message)
-		m2, _ := v2.Interface().(Message)
-		return Equal(m1, m2)
-	}
-	switch v1.Kind() {
-	case reflect.Bool:
-		return v1.Bool() == v2.Bool()
-	case reflect.Float32, reflect.Float64:
-		return v1.Float() == v2.Float()
-	case reflect.Int32, reflect.Int64:
-		return v1.Int() == v2.Int()
-	case reflect.Interface:
-		// Probably a oneof field; compare the inner values.
-		n1, n2 := v1.IsNil(), v2.IsNil()
-		if n1 || n2 {
-			return n1 == n2
-		}
-		e1, e2 := v1.Elem(), v2.Elem()
-		if e1.Type() != e2.Type() {
-			return false
-		}
-		return equalAny(e1, e2, nil)
-	case reflect.Map:
-		if v1.Len() != v2.Len() {
-			return false
-		}
-		for _, key := range v1.MapKeys() {
-			val2 := v2.MapIndex(key)
-			if !val2.IsValid() {
-				// This key was not found in the second map.
-				return false
-			}
-			if !equalAny(v1.MapIndex(key), val2, nil) {
-				return false
-			}
-		}
-		return true
-	case reflect.Ptr:
-		// Maps may have nil values in them, so check for nil.
-		if v1.IsNil() && v2.IsNil() {
-			return true
-		}
-		if v1.IsNil() != v2.IsNil() {
-			return false
-		}
-		return equalAny(v1.Elem(), v2.Elem(), prop)
-	case reflect.Slice:
-		if v1.Type().Elem().Kind() == reflect.Uint8 {
-			// short circuit: []byte
-
-			// Edge case: if this is in a proto3 message, a zero length
-			// bytes field is considered the zero value.
-			if prop != nil && prop.proto3 && v1.Len() == 0 && v2.Len() == 0 {
-				return true
-			}
-			if v1.IsNil() != v2.IsNil() {
-				return false
-			}
-			return bytes.Equal(v1.Interface().([]byte), v2.Interface().([]byte))
-		}
-
-		if v1.Len() != v2.Len() {
-			return false
-		}
-		for i := 0; i < v1.Len(); i++ {
-			if !equalAny(v1.Index(i), v2.Index(i), prop) {
-				return false
-			}
-		}
-		return true
-	case reflect.String:
-		return v1.Interface().(string) == v2.Interface().(string)
-	case reflect.Struct:
-		return equalStruct(v1, v2)
-	case reflect.Uint32, reflect.Uint64:
-		return v1.Uint() == v2.Uint()
-	}
-
-	// unknown type, so not a protocol buffer
-	log.Printf("proto: don't know how to compare %v", v1)
-	return false
-}
-
-// base is the struct type that the extensions are based on.
-// x1 and x2 are InternalExtensions.
-func equalExtensions(base reflect.Type, x1, x2 XXX_InternalExtensions) bool {
-	em1, _ := x1.extensionsRead()
-	em2, _ := x2.extensionsRead()
-	return equalExtMap(base, em1, em2)
-}
-
-func equalExtMap(base reflect.Type, em1, em2 map[int32]Extension) bool {
-	if len(em1) != len(em2) {
-		return false
-	}
-
-	for extNum, e1 := range em1 {
-		e2, ok := em2[extNum]
-		if !ok {
-			return false
-		}
-
-		m1, m2 := e1.value, e2.value
-
-		if m1 == nil && m2 == nil {
-			// Both have only encoded form.
-			if bytes.Equal(e1.enc, e2.enc) {
-				continue
-			}
-			// The bytes are different, but the extensions might still be
-			// equal. We need to decode them to compare.
-		}
-
-		if m1 != nil && m2 != nil {
-			// Both are unencoded.
-			if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
-				return false
-			}
-			continue
-		}
-
-		// At least one is encoded. To do a semantically correct comparison
-		// we need to unmarshal them first.
-		var desc *ExtensionDesc
-		if m := extensionMaps[base]; m != nil {
-			desc = m[extNum]
-		}
-		if desc == nil {
-			// If both have only encoded form and the bytes are the same,
-			// it is handled above. We get here when the bytes are different.
-			// We don't know how to decode it, so just compare them as byte
-			// slices.
-			log.Printf("proto: don't know how to compare extension %d of %v", extNum, base)
-			return false
-		}
-		var err error
-		if m1 == nil {
-			m1, err = decodeExtension(e1.enc, desc)
-		}
-		if m2 == nil && err == nil {
-			m2, err = decodeExtension(e2.enc, desc)
-		}
-		if err != nil {
-			// The encoded form is invalid.
-			log.Printf("proto: badly encoded extension %d of %v: %v", extNum, base, err)
-			return false
-		}
-		if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
-			return false
-		}
-	}
-
-	return true
-}

vendor/github.com/golang/protobuf/proto/extensions.go

@@ -1,543 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-/*
- * Types and routines for supporting protocol buffer extensions.
- */
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"reflect"
-	"strconv"
-	"sync"
-)
-
-// ErrMissingExtension is the error returned by GetExtension if the named extension is not in the message.
-var ErrMissingExtension = errors.New("proto: missing extension")
-
-// ExtensionRange represents a range of message extensions for a protocol buffer.
-// Used in code generated by the protocol compiler.
-type ExtensionRange struct {
-	Start, End int32 // both inclusive
-}
-
-// extendableProto is an interface implemented by any protocol buffer generated by the current
-// proto compiler that may be extended.
-type extendableProto interface {
-	Message
-	ExtensionRangeArray() []ExtensionRange
-	extensionsWrite() map[int32]Extension
-	extensionsRead() (map[int32]Extension, sync.Locker)
-}
-
-// extendableProtoV1 is an interface implemented by a protocol buffer generated by the previous
-// version of the proto compiler that may be extended.
-type extendableProtoV1 interface {
-	Message
-	ExtensionRangeArray() []ExtensionRange
-	ExtensionMap() map[int32]Extension
-}
-
-// extensionAdapter is a wrapper around extendableProtoV1 that implements extendableProto.
-type extensionAdapter struct {
-	extendableProtoV1
-}
-
-func (e extensionAdapter) extensionsWrite() map[int32]Extension {
-	return e.ExtensionMap()
-}
-
-func (e extensionAdapter) extensionsRead() (map[int32]Extension, sync.Locker) {
-	return e.ExtensionMap(), notLocker{}
-}
-
-// notLocker is a sync.Locker whose Lock and Unlock methods are nops.
-type notLocker struct{}
-
-func (n notLocker) Lock()   {}
-func (n notLocker) Unlock() {}
-
-// extendable returns the extendableProto interface for the given generated proto message.
-// If the proto message has the old extension format, it returns a wrapper that implements
-// the extendableProto interface.
-func extendable(p interface{}) (extendableProto, error) {
-	switch p := p.(type) {
-	case extendableProto:
-		if isNilPtr(p) {
-			return nil, fmt.Errorf("proto: nil %T is not extendable", p)
-		}
-		return p, nil
-	case extendableProtoV1:
-		if isNilPtr(p) {
-			return nil, fmt.Errorf("proto: nil %T is not extendable", p)
-		}
-		return extensionAdapter{p}, nil
-	}
-	// Don't allocate a specific error containing %T:
-	// this is the hot path for Clone and MarshalText.
-	return nil, errNotExtendable
-}
-
-var errNotExtendable = errors.New("proto: not an extendable proto.Message")
-
-func isNilPtr(x interface{}) bool {
-	v := reflect.ValueOf(x)
-	return v.Kind() == reflect.Ptr && v.IsNil()
-}
-
-// XXX_InternalExtensions is an internal representation of proto extensions.
-//
-// Each generated message struct type embeds an anonymous XXX_InternalExtensions field,
-// thus gaining the unexported 'extensions' method, which can be called only from the proto package.
-//
-// The methods of XXX_InternalExtensions are not concurrency safe in general,
-// but calls to logically read-only methods such as has and get may be executed concurrently.
-type XXX_InternalExtensions struct {
-	// The struct must be indirect so that if a user inadvertently copies a
-	// generated message and its embedded XXX_InternalExtensions, they
-	// avoid the mayhem of a copied mutex.
-	//
-	// The mutex serializes all logically read-only operations to p.extensionMap.
-	// It is up to the client to ensure that write operations to p.extensionMap are
-	// mutually exclusive with other accesses.
-	p *struct {
-		mu           sync.Mutex
-		extensionMap map[int32]Extension
-	}
-}
-
-// extensionsWrite returns the extension map, creating it on first use.
-func (e *XXX_InternalExtensions) extensionsWrite() map[int32]Extension {
-	if e.p == nil {
-		e.p = new(struct {
-			mu           sync.Mutex
-			extensionMap map[int32]Extension
-		})
-		e.p.extensionMap = make(map[int32]Extension)
-	}
-	return e.p.extensionMap
-}
-
-// extensionsRead returns the extensions map for read-only use.  It may be nil.
-// The caller must hold the returned mutex's lock when accessing Elements within the map.
-func (e *XXX_InternalExtensions) extensionsRead() (map[int32]Extension, sync.Locker) {
-	if e.p == nil {
-		return nil, nil
-	}
-	return e.p.extensionMap, &e.p.mu
-}
-
-// ExtensionDesc represents an extension specification.
-// Used in generated code from the protocol compiler.
-type ExtensionDesc struct {
-	ExtendedType  Message     // nil pointer to the type that is being extended
-	ExtensionType interface{} // nil pointer to the extension type
-	Field         int32       // field number
-	Name          string      // fully-qualified name of extension, for text formatting
-	Tag           string      // protobuf tag style
-	Filename      string      // name of the file in which the extension is defined
-}
-
-func (ed *ExtensionDesc) repeated() bool {
-	t := reflect.TypeOf(ed.ExtensionType)
-	return t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8
-}
-
-// Extension represents an extension in a message.
-type Extension struct {
-	// When an extension is stored in a message using SetExtension
-	// only desc and value are set. When the message is marshaled
-	// enc will be set to the encoded form of the message.
-	//
-	// When a message is unmarshaled and contains extensions, each
-	// extension will have only enc set. When such an extension is
-	// accessed using GetExtension (or GetExtensions) desc and value
-	// will be set.
-	desc  *ExtensionDesc
-	value interface{}
-	enc   []byte
-}
-
-// SetRawExtension is for testing only.
-func SetRawExtension(base Message, id int32, b []byte) {
-	epb, err := extendable(base)
-	if err != nil {
-		return
-	}
-	extmap := epb.extensionsWrite()
-	extmap[id] = Extension{enc: b}
-}
-
-// isExtensionField returns true iff the given field number is in an extension range.
-func isExtensionField(pb extendableProto, field int32) bool {
-	for _, er := range pb.ExtensionRangeArray() {
-		if er.Start <= field && field <= er.End {
-			return true
-		}
-	}
-	return false
-}
-
-// checkExtensionTypes checks that the given extension is valid for pb.
-func checkExtensionTypes(pb extendableProto, extension *ExtensionDesc) error {
-	var pbi interface{} = pb
-	// Check the extended type.
-	if ea, ok := pbi.(extensionAdapter); ok {
-		pbi = ea.extendableProtoV1
-	}
-	if a, b := reflect.TypeOf(pbi), reflect.TypeOf(extension.ExtendedType); a != b {
-		return fmt.Errorf("proto: bad extended type; %v does not extend %v", b, a)
-	}
-	// Check the range.
-	if !isExtensionField(pb, extension.Field) {
-		return errors.New("proto: bad extension number; not in declared ranges")
-	}
-	return nil
-}
-
-// extPropKey is sufficient to uniquely identify an extension.
-type extPropKey struct {
-	base  reflect.Type
-	field int32
-}
-
-var extProp = struct {
-	sync.RWMutex
-	m map[extPropKey]*Properties
-}{
-	m: make(map[extPropKey]*Properties),
-}
-
-func extensionProperties(ed *ExtensionDesc) *Properties {
-	key := extPropKey{base: reflect.TypeOf(ed.ExtendedType), field: ed.Field}
-
-	extProp.RLock()
-	if prop, ok := extProp.m[key]; ok {
-		extProp.RUnlock()
-		return prop
-	}
-	extProp.RUnlock()
-
-	extProp.Lock()
-	defer extProp.Unlock()
-	// Check again.
-	if prop, ok := extProp.m[key]; ok {
-		return prop
-	}
-
-	prop := new(Properties)
-	prop.Init(reflect.TypeOf(ed.ExtensionType), "unknown_name", ed.Tag, nil)
-	extProp.m[key] = prop
-	return prop
-}
-
-// HasExtension returns whether the given extension is present in pb.
-func HasExtension(pb Message, extension *ExtensionDesc) bool {
-	// TODO: Check types, field numbers, etc.?
-	epb, err := extendable(pb)
-	if err != nil {
-		return false
-	}
-	extmap, mu := epb.extensionsRead()
-	if extmap == nil {
-		return false
-	}
-	mu.Lock()
-	_, ok := extmap[extension.Field]
-	mu.Unlock()
-	return ok
-}
-
-// ClearExtension removes the given extension from pb.
-func ClearExtension(pb Message, extension *ExtensionDesc) {
-	epb, err := extendable(pb)
-	if err != nil {
-		return
-	}
-	// TODO: Check types, field numbers, etc.?
-	extmap := epb.extensionsWrite()
-	delete(extmap, extension.Field)
-}
-
-// GetExtension retrieves a proto2 extended field from pb.
-//
-// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil),
-// then GetExtension parses the encoded field and returns a Go value of the specified type.
-// If the field is not present, then the default value is returned (if one is specified),
-// otherwise ErrMissingExtension is reported.
-//
-// If the descriptor is not type complete (i.e., ExtensionDesc.ExtensionType is nil),
-// then GetExtension returns the raw encoded bytes of the field extension.
-func GetExtension(pb Message, extension *ExtensionDesc) (interface{}, error) {
-	epb, err := extendable(pb)
-	if err != nil {
-		return nil, err
-	}
-
-	if extension.ExtendedType != nil {
-		// can only check type if this is a complete descriptor
-		if err := checkExtensionTypes(epb, extension); err != nil {
-			return nil, err
-		}
-	}
-
-	emap, mu := epb.extensionsRead()
-	if emap == nil {
-		return defaultExtensionValue(extension)
-	}
-	mu.Lock()
-	defer mu.Unlock()
-	e, ok := emap[extension.Field]
-	if !ok {
-		// defaultExtensionValue returns the default value or
-		// ErrMissingExtension if there is no default.
-		return defaultExtensionValue(extension)
-	}
-
-	if e.value != nil {
-		// Already decoded. Check the descriptor, though.
-		if e.desc != extension {
-			// This shouldn't happen. If it does, it means that
-			// GetExtension was called twice with two different
-			// descriptors with the same field number.
-			return nil, errors.New("proto: descriptor conflict")
-		}
-		return e.value, nil
-	}
-
-	if extension.ExtensionType == nil {
-		// incomplete descriptor
-		return e.enc, nil
-	}
-
-	v, err := decodeExtension(e.enc, extension)
-	if err != nil {
-		return nil, err
-	}
-
-	// Remember the decoded version and drop the encoded version.
-	// That way it is safe to mutate what we return.
-	e.value = v
-	e.desc = extension
-	e.enc = nil
-	emap[extension.Field] = e
-	return e.value, nil
-}
-
-// defaultExtensionValue returns the default value for extension.
-// If no default for an extension is defined ErrMissingExtension is returned.
-func defaultExtensionValue(extension *ExtensionDesc) (interface{}, error) {
-	if extension.ExtensionType == nil {
-		// incomplete descriptor, so no default
-		return nil, ErrMissingExtension
-	}
-
-	t := reflect.TypeOf(extension.ExtensionType)
-	props := extensionProperties(extension)
-
-	sf, _, err := fieldDefault(t, props)
-	if err != nil {
-		return nil, err
-	}
-
-	if sf == nil || sf.value == nil {
-		// There is no default value.
-		return nil, ErrMissingExtension
-	}
-
-	if t.Kind() != reflect.Ptr {
-		// We do not need to return a Ptr, we can directly return sf.value.
-		return sf.value, nil
-	}
-
-	// We need to return an interface{} that is a pointer to sf.value.
-	value := reflect.New(t).Elem()
-	value.Set(reflect.New(value.Type().Elem()))
-	if sf.kind == reflect.Int32 {
-		// We may have an int32 or an enum, but the underlying data is int32.
-		// Since we can't set an int32 into a non int32 reflect.value directly
-		// set it as a int32.
-		value.Elem().SetInt(int64(sf.value.(int32)))
-	} else {
-		value.Elem().Set(reflect.ValueOf(sf.value))
-	}
-	return value.Interface(), nil
-}
-
-// decodeExtension decodes an extension encoded in b.
-func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) {
-	t := reflect.TypeOf(extension.ExtensionType)
-	unmarshal := typeUnmarshaler(t, extension.Tag)
-
-	// t is a pointer to a struct, pointer to basic type or a slice.
-	// Allocate space to store the pointer/slice.
-	value := reflect.New(t).Elem()
-
-	var err error
-	for {
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		wire := int(x) & 7
-
-		b, err = unmarshal(b, valToPointer(value.Addr()), wire)
-		if err != nil {
-			return nil, err
-		}
-
-		if len(b) == 0 {
-			break
-		}
-	}
-	return value.Interface(), nil
-}
-
-// GetExtensions returns a slice of the extensions present in pb that are also listed in es.
-// The returned slice has the same length as es; missing extensions will appear as nil elements.
-func GetExtensions(pb Message, es []*ExtensionDesc) (extensions []interface{}, err error) {
-	epb, err := extendable(pb)
-	if err != nil {
-		return nil, err
-	}
-	extensions = make([]interface{}, len(es))
-	for i, e := range es {
-		extensions[i], err = GetExtension(epb, e)
-		if err == ErrMissingExtension {
-			err = nil
-		}
-		if err != nil {
-			return
-		}
-	}
-	return
-}
-
-// ExtensionDescs returns a new slice containing pb's extension descriptors, in undefined order.
-// For non-registered extensions, ExtensionDescs returns an incomplete descriptor containing
-// just the Field field, which defines the extension's field number.
-func ExtensionDescs(pb Message) ([]*ExtensionDesc, error) {
-	epb, err := extendable(pb)
-	if err != nil {
-		return nil, err
-	}
-	registeredExtensions := RegisteredExtensions(pb)
-
-	emap, mu := epb.extensionsRead()
-	if emap == nil {
-		return nil, nil
-	}
-	mu.Lock()
-	defer mu.Unlock()
-	extensions := make([]*ExtensionDesc, 0, len(emap))
-	for extid, e := range emap {
-		desc := e.desc
-		if desc == nil {
-			desc = registeredExtensions[extid]
-			if desc == nil {
-				desc = &ExtensionDesc{Field: extid}
-			}
-		}
-
-		extensions = append(extensions, desc)
-	}
-	return extensions, nil
-}
-
-// SetExtension sets the specified extension of pb to the specified value.
-func SetExtension(pb Message, extension *ExtensionDesc, value interface{}) error {
-	epb, err := extendable(pb)
-	if err != nil {
-		return err
-	}
-	if err := checkExtensionTypes(epb, extension); err != nil {
-		return err
-	}
-	typ := reflect.TypeOf(extension.ExtensionType)
-	if typ != reflect.TypeOf(value) {
-		return errors.New("proto: bad extension value type")
-	}
-	// nil extension values need to be caught early, because the
-	// encoder can't distinguish an ErrNil due to a nil extension
-	// from an ErrNil due to a missing field. Extensions are
-	// always optional, so the encoder would just swallow the error
-	// and drop all the extensions from the encoded message.
-	if reflect.ValueOf(value).IsNil() {
-		return fmt.Errorf("proto: SetExtension called with nil value of type %T", value)
-	}
-
-	extmap := epb.extensionsWrite()
-	extmap[extension.Field] = Extension{desc: extension, value: value}
-	return nil
-}
-
-// ClearAllExtensions clears all extensions from pb.
-func ClearAllExtensions(pb Message) {
-	epb, err := extendable(pb)
-	if err != nil {
-		return
-	}
-	m := epb.extensionsWrite()
-	for k := range m {
-		delete(m, k)
-	}
-}
-
-// A global registry of extensions.
-// The generated code will register the generated descriptors by calling RegisterExtension.
-
-var extensionMaps = make(map[reflect.Type]map[int32]*ExtensionDesc)
-
-// RegisterExtension is called from the generated code.
-func RegisterExtension(desc *ExtensionDesc) {
-	st := reflect.TypeOf(desc.ExtendedType).Elem()
-	m := extensionMaps[st]
-	if m == nil {
-		m = make(map[int32]*ExtensionDesc)
-		extensionMaps[st] = m
-	}
-	if _, ok := m[desc.Field]; ok {
-		panic("proto: duplicate extension registered: " + st.String() + " " + strconv.Itoa(int(desc.Field)))
-	}
-	m[desc.Field] = desc
-}
-
-// RegisteredExtensions returns a map of the registered extensions of a
-// protocol buffer struct, indexed by the extension number.
-// The argument pb should be a nil pointer to the struct type.
-func RegisteredExtensions(pb Message) map[int32]*ExtensionDesc {
-	return extensionMaps[reflect.TypeOf(pb).Elem()]
-}

vendor/github.com/golang/protobuf/proto/lib.go

@@ -1,979 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-/*
-Package proto converts data structures to and from the wire format of
-protocol buffers.  It works in concert with the Go source code generated
-for .proto files by the protocol compiler.
-
-A summary of the properties of the protocol buffer interface
-for a protocol buffer variable v:
-
-  - Names are turned from camel_case to CamelCase for export.
-  - There are no methods on v to set fields; just treat
-	them as structure fields.
-  - There are getters that return a field's value if set,
-	and return the field's default value if unset.
-	The getters work even if the receiver is a nil message.
-  - The zero value for a struct is its correct initialization state.
-	All desired fields must be set before marshaling.
-  - A Reset() method will restore a protobuf struct to its zero state.
-  - Non-repeated fields are pointers to the values; nil means unset.
-	That is, optional or required field int32 f becomes F *int32.
-  - Repeated fields are slices.
-  - Helper functions are available to aid the setting of fields.
-	msg.Foo = proto.String("hello") // set field
-  - Constants are defined to hold the default values of all fields that
-	have them.  They have the form Default_StructName_FieldName.
-	Because the getter methods handle defaulted values,
-	direct use of these constants should be rare.
-  - Enums are given type names and maps from names to values.
-	Enum values are prefixed by the enclosing message's name, or by the
-	enum's type name if it is a top-level enum. Enum types have a String
-	method, and a Enum method to assist in message construction.
-  - Nested messages, groups and enums have type names prefixed with the name of
-	the surrounding message type.
-  - Extensions are given descriptor names that start with E_,
-	followed by an underscore-delimited list of the nested messages
-	that contain it (if any) followed by the CamelCased name of the
-	extension field itself.  HasExtension, ClearExtension, GetExtension
-	and SetExtension are functions for manipulating extensions.
-  - Oneof field sets are given a single field in their message,
-	with distinguished wrapper types for each possible field value.
-  - Marshal and Unmarshal are functions to encode and decode the wire format.
-
-When the .proto file specifies `syntax="proto3"`, there are some differences:
-
-  - Non-repeated fields of non-message type are values instead of pointers.
-  - Enum types do not get an Enum method.
-
-The simplest way to describe this is to see an example.
-Given file test.proto, containing
-
-	package example;
-
-	enum FOO { X = 17; }
-
-	message Test {
-	  required string label = 1;
-	  optional int32 type = 2 [default=77];
-	  repeated int64 reps = 3;
-	  optional group OptionalGroup = 4 {
-	    required string RequiredField = 5;
-	  }
-	  oneof union {
-	    int32 number = 6;
-	    string name = 7;
-	  }
-	}
-
-The resulting file, test.pb.go, is:
-
-	package example
-
-	import proto "github.com/golang/protobuf/proto"
-	import math "math"
-
-	type FOO int32
-	const (
-		FOO_X FOO = 17
-	)
-	var FOO_name = map[int32]string{
-		17: "X",
-	}
-	var FOO_value = map[string]int32{
-		"X": 17,
-	}
-
-	func (x FOO) Enum() *FOO {
-		p := new(FOO)
-		*p = x
-		return p
-	}
-	func (x FOO) String() string {
-		return proto.EnumName(FOO_name, int32(x))
-	}
-	func (x *FOO) UnmarshalJSON(data []byte) error {
-		value, err := proto.UnmarshalJSONEnum(FOO_value, data)
-		if err != nil {
-			return err
-		}
-		*x = FOO(value)
-		return nil
-	}
-
-	type Test struct {
-		Label         *string             `protobuf:"bytes,1,req,name=label" json:"label,omitempty"`
-		Type          *int32              `protobuf:"varint,2,opt,name=type,def=77" json:"type,omitempty"`
-		Reps          []int64             `protobuf:"varint,3,rep,name=reps" json:"reps,omitempty"`
-		Optionalgroup *Test_OptionalGroup `protobuf:"group,4,opt,name=OptionalGroup" json:"optionalgroup,omitempty"`
-		// Types that are valid to be assigned to Union:
-		//	*Test_Number
-		//	*Test_Name
-		Union            isTest_Union `protobuf_oneof:"union"`
-		XXX_unrecognized []byte       `json:"-"`
-	}
-	func (m *Test) Reset()         { *m = Test{} }
-	func (m *Test) String() string { return proto.CompactTextString(m) }
-	func (*Test) ProtoMessage() {}
-
-	type isTest_Union interface {
-		isTest_Union()
-	}
-
-	type Test_Number struct {
-		Number int32 `protobuf:"varint,6,opt,name=number"`
-	}
-	type Test_Name struct {
-		Name string `protobuf:"bytes,7,opt,name=name"`
-	}
-
-	func (*Test_Number) isTest_Union() {}
-	func (*Test_Name) isTest_Union()   {}
-
-	func (m *Test) GetUnion() isTest_Union {
-		if m != nil {
-			return m.Union
-		}
-		return nil
-	}
-	const Default_Test_Type int32 = 77
-
-	func (m *Test) GetLabel() string {
-		if m != nil && m.Label != nil {
-			return *m.Label
-		}
-		return ""
-	}
-
-	func (m *Test) GetType() int32 {
-		if m != nil && m.Type != nil {
-			return *m.Type
-		}
-		return Default_Test_Type
-	}
-
-	func (m *Test) GetOptionalgroup() *Test_OptionalGroup {
-		if m != nil {
-			return m.Optionalgroup
-		}
-		return nil
-	}
-
-	type Test_OptionalGroup struct {
-		RequiredField *string `protobuf:"bytes,5,req" json:"RequiredField,omitempty"`
-	}
-	func (m *Test_OptionalGroup) Reset()         { *m = Test_OptionalGroup{} }
-	func (m *Test_OptionalGroup) String() string { return proto.CompactTextString(m) }
-
-	func (m *Test_OptionalGroup) GetRequiredField() string {
-		if m != nil && m.RequiredField != nil {
-			return *m.RequiredField
-		}
-		return ""
-	}
-
-	func (m *Test) GetNumber() int32 {
-		if x, ok := m.GetUnion().(*Test_Number); ok {
-			return x.Number
-		}
-		return 0
-	}
-
-	func (m *Test) GetName() string {
-		if x, ok := m.GetUnion().(*Test_Name); ok {
-			return x.Name
-		}
-		return ""
-	}
-
-	func init() {
-		proto.RegisterEnum("example.FOO", FOO_name, FOO_value)
-	}
-
-To create and play with a Test object:
-
-	package main
-
-	import (
-		"log"
-
-		"github.com/golang/protobuf/proto"
-		pb "./example.pb"
-	)
-
-	func main() {
-		test := &pb.Test{
-			Label: proto.String("hello"),
-			Type:  proto.Int32(17),
-			Reps:  []int64{1, 2, 3},
-			Optionalgroup: &pb.Test_OptionalGroup{
-				RequiredField: proto.String("good bye"),
-			},
-			Union: &pb.Test_Name{"fred"},
-		}
-		data, err := proto.Marshal(test)
-		if err != nil {
-			log.Fatal("marshaling error: ", err)
-		}
-		newTest := &pb.Test{}
-		err = proto.Unmarshal(data, newTest)
-		if err != nil {
-			log.Fatal("unmarshaling error: ", err)
-		}
-		// Now test and newTest contain the same data.
-		if test.GetLabel() != newTest.GetLabel() {
-			log.Fatalf("data mismatch %q != %q", test.GetLabel(), newTest.GetLabel())
-		}
-		// Use a type switch to determine which oneof was set.
-		switch u := test.Union.(type) {
-		case *pb.Test_Number: // u.Number contains the number.
-		case *pb.Test_Name: // u.Name contains the string.
-		}
-		// etc.
-	}
-*/
-package proto
-
-import (
-	"encoding/json"
-	"fmt"
-	"log"
-	"reflect"
-	"sort"
-	"strconv"
-	"sync"
-)
-
-// RequiredNotSetError is an error type returned by either Marshal or Unmarshal.
-// Marshal reports this when a required field is not initialized.
-// Unmarshal reports this when a required field is missing from the wire data.
-type RequiredNotSetError struct{ field string }
-
-func (e *RequiredNotSetError) Error() string {
-	if e.field == "" {
-		return fmt.Sprintf("proto: required field not set")
-	}
-	return fmt.Sprintf("proto: required field %q not set", e.field)
-}
-func (e *RequiredNotSetError) RequiredNotSet() bool {
-	return true
-}
-
-type invalidUTF8Error struct{ field string }
-
-func (e *invalidUTF8Error) Error() string {
-	if e.field == "" {
-		return "proto: invalid UTF-8 detected"
-	}
-	return fmt.Sprintf("proto: field %q contains invalid UTF-8", e.field)
-}
-func (e *invalidUTF8Error) InvalidUTF8() bool {
-	return true
-}
-
-// errInvalidUTF8 is a sentinel error to identify fields with invalid UTF-8.
-// This error should not be exposed to the external API as such errors should
-// be recreated with the field information.
-var errInvalidUTF8 = &invalidUTF8Error{}
-
-// isNonFatal reports whether the error is either a RequiredNotSet error
-// or a InvalidUTF8 error.
-func isNonFatal(err error) bool {
-	if re, ok := err.(interface{ RequiredNotSet() bool }); ok && re.RequiredNotSet() {
-		return true
-	}
-	if re, ok := err.(interface{ InvalidUTF8() bool }); ok && re.InvalidUTF8() {
-		return true
-	}
-	return false
-}
-
-type nonFatal struct{ E error }
-
-// Merge merges err into nf and reports whether it was successful.
-// Otherwise it returns false for any fatal non-nil errors.
-func (nf *nonFatal) Merge(err error) (ok bool) {
-	if err == nil {
-		return true // not an error
-	}
-	if !isNonFatal(err) {
-		return false // fatal error
-	}
-	if nf.E == nil {
-		nf.E = err // store first instance of non-fatal error
-	}
-	return true
-}
-
-// Message is implemented by generated protocol buffer messages.
-type Message interface {
-	Reset()
-	String() string
-	ProtoMessage()
-}
-
-// Stats records allocation details about the protocol buffer encoders
-// and decoders.  Useful for tuning the library itself.
-type Stats struct {
-	Emalloc uint64 // mallocs in encode
-	Dmalloc uint64 // mallocs in decode
-	Encode  uint64 // number of encodes
-	Decode  uint64 // number of decodes
-	Chit    uint64 // number of cache hits
-	Cmiss   uint64 // number of cache misses
-	Size    uint64 // number of sizes
-}
-
-// Set to true to enable stats collection.
-const collectStats = false
-
-var stats Stats
-
-// GetStats returns a copy of the global Stats structure.
-func GetStats() Stats { return stats }
-
-// A Buffer is a buffer manager for marshaling and unmarshaling
-// protocol buffers.  It may be reused between invocations to
-// reduce memory usage.  It is not necessary to use a Buffer;
-// the global functions Marshal and Unmarshal create a
-// temporary Buffer and are fine for most applications.
-type Buffer struct {
-	buf   []byte // encode/decode byte stream
-	index int    // read point
-
-	deterministic bool
-}
-
-// NewBuffer allocates a new Buffer and initializes its internal data to
-// the contents of the argument slice.
-func NewBuffer(e []byte) *Buffer {
-	return &Buffer{buf: e}
-}
-
-// Reset resets the Buffer, ready for marshaling a new protocol buffer.
-func (p *Buffer) Reset() {
-	p.buf = p.buf[0:0] // for reading/writing
-	p.index = 0        // for reading
-}
-
-// SetBuf replaces the internal buffer with the slice,
-// ready for unmarshaling the contents of the slice.
-func (p *Buffer) SetBuf(s []byte) {
-	p.buf = s
-	p.index = 0
-}
-
-// Bytes returns the contents of the Buffer.
-func (p *Buffer) Bytes() []byte { return p.buf }
-
-// SetDeterministic sets whether to use deterministic serialization.
-//
-// Deterministic serialization guarantees that for a given binary, equal
-// messages will always be serialized to the same bytes. This implies:
-//
-//   - Repeated serialization of a message will return the same bytes.
-//   - Different processes of the same binary (which may be executing on
-//     different machines) will serialize equal messages to the same bytes.
-//
-// Note that the deterministic serialization is NOT canonical across
-// languages. It is not guaranteed to remain stable over time. It is unstable
-// across different builds with schema changes due to unknown fields.
-// Users who need canonical serialization (e.g., persistent storage in a
-// canonical form, fingerprinting, etc.) should define their own
-// canonicalization specification and implement their own serializer rather
-// than relying on this API.
-//
-// If deterministic serialization is requested, map entries will be sorted
-// by keys in lexographical order. This is an implementation detail and
-// subject to change.
-func (p *Buffer) SetDeterministic(deterministic bool) {
-	p.deterministic = deterministic
-}
-
-/*
- * Helper routines for simplifying the creation of optional fields of basic type.
- */
-
-// Bool is a helper routine that allocates a new bool value
-// to store v and returns a pointer to it.
-func Bool(v bool) *bool {
-	return &v
-}
-
-// Int32 is a helper routine that allocates a new int32 value
-// to store v and returns a pointer to it.
-func Int32(v int32) *int32 {
-	return &v
-}
-
-// Int is a helper routine that allocates a new int32 value
-// to store v and returns a pointer to it, but unlike Int32
-// its argument value is an int.
-func Int(v int) *int32 {
-	p := new(int32)
-	*p = int32(v)
-	return p
-}
-
-// Int64 is a helper routine that allocates a new int64 value
-// to store v and returns a pointer to it.
-func Int64(v int64) *int64 {
-	return &v
-}
-
-// Float32 is a helper routine that allocates a new float32 value
-// to store v and returns a pointer to it.
-func Float32(v float32) *float32 {
-	return &v
-}
-
-// Float64 is a helper routine that allocates a new float64 value
-// to store v and returns a pointer to it.
-func Float64(v float64) *float64 {
-	return &v
-}
-
-// Uint32 is a helper routine that allocates a new uint32 value
-// to store v and returns a pointer to it.
-func Uint32(v uint32) *uint32 {
-	return &v
-}
-
-// Uint64 is a helper routine that allocates a new uint64 value
-// to store v and returns a pointer to it.
-func Uint64(v uint64) *uint64 {
-	return &v
-}
-
-// String is a helper routine that allocates a new string value
-// to store v and returns a pointer to it.
-func String(v string) *string {
-	return &v
-}
-
-// EnumName is a helper function to simplify printing protocol buffer enums
-// by name.  Given an enum map and a value, it returns a useful string.
-func EnumName(m map[int32]string, v int32) string {
-	s, ok := m[v]
-	if ok {
-		return s
-	}
-	return strconv.Itoa(int(v))
-}
-
-// UnmarshalJSONEnum is a helper function to simplify recovering enum int values
-// from their JSON-encoded representation. Given a map from the enum's symbolic
-// names to its int values, and a byte buffer containing the JSON-encoded
-// value, it returns an int32 that can be cast to the enum type by the caller.
-//
-// The function can deal with both JSON representations, numeric and symbolic.
-func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
-	if data[0] == '"' {
-		// New style: enums are strings.
-		var repr string
-		if err := json.Unmarshal(data, &repr); err != nil {
-			return -1, err
-		}
-		val, ok := m[repr]
-		if !ok {
-			return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
-		}
-		return val, nil
-	}
-	// Old style: enums are ints.
-	var val int32
-	if err := json.Unmarshal(data, &val); err != nil {
-		return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
-	}
-	return val, nil
-}
-
-// DebugPrint dumps the encoded data in b in a debugging format with a header
-// including the string s. Used in testing but made available for general debugging.
-func (p *Buffer) DebugPrint(s string, b []byte) {
-	var u uint64
-
-	obuf := p.buf
-	index := p.index
-	p.buf = b
-	p.index = 0
-	depth := 0
-
-	fmt.Printf("\n--- %s ---\n", s)
-
-out:
-	for {
-		for i := 0; i < depth; i++ {
-			fmt.Print("  ")
-		}
-
-		index := p.index
-		if index == len(p.buf) {
-			break
-		}
-
-		op, err := p.DecodeVarint()
-		if err != nil {
-			fmt.Printf("%3d: fetching op err %v\n", index, err)
-			break out
-		}
-		tag := op >> 3
-		wire := op & 7
-
-		switch wire {
-		default:
-			fmt.Printf("%3d: t=%3d unknown wire=%d\n",
-				index, tag, wire)
-			break out
-
-		case WireBytes:
-			var r []byte
-
-			r, err = p.DecodeRawBytes(false)
-			if err != nil {
-				break out
-			}
-			fmt.Printf("%3d: t=%3d bytes [%d]", index, tag, len(r))
-			if len(r) <= 6 {
-				for i := 0; i < len(r); i++ {
-					fmt.Printf(" %.2x", r[i])
-				}
-			} else {
-				for i := 0; i < 3; i++ {
-					fmt.Printf(" %.2x", r[i])
-				}
-				fmt.Printf(" ..")
-				for i := len(r) - 3; i < len(r); i++ {
-					fmt.Printf(" %.2x", r[i])
-				}
-			}
-			fmt.Printf("\n")
-
-		case WireFixed32:
-			u, err = p.DecodeFixed32()
-			if err != nil {
-				fmt.Printf("%3d: t=%3d fix32 err %v\n", index, tag, err)
-				break out
-			}
-			fmt.Printf("%3d: t=%3d fix32 %d\n", index, tag, u)
-
-		case WireFixed64:
-			u, err = p.DecodeFixed64()
-			if err != nil {
-				fmt.Printf("%3d: t=%3d fix64 err %v\n", index, tag, err)
-				break out
-			}
-			fmt.Printf("%3d: t=%3d fix64 %d\n", index, tag, u)
-
-		case WireVarint:
-			u, err = p.DecodeVarint()
-			if err != nil {
-				fmt.Printf("%3d: t=%3d varint err %v\n", index, tag, err)
-				break out
-			}
-			fmt.Printf("%3d: t=%3d varint %d\n", index, tag, u)
-
-		case WireStartGroup:
-			fmt.Printf("%3d: t=%3d start\n", index, tag)
-			depth++
-
-		case WireEndGroup:
-			depth--
-			fmt.Printf("%3d: t=%3d end\n", index, tag)
-		}
-	}
-
-	if depth != 0 {
-		fmt.Printf("%3d: start-end not balanced %d\n", p.index, depth)
-	}
-	fmt.Printf("\n")
-
-	p.buf = obuf
-	p.index = index
-}
-
-// SetDefaults sets unset protocol buffer fields to their default values.
-// It only modifies fields that are both unset and have defined defaults.
-// It recursively sets default values in any non-nil sub-messages.
-func SetDefaults(pb Message) {
-	setDefaults(reflect.ValueOf(pb), true, false)
-}
-
-// v is a pointer to a struct.
-func setDefaults(v reflect.Value, recur, zeros bool) {
-	v = v.Elem()
-
-	defaultMu.RLock()
-	dm, ok := defaults[v.Type()]
-	defaultMu.RUnlock()
-	if !ok {
-		dm = buildDefaultMessage(v.Type())
-		defaultMu.Lock()
-		defaults[v.Type()] = dm
-		defaultMu.Unlock()
-	}
-
-	for _, sf := range dm.scalars {
-		f := v.Field(sf.index)
-		if !f.IsNil() {
-			// field already set
-			continue
-		}
-		dv := sf.value
-		if dv == nil && !zeros {
-			// no explicit default, and don't want to set zeros
-			continue
-		}
-		fptr := f.Addr().Interface() // **T
-		// TODO: Consider batching the allocations we do here.
-		switch sf.kind {
-		case reflect.Bool:
-			b := new(bool)
-			if dv != nil {
-				*b = dv.(bool)
-			}
-			*(fptr.(**bool)) = b
-		case reflect.Float32:
-			f := new(float32)
-			if dv != nil {
-				*f = dv.(float32)
-			}
-			*(fptr.(**float32)) = f
-		case reflect.Float64:
-			f := new(float64)
-			if dv != nil {
-				*f = dv.(float64)
-			}
-			*(fptr.(**float64)) = f
-		case reflect.Int32:
-			// might be an enum
-			if ft := f.Type(); ft != int32PtrType {
-				// enum
-				f.Set(reflect.New(ft.Elem()))
-				if dv != nil {
-					f.Elem().SetInt(int64(dv.(int32)))
-				}
-			} else {
-				// int32 field
-				i := new(int32)
-				if dv != nil {
-					*i = dv.(int32)
-				}
-				*(fptr.(**int32)) = i
-			}
-		case reflect.Int64:
-			i := new(int64)
-			if dv != nil {
-				*i = dv.(int64)
-			}
-			*(fptr.(**int64)) = i
-		case reflect.String:
-			s := new(string)
-			if dv != nil {
-				*s = dv.(string)
-			}
-			*(fptr.(**string)) = s
-		case reflect.Uint8:
-			// exceptional case: []byte
-			var b []byte
-			if dv != nil {
-				db := dv.([]byte)
-				b = make([]byte, len(db))
-				copy(b, db)
-			} else {
-				b = []byte{}
-			}
-			*(fptr.(*[]byte)) = b
-		case reflect.Uint32:
-			u := new(uint32)
-			if dv != nil {
-				*u = dv.(uint32)
-			}
-			*(fptr.(**uint32)) = u
-		case reflect.Uint64:
-			u := new(uint64)
-			if dv != nil {
-				*u = dv.(uint64)
-			}
-			*(fptr.(**uint64)) = u
-		default:
-			log.Printf("proto: can't set default for field %v (sf.kind=%v)", f, sf.kind)
-		}
-	}
-
-	for _, ni := range dm.nested {
-		f := v.Field(ni)
-		// f is *T or []*T or map[T]*T
-		switch f.Kind() {
-		case reflect.Ptr:
-			if f.IsNil() {
-				continue
-			}
-			setDefaults(f, recur, zeros)
-
-		case reflect.Slice:
-			for i := 0; i < f.Len(); i++ {
-				e := f.Index(i)
-				if e.IsNil() {
-					continue
-				}
-				setDefaults(e, recur, zeros)
-			}
-
-		case reflect.Map:
-			for _, k := range f.MapKeys() {
-				e := f.MapIndex(k)
-				if e.IsNil() {
-					continue
-				}
-				setDefaults(e, recur, zeros)
-			}
-		}
-	}
-}
-
-var (
-	// defaults maps a protocol buffer struct type to a slice of the fields,
-	// with its scalar fields set to their proto-declared non-zero default values.
-	defaultMu sync.RWMutex
-	defaults  = make(map[reflect.Type]defaultMessage)
-
-	int32PtrType = reflect.TypeOf((*int32)(nil))
-)
-
-// defaultMessage represents information about the default values of a message.
-type defaultMessage struct {
-	scalars []scalarField
-	nested  []int // struct field index of nested messages
-}
-
-type scalarField struct {
-	index int          // struct field index
-	kind  reflect.Kind // element type (the T in *T or []T)
-	value interface{}  // the proto-declared default value, or nil
-}
-
-// t is a struct type.
-func buildDefaultMessage(t reflect.Type) (dm defaultMessage) {
-	sprop := GetProperties(t)
-	for _, prop := range sprop.Prop {
-		fi, ok := sprop.decoderTags.get(prop.Tag)
-		if !ok {
-			// XXX_unrecognized
-			continue
-		}
-		ft := t.Field(fi).Type
-
-		sf, nested, err := fieldDefault(ft, prop)
-		switch {
-		case err != nil:
-			log.Print(err)
-		case nested:
-			dm.nested = append(dm.nested, fi)
-		case sf != nil:
-			sf.index = fi
-			dm.scalars = append(dm.scalars, *sf)
-		}
-	}
-
-	return dm
-}
-
-// fieldDefault returns the scalarField for field type ft.
-// sf will be nil if the field can not have a default.
-// nestedMessage will be true if this is a nested message.
-// Note that sf.index is not set on return.
-func fieldDefault(ft reflect.Type, prop *Properties) (sf *scalarField, nestedMessage bool, err error) {
-	var canHaveDefault bool
-	switch ft.Kind() {
-	case reflect.Ptr:
-		if ft.Elem().Kind() == reflect.Struct {
-			nestedMessage = true
-		} else {
-			canHaveDefault = true // proto2 scalar field
-		}
-
-	case reflect.Slice:
-		switch ft.Elem().Kind() {
-		case reflect.Ptr:
-			nestedMessage = true // repeated message
-		case reflect.Uint8:
-			canHaveDefault = true // bytes field
-		}
-
-	case reflect.Map:
-		if ft.Elem().Kind() == reflect.Ptr {
-			nestedMessage = true // map with message values
-		}
-	}
-
-	if !canHaveDefault {
-		if nestedMessage {
-			return nil, true, nil
-		}
-		return nil, false, nil
-	}
-
-	// We now know that ft is a pointer or slice.
-	sf = &scalarField{kind: ft.Elem().Kind()}
-
-	// scalar fields without defaults
-	if !prop.HasDefault {
-		return sf, false, nil
-	}
-
-	// a scalar field: either *T or []byte
-	switch ft.Elem().Kind() {
-	case reflect.Bool:
-		x, err := strconv.ParseBool(prop.Default)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default bool %q: %v", prop.Default, err)
-		}
-		sf.value = x
-	case reflect.Float32:
-		x, err := strconv.ParseFloat(prop.Default, 32)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default float32 %q: %v", prop.Default, err)
-		}
-		sf.value = float32(x)
-	case reflect.Float64:
-		x, err := strconv.ParseFloat(prop.Default, 64)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default float64 %q: %v", prop.Default, err)
-		}
-		sf.value = x
-	case reflect.Int32:
-		x, err := strconv.ParseInt(prop.Default, 10, 32)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default int32 %q: %v", prop.Default, err)
-		}
-		sf.value = int32(x)
-	case reflect.Int64:
-		x, err := strconv.ParseInt(prop.Default, 10, 64)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default int64 %q: %v", prop.Default, err)
-		}
-		sf.value = x
-	case reflect.String:
-		sf.value = prop.Default
-	case reflect.Uint8:
-		// []byte (not *uint8)
-		sf.value = []byte(prop.Default)
-	case reflect.Uint32:
-		x, err := strconv.ParseUint(prop.Default, 10, 32)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default uint32 %q: %v", prop.Default, err)
-		}
-		sf.value = uint32(x)
-	case reflect.Uint64:
-		x, err := strconv.ParseUint(prop.Default, 10, 64)
-		if err != nil {
-			return nil, false, fmt.Errorf("proto: bad default uint64 %q: %v", prop.Default, err)
-		}
-		sf.value = x
-	default:
-		return nil, false, fmt.Errorf("proto: unhandled def kind %v", ft.Elem().Kind())
-	}
-
-	return sf, false, nil
-}
-
-// mapKeys returns a sort.Interface to be used for sorting the map keys.
-// Map fields may have key types of non-float scalars, strings and enums.
-func mapKeys(vs []reflect.Value) sort.Interface {
-	s := mapKeySorter{vs: vs}
-
-	// Type specialization per https://developers.google.com/protocol-buffers/docs/proto#maps.
-	if len(vs) == 0 {
-		return s
-	}
-	switch vs[0].Kind() {
-	case reflect.Int32, reflect.Int64:
-		s.less = func(a, b reflect.Value) bool { return a.Int() < b.Int() }
-	case reflect.Uint32, reflect.Uint64:
-		s.less = func(a, b reflect.Value) bool { return a.Uint() < b.Uint() }
-	case reflect.Bool:
-		s.less = func(a, b reflect.Value) bool { return !a.Bool() && b.Bool() } // false < true
-	case reflect.String:
-		s.less = func(a, b reflect.Value) bool { return a.String() < b.String() }
-	default:
-		panic(fmt.Sprintf("unsupported map key type: %v", vs[0].Kind()))
-	}
-
-	return s
-}
-
-type mapKeySorter struct {
-	vs   []reflect.Value
-	less func(a, b reflect.Value) bool
-}
-
-func (s mapKeySorter) Len() int      { return len(s.vs) }
-func (s mapKeySorter) Swap(i, j int) { s.vs[i], s.vs[j] = s.vs[j], s.vs[i] }
-func (s mapKeySorter) Less(i, j int) bool {
-	return s.less(s.vs[i], s.vs[j])
-}
-
-// isProto3Zero reports whether v is a zero proto3 value.
-func isProto3Zero(v reflect.Value) bool {
-	switch v.Kind() {
-	case reflect.Bool:
-		return !v.Bool()
-	case reflect.Int32, reflect.Int64:
-		return v.Int() == 0
-	case reflect.Uint32, reflect.Uint64:
-		return v.Uint() == 0
-	case reflect.Float32, reflect.Float64:
-		return v.Float() == 0
-	case reflect.String:
-		return v.String() == ""
-	}
-	return false
-}
-
-// ProtoPackageIsVersion2 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion2 = true
-
-// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
-// to assert that that code is compatible with this version of the proto package.
-const ProtoPackageIsVersion1 = true
-
-// InternalMessageInfo is a type used internally by generated .pb.go files.
-// This type is not intended to be used by non-generated code.
-// This type is not subject to any compatibility guarantee.
-type InternalMessageInfo struct {
-	marshal   *marshalInfo
-	unmarshal *unmarshalInfo
-	merge     *mergeInfo
-	discard   *discardInfo
-}

vendor/github.com/golang/protobuf/proto/message_set.go

@@ -1,314 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-/*
- * Support for message sets.
- */
-
-import (
-	"bytes"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"reflect"
-	"sort"
-	"sync"
-)
-
-// errNoMessageTypeID occurs when a protocol buffer does not have a message type ID.
-// A message type ID is required for storing a protocol buffer in a message set.
-var errNoMessageTypeID = errors.New("proto does not have a message type ID")
-
-// The first two types (_MessageSet_Item and messageSet)
-// model what the protocol compiler produces for the following protocol message:
-//   message MessageSet {
-//     repeated group Item = 1 {
-//       required int32 type_id = 2;
-//       required string message = 3;
-//     };
-//   }
-// That is the MessageSet wire format. We can't use a proto to generate these
-// because that would introduce a circular dependency between it and this package.
-
-type _MessageSet_Item struct {
-	TypeId  *int32 `protobuf:"varint,2,req,name=type_id"`
-	Message []byte `protobuf:"bytes,3,req,name=message"`
-}
-
-type messageSet struct {
-	Item             []*_MessageSet_Item `protobuf:"group,1,rep"`
-	XXX_unrecognized []byte
-	// TODO: caching?
-}
-
-// Make sure messageSet is a Message.
-var _ Message = (*messageSet)(nil)
-
-// messageTypeIder is an interface satisfied by a protocol buffer type
-// that may be stored in a MessageSet.
-type messageTypeIder interface {
-	MessageTypeId() int32
-}
-
-func (ms *messageSet) find(pb Message) *_MessageSet_Item {
-	mti, ok := pb.(messageTypeIder)
-	if !ok {
-		return nil
-	}
-	id := mti.MessageTypeId()
-	for _, item := range ms.Item {
-		if *item.TypeId == id {
-			return item
-		}
-	}
-	return nil
-}
-
-func (ms *messageSet) Has(pb Message) bool {
-	return ms.find(pb) != nil
-}
-
-func (ms *messageSet) Unmarshal(pb Message) error {
-	if item := ms.find(pb); item != nil {
-		return Unmarshal(item.Message, pb)
-	}
-	if _, ok := pb.(messageTypeIder); !ok {
-		return errNoMessageTypeID
-	}
-	return nil // TODO: return error instead?
-}
-
-func (ms *messageSet) Marshal(pb Message) error {
-	msg, err := Marshal(pb)
-	if err != nil {
-		return err
-	}
-	if item := ms.find(pb); item != nil {
-		// reuse existing item
-		item.Message = msg
-		return nil
-	}
-
-	mti, ok := pb.(messageTypeIder)
-	if !ok {
-		return errNoMessageTypeID
-	}
-
-	mtid := mti.MessageTypeId()
-	ms.Item = append(ms.Item, &_MessageSet_Item{
-		TypeId:  &mtid,
-		Message: msg,
-	})
-	return nil
-}
-
-func (ms *messageSet) Reset()         { *ms = messageSet{} }
-func (ms *messageSet) String() string { return CompactTextString(ms) }
-func (*messageSet) ProtoMessage()     {}
-
-// Support for the message_set_wire_format message option.
-
-func skipVarint(buf []byte) []byte {
-	i := 0
-	for ; buf[i]&0x80 != 0; i++ {
-	}
-	return buf[i+1:]
-}
-
-// MarshalMessageSet encodes the extension map represented by m in the message set wire format.
-// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSet(exts interface{}) ([]byte, error) {
-	return marshalMessageSet(exts, false)
-}
-
-// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal.
-func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) {
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var u marshalInfo
-		siz := u.sizeMessageSet(exts)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, exts, deterministic)
-
-	case map[int32]Extension:
-		// This is an old-style extension map.
-		// Wrap it in a new-style XXX_InternalExtensions.
-		ie := XXX_InternalExtensions{
-			p: &struct {
-				mu           sync.Mutex
-				extensionMap map[int32]Extension
-			}{
-				extensionMap: exts,
-			},
-		}
-
-		var u marshalInfo
-		siz := u.sizeMessageSet(&ie)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, &ie, deterministic)
-
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-}
-
-// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
-// It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSet(buf []byte, exts interface{}) error {
-	var m map[int32]Extension
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		m = exts.extensionsWrite()
-	case map[int32]Extension:
-		m = exts
-	default:
-		return errors.New("proto: not an extension map")
-	}
-
-	ms := new(messageSet)
-	if err := Unmarshal(buf, ms); err != nil {
-		return err
-	}
-	for _, item := range ms.Item {
-		id := *item.TypeId
-		msg := item.Message
-
-		// Restore wire type and field number varint, plus length varint.
-		// Be careful to preserve duplicate items.
-		b := EncodeVarint(uint64(id)<<3 | WireBytes)
-		if ext, ok := m[id]; ok {
-			// Existing data; rip off the tag and length varint
-			// so we join the new data correctly.
-			// We can assume that ext.enc is set because we are unmarshaling.
-			o := ext.enc[len(b):]   // skip wire type and field number
-			_, n := DecodeVarint(o) // calculate length of length varint
-			o = o[n:]               // skip length varint
-			msg = append(o, msg...) // join old data and new data
-		}
-		b = append(b, EncodeVarint(uint64(len(msg)))...)
-		b = append(b, msg...)
-
-		m[id] = Extension{enc: b}
-	}
-	return nil
-}
-
-// MarshalMessageSetJSON encodes the extension map represented by m in JSON format.
-// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSetJSON(exts interface{}) ([]byte, error) {
-	var m map[int32]Extension
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var mu sync.Locker
-		m, mu = exts.extensionsRead()
-		if m != nil {
-			// Keep the extensions map locked until we're done marshaling to prevent
-			// races between marshaling and unmarshaling the lazily-{en,de}coded
-			// values.
-			mu.Lock()
-			defer mu.Unlock()
-		}
-	case map[int32]Extension:
-		m = exts
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-	var b bytes.Buffer
-	b.WriteByte('{')
-
-	// Process the map in key order for deterministic output.
-	ids := make([]int32, 0, len(m))
-	for id := range m {
-		ids = append(ids, id)
-	}
-	sort.Sort(int32Slice(ids)) // int32Slice defined in text.go
-
-	for i, id := range ids {
-		ext := m[id]
-		msd, ok := messageSetMap[id]
-		if !ok {
-			// Unknown type; we can't render it, so skip it.
-			continue
-		}
-
-		if i > 0 && b.Len() > 1 {
-			b.WriteByte(',')
-		}
-
-		fmt.Fprintf(&b, `"[%s]":`, msd.name)
-
-		x := ext.value
-		if x == nil {
-			x = reflect.New(msd.t.Elem()).Interface()
-			if err := Unmarshal(ext.enc, x.(Message)); err != nil {
-				return nil, err
-			}
-		}
-		d, err := json.Marshal(x)
-		if err != nil {
-			return nil, err
-		}
-		b.Write(d)
-	}
-	b.WriteByte('}')
-	return b.Bytes(), nil
-}
-
-// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format.
-// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error {
-	// Common-case fast path.
-	if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) {
-		return nil
-	}
-
-	// This is fairly tricky, and it's not clear that it is needed.
-	return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented")
-}
-
-// A global registry of types that can be used in a MessageSet.
-
-var messageSetMap = make(map[int32]messageSetDesc)
-
-type messageSetDesc struct {
-	t    reflect.Type // pointer to struct
-	name string
-}
-
-// RegisterMessageSetType is called from the generated code.
-func RegisterMessageSetType(m Message, fieldNum int32, name string) {
-	messageSetMap[fieldNum] = messageSetDesc{
-		t:    reflect.TypeOf(m),
-		name: name,
-	}
-}

vendor/github.com/golang/protobuf/proto/pointer_reflect.go

@@ -1,357 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2012 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// +build purego appengine js
-
-// This file contains an implementation of proto field accesses using package reflect.
-// It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can
-// be used on App Engine.
-
-package proto
-
-import (
-	"reflect"
-	"sync"
-)
-
-const unsafeAllowed = false
-
-// A field identifies a field in a struct, accessible from a pointer.
-// In this implementation, a field is identified by the sequence of field indices
-// passed to reflect's FieldByIndex.
-type field []int
-
-// toField returns a field equivalent to the given reflect field.
-func toField(f *reflect.StructField) field {
-	return f.Index
-}
-
-// invalidField is an invalid field identifier.
-var invalidField = field(nil)
-
-// zeroField is a noop when calling pointer.offset.
-var zeroField = field([]int{})
-
-// IsValid reports whether the field identifier is valid.
-func (f field) IsValid() bool { return f != nil }
-
-// The pointer type is for the table-driven decoder.
-// The implementation here uses a reflect.Value of pointer type to
-// create a generic pointer. In pointer_unsafe.go we use unsafe
-// instead of reflect to implement the same (but faster) interface.
-type pointer struct {
-	v reflect.Value
-}
-
-// toPointer converts an interface of pointer type to a pointer
-// that points to the same target.
-func toPointer(i *Message) pointer {
-	return pointer{v: reflect.ValueOf(*i)}
-}
-
-// toAddrPointer converts an interface to a pointer that points to
-// the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
-	v := reflect.ValueOf(*i)
-	u := reflect.New(v.Type())
-	u.Elem().Set(v)
-	return pointer{v: u}
-}
-
-// valToPointer converts v to a pointer.  v must be of pointer type.
-func valToPointer(v reflect.Value) pointer {
-	return pointer{v: v}
-}
-
-// offset converts from a pointer to a structure to a pointer to
-// one of its fields.
-func (p pointer) offset(f field) pointer {
-	return pointer{v: p.v.Elem().FieldByIndex(f).Addr()}
-}
-
-func (p pointer) isNil() bool {
-	return p.v.IsNil()
-}
-
-// grow updates the slice s in place to make it one element longer.
-// s must be addressable.
-// Returns the (addressable) new element.
-func grow(s reflect.Value) reflect.Value {
-	n, m := s.Len(), s.Cap()
-	if n < m {
-		s.SetLen(n + 1)
-	} else {
-		s.Set(reflect.Append(s, reflect.Zero(s.Type().Elem())))
-	}
-	return s.Index(n)
-}
-
-func (p pointer) toInt64() *int64 {
-	return p.v.Interface().(*int64)
-}
-func (p pointer) toInt64Ptr() **int64 {
-	return p.v.Interface().(**int64)
-}
-func (p pointer) toInt64Slice() *[]int64 {
-	return p.v.Interface().(*[]int64)
-}
-
-var int32ptr = reflect.TypeOf((*int32)(nil))
-
-func (p pointer) toInt32() *int32 {
-	return p.v.Convert(int32ptr).Interface().(*int32)
-}
-
-// The toInt32Ptr/Slice methods don't work because of enums.
-// Instead, we must use set/get methods for the int32ptr/slice case.
-/*
-	func (p pointer) toInt32Ptr() **int32 {
-		return p.v.Interface().(**int32)
-}
-	func (p pointer) toInt32Slice() *[]int32 {
-		return p.v.Interface().(*[]int32)
-}
-*/
-func (p pointer) getInt32Ptr() *int32 {
-	if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) {
-		// raw int32 type
-		return p.v.Elem().Interface().(*int32)
-	}
-	// an enum
-	return p.v.Elem().Convert(int32PtrType).Interface().(*int32)
-}
-func (p pointer) setInt32Ptr(v int32) {
-	// Allocate value in a *int32. Possibly convert that to a *enum.
-	// Then assign it to a **int32 or **enum.
-	// Note: we can convert *int32 to *enum, but we can't convert
-	// **int32 to **enum!
-	p.v.Elem().Set(reflect.ValueOf(&v).Convert(p.v.Type().Elem()))
-}
-
-// getInt32Slice copies []int32 from p as a new slice.
-// This behavior differs from the implementation in pointer_unsafe.go.
-func (p pointer) getInt32Slice() []int32 {
-	if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) {
-		// raw int32 type
-		return p.v.Elem().Interface().([]int32)
-	}
-	// an enum
-	// Allocate a []int32, then assign []enum's values into it.
-	// Note: we can't convert []enum to []int32.
-	slice := p.v.Elem()
-	s := make([]int32, slice.Len())
-	for i := 0; i < slice.Len(); i++ {
-		s[i] = int32(slice.Index(i).Int())
-	}
-	return s
-}
-
-// setInt32Slice copies []int32 into p as a new slice.
-// This behavior differs from the implementation in pointer_unsafe.go.
-func (p pointer) setInt32Slice(v []int32) {
-	if p.v.Type().Elem().Elem() == reflect.TypeOf(int32(0)) {
-		// raw int32 type
-		p.v.Elem().Set(reflect.ValueOf(v))
-		return
-	}
-	// an enum
-	// Allocate a []enum, then assign []int32's values into it.
-	// Note: we can't convert []enum to []int32.
-	slice := reflect.MakeSlice(p.v.Type().Elem(), len(v), cap(v))
-	for i, x := range v {
-		slice.Index(i).SetInt(int64(x))
-	}
-	p.v.Elem().Set(slice)
-}
-func (p pointer) appendInt32Slice(v int32) {
-	grow(p.v.Elem()).SetInt(int64(v))
-}
-
-func (p pointer) toUint64() *uint64 {
-	return p.v.Interface().(*uint64)
-}
-func (p pointer) toUint64Ptr() **uint64 {
-	return p.v.Interface().(**uint64)
-}
-func (p pointer) toUint64Slice() *[]uint64 {
-	return p.v.Interface().(*[]uint64)
-}
-func (p pointer) toUint32() *uint32 {
-	return p.v.Interface().(*uint32)
-}
-func (p pointer) toUint32Ptr() **uint32 {
-	return p.v.Interface().(**uint32)
-}
-func (p pointer) toUint32Slice() *[]uint32 {
-	return p.v.Interface().(*[]uint32)
-}
-func (p pointer) toBool() *bool {
-	return p.v.Interface().(*bool)
-}
-func (p pointer) toBoolPtr() **bool {
-	return p.v.Interface().(**bool)
-}
-func (p pointer) toBoolSlice() *[]bool {
-	return p.v.Interface().(*[]bool)
-}
-func (p pointer) toFloat64() *float64 {
-	return p.v.Interface().(*float64)
-}
-func (p pointer) toFloat64Ptr() **float64 {
-	return p.v.Interface().(**float64)
-}
-func (p pointer) toFloat64Slice() *[]float64 {
-	return p.v.Interface().(*[]float64)
-}
-func (p pointer) toFloat32() *float32 {
-	return p.v.Interface().(*float32)
-}
-func (p pointer) toFloat32Ptr() **float32 {
-	return p.v.Interface().(**float32)
-}
-func (p pointer) toFloat32Slice() *[]float32 {
-	return p.v.Interface().(*[]float32)
-}
-func (p pointer) toString() *string {
-	return p.v.Interface().(*string)
-}
-func (p pointer) toStringPtr() **string {
-	return p.v.Interface().(**string)
-}
-func (p pointer) toStringSlice() *[]string {
-	return p.v.Interface().(*[]string)
-}
-func (p pointer) toBytes() *[]byte {
-	return p.v.Interface().(*[]byte)
-}
-func (p pointer) toBytesSlice() *[][]byte {
-	return p.v.Interface().(*[][]byte)
-}
-func (p pointer) toExtensions() *XXX_InternalExtensions {
-	return p.v.Interface().(*XXX_InternalExtensions)
-}
-func (p pointer) toOldExtensions() *map[int32]Extension {
-	return p.v.Interface().(*map[int32]Extension)
-}
-func (p pointer) getPointer() pointer {
-	return pointer{v: p.v.Elem()}
-}
-func (p pointer) setPointer(q pointer) {
-	p.v.Elem().Set(q.v)
-}
-func (p pointer) appendPointer(q pointer) {
-	grow(p.v.Elem()).Set(q.v)
-}
-
-// getPointerSlice copies []*T from p as a new []pointer.
-// This behavior differs from the implementation in pointer_unsafe.go.
-func (p pointer) getPointerSlice() []pointer {
-	if p.v.IsNil() {
-		return nil
-	}
-	n := p.v.Elem().Len()
-	s := make([]pointer, n)
-	for i := 0; i < n; i++ {
-		s[i] = pointer{v: p.v.Elem().Index(i)}
-	}
-	return s
-}
-
-// setPointerSlice copies []pointer into p as a new []*T.
-// This behavior differs from the implementation in pointer_unsafe.go.
-func (p pointer) setPointerSlice(v []pointer) {
-	if v == nil {
-		p.v.Elem().Set(reflect.New(p.v.Elem().Type()).Elem())
-		return
-	}
-	s := reflect.MakeSlice(p.v.Elem().Type(), 0, len(v))
-	for _, p := range v {
-		s = reflect.Append(s, p.v)
-	}
-	p.v.Elem().Set(s)
-}
-
-// getInterfacePointer returns a pointer that points to the
-// interface data of the interface pointed by p.
-func (p pointer) getInterfacePointer() pointer {
-	if p.v.Elem().IsNil() {
-		return pointer{v: p.v.Elem()}
-	}
-	return pointer{v: p.v.Elem().Elem().Elem().Field(0).Addr()} // *interface -> interface -> *struct -> struct
-}
-
-func (p pointer) asPointerTo(t reflect.Type) reflect.Value {
-	// TODO: check that p.v.Type().Elem() == t?
-	return p.v
-}
-
-func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	return *p
-}
-func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	*p = v
-}
-func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	return *p
-}
-func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	*p = v
-}
-func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	return *p
-}
-func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	*p = v
-}
-func atomicLoadDiscardInfo(p **discardInfo) *discardInfo {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	return *p
-}
-func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) {
-	atomicLock.Lock()
-	defer atomicLock.Unlock()
-	*p = v
-}
-
-var atomicLock sync.Mutex

vendor/github.com/golang/protobuf/proto/pointer_unsafe.go

@@ -1,308 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2012 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// +build !purego,!appengine,!js
-
-// This file contains the implementation of the proto field accesses using package unsafe.
-
-package proto
-
-import (
-	"reflect"
-	"sync/atomic"
-	"unsafe"
-)
-
-const unsafeAllowed = true
-
-// A field identifies a field in a struct, accessible from a pointer.
-// In this implementation, a field is identified by its byte offset from the start of the struct.
-type field uintptr
-
-// toField returns a field equivalent to the given reflect field.
-func toField(f *reflect.StructField) field {
-	return field(f.Offset)
-}
-
-// invalidField is an invalid field identifier.
-const invalidField = ^field(0)
-
-// zeroField is a noop when calling pointer.offset.
-const zeroField = field(0)
-
-// IsValid reports whether the field identifier is valid.
-func (f field) IsValid() bool {
-	return f != invalidField
-}
-
-// The pointer type below is for the new table-driven encoder/decoder.
-// The implementation here uses unsafe.Pointer to create a generic pointer.
-// In pointer_reflect.go we use reflect instead of unsafe to implement
-// the same (but slower) interface.
-type pointer struct {
-	p unsafe.Pointer
-}
-
-// size of pointer
-var ptrSize = unsafe.Sizeof(uintptr(0))
-
-// toPointer converts an interface of pointer type to a pointer
-// that points to the same target.
-func toPointer(i *Message) pointer {
-	// Super-tricky - read pointer out of data word of interface value.
-	// Saves ~25ns over the equivalent:
-	// return valToPointer(reflect.ValueOf(*i))
-	return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
-}
-
-// toAddrPointer converts an interface to a pointer that points to
-// the interface data.
-func toAddrPointer(i *interface{}, isptr bool) pointer {
-	// Super-tricky - read or get the address of data word of interface value.
-	if isptr {
-		// The interface is of pointer type, thus it is a direct interface.
-		// The data word is the pointer data itself. We take its address.
-		return pointer{p: unsafe.Pointer(uintptr(unsafe.Pointer(i)) + ptrSize)}
-	}
-	// The interface is not of pointer type. The data word is the pointer
-	// to the data.
-	return pointer{p: (*[2]unsafe.Pointer)(unsafe.Pointer(i))[1]}
-}
-
-// valToPointer converts v to a pointer. v must be of pointer type.
-func valToPointer(v reflect.Value) pointer {
-	return pointer{p: unsafe.Pointer(v.Pointer())}
-}
-
-// offset converts from a pointer to a structure to a pointer to
-// one of its fields.
-func (p pointer) offset(f field) pointer {
-	// For safety, we should panic if !f.IsValid, however calling panic causes
-	// this to no longer be inlineable, which is a serious performance cost.
-	/*
-		if !f.IsValid() {
-			panic("invalid field")
-		}
-	*/
-	return pointer{p: unsafe.Pointer(uintptr(p.p) + uintptr(f))}
-}
-
-func (p pointer) isNil() bool {
-	return p.p == nil
-}
-
-func (p pointer) toInt64() *int64 {
-	return (*int64)(p.p)
-}
-func (p pointer) toInt64Ptr() **int64 {
-	return (**int64)(p.p)
-}
-func (p pointer) toInt64Slice() *[]int64 {
-	return (*[]int64)(p.p)
-}
-func (p pointer) toInt32() *int32 {
-	return (*int32)(p.p)
-}
-
-// See pointer_reflect.go for why toInt32Ptr/Slice doesn't exist.
-/*
-	func (p pointer) toInt32Ptr() **int32 {
-		return (**int32)(p.p)
-	}
-	func (p pointer) toInt32Slice() *[]int32 {
-		return (*[]int32)(p.p)
-	}
-*/
-func (p pointer) getInt32Ptr() *int32 {
-	return *(**int32)(p.p)
-}
-func (p pointer) setInt32Ptr(v int32) {
-	*(**int32)(p.p) = &v
-}
-
-// getInt32Slice loads a []int32 from p.
-// The value returned is aliased with the original slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) getInt32Slice() []int32 {
-	return *(*[]int32)(p.p)
-}
-
-// setInt32Slice stores a []int32 to p.
-// The value set is aliased with the input slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) setInt32Slice(v []int32) {
-	*(*[]int32)(p.p) = v
-}
-
-// TODO: Can we get rid of appendInt32Slice and use setInt32Slice instead?
-func (p pointer) appendInt32Slice(v int32) {
-	s := (*[]int32)(p.p)
-	*s = append(*s, v)
-}
-
-func (p pointer) toUint64() *uint64 {
-	return (*uint64)(p.p)
-}
-func (p pointer) toUint64Ptr() **uint64 {
-	return (**uint64)(p.p)
-}
-func (p pointer) toUint64Slice() *[]uint64 {
-	return (*[]uint64)(p.p)
-}
-func (p pointer) toUint32() *uint32 {
-	return (*uint32)(p.p)
-}
-func (p pointer) toUint32Ptr() **uint32 {
-	return (**uint32)(p.p)
-}
-func (p pointer) toUint32Slice() *[]uint32 {
-	return (*[]uint32)(p.p)
-}
-func (p pointer) toBool() *bool {
-	return (*bool)(p.p)
-}
-func (p pointer) toBoolPtr() **bool {
-	return (**bool)(p.p)
-}
-func (p pointer) toBoolSlice() *[]bool {
-	return (*[]bool)(p.p)
-}
-func (p pointer) toFloat64() *float64 {
-	return (*float64)(p.p)
-}
-func (p pointer) toFloat64Ptr() **float64 {
-	return (**float64)(p.p)
-}
-func (p pointer) toFloat64Slice() *[]float64 {
-	return (*[]float64)(p.p)
-}
-func (p pointer) toFloat32() *float32 {
-	return (*float32)(p.p)
-}
-func (p pointer) toFloat32Ptr() **float32 {
-	return (**float32)(p.p)
-}
-func (p pointer) toFloat32Slice() *[]float32 {
-	return (*[]float32)(p.p)
-}
-func (p pointer) toString() *string {
-	return (*string)(p.p)
-}
-func (p pointer) toStringPtr() **string {
-	return (**string)(p.p)
-}
-func (p pointer) toStringSlice() *[]string {
-	return (*[]string)(p.p)
-}
-func (p pointer) toBytes() *[]byte {
-	return (*[]byte)(p.p)
-}
-func (p pointer) toBytesSlice() *[][]byte {
-	return (*[][]byte)(p.p)
-}
-func (p pointer) toExtensions() *XXX_InternalExtensions {
-	return (*XXX_InternalExtensions)(p.p)
-}
-func (p pointer) toOldExtensions() *map[int32]Extension {
-	return (*map[int32]Extension)(p.p)
-}
-
-// getPointerSlice loads []*T from p as a []pointer.
-// The value returned is aliased with the original slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) getPointerSlice() []pointer {
-	// Super-tricky - p should point to a []*T where T is a
-	// message type. We load it as []pointer.
-	return *(*[]pointer)(p.p)
-}
-
-// setPointerSlice stores []pointer into p as a []*T.
-// The value set is aliased with the input slice.
-// This behavior differs from the implementation in pointer_reflect.go.
-func (p pointer) setPointerSlice(v []pointer) {
-	// Super-tricky - p should point to a []*T where T is a
-	// message type. We store it as []pointer.
-	*(*[]pointer)(p.p) = v
-}
-
-// getPointer loads the pointer at p and returns it.
-func (p pointer) getPointer() pointer {
-	return pointer{p: *(*unsafe.Pointer)(p.p)}
-}
-
-// setPointer stores the pointer q at p.
-func (p pointer) setPointer(q pointer) {
-	*(*unsafe.Pointer)(p.p) = q.p
-}
-
-// append q to the slice pointed to by p.
-func (p pointer) appendPointer(q pointer) {
-	s := (*[]unsafe.Pointer)(p.p)
-	*s = append(*s, q.p)
-}
-
-// getInterfacePointer returns a pointer that points to the
-// interface data of the interface pointed by p.
-func (p pointer) getInterfacePointer() pointer {
-	// Super-tricky - read pointer out of data word of interface value.
-	return pointer{p: (*(*[2]unsafe.Pointer)(p.p))[1]}
-}
-
-// asPointerTo returns a reflect.Value that is a pointer to an
-// object of type t stored at p.
-func (p pointer) asPointerTo(t reflect.Type) reflect.Value {
-	return reflect.NewAt(t, p.p)
-}
-
-func atomicLoadUnmarshalInfo(p **unmarshalInfo) *unmarshalInfo {
-	return (*unmarshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreUnmarshalInfo(p **unmarshalInfo, v *unmarshalInfo) {
-	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}
-func atomicLoadMarshalInfo(p **marshalInfo) *marshalInfo {
-	return (*marshalInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreMarshalInfo(p **marshalInfo, v *marshalInfo) {
-	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}
-func atomicLoadMergeInfo(p **mergeInfo) *mergeInfo {
-	return (*mergeInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreMergeInfo(p **mergeInfo, v *mergeInfo) {
-	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}
-func atomicLoadDiscardInfo(p **discardInfo) *discardInfo {
-	return (*discardInfo)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreDiscardInfo(p **discardInfo, v *discardInfo) {
-	atomic.StorePointer((*unsafe.Pointer)(unsafe.Pointer(p)), unsafe.Pointer(v))
-}

vendor/github.com/golang/protobuf/proto/properties.go

@@ -1,544 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-/*
- * Routines for encoding data into the wire format for protocol buffers.
- */
-
-import (
-	"fmt"
-	"log"
-	"os"
-	"reflect"
-	"sort"
-	"strconv"
-	"strings"
-	"sync"
-)
-
-const debug bool = false
-
-// Constants that identify the encoding of a value on the wire.
-const (
-	WireVarint     = 0
-	WireFixed64    = 1
-	WireBytes      = 2
-	WireStartGroup = 3
-	WireEndGroup   = 4
-	WireFixed32    = 5
-)
-
-// tagMap is an optimization over map[int]int for typical protocol buffer
-// use-cases. Encoded protocol buffers are often in tag order with small tag
-// numbers.
-type tagMap struct {
-	fastTags []int
-	slowTags map[int]int
-}
-
-// tagMapFastLimit is the upper bound on the tag number that will be stored in
-// the tagMap slice rather than its map.
-const tagMapFastLimit = 1024
-
-func (p *tagMap) get(t int) (int, bool) {
-	if t > 0 && t < tagMapFastLimit {
-		if t >= len(p.fastTags) {
-			return 0, false
-		}
-		fi := p.fastTags[t]
-		return fi, fi >= 0
-	}
-	fi, ok := p.slowTags[t]
-	return fi, ok
-}
-
-func (p *tagMap) put(t int, fi int) {
-	if t > 0 && t < tagMapFastLimit {
-		for len(p.fastTags) < t+1 {
-			p.fastTags = append(p.fastTags, -1)
-		}
-		p.fastTags[t] = fi
-		return
-	}
-	if p.slowTags == nil {
-		p.slowTags = make(map[int]int)
-	}
-	p.slowTags[t] = fi
-}
-
-// StructProperties represents properties for all the fields of a struct.
-// decoderTags and decoderOrigNames should only be used by the decoder.
-type StructProperties struct {
-	Prop             []*Properties  // properties for each field
-	reqCount         int            // required count
-	decoderTags      tagMap         // map from proto tag to struct field number
-	decoderOrigNames map[string]int // map from original name to struct field number
-	order            []int          // list of struct field numbers in tag order
-
-	// OneofTypes contains information about the oneof fields in this message.
-	// It is keyed by the original name of a field.
-	OneofTypes map[string]*OneofProperties
-}
-
-// OneofProperties represents information about a specific field in a oneof.
-type OneofProperties struct {
-	Type  reflect.Type // pointer to generated struct type for this oneof field
-	Field int          // struct field number of the containing oneof in the message
-	Prop  *Properties
-}
-
-// Implement the sorting interface so we can sort the fields in tag order, as recommended by the spec.
-// See encode.go, (*Buffer).enc_struct.
-
-func (sp *StructProperties) Len() int { return len(sp.order) }
-func (sp *StructProperties) Less(i, j int) bool {
-	return sp.Prop[sp.order[i]].Tag < sp.Prop[sp.order[j]].Tag
-}
-func (sp *StructProperties) Swap(i, j int) { sp.order[i], sp.order[j] = sp.order[j], sp.order[i] }
-
-// Properties represents the protocol-specific behavior of a single struct field.
-type Properties struct {
-	Name     string // name of the field, for error messages
-	OrigName string // original name before protocol compiler (always set)
-	JSONName string // name to use for JSON; determined by protoc
-	Wire     string
-	WireType int
-	Tag      int
-	Required bool
-	Optional bool
-	Repeated bool
-	Packed   bool   // relevant for repeated primitives only
-	Enum     string // set for enum types only
-	proto3   bool   // whether this is known to be a proto3 field
-	oneof    bool   // whether this is a oneof field
-
-	Default    string // default value
-	HasDefault bool   // whether an explicit default was provided
-
-	stype reflect.Type      // set for struct types only
-	sprop *StructProperties // set for struct types only
-
-	mtype      reflect.Type // set for map types only
-	MapKeyProp *Properties  // set for map types only
-	MapValProp *Properties  // set for map types only
-}
-
-// String formats the properties in the protobuf struct field tag style.
-func (p *Properties) String() string {
-	s := p.Wire
-	s += ","
-	s += strconv.Itoa(p.Tag)
-	if p.Required {
-		s += ",req"
-	}
-	if p.Optional {
-		s += ",opt"
-	}
-	if p.Repeated {
-		s += ",rep"
-	}
-	if p.Packed {
-		s += ",packed"
-	}
-	s += ",name=" + p.OrigName
-	if p.JSONName != p.OrigName {
-		s += ",json=" + p.JSONName
-	}
-	if p.proto3 {
-		s += ",proto3"
-	}
-	if p.oneof {
-		s += ",oneof"
-	}
-	if len(p.Enum) > 0 {
-		s += ",enum=" + p.Enum
-	}
-	if p.HasDefault {
-		s += ",def=" + p.Default
-	}
-	return s
-}
-
-// Parse populates p by parsing a string in the protobuf struct field tag style.
-func (p *Properties) Parse(s string) {
-	// "bytes,49,opt,name=foo,def=hello!"
-	fields := strings.Split(s, ",") // breaks def=, but handled below.
-	if len(fields) < 2 {
-		fmt.Fprintf(os.Stderr, "proto: tag has too few fields: %q\n", s)
-		return
-	}
-
-	p.Wire = fields[0]
-	switch p.Wire {
-	case "varint":
-		p.WireType = WireVarint
-	case "fixed32":
-		p.WireType = WireFixed32
-	case "fixed64":
-		p.WireType = WireFixed64
-	case "zigzag32":
-		p.WireType = WireVarint
-	case "zigzag64":
-		p.WireType = WireVarint
-	case "bytes", "group":
-		p.WireType = WireBytes
-		// no numeric converter for non-numeric types
-	default:
-		fmt.Fprintf(os.Stderr, "proto: tag has unknown wire type: %q\n", s)
-		return
-	}
-
-	var err error
-	p.Tag, err = strconv.Atoi(fields[1])
-	if err != nil {
-		return
-	}
-
-outer:
-	for i := 2; i < len(fields); i++ {
-		f := fields[i]
-		switch {
-		case f == "req":
-			p.Required = true
-		case f == "opt":
-			p.Optional = true
-		case f == "rep":
-			p.Repeated = true
-		case f == "packed":
-			p.Packed = true
-		case strings.HasPrefix(f, "name="):
-			p.OrigName = f[5:]
-		case strings.HasPrefix(f, "json="):
-			p.JSONName = f[5:]
-		case strings.HasPrefix(f, "enum="):
-			p.Enum = f[5:]
-		case f == "proto3":
-			p.proto3 = true
-		case f == "oneof":
-			p.oneof = true
-		case strings.HasPrefix(f, "def="):
-			p.HasDefault = true
-			p.Default = f[4:] // rest of string
-			if i+1 < len(fields) {
-				// Commas aren't escaped, and def is always last.
-				p.Default += "," + strings.Join(fields[i+1:], ",")
-				break outer
-			}
-		}
-	}
-}
-
-var protoMessageType = reflect.TypeOf((*Message)(nil)).Elem()
-
-// setFieldProps initializes the field properties for submessages and maps.
-func (p *Properties) setFieldProps(typ reflect.Type, f *reflect.StructField, lockGetProp bool) {
-	switch t1 := typ; t1.Kind() {
-	case reflect.Ptr:
-		if t1.Elem().Kind() == reflect.Struct {
-			p.stype = t1.Elem()
-		}
-
-	case reflect.Slice:
-		if t2 := t1.Elem(); t2.Kind() == reflect.Ptr && t2.Elem().Kind() == reflect.Struct {
-			p.stype = t2.Elem()
-		}
-
-	case reflect.Map:
-		p.mtype = t1
-		p.MapKeyProp = &Properties{}
-		p.MapKeyProp.init(reflect.PtrTo(p.mtype.Key()), "Key", f.Tag.Get("protobuf_key"), nil, lockGetProp)
-		p.MapValProp = &Properties{}
-		vtype := p.mtype.Elem()
-		if vtype.Kind() != reflect.Ptr && vtype.Kind() != reflect.Slice {
-			// The value type is not a message (*T) or bytes ([]byte),
-			// so we need encoders for the pointer to this type.
-			vtype = reflect.PtrTo(vtype)
-		}
-		p.MapValProp.init(vtype, "Value", f.Tag.Get("protobuf_val"), nil, lockGetProp)
-	}
-
-	if p.stype != nil {
-		if lockGetProp {
-			p.sprop = GetProperties(p.stype)
-		} else {
-			p.sprop = getPropertiesLocked(p.stype)
-		}
-	}
-}
-
-var (
-	marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem()
-)
-
-// Init populates the properties from a protocol buffer struct tag.
-func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) {
-	p.init(typ, name, tag, f, true)
-}
-
-func (p *Properties) init(typ reflect.Type, name, tag string, f *reflect.StructField, lockGetProp bool) {
-	// "bytes,49,opt,def=hello!"
-	p.Name = name
-	p.OrigName = name
-	if tag == "" {
-		return
-	}
-	p.Parse(tag)
-	p.setFieldProps(typ, f, lockGetProp)
-}
-
-var (
-	propertiesMu  sync.RWMutex
-	propertiesMap = make(map[reflect.Type]*StructProperties)
-)
-
-// GetProperties returns the list of properties for the type represented by t.
-// t must represent a generated struct type of a protocol message.
-func GetProperties(t reflect.Type) *StructProperties {
-	if t.Kind() != reflect.Struct {
-		panic("proto: type must have kind struct")
-	}
-
-	// Most calls to GetProperties in a long-running program will be
-	// retrieving details for types we have seen before.
-	propertiesMu.RLock()
-	sprop, ok := propertiesMap[t]
-	propertiesMu.RUnlock()
-	if ok {
-		if collectStats {
-			stats.Chit++
-		}
-		return sprop
-	}
-
-	propertiesMu.Lock()
-	sprop = getPropertiesLocked(t)
-	propertiesMu.Unlock()
-	return sprop
-}
-
-// getPropertiesLocked requires that propertiesMu is held.
-func getPropertiesLocked(t reflect.Type) *StructProperties {
-	if prop, ok := propertiesMap[t]; ok {
-		if collectStats {
-			stats.Chit++
-		}
-		return prop
-	}
-	if collectStats {
-		stats.Cmiss++
-	}
-
-	prop := new(StructProperties)
-	// in case of recursive protos, fill this in now.
-	propertiesMap[t] = prop
-
-	// build properties
-	prop.Prop = make([]*Properties, t.NumField())
-	prop.order = make([]int, t.NumField())
-
-	for i := 0; i < t.NumField(); i++ {
-		f := t.Field(i)
-		p := new(Properties)
-		name := f.Name
-		p.init(f.Type, name, f.Tag.Get("protobuf"), &f, false)
-
-		oneof := f.Tag.Get("protobuf_oneof") // special case
-		if oneof != "" {
-			// Oneof fields don't use the traditional protobuf tag.
-			p.OrigName = oneof
-		}
-		prop.Prop[i] = p
-		prop.order[i] = i
-		if debug {
-			print(i, " ", f.Name, " ", t.String(), " ")
-			if p.Tag > 0 {
-				print(p.String())
-			}
-			print("\n")
-		}
-	}
-
-	// Re-order prop.order.
-	sort.Sort(prop)
-
-	type oneofMessage interface {
-		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
-	}
-	if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
-		var oots []interface{}
-		_, _, _, oots = om.XXX_OneofFuncs()
-
-		// Interpret oneof metadata.
-		prop.OneofTypes = make(map[string]*OneofProperties)
-		for _, oot := range oots {
-			oop := &OneofProperties{
-				Type: reflect.ValueOf(oot).Type(), // *T
-				Prop: new(Properties),
-			}
-			sft := oop.Type.Elem().Field(0)
-			oop.Prop.Name = sft.Name
-			oop.Prop.Parse(sft.Tag.Get("protobuf"))
-			// There will be exactly one interface field that
-			// this new value is assignable to.
-			for i := 0; i < t.NumField(); i++ {
-				f := t.Field(i)
-				if f.Type.Kind() != reflect.Interface {
-					continue
-				}
-				if !oop.Type.AssignableTo(f.Type) {
-					continue
-				}
-				oop.Field = i
-				break
-			}
-			prop.OneofTypes[oop.Prop.OrigName] = oop
-		}
-	}
-
-	// build required counts
-	// build tags
-	reqCount := 0
-	prop.decoderOrigNames = make(map[string]int)
-	for i, p := range prop.Prop {
-		if strings.HasPrefix(p.Name, "XXX_") {
-			// Internal fields should not appear in tags/origNames maps.
-			// They are handled specially when encoding and decoding.
-			continue
-		}
-		if p.Required {
-			reqCount++
-		}
-		prop.decoderTags.put(p.Tag, i)
-		prop.decoderOrigNames[p.OrigName] = i
-	}
-	prop.reqCount = reqCount
-
-	return prop
-}
-
-// A global registry of enum types.
-// The generated code will register the generated maps by calling RegisterEnum.
-
-var enumValueMaps = make(map[string]map[string]int32)
-
-// RegisterEnum is called from the generated code to install the enum descriptor
-// maps into the global table to aid parsing text format protocol buffers.
-func RegisterEnum(typeName string, unusedNameMap map[int32]string, valueMap map[string]int32) {
-	if _, ok := enumValueMaps[typeName]; ok {
-		panic("proto: duplicate enum registered: " + typeName)
-	}
-	enumValueMaps[typeName] = valueMap
-}
-
-// EnumValueMap returns the mapping from names to integers of the
-// enum type enumType, or a nil if not found.
-func EnumValueMap(enumType string) map[string]int32 {
-	return enumValueMaps[enumType]
-}
-
-// A registry of all linked message types.
-// The string is a fully-qualified proto name ("pkg.Message").
-var (
-	protoTypedNils = make(map[string]Message)      // a map from proto names to typed nil pointers
-	protoMapTypes  = make(map[string]reflect.Type) // a map from proto names to map types
-	revProtoTypes  = make(map[reflect.Type]string)
-)
-
-// RegisterType is called from generated code and maps from the fully qualified
-// proto name to the type (pointer to struct) of the protocol buffer.
-func RegisterType(x Message, name string) {
-	if _, ok := protoTypedNils[name]; ok {
-		// TODO: Some day, make this a panic.
-		log.Printf("proto: duplicate proto type registered: %s", name)
-		return
-	}
-	t := reflect.TypeOf(x)
-	if v := reflect.ValueOf(x); v.Kind() == reflect.Ptr && v.Pointer() == 0 {
-		// Generated code always calls RegisterType with nil x.
-		// This check is just for extra safety.
-		protoTypedNils[name] = x
-	} else {
-		protoTypedNils[name] = reflect.Zero(t).Interface().(Message)
-	}
-	revProtoTypes[t] = name
-}
-
-// RegisterMapType is called from generated code and maps from the fully qualified
-// proto name to the native map type of the proto map definition.
-func RegisterMapType(x interface{}, name string) {
-	if reflect.TypeOf(x).Kind() != reflect.Map {
-		panic(fmt.Sprintf("RegisterMapType(%T, %q); want map", x, name))
-	}
-	if _, ok := protoMapTypes[name]; ok {
-		log.Printf("proto: duplicate proto type registered: %s", name)
-		return
-	}
-	t := reflect.TypeOf(x)
-	protoMapTypes[name] = t
-	revProtoTypes[t] = name
-}
-
-// MessageName returns the fully-qualified proto name for the given message type.
-func MessageName(x Message) string {
-	type xname interface {
-		XXX_MessageName() string
-	}
-	if m, ok := x.(xname); ok {
-		return m.XXX_MessageName()
-	}
-	return revProtoTypes[reflect.TypeOf(x)]
-}
-
-// MessageType returns the message type (pointer to struct) for a named message.
-// The type is not guaranteed to implement proto.Message if the name refers to a
-// map entry.
-func MessageType(name string) reflect.Type {
-	if t, ok := protoTypedNils[name]; ok {
-		return reflect.TypeOf(t)
-	}
-	return protoMapTypes[name]
-}
-
-// A registry of all linked proto files.
-var (
-	protoFiles = make(map[string][]byte) // file name => fileDescriptor
-)
-
-// RegisterFile is called from generated code and maps from the
-// full file name of a .proto file to its compressed FileDescriptorProto.
-func RegisterFile(filename string, fileDescriptor []byte) {
-	protoFiles[filename] = fileDescriptor
-}
-
-// FileDescriptor returns the compressed FileDescriptorProto for a .proto file.
-func FileDescriptor(filename string) []byte { return protoFiles[filename] }

vendor/github.com/golang/protobuf/proto/table_marshal.go

@@ -1,2767 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2016 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-import (
-	"errors"
-	"fmt"
-	"math"
-	"reflect"
-	"sort"
-	"strconv"
-	"strings"
-	"sync"
-	"sync/atomic"
-	"unicode/utf8"
-)
-
-// a sizer takes a pointer to a field and the size of its tag, computes the size of
-// the encoded data.
-type sizer func(pointer, int) int
-
-// a marshaler takes a byte slice, a pointer to a field, and its tag (in wire format),
-// marshals the field to the end of the slice, returns the slice and error (if any).
-type marshaler func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error)
-
-// marshalInfo is the information used for marshaling a message.
-type marshalInfo struct {
-	typ          reflect.Type
-	fields       []*marshalFieldInfo
-	unrecognized field                      // offset of XXX_unrecognized
-	extensions   field                      // offset of XXX_InternalExtensions
-	v1extensions field                      // offset of XXX_extensions
-	sizecache    field                      // offset of XXX_sizecache
-	initialized  int32                      // 0 -- only typ is set, 1 -- fully initialized
-	messageset   bool                       // uses message set wire format
-	hasmarshaler bool                       // has custom marshaler
-	sync.RWMutex                            // protect extElems map, also for initialization
-	extElems     map[int32]*marshalElemInfo // info of extension elements
-}
-
-// marshalFieldInfo is the information used for marshaling a field of a message.
-type marshalFieldInfo struct {
-	field      field
-	wiretag    uint64 // tag in wire format
-	tagsize    int    // size of tag in wire format
-	sizer      sizer
-	marshaler  marshaler
-	isPointer  bool
-	required   bool                              // field is required
-	name       string                            // name of the field, for error reporting
-	oneofElems map[reflect.Type]*marshalElemInfo // info of oneof elements
-}
-
-// marshalElemInfo is the information used for marshaling an extension or oneof element.
-type marshalElemInfo struct {
-	wiretag   uint64 // tag in wire format
-	tagsize   int    // size of tag in wire format
-	sizer     sizer
-	marshaler marshaler
-	isptr     bool // elem is pointer typed, thus interface of this type is a direct interface (extension only)
-}
-
-var (
-	marshalInfoMap  = map[reflect.Type]*marshalInfo{}
-	marshalInfoLock sync.Mutex
-)
-
-// getMarshalInfo returns the information to marshal a given type of message.
-// The info it returns may not necessarily initialized.
-// t is the type of the message (NOT the pointer to it).
-func getMarshalInfo(t reflect.Type) *marshalInfo {
-	marshalInfoLock.Lock()
-	u, ok := marshalInfoMap[t]
-	if !ok {
-		u = &marshalInfo{typ: t}
-		marshalInfoMap[t] = u
-	}
-	marshalInfoLock.Unlock()
-	return u
-}
-
-// Size is the entry point from generated code,
-// and should be ONLY called by generated code.
-// It computes the size of encoded data of msg.
-// a is a pointer to a place to store cached marshal info.
-func (a *InternalMessageInfo) Size(msg Message) int {
-	u := getMessageMarshalInfo(msg, a)
-	ptr := toPointer(&msg)
-	if ptr.isNil() {
-		// We get here if msg is a typed nil ((*SomeMessage)(nil)),
-		// so it satisfies the interface, and msg == nil wouldn't
-		// catch it. We don't want crash in this case.
-		return 0
-	}
-	return u.size(ptr)
-}
-
-// Marshal is the entry point from generated code,
-// and should be ONLY called by generated code.
-// It marshals msg to the end of b.
-// a is a pointer to a place to store cached marshal info.
-func (a *InternalMessageInfo) Marshal(b []byte, msg Message, deterministic bool) ([]byte, error) {
-	u := getMessageMarshalInfo(msg, a)
-	ptr := toPointer(&msg)
-	if ptr.isNil() {
-		// We get here if msg is a typed nil ((*SomeMessage)(nil)),
-		// so it satisfies the interface, and msg == nil wouldn't
-		// catch it. We don't want crash in this case.
-		return b, ErrNil
-	}
-	return u.marshal(b, ptr, deterministic)
-}
-
-func getMessageMarshalInfo(msg interface{}, a *InternalMessageInfo) *marshalInfo {
-	// u := a.marshal, but atomically.
-	// We use an atomic here to ensure memory consistency.
-	u := atomicLoadMarshalInfo(&a.marshal)
-	if u == nil {
-		// Get marshal information from type of message.
-		t := reflect.ValueOf(msg).Type()
-		if t.Kind() != reflect.Ptr {
-			panic(fmt.Sprintf("cannot handle non-pointer message type %v", t))
-		}
-		u = getMarshalInfo(t.Elem())
-		// Store it in the cache for later users.
-		// a.marshal = u, but atomically.
-		atomicStoreMarshalInfo(&a.marshal, u)
-	}
-	return u
-}
-
-// size is the main function to compute the size of the encoded data of a message.
-// ptr is the pointer to the message.
-func (u *marshalInfo) size(ptr pointer) int {
-	if atomic.LoadInt32(&u.initialized) == 0 {
-		u.computeMarshalInfo()
-	}
-
-	// If the message can marshal itself, let it do it, for compatibility.
-	// NOTE: This is not efficient.
-	if u.hasmarshaler {
-		m := ptr.asPointerTo(u.typ).Interface().(Marshaler)
-		b, _ := m.Marshal()
-		return len(b)
-	}
-
-	n := 0
-	for _, f := range u.fields {
-		if f.isPointer && ptr.offset(f.field).getPointer().isNil() {
-			// nil pointer always marshals to nothing
-			continue
-		}
-		n += f.sizer(ptr.offset(f.field), f.tagsize)
-	}
-	if u.extensions.IsValid() {
-		e := ptr.offset(u.extensions).toExtensions()
-		if u.messageset {
-			n += u.sizeMessageSet(e)
-		} else {
-			n += u.sizeExtensions(e)
-		}
-	}
-	if u.v1extensions.IsValid() {
-		m := *ptr.offset(u.v1extensions).toOldExtensions()
-		n += u.sizeV1Extensions(m)
-	}
-	if u.unrecognized.IsValid() {
-		s := *ptr.offset(u.unrecognized).toBytes()
-		n += len(s)
-	}
-	// cache the result for use in marshal
-	if u.sizecache.IsValid() {
-		atomic.StoreInt32(ptr.offset(u.sizecache).toInt32(), int32(n))
-	}
-	return n
-}
-
-// cachedsize gets the size from cache. If there is no cache (i.e. message is not generated),
-// fall back to compute the size.
-func (u *marshalInfo) cachedsize(ptr pointer) int {
-	if u.sizecache.IsValid() {
-		return int(atomic.LoadInt32(ptr.offset(u.sizecache).toInt32()))
-	}
-	return u.size(ptr)
-}
-
-// marshal is the main function to marshal a message. It takes a byte slice and appends
-// the encoded data to the end of the slice, returns the slice and error (if any).
-// ptr is the pointer to the message.
-// If deterministic is true, map is marshaled in deterministic order.
-func (u *marshalInfo) marshal(b []byte, ptr pointer, deterministic bool) ([]byte, error) {
-	if atomic.LoadInt32(&u.initialized) == 0 {
-		u.computeMarshalInfo()
-	}
-
-	// If the message can marshal itself, let it do it, for compatibility.
-	// NOTE: This is not efficient.
-	if u.hasmarshaler {
-		m := ptr.asPointerTo(u.typ).Interface().(Marshaler)
-		b1, err := m.Marshal()
-		b = append(b, b1...)
-		return b, err
-	}
-
-	var err, errLater error
-	// The old marshaler encodes extensions at beginning.
-	if u.extensions.IsValid() {
-		e := ptr.offset(u.extensions).toExtensions()
-		if u.messageset {
-			b, err = u.appendMessageSet(b, e, deterministic)
-		} else {
-			b, err = u.appendExtensions(b, e, deterministic)
-		}
-		if err != nil {
-			return b, err
-		}
-	}
-	if u.v1extensions.IsValid() {
-		m := *ptr.offset(u.v1extensions).toOldExtensions()
-		b, err = u.appendV1Extensions(b, m, deterministic)
-		if err != nil {
-			return b, err
-		}
-	}
-	for _, f := range u.fields {
-		if f.required {
-			if ptr.offset(f.field).getPointer().isNil() {
-				// Required field is not set.
-				// We record the error but keep going, to give a complete marshaling.
-				if errLater == nil {
-					errLater = &RequiredNotSetError{f.name}
-				}
-				continue
-			}
-		}
-		if f.isPointer && ptr.offset(f.field).getPointer().isNil() {
-			// nil pointer always marshals to nothing
-			continue
-		}
-		b, err = f.marshaler(b, ptr.offset(f.field), f.wiretag, deterministic)
-		if err != nil {
-			if err1, ok := err.(*RequiredNotSetError); ok {
-				// Required field in submessage is not set.
-				// We record the error but keep going, to give a complete marshaling.
-				if errLater == nil {
-					errLater = &RequiredNotSetError{f.name + "." + err1.field}
-				}
-				continue
-			}
-			if err == errRepeatedHasNil {
-				err = errors.New("proto: repeated field " + f.name + " has nil element")
-			}
-			if err == errInvalidUTF8 {
-				if errLater == nil {
-					fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name
-					errLater = &invalidUTF8Error{fullName}
-				}
-				continue
-			}
-			return b, err
-		}
-	}
-	if u.unrecognized.IsValid() {
-		s := *ptr.offset(u.unrecognized).toBytes()
-		b = append(b, s...)
-	}
-	return b, errLater
-}
-
-// computeMarshalInfo initializes the marshal info.
-func (u *marshalInfo) computeMarshalInfo() {
-	u.Lock()
-	defer u.Unlock()
-	if u.initialized != 0 { // non-atomic read is ok as it is protected by the lock
-		return
-	}
-
-	t := u.typ
-	u.unrecognized = invalidField
-	u.extensions = invalidField
-	u.v1extensions = invalidField
-	u.sizecache = invalidField
-
-	// If the message can marshal itself, let it do it, for compatibility.
-	// NOTE: This is not efficient.
-	if reflect.PtrTo(t).Implements(marshalerType) {
-		u.hasmarshaler = true
-		atomic.StoreInt32(&u.initialized, 1)
-		return
-	}
-
-	// get oneof implementers
-	var oneofImplementers []interface{}
-	if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok {
-		_, _, _, oneofImplementers = m.XXX_OneofFuncs()
-	}
-
-	n := t.NumField()
-
-	// deal with XXX fields first
-	for i := 0; i < t.NumField(); i++ {
-		f := t.Field(i)
-		if !strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-		switch f.Name {
-		case "XXX_sizecache":
-			u.sizecache = toField(&f)
-		case "XXX_unrecognized":
-			u.unrecognized = toField(&f)
-		case "XXX_InternalExtensions":
-			u.extensions = toField(&f)
-			u.messageset = f.Tag.Get("protobuf_messageset") == "1"
-		case "XXX_extensions":
-			u.v1extensions = toField(&f)
-		case "XXX_NoUnkeyedLiteral":
-			// nothing to do
-		default:
-			panic("unknown XXX field: " + f.Name)
-		}
-		n--
-	}
-
-	// normal fields
-	fields := make([]marshalFieldInfo, n) // batch allocation
-	u.fields = make([]*marshalFieldInfo, 0, n)
-	for i, j := 0, 0; i < t.NumField(); i++ {
-		f := t.Field(i)
-
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-		field := &fields[j]
-		j++
-		field.name = f.Name
-		u.fields = append(u.fields, field)
-		if f.Tag.Get("protobuf_oneof") != "" {
-			field.computeOneofFieldInfo(&f, oneofImplementers)
-			continue
-		}
-		if f.Tag.Get("protobuf") == "" {
-			// field has no tag (not in generated message), ignore it
-			u.fields = u.fields[:len(u.fields)-1]
-			j--
-			continue
-		}
-		field.computeMarshalFieldInfo(&f)
-	}
-
-	// fields are marshaled in tag order on the wire.
-	sort.Sort(byTag(u.fields))
-
-	atomic.StoreInt32(&u.initialized, 1)
-}
-
-// helper for sorting fields by tag
-type byTag []*marshalFieldInfo
-
-func (a byTag) Len() int           { return len(a) }
-func (a byTag) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
-func (a byTag) Less(i, j int) bool { return a[i].wiretag < a[j].wiretag }
-
-// getExtElemInfo returns the information to marshal an extension element.
-// The info it returns is initialized.
-func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo {
-	// get from cache first
-	u.RLock()
-	e, ok := u.extElems[desc.Field]
-	u.RUnlock()
-	if ok {
-		return e
-	}
-
-	t := reflect.TypeOf(desc.ExtensionType) // pointer or slice to basic type or struct
-	tags := strings.Split(desc.Tag, ",")
-	tag, err := strconv.Atoi(tags[1])
-	if err != nil {
-		panic("tag is not an integer")
-	}
-	wt := wiretype(tags[0])
-	sizer, marshaler := typeMarshaler(t, tags, false, false)
-	e = &marshalElemInfo{
-		wiretag:   uint64(tag)<<3 | wt,
-		tagsize:   SizeVarint(uint64(tag) << 3),
-		sizer:     sizer,
-		marshaler: marshaler,
-		isptr:     t.Kind() == reflect.Ptr,
-	}
-
-	// update cache
-	u.Lock()
-	if u.extElems == nil {
-		u.extElems = make(map[int32]*marshalElemInfo)
-	}
-	u.extElems[desc.Field] = e
-	u.Unlock()
-	return e
-}
-
-// computeMarshalFieldInfo fills up the information to marshal a field.
-func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) {
-	// parse protobuf tag of the field.
-	// tag has format of "bytes,49,opt,name=foo,def=hello!"
-	tags := strings.Split(f.Tag.Get("protobuf"), ",")
-	if tags[0] == "" {
-		return
-	}
-	tag, err := strconv.Atoi(tags[1])
-	if err != nil {
-		panic("tag is not an integer")
-	}
-	wt := wiretype(tags[0])
-	if tags[2] == "req" {
-		fi.required = true
-	}
-	fi.setTag(f, tag, wt)
-	fi.setMarshaler(f, tags)
-}
-
-func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
-	fi.field = toField(f)
-	fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
-	fi.isPointer = true
-	fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
-	fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
-
-	ityp := f.Type // interface type
-	for _, o := range oneofImplementers {
-		t := reflect.TypeOf(o)
-		if !t.Implements(ityp) {
-			continue
-		}
-		sf := t.Elem().Field(0) // oneof implementer is a struct with a single field
-		tags := strings.Split(sf.Tag.Get("protobuf"), ",")
-		tag, err := strconv.Atoi(tags[1])
-		if err != nil {
-			panic("tag is not an integer")
-		}
-		wt := wiretype(tags[0])
-		sizer, marshaler := typeMarshaler(sf.Type, tags, false, true) // oneof should not omit any zero value
-		fi.oneofElems[t.Elem()] = &marshalElemInfo{
-			wiretag:   uint64(tag)<<3 | wt,
-			tagsize:   SizeVarint(uint64(tag) << 3),
-			sizer:     sizer,
-			marshaler: marshaler,
-		}
-	}
-}
-
-type oneofMessage interface {
-	XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
-}
-
-// wiretype returns the wire encoding of the type.
-func wiretype(encoding string) uint64 {
-	switch encoding {
-	case "fixed32":
-		return WireFixed32
-	case "fixed64":
-		return WireFixed64
-	case "varint", "zigzag32", "zigzag64":
-		return WireVarint
-	case "bytes":
-		return WireBytes
-	case "group":
-		return WireStartGroup
-	}
-	panic("unknown wire type " + encoding)
-}
-
-// setTag fills up the tag (in wire format) and its size in the info of a field.
-func (fi *marshalFieldInfo) setTag(f *reflect.StructField, tag int, wt uint64) {
-	fi.field = toField(f)
-	fi.wiretag = uint64(tag)<<3 | wt
-	fi.tagsize = SizeVarint(uint64(tag) << 3)
-}
-
-// setMarshaler fills up the sizer and marshaler in the info of a field.
-func (fi *marshalFieldInfo) setMarshaler(f *reflect.StructField, tags []string) {
-	switch f.Type.Kind() {
-	case reflect.Map:
-		// map field
-		fi.isPointer = true
-		fi.sizer, fi.marshaler = makeMapMarshaler(f)
-		return
-	case reflect.Ptr, reflect.Slice:
-		fi.isPointer = true
-	}
-	fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, true, false)
-}
-
-// typeMarshaler returns the sizer and marshaler of a given field.
-// t is the type of the field.
-// tags is the generated "protobuf" tag of the field.
-// If nozero is true, zero value is not marshaled to the wire.
-// If oneof is true, it is a oneof field.
-func typeMarshaler(t reflect.Type, tags []string, nozero, oneof bool) (sizer, marshaler) {
-	encoding := tags[0]
-
-	pointer := false
-	slice := false
-	if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
-		slice = true
-		t = t.Elem()
-	}
-	if t.Kind() == reflect.Ptr {
-		pointer = true
-		t = t.Elem()
-	}
-
-	packed := false
-	proto3 := false
-	validateUTF8 := true
-	for i := 2; i < len(tags); i++ {
-		if tags[i] == "packed" {
-			packed = true
-		}
-		if tags[i] == "proto3" {
-			proto3 = true
-		}
-	}
-	validateUTF8 = validateUTF8 && proto3
-
-	switch t.Kind() {
-	case reflect.Bool:
-		if pointer {
-			return sizeBoolPtr, appendBoolPtr
-		}
-		if slice {
-			if packed {
-				return sizeBoolPackedSlice, appendBoolPackedSlice
-			}
-			return sizeBoolSlice, appendBoolSlice
-		}
-		if nozero {
-			return sizeBoolValueNoZero, appendBoolValueNoZero
-		}
-		return sizeBoolValue, appendBoolValue
-	case reflect.Uint32:
-		switch encoding {
-		case "fixed32":
-			if pointer {
-				return sizeFixed32Ptr, appendFixed32Ptr
-			}
-			if slice {
-				if packed {
-					return sizeFixed32PackedSlice, appendFixed32PackedSlice
-				}
-				return sizeFixed32Slice, appendFixed32Slice
-			}
-			if nozero {
-				return sizeFixed32ValueNoZero, appendFixed32ValueNoZero
-			}
-			return sizeFixed32Value, appendFixed32Value
-		case "varint":
-			if pointer {
-				return sizeVarint32Ptr, appendVarint32Ptr
-			}
-			if slice {
-				if packed {
-					return sizeVarint32PackedSlice, appendVarint32PackedSlice
-				}
-				return sizeVarint32Slice, appendVarint32Slice
-			}
-			if nozero {
-				return sizeVarint32ValueNoZero, appendVarint32ValueNoZero
-			}
-			return sizeVarint32Value, appendVarint32Value
-		}
-	case reflect.Int32:
-		switch encoding {
-		case "fixed32":
-			if pointer {
-				return sizeFixedS32Ptr, appendFixedS32Ptr
-			}
-			if slice {
-				if packed {
-					return sizeFixedS32PackedSlice, appendFixedS32PackedSlice
-				}
-				return sizeFixedS32Slice, appendFixedS32Slice
-			}
-			if nozero {
-				return sizeFixedS32ValueNoZero, appendFixedS32ValueNoZero
-			}
-			return sizeFixedS32Value, appendFixedS32Value
-		case "varint":
-			if pointer {
-				return sizeVarintS32Ptr, appendVarintS32Ptr
-			}
-			if slice {
-				if packed {
-					return sizeVarintS32PackedSlice, appendVarintS32PackedSlice
-				}
-				return sizeVarintS32Slice, appendVarintS32Slice
-			}
-			if nozero {
-				return sizeVarintS32ValueNoZero, appendVarintS32ValueNoZero
-			}
-			return sizeVarintS32Value, appendVarintS32Value
-		case "zigzag32":
-			if pointer {
-				return sizeZigzag32Ptr, appendZigzag32Ptr
-			}
-			if slice {
-				if packed {
-					return sizeZigzag32PackedSlice, appendZigzag32PackedSlice
-				}
-				return sizeZigzag32Slice, appendZigzag32Slice
-			}
-			if nozero {
-				return sizeZigzag32ValueNoZero, appendZigzag32ValueNoZero
-			}
-			return sizeZigzag32Value, appendZigzag32Value
-		}
-	case reflect.Uint64:
-		switch encoding {
-		case "fixed64":
-			if pointer {
-				return sizeFixed64Ptr, appendFixed64Ptr
-			}
-			if slice {
-				if packed {
-					return sizeFixed64PackedSlice, appendFixed64PackedSlice
-				}
-				return sizeFixed64Slice, appendFixed64Slice
-			}
-			if nozero {
-				return sizeFixed64ValueNoZero, appendFixed64ValueNoZero
-			}
-			return sizeFixed64Value, appendFixed64Value
-		case "varint":
-			if pointer {
-				return sizeVarint64Ptr, appendVarint64Ptr
-			}
-			if slice {
-				if packed {
-					return sizeVarint64PackedSlice, appendVarint64PackedSlice
-				}
-				return sizeVarint64Slice, appendVarint64Slice
-			}
-			if nozero {
-				return sizeVarint64ValueNoZero, appendVarint64ValueNoZero
-			}
-			return sizeVarint64Value, appendVarint64Value
-		}
-	case reflect.Int64:
-		switch encoding {
-		case "fixed64":
-			if pointer {
-				return sizeFixedS64Ptr, appendFixedS64Ptr
-			}
-			if slice {
-				if packed {
-					return sizeFixedS64PackedSlice, appendFixedS64PackedSlice
-				}
-				return sizeFixedS64Slice, appendFixedS64Slice
-			}
-			if nozero {
-				return sizeFixedS64ValueNoZero, appendFixedS64ValueNoZero
-			}
-			return sizeFixedS64Value, appendFixedS64Value
-		case "varint":
-			if pointer {
-				return sizeVarintS64Ptr, appendVarintS64Ptr
-			}
-			if slice {
-				if packed {
-					return sizeVarintS64PackedSlice, appendVarintS64PackedSlice
-				}
-				return sizeVarintS64Slice, appendVarintS64Slice
-			}
-			if nozero {
-				return sizeVarintS64ValueNoZero, appendVarintS64ValueNoZero
-			}
-			return sizeVarintS64Value, appendVarintS64Value
-		case "zigzag64":
-			if pointer {
-				return sizeZigzag64Ptr, appendZigzag64Ptr
-			}
-			if slice {
-				if packed {
-					return sizeZigzag64PackedSlice, appendZigzag64PackedSlice
-				}
-				return sizeZigzag64Slice, appendZigzag64Slice
-			}
-			if nozero {
-				return sizeZigzag64ValueNoZero, appendZigzag64ValueNoZero
-			}
-			return sizeZigzag64Value, appendZigzag64Value
-		}
-	case reflect.Float32:
-		if pointer {
-			return sizeFloat32Ptr, appendFloat32Ptr
-		}
-		if slice {
-			if packed {
-				return sizeFloat32PackedSlice, appendFloat32PackedSlice
-			}
-			return sizeFloat32Slice, appendFloat32Slice
-		}
-		if nozero {
-			return sizeFloat32ValueNoZero, appendFloat32ValueNoZero
-		}
-		return sizeFloat32Value, appendFloat32Value
-	case reflect.Float64:
-		if pointer {
-			return sizeFloat64Ptr, appendFloat64Ptr
-		}
-		if slice {
-			if packed {
-				return sizeFloat64PackedSlice, appendFloat64PackedSlice
-			}
-			return sizeFloat64Slice, appendFloat64Slice
-		}
-		if nozero {
-			return sizeFloat64ValueNoZero, appendFloat64ValueNoZero
-		}
-		return sizeFloat64Value, appendFloat64Value
-	case reflect.String:
-		if validateUTF8 {
-			if pointer {
-				return sizeStringPtr, appendUTF8StringPtr
-			}
-			if slice {
-				return sizeStringSlice, appendUTF8StringSlice
-			}
-			if nozero {
-				return sizeStringValueNoZero, appendUTF8StringValueNoZero
-			}
-			return sizeStringValue, appendUTF8StringValue
-		}
-		if pointer {
-			return sizeStringPtr, appendStringPtr
-		}
-		if slice {
-			return sizeStringSlice, appendStringSlice
-		}
-		if nozero {
-			return sizeStringValueNoZero, appendStringValueNoZero
-		}
-		return sizeStringValue, appendStringValue
-	case reflect.Slice:
-		if slice {
-			return sizeBytesSlice, appendBytesSlice
-		}
-		if oneof {
-			// Oneof bytes field may also have "proto3" tag.
-			// We want to marshal it as a oneof field. Do this
-			// check before the proto3 check.
-			return sizeBytesOneof, appendBytesOneof
-		}
-		if proto3 {
-			return sizeBytes3, appendBytes3
-		}
-		return sizeBytes, appendBytes
-	case reflect.Struct:
-		switch encoding {
-		case "group":
-			if slice {
-				return makeGroupSliceMarshaler(getMarshalInfo(t))
-			}
-			return makeGroupMarshaler(getMarshalInfo(t))
-		case "bytes":
-			if slice {
-				return makeMessageSliceMarshaler(getMarshalInfo(t))
-			}
-			return makeMessageMarshaler(getMarshalInfo(t))
-		}
-	}
-	panic(fmt.Sprintf("unknown or mismatched type: type: %v, wire type: %v", t, encoding))
-}
-
-// Below are functions to size/marshal a specific type of a field.
-// They are stored in the field's info, and called by function pointers.
-// They have type sizer or marshaler.
-
-func sizeFixed32Value(_ pointer, tagsize int) int {
-	return 4 + tagsize
-}
-func sizeFixed32ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toUint32()
-	if v == 0 {
-		return 0
-	}
-	return 4 + tagsize
-}
-func sizeFixed32Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toUint32Ptr()
-	if p == nil {
-		return 0
-	}
-	return 4 + tagsize
-}
-func sizeFixed32Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint32Slice()
-	return (4 + tagsize) * len(s)
-}
-func sizeFixed32PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint32Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize
-}
-func sizeFixedS32Value(_ pointer, tagsize int) int {
-	return 4 + tagsize
-}
-func sizeFixedS32ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toInt32()
-	if v == 0 {
-		return 0
-	}
-	return 4 + tagsize
-}
-func sizeFixedS32Ptr(ptr pointer, tagsize int) int {
-	p := ptr.getInt32Ptr()
-	if p == nil {
-		return 0
-	}
-	return 4 + tagsize
-}
-func sizeFixedS32Slice(ptr pointer, tagsize int) int {
-	s := ptr.getInt32Slice()
-	return (4 + tagsize) * len(s)
-}
-func sizeFixedS32PackedSlice(ptr pointer, tagsize int) int {
-	s := ptr.getInt32Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize
-}
-func sizeFloat32Value(_ pointer, tagsize int) int {
-	return 4 + tagsize
-}
-func sizeFloat32ValueNoZero(ptr pointer, tagsize int) int {
-	v := math.Float32bits(*ptr.toFloat32())
-	if v == 0 {
-		return 0
-	}
-	return 4 + tagsize
-}
-func sizeFloat32Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toFloat32Ptr()
-	if p == nil {
-		return 0
-	}
-	return 4 + tagsize
-}
-func sizeFloat32Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toFloat32Slice()
-	return (4 + tagsize) * len(s)
-}
-func sizeFloat32PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toFloat32Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize
-}
-func sizeFixed64Value(_ pointer, tagsize int) int {
-	return 8 + tagsize
-}
-func sizeFixed64ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toUint64()
-	if v == 0 {
-		return 0
-	}
-	return 8 + tagsize
-}
-func sizeFixed64Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toUint64Ptr()
-	if p == nil {
-		return 0
-	}
-	return 8 + tagsize
-}
-func sizeFixed64Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint64Slice()
-	return (8 + tagsize) * len(s)
-}
-func sizeFixed64PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint64Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize
-}
-func sizeFixedS64Value(_ pointer, tagsize int) int {
-	return 8 + tagsize
-}
-func sizeFixedS64ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toInt64()
-	if v == 0 {
-		return 0
-	}
-	return 8 + tagsize
-}
-func sizeFixedS64Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toInt64Ptr()
-	if p == nil {
-		return 0
-	}
-	return 8 + tagsize
-}
-func sizeFixedS64Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toInt64Slice()
-	return (8 + tagsize) * len(s)
-}
-func sizeFixedS64PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toInt64Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize
-}
-func sizeFloat64Value(_ pointer, tagsize int) int {
-	return 8 + tagsize
-}
-func sizeFloat64ValueNoZero(ptr pointer, tagsize int) int {
-	v := math.Float64bits(*ptr.toFloat64())
-	if v == 0 {
-		return 0
-	}
-	return 8 + tagsize
-}
-func sizeFloat64Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toFloat64Ptr()
-	if p == nil {
-		return 0
-	}
-	return 8 + tagsize
-}
-func sizeFloat64Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toFloat64Slice()
-	return (8 + tagsize) * len(s)
-}
-func sizeFloat64PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toFloat64Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize
-}
-func sizeVarint32Value(ptr pointer, tagsize int) int {
-	v := *ptr.toUint32()
-	return SizeVarint(uint64(v)) + tagsize
-}
-func sizeVarint32ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toUint32()
-	if v == 0 {
-		return 0
-	}
-	return SizeVarint(uint64(v)) + tagsize
-}
-func sizeVarint32Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toUint32Ptr()
-	if p == nil {
-		return 0
-	}
-	return SizeVarint(uint64(*p)) + tagsize
-}
-func sizeVarint32Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint32Slice()
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v)) + tagsize
-	}
-	return n
-}
-func sizeVarint32PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint32Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v))
-	}
-	return n + SizeVarint(uint64(n)) + tagsize
-}
-func sizeVarintS32Value(ptr pointer, tagsize int) int {
-	v := *ptr.toInt32()
-	return SizeVarint(uint64(v)) + tagsize
-}
-func sizeVarintS32ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toInt32()
-	if v == 0 {
-		return 0
-	}
-	return SizeVarint(uint64(v)) + tagsize
-}
-func sizeVarintS32Ptr(ptr pointer, tagsize int) int {
-	p := ptr.getInt32Ptr()
-	if p == nil {
-		return 0
-	}
-	return SizeVarint(uint64(*p)) + tagsize
-}
-func sizeVarintS32Slice(ptr pointer, tagsize int) int {
-	s := ptr.getInt32Slice()
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v)) + tagsize
-	}
-	return n
-}
-func sizeVarintS32PackedSlice(ptr pointer, tagsize int) int {
-	s := ptr.getInt32Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v))
-	}
-	return n + SizeVarint(uint64(n)) + tagsize
-}
-func sizeVarint64Value(ptr pointer, tagsize int) int {
-	v := *ptr.toUint64()
-	return SizeVarint(v) + tagsize
-}
-func sizeVarint64ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toUint64()
-	if v == 0 {
-		return 0
-	}
-	return SizeVarint(v) + tagsize
-}
-func sizeVarint64Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toUint64Ptr()
-	if p == nil {
-		return 0
-	}
-	return SizeVarint(*p) + tagsize
-}
-func sizeVarint64Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint64Slice()
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(v) + tagsize
-	}
-	return n
-}
-func sizeVarint64PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toUint64Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(v)
-	}
-	return n + SizeVarint(uint64(n)) + tagsize
-}
-func sizeVarintS64Value(ptr pointer, tagsize int) int {
-	v := *ptr.toInt64()
-	return SizeVarint(uint64(v)) + tagsize
-}
-func sizeVarintS64ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toInt64()
-	if v == 0 {
-		return 0
-	}
-	return SizeVarint(uint64(v)) + tagsize
-}
-func sizeVarintS64Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toInt64Ptr()
-	if p == nil {
-		return 0
-	}
-	return SizeVarint(uint64(*p)) + tagsize
-}
-func sizeVarintS64Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toInt64Slice()
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v)) + tagsize
-	}
-	return n
-}
-func sizeVarintS64PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toInt64Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v))
-	}
-	return n + SizeVarint(uint64(n)) + tagsize
-}
-func sizeZigzag32Value(ptr pointer, tagsize int) int {
-	v := *ptr.toInt32()
-	return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
-}
-func sizeZigzag32ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toInt32()
-	if v == 0 {
-		return 0
-	}
-	return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
-}
-func sizeZigzag32Ptr(ptr pointer, tagsize int) int {
-	p := ptr.getInt32Ptr()
-	if p == nil {
-		return 0
-	}
-	v := *p
-	return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
-}
-func sizeZigzag32Slice(ptr pointer, tagsize int) int {
-	s := ptr.getInt32Slice()
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize
-	}
-	return n
-}
-func sizeZigzag32PackedSlice(ptr pointer, tagsize int) int {
-	s := ptr.getInt32Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
-	}
-	return n + SizeVarint(uint64(n)) + tagsize
-}
-func sizeZigzag64Value(ptr pointer, tagsize int) int {
-	v := *ptr.toInt64()
-	return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
-}
-func sizeZigzag64ValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toInt64()
-	if v == 0 {
-		return 0
-	}
-	return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
-}
-func sizeZigzag64Ptr(ptr pointer, tagsize int) int {
-	p := *ptr.toInt64Ptr()
-	if p == nil {
-		return 0
-	}
-	v := *p
-	return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
-}
-func sizeZigzag64Slice(ptr pointer, tagsize int) int {
-	s := *ptr.toInt64Slice()
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize
-	}
-	return n
-}
-func sizeZigzag64PackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toInt64Slice()
-	if len(s) == 0 {
-		return 0
-	}
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63)))
-	}
-	return n + SizeVarint(uint64(n)) + tagsize
-}
-func sizeBoolValue(_ pointer, tagsize int) int {
-	return 1 + tagsize
-}
-func sizeBoolValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toBool()
-	if !v {
-		return 0
-	}
-	return 1 + tagsize
-}
-func sizeBoolPtr(ptr pointer, tagsize int) int {
-	p := *ptr.toBoolPtr()
-	if p == nil {
-		return 0
-	}
-	return 1 + tagsize
-}
-func sizeBoolSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toBoolSlice()
-	return (1 + tagsize) * len(s)
-}
-func sizeBoolPackedSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toBoolSlice()
-	if len(s) == 0 {
-		return 0
-	}
-	return len(s) + SizeVarint(uint64(len(s))) + tagsize
-}
-func sizeStringValue(ptr pointer, tagsize int) int {
-	v := *ptr.toString()
-	return len(v) + SizeVarint(uint64(len(v))) + tagsize
-}
-func sizeStringValueNoZero(ptr pointer, tagsize int) int {
-	v := *ptr.toString()
-	if v == "" {
-		return 0
-	}
-	return len(v) + SizeVarint(uint64(len(v))) + tagsize
-}
-func sizeStringPtr(ptr pointer, tagsize int) int {
-	p := *ptr.toStringPtr()
-	if p == nil {
-		return 0
-	}
-	v := *p
-	return len(v) + SizeVarint(uint64(len(v))) + tagsize
-}
-func sizeStringSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toStringSlice()
-	n := 0
-	for _, v := range s {
-		n += len(v) + SizeVarint(uint64(len(v))) + tagsize
-	}
-	return n
-}
-func sizeBytes(ptr pointer, tagsize int) int {
-	v := *ptr.toBytes()
-	if v == nil {
-		return 0
-	}
-	return len(v) + SizeVarint(uint64(len(v))) + tagsize
-}
-func sizeBytes3(ptr pointer, tagsize int) int {
-	v := *ptr.toBytes()
-	if len(v) == 0 {
-		return 0
-	}
-	return len(v) + SizeVarint(uint64(len(v))) + tagsize
-}
-func sizeBytesOneof(ptr pointer, tagsize int) int {
-	v := *ptr.toBytes()
-	return len(v) + SizeVarint(uint64(len(v))) + tagsize
-}
-func sizeBytesSlice(ptr pointer, tagsize int) int {
-	s := *ptr.toBytesSlice()
-	n := 0
-	for _, v := range s {
-		n += len(v) + SizeVarint(uint64(len(v))) + tagsize
-	}
-	return n
-}
-
-// appendFixed32 appends an encoded fixed32 to b.
-func appendFixed32(b []byte, v uint32) []byte {
-	b = append(b,
-		byte(v),
-		byte(v>>8),
-		byte(v>>16),
-		byte(v>>24))
-	return b
-}
-
-// appendFixed64 appends an encoded fixed64 to b.
-func appendFixed64(b []byte, v uint64) []byte {
-	b = append(b,
-		byte(v),
-		byte(v>>8),
-		byte(v>>16),
-		byte(v>>24),
-		byte(v>>32),
-		byte(v>>40),
-		byte(v>>48),
-		byte(v>>56))
-	return b
-}
-
-// appendVarint appends an encoded varint to b.
-func appendVarint(b []byte, v uint64) []byte {
-	// TODO: make 1-byte (maybe 2-byte) case inline-able, once we
-	// have non-leaf inliner.
-	switch {
-	case v < 1<<7:
-		b = append(b, byte(v))
-	case v < 1<<14:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte(v>>7))
-	case v < 1<<21:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte(v>>14))
-	case v < 1<<28:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte(v>>21))
-	case v < 1<<35:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte((v>>21)&0x7f|0x80),
-			byte(v>>28))
-	case v < 1<<42:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte((v>>21)&0x7f|0x80),
-			byte((v>>28)&0x7f|0x80),
-			byte(v>>35))
-	case v < 1<<49:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte((v>>21)&0x7f|0x80),
-			byte((v>>28)&0x7f|0x80),
-			byte((v>>35)&0x7f|0x80),
-			byte(v>>42))
-	case v < 1<<56:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte((v>>21)&0x7f|0x80),
-			byte((v>>28)&0x7f|0x80),
-			byte((v>>35)&0x7f|0x80),
-			byte((v>>42)&0x7f|0x80),
-			byte(v>>49))
-	case v < 1<<63:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte((v>>21)&0x7f|0x80),
-			byte((v>>28)&0x7f|0x80),
-			byte((v>>35)&0x7f|0x80),
-			byte((v>>42)&0x7f|0x80),
-			byte((v>>49)&0x7f|0x80),
-			byte(v>>56))
-	default:
-		b = append(b,
-			byte(v&0x7f|0x80),
-			byte((v>>7)&0x7f|0x80),
-			byte((v>>14)&0x7f|0x80),
-			byte((v>>21)&0x7f|0x80),
-			byte((v>>28)&0x7f|0x80),
-			byte((v>>35)&0x7f|0x80),
-			byte((v>>42)&0x7f|0x80),
-			byte((v>>49)&0x7f|0x80),
-			byte((v>>56)&0x7f|0x80),
-			1)
-	}
-	return b
-}
-
-func appendFixed32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint32()
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, v)
-	return b, nil
-}
-func appendFixed32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint32()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, v)
-	return b, nil
-}
-func appendFixed32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toUint32Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, *p)
-	return b, nil
-}
-func appendFixed32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint32Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendFixed32(b, v)
-	}
-	return b, nil
-}
-func appendFixed32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint32Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(4*len(s)))
-	for _, v := range s {
-		b = appendFixed32(b, v)
-	}
-	return b, nil
-}
-func appendFixedS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt32()
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, uint32(v))
-	return b, nil
-}
-func appendFixedS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt32()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, uint32(v))
-	return b, nil
-}
-func appendFixedS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := ptr.getInt32Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, uint32(*p))
-	return b, nil
-}
-func appendFixedS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := ptr.getInt32Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendFixed32(b, uint32(v))
-	}
-	return b, nil
-}
-func appendFixedS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := ptr.getInt32Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(4*len(s)))
-	for _, v := range s {
-		b = appendFixed32(b, uint32(v))
-	}
-	return b, nil
-}
-func appendFloat32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := math.Float32bits(*ptr.toFloat32())
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, v)
-	return b, nil
-}
-func appendFloat32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := math.Float32bits(*ptr.toFloat32())
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, v)
-	return b, nil
-}
-func appendFloat32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toFloat32Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed32(b, math.Float32bits(*p))
-	return b, nil
-}
-func appendFloat32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toFloat32Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendFixed32(b, math.Float32bits(v))
-	}
-	return b, nil
-}
-func appendFloat32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toFloat32Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(4*len(s)))
-	for _, v := range s {
-		b = appendFixed32(b, math.Float32bits(v))
-	}
-	return b, nil
-}
-func appendFixed64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint64()
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, v)
-	return b, nil
-}
-func appendFixed64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint64()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, v)
-	return b, nil
-}
-func appendFixed64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toUint64Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, *p)
-	return b, nil
-}
-func appendFixed64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint64Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendFixed64(b, v)
-	}
-	return b, nil
-}
-func appendFixed64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint64Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(8*len(s)))
-	for _, v := range s {
-		b = appendFixed64(b, v)
-	}
-	return b, nil
-}
-func appendFixedS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt64()
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, uint64(v))
-	return b, nil
-}
-func appendFixedS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt64()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, uint64(v))
-	return b, nil
-}
-func appendFixedS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toInt64Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, uint64(*p))
-	return b, nil
-}
-func appendFixedS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toInt64Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendFixed64(b, uint64(v))
-	}
-	return b, nil
-}
-func appendFixedS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toInt64Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(8*len(s)))
-	for _, v := range s {
-		b = appendFixed64(b, uint64(v))
-	}
-	return b, nil
-}
-func appendFloat64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := math.Float64bits(*ptr.toFloat64())
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, v)
-	return b, nil
-}
-func appendFloat64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := math.Float64bits(*ptr.toFloat64())
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, v)
-	return b, nil
-}
-func appendFloat64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toFloat64Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendFixed64(b, math.Float64bits(*p))
-	return b, nil
-}
-func appendFloat64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toFloat64Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendFixed64(b, math.Float64bits(v))
-	}
-	return b, nil
-}
-func appendFloat64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toFloat64Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(8*len(s)))
-	for _, v := range s {
-		b = appendFixed64(b, math.Float64bits(v))
-	}
-	return b, nil
-}
-func appendVarint32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint32()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v))
-	return b, nil
-}
-func appendVarint32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint32()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v))
-	return b, nil
-}
-func appendVarint32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toUint32Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(*p))
-	return b, nil
-}
-func appendVarint32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint32Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(v))
-	}
-	return b, nil
-}
-func appendVarint32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint32Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	// compute size
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v))
-	}
-	b = appendVarint(b, uint64(n))
-	for _, v := range s {
-		b = appendVarint(b, uint64(v))
-	}
-	return b, nil
-}
-func appendVarintS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt32()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v))
-	return b, nil
-}
-func appendVarintS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt32()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v))
-	return b, nil
-}
-func appendVarintS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := ptr.getInt32Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(*p))
-	return b, nil
-}
-func appendVarintS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := ptr.getInt32Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(v))
-	}
-	return b, nil
-}
-func appendVarintS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := ptr.getInt32Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	// compute size
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v))
-	}
-	b = appendVarint(b, uint64(n))
-	for _, v := range s {
-		b = appendVarint(b, uint64(v))
-	}
-	return b, nil
-}
-func appendVarint64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint64()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, v)
-	return b, nil
-}
-func appendVarint64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toUint64()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, v)
-	return b, nil
-}
-func appendVarint64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toUint64Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, *p)
-	return b, nil
-}
-func appendVarint64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint64Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, v)
-	}
-	return b, nil
-}
-func appendVarint64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toUint64Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	// compute size
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(v)
-	}
-	b = appendVarint(b, uint64(n))
-	for _, v := range s {
-		b = appendVarint(b, v)
-	}
-	return b, nil
-}
-func appendVarintS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt64()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v))
-	return b, nil
-}
-func appendVarintS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt64()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v))
-	return b, nil
-}
-func appendVarintS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toInt64Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(*p))
-	return b, nil
-}
-func appendVarintS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toInt64Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(v))
-	}
-	return b, nil
-}
-func appendVarintS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toInt64Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	// compute size
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v))
-	}
-	b = appendVarint(b, uint64(n))
-	for _, v := range s {
-		b = appendVarint(b, uint64(v))
-	}
-	return b, nil
-}
-func appendZigzag32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt32()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
-	return b, nil
-}
-func appendZigzag32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt32()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
-	return b, nil
-}
-func appendZigzag32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := ptr.getInt32Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	v := *p
-	b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
-	return b, nil
-}
-func appendZigzag32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := ptr.getInt32Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
-	}
-	return b, nil
-}
-func appendZigzag32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := ptr.getInt32Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	// compute size
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
-	}
-	b = appendVarint(b, uint64(n))
-	for _, v := range s {
-		b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31))))
-	}
-	return b, nil
-}
-func appendZigzag64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt64()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
-	return b, nil
-}
-func appendZigzag64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toInt64()
-	if v == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
-	return b, nil
-}
-func appendZigzag64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toInt64Ptr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	v := *p
-	b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
-	return b, nil
-}
-func appendZigzag64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toInt64Slice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
-	}
-	return b, nil
-}
-func appendZigzag64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toInt64Slice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	// compute size
-	n := 0
-	for _, v := range s {
-		n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63)))
-	}
-	b = appendVarint(b, uint64(n))
-	for _, v := range s {
-		b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63)))
-	}
-	return b, nil
-}
-func appendBoolValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toBool()
-	b = appendVarint(b, wiretag)
-	if v {
-		b = append(b, 1)
-	} else {
-		b = append(b, 0)
-	}
-	return b, nil
-}
-func appendBoolValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toBool()
-	if !v {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = append(b, 1)
-	return b, nil
-}
-
-func appendBoolPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toBoolPtr()
-	if p == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	if *p {
-		b = append(b, 1)
-	} else {
-		b = append(b, 0)
-	}
-	return b, nil
-}
-func appendBoolSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toBoolSlice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		if v {
-			b = append(b, 1)
-		} else {
-			b = append(b, 0)
-		}
-	}
-	return b, nil
-}
-func appendBoolPackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toBoolSlice()
-	if len(s) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag&^7|WireBytes)
-	b = appendVarint(b, uint64(len(s)))
-	for _, v := range s {
-		if v {
-			b = append(b, 1)
-		} else {
-			b = append(b, 0)
-		}
-	}
-	return b, nil
-}
-func appendStringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toString()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	return b, nil
-}
-func appendStringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toString()
-	if v == "" {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	return b, nil
-}
-func appendStringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	p := *ptr.toStringPtr()
-	if p == nil {
-		return b, nil
-	}
-	v := *p
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	return b, nil
-}
-func appendStringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toStringSlice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(len(v)))
-		b = append(b, v...)
-	}
-	return b, nil
-}
-func appendUTF8StringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	var invalidUTF8 bool
-	v := *ptr.toString()
-	if !utf8.ValidString(v) {
-		invalidUTF8 = true
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	if invalidUTF8 {
-		return b, errInvalidUTF8
-	}
-	return b, nil
-}
-func appendUTF8StringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	var invalidUTF8 bool
-	v := *ptr.toString()
-	if v == "" {
-		return b, nil
-	}
-	if !utf8.ValidString(v) {
-		invalidUTF8 = true
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	if invalidUTF8 {
-		return b, errInvalidUTF8
-	}
-	return b, nil
-}
-func appendUTF8StringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	var invalidUTF8 bool
-	p := *ptr.toStringPtr()
-	if p == nil {
-		return b, nil
-	}
-	v := *p
-	if !utf8.ValidString(v) {
-		invalidUTF8 = true
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	if invalidUTF8 {
-		return b, errInvalidUTF8
-	}
-	return b, nil
-}
-func appendUTF8StringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	var invalidUTF8 bool
-	s := *ptr.toStringSlice()
-	for _, v := range s {
-		if !utf8.ValidString(v) {
-			invalidUTF8 = true
-		}
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(len(v)))
-		b = append(b, v...)
-	}
-	if invalidUTF8 {
-		return b, errInvalidUTF8
-	}
-	return b, nil
-}
-func appendBytes(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toBytes()
-	if v == nil {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	return b, nil
-}
-func appendBytes3(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toBytes()
-	if len(v) == 0 {
-		return b, nil
-	}
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	return b, nil
-}
-func appendBytesOneof(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	v := *ptr.toBytes()
-	b = appendVarint(b, wiretag)
-	b = appendVarint(b, uint64(len(v)))
-	b = append(b, v...)
-	return b, nil
-}
-func appendBytesSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) {
-	s := *ptr.toBytesSlice()
-	for _, v := range s {
-		b = appendVarint(b, wiretag)
-		b = appendVarint(b, uint64(len(v)))
-		b = append(b, v...)
-	}
-	return b, nil
-}
-
-// makeGroupMarshaler returns the sizer and marshaler for a group.
-// u is the marshal info of the underlying message.
-func makeGroupMarshaler(u *marshalInfo) (sizer, marshaler) {
-	return func(ptr pointer, tagsize int) int {
-			p := ptr.getPointer()
-			if p.isNil() {
-				return 0
-			}
-			return u.size(p) + 2*tagsize
-		},
-		func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
-			p := ptr.getPointer()
-			if p.isNil() {
-				return b, nil
-			}
-			var err error
-			b = appendVarint(b, wiretag) // start group
-			b, err = u.marshal(b, p, deterministic)
-			b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group
-			return b, err
-		}
-}
-
-// makeGroupSliceMarshaler returns the sizer and marshaler for a group slice.
-// u is the marshal info of the underlying message.
-func makeGroupSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
-	return func(ptr pointer, tagsize int) int {
-			s := ptr.getPointerSlice()
-			n := 0
-			for _, v := range s {
-				if v.isNil() {
-					continue
-				}
-				n += u.size(v) + 2*tagsize
-			}
-			return n
-		},
-		func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
-			s := ptr.getPointerSlice()
-			var err error
-			var nerr nonFatal
-			for _, v := range s {
-				if v.isNil() {
-					return b, errRepeatedHasNil
-				}
-				b = appendVarint(b, wiretag) // start group
-				b, err = u.marshal(b, v, deterministic)
-				b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group
-				if !nerr.Merge(err) {
-					if err == ErrNil {
-						err = errRepeatedHasNil
-					}
-					return b, err
-				}
-			}
-			return b, nerr.E
-		}
-}
-
-// makeMessageMarshaler returns the sizer and marshaler for a message field.
-// u is the marshal info of the message.
-func makeMessageMarshaler(u *marshalInfo) (sizer, marshaler) {
-	return func(ptr pointer, tagsize int) int {
-			p := ptr.getPointer()
-			if p.isNil() {
-				return 0
-			}
-			siz := u.size(p)
-			return siz + SizeVarint(uint64(siz)) + tagsize
-		},
-		func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
-			p := ptr.getPointer()
-			if p.isNil() {
-				return b, nil
-			}
-			b = appendVarint(b, wiretag)
-			siz := u.cachedsize(p)
-			b = appendVarint(b, uint64(siz))
-			return u.marshal(b, p, deterministic)
-		}
-}
-
-// makeMessageSliceMarshaler returns the sizer and marshaler for a message slice.
-// u is the marshal info of the message.
-func makeMessageSliceMarshaler(u *marshalInfo) (sizer, marshaler) {
-	return func(ptr pointer, tagsize int) int {
-			s := ptr.getPointerSlice()
-			n := 0
-			for _, v := range s {
-				if v.isNil() {
-					continue
-				}
-				siz := u.size(v)
-				n += siz + SizeVarint(uint64(siz)) + tagsize
-			}
-			return n
-		},
-		func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) {
-			s := ptr.getPointerSlice()
-			var err error
-			var nerr nonFatal
-			for _, v := range s {
-				if v.isNil() {
-					return b, errRepeatedHasNil
-				}
-				b = appendVarint(b, wiretag)
-				siz := u.cachedsize(v)
-				b = appendVarint(b, uint64(siz))
-				b, err = u.marshal(b, v, deterministic)
-
-				if !nerr.Merge(err) {
-					if err == ErrNil {
-						err = errRepeatedHasNil
-					}
-					return b, err
-				}
-			}
-			return b, nerr.E
-		}
-}
-
-// makeMapMarshaler returns the sizer and marshaler for a map field.
-// f is the pointer to the reflect data structure of the field.
-func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) {
-	// figure out key and value type
-	t := f.Type
-	keyType := t.Key()
-	valType := t.Elem()
-	keyTags := strings.Split(f.Tag.Get("protobuf_key"), ",")
-	valTags := strings.Split(f.Tag.Get("protobuf_val"), ",")
-	keySizer, keyMarshaler := typeMarshaler(keyType, keyTags, false, false) // don't omit zero value in map
-	valSizer, valMarshaler := typeMarshaler(valType, valTags, false, false) // don't omit zero value in map
-	keyWireTag := 1<<3 | wiretype(keyTags[0])
-	valWireTag := 2<<3 | wiretype(valTags[0])
-
-	// We create an interface to get the addresses of the map key and value.
-	// If value is pointer-typed, the interface is a direct interface, the
-	// idata itself is the value. Otherwise, the idata is the pointer to the
-	// value.
-	// Key cannot be pointer-typed.
-	valIsPtr := valType.Kind() == reflect.Ptr
-
-	// If value is a message with nested maps, calling
-	// valSizer in marshal may be quadratic. We should use
-	// cached version in marshal (but not in size).
-	// If value is not message type, we don't have size cache,
-	// but it cannot be nested either. Just use valSizer.
-	valCachedSizer := valSizer
-	if valIsPtr && valType.Elem().Kind() == reflect.Struct {
-		u := getMarshalInfo(valType.Elem())
-		valCachedSizer = func(ptr pointer, tagsize int) int {
-			// Same as message sizer, but use cache.
-			p := ptr.getPointer()
-			if p.isNil() {
-				return 0
-			}
-			siz := u.cachedsize(p)
-			return siz + SizeVarint(uint64(siz)) + tagsize
-		}
-	}
-	return func(ptr pointer, tagsize int) int {
-			m := ptr.asPointerTo(t).Elem() // the map
-			n := 0
-			for _, k := range m.MapKeys() {
-				ki := k.Interface()
-				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)             // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr)          // pointer to value
-				siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
-				n += siz + SizeVarint(uint64(siz)) + tagsize
-			}
-			return n
-		},
-		func(b []byte, ptr pointer, tag uint64, deterministic bool) ([]byte, error) {
-			m := ptr.asPointerTo(t).Elem() // the map
-			var err error
-			keys := m.MapKeys()
-			if len(keys) > 1 && deterministic {
-				sort.Sort(mapKeys(keys))
-			}
-
-			var nerr nonFatal
-			for _, k := range keys {
-				ki := k.Interface()
-				vi := m.MapIndex(k).Interface()
-				kaddr := toAddrPointer(&ki, false)    // pointer to key
-				vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value
-				b = appendVarint(b, tag)
-				siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1)
-				b = appendVarint(b, uint64(siz))
-				b, err = keyMarshaler(b, kaddr, keyWireTag, deterministic)
-				if !nerr.Merge(err) {
-					return b, err
-				}
-				b, err = valMarshaler(b, vaddr, valWireTag, deterministic)
-				if err != ErrNil && !nerr.Merge(err) { // allow nil value in map
-					return b, err
-				}
-			}
-			return b, nerr.E
-		}
-}
-
-// makeOneOfMarshaler returns the sizer and marshaler for a oneof field.
-// fi is the marshal info of the field.
-// f is the pointer to the reflect data structure of the field.
-func makeOneOfMarshaler(fi *marshalFieldInfo, f *reflect.StructField) (sizer, marshaler) {
-	// Oneof field is an interface. We need to get the actual data type on the fly.
-	t := f.Type
-	return func(ptr pointer, _ int) int {
-			p := ptr.getInterfacePointer()
-			if p.isNil() {
-				return 0
-			}
-			v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct
-			telem := v.Type()
-			e := fi.oneofElems[telem]
-			return e.sizer(p, e.tagsize)
-		},
-		func(b []byte, ptr pointer, _ uint64, deterministic bool) ([]byte, error) {
-			p := ptr.getInterfacePointer()
-			if p.isNil() {
-				return b, nil
-			}
-			v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct
-			telem := v.Type()
-			if telem.Field(0).Type.Kind() == reflect.Ptr && p.getPointer().isNil() {
-				return b, errOneofHasNil
-			}
-			e := fi.oneofElems[telem]
-			return e.marshaler(b, p, e.wiretag, deterministic)
-		}
-}
-
-// sizeExtensions computes the size of encoded data for a XXX_InternalExtensions field.
-func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int {
-	m, mu := ext.extensionsRead()
-	if m == nil {
-		return 0
-	}
-	mu.Lock()
-
-	n := 0
-	for _, e := range m {
-		if e.value == nil || e.desc == nil {
-			// Extension is only in its encoded form.
-			n += len(e.enc)
-			continue
-		}
-
-		// We don't skip extensions that have an encoded form set,
-		// because the extension value may have been mutated after
-		// the last time this function was called.
-		ei := u.getExtElemInfo(e.desc)
-		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
-		n += ei.sizer(p, ei.tagsize)
-	}
-	mu.Unlock()
-	return n
-}
-
-// appendExtensions marshals a XXX_InternalExtensions field to the end of byte slice b.
-func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) {
-	m, mu := ext.extensionsRead()
-	if m == nil {
-		return b, nil
-	}
-	mu.Lock()
-	defer mu.Unlock()
-
-	var err error
-	var nerr nonFatal
-
-	// Fast-path for common cases: zero or one extensions.
-	// Don't bother sorting the keys.
-	if len(m) <= 1 {
-		for _, e := range m {
-			if e.value == nil || e.desc == nil {
-				// Extension is only in its encoded form.
-				b = append(b, e.enc...)
-				continue
-			}
-
-			// We don't skip extensions that have an encoded form set,
-			// because the extension value may have been mutated after
-			// the last time this function was called.
-
-			ei := u.getExtElemInfo(e.desc)
-			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
-			b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
-			if !nerr.Merge(err) {
-				return b, err
-			}
-		}
-		return b, nerr.E
-	}
-
-	// Sort the keys to provide a deterministic encoding.
-	// Not sure this is required, but the old code does it.
-	keys := make([]int, 0, len(m))
-	for k := range m {
-		keys = append(keys, int(k))
-	}
-	sort.Ints(keys)
-
-	for _, k := range keys {
-		e := m[int32(k)]
-		if e.value == nil || e.desc == nil {
-			// Extension is only in its encoded form.
-			b = append(b, e.enc...)
-			continue
-		}
-
-		// We don't skip extensions that have an encoded form set,
-		// because the extension value may have been mutated after
-		// the last time this function was called.
-
-		ei := u.getExtElemInfo(e.desc)
-		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
-		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
-		if !nerr.Merge(err) {
-			return b, err
-		}
-	}
-	return b, nerr.E
-}
-
-// message set format is:
-//   message MessageSet {
-//     repeated group Item = 1 {
-//       required int32 type_id = 2;
-//       required string message = 3;
-//     };
-//   }
-
-// sizeMessageSet computes the size of encoded data for a XXX_InternalExtensions field
-// in message set format (above).
-func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int {
-	m, mu := ext.extensionsRead()
-	if m == nil {
-		return 0
-	}
-	mu.Lock()
-
-	n := 0
-	for id, e := range m {
-		n += 2                          // start group, end group. tag = 1 (size=1)
-		n += SizeVarint(uint64(id)) + 1 // type_id, tag = 2 (size=1)
-
-		if e.value == nil || e.desc == nil {
-			// Extension is only in its encoded form.
-			msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint
-			siz := len(msgWithLen)
-			n += siz + 1 // message, tag = 3 (size=1)
-			continue
-		}
-
-		// We don't skip extensions that have an encoded form set,
-		// because the extension value may have been mutated after
-		// the last time this function was called.
-
-		ei := u.getExtElemInfo(e.desc)
-		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
-		n += ei.sizer(p, 1) // message, tag = 3 (size=1)
-	}
-	mu.Unlock()
-	return n
-}
-
-// appendMessageSet marshals a XXX_InternalExtensions field in message set format (above)
-// to the end of byte slice b.
-func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) {
-	m, mu := ext.extensionsRead()
-	if m == nil {
-		return b, nil
-	}
-	mu.Lock()
-	defer mu.Unlock()
-
-	var err error
-	var nerr nonFatal
-
-	// Fast-path for common cases: zero or one extensions.
-	// Don't bother sorting the keys.
-	if len(m) <= 1 {
-		for id, e := range m {
-			b = append(b, 1<<3|WireStartGroup)
-			b = append(b, 2<<3|WireVarint)
-			b = appendVarint(b, uint64(id))
-
-			if e.value == nil || e.desc == nil {
-				// Extension is only in its encoded form.
-				msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint
-				b = append(b, 3<<3|WireBytes)
-				b = append(b, msgWithLen...)
-				b = append(b, 1<<3|WireEndGroup)
-				continue
-			}
-
-			// We don't skip extensions that have an encoded form set,
-			// because the extension value may have been mutated after
-			// the last time this function was called.
-
-			ei := u.getExtElemInfo(e.desc)
-			v := e.value
-			p := toAddrPointer(&v, ei.isptr)
-			b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
-			if !nerr.Merge(err) {
-				return b, err
-			}
-			b = append(b, 1<<3|WireEndGroup)
-		}
-		return b, nerr.E
-	}
-
-	// Sort the keys to provide a deterministic encoding.
-	keys := make([]int, 0, len(m))
-	for k := range m {
-		keys = append(keys, int(k))
-	}
-	sort.Ints(keys)
-
-	for _, id := range keys {
-		e := m[int32(id)]
-		b = append(b, 1<<3|WireStartGroup)
-		b = append(b, 2<<3|WireVarint)
-		b = appendVarint(b, uint64(id))
-
-		if e.value == nil || e.desc == nil {
-			// Extension is only in its encoded form.
-			msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint
-			b = append(b, 3<<3|WireBytes)
-			b = append(b, msgWithLen...)
-			b = append(b, 1<<3|WireEndGroup)
-			continue
-		}
-
-		// We don't skip extensions that have an encoded form set,
-		// because the extension value may have been mutated after
-		// the last time this function was called.
-
-		ei := u.getExtElemInfo(e.desc)
-		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
-		b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic)
-		b = append(b, 1<<3|WireEndGroup)
-		if !nerr.Merge(err) {
-			return b, err
-		}
-	}
-	return b, nerr.E
-}
-
-// sizeV1Extensions computes the size of encoded data for a V1-API extension field.
-func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int {
-	if m == nil {
-		return 0
-	}
-
-	n := 0
-	for _, e := range m {
-		if e.value == nil || e.desc == nil {
-			// Extension is only in its encoded form.
-			n += len(e.enc)
-			continue
-		}
-
-		// We don't skip extensions that have an encoded form set,
-		// because the extension value may have been mutated after
-		// the last time this function was called.
-
-		ei := u.getExtElemInfo(e.desc)
-		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
-		n += ei.sizer(p, ei.tagsize)
-	}
-	return n
-}
-
-// appendV1Extensions marshals a V1-API extension field to the end of byte slice b.
-func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, deterministic bool) ([]byte, error) {
-	if m == nil {
-		return b, nil
-	}
-
-	// Sort the keys to provide a deterministic encoding.
-	keys := make([]int, 0, len(m))
-	for k := range m {
-		keys = append(keys, int(k))
-	}
-	sort.Ints(keys)
-
-	var err error
-	var nerr nonFatal
-	for _, k := range keys {
-		e := m[int32(k)]
-		if e.value == nil || e.desc == nil {
-			// Extension is only in its encoded form.
-			b = append(b, e.enc...)
-			continue
-		}
-
-		// We don't skip extensions that have an encoded form set,
-		// because the extension value may have been mutated after
-		// the last time this function was called.
-
-		ei := u.getExtElemInfo(e.desc)
-		v := e.value
-		p := toAddrPointer(&v, ei.isptr)
-		b, err = ei.marshaler(b, p, ei.wiretag, deterministic)
-		if !nerr.Merge(err) {
-			return b, err
-		}
-	}
-	return b, nerr.E
-}
-
-// newMarshaler is the interface representing objects that can marshal themselves.
-//
-// This exists to support protoc-gen-go generated messages.
-// The proto package will stop type-asserting to this interface in the future.
-//
-// DO NOT DEPEND ON THIS.
-type newMarshaler interface {
-	XXX_Size() int
-	XXX_Marshal(b []byte, deterministic bool) ([]byte, error)
-}
-
-// Size returns the encoded size of a protocol buffer message.
-// This is the main entry point.
-func Size(pb Message) int {
-	if m, ok := pb.(newMarshaler); ok {
-		return m.XXX_Size()
-	}
-	if m, ok := pb.(Marshaler); ok {
-		// If the message can marshal itself, let it do it, for compatibility.
-		// NOTE: This is not efficient.
-		b, _ := m.Marshal()
-		return len(b)
-	}
-	// in case somehow we didn't generate the wrapper
-	if pb == nil {
-		return 0
-	}
-	var info InternalMessageInfo
-	return info.Size(pb)
-}
-
-// Marshal takes a protocol buffer message
-// and encodes it into the wire format, returning the data.
-// This is the main entry point.
-func Marshal(pb Message) ([]byte, error) {
-	if m, ok := pb.(newMarshaler); ok {
-		siz := m.XXX_Size()
-		b := make([]byte, 0, siz)
-		return m.XXX_Marshal(b, false)
-	}
-	if m, ok := pb.(Marshaler); ok {
-		// If the message can marshal itself, let it do it, for compatibility.
-		// NOTE: This is not efficient.
-		return m.Marshal()
-	}
-	// in case somehow we didn't generate the wrapper
-	if pb == nil {
-		return nil, ErrNil
-	}
-	var info InternalMessageInfo
-	siz := info.Size(pb)
-	b := make([]byte, 0, siz)
-	return info.Marshal(b, pb, false)
-}
-
-// Marshal takes a protocol buffer message
-// and encodes it into the wire format, writing the result to the
-// Buffer.
-// This is an alternative entry point. It is not necessary to use
-// a Buffer for most applications.
-func (p *Buffer) Marshal(pb Message) error {
-	var err error
-	if m, ok := pb.(newMarshaler); ok {
-		siz := m.XXX_Size()
-		p.grow(siz) // make sure buf has enough capacity
-		p.buf, err = m.XXX_Marshal(p.buf, p.deterministic)
-		return err
-	}
-	if m, ok := pb.(Marshaler); ok {
-		// If the message can marshal itself, let it do it, for compatibility.
-		// NOTE: This is not efficient.
-		b, err := m.Marshal()
-		p.buf = append(p.buf, b...)
-		return err
-	}
-	// in case somehow we didn't generate the wrapper
-	if pb == nil {
-		return ErrNil
-	}
-	var info InternalMessageInfo
-	siz := info.Size(pb)
-	p.grow(siz) // make sure buf has enough capacity
-	p.buf, err = info.Marshal(p.buf, pb, p.deterministic)
-	return err
-}
-
-// grow grows the buffer's capacity, if necessary, to guarantee space for
-// another n bytes. After grow(n), at least n bytes can be written to the
-// buffer without another allocation.
-func (p *Buffer) grow(n int) {
-	need := len(p.buf) + n
-	if need <= cap(p.buf) {
-		return
-	}
-	newCap := len(p.buf) * 2
-	if newCap < need {
-		newCap = need
-	}
-	p.buf = append(make([]byte, 0, newCap), p.buf...)
-}

vendor/github.com/golang/protobuf/proto/table_merge.go

@@ -1,654 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2016 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-import (
-	"fmt"
-	"reflect"
-	"strings"
-	"sync"
-	"sync/atomic"
-)
-
-// Merge merges the src message into dst.
-// This assumes that dst and src of the same type and are non-nil.
-func (a *InternalMessageInfo) Merge(dst, src Message) {
-	mi := atomicLoadMergeInfo(&a.merge)
-	if mi == nil {
-		mi = getMergeInfo(reflect.TypeOf(dst).Elem())
-		atomicStoreMergeInfo(&a.merge, mi)
-	}
-	mi.merge(toPointer(&dst), toPointer(&src))
-}
-
-type mergeInfo struct {
-	typ reflect.Type
-
-	initialized int32 // 0: only typ is valid, 1: everything is valid
-	lock        sync.Mutex
-
-	fields       []mergeFieldInfo
-	unrecognized field // Offset of XXX_unrecognized
-}
-
-type mergeFieldInfo struct {
-	field field // Offset of field, guaranteed to be valid
-
-	// isPointer reports whether the value in the field is a pointer.
-	// This is true for the following situations:
-	//	* Pointer to struct
-	//	* Pointer to basic type (proto2 only)
-	//	* Slice (first value in slice header is a pointer)
-	//	* String (first value in string header is a pointer)
-	isPointer bool
-
-	// basicWidth reports the width of the field assuming that it is directly
-	// embedded in the struct (as is the case for basic types in proto3).
-	// The possible values are:
-	// 	0: invalid
-	//	1: bool
-	//	4: int32, uint32, float32
-	//	8: int64, uint64, float64
-	basicWidth int
-
-	// Where dst and src are pointers to the types being merged.
-	merge func(dst, src pointer)
-}
-
-var (
-	mergeInfoMap  = map[reflect.Type]*mergeInfo{}
-	mergeInfoLock sync.Mutex
-)
-
-func getMergeInfo(t reflect.Type) *mergeInfo {
-	mergeInfoLock.Lock()
-	defer mergeInfoLock.Unlock()
-	mi := mergeInfoMap[t]
-	if mi == nil {
-		mi = &mergeInfo{typ: t}
-		mergeInfoMap[t] = mi
-	}
-	return mi
-}
-
-// merge merges src into dst assuming they are both of type *mi.typ.
-func (mi *mergeInfo) merge(dst, src pointer) {
-	if dst.isNil() {
-		panic("proto: nil destination")
-	}
-	if src.isNil() {
-		return // Nothing to do.
-	}
-
-	if atomic.LoadInt32(&mi.initialized) == 0 {
-		mi.computeMergeInfo()
-	}
-
-	for _, fi := range mi.fields {
-		sfp := src.offset(fi.field)
-
-		// As an optimization, we can avoid the merge function call cost
-		// if we know for sure that the source will have no effect
-		// by checking if it is the zero value.
-		if unsafeAllowed {
-			if fi.isPointer && sfp.getPointer().isNil() { // Could be slice or string
-				continue
-			}
-			if fi.basicWidth > 0 {
-				switch {
-				case fi.basicWidth == 1 && !*sfp.toBool():
-					continue
-				case fi.basicWidth == 4 && *sfp.toUint32() == 0:
-					continue
-				case fi.basicWidth == 8 && *sfp.toUint64() == 0:
-					continue
-				}
-			}
-		}
-
-		dfp := dst.offset(fi.field)
-		fi.merge(dfp, sfp)
-	}
-
-	// TODO: Make this faster?
-	out := dst.asPointerTo(mi.typ).Elem()
-	in := src.asPointerTo(mi.typ).Elem()
-	if emIn, err := extendable(in.Addr().Interface()); err == nil {
-		emOut, _ := extendable(out.Addr().Interface())
-		mIn, muIn := emIn.extensionsRead()
-		if mIn != nil {
-			mOut := emOut.extensionsWrite()
-			muIn.Lock()
-			mergeExtension(mOut, mIn)
-			muIn.Unlock()
-		}
-	}
-
-	if mi.unrecognized.IsValid() {
-		if b := *src.offset(mi.unrecognized).toBytes(); len(b) > 0 {
-			*dst.offset(mi.unrecognized).toBytes() = append([]byte(nil), b...)
-		}
-	}
-}
-
-func (mi *mergeInfo) computeMergeInfo() {
-	mi.lock.Lock()
-	defer mi.lock.Unlock()
-	if mi.initialized != 0 {
-		return
-	}
-	t := mi.typ
-	n := t.NumField()
-
-	props := GetProperties(t)
-	for i := 0; i < n; i++ {
-		f := t.Field(i)
-		if strings.HasPrefix(f.Name, "XXX_") {
-			continue
-		}
-
-		mfi := mergeFieldInfo{field: toField(&f)}
-		tf := f.Type
-
-		// As an optimization, we can avoid the merge function call cost
-		// if we know for sure that the source will have no effect
-		// by checking if it is the zero value.
-		if unsafeAllowed {
-			switch tf.Kind() {
-			case reflect.Ptr, reflect.Slice, reflect.String:
-				// As a special case, we assume slices and strings are pointers
-				// since we know that the first field in the SliceSlice or
-				// StringHeader is a data pointer.
-				mfi.isPointer = true
-			case reflect.Bool:
-				mfi.basicWidth = 1
-			case reflect.Int32, reflect.Uint32, reflect.Float32:
-				mfi.basicWidth = 4
-			case reflect.Int64, reflect.Uint64, reflect.Float64:
-				mfi.basicWidth = 8
-			}
-		}
-
-		// Unwrap tf to get at its most basic type.
-		var isPointer, isSlice bool
-		if tf.Kind() == reflect.Slice && tf.Elem().Kind() != reflect.Uint8 {
-			isSlice = true
-			tf = tf.Elem()
-		}
-		if tf.Kind() == reflect.Ptr {
-			isPointer = true
-			tf = tf.Elem()
-		}
-		if isPointer && isSlice && tf.Kind() != reflect.Struct {
-			panic("both pointer and slice for basic type in " + tf.Name())
-		}
-
-		switch tf.Kind() {
-		case reflect.Int32:
-			switch {
-			case isSlice: // E.g., []int32
-				mfi.merge = func(dst, src pointer) {
-					// NOTE: toInt32Slice is not defined (see pointer_reflect.go).
-					/*
-						sfsp := src.toInt32Slice()
-						if *sfsp != nil {
-							dfsp := dst.toInt32Slice()
-							*dfsp = append(*dfsp, *sfsp...)
-							if *dfsp == nil {
-								*dfsp = []int64{}
-							}
-						}
-					*/
-					sfs := src.getInt32Slice()
-					if sfs != nil {
-						dfs := dst.getInt32Slice()
-						dfs = append(dfs, sfs...)
-						if dfs == nil {
-							dfs = []int32{}
-						}
-						dst.setInt32Slice(dfs)
-					}
-				}
-			case isPointer: // E.g., *int32
-				mfi.merge = func(dst, src pointer) {
-					// NOTE: toInt32Ptr is not defined (see pointer_reflect.go).
-					/*
-						sfpp := src.toInt32Ptr()
-						if *sfpp != nil {
-							dfpp := dst.toInt32Ptr()
-							if *dfpp == nil {
-								*dfpp = Int32(**sfpp)
-							} else {
-								**dfpp = **sfpp
-							}
-						}
-					*/
-					sfp := src.getInt32Ptr()
-					if sfp != nil {
-						dfp := dst.getInt32Ptr()
-						if dfp == nil {
-							dst.setInt32Ptr(*sfp)
-						} else {
-							*dfp = *sfp
-						}
-					}
-				}
-			default: // E.g., int32
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toInt32(); v != 0 {
-						*dst.toInt32() = v
-					}
-				}
-			}
-		case reflect.Int64:
-			switch {
-			case isSlice: // E.g., []int64
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toInt64Slice()
-					if *sfsp != nil {
-						dfsp := dst.toInt64Slice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []int64{}
-						}
-					}
-				}
-			case isPointer: // E.g., *int64
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toInt64Ptr()
-					if *sfpp != nil {
-						dfpp := dst.toInt64Ptr()
-						if *dfpp == nil {
-							*dfpp = Int64(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., int64
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toInt64(); v != 0 {
-						*dst.toInt64() = v
-					}
-				}
-			}
-		case reflect.Uint32:
-			switch {
-			case isSlice: // E.g., []uint32
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toUint32Slice()
-					if *sfsp != nil {
-						dfsp := dst.toUint32Slice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []uint32{}
-						}
-					}
-				}
-			case isPointer: // E.g., *uint32
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toUint32Ptr()
-					if *sfpp != nil {
-						dfpp := dst.toUint32Ptr()
-						if *dfpp == nil {
-							*dfpp = Uint32(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., uint32
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toUint32(); v != 0 {
-						*dst.toUint32() = v
-					}
-				}
-			}
-		case reflect.Uint64:
-			switch {
-			case isSlice: // E.g., []uint64
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toUint64Slice()
-					if *sfsp != nil {
-						dfsp := dst.toUint64Slice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []uint64{}
-						}
-					}
-				}
-			case isPointer: // E.g., *uint64
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toUint64Ptr()
-					if *sfpp != nil {
-						dfpp := dst.toUint64Ptr()
-						if *dfpp == nil {
-							*dfpp = Uint64(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., uint64
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toUint64(); v != 0 {
-						*dst.toUint64() = v
-					}
-				}
-			}
-		case reflect.Float32:
-			switch {
-			case isSlice: // E.g., []float32
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toFloat32Slice()
-					if *sfsp != nil {
-						dfsp := dst.toFloat32Slice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []float32{}
-						}
-					}
-				}
-			case isPointer: // E.g., *float32
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toFloat32Ptr()
-					if *sfpp != nil {
-						dfpp := dst.toFloat32Ptr()
-						if *dfpp == nil {
-							*dfpp = Float32(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., float32
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toFloat32(); v != 0 {
-						*dst.toFloat32() = v
-					}
-				}
-			}
-		case reflect.Float64:
-			switch {
-			case isSlice: // E.g., []float64
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toFloat64Slice()
-					if *sfsp != nil {
-						dfsp := dst.toFloat64Slice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []float64{}
-						}
-					}
-				}
-			case isPointer: // E.g., *float64
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toFloat64Ptr()
-					if *sfpp != nil {
-						dfpp := dst.toFloat64Ptr()
-						if *dfpp == nil {
-							*dfpp = Float64(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., float64
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toFloat64(); v != 0 {
-						*dst.toFloat64() = v
-					}
-				}
-			}
-		case reflect.Bool:
-			switch {
-			case isSlice: // E.g., []bool
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toBoolSlice()
-					if *sfsp != nil {
-						dfsp := dst.toBoolSlice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []bool{}
-						}
-					}
-				}
-			case isPointer: // E.g., *bool
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toBoolPtr()
-					if *sfpp != nil {
-						dfpp := dst.toBoolPtr()
-						if *dfpp == nil {
-							*dfpp = Bool(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., bool
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toBool(); v {
-						*dst.toBool() = v
-					}
-				}
-			}
-		case reflect.String:
-			switch {
-			case isSlice: // E.g., []string
-				mfi.merge = func(dst, src pointer) {
-					sfsp := src.toStringSlice()
-					if *sfsp != nil {
-						dfsp := dst.toStringSlice()
-						*dfsp = append(*dfsp, *sfsp...)
-						if *dfsp == nil {
-							*dfsp = []string{}
-						}
-					}
-				}
-			case isPointer: // E.g., *string
-				mfi.merge = func(dst, src pointer) {
-					sfpp := src.toStringPtr()
-					if *sfpp != nil {
-						dfpp := dst.toStringPtr()
-						if *dfpp == nil {
-							*dfpp = String(**sfpp)
-						} else {
-							**dfpp = **sfpp
-						}
-					}
-				}
-			default: // E.g., string
-				mfi.merge = func(dst, src pointer) {
-					if v := *src.toString(); v != "" {
-						*dst.toString() = v
-					}
-				}
-			}
-		case reflect.Slice:
-			isProto3 := props.Prop[i].proto3
-			switch {
-			case isPointer:
-				panic("bad pointer in byte slice case in " + tf.Name())
-			case tf.Elem().Kind() != reflect.Uint8:
-				panic("bad element kind in byte slice case in " + tf.Name())
-			case isSlice: // E.g., [][]byte
-				mfi.merge = func(dst, src pointer) {
-					sbsp := src.toBytesSlice()
-					if *sbsp != nil {
-						dbsp := dst.toBytesSlice()
-						for _, sb := range *sbsp {
-							if sb == nil {
-								*dbsp = append(*dbsp, nil)
-							} else {
-								*dbsp = append(*dbsp, append([]byte{}, sb...))
-							}
-						}
-						if *dbsp == nil {
-							*dbsp = [][]byte{}
-						}
-					}
-				}
-			default: // E.g., []byte
-				mfi.merge = func(dst, src pointer) {
-					sbp := src.toBytes()
-					if *sbp != nil {
-						dbp := dst.toBytes()
-						if !isProto3 || len(*sbp) > 0 {
-							*dbp = append([]byte{}, *sbp...)
-						}
-					}
-				}
-			}
-		case reflect.Struct:
-			switch {
-			case !isPointer:
-				panic(fmt.Sprintf("message field %s without pointer", tf))
-			case isSlice: // E.g., []*pb.T
-				mi := getMergeInfo(tf)
-				mfi.merge = func(dst, src pointer) {
-					sps := src.getPointerSlice()
-					if sps != nil {
-						dps := dst.getPointerSlice()
-						for _, sp := range sps {
-							var dp pointer
-							if !sp.isNil() {
-								dp = valToPointer(reflect.New(tf))
-								mi.merge(dp, sp)
-							}
-							dps = append(dps, dp)
-						}
-						if dps == nil {
-							dps = []pointer{}
-						}
-						dst.setPointerSlice(dps)
-					}
-				}
-			default: // E.g., *pb.T
-				mi := getMergeInfo(tf)
-				mfi.merge = func(dst, src pointer) {
-					sp := src.getPointer()
-					if !sp.isNil() {
-						dp := dst.getPointer()
-						if dp.isNil() {
-							dp = valToPointer(reflect.New(tf))
-							dst.setPointer(dp)
-						}
-						mi.merge(dp, sp)
-					}
-				}
-			}
-		case reflect.Map:
-			switch {
-			case isPointer || isSlice:
-				panic("bad pointer or slice in map case in " + tf.Name())
-			default: // E.g., map[K]V
-				mfi.merge = func(dst, src pointer) {
-					sm := src.asPointerTo(tf).Elem()
-					if sm.Len() == 0 {
-						return
-					}
-					dm := dst.asPointerTo(tf).Elem()
-					if dm.IsNil() {
-						dm.Set(reflect.MakeMap(tf))
-					}
-
-					switch tf.Elem().Kind() {
-					case reflect.Ptr: // Proto struct (e.g., *T)
-						for _, key := range sm.MapKeys() {
-							val := sm.MapIndex(key)
-							val = reflect.ValueOf(Clone(val.Interface().(Message)))
-							dm.SetMapIndex(key, val)
-						}
-					case reflect.Slice: // E.g. Bytes type (e.g., []byte)
-						for _, key := range sm.MapKeys() {
-							val := sm.MapIndex(key)
-							val = reflect.ValueOf(append([]byte{}, val.Bytes()...))
-							dm.SetMapIndex(key, val)
-						}
-					default: // Basic type (e.g., string)
-						for _, key := range sm.MapKeys() {
-							val := sm.MapIndex(key)
-							dm.SetMapIndex(key, val)
-						}
-					}
-				}
-			}
-		case reflect.Interface:
-			// Must be oneof field.
-			switch {
-			case isPointer || isSlice:
-				panic("bad pointer or slice in interface case in " + tf.Name())
-			default: // E.g., interface{}
-				// TODO: Make this faster?
-				mfi.merge = func(dst, src pointer) {
-					su := src.asPointerTo(tf).Elem()
-					if !su.IsNil() {
-						du := dst.asPointerTo(tf).Elem()
-						typ := su.Elem().Type()
-						if du.IsNil() || du.Elem().Type() != typ {
-							du.Set(reflect.New(typ.Elem())) // Initialize interface if empty
-						}
-						sv := su.Elem().Elem().Field(0)
-						if sv.Kind() == reflect.Ptr && sv.IsNil() {
-							return
-						}
-						dv := du.Elem().Elem().Field(0)
-						if dv.Kind() == reflect.Ptr && dv.IsNil() {
-							dv.Set(reflect.New(sv.Type().Elem())) // Initialize proto message if empty
-						}
-						switch sv.Type().Kind() {
-						case reflect.Ptr: // Proto struct (e.g., *T)
-							Merge(dv.Interface().(Message), sv.Interface().(Message))
-						case reflect.Slice: // E.g. Bytes type (e.g., []byte)
-							dv.Set(reflect.ValueOf(append([]byte{}, sv.Bytes()...)))
-						default: // Basic type (e.g., string)
-							dv.Set(sv)
-						}
-					}
-				}
-			}
-		default:
-			panic(fmt.Sprintf("merger not found for type:%s", tf))
-		}
-		mi.fields = append(mi.fields, mfi)
-	}
-
-	mi.unrecognized = invalidField
-	if f, ok := t.FieldByName("XXX_unrecognized"); ok {
-		if f.Type != reflect.TypeOf([]byte{}) {
-			panic("expected XXX_unrecognized to be of type []byte")
-		}
-		mi.unrecognized = toField(&f)
-	}
-
-	atomic.StoreInt32(&mi.initialized, 1)
-}

vendor/github.com/golang/protobuf/proto/table_unmarshal.go

@@ -1,2051 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2016 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"math"
-	"reflect"
-	"strconv"
-	"strings"
-	"sync"
-	"sync/atomic"
-	"unicode/utf8"
-)
-
-// Unmarshal is the entry point from the generated .pb.go files.
-// This function is not intended to be used by non-generated code.
-// This function is not subject to any compatibility guarantee.
-// msg contains a pointer to a protocol buffer struct.
-// b is the data to be unmarshaled into the protocol buffer.
-// a is a pointer to a place to store cached unmarshal information.
-func (a *InternalMessageInfo) Unmarshal(msg Message, b []byte) error {
-	// Load the unmarshal information for this message type.
-	// The atomic load ensures memory consistency.
-	u := atomicLoadUnmarshalInfo(&a.unmarshal)
-	if u == nil {
-		// Slow path: find unmarshal info for msg, update a with it.
-		u = getUnmarshalInfo(reflect.TypeOf(msg).Elem())
-		atomicStoreUnmarshalInfo(&a.unmarshal, u)
-	}
-	// Then do the unmarshaling.
-	err := u.unmarshal(toPointer(&msg), b)
-	return err
-}
-
-type unmarshalInfo struct {
-	typ reflect.Type // type of the protobuf struct
-
-	// 0 = only typ field is initialized
-	// 1 = completely initialized
-	initialized     int32
-	lock            sync.Mutex                    // prevents double initialization
-	dense           []unmarshalFieldInfo          // fields indexed by tag #
-	sparse          map[uint64]unmarshalFieldInfo // fields indexed by tag #
-	reqFields       []string                      // names of required fields
-	reqMask         uint64                        // 1<<len(reqFields)-1
-	unrecognized    field                         // offset of []byte to put unrecognized data (or invalidField if we should throw it away)
-	extensions      field                         // offset of extensions field (of type proto.XXX_InternalExtensions), or invalidField if it does not exist
-	oldExtensions   field                         // offset of old-form extensions field (of type map[int]Extension)
-	extensionRanges []ExtensionRange              // if non-nil, implies extensions field is valid
-	isMessageSet    bool                          // if true, implies extensions field is valid
-}
-
-// An unmarshaler takes a stream of bytes and a pointer to a field of a message.
-// It decodes the field, stores it at f, and returns the unused bytes.
-// w is the wire encoding.
-// b is the data after the tag and wire encoding have been read.
-type unmarshaler func(b []byte, f pointer, w int) ([]byte, error)
-
-type unmarshalFieldInfo struct {
-	// location of the field in the proto message structure.
-	field field
-
-	// function to unmarshal the data for the field.
-	unmarshal unmarshaler
-
-	// if a required field, contains a single set bit at this field's index in the required field list.
-	reqMask uint64
-
-	name string // name of the field, for error reporting
-}
-
-var (
-	unmarshalInfoMap  = map[reflect.Type]*unmarshalInfo{}
-	unmarshalInfoLock sync.Mutex
-)
-
-// getUnmarshalInfo returns the data structure which can be
-// subsequently used to unmarshal a message of the given type.
-// t is the type of the message (note: not pointer to message).
-func getUnmarshalInfo(t reflect.Type) *unmarshalInfo {
-	// It would be correct to return a new unmarshalInfo
-	// unconditionally. We would end up allocating one
-	// per occurrence of that type as a message or submessage.
-	// We use a cache here just to reduce memory usage.
-	unmarshalInfoLock.Lock()
-	defer unmarshalInfoLock.Unlock()
-	u := unmarshalInfoMap[t]
-	if u == nil {
-		u = &unmarshalInfo{typ: t}
-		// Note: we just set the type here. The rest of the fields
-		// will be initialized on first use.
-		unmarshalInfoMap[t] = u
-	}
-	return u
-}
-
-// unmarshal does the main work of unmarshaling a message.
-// u provides type information used to unmarshal the message.
-// m is a pointer to a protocol buffer message.
-// b is a byte stream to unmarshal into m.
-// This is top routine used when recursively unmarshaling submessages.
-func (u *unmarshalInfo) unmarshal(m pointer, b []byte) error {
-	if atomic.LoadInt32(&u.initialized) == 0 {
-		u.computeUnmarshalInfo()
-	}
-	if u.isMessageSet {
-		return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
-	}
-	var reqMask uint64 // bitmask of required fields we've seen.
-	var errLater error
-	for len(b) > 0 {
-		// Read tag and wire type.
-		// Special case 1 and 2 byte varints.
-		var x uint64
-		if b[0] < 128 {
-			x = uint64(b[0])
-			b = b[1:]
-		} else if len(b) >= 2 && b[1] < 128 {
-			x = uint64(b[0]&0x7f) + uint64(b[1])<<7
-			b = b[2:]
-		} else {
-			var n int
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-		}
-		tag := x >> 3
-		wire := int(x) & 7
-
-		// Dispatch on the tag to one of the unmarshal* functions below.
-		var f unmarshalFieldInfo
-		if tag < uint64(len(u.dense)) {
-			f = u.dense[tag]
-		} else {
-			f = u.sparse[tag]
-		}
-		if fn := f.unmarshal; fn != nil {
-			var err error
-			b, err = fn(b, m.offset(f.field), wire)
-			if err == nil {
-				reqMask |= f.reqMask
-				continue
-			}
-			if r, ok := err.(*RequiredNotSetError); ok {
-				// Remember this error, but keep parsing. We need to produce
-				// a full parse even if a required field is missing.
-				if errLater == nil {
-					errLater = r
-				}
-				reqMask |= f.reqMask
-				continue
-			}
-			if err != errInternalBadWireType {
-				if err == errInvalidUTF8 {
-					if errLater == nil {
-						fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name
-						errLater = &invalidUTF8Error{fullName}
-					}
-					continue
-				}
-				return err
-			}
-			// Fragments with bad wire type are treated as unknown fields.
-		}
-
-		// Unknown tag.
-		if !u.unrecognized.IsValid() {
-			// Don't keep unrecognized data; just skip it.
-			var err error
-			b, err = skipField(b, wire)
-			if err != nil {
-				return err
-			}
-			continue
-		}
-		// Keep unrecognized data around.
-		// maybe in extensions, maybe in the unrecognized field.
-		z := m.offset(u.unrecognized).toBytes()
-		var emap map[int32]Extension
-		var e Extension
-		for _, r := range u.extensionRanges {
-			if uint64(r.Start) <= tag && tag <= uint64(r.End) {
-				if u.extensions.IsValid() {
-					mp := m.offset(u.extensions).toExtensions()
-					emap = mp.extensionsWrite()
-					e = emap[int32(tag)]
-					z = &e.enc
-					break
-				}
-				if u.oldExtensions.IsValid() {
-					p := m.offset(u.oldExtensions).toOldExtensions()
-					emap = *p
-					if emap == nil {
-						emap = map[int32]Extension{}
-						*p = emap
-					}
-					e = emap[int32(tag)]
-					z = &e.enc
-					break
-				}
-				panic("no extensions field available")
-			}
-		}
-
-		// Use wire type to skip data.
-		var err error
-		b0 := b
-		b, err = skipField(b, wire)
-		if err != nil {
-			return err
-		}
-		*z = encodeVarint(*z, tag<<3|uint64(wire))
-		*z = append(*z, b0[:len(b0)-len(b)]...)
-
-		if emap != nil {
-			emap[int32(tag)] = e
-		}
-	}
-	if reqMask != u.reqMask && errLater == nil {
-		// A required field of this message is missing.
-		for _, n := range u.reqFields {
-			if reqMask&1 == 0 {
-				errLater = &RequiredNotSetError{n}
-			}
-			reqMask >>= 1
-		}
-	}
-	return errLater
-}
-
-// computeUnmarshalInfo fills in u with information for use
-// in unmarshaling protocol buffers of type u.typ.
-func (u *unmarshalInfo) computeUnmarshalInfo() {
-	u.lock.Lock()
-	defer u.lock.Unlock()
-	if u.initialized != 0 {
-		return
-	}
-	t := u.typ
-	n := t.NumField()
-
-	// Set up the "not found" value for the unrecognized byte buffer.
-	// This is the default for proto3.
-	u.unrecognized = invalidField
-	u.extensions = invalidField
-	u.oldExtensions = invalidField
-
-	// List of the generated type and offset for each oneof field.
-	type oneofField struct {
-		ityp  reflect.Type // interface type of oneof field
-		field field        // offset in containing message
-	}
-	var oneofFields []oneofField
-
-	for i := 0; i < n; i++ {
-		f := t.Field(i)
-		if f.Name == "XXX_unrecognized" {
-			// The byte slice used to hold unrecognized input is special.
-			if f.Type != reflect.TypeOf(([]byte)(nil)) {
-				panic("bad type for XXX_unrecognized field: " + f.Type.Name())
-			}
-			u.unrecognized = toField(&f)
-			continue
-		}
-		if f.Name == "XXX_InternalExtensions" {
-			// Ditto here.
-			if f.Type != reflect.TypeOf(XXX_InternalExtensions{}) {
-				panic("bad type for XXX_InternalExtensions field: " + f.Type.Name())
-			}
-			u.extensions = toField(&f)
-			if f.Tag.Get("protobuf_messageset") == "1" {
-				u.isMessageSet = true
-			}
-			continue
-		}
-		if f.Name == "XXX_extensions" {
-			// An older form of the extensions field.
-			if f.Type != reflect.TypeOf((map[int32]Extension)(nil)) {
-				panic("bad type for XXX_extensions field: " + f.Type.Name())
-			}
-			u.oldExtensions = toField(&f)
-			continue
-		}
-		if f.Name == "XXX_NoUnkeyedLiteral" || f.Name == "XXX_sizecache" {
-			continue
-		}
-
-		oneof := f.Tag.Get("protobuf_oneof")
-		if oneof != "" {
-			oneofFields = append(oneofFields, oneofField{f.Type, toField(&f)})
-			// The rest of oneof processing happens below.
-			continue
-		}
-
-		tags := f.Tag.Get("protobuf")
-		tagArray := strings.Split(tags, ",")
-		if len(tagArray) < 2 {
-			panic("protobuf tag not enough fields in " + t.Name() + "." + f.Name + ": " + tags)
-		}
-		tag, err := strconv.Atoi(tagArray[1])
-		if err != nil {
-			panic("protobuf tag field not an integer: " + tagArray[1])
-		}
-
-		name := ""
-		for _, tag := range tagArray[3:] {
-			if strings.HasPrefix(tag, "name=") {
-				name = tag[5:]
-			}
-		}
-
-		// Extract unmarshaling function from the field (its type and tags).
-		unmarshal := fieldUnmarshaler(&f)
-
-		// Required field?
-		var reqMask uint64
-		if tagArray[2] == "req" {
-			bit := len(u.reqFields)
-			u.reqFields = append(u.reqFields, name)
-			reqMask = uint64(1) << uint(bit)
-			// TODO: if we have more than 64 required fields, we end up
-			// not verifying that all required fields are present.
-			// Fix this, perhaps using a count of required fields?
-		}
-
-		// Store the info in the correct slot in the message.
-		u.setTag(tag, toField(&f), unmarshal, reqMask, name)
-	}
-
-	// Find any types associated with oneof fields.
-	// TODO: XXX_OneofFuncs returns more info than we need.  Get rid of some of it?
-	fn := reflect.Zero(reflect.PtrTo(t)).MethodByName("XXX_OneofFuncs")
-	if fn.IsValid() {
-		res := fn.Call(nil)[3] // last return value from XXX_OneofFuncs: []interface{}
-		for i := res.Len() - 1; i >= 0; i-- {
-			v := res.Index(i)                             // interface{}
-			tptr := reflect.ValueOf(v.Interface()).Type() // *Msg_X
-			typ := tptr.Elem()                            // Msg_X
-
-			f := typ.Field(0) // oneof implementers have one field
-			baseUnmarshal := fieldUnmarshaler(&f)
-			tags := strings.Split(f.Tag.Get("protobuf"), ",")
-			fieldNum, err := strconv.Atoi(tags[1])
-			if err != nil {
-				panic("protobuf tag field not an integer: " + tags[1])
-			}
-			var name string
-			for _, tag := range tags {
-				if strings.HasPrefix(tag, "name=") {
-					name = strings.TrimPrefix(tag, "name=")
-					break
-				}
-			}
-
-			// Find the oneof field that this struct implements.
-			// Might take O(n^2) to process all of the oneofs, but who cares.
-			for _, of := range oneofFields {
-				if tptr.Implements(of.ityp) {
-					// We have found the corresponding interface for this struct.
-					// That lets us know where this struct should be stored
-					// when we encounter it during unmarshaling.
-					unmarshal := makeUnmarshalOneof(typ, of.ityp, baseUnmarshal)
-					u.setTag(fieldNum, of.field, unmarshal, 0, name)
-				}
-			}
-		}
-	}
-
-	// Get extension ranges, if any.
-	fn = reflect.Zero(reflect.PtrTo(t)).MethodByName("ExtensionRangeArray")
-	if fn.IsValid() {
-		if !u.extensions.IsValid() && !u.oldExtensions.IsValid() {
-			panic("a message with extensions, but no extensions field in " + t.Name())
-		}
-		u.extensionRanges = fn.Call(nil)[0].Interface().([]ExtensionRange)
-	}
-
-	// Explicitly disallow tag 0. This will ensure we flag an error
-	// when decoding a buffer of all zeros. Without this code, we
-	// would decode and skip an all-zero buffer of even length.
-	// [0 0] is [tag=0/wiretype=varint varint-encoded-0].
-	u.setTag(0, zeroField, func(b []byte, f pointer, w int) ([]byte, error) {
-		return nil, fmt.Errorf("proto: %s: illegal tag 0 (wire type %d)", t, w)
-	}, 0, "")
-
-	// Set mask for required field check.
-	u.reqMask = uint64(1)<<uint(len(u.reqFields)) - 1
-
-	atomic.StoreInt32(&u.initialized, 1)
-}
-
-// setTag stores the unmarshal information for the given tag.
-// tag = tag # for field
-// field/unmarshal = unmarshal info for that field.
-// reqMask = if required, bitmask for field position in required field list. 0 otherwise.
-// name = short name of the field.
-func (u *unmarshalInfo) setTag(tag int, field field, unmarshal unmarshaler, reqMask uint64, name string) {
-	i := unmarshalFieldInfo{field: field, unmarshal: unmarshal, reqMask: reqMask, name: name}
-	n := u.typ.NumField()
-	if tag >= 0 && (tag < 16 || tag < 2*n) { // TODO: what are the right numbers here?
-		for len(u.dense) <= tag {
-			u.dense = append(u.dense, unmarshalFieldInfo{})
-		}
-		u.dense[tag] = i
-		return
-	}
-	if u.sparse == nil {
-		u.sparse = map[uint64]unmarshalFieldInfo{}
-	}
-	u.sparse[uint64(tag)] = i
-}
-
-// fieldUnmarshaler returns an unmarshaler for the given field.
-func fieldUnmarshaler(f *reflect.StructField) unmarshaler {
-	if f.Type.Kind() == reflect.Map {
-		return makeUnmarshalMap(f)
-	}
-	return typeUnmarshaler(f.Type, f.Tag.Get("protobuf"))
-}
-
-// typeUnmarshaler returns an unmarshaler for the given field type / field tag pair.
-func typeUnmarshaler(t reflect.Type, tags string) unmarshaler {
-	tagArray := strings.Split(tags, ",")
-	encoding := tagArray[0]
-	name := "unknown"
-	proto3 := false
-	validateUTF8 := true
-	for _, tag := range tagArray[3:] {
-		if strings.HasPrefix(tag, "name=") {
-			name = tag[5:]
-		}
-		if tag == "proto3" {
-			proto3 = true
-		}
-	}
-	validateUTF8 = validateUTF8 && proto3
-
-	// Figure out packaging (pointer, slice, or both)
-	slice := false
-	pointer := false
-	if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 {
-		slice = true
-		t = t.Elem()
-	}
-	if t.Kind() == reflect.Ptr {
-		pointer = true
-		t = t.Elem()
-	}
-
-	// We'll never have both pointer and slice for basic types.
-	if pointer && slice && t.Kind() != reflect.Struct {
-		panic("both pointer and slice for basic type in " + t.Name())
-	}
-
-	switch t.Kind() {
-	case reflect.Bool:
-		if pointer {
-			return unmarshalBoolPtr
-		}
-		if slice {
-			return unmarshalBoolSlice
-		}
-		return unmarshalBoolValue
-	case reflect.Int32:
-		switch encoding {
-		case "fixed32":
-			if pointer {
-				return unmarshalFixedS32Ptr
-			}
-			if slice {
-				return unmarshalFixedS32Slice
-			}
-			return unmarshalFixedS32Value
-		case "varint":
-			// this could be int32 or enum
-			if pointer {
-				return unmarshalInt32Ptr
-			}
-			if slice {
-				return unmarshalInt32Slice
-			}
-			return unmarshalInt32Value
-		case "zigzag32":
-			if pointer {
-				return unmarshalSint32Ptr
-			}
-			if slice {
-				return unmarshalSint32Slice
-			}
-			return unmarshalSint32Value
-		}
-	case reflect.Int64:
-		switch encoding {
-		case "fixed64":
-			if pointer {
-				return unmarshalFixedS64Ptr
-			}
-			if slice {
-				return unmarshalFixedS64Slice
-			}
-			return unmarshalFixedS64Value
-		case "varint":
-			if pointer {
-				return unmarshalInt64Ptr
-			}
-			if slice {
-				return unmarshalInt64Slice
-			}
-			return unmarshalInt64Value
-		case "zigzag64":
-			if pointer {
-				return unmarshalSint64Ptr
-			}
-			if slice {
-				return unmarshalSint64Slice
-			}
-			return unmarshalSint64Value
-		}
-	case reflect.Uint32:
-		switch encoding {
-		case "fixed32":
-			if pointer {
-				return unmarshalFixed32Ptr
-			}
-			if slice {
-				return unmarshalFixed32Slice
-			}
-			return unmarshalFixed32Value
-		case "varint":
-			if pointer {
-				return unmarshalUint32Ptr
-			}
-			if slice {
-				return unmarshalUint32Slice
-			}
-			return unmarshalUint32Value
-		}
-	case reflect.Uint64:
-		switch encoding {
-		case "fixed64":
-			if pointer {
-				return unmarshalFixed64Ptr
-			}
-			if slice {
-				return unmarshalFixed64Slice
-			}
-			return unmarshalFixed64Value
-		case "varint":
-			if pointer {
-				return unmarshalUint64Ptr
-			}
-			if slice {
-				return unmarshalUint64Slice
-			}
-			return unmarshalUint64Value
-		}
-	case reflect.Float32:
-		if pointer {
-			return unmarshalFloat32Ptr
-		}
-		if slice {
-			return unmarshalFloat32Slice
-		}
-		return unmarshalFloat32Value
-	case reflect.Float64:
-		if pointer {
-			return unmarshalFloat64Ptr
-		}
-		if slice {
-			return unmarshalFloat64Slice
-		}
-		return unmarshalFloat64Value
-	case reflect.Map:
-		panic("map type in typeUnmarshaler in " + t.Name())
-	case reflect.Slice:
-		if pointer {
-			panic("bad pointer in slice case in " + t.Name())
-		}
-		if slice {
-			return unmarshalBytesSlice
-		}
-		return unmarshalBytesValue
-	case reflect.String:
-		if validateUTF8 {
-			if pointer {
-				return unmarshalUTF8StringPtr
-			}
-			if slice {
-				return unmarshalUTF8StringSlice
-			}
-			return unmarshalUTF8StringValue
-		}
-		if pointer {
-			return unmarshalStringPtr
-		}
-		if slice {
-			return unmarshalStringSlice
-		}
-		return unmarshalStringValue
-	case reflect.Struct:
-		// message or group field
-		if !pointer {
-			panic(fmt.Sprintf("message/group field %s:%s without pointer", t, encoding))
-		}
-		switch encoding {
-		case "bytes":
-			if slice {
-				return makeUnmarshalMessageSlicePtr(getUnmarshalInfo(t), name)
-			}
-			return makeUnmarshalMessagePtr(getUnmarshalInfo(t), name)
-		case "group":
-			if slice {
-				return makeUnmarshalGroupSlicePtr(getUnmarshalInfo(t), name)
-			}
-			return makeUnmarshalGroupPtr(getUnmarshalInfo(t), name)
-		}
-	}
-	panic(fmt.Sprintf("unmarshaler not found type:%s encoding:%s", t, encoding))
-}
-
-// Below are all the unmarshalers for individual fields of various types.
-
-func unmarshalInt64Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int64(x)
-	*f.toInt64() = v
-	return b, nil
-}
-
-func unmarshalInt64Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int64(x)
-	*f.toInt64Ptr() = &v
-	return b, nil
-}
-
-func unmarshalInt64Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-			v := int64(x)
-			s := f.toInt64Slice()
-			*s = append(*s, v)
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int64(x)
-	s := f.toInt64Slice()
-	*s = append(*s, v)
-	return b, nil
-}
-
-func unmarshalSint64Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int64(x>>1) ^ int64(x)<<63>>63
-	*f.toInt64() = v
-	return b, nil
-}
-
-func unmarshalSint64Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int64(x>>1) ^ int64(x)<<63>>63
-	*f.toInt64Ptr() = &v
-	return b, nil
-}
-
-func unmarshalSint64Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-			v := int64(x>>1) ^ int64(x)<<63>>63
-			s := f.toInt64Slice()
-			*s = append(*s, v)
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int64(x>>1) ^ int64(x)<<63>>63
-	s := f.toInt64Slice()
-	*s = append(*s, v)
-	return b, nil
-}
-
-func unmarshalUint64Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := uint64(x)
-	*f.toUint64() = v
-	return b, nil
-}
-
-func unmarshalUint64Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := uint64(x)
-	*f.toUint64Ptr() = &v
-	return b, nil
-}
-
-func unmarshalUint64Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-			v := uint64(x)
-			s := f.toUint64Slice()
-			*s = append(*s, v)
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := uint64(x)
-	s := f.toUint64Slice()
-	*s = append(*s, v)
-	return b, nil
-}
-
-func unmarshalInt32Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int32(x)
-	*f.toInt32() = v
-	return b, nil
-}
-
-func unmarshalInt32Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int32(x)
-	f.setInt32Ptr(v)
-	return b, nil
-}
-
-func unmarshalInt32Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-			v := int32(x)
-			f.appendInt32Slice(v)
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int32(x)
-	f.appendInt32Slice(v)
-	return b, nil
-}
-
-func unmarshalSint32Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int32(x>>1) ^ int32(x)<<31>>31
-	*f.toInt32() = v
-	return b, nil
-}
-
-func unmarshalSint32Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int32(x>>1) ^ int32(x)<<31>>31
-	f.setInt32Ptr(v)
-	return b, nil
-}
-
-func unmarshalSint32Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-			v := int32(x>>1) ^ int32(x)<<31>>31
-			f.appendInt32Slice(v)
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := int32(x>>1) ^ int32(x)<<31>>31
-	f.appendInt32Slice(v)
-	return b, nil
-}
-
-func unmarshalUint32Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := uint32(x)
-	*f.toUint32() = v
-	return b, nil
-}
-
-func unmarshalUint32Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := uint32(x)
-	*f.toUint32Ptr() = &v
-	return b, nil
-}
-
-func unmarshalUint32Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			b = b[n:]
-			v := uint32(x)
-			s := f.toUint32Slice()
-			*s = append(*s, v)
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	v := uint32(x)
-	s := f.toUint32Slice()
-	*s = append(*s, v)
-	return b, nil
-}
-
-func unmarshalFixed64Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-	*f.toUint64() = v
-	return b[8:], nil
-}
-
-func unmarshalFixed64Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-	*f.toUint64Ptr() = &v
-	return b[8:], nil
-}
-
-func unmarshalFixed64Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			if len(b) < 8 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-			s := f.toUint64Slice()
-			*s = append(*s, v)
-			b = b[8:]
-		}
-		return res, nil
-	}
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
-	s := f.toUint64Slice()
-	*s = append(*s, v)
-	return b[8:], nil
-}
-
-func unmarshalFixedS64Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56
-	*f.toInt64() = v
-	return b[8:], nil
-}
-
-func unmarshalFixedS64Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56
-	*f.toInt64Ptr() = &v
-	return b[8:], nil
-}
-
-func unmarshalFixedS64Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			if len(b) < 8 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56
-			s := f.toInt64Slice()
-			*s = append(*s, v)
-			b = b[8:]
-		}
-		return res, nil
-	}
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := int64(b[0]) | int64(b[1])<<8 | int64(b[2])<<16 | int64(b[3])<<24 | int64(b[4])<<32 | int64(b[5])<<40 | int64(b[6])<<48 | int64(b[7])<<56
-	s := f.toInt64Slice()
-	*s = append(*s, v)
-	return b[8:], nil
-}
-
-func unmarshalFixed32Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-	*f.toUint32() = v
-	return b[4:], nil
-}
-
-func unmarshalFixed32Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-	*f.toUint32Ptr() = &v
-	return b[4:], nil
-}
-
-func unmarshalFixed32Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			if len(b) < 4 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-			s := f.toUint32Slice()
-			*s = append(*s, v)
-			b = b[4:]
-		}
-		return res, nil
-	}
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-	s := f.toUint32Slice()
-	*s = append(*s, v)
-	return b[4:], nil
-}
-
-func unmarshalFixedS32Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24
-	*f.toInt32() = v
-	return b[4:], nil
-}
-
-func unmarshalFixedS32Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24
-	f.setInt32Ptr(v)
-	return b[4:], nil
-}
-
-func unmarshalFixedS32Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			if len(b) < 4 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24
-			f.appendInt32Slice(v)
-			b = b[4:]
-		}
-		return res, nil
-	}
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := int32(b[0]) | int32(b[1])<<8 | int32(b[2])<<16 | int32(b[3])<<24
-	f.appendInt32Slice(v)
-	return b[4:], nil
-}
-
-func unmarshalBoolValue(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	// Note: any length varint is allowed, even though any sane
-	// encoder will use one byte.
-	// See https://github.com/golang/protobuf/issues/76
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	// TODO: check if x>1? Tests seem to indicate no.
-	v := x != 0
-	*f.toBool() = v
-	return b[n:], nil
-}
-
-func unmarshalBoolPtr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := x != 0
-	*f.toBoolPtr() = &v
-	return b[n:], nil
-}
-
-func unmarshalBoolSlice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			x, n = decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := x != 0
-			s := f.toBoolSlice()
-			*s = append(*s, v)
-			b = b[n:]
-		}
-		return res, nil
-	}
-	if w != WireVarint {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := x != 0
-	s := f.toBoolSlice()
-	*s = append(*s, v)
-	return b[n:], nil
-}
-
-func unmarshalFloat64Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56)
-	*f.toFloat64() = v
-	return b[8:], nil
-}
-
-func unmarshalFloat64Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56)
-	*f.toFloat64Ptr() = &v
-	return b[8:], nil
-}
-
-func unmarshalFloat64Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			if len(b) < 8 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56)
-			s := f.toFloat64Slice()
-			*s = append(*s, v)
-			b = b[8:]
-		}
-		return res, nil
-	}
-	if w != WireFixed64 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 8 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := math.Float64frombits(uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 | uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56)
-	s := f.toFloat64Slice()
-	*s = append(*s, v)
-	return b[8:], nil
-}
-
-func unmarshalFloat32Value(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24)
-	*f.toFloat32() = v
-	return b[4:], nil
-}
-
-func unmarshalFloat32Ptr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24)
-	*f.toFloat32Ptr() = &v
-	return b[4:], nil
-}
-
-func unmarshalFloat32Slice(b []byte, f pointer, w int) ([]byte, error) {
-	if w == WireBytes { // packed
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		res := b[x:]
-		b = b[:x]
-		for len(b) > 0 {
-			if len(b) < 4 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24)
-			s := f.toFloat32Slice()
-			*s = append(*s, v)
-			b = b[4:]
-		}
-		return res, nil
-	}
-	if w != WireFixed32 {
-		return b, errInternalBadWireType
-	}
-	if len(b) < 4 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := math.Float32frombits(uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24)
-	s := f.toFloat32Slice()
-	*s = append(*s, v)
-	return b[4:], nil
-}
-
-func unmarshalStringValue(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := string(b[:x])
-	*f.toString() = v
-	return b[x:], nil
-}
-
-func unmarshalStringPtr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := string(b[:x])
-	*f.toStringPtr() = &v
-	return b[x:], nil
-}
-
-func unmarshalStringSlice(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := string(b[:x])
-	s := f.toStringSlice()
-	*s = append(*s, v)
-	return b[x:], nil
-}
-
-func unmarshalUTF8StringValue(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := string(b[:x])
-	*f.toString() = v
-	if !utf8.ValidString(v) {
-		return b[x:], errInvalidUTF8
-	}
-	return b[x:], nil
-}
-
-func unmarshalUTF8StringPtr(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := string(b[:x])
-	*f.toStringPtr() = &v
-	if !utf8.ValidString(v) {
-		return b[x:], errInvalidUTF8
-	}
-	return b[x:], nil
-}
-
-func unmarshalUTF8StringSlice(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := string(b[:x])
-	s := f.toStringSlice()
-	*s = append(*s, v)
-	if !utf8.ValidString(v) {
-		return b[x:], errInvalidUTF8
-	}
-	return b[x:], nil
-}
-
-var emptyBuf [0]byte
-
-func unmarshalBytesValue(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	// The use of append here is a trick which avoids the zeroing
-	// that would be required if we used a make/copy pair.
-	// We append to emptyBuf instead of nil because we want
-	// a non-nil result even when the length is 0.
-	v := append(emptyBuf[:], b[:x]...)
-	*f.toBytes() = v
-	return b[x:], nil
-}
-
-func unmarshalBytesSlice(b []byte, f pointer, w int) ([]byte, error) {
-	if w != WireBytes {
-		return b, errInternalBadWireType
-	}
-	x, n := decodeVarint(b)
-	if n == 0 {
-		return nil, io.ErrUnexpectedEOF
-	}
-	b = b[n:]
-	if x > uint64(len(b)) {
-		return nil, io.ErrUnexpectedEOF
-	}
-	v := append(emptyBuf[:], b[:x]...)
-	s := f.toBytesSlice()
-	*s = append(*s, v)
-	return b[x:], nil
-}
-
-func makeUnmarshalMessagePtr(sub *unmarshalInfo, name string) unmarshaler {
-	return func(b []byte, f pointer, w int) ([]byte, error) {
-		if w != WireBytes {
-			return b, errInternalBadWireType
-		}
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		// First read the message field to see if something is there.
-		// The semantics of multiple submessages are weird.  Instead of
-		// the last one winning (as it is for all other fields), multiple
-		// submessages are merged.
-		v := f.getPointer()
-		if v.isNil() {
-			v = valToPointer(reflect.New(sub.typ))
-			f.setPointer(v)
-		}
-		err := sub.unmarshal(v, b[:x])
-		if err != nil {
-			if r, ok := err.(*RequiredNotSetError); ok {
-				r.field = name + "." + r.field
-			} else {
-				return nil, err
-			}
-		}
-		return b[x:], err
-	}
-}
-
-func makeUnmarshalMessageSlicePtr(sub *unmarshalInfo, name string) unmarshaler {
-	return func(b []byte, f pointer, w int) ([]byte, error) {
-		if w != WireBytes {
-			return b, errInternalBadWireType
-		}
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		v := valToPointer(reflect.New(sub.typ))
-		err := sub.unmarshal(v, b[:x])
-		if err != nil {
-			if r, ok := err.(*RequiredNotSetError); ok {
-				r.field = name + "." + r.field
-			} else {
-				return nil, err
-			}
-		}
-		f.appendPointer(v)
-		return b[x:], err
-	}
-}
-
-func makeUnmarshalGroupPtr(sub *unmarshalInfo, name string) unmarshaler {
-	return func(b []byte, f pointer, w int) ([]byte, error) {
-		if w != WireStartGroup {
-			return b, errInternalBadWireType
-		}
-		x, y := findEndGroup(b)
-		if x < 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		v := f.getPointer()
-		if v.isNil() {
-			v = valToPointer(reflect.New(sub.typ))
-			f.setPointer(v)
-		}
-		err := sub.unmarshal(v, b[:x])
-		if err != nil {
-			if r, ok := err.(*RequiredNotSetError); ok {
-				r.field = name + "." + r.field
-			} else {
-				return nil, err
-			}
-		}
-		return b[y:], err
-	}
-}
-
-func makeUnmarshalGroupSlicePtr(sub *unmarshalInfo, name string) unmarshaler {
-	return func(b []byte, f pointer, w int) ([]byte, error) {
-		if w != WireStartGroup {
-			return b, errInternalBadWireType
-		}
-		x, y := findEndGroup(b)
-		if x < 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		v := valToPointer(reflect.New(sub.typ))
-		err := sub.unmarshal(v, b[:x])
-		if err != nil {
-			if r, ok := err.(*RequiredNotSetError); ok {
-				r.field = name + "." + r.field
-			} else {
-				return nil, err
-			}
-		}
-		f.appendPointer(v)
-		return b[y:], err
-	}
-}
-
-func makeUnmarshalMap(f *reflect.StructField) unmarshaler {
-	t := f.Type
-	kt := t.Key()
-	vt := t.Elem()
-	unmarshalKey := typeUnmarshaler(kt, f.Tag.Get("protobuf_key"))
-	unmarshalVal := typeUnmarshaler(vt, f.Tag.Get("protobuf_val"))
-	return func(b []byte, f pointer, w int) ([]byte, error) {
-		// The map entry is a submessage. Figure out how big it is.
-		if w != WireBytes {
-			return nil, fmt.Errorf("proto: bad wiretype for map field: got %d want %d", w, WireBytes)
-		}
-		x, n := decodeVarint(b)
-		if n == 0 {
-			return nil, io.ErrUnexpectedEOF
-		}
-		b = b[n:]
-		if x > uint64(len(b)) {
-			return nil, io.ErrUnexpectedEOF
-		}
-		r := b[x:] // unused data to return
-		b = b[:x]  // data for map entry
-
-		// Note: we could use #keys * #values ~= 200 functions
-		// to do map decoding without reflection. Probably not worth it.
-		// Maps will be somewhat slow. Oh well.
-
-		// Read key and value from data.
-		var nerr nonFatal
-		k := reflect.New(kt)
-		v := reflect.New(vt)
-		for len(b) > 0 {
-			x, n := decodeVarint(b)
-			if n == 0 {
-				return nil, io.ErrUnexpectedEOF
-			}
-			wire := int(x) & 7
-			b = b[n:]
-
-			var err error
-			switch x >> 3 {
-			case 1:
-				b, err = unmarshalKey(b, valToPointer(k), wire)
-			case 2:
-				b, err = unmarshalVal(b, valToPointer(v), wire)
-			default:
-				err = errInternalBadWireType // skip unknown tag
-			}
-
-			if nerr.Merge(err) {
-				continue
-			}
-			if err != errInternalBadWireType {
-				return nil, err
-			}
-
-			// Skip past unknown fields.
-			b, err = skipField(b, wire)
-			if err != nil {
-				return nil, err
-			}
-		}
-
-		// Get map, allocate if needed.
-		m := f.asPointerTo(t).Elem() // an addressable map[K]T
-		if m.IsNil() {
-			m.Set(reflect.MakeMap(t))
-		}
-
-		// Insert into map.
-		m.SetMapIndex(k.Elem(), v.Elem())
-
-		return r, nerr.E
-	}
-}
-
-// makeUnmarshalOneof makes an unmarshaler for oneof fields.
-// for:
-// message Msg {
-//   oneof F {
-//     int64 X = 1;
-//     float64 Y = 2;
-//   }
-// }
-// typ is the type of the concrete entry for a oneof case (e.g. Msg_X).
-// ityp is the interface type of the oneof field (e.g. isMsg_F).
-// unmarshal is the unmarshaler for the base type of the oneof case (e.g. int64).
-// Note that this function will be called once for each case in the oneof.
-func makeUnmarshalOneof(typ, ityp reflect.Type, unmarshal unmarshaler) unmarshaler {
-	sf := typ.Field(0)
-	field0 := toField(&sf)
-	return func(b []byte, f pointer, w int) ([]byte, error) {
-		// Allocate holder for value.
-		v := reflect.New(typ)
-
-		// Unmarshal data into holder.
-		// We unmarshal into the first field of the holder object.
-		var err error
-		var nerr nonFatal
-		b, err = unmarshal(b, valToPointer(v).offset(field0), w)
-		if !nerr.Merge(err) {
-			return nil, err
-		}
-
-		// Write pointer to holder into target field.
-		f.asPointerTo(ityp).Elem().Set(v)
-
-		return b, nerr.E
-	}
-}
-
-// Error used by decode internally.
-var errInternalBadWireType = errors.New("proto: internal error: bad wiretype")
-
-// skipField skips past a field of type wire and returns the remaining bytes.
-func skipField(b []byte, wire int) ([]byte, error) {
-	switch wire {
-	case WireVarint:
-		_, k := decodeVarint(b)
-		if k == 0 {
-			return b, io.ErrUnexpectedEOF
-		}
-		b = b[k:]
-	case WireFixed32:
-		if len(b) < 4 {
-			return b, io.ErrUnexpectedEOF
-		}
-		b = b[4:]
-	case WireFixed64:
-		if len(b) < 8 {
-			return b, io.ErrUnexpectedEOF
-		}
-		b = b[8:]
-	case WireBytes:
-		m, k := decodeVarint(b)
-		if k == 0 || uint64(len(b)-k) < m {
-			return b, io.ErrUnexpectedEOF
-		}
-		b = b[uint64(k)+m:]
-	case WireStartGroup:
-		_, i := findEndGroup(b)
-		if i == -1 {
-			return b, io.ErrUnexpectedEOF
-		}
-		b = b[i:]
-	default:
-		return b, fmt.Errorf("proto: can't skip unknown wire type %d", wire)
-	}
-	return b, nil
-}
-
-// findEndGroup finds the index of the next EndGroup tag.
-// Groups may be nested, so the "next" EndGroup tag is the first
-// unpaired EndGroup.
-// findEndGroup returns the indexes of the start and end of the EndGroup tag.
-// Returns (-1,-1) if it can't find one.
-func findEndGroup(b []byte) (int, int) {
-	depth := 1
-	i := 0
-	for {
-		x, n := decodeVarint(b[i:])
-		if n == 0 {
-			return -1, -1
-		}
-		j := i
-		i += n
-		switch x & 7 {
-		case WireVarint:
-			_, k := decodeVarint(b[i:])
-			if k == 0 {
-				return -1, -1
-			}
-			i += k
-		case WireFixed32:
-			if len(b)-4 < i {
-				return -1, -1
-			}
-			i += 4
-		case WireFixed64:
-			if len(b)-8 < i {
-				return -1, -1
-			}
-			i += 8
-		case WireBytes:
-			m, k := decodeVarint(b[i:])
-			if k == 0 {
-				return -1, -1
-			}
-			i += k
-			if uint64(len(b)-i) < m {
-				return -1, -1
-			}
-			i += int(m)
-		case WireStartGroup:
-			depth++
-		case WireEndGroup:
-			depth--
-			if depth == 0 {
-				return j, i
-			}
-		default:
-			return -1, -1
-		}
-	}
-}
-
-// encodeVarint appends a varint-encoded integer to b and returns the result.
-func encodeVarint(b []byte, x uint64) []byte {
-	for x >= 1<<7 {
-		b = append(b, byte(x&0x7f|0x80))
-		x >>= 7
-	}
-	return append(b, byte(x))
-}
-
-// decodeVarint reads a varint-encoded integer from b.
-// Returns the decoded integer and the number of bytes read.
-// If there is an error, it returns 0,0.
-func decodeVarint(b []byte) (uint64, int) {
-	var x, y uint64
-	if len(b) <= 0 {
-		goto bad
-	}
-	x = uint64(b[0])
-	if x < 0x80 {
-		return x, 1
-	}
-	x -= 0x80
-
-	if len(b) <= 1 {
-		goto bad
-	}
-	y = uint64(b[1])
-	x += y << 7
-	if y < 0x80 {
-		return x, 2
-	}
-	x -= 0x80 << 7
-
-	if len(b) <= 2 {
-		goto bad
-	}
-	y = uint64(b[2])
-	x += y << 14
-	if y < 0x80 {
-		return x, 3
-	}
-	x -= 0x80 << 14
-
-	if len(b) <= 3 {
-		goto bad
-	}
-	y = uint64(b[3])
-	x += y << 21
-	if y < 0x80 {
-		return x, 4
-	}
-	x -= 0x80 << 21
-
-	if len(b) <= 4 {
-		goto bad
-	}
-	y = uint64(b[4])
-	x += y << 28
-	if y < 0x80 {
-		return x, 5
-	}
-	x -= 0x80 << 28
-
-	if len(b) <= 5 {
-		goto bad
-	}
-	y = uint64(b[5])
-	x += y << 35
-	if y < 0x80 {
-		return x, 6
-	}
-	x -= 0x80 << 35
-
-	if len(b) <= 6 {
-		goto bad
-	}
-	y = uint64(b[6])
-	x += y << 42
-	if y < 0x80 {
-		return x, 7
-	}
-	x -= 0x80 << 42
-
-	if len(b) <= 7 {
-		goto bad
-	}
-	y = uint64(b[7])
-	x += y << 49
-	if y < 0x80 {
-		return x, 8
-	}
-	x -= 0x80 << 49
-
-	if len(b) <= 8 {
-		goto bad
-	}
-	y = uint64(b[8])
-	x += y << 56
-	if y < 0x80 {
-		return x, 9
-	}
-	x -= 0x80 << 56
-
-	if len(b) <= 9 {
-		goto bad
-	}
-	y = uint64(b[9])
-	x += y << 63
-	if y < 2 {
-		return x, 10
-	}
-
-bad:
-	return 0, 0
-}

vendor/github.com/golang/protobuf/proto/text.go

@@ -1,843 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-// Functions for writing the text protocol buffer format.
-
-import (
-	"bufio"
-	"bytes"
-	"encoding"
-	"errors"
-	"fmt"
-	"io"
-	"log"
-	"math"
-	"reflect"
-	"sort"
-	"strings"
-)
-
-var (
-	newline         = []byte("\n")
-	spaces          = []byte("                                        ")
-	endBraceNewline = []byte("}\n")
-	backslashN      = []byte{'\\', 'n'}
-	backslashR      = []byte{'\\', 'r'}
-	backslashT      = []byte{'\\', 't'}
-	backslashDQ     = []byte{'\\', '"'}
-	backslashBS     = []byte{'\\', '\\'}
-	posInf          = []byte("inf")
-	negInf          = []byte("-inf")
-	nan             = []byte("nan")
-)
-
-type writer interface {
-	io.Writer
-	WriteByte(byte) error
-}
-
-// textWriter is an io.Writer that tracks its indentation level.
-type textWriter struct {
-	ind      int
-	complete bool // if the current position is a complete line
-	compact  bool // whether to write out as a one-liner
-	w        writer
-}
-
-func (w *textWriter) WriteString(s string) (n int, err error) {
-	if !strings.Contains(s, "\n") {
-		if !w.compact && w.complete {
-			w.writeIndent()
-		}
-		w.complete = false
-		return io.WriteString(w.w, s)
-	}
-	// WriteString is typically called without newlines, so this
-	// codepath and its copy are rare.  We copy to avoid
-	// duplicating all of Write's logic here.
-	return w.Write([]byte(s))
-}
-
-func (w *textWriter) Write(p []byte) (n int, err error) {
-	newlines := bytes.Count(p, newline)
-	if newlines == 0 {
-		if !w.compact && w.complete {
-			w.writeIndent()
-		}
-		n, err = w.w.Write(p)
-		w.complete = false
-		return n, err
-	}
-
-	frags := bytes.SplitN(p, newline, newlines+1)
-	if w.compact {
-		for i, frag := range frags {
-			if i > 0 {
-				if err := w.w.WriteByte(' '); err != nil {
-					return n, err
-				}
-				n++
-			}
-			nn, err := w.w.Write(frag)
-			n += nn
-			if err != nil {
-				return n, err
-			}
-		}
-		return n, nil
-	}
-
-	for i, frag := range frags {
-		if w.complete {
-			w.writeIndent()
-		}
-		nn, err := w.w.Write(frag)
-		n += nn
-		if err != nil {
-			return n, err
-		}
-		if i+1 < len(frags) {
-			if err := w.w.WriteByte('\n'); err != nil {
-				return n, err
-			}
-			n++
-		}
-	}
-	w.complete = len(frags[len(frags)-1]) == 0
-	return n, nil
-}
-
-func (w *textWriter) WriteByte(c byte) error {
-	if w.compact && c == '\n' {
-		c = ' '
-	}
-	if !w.compact && w.complete {
-		w.writeIndent()
-	}
-	err := w.w.WriteByte(c)
-	w.complete = c == '\n'
-	return err
-}
-
-func (w *textWriter) indent() { w.ind++ }
-
-func (w *textWriter) unindent() {
-	if w.ind == 0 {
-		log.Print("proto: textWriter unindented too far")
-		return
-	}
-	w.ind--
-}
-
-func writeName(w *textWriter, props *Properties) error {
-	if _, err := w.WriteString(props.OrigName); err != nil {
-		return err
-	}
-	if props.Wire != "group" {
-		return w.WriteByte(':')
-	}
-	return nil
-}
-
-func requiresQuotes(u string) bool {
-	// When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
-	for _, ch := range u {
-		switch {
-		case ch == '.' || ch == '/' || ch == '_':
-			continue
-		case '0' <= ch && ch <= '9':
-			continue
-		case 'A' <= ch && ch <= 'Z':
-			continue
-		case 'a' <= ch && ch <= 'z':
-			continue
-		default:
-			return true
-		}
-	}
-	return false
-}
-
-// isAny reports whether sv is a google.protobuf.Any message
-func isAny(sv reflect.Value) bool {
-	type wkt interface {
-		XXX_WellKnownType() string
-	}
-	t, ok := sv.Addr().Interface().(wkt)
-	return ok && t.XXX_WellKnownType() == "Any"
-}
-
-// writeProto3Any writes an expanded google.protobuf.Any message.
-//
-// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
-// required messages are not linked in).
-//
-// It returns (true, error) when sv was written in expanded format or an error
-// was encountered.
-func (tm *TextMarshaler) writeProto3Any(w *textWriter, sv reflect.Value) (bool, error) {
-	turl := sv.FieldByName("TypeUrl")
-	val := sv.FieldByName("Value")
-	if !turl.IsValid() || !val.IsValid() {
-		return true, errors.New("proto: invalid google.protobuf.Any message")
-	}
-
-	b, ok := val.Interface().([]byte)
-	if !ok {
-		return true, errors.New("proto: invalid google.protobuf.Any message")
-	}
-
-	parts := strings.Split(turl.String(), "/")
-	mt := MessageType(parts[len(parts)-1])
-	if mt == nil {
-		return false, nil
-	}
-	m := reflect.New(mt.Elem())
-	if err := Unmarshal(b, m.Interface().(Message)); err != nil {
-		return false, nil
-	}
-	w.Write([]byte("["))
-	u := turl.String()
-	if requiresQuotes(u) {
-		writeString(w, u)
-	} else {
-		w.Write([]byte(u))
-	}
-	if w.compact {
-		w.Write([]byte("]:<"))
-	} else {
-		w.Write([]byte("]: <\n"))
-		w.ind++
-	}
-	if err := tm.writeStruct(w, m.Elem()); err != nil {
-		return true, err
-	}
-	if w.compact {
-		w.Write([]byte("> "))
-	} else {
-		w.ind--
-		w.Write([]byte(">\n"))
-	}
-	return true, nil
-}
-
-func (tm *TextMarshaler) writeStruct(w *textWriter, sv reflect.Value) error {
-	if tm.ExpandAny && isAny(sv) {
-		if canExpand, err := tm.writeProto3Any(w, sv); canExpand {
-			return err
-		}
-	}
-	st := sv.Type()
-	sprops := GetProperties(st)
-	for i := 0; i < sv.NumField(); i++ {
-		fv := sv.Field(i)
-		props := sprops.Prop[i]
-		name := st.Field(i).Name
-
-		if name == "XXX_NoUnkeyedLiteral" {
-			continue
-		}
-
-		if strings.HasPrefix(name, "XXX_") {
-			// There are two XXX_ fields:
-			//   XXX_unrecognized []byte
-			//   XXX_extensions   map[int32]proto.Extension
-			// The first is handled here;
-			// the second is handled at the bottom of this function.
-			if name == "XXX_unrecognized" && !fv.IsNil() {
-				if err := writeUnknownStruct(w, fv.Interface().([]byte)); err != nil {
-					return err
-				}
-			}
-			continue
-		}
-		if fv.Kind() == reflect.Ptr && fv.IsNil() {
-			// Field not filled in. This could be an optional field or
-			// a required field that wasn't filled in. Either way, there
-			// isn't anything we can show for it.
-			continue
-		}
-		if fv.Kind() == reflect.Slice && fv.IsNil() {
-			// Repeated field that is empty, or a bytes field that is unused.
-			continue
-		}
-
-		if props.Repeated && fv.Kind() == reflect.Slice {
-			// Repeated field.
-			for j := 0; j < fv.Len(); j++ {
-				if err := writeName(w, props); err != nil {
-					return err
-				}
-				if !w.compact {
-					if err := w.WriteByte(' '); err != nil {
-						return err
-					}
-				}
-				v := fv.Index(j)
-				if v.Kind() == reflect.Ptr && v.IsNil() {
-					// A nil message in a repeated field is not valid,
-					// but we can handle that more gracefully than panicking.
-					if _, err := w.Write([]byte("<nil>\n")); err != nil {
-						return err
-					}
-					continue
-				}
-				if err := tm.writeAny(w, v, props); err != nil {
-					return err
-				}
-				if err := w.WriteByte('\n'); err != nil {
-					return err
-				}
-			}
-			continue
-		}
-		if fv.Kind() == reflect.Map {
-			// Map fields are rendered as a repeated struct with key/value fields.
-			keys := fv.MapKeys()
-			sort.Sort(mapKeys(keys))
-			for _, key := range keys {
-				val := fv.MapIndex(key)
-				if err := writeName(w, props); err != nil {
-					return err
-				}
-				if !w.compact {
-					if err := w.WriteByte(' '); err != nil {
-						return err
-					}
-				}
-				// open struct
-				if err := w.WriteByte('<'); err != nil {
-					return err
-				}
-				if !w.compact {
-					if err := w.WriteByte('\n'); err != nil {
-						return err
-					}
-				}
-				w.indent()
-				// key
-				if _, err := w.WriteString("key:"); err != nil {
-					return err
-				}
-				if !w.compact {
-					if err := w.WriteByte(' '); err != nil {
-						return err
-					}
-				}
-				if err := tm.writeAny(w, key, props.MapKeyProp); err != nil {
-					return err
-				}
-				if err := w.WriteByte('\n'); err != nil {
-					return err
-				}
-				// nil values aren't legal, but we can avoid panicking because of them.
-				if val.Kind() != reflect.Ptr || !val.IsNil() {
-					// value
-					if _, err := w.WriteString("value:"); err != nil {
-						return err
-					}
-					if !w.compact {
-						if err := w.WriteByte(' '); err != nil {
-							return err
-						}
-					}
-					if err := tm.writeAny(w, val, props.MapValProp); err != nil {
-						return err
-					}
-					if err := w.WriteByte('\n'); err != nil {
-						return err
-					}
-				}
-				// close struct
-				w.unindent()
-				if err := w.WriteByte('>'); err != nil {
-					return err
-				}
-				if err := w.WriteByte('\n'); err != nil {
-					return err
-				}
-			}
-			continue
-		}
-		if props.proto3 && fv.Kind() == reflect.Slice && fv.Len() == 0 {
-			// empty bytes field
-			continue
-		}
-		if fv.Kind() != reflect.Ptr && fv.Kind() != reflect.Slice {
-			// proto3 non-repeated scalar field; skip if zero value
-			if isProto3Zero(fv) {
-				continue
-			}
-		}
-
-		if fv.Kind() == reflect.Interface {
-			// Check if it is a oneof.
-			if st.Field(i).Tag.Get("protobuf_oneof") != "" {
-				// fv is nil, or holds a pointer to generated struct.
-				// That generated struct has exactly one field,
-				// which has a protobuf struct tag.
-				if fv.IsNil() {
-					continue
-				}
-				inner := fv.Elem().Elem() // interface -> *T -> T
-				tag := inner.Type().Field(0).Tag.Get("protobuf")
-				props = new(Properties) // Overwrite the outer props var, but not its pointee.
-				props.Parse(tag)
-				// Write the value in the oneof, not the oneof itself.
-				fv = inner.Field(0)
-
-				// Special case to cope with malformed messages gracefully:
-				// If the value in the oneof is a nil pointer, don't panic
-				// in writeAny.
-				if fv.Kind() == reflect.Ptr && fv.IsNil() {
-					// Use errors.New so writeAny won't render quotes.
-					msg := errors.New("/* nil */")
-					fv = reflect.ValueOf(&msg).Elem()
-				}
-			}
-		}
-
-		if err := writeName(w, props); err != nil {
-			return err
-		}
-		if !w.compact {
-			if err := w.WriteByte(' '); err != nil {
-				return err
-			}
-		}
-
-		// Enums have a String method, so writeAny will work fine.
-		if err := tm.writeAny(w, fv, props); err != nil {
-			return err
-		}
-
-		if err := w.WriteByte('\n'); err != nil {
-			return err
-		}
-	}
-
-	// Extensions (the XXX_extensions field).
-	pv := sv.Addr()
-	if _, err := extendable(pv.Interface()); err == nil {
-		if err := tm.writeExtensions(w, pv); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// writeAny writes an arbitrary field.
-func (tm *TextMarshaler) writeAny(w *textWriter, v reflect.Value, props *Properties) error {
-	v = reflect.Indirect(v)
-
-	// Floats have special cases.
-	if v.Kind() == reflect.Float32 || v.Kind() == reflect.Float64 {
-		x := v.Float()
-		var b []byte
-		switch {
-		case math.IsInf(x, 1):
-			b = posInf
-		case math.IsInf(x, -1):
-			b = negInf
-		case math.IsNaN(x):
-			b = nan
-		}
-		if b != nil {
-			_, err := w.Write(b)
-			return err
-		}
-		// Other values are handled below.
-	}
-
-	// We don't attempt to serialise every possible value type; only those
-	// that can occur in protocol buffers.
-	switch v.Kind() {
-	case reflect.Slice:
-		// Should only be a []byte; repeated fields are handled in writeStruct.
-		if err := writeString(w, string(v.Bytes())); err != nil {
-			return err
-		}
-	case reflect.String:
-		if err := writeString(w, v.String()); err != nil {
-			return err
-		}
-	case reflect.Struct:
-		// Required/optional group/message.
-		var bra, ket byte = '<', '>'
-		if props != nil && props.Wire == "group" {
-			bra, ket = '{', '}'
-		}
-		if err := w.WriteByte(bra); err != nil {
-			return err
-		}
-		if !w.compact {
-			if err := w.WriteByte('\n'); err != nil {
-				return err
-			}
-		}
-		w.indent()
-		if v.CanAddr() {
-			// Calling v.Interface on a struct causes the reflect package to
-			// copy the entire struct. This is racy with the new Marshaler
-			// since we atomically update the XXX_sizecache.
-			//
-			// Thus, we retrieve a pointer to the struct if possible to avoid
-			// a race since v.Interface on the pointer doesn't copy the struct.
-			//
-			// If v is not addressable, then we are not worried about a race
-			// since it implies that the binary Marshaler cannot possibly be
-			// mutating this value.
-			v = v.Addr()
-		}
-		if etm, ok := v.Interface().(encoding.TextMarshaler); ok {
-			text, err := etm.MarshalText()
-			if err != nil {
-				return err
-			}
-			if _, err = w.Write(text); err != nil {
-				return err
-			}
-		} else {
-			if v.Kind() == reflect.Ptr {
-				v = v.Elem()
-			}
-			if err := tm.writeStruct(w, v); err != nil {
-				return err
-			}
-		}
-		w.unindent()
-		if err := w.WriteByte(ket); err != nil {
-			return err
-		}
-	default:
-		_, err := fmt.Fprint(w, v.Interface())
-		return err
-	}
-	return nil
-}
-
-// equivalent to C's isprint.
-func isprint(c byte) bool {
-	return c >= 0x20 && c < 0x7f
-}
-
-// writeString writes a string in the protocol buffer text format.
-// It is similar to strconv.Quote except we don't use Go escape sequences,
-// we treat the string as a byte sequence, and we use octal escapes.
-// These differences are to maintain interoperability with the other
-// languages' implementations of the text format.
-func writeString(w *textWriter, s string) error {
-	// use WriteByte here to get any needed indent
-	if err := w.WriteByte('"'); err != nil {
-		return err
-	}
-	// Loop over the bytes, not the runes.
-	for i := 0; i < len(s); i++ {
-		var err error
-		// Divergence from C++: we don't escape apostrophes.
-		// There's no need to escape them, and the C++ parser
-		// copes with a naked apostrophe.
-		switch c := s[i]; c {
-		case '\n':
-			_, err = w.w.Write(backslashN)
-		case '\r':
-			_, err = w.w.Write(backslashR)
-		case '\t':
-			_, err = w.w.Write(backslashT)
-		case '"':
-			_, err = w.w.Write(backslashDQ)
-		case '\\':
-			_, err = w.w.Write(backslashBS)
-		default:
-			if isprint(c) {
-				err = w.w.WriteByte(c)
-			} else {
-				_, err = fmt.Fprintf(w.w, "\\%03o", c)
-			}
-		}
-		if err != nil {
-			return err
-		}
-	}
-	return w.WriteByte('"')
-}
-
-func writeUnknownStruct(w *textWriter, data []byte) (err error) {
-	if !w.compact {
-		if _, err := fmt.Fprintf(w, "/* %d unknown bytes */\n", len(data)); err != nil {
-			return err
-		}
-	}
-	b := NewBuffer(data)
-	for b.index < len(b.buf) {
-		x, err := b.DecodeVarint()
-		if err != nil {
-			_, err := fmt.Fprintf(w, "/* %v */\n", err)
-			return err
-		}
-		wire, tag := x&7, x>>3
-		if wire == WireEndGroup {
-			w.unindent()
-			if _, err := w.Write(endBraceNewline); err != nil {
-				return err
-			}
-			continue
-		}
-		if _, err := fmt.Fprint(w, tag); err != nil {
-			return err
-		}
-		if wire != WireStartGroup {
-			if err := w.WriteByte(':'); err != nil {
-				return err
-			}
-		}
-		if !w.compact || wire == WireStartGroup {
-			if err := w.WriteByte(' '); err != nil {
-				return err
-			}
-		}
-		switch wire {
-		case WireBytes:
-			buf, e := b.DecodeRawBytes(false)
-			if e == nil {
-				_, err = fmt.Fprintf(w, "%q", buf)
-			} else {
-				_, err = fmt.Fprintf(w, "/* %v */", e)
-			}
-		case WireFixed32:
-			x, err = b.DecodeFixed32()
-			err = writeUnknownInt(w, x, err)
-		case WireFixed64:
-			x, err = b.DecodeFixed64()
-			err = writeUnknownInt(w, x, err)
-		case WireStartGroup:
-			err = w.WriteByte('{')
-			w.indent()
-		case WireVarint:
-			x, err = b.DecodeVarint()
-			err = writeUnknownInt(w, x, err)
-		default:
-			_, err = fmt.Fprintf(w, "/* unknown wire type %d */", wire)
-		}
-		if err != nil {
-			return err
-		}
-		if err = w.WriteByte('\n'); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func writeUnknownInt(w *textWriter, x uint64, err error) error {
-	if err == nil {
-		_, err = fmt.Fprint(w, x)
-	} else {
-		_, err = fmt.Fprintf(w, "/* %v */", err)
-	}
-	return err
-}
-
-type int32Slice []int32
-
-func (s int32Slice) Len() int           { return len(s) }
-func (s int32Slice) Less(i, j int) bool { return s[i] < s[j] }
-func (s int32Slice) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
-
-// writeExtensions writes all the extensions in pv.
-// pv is assumed to be a pointer to a protocol message struct that is extendable.
-func (tm *TextMarshaler) writeExtensions(w *textWriter, pv reflect.Value) error {
-	emap := extensionMaps[pv.Type().Elem()]
-	ep, _ := extendable(pv.Interface())
-
-	// Order the extensions by ID.
-	// This isn't strictly necessary, but it will give us
-	// canonical output, which will also make testing easier.
-	m, mu := ep.extensionsRead()
-	if m == nil {
-		return nil
-	}
-	mu.Lock()
-	ids := make([]int32, 0, len(m))
-	for id := range m {
-		ids = append(ids, id)
-	}
-	sort.Sort(int32Slice(ids))
-	mu.Unlock()
-
-	for _, extNum := range ids {
-		ext := m[extNum]
-		var desc *ExtensionDesc
-		if emap != nil {
-			desc = emap[extNum]
-		}
-		if desc == nil {
-			// Unknown extension.
-			if err := writeUnknownStruct(w, ext.enc); err != nil {
-				return err
-			}
-			continue
-		}
-
-		pb, err := GetExtension(ep, desc)
-		if err != nil {
-			return fmt.Errorf("failed getting extension: %v", err)
-		}
-
-		// Repeated extensions will appear as a slice.
-		if !desc.repeated() {
-			if err := tm.writeExtension(w, desc.Name, pb); err != nil {
-				return err
-			}
-		} else {
-			v := reflect.ValueOf(pb)
-			for i := 0; i < v.Len(); i++ {
-				if err := tm.writeExtension(w, desc.Name, v.Index(i).Interface()); err != nil {
-					return err
-				}
-			}
-		}
-	}
-	return nil
-}
-
-func (tm *TextMarshaler) writeExtension(w *textWriter, name string, pb interface{}) error {
-	if _, err := fmt.Fprintf(w, "[%s]:", name); err != nil {
-		return err
-	}
-	if !w.compact {
-		if err := w.WriteByte(' '); err != nil {
-			return err
-		}
-	}
-	if err := tm.writeAny(w, reflect.ValueOf(pb), nil); err != nil {
-		return err
-	}
-	if err := w.WriteByte('\n'); err != nil {
-		return err
-	}
-	return nil
-}
-
-func (w *textWriter) writeIndent() {
-	if !w.complete {
-		return
-	}
-	remain := w.ind * 2
-	for remain > 0 {
-		n := remain
-		if n > len(spaces) {
-			n = len(spaces)
-		}
-		w.w.Write(spaces[:n])
-		remain -= n
-	}
-	w.complete = false
-}
-
-// TextMarshaler is a configurable text format marshaler.
-type TextMarshaler struct {
-	Compact   bool // use compact text format (one line).
-	ExpandAny bool // expand google.protobuf.Any messages of known types
-}
-
-// Marshal writes a given protocol buffer in text format.
-// The only errors returned are from w.
-func (tm *TextMarshaler) Marshal(w io.Writer, pb Message) error {
-	val := reflect.ValueOf(pb)
-	if pb == nil || val.IsNil() {
-		w.Write([]byte("<nil>"))
-		return nil
-	}
-	var bw *bufio.Writer
-	ww, ok := w.(writer)
-	if !ok {
-		bw = bufio.NewWriter(w)
-		ww = bw
-	}
-	aw := &textWriter{
-		w:        ww,
-		complete: true,
-		compact:  tm.Compact,
-	}
-
-	if etm, ok := pb.(encoding.TextMarshaler); ok {
-		text, err := etm.MarshalText()
-		if err != nil {
-			return err
-		}
-		if _, err = aw.Write(text); err != nil {
-			return err
-		}
-		if bw != nil {
-			return bw.Flush()
-		}
-		return nil
-	}
-	// Dereference the received pointer so we don't have outer < and >.
-	v := reflect.Indirect(val)
-	if err := tm.writeStruct(aw, v); err != nil {
-		return err
-	}
-	if bw != nil {
-		return bw.Flush()
-	}
-	return nil
-}
-
-// Text is the same as Marshal, but returns the string directly.
-func (tm *TextMarshaler) Text(pb Message) string {
-	var buf bytes.Buffer
-	tm.Marshal(&buf, pb)
-	return buf.String()
-}
-
-var (
-	defaultTextMarshaler = TextMarshaler{}
-	compactTextMarshaler = TextMarshaler{Compact: true}
-)
-
-// TODO: consider removing some of the Marshal functions below.
-
-// MarshalText writes a given protocol buffer in text format.
-// The only errors returned are from w.
-func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) }
-
-// MarshalTextString is the same as MarshalText, but returns the string directly.
-func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) }
-
-// CompactText writes a given protocol buffer in compact text format (one line).
-func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) }
-
-// CompactTextString is the same as CompactText, but returns the string directly.
-func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) }

vendor/github.com/golang/protobuf/proto/text_parser.go

@@ -1,880 +0,0 @@
-// Go support for Protocol Buffers - Google's data interchange format
-//
-// Copyright 2010 The Go Authors.  All rights reserved.
-// https://github.com/golang/protobuf
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-package proto
-
-// Functions for parsing the Text protocol buffer format.
-// TODO: message sets.
-
-import (
-	"encoding"
-	"errors"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-	"unicode/utf8"
-)
-
-// Error string emitted when deserializing Any and fields are already set
-const anyRepeatedlyUnpacked = "Any message unpacked multiple times, or %q already set"
-
-type ParseError struct {
-	Message string
-	Line    int // 1-based line number
-	Offset  int // 0-based byte offset from start of input
-}
-
-func (p *ParseError) Error() string {
-	if p.Line == 1 {
-		// show offset only for first line
-		return fmt.Sprintf("line 1.%d: %v", p.Offset, p.Message)
-	}
-	return fmt.Sprintf("line %d: %v", p.Line, p.Message)
-}
-
-type token struct {
-	value    string
-	err      *ParseError
-	line     int    // line number
-	offset   int    // byte number from start of input, not start of line
-	unquoted string // the unquoted version of value, if it was a quoted string
-}
-
-func (t *token) String() string {
-	if t.err == nil {
-		return fmt.Sprintf("%q (line=%d, offset=%d)", t.value, t.line, t.offset)
-	}
-	return fmt.Sprintf("parse error: %v", t.err)
-}
-
-type textParser struct {
-	s            string // remaining input
-	done         bool   // whether the parsing is finished (success or error)
-	backed       bool   // whether back() was called
-	offset, line int
-	cur          token
-}
-
-func newTextParser(s string) *textParser {
-	p := new(textParser)
-	p.s = s
-	p.line = 1
-	p.cur.line = 1
-	return p
-}
-
-func (p *textParser) errorf(format string, a ...interface{}) *ParseError {
-	pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset}
-	p.cur.err = pe
-	p.done = true
-	return pe
-}
-
-// Numbers and identifiers are matched by [-+._A-Za-z0-9]
-func isIdentOrNumberChar(c byte) bool {
-	switch {
-	case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z':
-		return true
-	case '0' <= c && c <= '9':
-		return true
-	}
-	switch c {
-	case '-', '+', '.', '_':
-		return true
-	}
-	return false
-}
-
-func isWhitespace(c byte) bool {
-	switch c {
-	case ' ', '\t', '\n', '\r':
-		return true
-	}
-	return false
-}
-
-func isQuote(c byte) bool {
-	switch c {
-	case '"', '\'':
-		return true
-	}
-	return false
-}
-
-func (p *textParser) skipWhitespace() {
-	i := 0
-	for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
-		if p.s[i] == '#' {
-			// comment; skip to end of line or input
-			for i < len(p.s) && p.s[i] != '\n' {
-				i++
-			}
-			if i == len(p.s) {
-				break
-			}
-		}
-		if p.s[i] == '\n' {
-			p.line++
-		}
-		i++
-	}
-	p.offset += i
-	p.s = p.s[i:len(p.s)]
-	if len(p.s) == 0 {
-		p.done = true
-	}
-}
-
-func (p *textParser) advance() {
-	// Skip whitespace
-	p.skipWhitespace()
-	if p.done {
-		return
-	}
-
-	// Start of non-whitespace
-	p.cur.err = nil
-	p.cur.offset, p.cur.line = p.offset, p.line
-	p.cur.unquoted = ""
-	switch p.s[0] {
-	case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/':
-		// Single symbol
-		p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)]
-	case '"', '\'':
-		// Quoted string
-		i := 1
-		for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' {
-			if p.s[i] == '\\' && i+1 < len(p.s) {
-				// skip escaped char
-				i++
-			}
-			i++
-		}
-		if i >= len(p.s) || p.s[i] != p.s[0] {
-			p.errorf("unmatched quote")
-			return
-		}
-		unq, err := unquoteC(p.s[1:i], rune(p.s[0]))
-		if err != nil {
-			p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err)
-			return
-		}
-		p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)]
-		p.cur.unquoted = unq
-	default:
-		i := 0
-		for i < len(p.s) && isIdentOrNumberChar(p.s[i]) {
-			i++
-		}
-		if i == 0 {
-			p.errorf("unexpected byte %#x", p.s[0])
-			return
-		}
-		p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)]
-	}
-	p.offset += len(p.cur.value)
-}
-
-var (
-	errBadUTF8 = errors.New("proto: bad UTF-8")
-)
-
-func unquoteC(s string, quote rune) (string, error) {
-	// This is based on C++'s tokenizer.cc.
-	// Despite its name, this is *not* parsing C syntax.
-	// For instance, "\0" is an invalid quoted string.
-
-	// Avoid allocation in trivial cases.
-	simple := true
-	for _, r := range s {
-		if r == '\\' || r == quote {
-			simple = false
-			break
-		}
-	}
-	if simple {
-		return s, nil
-	}
-
-	buf := make([]byte, 0, 3*len(s)/2)
-	for len(s) > 0 {
-		r, n := utf8.DecodeRuneInString(s)
-		if r == utf8.RuneError && n == 1 {
-			return "", errBadUTF8
-		}
-		s = s[n:]
-		if r != '\\' {
-			if r < utf8.RuneSelf {
-				buf = append(buf, byte(r))
-			} else {
-				buf = append(buf, string(r)...)
-			}
-			continue
-		}
-
-		ch, tail, err := unescape(s)
-		if err != nil {
-			return "", err
-		}
-		buf = append(buf, ch...)
-		s = tail
-	}
-	return string(buf), nil
-}
-
-func unescape(s string) (ch string, tail string, err error) {
-	r, n := utf8.DecodeRuneInString(s)
-	if r == utf8.RuneError && n == 1 {
-		return "", "", errBadUTF8
-	}
-	s = s[n:]
-	switch r {
-	case 'a':
-		return "\a", s, nil
-	case 'b':
-		return "\b", s, nil
-	case 'f':
-		return "\f", s, nil
-	case 'n':
-		return "\n", s, nil
-	case 'r':
-		return "\r", s, nil
-	case 't':
-		return "\t", s, nil
-	case 'v':
-		return "\v", s, nil
-	case '?':
-		return "?", s, nil // trigraph workaround
-	case '\'', '"', '\\':
-		return string(r), s, nil
-	case '0', '1', '2', '3', '4', '5', '6', '7':
-		if len(s) < 2 {
-			return "", "", fmt.Errorf(`\%c requires 2 following digits`, r)
-		}
-		ss := string(r) + s[:2]
-		s = s[2:]
-		i, err := strconv.ParseUint(ss, 8, 8)
-		if err != nil {
-			return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss)
-		}
-		return string([]byte{byte(i)}), s, nil
-	case 'x', 'X', 'u', 'U':
-		var n int
-		switch r {
-		case 'x', 'X':
-			n = 2
-		case 'u':
-			n = 4
-		case 'U':
-			n = 8
-		}
-		if len(s) < n {
-			return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n)
-		}
-		ss := s[:n]
-		s = s[n:]
-		i, err := strconv.ParseUint(ss, 16, 64)
-		if err != nil {
-			return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss)
-		}
-		if r == 'x' || r == 'X' {
-			return string([]byte{byte(i)}), s, nil
-		}
-		if i > utf8.MaxRune {
-			return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss)
-		}
-		return string(i), s, nil
-	}
-	return "", "", fmt.Errorf(`unknown escape \%c`, r)
-}
-
-// Back off the parser by one token. Can only be done between calls to next().
-// It makes the next advance() a no-op.
-func (p *textParser) back() { p.backed = true }
-
-// Advances the parser and returns the new current token.
-func (p *textParser) next() *token {
-	if p.backed || p.done {
-		p.backed = false
-		return &p.cur
-	}
-	p.advance()
-	if p.done {
-		p.cur.value = ""
-	} else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
-		// Look for multiple quoted strings separated by whitespace,
-		// and concatenate them.
-		cat := p.cur
-		for {
-			p.skipWhitespace()
-			if p.done || !isQuote(p.s[0]) {
-				break
-			}
-			p.advance()
-			if p.cur.err != nil {
-				return &p.cur
-			}
-			cat.value += " " + p.cur.value
-			cat.unquoted += p.cur.unquoted
-		}
-		p.done = false // parser may have seen EOF, but we want to return cat
-		p.cur = cat
-	}
-	return &p.cur
-}
-
-func (p *textParser) consumeToken(s string) error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != s {
-		p.back()
-		return p.errorf("expected %q, found %q", s, tok.value)
-	}
-	return nil
-}
-
-// Return a RequiredNotSetError indicating which required field was not set.
-func (p *textParser) missingRequiredFieldError(sv reflect.Value) *RequiredNotSetError {
-	st := sv.Type()
-	sprops := GetProperties(st)
-	for i := 0; i < st.NumField(); i++ {
-		if !isNil(sv.Field(i)) {
-			continue
-		}
-
-		props := sprops.Prop[i]
-		if props.Required {
-			return &RequiredNotSetError{fmt.Sprintf("%v.%v", st, props.OrigName)}
-		}
-	}
-	return &RequiredNotSetError{fmt.Sprintf("%v.<unknown field name>", st)} // should not happen
-}
-
-// Returns the index in the struct for the named field, as well as the parsed tag properties.
-func structFieldByName(sprops *StructProperties, name string) (int, *Properties, bool) {
-	i, ok := sprops.decoderOrigNames[name]
-	if ok {
-		return i, sprops.Prop[i], true
-	}
-	return -1, nil, false
-}
-
-// Consume a ':' from the input stream (if the next token is a colon),
-// returning an error if a colon is needed but not present.
-func (p *textParser) checkForColon(props *Properties, typ reflect.Type) *ParseError {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != ":" {
-		// Colon is optional when the field is a group or message.
-		needColon := true
-		switch props.Wire {
-		case "group":
-			needColon = false
-		case "bytes":
-			// A "bytes" field is either a message, a string, or a repeated field;
-			// those three become *T, *string and []T respectively, so we can check for
-			// this field being a pointer to a non-string.
-			if typ.Kind() == reflect.Ptr {
-				// *T or *string
-				if typ.Elem().Kind() == reflect.String {
-					break
-				}
-			} else if typ.Kind() == reflect.Slice {
-				// []T or []*T
-				if typ.Elem().Kind() != reflect.Ptr {
-					break
-				}
-			} else if typ.Kind() == reflect.String {
-				// The proto3 exception is for a string field,
-				// which requires a colon.
-				break
-			}
-			needColon = false
-		}
-		if needColon {
-			return p.errorf("expected ':', found %q", tok.value)
-		}
-		p.back()
-	}
-	return nil
-}
-
-func (p *textParser) readStruct(sv reflect.Value, terminator string) error {
-	st := sv.Type()
-	sprops := GetProperties(st)
-	reqCount := sprops.reqCount
-	var reqFieldErr error
-	fieldSet := make(map[string]bool)
-	// A struct is a sequence of "name: value", terminated by one of
-	// '>' or '}', or the end of the input.  A name may also be
-	// "[extension]" or "[type/url]".
-	//
-	// The whole struct can also be an expanded Any message, like:
-	// [type/url] < ... struct contents ... >
-	for {
-		tok := p.next()
-		if tok.err != nil {
-			return tok.err
-		}
-		if tok.value == terminator {
-			break
-		}
-		if tok.value == "[" {
-			// Looks like an extension or an Any.
-			//
-			// TODO: Check whether we need to handle
-			// namespace rooted names (e.g. ".something.Foo").
-			extName, err := p.consumeExtName()
-			if err != nil {
-				return err
-			}
-
-			if s := strings.LastIndex(extName, "/"); s >= 0 {
-				// If it contains a slash, it's an Any type URL.
-				messageName := extName[s+1:]
-				mt := MessageType(messageName)
-				if mt == nil {
-					return p.errorf("unrecognized message %q in google.protobuf.Any", messageName)
-				}
-				tok = p.next()
-				if tok.err != nil {
-					return tok.err
-				}
-				// consume an optional colon
-				if tok.value == ":" {
-					tok = p.next()
-					if tok.err != nil {
-						return tok.err
-					}
-				}
-				var terminator string
-				switch tok.value {
-				case "<":
-					terminator = ">"
-				case "{":
-					terminator = "}"
-				default:
-					return p.errorf("expected '{' or '<', found %q", tok.value)
-				}
-				v := reflect.New(mt.Elem())
-				if pe := p.readStruct(v.Elem(), terminator); pe != nil {
-					return pe
-				}
-				b, err := Marshal(v.Interface().(Message))
-				if err != nil {
-					return p.errorf("failed to marshal message of type %q: %v", messageName, err)
-				}
-				if fieldSet["type_url"] {
-					return p.errorf(anyRepeatedlyUnpacked, "type_url")
-				}
-				if fieldSet["value"] {
-					return p.errorf(anyRepeatedlyUnpacked, "value")
-				}
-				sv.FieldByName("TypeUrl").SetString(extName)
-				sv.FieldByName("Value").SetBytes(b)
-				fieldSet["type_url"] = true
-				fieldSet["value"] = true
-				continue
-			}
-
-			var desc *ExtensionDesc
-			// This could be faster, but it's functional.
-			// TODO: Do something smarter than a linear scan.
-			for _, d := range RegisteredExtensions(reflect.New(st).Interface().(Message)) {
-				if d.Name == extName {
-					desc = d
-					break
-				}
-			}
-			if desc == nil {
-				return p.errorf("unrecognized extension %q", extName)
-			}
-
-			props := &Properties{}
-			props.Parse(desc.Tag)
-
-			typ := reflect.TypeOf(desc.ExtensionType)
-			if err := p.checkForColon(props, typ); err != nil {
-				return err
-			}
-
-			rep := desc.repeated()
-
-			// Read the extension structure, and set it in
-			// the value we're constructing.
-			var ext reflect.Value
-			if !rep {
-				ext = reflect.New(typ).Elem()
-			} else {
-				ext = reflect.New(typ.Elem()).Elem()
-			}
-			if err := p.readAny(ext, props); err != nil {
-				if _, ok := err.(*RequiredNotSetError); !ok {
-					return err
-				}
-				reqFieldErr = err
-			}
-			ep := sv.Addr().Interface().(Message)
-			if !rep {
-				SetExtension(ep, desc, ext.Interface())
-			} else {
-				old, err := GetExtension(ep, desc)
-				var sl reflect.Value
-				if err == nil {
-					sl = reflect.ValueOf(old) // existing slice
-				} else {
-					sl = reflect.MakeSlice(typ, 0, 1)
-				}
-				sl = reflect.Append(sl, ext)
-				SetExtension(ep, desc, sl.Interface())
-			}
-			if err := p.consumeOptionalSeparator(); err != nil {
-				return err
-			}
-			continue
-		}
-
-		// This is a normal, non-extension field.
-		name := tok.value
-		var dst reflect.Value
-		fi, props, ok := structFieldByName(sprops, name)
-		if ok {
-			dst = sv.Field(fi)
-		} else if oop, ok := sprops.OneofTypes[name]; ok {
-			// It is a oneof.
-			props = oop.Prop
-			nv := reflect.New(oop.Type.Elem())
-			dst = nv.Elem().Field(0)
-			field := sv.Field(oop.Field)
-			if !field.IsNil() {
-				return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, sv.Type().Field(oop.Field).Name)
-			}
-			field.Set(nv)
-		}
-		if !dst.IsValid() {
-			return p.errorf("unknown field name %q in %v", name, st)
-		}
-
-		if dst.Kind() == reflect.Map {
-			// Consume any colon.
-			if err := p.checkForColon(props, dst.Type()); err != nil {
-				return err
-			}
-
-			// Construct the map if it doesn't already exist.
-			if dst.IsNil() {
-				dst.Set(reflect.MakeMap(dst.Type()))
-			}
-			key := reflect.New(dst.Type().Key()).Elem()
-			val := reflect.New(dst.Type().Elem()).Elem()
-
-			// The map entry should be this sequence of tokens:
-			//	< key : KEY value : VALUE >
-			// However, implementations may omit key or value, and technically
-			// we should support them in any order.  See b/28924776 for a time
-			// this went wrong.
-
-			tok := p.next()
-			var terminator string
-			switch tok.value {
-			case "<":
-				terminator = ">"
-			case "{":
-				terminator = "}"
-			default:
-				return p.errorf("expected '{' or '<', found %q", tok.value)
-			}
-			for {
-				tok := p.next()
-				if tok.err != nil {
-					return tok.err
-				}
-				if tok.value == terminator {
-					break
-				}
-				switch tok.value {
-				case "key":
-					if err := p.consumeToken(":"); err != nil {
-						return err
-					}
-					if err := p.readAny(key, props.MapKeyProp); err != nil {
-						return err
-					}
-					if err := p.consumeOptionalSeparator(); err != nil {
-						return err
-					}
-				case "value":
-					if err := p.checkForColon(props.MapValProp, dst.Type().Elem()); err != nil {
-						return err
-					}
-					if err := p.readAny(val, props.MapValProp); err != nil {
-						return err
-					}
-					if err := p.consumeOptionalSeparator(); err != nil {
-						return err
-					}
-				default:
-					p.back()
-					return p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value)
-				}
-			}
-
-			dst.SetMapIndex(key, val)
-			continue
-		}
-
-		// Check that it's not already set if it's not a repeated field.
-		if !props.Repeated && fieldSet[name] {
-			return p.errorf("non-repeated field %q was repeated", name)
-		}
-
-		if err := p.checkForColon(props, dst.Type()); err != nil {
-			return err
-		}
-
-		// Parse into the field.
-		fieldSet[name] = true
-		if err := p.readAny(dst, props); err != nil {
-			if _, ok := err.(*RequiredNotSetError); !ok {
-				return err
-			}
-			reqFieldErr = err
-		}
-		if props.Required {
-			reqCount--
-		}
-
-		if err := p.consumeOptionalSeparator(); err != nil {
-			return err
-		}
-
-	}
-
-	if reqCount > 0 {
-		return p.missingRequiredFieldError(sv)
-	}
-	return reqFieldErr
-}
-
-// consumeExtName consumes extension name or expanded Any type URL and the
-// following ']'. It returns the name or URL consumed.
-func (p *textParser) consumeExtName() (string, error) {
-	tok := p.next()
-	if tok.err != nil {
-		return "", tok.err
-	}
-
-	// If extension name or type url is quoted, it's a single token.
-	if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] {
-		name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0]))
-		if err != nil {
-			return "", err
-		}
-		return name, p.consumeToken("]")
-	}
-
-	// Consume everything up to "]"
-	var parts []string
-	for tok.value != "]" {
-		parts = append(parts, tok.value)
-		tok = p.next()
-		if tok.err != nil {
-			return "", p.errorf("unrecognized type_url or extension name: %s", tok.err)
-		}
-		if p.done && tok.value != "]" {
-			return "", p.errorf("unclosed type_url or extension name")
-		}
-	}
-	return strings.Join(parts, ""), nil
-}
-
-// consumeOptionalSeparator consumes an optional semicolon or comma.
-// It is used in readStruct to provide backward compatibility.
-func (p *textParser) consumeOptionalSeparator() error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value != ";" && tok.value != "," {
-		p.back()
-	}
-	return nil
-}
-
-func (p *textParser) readAny(v reflect.Value, props *Properties) error {
-	tok := p.next()
-	if tok.err != nil {
-		return tok.err
-	}
-	if tok.value == "" {
-		return p.errorf("unexpected EOF")
-	}
-
-	switch fv := v; fv.Kind() {
-	case reflect.Slice:
-		at := v.Type()
-		if at.Elem().Kind() == reflect.Uint8 {
-			// Special case for []byte
-			if tok.value[0] != '"' && tok.value[0] != '\'' {
-				// Deliberately written out here, as the error after
-				// this switch statement would write "invalid []byte: ...",
-				// which is not as user-friendly.
-				return p.errorf("invalid string: %v", tok.value)
-			}
-			bytes := []byte(tok.unquoted)
-			fv.Set(reflect.ValueOf(bytes))
-			return nil
-		}
-		// Repeated field.
-		if tok.value == "[" {
-			// Repeated field with list notation, like [1,2,3].
-			for {
-				fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem()))
-				err := p.readAny(fv.Index(fv.Len()-1), props)
-				if err != nil {
-					return err
-				}
-				tok := p.next()
-				if tok.err != nil {
-					return tok.err
-				}
-				if tok.value == "]" {
-					break
-				}
-				if tok.value != "," {
-					return p.errorf("Expected ']' or ',' found %q", tok.value)
-				}
-			}
-			return nil
-		}
-		// One value of the repeated field.
-		p.back()
-		fv.Set(reflect.Append(fv, reflect.New(at.Elem()).Elem()))
-		return p.readAny(fv.Index(fv.Len()-1), props)
-	case reflect.Bool:
-		// true/1/t/True or false/f/0/False.
-		switch tok.value {
-		case "true", "1", "t", "True":
-			fv.SetBool(true)
-			return nil
-		case "false", "0", "f", "False":
-			fv.SetBool(false)
-			return nil
-		}
-	case reflect.Float32, reflect.Float64:
-		v := tok.value
-		// Ignore 'f' for compatibility with output generated by C++, but don't
-		// remove 'f' when the value is "-inf" or "inf".
-		if strings.HasSuffix(v, "f") && tok.value != "-inf" && tok.value != "inf" {
-			v = v[:len(v)-1]
-		}
-		if f, err := strconv.ParseFloat(v, fv.Type().Bits()); err == nil {
-			fv.SetFloat(f)
-			return nil
-		}
-	case reflect.Int32:
-		if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
-			fv.SetInt(x)
-			return nil
-		}
-
-		if len(props.Enum) == 0 {
-			break
-		}
-		m, ok := enumValueMaps[props.Enum]
-		if !ok {
-			break
-		}
-		x, ok := m[tok.value]
-		if !ok {
-			break
-		}
-		fv.SetInt(int64(x))
-		return nil
-	case reflect.Int64:
-		if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil {
-			fv.SetInt(x)
-			return nil
-		}
-
-	case reflect.Ptr:
-		// A basic field (indirected through pointer), or a repeated message/group
-		p.back()
-		fv.Set(reflect.New(fv.Type().Elem()))
-		return p.readAny(fv.Elem(), props)
-	case reflect.String:
-		if tok.value[0] == '"' || tok.value[0] == '\'' {
-			fv.SetString(tok.unquoted)
-			return nil
-		}
-	case reflect.Struct:
-		var terminator string
-		switch tok.value {
-		case "{":
-			terminator = "}"
-		case "<":
-			terminator = ">"
-		default:
-			return p.errorf("expected '{' or '<', found %q", tok.value)
-		}
-		// TODO: Handle nested messages which implement encoding.TextUnmarshaler.
-		return p.readStruct(fv, terminator)
-	case reflect.Uint32:
-		if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
-			fv.SetUint(uint64(x))
-			return nil
-		}
-	case reflect.Uint64:
-		if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
-			fv.SetUint(x)
-			return nil
-		}
-	}
-	return p.errorf("invalid %v: %v", v.Type(), tok.value)
-}
-
-// UnmarshalText reads a protocol buffer in Text format. UnmarshalText resets pb
-// before starting to unmarshal, so any existing data in pb is always removed.
-// If a required field is not set and no other error occurs,
-// UnmarshalText returns *RequiredNotSetError.
-func UnmarshalText(s string, pb Message) error {
-	if um, ok := pb.(encoding.TextUnmarshaler); ok {
-		return um.UnmarshalText([]byte(s))
-	}
-	pb.Reset()
-	v := reflect.ValueOf(pb)
-	return newTextParser(s).readStruct(v.Elem(), "")
-}

vendor/github.com/klauspost/cpuid/private-gen.go

@@ -1,476 +0,0 @@
-// +build ignore
-
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"go/ast"
-	"go/parser"
-	"go/printer"
-	"go/token"
-	"io"
-	"io/ioutil"
-	"log"
-	"os"
-	"reflect"
-	"strings"
-	"unicode"
-	"unicode/utf8"
-)
-
-var inFiles = []string{"cpuid.go", "cpuid_test.go"}
-var copyFiles = []string{"cpuid_amd64.s", "cpuid_386.s", "detect_ref.go", "detect_intel.go"}
-var fileSet = token.NewFileSet()
-var reWrites = []rewrite{
-	initRewrite("CPUInfo -> cpuInfo"),
-	initRewrite("Vendor -> vendor"),
-	initRewrite("Flags -> flags"),
-	initRewrite("Detect -> detect"),
-	initRewrite("CPU -> cpu"),
-}
-var excludeNames = map[string]bool{"string": true, "join": true, "trim": true,
-	// cpuid_test.go
-	"t": true, "println": true, "logf": true, "log": true, "fatalf": true, "fatal": true,
-}
-
-var excludePrefixes = []string{"test", "benchmark"}
-
-func main() {
-	Package := "private"
-	parserMode := parser.ParseComments
-	exported := make(map[string]rewrite)
-	for _, file := range inFiles {
-		in, err := os.Open(file)
-		if err != nil {
-			log.Fatalf("opening input", err)
-		}
-
-		src, err := ioutil.ReadAll(in)
-		if err != nil {
-			log.Fatalf("reading input", err)
-		}
-
-		astfile, err := parser.ParseFile(fileSet, file, src, parserMode)
-		if err != nil {
-			log.Fatalf("parsing input", err)
-		}
-
-		for _, rw := range reWrites {
-			astfile = rw(astfile)
-		}
-
-		// Inspect the AST and print all identifiers and literals.
-		var startDecl token.Pos
-		var endDecl token.Pos
-		ast.Inspect(astfile, func(n ast.Node) bool {
-			var s string
-			switch x := n.(type) {
-			case *ast.Ident:
-				if x.IsExported() {
-					t := strings.ToLower(x.Name)
-					for _, pre := range excludePrefixes {
-						if strings.HasPrefix(t, pre) {
-							return true
-						}
-					}
-					if excludeNames[t] != true {
-						//if x.Pos() > startDecl && x.Pos() < endDecl {
-						exported[x.Name] = initRewrite(x.Name + " -> " + t)
-					}
-				}
-
-			case *ast.GenDecl:
-				if x.Tok == token.CONST && x.Lparen > 0 {
-					startDecl = x.Lparen
-					endDecl = x.Rparen
-					// fmt.Printf("Decl:%s -> %s\n", fileSet.Position(startDecl), fileSet.Position(endDecl))
-				}
-			}
-			if s != "" {
-				fmt.Printf("%s:\t%s\n", fileSet.Position(n.Pos()), s)
-			}
-			return true
-		})
-
-		for _, rw := range exported {
-			astfile = rw(astfile)
-		}
-
-		var buf bytes.Buffer
-
-		printer.Fprint(&buf, fileSet, astfile)
-
-		// Remove package documentation and insert information
-		s := buf.String()
-		ind := strings.Index(buf.String(), "\npackage cpuid")
-		s = s[ind:]
-		s = "// Generated, DO NOT EDIT,\n" +
-			"// but copy it to your own project and rename the package.\n" +
-			"// See more at http://github.com/klauspost/cpuid\n" +
-			s
-
-		outputName := Package + string(os.PathSeparator) + file
-
-		err = ioutil.WriteFile(outputName, []byte(s), 0644)
-		if err != nil {
-			log.Fatalf("writing output: %s", err)
-		}
-		log.Println("Generated", outputName)
-	}
-
-	for _, file := range copyFiles {
-		dst := ""
-		if strings.HasPrefix(file, "cpuid") {
-			dst = Package + string(os.PathSeparator) + file
-		} else {
-			dst = Package + string(os.PathSeparator) + "cpuid_" + file
-		}
-		err := copyFile(file, dst)
-		if err != nil {
-			log.Fatalf("copying file: %s", err)
-		}
-		log.Println("Copied", dst)
-	}
-}
-
-// CopyFile copies a file from src to dst. If src and dst files exist, and are
-// the same, then return success. Copy the file contents from src to dst.
-func copyFile(src, dst string) (err error) {
-	sfi, err := os.Stat(src)
-	if err != nil {
-		return
-	}
-	if !sfi.Mode().IsRegular() {
-		// cannot copy non-regular files (e.g., directories,
-		// symlinks, devices, etc.)
-		return fmt.Errorf("CopyFile: non-regular source file %s (%q)", sfi.Name(), sfi.Mode().String())
-	}
-	dfi, err := os.Stat(dst)
-	if err != nil {
-		if !os.IsNotExist(err) {
-			return
-		}
-	} else {
-		if !(dfi.Mode().IsRegular()) {
-			return fmt.Errorf("CopyFile: non-regular destination file %s (%q)", dfi.Name(), dfi.Mode().String())
-		}
-		if os.SameFile(sfi, dfi) {
-			return
-		}
-	}
-	err = copyFileContents(src, dst)
-	return
-}
-
-// copyFileContents copies the contents of the file named src to the file named
-// by dst. The file will be created if it does not already exist. If the
-// destination file exists, all it's contents will be replaced by the contents
-// of the source file.
-func copyFileContents(src, dst string) (err error) {
-	in, err := os.Open(src)
-	if err != nil {
-		return
-	}
-	defer in.Close()
-	out, err := os.Create(dst)
-	if err != nil {
-		return
-	}
-	defer func() {
-		cerr := out.Close()
-		if err == nil {
-			err = cerr
-		}
-	}()
-	if _, err = io.Copy(out, in); err != nil {
-		return
-	}
-	err = out.Sync()
-	return
-}
-
-type rewrite func(*ast.File) *ast.File
-
-// Mostly copied from gofmt
-func initRewrite(rewriteRule string) rewrite {
-	f := strings.Split(rewriteRule, "->")
-	if len(f) != 2 {
-		fmt.Fprintf(os.Stderr, "rewrite rule must be of the form 'pattern -> replacement'\n")
-		os.Exit(2)
-	}
-	pattern := parseExpr(f[0], "pattern")
-	replace := parseExpr(f[1], "replacement")
-	return func(p *ast.File) *ast.File { return rewriteFile(pattern, replace, p) }
-}
-
-// parseExpr parses s as an expression.
-// It might make sense to expand this to allow statement patterns,
-// but there are problems with preserving formatting and also
-// with what a wildcard for a statement looks like.
-func parseExpr(s, what string) ast.Expr {
-	x, err := parser.ParseExpr(s)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "parsing %s %s at %s\n", what, s, err)
-		os.Exit(2)
-	}
-	return x
-}
-
-// Keep this function for debugging.
-/*
-func dump(msg string, val reflect.Value) {
-	fmt.Printf("%s:\n", msg)
-	ast.Print(fileSet, val.Interface())
-	fmt.Println()
-}
-*/
-
-// rewriteFile applies the rewrite rule 'pattern -> replace' to an entire file.
-func rewriteFile(pattern, replace ast.Expr, p *ast.File) *ast.File {
-	cmap := ast.NewCommentMap(fileSet, p, p.Comments)
-	m := make(map[string]reflect.Value)
-	pat := reflect.ValueOf(pattern)
-	repl := reflect.ValueOf(replace)
-
-	var rewriteVal func(val reflect.Value) reflect.Value
-	rewriteVal = func(val reflect.Value) reflect.Value {
-		// don't bother if val is invalid to start with
-		if !val.IsValid() {
-			return reflect.Value{}
-		}
-		for k := range m {
-			delete(m, k)
-		}
-		val = apply(rewriteVal, val)
-		if match(m, pat, val) {
-			val = subst(m, repl, reflect.ValueOf(val.Interface().(ast.Node).Pos()))
-		}
-		return val
-	}
-
-	r := apply(rewriteVal, reflect.ValueOf(p)).Interface().(*ast.File)
-	r.Comments = cmap.Filter(r).Comments() // recreate comments list
-	return r
-}
-
-// set is a wrapper for x.Set(y); it protects the caller from panics if x cannot be changed to y.
-func set(x, y reflect.Value) {
-	// don't bother if x cannot be set or y is invalid
-	if !x.CanSet() || !y.IsValid() {
-		return
-	}
-	defer func() {
-		if x := recover(); x != nil {
-			if s, ok := x.(string); ok &&
-				(strings.Contains(s, "type mismatch") || strings.Contains(s, "not assignable")) {
-				// x cannot be set to y - ignore this rewrite
-				return
-			}
-			panic(x)
-		}
-	}()
-	x.Set(y)
-}
-
-// Values/types for special cases.
-var (
-	objectPtrNil = reflect.ValueOf((*ast.Object)(nil))
-	scopePtrNil  = reflect.ValueOf((*ast.Scope)(nil))
-
-	identType     = reflect.TypeOf((*ast.Ident)(nil))
-	objectPtrType = reflect.TypeOf((*ast.Object)(nil))
-	positionType  = reflect.TypeOf(token.NoPos)
-	callExprType  = reflect.TypeOf((*ast.CallExpr)(nil))
-	scopePtrType  = reflect.TypeOf((*ast.Scope)(nil))
-)
-
-// apply replaces each AST field x in val with f(x), returning val.
-// To avoid extra conversions, f operates on the reflect.Value form.
-func apply(f func(reflect.Value) reflect.Value, val reflect.Value) reflect.Value {
-	if !val.IsValid() {
-		return reflect.Value{}
-	}
-
-	// *ast.Objects introduce cycles and are likely incorrect after
-	// rewrite; don't follow them but replace with nil instead
-	if val.Type() == objectPtrType {
-		return objectPtrNil
-	}
-
-	// similarly for scopes: they are likely incorrect after a rewrite;
-	// replace them with nil
-	if val.Type() == scopePtrType {
-		return scopePtrNil
-	}
-
-	switch v := reflect.Indirect(val); v.Kind() {
-	case reflect.Slice:
-		for i := 0; i < v.Len(); i++ {
-			e := v.Index(i)
-			set(e, f(e))
-		}
-	case reflect.Struct:
-		for i := 0; i < v.NumField(); i++ {
-			e := v.Field(i)
-			set(e, f(e))
-		}
-	case reflect.Interface:
-		e := v.Elem()
-		set(v, f(e))
-	}
-	return val
-}
-
-func isWildcard(s string) bool {
-	rune, size := utf8.DecodeRuneInString(s)
-	return size == len(s) && unicode.IsLower(rune)
-}
-
-// match returns true if pattern matches val,
-// recording wildcard submatches in m.
-// If m == nil, match checks whether pattern == val.
-func match(m map[string]reflect.Value, pattern, val reflect.Value) bool {
-	// Wildcard matches any expression.  If it appears multiple
-	// times in the pattern, it must match the same expression
-	// each time.
-	if m != nil && pattern.IsValid() && pattern.Type() == identType {
-		name := pattern.Interface().(*ast.Ident).Name
-		if isWildcard(name) && val.IsValid() {
-			// wildcards only match valid (non-nil) expressions.
-			if _, ok := val.Interface().(ast.Expr); ok && !val.IsNil() {
-				if old, ok := m[name]; ok {
-					return match(nil, old, val)
-				}
-				m[name] = val
-				return true
-			}
-		}
-	}
-
-	// Otherwise, pattern and val must match recursively.
-	if !pattern.IsValid() || !val.IsValid() {
-		return !pattern.IsValid() && !val.IsValid()
-	}
-	if pattern.Type() != val.Type() {
-		return false
-	}
-
-	// Special cases.
-	switch pattern.Type() {
-	case identType:
-		// For identifiers, only the names need to match
-		// (and none of the other *ast.Object information).
-		// This is a common case, handle it all here instead
-		// of recursing down any further via reflection.
-		p := pattern.Interface().(*ast.Ident)
-		v := val.Interface().(*ast.Ident)
-		return p == nil && v == nil || p != nil && v != nil && p.Name == v.Name
-	case objectPtrType, positionType:
-		// object pointers and token positions always match
-		return true
-	case callExprType:
-		// For calls, the Ellipsis fields (token.Position) must
-		// match since that is how f(x) and f(x...) are different.
-		// Check them here but fall through for the remaining fields.
-		p := pattern.Interface().(*ast.CallExpr)
-		v := val.Interface().(*ast.CallExpr)
-		if p.Ellipsis.IsValid() != v.Ellipsis.IsValid() {
-			return false
-		}
-	}
-
-	p := reflect.Indirect(pattern)
-	v := reflect.Indirect(val)
-	if !p.IsValid() || !v.IsValid() {
-		return !p.IsValid() && !v.IsValid()
-	}
-
-	switch p.Kind() {
-	case reflect.Slice:
-		if p.Len() != v.Len() {
-			return false
-		}
-		for i := 0; i < p.Len(); i++ {
-			if !match(m, p.Index(i), v.Index(i)) {
-				return false
-			}
-		}
-		return true
-
-	case reflect.Struct:
-		for i := 0; i < p.NumField(); i++ {
-			if !match(m, p.Field(i), v.Field(i)) {
-				return false
-			}
-		}
-		return true
-
-	case reflect.Interface:
-		return match(m, p.Elem(), v.Elem())
-	}
-
-	// Handle token integers, etc.
-	return p.Interface() == v.Interface()
-}
-
-// subst returns a copy of pattern with values from m substituted in place
-// of wildcards and pos used as the position of tokens from the pattern.
-// if m == nil, subst returns a copy of pattern and doesn't change the line
-// number information.
-func subst(m map[string]reflect.Value, pattern reflect.Value, pos reflect.Value) reflect.Value {
-	if !pattern.IsValid() {
-		return reflect.Value{}
-	}
-
-	// Wildcard gets replaced with map value.
-	if m != nil && pattern.Type() == identType {
-		name := pattern.Interface().(*ast.Ident).Name
-		if isWildcard(name) {
-			if old, ok := m[name]; ok {
-				return subst(nil, old, reflect.Value{})
-			}
-		}
-	}
-
-	if pos.IsValid() && pattern.Type() == positionType {
-		// use new position only if old position was valid in the first place
-		if old := pattern.Interface().(token.Pos); !old.IsValid() {
-			return pattern
-		}
-		return pos
-	}
-
-	// Otherwise copy.
-	switch p := pattern; p.Kind() {
-	case reflect.Slice:
-		v := reflect.MakeSlice(p.Type(), p.Len(), p.Len())
-		for i := 0; i < p.Len(); i++ {
-			v.Index(i).Set(subst(m, p.Index(i), pos))
-		}
-		return v
-
-	case reflect.Struct:
-		v := reflect.New(p.Type()).Elem()
-		for i := 0; i < p.NumField(); i++ {
-			v.Field(i).Set(subst(m, p.Field(i), pos))
-		}
-		return v
-
-	case reflect.Ptr:
-		v := reflect.New(p.Type()).Elem()
-		if elem := p.Elem(); elem.IsValid() {
-			v.Set(subst(m, elem, pos).Addr())
-		}
-		return v
-
-	case reflect.Interface:
-		v := reflect.New(p.Type()).Elem()
-		if elem := p.Elem(); elem.IsValid() {
-			v.Set(subst(m, elem, pos))
-		}
-		return v
-	}
-
-	return pattern
-}

vendor/github.com/klauspost/reedsolomon/gentables.go

@@ -1,132 +0,0 @@
-//+build ignore
-
-package main
-
-import (
-	"fmt"
-)
-
-var logTable = [fieldSize]int16{
-	-1, 0, 1, 25, 2, 50, 26, 198,
-	3, 223, 51, 238, 27, 104, 199, 75,
-	4, 100, 224, 14, 52, 141, 239, 129,
-	28, 193, 105, 248, 200, 8, 76, 113,
-	5, 138, 101, 47, 225, 36, 15, 33,
-	53, 147, 142, 218, 240, 18, 130, 69,
-	29, 181, 194, 125, 106, 39, 249, 185,
-	201, 154, 9, 120, 77, 228, 114, 166,
-	6, 191, 139, 98, 102, 221, 48, 253,
-	226, 152, 37, 179, 16, 145, 34, 136,
-	54, 208, 148, 206, 143, 150, 219, 189,
-	241, 210, 19, 92, 131, 56, 70, 64,
-	30, 66, 182, 163, 195, 72, 126, 110,
-	107, 58, 40, 84, 250, 133, 186, 61,
-	202, 94, 155, 159, 10, 21, 121, 43,
-	78, 212, 229, 172, 115, 243, 167, 87,
-	7, 112, 192, 247, 140, 128, 99, 13,
-	103, 74, 222, 237, 49, 197, 254, 24,
-	227, 165, 153, 119, 38, 184, 180, 124,
-	17, 68, 146, 217, 35, 32, 137, 46,
-	55, 63, 209, 91, 149, 188, 207, 205,
-	144, 135, 151, 178, 220, 252, 190, 97,
-	242, 86, 211, 171, 20, 42, 93, 158,
-	132, 60, 57, 83, 71, 109, 65, 162,
-	31, 45, 67, 216, 183, 123, 164, 118,
-	196, 23, 73, 236, 127, 12, 111, 246,
-	108, 161, 59, 82, 41, 157, 85, 170,
-	251, 96, 134, 177, 187, 204, 62, 90,
-	203, 89, 95, 176, 156, 169, 160, 81,
-	11, 245, 22, 235, 122, 117, 44, 215,
-	79, 174, 213, 233, 230, 231, 173, 232,
-	116, 214, 244, 234, 168, 80, 88, 175,
-}
-
-const (
-	// The number of elements in the field.
-	fieldSize = 256
-
-	// The polynomial used to generate the logarithm table.
-	//
-	// There are a number of polynomials that work to generate
-	// a Galois field of 256 elements.  The choice is arbitrary,
-	// and we just use the first one.
-	//
-	// The possibilities are: 29, 43, 45, 77, 95, 99, 101, 105,
-	//* 113, 135, 141, 169, 195, 207, 231, and 245.
-	generatingPolynomial = 29
-)
-
-func main() {
-	t := generateExpTable()
-	fmt.Printf("var expTable = %#v\n", t)
-	//t2 := generateMulTableSplit(t)
-	//fmt.Printf("var mulTable = %#v\n", t2)
-	low, high := generateMulTableHalf(t)
-	fmt.Printf("var mulTableLow = %#v\n", low)
-	fmt.Printf("var mulTableHigh = %#v\n", high)
-}
-
-/**
- * Generates the inverse log table.
- */
-func generateExpTable() []byte {
-	result := make([]byte, fieldSize*2-2)
-	for i := 1; i < fieldSize; i++ {
-		log := logTable[i]
-		result[log] = byte(i)
-		result[log+fieldSize-1] = byte(i)
-	}
-	return result
-}
-
-func generateMulTable(expTable []byte) []byte {
-	result := make([]byte, 256*256)
-	for v := range result {
-		a := byte(v & 0xff)
-		b := byte(v >> 8)
-		if a == 0 || b == 0 {
-			result[v] = 0
-			continue
-		}
-		logA := int(logTable[a])
-		logB := int(logTable[b])
-		result[v] = expTable[logA+logB]
-	}
-	return result
-}
-
-func generateMulTableSplit(expTable []byte) [256][256]byte {
-	var result [256][256]byte
-	for a := range result {
-		for b := range result[a] {
-			if a == 0 || b == 0 {
-				result[a][b] = 0
-				continue
-			}
-			logA := int(logTable[a])
-			logB := int(logTable[b])
-			result[a][b] = expTable[logA+logB]
-		}
-	}
-	return result
-}
-
-func generateMulTableHalf(expTable []byte) (low [256][16]byte, high [256][16]byte) {
-	for a := range low {
-		for b := range low {
-			result := 0
-			if !(a == 0 || b == 0) {
-				logA := int(logTable[a])
-				logB := int(logTable[b])
-				result = int(expTable[logA+logB])
-			}
-			if (b & 0xf) == b {
-				low[a][b] = byte(result)
-			}
-			if (b & 0xf0) == b {
-				high[a][b>>4] = byte(result)
-			}
-		}
-	}
-	return
-}

vendor/github.com/pquerna/cachecontrol/.travis.yml

@@ -1,10 +0,0 @@
-language: go
-
-install:
-  - go get -d -v ./...
-  - go get -u github.com/stretchr/testify/require
-
-go:
-  - 1.7
-  - 1.8
-  - tip

vendor/github.com/pquerna/cachecontrol/LICENSE

@@ -1,202 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
-   1. Definitions.
-
-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
-
-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
-      control with that entity. For the purposes of this definition,
-      "control" means (i) the power, direct or indirect, to cause the
-      direction or management of such entity, whether by contract or
-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
-      exercising permissions granted by this License.
-
-      "Source" form shall mean the preferred form for making modifications,
-      including but not limited to software source code, documentation
-      source, and configuration files.
-
-      "Object" form shall mean any form resulting from mechanical
-      transformation or translation of a Source form, including but
-      not limited to compiled object code, generated documentation,
-      and conversions to other media types.
-
-      "Work" shall mean the work of authorship, whether in Source or
-      Object form, made available under the License, as indicated by a
-      copyright notice that is included in or attached to the work
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-      "Derivative Works" shall mean any work, whether in Source or Object
-      form, that is based on (or derived from) the Work and for which the
-      editorial revisions, annotations, elaborations, or other modifications
-      represent, as a whole, an original work of authorship. For the purposes
-      of this License, Derivative Works shall not include works that remain
-      separable from, or merely link (or bind by name) to the interfaces of,
-      the Work and Derivative Works thereof.
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-      "Contribution" shall mean any work of authorship, including
-      the original version of the Work and any modifications or additions
-      to that Work or Derivative Works thereof, that is intentionally
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-      means any form of electronic, verbal, or written communication sent
-      to the Licensor or its representatives, including but not limited to
-      communication on electronic mailing lists, source code control systems,
-      and issue tracking systems that are managed by, or on behalf of, the
-      Licensor for the purpose of discussing and improving the Work, but
-      excluding communication that is conspicuously marked or otherwise
-      designated in writing by the copyright owner as "Not a Contribution."
-
-      "Contributor" shall mean Licensor and any individual or Legal Entity
-      on behalf of whom a Contribution has been received by Licensor and
-      subsequently incorporated within the Work.
-
-   2. Grant of Copyright License. Subject to the terms and conditions of
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-      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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-      (c) You must retain, in the Source form of any Derivative Works
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-      You may add Your own copyright statement to Your modifications and
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-      for use, reproduction, or distribution of Your modifications, or
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-      reproduction, and distribution of the Work otherwise complies with
-      the conditions stated in this License.
-
-   5. Submission of Contributions. Unless You explicitly state otherwise,
-      any Contribution intentionally submitted for inclusion in the Work
-      by You to the Licensor shall be under the terms and conditions of
-      this License, without any additional terms or conditions.
-      Notwithstanding the above, nothing herein shall supersede or modify
-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
-
-   6. Trademarks. This License does not grant permission to use the trade
-      names, trademarks, service marks, or product names of the Licensor,
-      except as required for reasonable and customary use in describing the
-      origin of the Work and reproducing the content of the NOTICE file.
-
-   7. Disclaimer of Warranty. Unless required by applicable law or
-      agreed to in writing, Licensor provides the Work (and each
-      Contributor provides its Contributions) on an "AS IS" BASIS,
-      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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-      PARTICULAR PURPOSE. You are solely responsible for determining the
-      appropriateness of using or redistributing the Work and assume any
-      risks associated with Your exercise of permissions under this License.
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-   8. Limitation of Liability. In no event and under no legal theory,
-      whether in tort (including negligence), contract, or otherwise,
-      unless required by applicable law (such as deliberate and grossly
-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
-      incidental, or consequential damages of any character arising as a
-      result of this License or out of the use or inability to use the
-      Work (including but not limited to damages for loss of goodwill,
-      work stoppage, computer failure or malfunction, or any and all
-      other commercial damages or losses), even if such Contributor
-      has been advised of the possibility of such damages.
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-   9. Accepting Warranty or Additional Liability. While redistributing
-      the Work or Derivative Works thereof, You may choose to offer,
-      and charge a fee for, acceptance of support, warranty, indemnity,
-      or other liability obligations and/or rights consistent with this
-      License. However, in accepting such obligations, You may act only
-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
-
-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright [yyyy] [name of copyright owner]
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.

vendor/github.com/pquerna/cachecontrol/README.md

@@ -1,107 +0,0 @@
-# cachecontrol: HTTP Caching Parser and Interpretation
-
-[![GoDoc](https://godoc.org/github.com/pquerna/cachecontrol?status.svg)](https://godoc.org/github.com/pquerna/cachecontrol)[![Build Status](https://travis-ci.org/pquerna/cachecontrol.svg?branch=master)](https://travis-ci.org/pquerna/cachecontrol)
-
- 
-
-`cachecontrol` implements [RFC 7234](http://tools.ietf.org/html/rfc7234) __Hypertext Transfer Protocol (HTTP/1.1): Caching__.  It does this by parsing the `Cache-Control` and other headers, providing information about requests and responses -- but `cachecontrol` does not implement an actual cache backend, just the control plane to make decisions about if a particular response is cachable.
-
-# Usage
-
-`cachecontrol.CachableResponse` returns an array of [reasons](https://godoc.org/github.com/pquerna/cachecontrol/cacheobject#Reason) why a response should not be cached and when it expires.  In the case that `len(reasons) == 0`, the response is cachable according to the RFC.  However, some people want non-compliant caches for various business use cases, so each reason is specifically named, so if your cache wants to cache `POST` requests, it can easily do that, but still be RFC compliant in other situations.
-
-# Examples
-
-## Can you cache Example.com?
-
-```go
-package main
-
-import (
-	"github.com/pquerna/cachecontrol"
-
-	"fmt"
-	"io/ioutil"
-	"net/http"
-)
-
-func main() {
-	req, _ := http.NewRequest("GET", "http://www.example.com/", nil)
-
-	res, _ := http.DefaultClient.Do(req)
-	_, _ = ioutil.ReadAll(res.Body)
-
-	reasons, expires, _ := cachecontrol.CachableResponse(req, res, cachecontrol.Options{})
-
-	fmt.Println("Reasons to not cache: ", reasons)
-	fmt.Println("Expiration: ", expires.String())
-}
-```
-
-## Can I use this in a high performance caching server?
-
-`cachecontrol` is divided into two packages: `cachecontrol` with a high level API, and a lower level `cacheobject` package.  Use [Object](https://godoc.org/github.com/pquerna/cachecontrol/cacheobject#Object) in a high performance use case where you have previously parsed headers containing dates or would like to avoid memory allocations.
-
-```go
-package main
-
-import (
-	"github.com/pquerna/cachecontrol/cacheobject"
-
-	"fmt"
-	"io/ioutil"
-	"net/http"
-)
-
-func main() {
-	req, _ := http.NewRequest("GET", "http://www.example.com/", nil)
-
-	res, _ := http.DefaultClient.Do(req)
-	_, _ = ioutil.ReadAll(res.Body)
-
-	reqDir, _ := cacheobject.ParseRequestCacheControl(req.Header.Get("Cache-Control"))
-
-	resDir, _ := cacheobject.ParseResponseCacheControl(res.Header.Get("Cache-Control"))
-	expiresHeader, _ := http.ParseTime(res.Header.Get("Expires"))
-	dateHeader, _ := http.ParseTime(res.Header.Get("Date"))
-	lastModifiedHeader, _ := http.ParseTime(res.Header.Get("Last-Modified"))
-
-	obj := cacheobject.Object{
-		RespDirectives:         resDir,
-		RespHeaders:            res.Header,
-		RespStatusCode:         res.StatusCode,
-		RespExpiresHeader:      expiresHeader,
-		RespDateHeader:         dateHeader,
-		RespLastModifiedHeader: lastModifiedHeader,
-
-		ReqDirectives: reqDir,
-		ReqHeaders:    req.Header,
-		ReqMethod:     req.Method,
-
-		NowUTC: time.Now().UTC(),
-	}
-	rv := cacheobject.ObjectResults{}
-
-	cacheobject.CachableObject(&obj, &rv)
-	cacheobject.ExpirationObject(&obj, &rv)
-
-	fmt.Println("Errors: ", rv.OutErr)
-	fmt.Println("Reasons to not cache: ", rv.OutReasons)
-	fmt.Println("Warning headers to add: ", rv.OutWarnings)
-	fmt.Println("Expiration: ", rv.OutExpirationTime.String())
-}
-```
-
-## Improvements, bugs, adding features, and taking cachecontrol new directions!
-
-Please [open issues in Github](https://github.com/pquerna/cachecontrol/issues) for ideas, bugs, and general thoughts.  Pull requests are of course preferred :)
-
-# Credits
-
-`cachecontrol` has recieved significant contributions from:
-
-* [Paul Querna](https://github.com/pquerna) 
-
-## License
-
-`cachecontrol` is licensed under the [Apache License, Version 2.0](./LICENSE)

vendor/github.com/pquerna/cachecontrol/api.go

@@ -1,48 +0,0 @@
-/**
- *  Copyright 2015 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package cachecontrol
-
-import (
-	"github.com/pquerna/cachecontrol/cacheobject"
-
-	"net/http"
-	"time"
-)
-
-type Options struct {
-	// Set to True for a prviate cache, which is not shared amoung users (eg, in a browser)
-	// Set to False for a "shared" cache, which is more common in a server context.
-	PrivateCache bool
-}
-
-// Given an HTTP Request, the future Status Code, and an ResponseWriter,
-// determine the possible reasons a response SHOULD NOT be cached.
-func CachableResponseWriter(req *http.Request,
-	statusCode int,
-	resp http.ResponseWriter,
-	opts Options) ([]cacheobject.Reason, time.Time, error) {
-	return cacheobject.UsingRequestResponse(req, statusCode, resp.Header(), opts.PrivateCache)
-}
-
-// Given an HTTP Request and Response, determine the possible reasons a response SHOULD NOT
-// be cached.
-func CachableResponse(req *http.Request,
-	resp *http.Response,
-	opts Options) ([]cacheobject.Reason, time.Time, error) {
-	return cacheobject.UsingRequestResponse(req, resp.StatusCode, resp.Header, opts.PrivateCache)
-}

vendor/github.com/pquerna/cachecontrol/cacheobject/directive.go

@@ -1,546 +0,0 @@
-/**
- *  Copyright 2015 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package cacheobject
-
-import (
-	"errors"
-	"math"
-	"net/http"
-	"net/textproto"
-	"strconv"
-	"strings"
-)
-
-// TODO(pquerna): add extensions from here: http://www.iana.org/assignments/http-cache-directives/http-cache-directives.xhtml
-
-var (
-	ErrQuoteMismatch         = errors.New("Missing closing quote")
-	ErrMaxAgeDeltaSeconds    = errors.New("Failed to parse delta-seconds in `max-age`")
-	ErrSMaxAgeDeltaSeconds   = errors.New("Failed to parse delta-seconds in `s-maxage`")
-	ErrMaxStaleDeltaSeconds  = errors.New("Failed to parse delta-seconds in `min-fresh`")
-	ErrMinFreshDeltaSeconds  = errors.New("Failed to parse delta-seconds in `min-fresh`")
-	ErrNoCacheNoArgs         = errors.New("Unexpected argument to `no-cache`")
-	ErrNoStoreNoArgs         = errors.New("Unexpected argument to `no-store`")
-	ErrNoTransformNoArgs     = errors.New("Unexpected argument to `no-transform`")
-	ErrOnlyIfCachedNoArgs    = errors.New("Unexpected argument to `only-if-cached`")
-	ErrMustRevalidateNoArgs  = errors.New("Unexpected argument to `must-revalidate`")
-	ErrPublicNoArgs          = errors.New("Unexpected argument to `public`")
-	ErrProxyRevalidateNoArgs = errors.New("Unexpected argument to `proxy-revalidate`")
-	// Experimental
-	ErrImmutableNoArgs                  = errors.New("Unexpected argument to `immutable`")
-	ErrStaleIfErrorDeltaSeconds         = errors.New("Failed to parse delta-seconds in `stale-if-error`")
-	ErrStaleWhileRevalidateDeltaSeconds = errors.New("Failed to parse delta-seconds in `stale-while-revalidate`")
-)
-
-func whitespace(b byte) bool {
-	if b == '\t' || b == ' ' {
-		return true
-	}
-	return false
-}
-
-func parse(value string, cd cacheDirective) error {
-	var err error = nil
-	i := 0
-
-	for i < len(value) && err == nil {
-		// eat leading whitespace or commas
-		if whitespace(value[i]) || value[i] == ',' {
-			i++
-			continue
-		}
-
-		j := i + 1
-
-		for j < len(value) {
-			if !isToken(value[j]) {
-				break
-			}
-			j++
-		}
-
-		token := strings.ToLower(value[i:j])
-		tokenHasFields := hasFieldNames(token)
-		/*
-			println("GOT TOKEN:")
-			println("	i -> ", i)
-			println("	j -> ", j)
-			println("	token -> ", token)
-		*/
-
-		if j+1 < len(value) && value[j] == '=' {
-			k := j + 1
-			// minimum size two bytes of "", but we let httpUnquote handle it.
-			if k < len(value) && value[k] == '"' {
-				eaten, result := httpUnquote(value[k:])
-				if eaten == -1 {
-					return ErrQuoteMismatch
-				}
-				i = k + eaten
-
-				err = cd.addPair(token, result)
-			} else {
-				z := k
-				for z < len(value) {
-					if tokenHasFields {
-						if whitespace(value[z]) {
-							break
-						}
-					} else {
-						if whitespace(value[z]) || value[z] == ',' {
-							break
-						}
-					}
-					z++
-				}
-				i = z
-
-				result := value[k:z]
-				if result != "" && result[len(result)-1] == ',' {
-					result = result[:len(result)-1]
-				}
-
-				err = cd.addPair(token, result)
-			}
-		} else {
-			if token != "," {
-				err = cd.addToken(token)
-			}
-			i = j
-		}
-	}
-
-	return err
-}
-
-// DeltaSeconds specifies a non-negative integer, representing
-// time in seconds: http://tools.ietf.org/html/rfc7234#section-1.2.1
-//
-// When set to -1, this means unset.
-//
-type DeltaSeconds int32
-
-// Parser for delta-seconds, a uint31, more or less:
-// http://tools.ietf.org/html/rfc7234#section-1.2.1
-func parseDeltaSeconds(v string) (DeltaSeconds, error) {
-	n, err := strconv.ParseUint(v, 10, 32)
-	if err != nil {
-		if numError, ok := err.(*strconv.NumError); ok {
-			if numError.Err == strconv.ErrRange {
-				return DeltaSeconds(math.MaxInt32), nil
-			}
-		}
-		return DeltaSeconds(-1), err
-	} else {
-		if n > math.MaxInt32 {
-			return DeltaSeconds(math.MaxInt32), nil
-		} else {
-			return DeltaSeconds(n), nil
-		}
-	}
-}
-
-// Fields present in a header.
-type FieldNames map[string]bool
-
-// internal interface for shared methods of RequestCacheDirectives and ResponseCacheDirectives
-type cacheDirective interface {
-	addToken(s string) error
-	addPair(s string, v string) error
-}
-
-// LOW LEVEL API: Repersentation of possible request directives in a `Cache-Control` header: http://tools.ietf.org/html/rfc7234#section-5.2.1
-//
-// Note: Many fields will be `nil` in practice.
-//
-type RequestCacheDirectives struct {
-
-	// max-age(delta seconds): http://tools.ietf.org/html/rfc7234#section-5.2.1.1
-	//
-	// The "max-age" request directive indicates that the client is
-	// unwilling to accept a response whose age is greater than the
-	// specified number of seconds.  Unless the max-stale request directive
-	// is also present, the client is not willing to accept a stale
-	// response.
-	MaxAge DeltaSeconds
-
-	// max-stale(delta seconds): http://tools.ietf.org/html/rfc7234#section-5.2.1.2
-	//
-	// The "max-stale" request directive indicates that the client is
-	// willing to accept a response that has exceeded its freshness
-	// lifetime.  If max-stale is assigned a value, then the client is
-	// willing to accept a response that has exceeded its freshness lifetime
-	// by no more than the specified number of seconds.  If no value is
-	// assigned to max-stale, then the client is willing to accept a stale
-	// response of any age.
-	MaxStale DeltaSeconds
-
-	// min-fresh(delta seconds): http://tools.ietf.org/html/rfc7234#section-5.2.1.3
-	//
-	// The "min-fresh" request directive indicates that the client is
-	// willing to accept a response whose freshness lifetime is no less than
-	// its current age plus the specified time in seconds.  That is, the
-	// client wants a response that will still be fresh for at least the
-	// specified number of seconds.
-	MinFresh DeltaSeconds
-
-	// no-cache(bool): http://tools.ietf.org/html/rfc7234#section-5.2.1.4
-	//
-	// The "no-cache" request directive indicates that a cache MUST NOT use
-	// a stored response to satisfy the request without successful
-	// validation on the origin server.
-	NoCache bool
-
-	// no-store(bool): http://tools.ietf.org/html/rfc7234#section-5.2.1.5
-	//
-	// The "no-store" request directive indicates that a cache MUST NOT
-	// store any part of either this request or any response to it.  This
-	// directive applies to both private and shared caches.
-	NoStore bool
-
-	// no-transform(bool): http://tools.ietf.org/html/rfc7234#section-5.2.1.6
-	//
-	// The "no-transform" request directive indicates that an intermediary
-	// (whether or not it implements a cache) MUST NOT transform the
-	// payload, as defined in Section 5.7.2 of RFC7230.
-	NoTransform bool
-
-	// only-if-cached(bool): http://tools.ietf.org/html/rfc7234#section-5.2.1.7
-	//
-	// The "only-if-cached" request directive indicates that the client only
-	// wishes to obtain a stored response.
-	OnlyIfCached bool
-
-	// Extensions: http://tools.ietf.org/html/rfc7234#section-5.2.3
-	//
-	// The Cache-Control header field can be extended through the use of one
-	// or more cache-extension tokens, each with an optional value.  A cache
-	// MUST ignore unrecognized cache directives.
-	Extensions []string
-}
-
-func (cd *RequestCacheDirectives) addToken(token string) error {
-	var err error = nil
-
-	switch token {
-	case "max-age":
-		err = ErrMaxAgeDeltaSeconds
-	case "max-stale":
-		err = ErrMaxStaleDeltaSeconds
-	case "min-fresh":
-		err = ErrMinFreshDeltaSeconds
-	case "no-cache":
-		cd.NoCache = true
-	case "no-store":
-		cd.NoStore = true
-	case "no-transform":
-		cd.NoTransform = true
-	case "only-if-cached":
-		cd.OnlyIfCached = true
-	default:
-		cd.Extensions = append(cd.Extensions, token)
-	}
-	return err
-}
-
-func (cd *RequestCacheDirectives) addPair(token string, v string) error {
-	var err error = nil
-
-	switch token {
-	case "max-age":
-		cd.MaxAge, err = parseDeltaSeconds(v)
-		if err != nil {
-			err = ErrMaxAgeDeltaSeconds
-		}
-	case "max-stale":
-		cd.MaxStale, err = parseDeltaSeconds(v)
-		if err != nil {
-			err = ErrMaxStaleDeltaSeconds
-		}
-	case "min-fresh":
-		cd.MinFresh, err = parseDeltaSeconds(v)
-		if err != nil {
-			err = ErrMinFreshDeltaSeconds
-		}
-	case "no-cache":
-		err = ErrNoCacheNoArgs
-	case "no-store":
-		err = ErrNoStoreNoArgs
-	case "no-transform":
-		err = ErrNoTransformNoArgs
-	case "only-if-cached":
-		err = ErrOnlyIfCachedNoArgs
-	default:
-		// TODO(pquerna): this sucks, making user re-parse
-		cd.Extensions = append(cd.Extensions, token+"="+v)
-	}
-
-	return err
-}
-
-// LOW LEVEL API: Parses a Cache Control Header from a Request into a set of directives.
-func ParseRequestCacheControl(value string) (*RequestCacheDirectives, error) {
-	cd := &RequestCacheDirectives{
-		MaxAge:   -1,
-		MaxStale: -1,
-		MinFresh: -1,
-	}
-
-	err := parse(value, cd)
-	if err != nil {
-		return nil, err
-	}
-	return cd, nil
-}
-
-// LOW LEVEL API: Repersentation of possible response directives in a `Cache-Control` header: http://tools.ietf.org/html/rfc7234#section-5.2.2
-//
-// Note: Many fields will be `nil` in practice.
-//
-type ResponseCacheDirectives struct {
-
-	// must-revalidate(bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.1
-	//
-	// The "must-revalidate" response directive indicates that once it has
-	// become stale, a cache MUST NOT use the response to satisfy subsequent
-	// requests without successful validation on the origin server.
-	MustRevalidate bool
-
-	// no-cache(FieldName): http://tools.ietf.org/html/rfc7234#section-5.2.2.2
-	//
-	// The "no-cache" response directive indicates that the response MUST
-	// NOT be used to satisfy a subsequent request without successful
-	// validation on the origin server.
-	//
-	// If the no-cache response directive specifies one or more field-names,
-	// then a cache MAY use the response to satisfy a subsequent request,
-	// subject to any other restrictions on caching.  However, any header
-	// fields in the response that have the field-name(s) listed MUST NOT be
-	// sent in the response to a subsequent request without successful
-	// revalidation with the origin server.
-	NoCache FieldNames
-
-	// no-cache(cast-to-bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.2
-	//
-	// While the RFC defines optional field-names on a no-cache directive,
-	// many applications only want to know if any no-cache directives were
-	// present at all.
-	NoCachePresent bool
-
-	// no-store(bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.3
-	//
-	// The "no-store" request directive indicates that a cache MUST NOT
-	// store any part of either this request or any response to it.  This
-	// directive applies to both private and shared caches.
-	NoStore bool
-
-	// no-transform(bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.4
-	//
-	// The "no-transform" response directive indicates that an intermediary
-	// (regardless of whether it implements a cache) MUST NOT transform the
-	// payload, as defined in Section 5.7.2 of RFC7230.
-	NoTransform bool
-
-	// public(bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.5
-	//
-	// The "public" response directive indicates that any cache MAY store
-	// the response, even if the response would normally be non-cacheable or
-	// cacheable only within a private cache.
-	Public bool
-
-	// private(FieldName): http://tools.ietf.org/html/rfc7234#section-5.2.2.6
-	//
-	// The "private" response directive indicates that the response message
-	// is intended for a single user and MUST NOT be stored by a shared
-	// cache.  A private cache MAY store the response and reuse it for later
-	// requests, even if the response would normally be non-cacheable.
-	//
-	// If the private response directive specifies one or more field-names,
-	// this requirement is limited to the field-values associated with the
-	// listed response header fields.  That is, a shared cache MUST NOT
-	// store the specified field-names(s), whereas it MAY store the
-	// remainder of the response message.
-	Private FieldNames
-
-	// private(cast-to-bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.6
-	//
-	// While the RFC defines optional field-names on a private directive,
-	// many applications only want to know if any private directives were
-	// present at all.
-	PrivatePresent bool
-
-	// proxy-revalidate(bool): http://tools.ietf.org/html/rfc7234#section-5.2.2.7
-	//
-	// The "proxy-revalidate" response directive has the same meaning as the
-	// must-revalidate response directive, except that it does not apply to
-	// private caches.
-	ProxyRevalidate bool
-
-	// max-age(delta seconds): http://tools.ietf.org/html/rfc7234#section-5.2.2.8
-	//
-	// The "max-age" response directive indicates that the response is to be
-	// considered stale after its age is greater than the specified number
-	// of seconds.
-	MaxAge DeltaSeconds
-
-	// s-maxage(delta seconds): http://tools.ietf.org/html/rfc7234#section-5.2.2.9
-	//
-	// The "s-maxage" response directive indicates that, in shared caches,
-	// the maximum age specified by this directive overrides the maximum age
-	// specified by either the max-age directive or the Expires header
-	// field.  The s-maxage directive also implies the semantics of the
-	// proxy-revalidate response directive.
-	SMaxAge DeltaSeconds
-
-	////
-	// Experimental features
-	// - https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#Extension_Cache-Control_directives
-	// - https://www.fastly.com/blog/stale-while-revalidate-stale-if-error-available-today
-	////
-
-	// immutable(cast-to-bool): experimental feature
-	Immutable bool
-
-	// stale-if-error(delta seconds): experimental feature
-	StaleIfError DeltaSeconds
-
-	// stale-while-revalidate(delta seconds): experimental feature
-	StaleWhileRevalidate DeltaSeconds
-
-	// Extensions: http://tools.ietf.org/html/rfc7234#section-5.2.3
-	//
-	// The Cache-Control header field can be extended through the use of one
-	// or more cache-extension tokens, each with an optional value.  A cache
-	// MUST ignore unrecognized cache directives.
-	Extensions []string
-}
-
-// LOW LEVEL API: Parses a Cache Control Header from a Response into a set of directives.
-func ParseResponseCacheControl(value string) (*ResponseCacheDirectives, error) {
-	cd := &ResponseCacheDirectives{
-		MaxAge:  -1,
-		SMaxAge: -1,
-		// Exerimantal stale timeouts
-		StaleIfError:         -1,
-		StaleWhileRevalidate: -1,
-	}
-
-	err := parse(value, cd)
-	if err != nil {
-		return nil, err
-	}
-	return cd, nil
-}
-
-func (cd *ResponseCacheDirectives) addToken(token string) error {
-	var err error = nil
-	switch token {
-	case "must-revalidate":
-		cd.MustRevalidate = true
-	case "no-cache":
-		cd.NoCachePresent = true
-	case "no-store":
-		cd.NoStore = true
-	case "no-transform":
-		cd.NoTransform = true
-	case "public":
-		cd.Public = true
-	case "private":
-		cd.PrivatePresent = true
-	case "proxy-revalidate":
-		cd.ProxyRevalidate = true
-	case "max-age":
-		err = ErrMaxAgeDeltaSeconds
-	case "s-maxage":
-		err = ErrSMaxAgeDeltaSeconds
-	// Experimental
-	case "immutable":
-		cd.Immutable = true
-	case "stale-if-error":
-		err = ErrMaxAgeDeltaSeconds
-	case "stale-while-revalidate":
-		err = ErrMaxAgeDeltaSeconds
-	default:
-		cd.Extensions = append(cd.Extensions, token)
-	}
-	return err
-}
-
-func hasFieldNames(token string) bool {
-	switch token {
-	case "no-cache":
-		return true
-	case "private":
-		return true
-	}
-	return false
-}
-
-func (cd *ResponseCacheDirectives) addPair(token string, v string) error {
-	var err error = nil
-
-	switch token {
-	case "must-revalidate":
-		err = ErrMustRevalidateNoArgs
-	case "no-cache":
-		cd.NoCachePresent = true
-		tokens := strings.Split(v, ",")
-		if cd.NoCache == nil {
-			cd.NoCache = make(FieldNames)
-		}
-		for _, t := range tokens {
-			k := http.CanonicalHeaderKey(textproto.TrimString(t))
-			cd.NoCache[k] = true
-		}
-	case "no-store":
-		err = ErrNoStoreNoArgs
-	case "no-transform":
-		err = ErrNoTransformNoArgs
-	case "public":
-		err = ErrPublicNoArgs
-	case "private":
-		cd.PrivatePresent = true
-		tokens := strings.Split(v, ",")
-		if cd.Private == nil {
-			cd.Private = make(FieldNames)
-		}
-		for _, t := range tokens {
-			k := http.CanonicalHeaderKey(textproto.TrimString(t))
-			cd.Private[k] = true
-		}
-	case "proxy-revalidate":
-		err = ErrProxyRevalidateNoArgs
-	case "max-age":
-		cd.MaxAge, err = parseDeltaSeconds(v)
-	case "s-maxage":
-		cd.SMaxAge, err = parseDeltaSeconds(v)
-	// Experimental
-	case "immutable":
-		err = ErrImmutableNoArgs
-	case "stale-if-error":
-		cd.StaleIfError, err = parseDeltaSeconds(v)
-	case "stale-while-revalidate":
-		cd.StaleWhileRevalidate, err = parseDeltaSeconds(v)
-	default:
-		// TODO(pquerna): this sucks, making user re-parse, and its technically not 'quoted' like the original,
-		// but this is still easier, just a SplitN on "="
-		cd.Extensions = append(cd.Extensions, token+"="+v)
-	}
-
-	return err
-}

vendor/github.com/pquerna/cachecontrol/cacheobject/lex.go

@@ -1,93 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cacheobject
-
-// This file deals with lexical matters of HTTP
-
-func isSeparator(c byte) bool {
-	switch c {
-	case '(', ')', '<', '>', '@', ',', ';', ':', '\\', '"', '/', '[', ']', '?', '=', '{', '}', ' ', '\t':
-		return true
-	}
-	return false
-}
-
-func isCtl(c byte) bool { return (0 <= c && c <= 31) || c == 127 }
-
-func isChar(c byte) bool { return 0 <= c && c <= 127 }
-
-func isAnyText(c byte) bool { return !isCtl(c) }
-
-func isQdText(c byte) bool { return isAnyText(c) && c != '"' }
-
-func isToken(c byte) bool { return isChar(c) && !isCtl(c) && !isSeparator(c) }
-
-// Valid escaped sequences are not specified in RFC 2616, so for now, we assume
-// that they coincide with the common sense ones used by GO. Malformed
-// characters should probably not be treated as errors by a robust (forgiving)
-// parser, so we replace them with the '?' character.
-func httpUnquotePair(b byte) byte {
-	// skip the first byte, which should always be '\'
-	switch b {
-	case 'a':
-		return '\a'
-	case 'b':
-		return '\b'
-	case 'f':
-		return '\f'
-	case 'n':
-		return '\n'
-	case 'r':
-		return '\r'
-	case 't':
-		return '\t'
-	case 'v':
-		return '\v'
-	case '\\':
-		return '\\'
-	case '\'':
-		return '\''
-	case '"':
-		return '"'
-	}
-	return '?'
-}
-
-// raw must begin with a valid quoted string. Only the first quoted string is
-// parsed and is unquoted in result. eaten is the number of bytes parsed, or -1
-// upon failure.
-func httpUnquote(raw string) (eaten int, result string) {
-	buf := make([]byte, len(raw))
-	if raw[0] != '"' {
-		return -1, ""
-	}
-	eaten = 1
-	j := 0 // # of bytes written in buf
-	for i := 1; i < len(raw); i++ {
-		switch b := raw[i]; b {
-		case '"':
-			eaten++
-			buf = buf[0:j]
-			return i + 1, string(buf)
-		case '\\':
-			if len(raw) < i+2 {
-				return -1, ""
-			}
-			buf[j] = httpUnquotePair(raw[i+1])
-			eaten += 2
-			j++
-			i++
-		default:
-			if isQdText(b) {
-				buf[j] = b
-			} else {
-				buf[j] = '?'
-			}
-			eaten++
-			j++
-		}
-	}
-	return -1, ""
-}

vendor/github.com/pquerna/cachecontrol/cacheobject/object.go

@@ -1,387 +0,0 @@
-/**
- *  Copyright 2015 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package cacheobject
-
-import (
-	"net/http"
-	"time"
-)
-
-// LOW LEVEL API: Repersents a potentially cachable HTTP object.
-//
-// This struct is designed to be serialized efficiently, so in a high
-// performance caching server, things like Date-Strings don't need to be
-// parsed for every use of a cached object.
-type Object struct {
-	CacheIsPrivate bool
-
-	RespDirectives         *ResponseCacheDirectives
-	RespHeaders            http.Header
-	RespStatusCode         int
-	RespExpiresHeader      time.Time
-	RespDateHeader         time.Time
-	RespLastModifiedHeader time.Time
-
-	ReqDirectives *RequestCacheDirectives
-	ReqHeaders    http.Header
-	ReqMethod     string
-
-	NowUTC time.Time
-}
-
-// LOW LEVEL API: Repersents the results of examinig an Object with
-// CachableObject and ExpirationObject.
-//
-// TODO(pquerna): decide if this is a good idea or bad
-type ObjectResults struct {
-	OutReasons        []Reason
-	OutWarnings       []Warning
-	OutExpirationTime time.Time
-	OutErr            error
-}
-
-// LOW LEVEL API: Check if a object is cachable.
-func CachableObject(obj *Object, rv *ObjectResults) {
-	rv.OutReasons = nil
-	rv.OutWarnings = nil
-	rv.OutErr = nil
-
-	switch obj.ReqMethod {
-	case "GET":
-		break
-	case "HEAD":
-		break
-	case "POST":
-		/**
-		  POST: http://tools.ietf.org/html/rfc7231#section-4.3.3
-
-		  Responses to POST requests are only cacheable when they include
-		  explicit freshness information (see Section 4.2.1 of [RFC7234]).
-		  However, POST caching is not widely implemented.  For cases where an
-		  origin server wishes the client to be able to cache the result of a
-		  POST in a way that can be reused by a later GET, the origin server
-		  MAY send a 200 (OK) response containing the result and a
-		  Content-Location header field that has the same value as the POST's
-		  effective request URI (Section 3.1.4.2).
-		*/
-		if !hasFreshness(obj.ReqDirectives, obj.RespDirectives, obj.RespHeaders, obj.RespExpiresHeader, obj.CacheIsPrivate) {
-			rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodPOST)
-		}
-
-	case "PUT":
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodPUT)
-
-	case "DELETE":
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodDELETE)
-
-	case "CONNECT":
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodCONNECT)
-
-	case "OPTIONS":
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodOPTIONS)
-
-	case "TRACE":
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodTRACE)
-
-	// HTTP Extension Methods: http://www.iana.org/assignments/http-methods/http-methods.xhtml
-	//
-	// To my knowledge, none of them are cachable. Please open a ticket if this is not the case!
-	//
-	default:
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestMethodUnkown)
-	}
-
-	if obj.ReqDirectives.NoStore {
-		rv.OutReasons = append(rv.OutReasons, ReasonRequestNoStore)
-	}
-
-	// Storing Responses to Authenticated Requests: http://tools.ietf.org/html/rfc7234#section-3.2
-	authz := obj.ReqHeaders.Get("Authorization")
-	if authz != "" {
-		if obj.RespDirectives.MustRevalidate ||
-			obj.RespDirectives.Public ||
-			obj.RespDirectives.SMaxAge != -1 {
-			// Expires of some kind present, this is potentially OK.
-		} else {
-			rv.OutReasons = append(rv.OutReasons, ReasonRequestAuthorizationHeader)
-		}
-	}
-
-	if obj.RespDirectives.PrivatePresent && !obj.CacheIsPrivate {
-		rv.OutReasons = append(rv.OutReasons, ReasonResponsePrivate)
-	}
-
-	if obj.RespDirectives.NoStore {
-		rv.OutReasons = append(rv.OutReasons, ReasonResponseNoStore)
-	}
-
-	/*
-	   the response either:
-
-	     *  contains an Expires header field (see Section 5.3), or
-
-	     *  contains a max-age response directive (see Section 5.2.2.8), or
-
-	     *  contains a s-maxage response directive (see Section 5.2.2.9)
-	        and the cache is shared, or
-
-	     *  contains a Cache Control Extension (see Section 5.2.3) that
-	        allows it to be cached, or
-
-	     *  has a status code that is defined as cacheable by default (see
-	        Section 4.2.2), or
-
-	     *  contains a public response directive (see Section 5.2.2.5).
-	*/
-
-	expires := obj.RespHeaders.Get("Expires") != ""
-	statusCachable := cachableStatusCode(obj.RespStatusCode)
-
-	if expires ||
-		obj.RespDirectives.MaxAge != -1 ||
-		(obj.RespDirectives.SMaxAge != -1 && !obj.CacheIsPrivate) ||
-		statusCachable ||
-		obj.RespDirectives.Public {
-		/* cachable by default, at least one of the above conditions was true */
-	} else {
-		rv.OutReasons = append(rv.OutReasons, ReasonResponseUncachableByDefault)
-	}
-}
-
-var twentyFourHours = time.Duration(24 * time.Hour)
-
-const debug = false
-
-// LOW LEVEL API: Update an objects expiration time.
-func ExpirationObject(obj *Object, rv *ObjectResults) {
-	/**
-	 * Okay, lets calculate Freshness/Expiration now. woo:
-	 *  http://tools.ietf.org/html/rfc7234#section-4.2
-	 */
-
-	/*
-	   o  If the cache is shared and the s-maxage response directive
-	      (Section 5.2.2.9) is present, use its value, or
-
-	   o  If the max-age response directive (Section 5.2.2.8) is present,
-	      use its value, or
-
-	   o  If the Expires response header field (Section 5.3) is present, use
-	      its value minus the value of the Date response header field, or
-
-	   o  Otherwise, no explicit expiration time is present in the response.
-	      A heuristic freshness lifetime might be applicable; see
-	      Section 4.2.2.
-	*/
-
-	var expiresTime time.Time
-
-	if obj.RespDirectives.SMaxAge != -1 && !obj.CacheIsPrivate {
-		expiresTime = obj.NowUTC.Add(time.Second * time.Duration(obj.RespDirectives.SMaxAge))
-	} else if obj.RespDirectives.MaxAge != -1 {
-		expiresTime = obj.NowUTC.UTC().Add(time.Second * time.Duration(obj.RespDirectives.MaxAge))
-	} else if !obj.RespExpiresHeader.IsZero() {
-		serverDate := obj.RespDateHeader
-		if serverDate.IsZero() {
-			// common enough case when a Date: header has not yet been added to an
-			// active response.
-			serverDate = obj.NowUTC
-		}
-		expiresTime = obj.NowUTC.Add(obj.RespExpiresHeader.Sub(serverDate))
-	} else if !obj.RespLastModifiedHeader.IsZero() {
-		// heuristic freshness lifetime
-		rv.OutWarnings = append(rv.OutWarnings, WarningHeuristicExpiration)
-
-		// http://httpd.apache.org/docs/2.4/mod/mod_cache.html#cachelastmodifiedfactor
-		// CacheMaxExpire defaults to 24 hours
-		// CacheLastModifiedFactor: is 0.1
-		//
-		// expiry-period = MIN(time-since-last-modified-date * factor, 24 hours)
-		//
-		// obj.NowUTC
-
-		since := obj.RespLastModifiedHeader.Sub(obj.NowUTC)
-		since = time.Duration(float64(since) * -0.1)
-
-		if since > twentyFourHours {
-			expiresTime = obj.NowUTC.Add(twentyFourHours)
-		} else {
-			expiresTime = obj.NowUTC.Add(since)
-		}
-
-		if debug {
-			println("Now UTC: ", obj.NowUTC.String())
-			println("Last-Modified: ", obj.RespLastModifiedHeader.String())
-			println("Since: ", since.String())
-			println("TwentyFourHours: ", twentyFourHours.String())
-			println("Expiration: ", expiresTime.String())
-		}
-	} else {
-		// TODO(pquerna): what should the default behavoir be for expiration time?
-	}
-
-	rv.OutExpirationTime = expiresTime
-}
-
-// Evaluate cachability based on an HTTP request, and parts of the response.
-func UsingRequestResponse(req *http.Request,
-	statusCode int,
-	respHeaders http.Header,
-	privateCache bool) ([]Reason, time.Time, error) {
-	reasons, time, _, _, err := UsingRequestResponseWithObject(req, statusCode, respHeaders, privateCache)
-	return reasons, time, err
-}
-
-// Evaluate cachability based on an HTTP request, and parts of the response.
-// Returns the parsed Object as well.
-func UsingRequestResponseWithObject(req *http.Request,
-	statusCode int,
-	respHeaders http.Header,
-	privateCache bool) ([]Reason, time.Time, []Warning, *Object, error) {
-	var reqHeaders http.Header
-	var reqMethod string
-
-	var reqDir *RequestCacheDirectives = nil
-	respDir, err := ParseResponseCacheControl(respHeaders.Get("Cache-Control"))
-	if err != nil {
-		return nil, time.Time{}, nil, nil, err
-	}
-
-	if req != nil {
-		reqDir, err = ParseRequestCacheControl(req.Header.Get("Cache-Control"))
-		if err != nil {
-			return nil, time.Time{}, nil, nil, err
-		}
-		reqHeaders = req.Header
-		reqMethod = req.Method
-	}
-
-	var expiresHeader time.Time
-	var dateHeader time.Time
-	var lastModifiedHeader time.Time
-
-	if respHeaders.Get("Expires") != "" {
-		expiresHeader, err = http.ParseTime(respHeaders.Get("Expires"))
-		if err != nil {
-			// sometimes servers will return `Expires: 0` or `Expires: -1` to
-			// indicate expired content
-			expiresHeader = time.Time{}
-		}
-		expiresHeader = expiresHeader.UTC()
-	}
-
-	if respHeaders.Get("Date") != "" {
-		dateHeader, err = http.ParseTime(respHeaders.Get("Date"))
-		if err != nil {
-			return nil, time.Time{}, nil, nil, err
-		}
-		dateHeader = dateHeader.UTC()
-	}
-
-	if respHeaders.Get("Last-Modified") != "" {
-		lastModifiedHeader, err = http.ParseTime(respHeaders.Get("Last-Modified"))
-		if err != nil {
-			return nil, time.Time{}, nil, nil, err
-		}
-		lastModifiedHeader = lastModifiedHeader.UTC()
-	}
-
-	obj := Object{
-		CacheIsPrivate: privateCache,
-
-		RespDirectives:         respDir,
-		RespHeaders:            respHeaders,
-		RespStatusCode:         statusCode,
-		RespExpiresHeader:      expiresHeader,
-		RespDateHeader:         dateHeader,
-		RespLastModifiedHeader: lastModifiedHeader,
-
-		ReqDirectives: reqDir,
-		ReqHeaders:    reqHeaders,
-		ReqMethod:     reqMethod,
-
-		NowUTC: time.Now().UTC(),
-	}
-	rv := ObjectResults{}
-
-	CachableObject(&obj, &rv)
-	if rv.OutErr != nil {
-		return nil, time.Time{}, nil, nil, rv.OutErr
-	}
-
-	ExpirationObject(&obj, &rv)
-	if rv.OutErr != nil {
-		return nil, time.Time{}, nil, nil, rv.OutErr
-	}
-
-	return rv.OutReasons, rv.OutExpirationTime, rv.OutWarnings, &obj, nil
-}
-
-// calculate if a freshness directive is present: http://tools.ietf.org/html/rfc7234#section-4.2.1
-func hasFreshness(reqDir *RequestCacheDirectives, respDir *ResponseCacheDirectives, respHeaders http.Header, respExpires time.Time, privateCache bool) bool {
-	if !privateCache && respDir.SMaxAge != -1 {
-		return true
-	}
-
-	if respDir.MaxAge != -1 {
-		return true
-	}
-
-	if !respExpires.IsZero() || respHeaders.Get("Expires") != "" {
-		return true
-	}
-
-	return false
-}
-
-func cachableStatusCode(statusCode int) bool {
-	/*
-		Responses with status codes that are defined as cacheable by default
-		(e.g., 200, 203, 204, 206, 300, 301, 404, 405, 410, 414, and 501 in
-		this specification) can be reused by a cache with heuristic
-		expiration unless otherwise indicated by the method definition or
-		explicit cache controls [RFC7234]; all other status codes are not
-		cacheable by default.
-	*/
-	switch statusCode {
-	case 200:
-		return true
-	case 203:
-		return true
-	case 204:
-		return true
-	case 206:
-		return true
-	case 300:
-		return true
-	case 301:
-		return true
-	case 404:
-		return true
-	case 405:
-		return true
-	case 410:
-		return true
-	case 414:
-		return true
-	case 501:
-		return true
-	default:
-		return false
-	}
-}

vendor/github.com/pquerna/cachecontrol/cacheobject/reasons.go

@@ -1,95 +0,0 @@
-/**
- *  Copyright 2015 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package cacheobject
-
-// Repersents a potential Reason to not cache an object.
-//
-// Applications may wish to ignore specific reasons, which will make them non-RFC
-// compliant, but this type gives them specific cases they can choose to ignore,
-// making them compliant in as many cases as they can.
-type Reason int
-
-const (
-
-	// The request method was POST and an Expiration header was not supplied.
-	ReasonRequestMethodPOST Reason = iota
-
-	// The request method was PUT and PUTs are not cachable.
-	ReasonRequestMethodPUT
-
-	// The request method was DELETE and DELETEs are not cachable.
-	ReasonRequestMethodDELETE
-
-	// The request method was CONNECT and CONNECTs are not cachable.
-	ReasonRequestMethodCONNECT
-
-	// The request method was OPTIONS and OPTIONS are not cachable.
-	ReasonRequestMethodOPTIONS
-
-	// The request method was TRACE and TRACEs are not cachable.
-	ReasonRequestMethodTRACE
-
-	// The request method was not recognized by cachecontrol, and should not be cached.
-	ReasonRequestMethodUnkown
-
-	// The request included an Cache-Control: no-store header
-	ReasonRequestNoStore
-
-	// The request included an Authorization header without an explicit Public or Expiration time: http://tools.ietf.org/html/rfc7234#section-3.2
-	ReasonRequestAuthorizationHeader
-
-	// The response included an Cache-Control: no-store header
-	ReasonResponseNoStore
-
-	// The response included an Cache-Control: private header and this is not a Private cache
-	ReasonResponsePrivate
-
-	// The response failed to meet at least one of the conditions specified in RFC 7234 section 3: http://tools.ietf.org/html/rfc7234#section-3
-	ReasonResponseUncachableByDefault
-)
-
-func (r Reason) String() string {
-	switch r {
-	case ReasonRequestMethodPOST:
-		return "ReasonRequestMethodPOST"
-	case ReasonRequestMethodPUT:
-		return "ReasonRequestMethodPUT"
-	case ReasonRequestMethodDELETE:
-		return "ReasonRequestMethodDELETE"
-	case ReasonRequestMethodCONNECT:
-		return "ReasonRequestMethodCONNECT"
-	case ReasonRequestMethodOPTIONS:
-		return "ReasonRequestMethodOPTIONS"
-	case ReasonRequestMethodTRACE:
-		return "ReasonRequestMethodTRACE"
-	case ReasonRequestMethodUnkown:
-		return "ReasonRequestMethodUnkown"
-	case ReasonRequestNoStore:
-		return "ReasonRequestNoStore"
-	case ReasonRequestAuthorizationHeader:
-		return "ReasonRequestAuthorizationHeader"
-	case ReasonResponseNoStore:
-		return "ReasonResponseNoStore"
-	case ReasonResponsePrivate:
-		return "ReasonResponsePrivate"
-	case ReasonResponseUncachableByDefault:
-		return "ReasonResponseUncachableByDefault"
-	}
-
-	panic(r)
-}

vendor/github.com/pquerna/cachecontrol/cacheobject/warning.go

@@ -1,107 +0,0 @@
-/**
- *  Copyright 2015 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-package cacheobject
-
-import (
-	"fmt"
-	"net/http"
-	"time"
-)
-
-// Repersents an HTTP Warning: http://tools.ietf.org/html/rfc7234#section-5.5
-type Warning int
-
-const (
-	// Response is Stale
-	// A cache SHOULD generate this whenever the sent response is stale.
-	WarningResponseIsStale Warning = 110
-
-	// Revalidation Failed
-	// A cache SHOULD generate this when sending a stale
-	// response because an attempt to validate the response failed, due to an
-	// inability to reach the server.
-	WarningRevalidationFailed Warning = 111
-
-	// Disconnected Operation
-	// A cache SHOULD generate this if it is intentionally disconnected from
-	// the rest of the network for a period of time.
-	WarningDisconnectedOperation Warning = 112
-
-	// Heuristic Expiration
-	//
-	// A cache SHOULD generate this if it heuristically chose a freshness
-	// lifetime greater than 24 hours and the response's age is greater than
-	// 24 hours.
-	WarningHeuristicExpiration Warning = 113
-
-	// Miscellaneous Warning
-	//
-	// The warning text can include arbitrary information to be presented to
-	// a human user or logged.  A system receiving this warning MUST NOT
-	// take any automated action, besides presenting the warning to the
-	// user.
-	WarningMiscellaneousWarning Warning = 199
-
-	// Transformation Applied
-	//
-	// This Warning code MUST be added by a proxy if it applies any
-	// transformation to the representation, such as changing the
-	// content-coding, media-type, or modifying the representation data,
-	// unless this Warning code already appears in the response.
-	WarningTransformationApplied Warning = 214
-
-	// Miscellaneous Persistent Warning
-	//
-	// The warning text can include arbitrary information to be presented to
-	// a human user or logged.  A system receiving this warning MUST NOT
-	// take any automated action.
-	WarningMiscellaneousPersistentWarning Warning = 299
-)
-
-func (w Warning) HeaderString(agent string, date time.Time) string {
-	if agent == "" {
-		agent = "-"
-	} else {
-		// TODO(pquerna): this doesn't escape agent if it contains bad things.
-		agent = `"` + agent + `"`
-	}
-	return fmt.Sprintf(`%d %s "%s" %s`, w, agent, w.String(), date.Format(http.TimeFormat))
-}
-
-func (w Warning) String() string {
-	switch w {
-	case WarningResponseIsStale:
-		return "Response is Stale"
-	case WarningRevalidationFailed:
-		return "Revalidation Failed"
-	case WarningDisconnectedOperation:
-		return "Disconnected Operation"
-	case WarningHeuristicExpiration:
-		return "Heuristic Expiration"
-	case WarningMiscellaneousWarning:
-		// TODO(pquerna): ideally had a better way to override this one code.
-		return "Miscellaneous Warning"
-	case WarningTransformationApplied:
-		return "Transformation Applied"
-	case WarningMiscellaneousPersistentWarning:
-		// TODO(pquerna): same as WarningMiscellaneousWarning
-		return "Miscellaneous Persistent Warning"
-	}
-
-	panic(w)
-}

vendor/github.com/pquerna/cachecontrol/doc.go

@@ -1,25 +0,0 @@
-/**
- *  Copyright 2015 Paul Querna
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- */
-
-// Package cachecontrol implements the logic for HTTP Caching
-//
-// Deciding if an HTTP Response can be cached is often harder
-// and more bug prone than an actual cache storage backend.
-// cachecontrol provides a simple interface to determine if
-// request and response pairs are cachable as defined under
-// RFC 7234 http://tools.ietf.org/html/rfc7234
-package cachecontrol

vendor/golang.org/x/crypto/ed25519/ed25519.go

@@ -1,217 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package ed25519 implements the Ed25519 signature algorithm. See
-// https://ed25519.cr.yp.to/.
-//
-// These functions are also compatible with the “Ed25519” function defined in
-// RFC 8032. However, unlike RFC 8032's formulation, this package's private key
-// representation includes a public key suffix to make multiple signing
-// operations with the same key more efficient. This package refers to the RFC
-// 8032 private key as the “seed”.
-package ed25519
-
-// This code is a port of the public domain, “ref10” implementation of ed25519
-// from SUPERCOP.
-
-import (
-	"bytes"
-	"crypto"
-	cryptorand "crypto/rand"
-	"crypto/sha512"
-	"errors"
-	"io"
-	"strconv"
-
-	"golang.org/x/crypto/ed25519/internal/edwards25519"
-)
-
-const (
-	// PublicKeySize is the size, in bytes, of public keys as used in this package.
-	PublicKeySize = 32
-	// PrivateKeySize is the size, in bytes, of private keys as used in this package.
-	PrivateKeySize = 64
-	// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
-	SignatureSize = 64
-	// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
-	SeedSize = 32
-)
-
-// PublicKey is the type of Ed25519 public keys.
-type PublicKey []byte
-
-// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
-type PrivateKey []byte
-
-// Public returns the PublicKey corresponding to priv.
-func (priv PrivateKey) Public() crypto.PublicKey {
-	publicKey := make([]byte, PublicKeySize)
-	copy(publicKey, priv[32:])
-	return PublicKey(publicKey)
-}
-
-// Seed returns the private key seed corresponding to priv. It is provided for
-// interoperability with RFC 8032. RFC 8032's private keys correspond to seeds
-// in this package.
-func (priv PrivateKey) Seed() []byte {
-	seed := make([]byte, SeedSize)
-	copy(seed, priv[:32])
-	return seed
-}
-
-// Sign signs the given message with priv.
-// Ed25519 performs two passes over messages to be signed and therefore cannot
-// handle pre-hashed messages. Thus opts.HashFunc() must return zero to
-// indicate the message hasn't been hashed. This can be achieved by passing
-// crypto.Hash(0) as the value for opts.
-func (priv PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
-	if opts.HashFunc() != crypto.Hash(0) {
-		return nil, errors.New("ed25519: cannot sign hashed message")
-	}
-
-	return Sign(priv, message), nil
-}
-
-// GenerateKey generates a public/private key pair using entropy from rand.
-// If rand is nil, crypto/rand.Reader will be used.
-func GenerateKey(rand io.Reader) (PublicKey, PrivateKey, error) {
-	if rand == nil {
-		rand = cryptorand.Reader
-	}
-
-	seed := make([]byte, SeedSize)
-	if _, err := io.ReadFull(rand, seed); err != nil {
-		return nil, nil, err
-	}
-
-	privateKey := NewKeyFromSeed(seed)
-	publicKey := make([]byte, PublicKeySize)
-	copy(publicKey, privateKey[32:])
-
-	return publicKey, privateKey, nil
-}
-
-// NewKeyFromSeed calculates a private key from a seed. It will panic if
-// len(seed) is not SeedSize. This function is provided for interoperability
-// with RFC 8032. RFC 8032's private keys correspond to seeds in this
-// package.
-func NewKeyFromSeed(seed []byte) PrivateKey {
-	if l := len(seed); l != SeedSize {
-		panic("ed25519: bad seed length: " + strconv.Itoa(l))
-	}
-
-	digest := sha512.Sum512(seed)
-	digest[0] &= 248
-	digest[31] &= 127
-	digest[31] |= 64
-
-	var A edwards25519.ExtendedGroupElement
-	var hBytes [32]byte
-	copy(hBytes[:], digest[:])
-	edwards25519.GeScalarMultBase(&A, &hBytes)
-	var publicKeyBytes [32]byte
-	A.ToBytes(&publicKeyBytes)
-
-	privateKey := make([]byte, PrivateKeySize)
-	copy(privateKey, seed)
-	copy(privateKey[32:], publicKeyBytes[:])
-
-	return privateKey
-}
-
-// Sign signs the message with privateKey and returns a signature. It will
-// panic if len(privateKey) is not PrivateKeySize.
-func Sign(privateKey PrivateKey, message []byte) []byte {
-	if l := len(privateKey); l != PrivateKeySize {
-		panic("ed25519: bad private key length: " + strconv.Itoa(l))
-	}
-
-	h := sha512.New()
-	h.Write(privateKey[:32])
-
-	var digest1, messageDigest, hramDigest [64]byte
-	var expandedSecretKey [32]byte
-	h.Sum(digest1[:0])
-	copy(expandedSecretKey[:], digest1[:])
-	expandedSecretKey[0] &= 248
-	expandedSecretKey[31] &= 63
-	expandedSecretKey[31] |= 64
-
-	h.Reset()
-	h.Write(digest1[32:])
-	h.Write(message)
-	h.Sum(messageDigest[:0])
-
-	var messageDigestReduced [32]byte
-	edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
-	var R edwards25519.ExtendedGroupElement
-	edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
-
-	var encodedR [32]byte
-	R.ToBytes(&encodedR)
-
-	h.Reset()
-	h.Write(encodedR[:])
-	h.Write(privateKey[32:])
-	h.Write(message)
-	h.Sum(hramDigest[:0])
-	var hramDigestReduced [32]byte
-	edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
-
-	var s [32]byte
-	edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced)
-
-	signature := make([]byte, SignatureSize)
-	copy(signature[:], encodedR[:])
-	copy(signature[32:], s[:])
-
-	return signature
-}
-
-// Verify reports whether sig is a valid signature of message by publicKey. It
-// will panic if len(publicKey) is not PublicKeySize.
-func Verify(publicKey PublicKey, message, sig []byte) bool {
-	if l := len(publicKey); l != PublicKeySize {
-		panic("ed25519: bad public key length: " + strconv.Itoa(l))
-	}
-
-	if len(sig) != SignatureSize || sig[63]&224 != 0 {
-		return false
-	}
-
-	var A edwards25519.ExtendedGroupElement
-	var publicKeyBytes [32]byte
-	copy(publicKeyBytes[:], publicKey)
-	if !A.FromBytes(&publicKeyBytes) {
-		return false
-	}
-	edwards25519.FeNeg(&A.X, &A.X)
-	edwards25519.FeNeg(&A.T, &A.T)
-
-	h := sha512.New()
-	h.Write(sig[:32])
-	h.Write(publicKey[:])
-	h.Write(message)
-	var digest [64]byte
-	h.Sum(digest[:0])
-
-	var hReduced [32]byte
-	edwards25519.ScReduce(&hReduced, &digest)
-
-	var R edwards25519.ProjectiveGroupElement
-	var s [32]byte
-	copy(s[:], sig[32:])
-
-	// https://tools.ietf.org/html/rfc8032#section-5.1.7 requires that s be in
-	// the range [0, order) in order to prevent signature malleability.
-	if !edwards25519.ScMinimal(&s) {
-		return false
-	}
-
-	edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &s)
-
-	var checkR [32]byte
-	R.ToBytes(&checkR)
-	return bytes.Equal(sig[:32], checkR[:])
-}

vendor/golang.org/x/crypto/ed25519/internal/edwards25519/const.go

@@ -1,1422 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package edwards25519
-
-// These values are from the public domain, “ref10” implementation of ed25519
-// from SUPERCOP.
-
-// d is a constant in the Edwards curve equation.
-var d = FieldElement{
-	-10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116,
-}
-
-// d2 is 2*d.
-var d2 = FieldElement{
-	-21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199,
-}
-
-// SqrtM1 is the square-root of -1 in the field.
-var SqrtM1 = FieldElement{
-	-32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482,
-}
-
-// A is a constant in the Montgomery-form of curve25519.
-var A = FieldElement{
-	486662, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-}
-
-// bi contains precomputed multiples of the base-point. See the Ed25519 paper
-// for a discussion about how these values are used.
-var bi = [8]PreComputedGroupElement{
-	{
-		FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
-		FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
-		FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546},
-	},
-	{
-		FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
-		FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
-		FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357},
-	},
-	{
-		FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
-		FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
-		FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942},
-	},
-	{
-		FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
-		FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
-		FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300},
-	},
-	{
-		FieldElement{-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877},
-		FieldElement{-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951},
-		FieldElement{4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784},
-	},
-	{
-		FieldElement{-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436},
-		FieldElement{25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918},
-		FieldElement{23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877},
-	},
-	{
-		FieldElement{-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800},
-		FieldElement{-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305},
-		FieldElement{-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300},
-	},
-	{
-		FieldElement{-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876},
-		FieldElement{-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619},
-		FieldElement{-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683},
-	},
-}
-
-// base contains precomputed multiples of the base-point. See the Ed25519 paper
-// for a discussion about how these values are used.
-var base = [32][8]PreComputedGroupElement{
-	{
-		{
-			FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
-			FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
-			FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546},
-		},
-		{
-			FieldElement{-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303},
-			FieldElement{-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081},
-			FieldElement{26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697},
-		},
-		{
-			FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
-			FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
-			FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357},
-		},
-		{
-			FieldElement{-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540},
-			FieldElement{23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397},
-			FieldElement{7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325},
-		},
-		{
-			FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
-			FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
-			FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942},
-		},
-		{
-			FieldElement{-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777},
-			FieldElement{-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737},
-			FieldElement{-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652},
-		},
-		{
-			FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
-			FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
-			FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300},
-		},
-		{
-			FieldElement{14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726},
-			FieldElement{-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955},
-			FieldElement{27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425},
-		},
-	},
-	{
-		{
-			FieldElement{-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171},
-			FieldElement{27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510},
-			FieldElement{17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660},
-		},
-		{
-			FieldElement{-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639},
-			FieldElement{29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963},
-			FieldElement{5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950},
-		},
-		{
-			FieldElement{-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568},
-			FieldElement{12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335},
-			FieldElement{25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628},
-		},
-		{
-			FieldElement{-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007},
-			FieldElement{-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772},
-			FieldElement{-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653},
-		},
-		{
-			FieldElement{2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567},
-			FieldElement{13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686},
-			FieldElement{21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372},
-		},
-		{
-			FieldElement{-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887},
-			FieldElement{-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954},
-			FieldElement{-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953},
-		},
-		{
-			FieldElement{24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833},
-			FieldElement{-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532},
-			FieldElement{-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876},
-		},
-		{
-			FieldElement{2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268},
-			FieldElement{33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214},
-			FieldElement{1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038},
-		},
-	},
-	{
-		{
-			FieldElement{6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800},
-			FieldElement{4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645},
-			FieldElement{-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664},
-		},
-		{
-			FieldElement{1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933},
-			FieldElement{-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182},
-			FieldElement{-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222},
-		},
-		{
-			FieldElement{-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991},
-			FieldElement{20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880},
-			FieldElement{9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092},
-		},
-		{
-			FieldElement{-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295},
-			FieldElement{19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788},
-			FieldElement{8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553},
-		},
-		{
-			FieldElement{-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026},
-			FieldElement{11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347},
-			FieldElement{-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033},
-		},
-		{
-			FieldElement{-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395},
-			FieldElement{-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278},
-			FieldElement{1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890},
-		},
-		{
-			FieldElement{32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995},
-			FieldElement{-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596},
-			FieldElement{-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891},
-		},
-		{
-			FieldElement{31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060},
-			FieldElement{11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608},
-			FieldElement{-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606},
-		},
-	},
-	{
-		{
-			FieldElement{7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389},
-			FieldElement{-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016},
-			FieldElement{-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341},
-		},
-		{
-			FieldElement{-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505},
-			FieldElement{14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553},
-			FieldElement{-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655},
-		},
-		{
-			FieldElement{15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220},
-			FieldElement{12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631},
-			FieldElement{-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099},
-		},
-		{
-			FieldElement{26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556},
-			FieldElement{14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749},
-			FieldElement{236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930},
-		},
-		{
-			FieldElement{1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391},
-			FieldElement{5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253},
-			FieldElement{20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066},
-		},
-		{
-			FieldElement{24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958},
-			FieldElement{-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082},
-			FieldElement{-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383},
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-			FieldElement{-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958},
-			FieldElement{-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577},
-		},
-		{
-			FieldElement{-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743},
-			FieldElement{29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684},
-			FieldElement{-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476},
-		},
-	},
-}

vendor/golang.org/x/crypto/ed25519/internal/edwards25519/edwards25519.go

@@ -1,1793 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package edwards25519
-
-import "encoding/binary"
-
-// This code is a port of the public domain, “ref10” implementation of ed25519
-// from SUPERCOP.
-
-// FieldElement represents an element of the field GF(2^255 - 19).  An element
-// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
-// t[3]+2^102 t[4]+...+2^230 t[9].  Bounds on each t[i] vary depending on
-// context.
-type FieldElement [10]int32
-
-var zero FieldElement
-
-func FeZero(fe *FieldElement) {
-	copy(fe[:], zero[:])
-}
-
-func FeOne(fe *FieldElement) {
-	FeZero(fe)
-	fe[0] = 1
-}
-
-func FeAdd(dst, a, b *FieldElement) {
-	dst[0] = a[0] + b[0]
-	dst[1] = a[1] + b[1]
-	dst[2] = a[2] + b[2]
-	dst[3] = a[3] + b[3]
-	dst[4] = a[4] + b[4]
-	dst[5] = a[5] + b[5]
-	dst[6] = a[6] + b[6]
-	dst[7] = a[7] + b[7]
-	dst[8] = a[8] + b[8]
-	dst[9] = a[9] + b[9]
-}
-
-func FeSub(dst, a, b *FieldElement) {
-	dst[0] = a[0] - b[0]
-	dst[1] = a[1] - b[1]
-	dst[2] = a[2] - b[2]
-	dst[3] = a[3] - b[3]
-	dst[4] = a[4] - b[4]
-	dst[5] = a[5] - b[5]
-	dst[6] = a[6] - b[6]
-	dst[7] = a[7] - b[7]
-	dst[8] = a[8] - b[8]
-	dst[9] = a[9] - b[9]
-}
-
-func FeCopy(dst, src *FieldElement) {
-	copy(dst[:], src[:])
-}
-
-// Replace (f,g) with (g,g) if b == 1;
-// replace (f,g) with (f,g) if b == 0.
-//
-// Preconditions: b in {0,1}.
-func FeCMove(f, g *FieldElement, b int32) {
-	b = -b
-	f[0] ^= b & (f[0] ^ g[0])
-	f[1] ^= b & (f[1] ^ g[1])
-	f[2] ^= b & (f[2] ^ g[2])
-	f[3] ^= b & (f[3] ^ g[3])
-	f[4] ^= b & (f[4] ^ g[4])
-	f[5] ^= b & (f[5] ^ g[5])
-	f[6] ^= b & (f[6] ^ g[6])
-	f[7] ^= b & (f[7] ^ g[7])
-	f[8] ^= b & (f[8] ^ g[8])
-	f[9] ^= b & (f[9] ^ g[9])
-}
-
-func load3(in []byte) int64 {
-	var r int64
-	r = int64(in[0])
-	r |= int64(in[1]) << 8
-	r |= int64(in[2]) << 16
-	return r
-}
-
-func load4(in []byte) int64 {
-	var r int64
-	r = int64(in[0])
-	r |= int64(in[1]) << 8
-	r |= int64(in[2]) << 16
-	r |= int64(in[3]) << 24
-	return r
-}
-
-func FeFromBytes(dst *FieldElement, src *[32]byte) {
-	h0 := load4(src[:])
-	h1 := load3(src[4:]) << 6
-	h2 := load3(src[7:]) << 5
-	h3 := load3(src[10:]) << 3
-	h4 := load3(src[13:]) << 2
-	h5 := load4(src[16:])
-	h6 := load3(src[20:]) << 7
-	h7 := load3(src[23:]) << 5
-	h8 := load3(src[26:]) << 4
-	h9 := (load3(src[29:]) & 8388607) << 2
-
-	FeCombine(dst, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-// FeToBytes marshals h to s.
-// Preconditions:
-//   |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Write p=2^255-19; q=floor(h/p).
-// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
-//
-// Proof:
-//   Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
-//   Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4.
-//
-//   Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
-//   Then 0<y<1.
-//
-//   Write r=h-pq.
-//   Have 0<=r<=p-1=2^255-20.
-//   Thus 0<=r+19(2^-255)r<r+19(2^-255)2^255<=2^255-1.
-//
-//   Write x=r+19(2^-255)r+y.
-//   Then 0<x<2^255 so floor(2^(-255)x) = 0 so floor(q+2^(-255)x) = q.
-//
-//   Have q+2^(-255)x = 2^(-255)(h + 19 2^(-25) h9 + 2^(-1))
-//   so floor(2^(-255)(h + 19 2^(-25) h9 + 2^(-1))) = q.
-func FeToBytes(s *[32]byte, h *FieldElement) {
-	var carry [10]int32
-
-	q := (19*h[9] + (1 << 24)) >> 25
-	q = (h[0] + q) >> 26
-	q = (h[1] + q) >> 25
-	q = (h[2] + q) >> 26
-	q = (h[3] + q) >> 25
-	q = (h[4] + q) >> 26
-	q = (h[5] + q) >> 25
-	q = (h[6] + q) >> 26
-	q = (h[7] + q) >> 25
-	q = (h[8] + q) >> 26
-	q = (h[9] + q) >> 25
-
-	// Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20.
-	h[0] += 19 * q
-	// Goal: Output h-2^255 q, which is between 0 and 2^255-20.
-
-	carry[0] = h[0] >> 26
-	h[1] += carry[0]
-	h[0] -= carry[0] << 26
-	carry[1] = h[1] >> 25
-	h[2] += carry[1]
-	h[1] -= carry[1] << 25
-	carry[2] = h[2] >> 26
-	h[3] += carry[2]
-	h[2] -= carry[2] << 26
-	carry[3] = h[3] >> 25
-	h[4] += carry[3]
-	h[3] -= carry[3] << 25
-	carry[4] = h[4] >> 26
-	h[5] += carry[4]
-	h[4] -= carry[4] << 26
-	carry[5] = h[5] >> 25
-	h[6] += carry[5]
-	h[5] -= carry[5] << 25
-	carry[6] = h[6] >> 26
-	h[7] += carry[6]
-	h[6] -= carry[6] << 26
-	carry[7] = h[7] >> 25
-	h[8] += carry[7]
-	h[7] -= carry[7] << 25
-	carry[8] = h[8] >> 26
-	h[9] += carry[8]
-	h[8] -= carry[8] << 26
-	carry[9] = h[9] >> 25
-	h[9] -= carry[9] << 25
-	// h10 = carry9
-
-	// Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
-	// Have h[0]+...+2^230 h[9] between 0 and 2^255-1;
-	// evidently 2^255 h10-2^255 q = 0.
-	// Goal: Output h[0]+...+2^230 h[9].
-
-	s[0] = byte(h[0] >> 0)
-	s[1] = byte(h[0] >> 8)
-	s[2] = byte(h[0] >> 16)
-	s[3] = byte((h[0] >> 24) | (h[1] << 2))
-	s[4] = byte(h[1] >> 6)
-	s[5] = byte(h[1] >> 14)
-	s[6] = byte((h[1] >> 22) | (h[2] << 3))
-	s[7] = byte(h[2] >> 5)
-	s[8] = byte(h[2] >> 13)
-	s[9] = byte((h[2] >> 21) | (h[3] << 5))
-	s[10] = byte(h[3] >> 3)
-	s[11] = byte(h[3] >> 11)
-	s[12] = byte((h[3] >> 19) | (h[4] << 6))
-	s[13] = byte(h[4] >> 2)
-	s[14] = byte(h[4] >> 10)
-	s[15] = byte(h[4] >> 18)
-	s[16] = byte(h[5] >> 0)
-	s[17] = byte(h[5] >> 8)
-	s[18] = byte(h[5] >> 16)
-	s[19] = byte((h[5] >> 24) | (h[6] << 1))
-	s[20] = byte(h[6] >> 7)
-	s[21] = byte(h[6] >> 15)
-	s[22] = byte((h[6] >> 23) | (h[7] << 3))
-	s[23] = byte(h[7] >> 5)
-	s[24] = byte(h[7] >> 13)
-	s[25] = byte((h[7] >> 21) | (h[8] << 4))
-	s[26] = byte(h[8] >> 4)
-	s[27] = byte(h[8] >> 12)
-	s[28] = byte((h[8] >> 20) | (h[9] << 6))
-	s[29] = byte(h[9] >> 2)
-	s[30] = byte(h[9] >> 10)
-	s[31] = byte(h[9] >> 18)
-}
-
-func FeIsNegative(f *FieldElement) byte {
-	var s [32]byte
-	FeToBytes(&s, f)
-	return s[0] & 1
-}
-
-func FeIsNonZero(f *FieldElement) int32 {
-	var s [32]byte
-	FeToBytes(&s, f)
-	var x uint8
-	for _, b := range s {
-		x |= b
-	}
-	x |= x >> 4
-	x |= x >> 2
-	x |= x >> 1
-	return int32(x & 1)
-}
-
-// FeNeg sets h = -f
-//
-// Preconditions:
-//    |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Postconditions:
-//    |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-func FeNeg(h, f *FieldElement) {
-	h[0] = -f[0]
-	h[1] = -f[1]
-	h[2] = -f[2]
-	h[3] = -f[3]
-	h[4] = -f[4]
-	h[5] = -f[5]
-	h[6] = -f[6]
-	h[7] = -f[7]
-	h[8] = -f[8]
-	h[9] = -f[9]
-}
-
-func FeCombine(h *FieldElement, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) {
-	var c0, c1, c2, c3, c4, c5, c6, c7, c8, c9 int64
-
-	/*
-	  |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38))
-	    i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8
-	  |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19))
-	    i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9
-	*/
-
-	c0 = (h0 + (1 << 25)) >> 26
-	h1 += c0
-	h0 -= c0 << 26
-	c4 = (h4 + (1 << 25)) >> 26
-	h5 += c4
-	h4 -= c4 << 26
-	/* |h0| <= 2^25 */
-	/* |h4| <= 2^25 */
-	/* |h1| <= 1.51*2^58 */
-	/* |h5| <= 1.51*2^58 */
-
-	c1 = (h1 + (1 << 24)) >> 25
-	h2 += c1
-	h1 -= c1 << 25
-	c5 = (h5 + (1 << 24)) >> 25
-	h6 += c5
-	h5 -= c5 << 25
-	/* |h1| <= 2^24; from now on fits into int32 */
-	/* |h5| <= 2^24; from now on fits into int32 */
-	/* |h2| <= 1.21*2^59 */
-	/* |h6| <= 1.21*2^59 */
-
-	c2 = (h2 + (1 << 25)) >> 26
-	h3 += c2
-	h2 -= c2 << 26
-	c6 = (h6 + (1 << 25)) >> 26
-	h7 += c6
-	h6 -= c6 << 26
-	/* |h2| <= 2^25; from now on fits into int32 unchanged */
-	/* |h6| <= 2^25; from now on fits into int32 unchanged */
-	/* |h3| <= 1.51*2^58 */
-	/* |h7| <= 1.51*2^58 */
-
-	c3 = (h3 + (1 << 24)) >> 25
-	h4 += c3
-	h3 -= c3 << 25
-	c7 = (h7 + (1 << 24)) >> 25
-	h8 += c7
-	h7 -= c7 << 25
-	/* |h3| <= 2^24; from now on fits into int32 unchanged */
-	/* |h7| <= 2^24; from now on fits into int32 unchanged */
-	/* |h4| <= 1.52*2^33 */
-	/* |h8| <= 1.52*2^33 */
-
-	c4 = (h4 + (1 << 25)) >> 26
-	h5 += c4
-	h4 -= c4 << 26
-	c8 = (h8 + (1 << 25)) >> 26
-	h9 += c8
-	h8 -= c8 << 26
-	/* |h4| <= 2^25; from now on fits into int32 unchanged */
-	/* |h8| <= 2^25; from now on fits into int32 unchanged */
-	/* |h5| <= 1.01*2^24 */
-	/* |h9| <= 1.51*2^58 */
-
-	c9 = (h9 + (1 << 24)) >> 25
-	h0 += c9 * 19
-	h9 -= c9 << 25
-	/* |h9| <= 2^24; from now on fits into int32 unchanged */
-	/* |h0| <= 1.8*2^37 */
-
-	c0 = (h0 + (1 << 25)) >> 26
-	h1 += c0
-	h0 -= c0 << 26
-	/* |h0| <= 2^25; from now on fits into int32 unchanged */
-	/* |h1| <= 1.01*2^24 */
-
-	h[0] = int32(h0)
-	h[1] = int32(h1)
-	h[2] = int32(h2)
-	h[3] = int32(h3)
-	h[4] = int32(h4)
-	h[5] = int32(h5)
-	h[6] = int32(h6)
-	h[7] = int32(h7)
-	h[8] = int32(h8)
-	h[9] = int32(h9)
-}
-
-// FeMul calculates h = f * g
-// Can overlap h with f or g.
-//
-// Preconditions:
-//    |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//    |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-//    |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Notes on implementation strategy:
-//
-// Using schoolbook multiplication.
-// Karatsuba would save a little in some cost models.
-//
-// Most multiplications by 2 and 19 are 32-bit precomputations;
-// cheaper than 64-bit postcomputations.
-//
-// There is one remaining multiplication by 19 in the carry chain;
-// one *19 precomputation can be merged into this,
-// but the resulting data flow is considerably less clean.
-//
-// There are 12 carries below.
-// 10 of them are 2-way parallelizable and vectorizable.
-// Can get away with 11 carries, but then data flow is much deeper.
-//
-// With tighter constraints on inputs, can squeeze carries into int32.
-func FeMul(h, f, g *FieldElement) {
-	f0 := int64(f[0])
-	f1 := int64(f[1])
-	f2 := int64(f[2])
-	f3 := int64(f[3])
-	f4 := int64(f[4])
-	f5 := int64(f[5])
-	f6 := int64(f[6])
-	f7 := int64(f[7])
-	f8 := int64(f[8])
-	f9 := int64(f[9])
-
-	f1_2 := int64(2 * f[1])
-	f3_2 := int64(2 * f[3])
-	f5_2 := int64(2 * f[5])
-	f7_2 := int64(2 * f[7])
-	f9_2 := int64(2 * f[9])
-
-	g0 := int64(g[0])
-	g1 := int64(g[1])
-	g2 := int64(g[2])
-	g3 := int64(g[3])
-	g4 := int64(g[4])
-	g5 := int64(g[5])
-	g6 := int64(g[6])
-	g7 := int64(g[7])
-	g8 := int64(g[8])
-	g9 := int64(g[9])
-
-	g1_19 := int64(19 * g[1]) /* 1.4*2^29 */
-	g2_19 := int64(19 * g[2]) /* 1.4*2^30; still ok */
-	g3_19 := int64(19 * g[3])
-	g4_19 := int64(19 * g[4])
-	g5_19 := int64(19 * g[5])
-	g6_19 := int64(19 * g[6])
-	g7_19 := int64(19 * g[7])
-	g8_19 := int64(19 * g[8])
-	g9_19 := int64(19 * g[9])
-
-	h0 := f0*g0 + f1_2*g9_19 + f2*g8_19 + f3_2*g7_19 + f4*g6_19 + f5_2*g5_19 + f6*g4_19 + f7_2*g3_19 + f8*g2_19 + f9_2*g1_19
-	h1 := f0*g1 + f1*g0 + f2*g9_19 + f3*g8_19 + f4*g7_19 + f5*g6_19 + f6*g5_19 + f7*g4_19 + f8*g3_19 + f9*g2_19
-	h2 := f0*g2 + f1_2*g1 + f2*g0 + f3_2*g9_19 + f4*g8_19 + f5_2*g7_19 + f6*g6_19 + f7_2*g5_19 + f8*g4_19 + f9_2*g3_19
-	h3 := f0*g3 + f1*g2 + f2*g1 + f3*g0 + f4*g9_19 + f5*g8_19 + f6*g7_19 + f7*g6_19 + f8*g5_19 + f9*g4_19
-	h4 := f0*g4 + f1_2*g3 + f2*g2 + f3_2*g1 + f4*g0 + f5_2*g9_19 + f6*g8_19 + f7_2*g7_19 + f8*g6_19 + f9_2*g5_19
-	h5 := f0*g5 + f1*g4 + f2*g3 + f3*g2 + f4*g1 + f5*g0 + f6*g9_19 + f7*g8_19 + f8*g7_19 + f9*g6_19
-	h6 := f0*g6 + f1_2*g5 + f2*g4 + f3_2*g3 + f4*g2 + f5_2*g1 + f6*g0 + f7_2*g9_19 + f8*g8_19 + f9_2*g7_19
-	h7 := f0*g7 + f1*g6 + f2*g5 + f3*g4 + f4*g3 + f5*g2 + f6*g1 + f7*g0 + f8*g9_19 + f9*g8_19
-	h8 := f0*g8 + f1_2*g7 + f2*g6 + f3_2*g5 + f4*g4 + f5_2*g3 + f6*g2 + f7_2*g1 + f8*g0 + f9_2*g9_19
-	h9 := f0*g9 + f1*g8 + f2*g7 + f3*g6 + f4*g5 + f5*g4 + f6*g3 + f7*g2 + f8*g1 + f9*g0
-
-	FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-func feSquare(f *FieldElement) (h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) {
-	f0 := int64(f[0])
-	f1 := int64(f[1])
-	f2 := int64(f[2])
-	f3 := int64(f[3])
-	f4 := int64(f[4])
-	f5 := int64(f[5])
-	f6 := int64(f[6])
-	f7 := int64(f[7])
-	f8 := int64(f[8])
-	f9 := int64(f[9])
-	f0_2 := int64(2 * f[0])
-	f1_2 := int64(2 * f[1])
-	f2_2 := int64(2 * f[2])
-	f3_2 := int64(2 * f[3])
-	f4_2 := int64(2 * f[4])
-	f5_2 := int64(2 * f[5])
-	f6_2 := int64(2 * f[6])
-	f7_2 := int64(2 * f[7])
-	f5_38 := 38 * f5 // 1.31*2^30
-	f6_19 := 19 * f6 // 1.31*2^30
-	f7_38 := 38 * f7 // 1.31*2^30
-	f8_19 := 19 * f8 // 1.31*2^30
-	f9_38 := 38 * f9 // 1.31*2^30
-
-	h0 = f0*f0 + f1_2*f9_38 + f2_2*f8_19 + f3_2*f7_38 + f4_2*f6_19 + f5*f5_38
-	h1 = f0_2*f1 + f2*f9_38 + f3_2*f8_19 + f4*f7_38 + f5_2*f6_19
-	h2 = f0_2*f2 + f1_2*f1 + f3_2*f9_38 + f4_2*f8_19 + f5_2*f7_38 + f6*f6_19
-	h3 = f0_2*f3 + f1_2*f2 + f4*f9_38 + f5_2*f8_19 + f6*f7_38
-	h4 = f0_2*f4 + f1_2*f3_2 + f2*f2 + f5_2*f9_38 + f6_2*f8_19 + f7*f7_38
-	h5 = f0_2*f5 + f1_2*f4 + f2_2*f3 + f6*f9_38 + f7_2*f8_19
-	h6 = f0_2*f6 + f1_2*f5_2 + f2_2*f4 + f3_2*f3 + f7_2*f9_38 + f8*f8_19
-	h7 = f0_2*f7 + f1_2*f6 + f2_2*f5 + f3_2*f4 + f8*f9_38
-	h8 = f0_2*f8 + f1_2*f7_2 + f2_2*f6 + f3_2*f5_2 + f4*f4 + f9*f9_38
-	h9 = f0_2*f9 + f1_2*f8 + f2_2*f7 + f3_2*f6 + f4_2*f5
-
-	return
-}
-
-// FeSquare calculates h = f*f. Can overlap h with f.
-//
-// Preconditions:
-//    |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-//    |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-func FeSquare(h, f *FieldElement) {
-	h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f)
-	FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-// FeSquare2 sets h = 2 * f * f
-//
-// Can overlap h with f.
-//
-// Preconditions:
-//    |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
-//
-// Postconditions:
-//    |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc.
-// See fe_mul.c for discussion of implementation strategy.
-func FeSquare2(h, f *FieldElement) {
-	h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f)
-
-	h0 += h0
-	h1 += h1
-	h2 += h2
-	h3 += h3
-	h4 += h4
-	h5 += h5
-	h6 += h6
-	h7 += h7
-	h8 += h8
-	h9 += h9
-
-	FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-func FeInvert(out, z *FieldElement) {
-	var t0, t1, t2, t3 FieldElement
-	var i int
-
-	FeSquare(&t0, z)        // 2^1
-	FeSquare(&t1, &t0)      // 2^2
-	for i = 1; i < 2; i++ { // 2^3
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t1, z, &t1)      // 2^3 + 2^0
-	FeMul(&t0, &t0, &t1)    // 2^3 + 2^1 + 2^0
-	FeSquare(&t2, &t0)      // 2^4 + 2^2 + 2^1
-	FeMul(&t1, &t1, &t2)    // 2^4 + 2^3 + 2^2 + 2^1 + 2^0
-	FeSquare(&t2, &t1)      // 5,4,3,2,1
-	for i = 1; i < 5; i++ { // 9,8,7,6,5
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t1, &t2, &t1)     // 9,8,7,6,5,4,3,2,1,0
-	FeSquare(&t2, &t1)       // 10..1
-	for i = 1; i < 10; i++ { // 19..10
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t2, &t2, &t1)     // 19..0
-	FeSquare(&t3, &t2)       // 20..1
-	for i = 1; i < 20; i++ { // 39..20
-		FeSquare(&t3, &t3)
-	}
-	FeMul(&t2, &t3, &t2)     // 39..0
-	FeSquare(&t2, &t2)       // 40..1
-	for i = 1; i < 10; i++ { // 49..10
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t1, &t2, &t1)     // 49..0
-	FeSquare(&t2, &t1)       // 50..1
-	for i = 1; i < 50; i++ { // 99..50
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t2, &t2, &t1)      // 99..0
-	FeSquare(&t3, &t2)        // 100..1
-	for i = 1; i < 100; i++ { // 199..100
-		FeSquare(&t3, &t3)
-	}
-	FeMul(&t2, &t3, &t2)     // 199..0
-	FeSquare(&t2, &t2)       // 200..1
-	for i = 1; i < 50; i++ { // 249..50
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t1, &t2, &t1)    // 249..0
-	FeSquare(&t1, &t1)      // 250..1
-	for i = 1; i < 5; i++ { // 254..5
-		FeSquare(&t1, &t1)
-	}
-	FeMul(out, &t1, &t0) // 254..5,3,1,0
-}
-
-func fePow22523(out, z *FieldElement) {
-	var t0, t1, t2 FieldElement
-	var i int
-
-	FeSquare(&t0, z)
-	for i = 1; i < 1; i++ {
-		FeSquare(&t0, &t0)
-	}
-	FeSquare(&t1, &t0)
-	for i = 1; i < 2; i++ {
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t1, z, &t1)
-	FeMul(&t0, &t0, &t1)
-	FeSquare(&t0, &t0)
-	for i = 1; i < 1; i++ {
-		FeSquare(&t0, &t0)
-	}
-	FeMul(&t0, &t1, &t0)
-	FeSquare(&t1, &t0)
-	for i = 1; i < 5; i++ {
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t0, &t1, &t0)
-	FeSquare(&t1, &t0)
-	for i = 1; i < 10; i++ {
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t1, &t1, &t0)
-	FeSquare(&t2, &t1)
-	for i = 1; i < 20; i++ {
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t1, &t2, &t1)
-	FeSquare(&t1, &t1)
-	for i = 1; i < 10; i++ {
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t0, &t1, &t0)
-	FeSquare(&t1, &t0)
-	for i = 1; i < 50; i++ {
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t1, &t1, &t0)
-	FeSquare(&t2, &t1)
-	for i = 1; i < 100; i++ {
-		FeSquare(&t2, &t2)
-	}
-	FeMul(&t1, &t2, &t1)
-	FeSquare(&t1, &t1)
-	for i = 1; i < 50; i++ {
-		FeSquare(&t1, &t1)
-	}
-	FeMul(&t0, &t1, &t0)
-	FeSquare(&t0, &t0)
-	for i = 1; i < 2; i++ {
-		FeSquare(&t0, &t0)
-	}
-	FeMul(out, &t0, z)
-}
-
-// Group elements are members of the elliptic curve -x^2 + y^2 = 1 + d * x^2 *
-// y^2 where d = -121665/121666.
-//
-// Several representations are used:
-//   ProjectiveGroupElement: (X:Y:Z) satisfying x=X/Z, y=Y/Z
-//   ExtendedGroupElement: (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT
-//   CompletedGroupElement: ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T
-//   PreComputedGroupElement: (y+x,y-x,2dxy)
-
-type ProjectiveGroupElement struct {
-	X, Y, Z FieldElement
-}
-
-type ExtendedGroupElement struct {
-	X, Y, Z, T FieldElement
-}
-
-type CompletedGroupElement struct {
-	X, Y, Z, T FieldElement
-}
-
-type PreComputedGroupElement struct {
-	yPlusX, yMinusX, xy2d FieldElement
-}
-
-type CachedGroupElement struct {
-	yPlusX, yMinusX, Z, T2d FieldElement
-}
-
-func (p *ProjectiveGroupElement) Zero() {
-	FeZero(&p.X)
-	FeOne(&p.Y)
-	FeOne(&p.Z)
-}
-
-func (p *ProjectiveGroupElement) Double(r *CompletedGroupElement) {
-	var t0 FieldElement
-
-	FeSquare(&r.X, &p.X)
-	FeSquare(&r.Z, &p.Y)
-	FeSquare2(&r.T, &p.Z)
-	FeAdd(&r.Y, &p.X, &p.Y)
-	FeSquare(&t0, &r.Y)
-	FeAdd(&r.Y, &r.Z, &r.X)
-	FeSub(&r.Z, &r.Z, &r.X)
-	FeSub(&r.X, &t0, &r.Y)
-	FeSub(&r.T, &r.T, &r.Z)
-}
-
-func (p *ProjectiveGroupElement) ToBytes(s *[32]byte) {
-	var recip, x, y FieldElement
-
-	FeInvert(&recip, &p.Z)
-	FeMul(&x, &p.X, &recip)
-	FeMul(&y, &p.Y, &recip)
-	FeToBytes(s, &y)
-	s[31] ^= FeIsNegative(&x) << 7
-}
-
-func (p *ExtendedGroupElement) Zero() {
-	FeZero(&p.X)
-	FeOne(&p.Y)
-	FeOne(&p.Z)
-	FeZero(&p.T)
-}
-
-func (p *ExtendedGroupElement) Double(r *CompletedGroupElement) {
-	var q ProjectiveGroupElement
-	p.ToProjective(&q)
-	q.Double(r)
-}
-
-func (p *ExtendedGroupElement) ToCached(r *CachedGroupElement) {
-	FeAdd(&r.yPlusX, &p.Y, &p.X)
-	FeSub(&r.yMinusX, &p.Y, &p.X)
-	FeCopy(&r.Z, &p.Z)
-	FeMul(&r.T2d, &p.T, &d2)
-}
-
-func (p *ExtendedGroupElement) ToProjective(r *ProjectiveGroupElement) {
-	FeCopy(&r.X, &p.X)
-	FeCopy(&r.Y, &p.Y)
-	FeCopy(&r.Z, &p.Z)
-}
-
-func (p *ExtendedGroupElement) ToBytes(s *[32]byte) {
-	var recip, x, y FieldElement
-
-	FeInvert(&recip, &p.Z)
-	FeMul(&x, &p.X, &recip)
-	FeMul(&y, &p.Y, &recip)
-	FeToBytes(s, &y)
-	s[31] ^= FeIsNegative(&x) << 7
-}
-
-func (p *ExtendedGroupElement) FromBytes(s *[32]byte) bool {
-	var u, v, v3, vxx, check FieldElement
-
-	FeFromBytes(&p.Y, s)
-	FeOne(&p.Z)
-	FeSquare(&u, &p.Y)
-	FeMul(&v, &u, &d)
-	FeSub(&u, &u, &p.Z) // y = y^2-1
-	FeAdd(&v, &v, &p.Z) // v = dy^2+1
-
-	FeSquare(&v3, &v)
-	FeMul(&v3, &v3, &v) // v3 = v^3
-	FeSquare(&p.X, &v3)
-	FeMul(&p.X, &p.X, &v)
-	FeMul(&p.X, &p.X, &u) // x = uv^7
-
-	fePow22523(&p.X, &p.X) // x = (uv^7)^((q-5)/8)
-	FeMul(&p.X, &p.X, &v3)
-	FeMul(&p.X, &p.X, &u) // x = uv^3(uv^7)^((q-5)/8)
-
-	var tmpX, tmp2 [32]byte
-
-	FeSquare(&vxx, &p.X)
-	FeMul(&vxx, &vxx, &v)
-	FeSub(&check, &vxx, &u) // vx^2-u
-	if FeIsNonZero(&check) == 1 {
-		FeAdd(&check, &vxx, &u) // vx^2+u
-		if FeIsNonZero(&check) == 1 {
-			return false
-		}
-		FeMul(&p.X, &p.X, &SqrtM1)
-
-		FeToBytes(&tmpX, &p.X)
-		for i, v := range tmpX {
-			tmp2[31-i] = v
-		}
-	}
-
-	if FeIsNegative(&p.X) != (s[31] >> 7) {
-		FeNeg(&p.X, &p.X)
-	}
-
-	FeMul(&p.T, &p.X, &p.Y)
-	return true
-}
-
-func (p *CompletedGroupElement) ToProjective(r *ProjectiveGroupElement) {
-	FeMul(&r.X, &p.X, &p.T)
-	FeMul(&r.Y, &p.Y, &p.Z)
-	FeMul(&r.Z, &p.Z, &p.T)
-}
-
-func (p *CompletedGroupElement) ToExtended(r *ExtendedGroupElement) {
-	FeMul(&r.X, &p.X, &p.T)
-	FeMul(&r.Y, &p.Y, &p.Z)
-	FeMul(&r.Z, &p.Z, &p.T)
-	FeMul(&r.T, &p.X, &p.Y)
-}
-
-func (p *PreComputedGroupElement) Zero() {
-	FeOne(&p.yPlusX)
-	FeOne(&p.yMinusX)
-	FeZero(&p.xy2d)
-}
-
-func geAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) {
-	var t0 FieldElement
-
-	FeAdd(&r.X, &p.Y, &p.X)
-	FeSub(&r.Y, &p.Y, &p.X)
-	FeMul(&r.Z, &r.X, &q.yPlusX)
-	FeMul(&r.Y, &r.Y, &q.yMinusX)
-	FeMul(&r.T, &q.T2d, &p.T)
-	FeMul(&r.X, &p.Z, &q.Z)
-	FeAdd(&t0, &r.X, &r.X)
-	FeSub(&r.X, &r.Z, &r.Y)
-	FeAdd(&r.Y, &r.Z, &r.Y)
-	FeAdd(&r.Z, &t0, &r.T)
-	FeSub(&r.T, &t0, &r.T)
-}
-
-func geSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) {
-	var t0 FieldElement
-
-	FeAdd(&r.X, &p.Y, &p.X)
-	FeSub(&r.Y, &p.Y, &p.X)
-	FeMul(&r.Z, &r.X, &q.yMinusX)
-	FeMul(&r.Y, &r.Y, &q.yPlusX)
-	FeMul(&r.T, &q.T2d, &p.T)
-	FeMul(&r.X, &p.Z, &q.Z)
-	FeAdd(&t0, &r.X, &r.X)
-	FeSub(&r.X, &r.Z, &r.Y)
-	FeAdd(&r.Y, &r.Z, &r.Y)
-	FeSub(&r.Z, &t0, &r.T)
-	FeAdd(&r.T, &t0, &r.T)
-}
-
-func geMixedAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) {
-	var t0 FieldElement
-
-	FeAdd(&r.X, &p.Y, &p.X)
-	FeSub(&r.Y, &p.Y, &p.X)
-	FeMul(&r.Z, &r.X, &q.yPlusX)
-	FeMul(&r.Y, &r.Y, &q.yMinusX)
-	FeMul(&r.T, &q.xy2d, &p.T)
-	FeAdd(&t0, &p.Z, &p.Z)
-	FeSub(&r.X, &r.Z, &r.Y)
-	FeAdd(&r.Y, &r.Z, &r.Y)
-	FeAdd(&r.Z, &t0, &r.T)
-	FeSub(&r.T, &t0, &r.T)
-}
-
-func geMixedSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) {
-	var t0 FieldElement
-
-	FeAdd(&r.X, &p.Y, &p.X)
-	FeSub(&r.Y, &p.Y, &p.X)
-	FeMul(&r.Z, &r.X, &q.yMinusX)
-	FeMul(&r.Y, &r.Y, &q.yPlusX)
-	FeMul(&r.T, &q.xy2d, &p.T)
-	FeAdd(&t0, &p.Z, &p.Z)
-	FeSub(&r.X, &r.Z, &r.Y)
-	FeAdd(&r.Y, &r.Z, &r.Y)
-	FeSub(&r.Z, &t0, &r.T)
-	FeAdd(&r.T, &t0, &r.T)
-}
-
-func slide(r *[256]int8, a *[32]byte) {
-	for i := range r {
-		r[i] = int8(1 & (a[i>>3] >> uint(i&7)))
-	}
-
-	for i := range r {
-		if r[i] != 0 {
-			for b := 1; b <= 6 && i+b < 256; b++ {
-				if r[i+b] != 0 {
-					if r[i]+(r[i+b]<<uint(b)) <= 15 {
-						r[i] += r[i+b] << uint(b)
-						r[i+b] = 0
-					} else if r[i]-(r[i+b]<<uint(b)) >= -15 {
-						r[i] -= r[i+b] << uint(b)
-						for k := i + b; k < 256; k++ {
-							if r[k] == 0 {
-								r[k] = 1
-								break
-							}
-							r[k] = 0
-						}
-					} else {
-						break
-					}
-				}
-			}
-		}
-	}
-}
-
-// GeDoubleScalarMultVartime sets r = a*A + b*B
-// where a = a[0]+256*a[1]+...+256^31 a[31].
-// and b = b[0]+256*b[1]+...+256^31 b[31].
-// B is the Ed25519 base point (x,4/5) with x positive.
-func GeDoubleScalarMultVartime(r *ProjectiveGroupElement, a *[32]byte, A *ExtendedGroupElement, b *[32]byte) {
-	var aSlide, bSlide [256]int8
-	var Ai [8]CachedGroupElement // A,3A,5A,7A,9A,11A,13A,15A
-	var t CompletedGroupElement
-	var u, A2 ExtendedGroupElement
-	var i int
-
-	slide(&aSlide, a)
-	slide(&bSlide, b)
-
-	A.ToCached(&Ai[0])
-	A.Double(&t)
-	t.ToExtended(&A2)
-
-	for i := 0; i < 7; i++ {
-		geAdd(&t, &A2, &Ai[i])
-		t.ToExtended(&u)
-		u.ToCached(&Ai[i+1])
-	}
-
-	r.Zero()
-
-	for i = 255; i >= 0; i-- {
-		if aSlide[i] != 0 || bSlide[i] != 0 {
-			break
-		}
-	}
-
-	for ; i >= 0; i-- {
-		r.Double(&t)
-
-		if aSlide[i] > 0 {
-			t.ToExtended(&u)
-			geAdd(&t, &u, &Ai[aSlide[i]/2])
-		} else if aSlide[i] < 0 {
-			t.ToExtended(&u)
-			geSub(&t, &u, &Ai[(-aSlide[i])/2])
-		}
-
-		if bSlide[i] > 0 {
-			t.ToExtended(&u)
-			geMixedAdd(&t, &u, &bi[bSlide[i]/2])
-		} else if bSlide[i] < 0 {
-			t.ToExtended(&u)
-			geMixedSub(&t, &u, &bi[(-bSlide[i])/2])
-		}
-
-		t.ToProjective(r)
-	}
-}
-
-// equal returns 1 if b == c and 0 otherwise, assuming that b and c are
-// non-negative.
-func equal(b, c int32) int32 {
-	x := uint32(b ^ c)
-	x--
-	return int32(x >> 31)
-}
-
-// negative returns 1 if b < 0 and 0 otherwise.
-func negative(b int32) int32 {
-	return (b >> 31) & 1
-}
-
-func PreComputedGroupElementCMove(t, u *PreComputedGroupElement, b int32) {
-	FeCMove(&t.yPlusX, &u.yPlusX, b)
-	FeCMove(&t.yMinusX, &u.yMinusX, b)
-	FeCMove(&t.xy2d, &u.xy2d, b)
-}
-
-func selectPoint(t *PreComputedGroupElement, pos int32, b int32) {
-	var minusT PreComputedGroupElement
-	bNegative := negative(b)
-	bAbs := b - (((-bNegative) & b) << 1)
-
-	t.Zero()
-	for i := int32(0); i < 8; i++ {
-		PreComputedGroupElementCMove(t, &base[pos][i], equal(bAbs, i+1))
-	}
-	FeCopy(&minusT.yPlusX, &t.yMinusX)
-	FeCopy(&minusT.yMinusX, &t.yPlusX)
-	FeNeg(&minusT.xy2d, &t.xy2d)
-	PreComputedGroupElementCMove(t, &minusT, bNegative)
-}
-
-// GeScalarMultBase computes h = a*B, where
-//   a = a[0]+256*a[1]+...+256^31 a[31]
-//   B is the Ed25519 base point (x,4/5) with x positive.
-//
-// Preconditions:
-//   a[31] <= 127
-func GeScalarMultBase(h *ExtendedGroupElement, a *[32]byte) {
-	var e [64]int8
-
-	for i, v := range a {
-		e[2*i] = int8(v & 15)
-		e[2*i+1] = int8((v >> 4) & 15)
-	}
-
-	// each e[i] is between 0 and 15 and e[63] is between 0 and 7.
-
-	carry := int8(0)
-	for i := 0; i < 63; i++ {
-		e[i] += carry
-		carry = (e[i] + 8) >> 4
-		e[i] -= carry << 4
-	}
-	e[63] += carry
-	// each e[i] is between -8 and 8.
-
-	h.Zero()
-	var t PreComputedGroupElement
-	var r CompletedGroupElement
-	for i := int32(1); i < 64; i += 2 {
-		selectPoint(&t, i/2, int32(e[i]))
-		geMixedAdd(&r, h, &t)
-		r.ToExtended(h)
-	}
-
-	var s ProjectiveGroupElement
-
-	h.Double(&r)
-	r.ToProjective(&s)
-	s.Double(&r)
-	r.ToProjective(&s)
-	s.Double(&r)
-	r.ToProjective(&s)
-	s.Double(&r)
-	r.ToExtended(h)
-
-	for i := int32(0); i < 64; i += 2 {
-		selectPoint(&t, i/2, int32(e[i]))
-		geMixedAdd(&r, h, &t)
-		r.ToExtended(h)
-	}
-}
-
-// The scalars are GF(2^252 + 27742317777372353535851937790883648493).
-
-// Input:
-//   a[0]+256*a[1]+...+256^31*a[31] = a
-//   b[0]+256*b[1]+...+256^31*b[31] = b
-//   c[0]+256*c[1]+...+256^31*c[31] = c
-//
-// Output:
-//   s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l
-//   where l = 2^252 + 27742317777372353535851937790883648493.
-func ScMulAdd(s, a, b, c *[32]byte) {
-	a0 := 2097151 & load3(a[:])
-	a1 := 2097151 & (load4(a[2:]) >> 5)
-	a2 := 2097151 & (load3(a[5:]) >> 2)
-	a3 := 2097151 & (load4(a[7:]) >> 7)
-	a4 := 2097151 & (load4(a[10:]) >> 4)
-	a5 := 2097151 & (load3(a[13:]) >> 1)
-	a6 := 2097151 & (load4(a[15:]) >> 6)
-	a7 := 2097151 & (load3(a[18:]) >> 3)
-	a8 := 2097151 & load3(a[21:])
-	a9 := 2097151 & (load4(a[23:]) >> 5)
-	a10 := 2097151 & (load3(a[26:]) >> 2)
-	a11 := (load4(a[28:]) >> 7)
-	b0 := 2097151 & load3(b[:])
-	b1 := 2097151 & (load4(b[2:]) >> 5)
-	b2 := 2097151 & (load3(b[5:]) >> 2)
-	b3 := 2097151 & (load4(b[7:]) >> 7)
-	b4 := 2097151 & (load4(b[10:]) >> 4)
-	b5 := 2097151 & (load3(b[13:]) >> 1)
-	b6 := 2097151 & (load4(b[15:]) >> 6)
-	b7 := 2097151 & (load3(b[18:]) >> 3)
-	b8 := 2097151 & load3(b[21:])
-	b9 := 2097151 & (load4(b[23:]) >> 5)
-	b10 := 2097151 & (load3(b[26:]) >> 2)
-	b11 := (load4(b[28:]) >> 7)
-	c0 := 2097151 & load3(c[:])
-	c1 := 2097151 & (load4(c[2:]) >> 5)
-	c2 := 2097151 & (load3(c[5:]) >> 2)
-	c3 := 2097151 & (load4(c[7:]) >> 7)
-	c4 := 2097151 & (load4(c[10:]) >> 4)
-	c5 := 2097151 & (load3(c[13:]) >> 1)
-	c6 := 2097151 & (load4(c[15:]) >> 6)
-	c7 := 2097151 & (load3(c[18:]) >> 3)
-	c8 := 2097151 & load3(c[21:])
-	c9 := 2097151 & (load4(c[23:]) >> 5)
-	c10 := 2097151 & (load3(c[26:]) >> 2)
-	c11 := (load4(c[28:]) >> 7)
-	var carry [23]int64
-
-	s0 := c0 + a0*b0
-	s1 := c1 + a0*b1 + a1*b0
-	s2 := c2 + a0*b2 + a1*b1 + a2*b0
-	s3 := c3 + a0*b3 + a1*b2 + a2*b1 + a3*b0
-	s4 := c4 + a0*b4 + a1*b3 + a2*b2 + a3*b1 + a4*b0
-	s5 := c5 + a0*b5 + a1*b4 + a2*b3 + a3*b2 + a4*b1 + a5*b0
-	s6 := c6 + a0*b6 + a1*b5 + a2*b4 + a3*b3 + a4*b2 + a5*b1 + a6*b0
-	s7 := c7 + a0*b7 + a1*b6 + a2*b5 + a3*b4 + a4*b3 + a5*b2 + a6*b1 + a7*b0
-	s8 := c8 + a0*b8 + a1*b7 + a2*b6 + a3*b5 + a4*b4 + a5*b3 + a6*b2 + a7*b1 + a8*b0
-	s9 := c9 + a0*b9 + a1*b8 + a2*b7 + a3*b6 + a4*b5 + a5*b4 + a6*b3 + a7*b2 + a8*b1 + a9*b0
-	s10 := c10 + a0*b10 + a1*b9 + a2*b8 + a3*b7 + a4*b6 + a5*b5 + a6*b4 + a7*b3 + a8*b2 + a9*b1 + a10*b0
-	s11 := c11 + a0*b11 + a1*b10 + a2*b9 + a3*b8 + a4*b7 + a5*b6 + a6*b5 + a7*b4 + a8*b3 + a9*b2 + a10*b1 + a11*b0
-	s12 := a1*b11 + a2*b10 + a3*b9 + a4*b8 + a5*b7 + a6*b6 + a7*b5 + a8*b4 + a9*b3 + a10*b2 + a11*b1
-	s13 := a2*b11 + a3*b10 + a4*b9 + a5*b8 + a6*b7 + a7*b6 + a8*b5 + a9*b4 + a10*b3 + a11*b2
-	s14 := a3*b11 + a4*b10 + a5*b9 + a6*b8 + a7*b7 + a8*b6 + a9*b5 + a10*b4 + a11*b3
-	s15 := a4*b11 + a5*b10 + a6*b9 + a7*b8 + a8*b7 + a9*b6 + a10*b5 + a11*b4
-	s16 := a5*b11 + a6*b10 + a7*b9 + a8*b8 + a9*b7 + a10*b6 + a11*b5
-	s17 := a6*b11 + a7*b10 + a8*b9 + a9*b8 + a10*b7 + a11*b6
-	s18 := a7*b11 + a8*b10 + a9*b9 + a10*b8 + a11*b7
-	s19 := a8*b11 + a9*b10 + a10*b9 + a11*b8
-	s20 := a9*b11 + a10*b10 + a11*b9
-	s21 := a10*b11 + a11*b10
-	s22 := a11 * b11
-	s23 := int64(0)
-
-	carry[0] = (s0 + (1 << 20)) >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[2] = (s2 + (1 << 20)) >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[4] = (s4 + (1 << 20)) >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[6] = (s6 + (1 << 20)) >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[8] = (s8 + (1 << 20)) >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[10] = (s10 + (1 << 20)) >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-	carry[12] = (s12 + (1 << 20)) >> 21
-	s13 += carry[12]
-	s12 -= carry[12] << 21
-	carry[14] = (s14 + (1 << 20)) >> 21
-	s15 += carry[14]
-	s14 -= carry[14] << 21
-	carry[16] = (s16 + (1 << 20)) >> 21
-	s17 += carry[16]
-	s16 -= carry[16] << 21
-	carry[18] = (s18 + (1 << 20)) >> 21
-	s19 += carry[18]
-	s18 -= carry[18] << 21
-	carry[20] = (s20 + (1 << 20)) >> 21
-	s21 += carry[20]
-	s20 -= carry[20] << 21
-	carry[22] = (s22 + (1 << 20)) >> 21
-	s23 += carry[22]
-	s22 -= carry[22] << 21
-
-	carry[1] = (s1 + (1 << 20)) >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[3] = (s3 + (1 << 20)) >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[5] = (s5 + (1 << 20)) >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[7] = (s7 + (1 << 20)) >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[9] = (s9 + (1 << 20)) >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[11] = (s11 + (1 << 20)) >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-	carry[13] = (s13 + (1 << 20)) >> 21
-	s14 += carry[13]
-	s13 -= carry[13] << 21
-	carry[15] = (s15 + (1 << 20)) >> 21
-	s16 += carry[15]
-	s15 -= carry[15] << 21
-	carry[17] = (s17 + (1 << 20)) >> 21
-	s18 += carry[17]
-	s17 -= carry[17] << 21
-	carry[19] = (s19 + (1 << 20)) >> 21
-	s20 += carry[19]
-	s19 -= carry[19] << 21
-	carry[21] = (s21 + (1 << 20)) >> 21
-	s22 += carry[21]
-	s21 -= carry[21] << 21
-
-	s11 += s23 * 666643
-	s12 += s23 * 470296
-	s13 += s23 * 654183
-	s14 -= s23 * 997805
-	s15 += s23 * 136657
-	s16 -= s23 * 683901
-	s23 = 0
-
-	s10 += s22 * 666643
-	s11 += s22 * 470296
-	s12 += s22 * 654183
-	s13 -= s22 * 997805
-	s14 += s22 * 136657
-	s15 -= s22 * 683901
-	s22 = 0
-
-	s9 += s21 * 666643
-	s10 += s21 * 470296
-	s11 += s21 * 654183
-	s12 -= s21 * 997805
-	s13 += s21 * 136657
-	s14 -= s21 * 683901
-	s21 = 0
-
-	s8 += s20 * 666643
-	s9 += s20 * 470296
-	s10 += s20 * 654183
-	s11 -= s20 * 997805
-	s12 += s20 * 136657
-	s13 -= s20 * 683901
-	s20 = 0
-
-	s7 += s19 * 666643
-	s8 += s19 * 470296
-	s9 += s19 * 654183
-	s10 -= s19 * 997805
-	s11 += s19 * 136657
-	s12 -= s19 * 683901
-	s19 = 0
-
-	s6 += s18 * 666643
-	s7 += s18 * 470296
-	s8 += s18 * 654183
-	s9 -= s18 * 997805
-	s10 += s18 * 136657
-	s11 -= s18 * 683901
-	s18 = 0
-
-	carry[6] = (s6 + (1 << 20)) >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[8] = (s8 + (1 << 20)) >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[10] = (s10 + (1 << 20)) >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-	carry[12] = (s12 + (1 << 20)) >> 21
-	s13 += carry[12]
-	s12 -= carry[12] << 21
-	carry[14] = (s14 + (1 << 20)) >> 21
-	s15 += carry[14]
-	s14 -= carry[14] << 21
-	carry[16] = (s16 + (1 << 20)) >> 21
-	s17 += carry[16]
-	s16 -= carry[16] << 21
-
-	carry[7] = (s7 + (1 << 20)) >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[9] = (s9 + (1 << 20)) >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[11] = (s11 + (1 << 20)) >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-	carry[13] = (s13 + (1 << 20)) >> 21
-	s14 += carry[13]
-	s13 -= carry[13] << 21
-	carry[15] = (s15 + (1 << 20)) >> 21
-	s16 += carry[15]
-	s15 -= carry[15] << 21
-
-	s5 += s17 * 666643
-	s6 += s17 * 470296
-	s7 += s17 * 654183
-	s8 -= s17 * 997805
-	s9 += s17 * 136657
-	s10 -= s17 * 683901
-	s17 = 0
-
-	s4 += s16 * 666643
-	s5 += s16 * 470296
-	s6 += s16 * 654183
-	s7 -= s16 * 997805
-	s8 += s16 * 136657
-	s9 -= s16 * 683901
-	s16 = 0
-
-	s3 += s15 * 666643
-	s4 += s15 * 470296
-	s5 += s15 * 654183
-	s6 -= s15 * 997805
-	s7 += s15 * 136657
-	s8 -= s15 * 683901
-	s15 = 0
-
-	s2 += s14 * 666643
-	s3 += s14 * 470296
-	s4 += s14 * 654183
-	s5 -= s14 * 997805
-	s6 += s14 * 136657
-	s7 -= s14 * 683901
-	s14 = 0
-
-	s1 += s13 * 666643
-	s2 += s13 * 470296
-	s3 += s13 * 654183
-	s4 -= s13 * 997805
-	s5 += s13 * 136657
-	s6 -= s13 * 683901
-	s13 = 0
-
-	s0 += s12 * 666643
-	s1 += s12 * 470296
-	s2 += s12 * 654183
-	s3 -= s12 * 997805
-	s4 += s12 * 136657
-	s5 -= s12 * 683901
-	s12 = 0
-
-	carry[0] = (s0 + (1 << 20)) >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[2] = (s2 + (1 << 20)) >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[4] = (s4 + (1 << 20)) >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[6] = (s6 + (1 << 20)) >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[8] = (s8 + (1 << 20)) >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[10] = (s10 + (1 << 20)) >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-
-	carry[1] = (s1 + (1 << 20)) >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[3] = (s3 + (1 << 20)) >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[5] = (s5 + (1 << 20)) >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[7] = (s7 + (1 << 20)) >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[9] = (s9 + (1 << 20)) >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[11] = (s11 + (1 << 20)) >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-
-	s0 += s12 * 666643
-	s1 += s12 * 470296
-	s2 += s12 * 654183
-	s3 -= s12 * 997805
-	s4 += s12 * 136657
-	s5 -= s12 * 683901
-	s12 = 0
-
-	carry[0] = s0 >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[1] = s1 >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[2] = s2 >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[3] = s3 >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[4] = s4 >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[5] = s5 >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[6] = s6 >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[7] = s7 >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[8] = s8 >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[9] = s9 >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[10] = s10 >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-	carry[11] = s11 >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-
-	s0 += s12 * 666643
-	s1 += s12 * 470296
-	s2 += s12 * 654183
-	s3 -= s12 * 997805
-	s4 += s12 * 136657
-	s5 -= s12 * 683901
-	s12 = 0
-
-	carry[0] = s0 >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[1] = s1 >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[2] = s2 >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[3] = s3 >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[4] = s4 >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[5] = s5 >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[6] = s6 >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[7] = s7 >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[8] = s8 >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[9] = s9 >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[10] = s10 >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-
-	s[0] = byte(s0 >> 0)
-	s[1] = byte(s0 >> 8)
-	s[2] = byte((s0 >> 16) | (s1 << 5))
-	s[3] = byte(s1 >> 3)
-	s[4] = byte(s1 >> 11)
-	s[5] = byte((s1 >> 19) | (s2 << 2))
-	s[6] = byte(s2 >> 6)
-	s[7] = byte((s2 >> 14) | (s3 << 7))
-	s[8] = byte(s3 >> 1)
-	s[9] = byte(s3 >> 9)
-	s[10] = byte((s3 >> 17) | (s4 << 4))
-	s[11] = byte(s4 >> 4)
-	s[12] = byte(s4 >> 12)
-	s[13] = byte((s4 >> 20) | (s5 << 1))
-	s[14] = byte(s5 >> 7)
-	s[15] = byte((s5 >> 15) | (s6 << 6))
-	s[16] = byte(s6 >> 2)
-	s[17] = byte(s6 >> 10)
-	s[18] = byte((s6 >> 18) | (s7 << 3))
-	s[19] = byte(s7 >> 5)
-	s[20] = byte(s7 >> 13)
-	s[21] = byte(s8 >> 0)
-	s[22] = byte(s8 >> 8)
-	s[23] = byte((s8 >> 16) | (s9 << 5))
-	s[24] = byte(s9 >> 3)
-	s[25] = byte(s9 >> 11)
-	s[26] = byte((s9 >> 19) | (s10 << 2))
-	s[27] = byte(s10 >> 6)
-	s[28] = byte((s10 >> 14) | (s11 << 7))
-	s[29] = byte(s11 >> 1)
-	s[30] = byte(s11 >> 9)
-	s[31] = byte(s11 >> 17)
-}
-
-// Input:
-//   s[0]+256*s[1]+...+256^63*s[63] = s
-//
-// Output:
-//   s[0]+256*s[1]+...+256^31*s[31] = s mod l
-//   where l = 2^252 + 27742317777372353535851937790883648493.
-func ScReduce(out *[32]byte, s *[64]byte) {
-	s0 := 2097151 & load3(s[:])
-	s1 := 2097151 & (load4(s[2:]) >> 5)
-	s2 := 2097151 & (load3(s[5:]) >> 2)
-	s3 := 2097151 & (load4(s[7:]) >> 7)
-	s4 := 2097151 & (load4(s[10:]) >> 4)
-	s5 := 2097151 & (load3(s[13:]) >> 1)
-	s6 := 2097151 & (load4(s[15:]) >> 6)
-	s7 := 2097151 & (load3(s[18:]) >> 3)
-	s8 := 2097151 & load3(s[21:])
-	s9 := 2097151 & (load4(s[23:]) >> 5)
-	s10 := 2097151 & (load3(s[26:]) >> 2)
-	s11 := 2097151 & (load4(s[28:]) >> 7)
-	s12 := 2097151 & (load4(s[31:]) >> 4)
-	s13 := 2097151 & (load3(s[34:]) >> 1)
-	s14 := 2097151 & (load4(s[36:]) >> 6)
-	s15 := 2097151 & (load3(s[39:]) >> 3)
-	s16 := 2097151 & load3(s[42:])
-	s17 := 2097151 & (load4(s[44:]) >> 5)
-	s18 := 2097151 & (load3(s[47:]) >> 2)
-	s19 := 2097151 & (load4(s[49:]) >> 7)
-	s20 := 2097151 & (load4(s[52:]) >> 4)
-	s21 := 2097151 & (load3(s[55:]) >> 1)
-	s22 := 2097151 & (load4(s[57:]) >> 6)
-	s23 := (load4(s[60:]) >> 3)
-
-	s11 += s23 * 666643
-	s12 += s23 * 470296
-	s13 += s23 * 654183
-	s14 -= s23 * 997805
-	s15 += s23 * 136657
-	s16 -= s23 * 683901
-	s23 = 0
-
-	s10 += s22 * 666643
-	s11 += s22 * 470296
-	s12 += s22 * 654183
-	s13 -= s22 * 997805
-	s14 += s22 * 136657
-	s15 -= s22 * 683901
-	s22 = 0
-
-	s9 += s21 * 666643
-	s10 += s21 * 470296
-	s11 += s21 * 654183
-	s12 -= s21 * 997805
-	s13 += s21 * 136657
-	s14 -= s21 * 683901
-	s21 = 0
-
-	s8 += s20 * 666643
-	s9 += s20 * 470296
-	s10 += s20 * 654183
-	s11 -= s20 * 997805
-	s12 += s20 * 136657
-	s13 -= s20 * 683901
-	s20 = 0
-
-	s7 += s19 * 666643
-	s8 += s19 * 470296
-	s9 += s19 * 654183
-	s10 -= s19 * 997805
-	s11 += s19 * 136657
-	s12 -= s19 * 683901
-	s19 = 0
-
-	s6 += s18 * 666643
-	s7 += s18 * 470296
-	s8 += s18 * 654183
-	s9 -= s18 * 997805
-	s10 += s18 * 136657
-	s11 -= s18 * 683901
-	s18 = 0
-
-	var carry [17]int64
-
-	carry[6] = (s6 + (1 << 20)) >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[8] = (s8 + (1 << 20)) >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[10] = (s10 + (1 << 20)) >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-	carry[12] = (s12 + (1 << 20)) >> 21
-	s13 += carry[12]
-	s12 -= carry[12] << 21
-	carry[14] = (s14 + (1 << 20)) >> 21
-	s15 += carry[14]
-	s14 -= carry[14] << 21
-	carry[16] = (s16 + (1 << 20)) >> 21
-	s17 += carry[16]
-	s16 -= carry[16] << 21
-
-	carry[7] = (s7 + (1 << 20)) >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[9] = (s9 + (1 << 20)) >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[11] = (s11 + (1 << 20)) >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-	carry[13] = (s13 + (1 << 20)) >> 21
-	s14 += carry[13]
-	s13 -= carry[13] << 21
-	carry[15] = (s15 + (1 << 20)) >> 21
-	s16 += carry[15]
-	s15 -= carry[15] << 21
-
-	s5 += s17 * 666643
-	s6 += s17 * 470296
-	s7 += s17 * 654183
-	s8 -= s17 * 997805
-	s9 += s17 * 136657
-	s10 -= s17 * 683901
-	s17 = 0
-
-	s4 += s16 * 666643
-	s5 += s16 * 470296
-	s6 += s16 * 654183
-	s7 -= s16 * 997805
-	s8 += s16 * 136657
-	s9 -= s16 * 683901
-	s16 = 0
-
-	s3 += s15 * 666643
-	s4 += s15 * 470296
-	s5 += s15 * 654183
-	s6 -= s15 * 997805
-	s7 += s15 * 136657
-	s8 -= s15 * 683901
-	s15 = 0
-
-	s2 += s14 * 666643
-	s3 += s14 * 470296
-	s4 += s14 * 654183
-	s5 -= s14 * 997805
-	s6 += s14 * 136657
-	s7 -= s14 * 683901
-	s14 = 0
-
-	s1 += s13 * 666643
-	s2 += s13 * 470296
-	s3 += s13 * 654183
-	s4 -= s13 * 997805
-	s5 += s13 * 136657
-	s6 -= s13 * 683901
-	s13 = 0
-
-	s0 += s12 * 666643
-	s1 += s12 * 470296
-	s2 += s12 * 654183
-	s3 -= s12 * 997805
-	s4 += s12 * 136657
-	s5 -= s12 * 683901
-	s12 = 0
-
-	carry[0] = (s0 + (1 << 20)) >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[2] = (s2 + (1 << 20)) >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[4] = (s4 + (1 << 20)) >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[6] = (s6 + (1 << 20)) >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[8] = (s8 + (1 << 20)) >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[10] = (s10 + (1 << 20)) >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-
-	carry[1] = (s1 + (1 << 20)) >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[3] = (s3 + (1 << 20)) >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[5] = (s5 + (1 << 20)) >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[7] = (s7 + (1 << 20)) >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[9] = (s9 + (1 << 20)) >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[11] = (s11 + (1 << 20)) >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-
-	s0 += s12 * 666643
-	s1 += s12 * 470296
-	s2 += s12 * 654183
-	s3 -= s12 * 997805
-	s4 += s12 * 136657
-	s5 -= s12 * 683901
-	s12 = 0
-
-	carry[0] = s0 >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[1] = s1 >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[2] = s2 >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[3] = s3 >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[4] = s4 >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[5] = s5 >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[6] = s6 >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[7] = s7 >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[8] = s8 >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[9] = s9 >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[10] = s10 >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-	carry[11] = s11 >> 21
-	s12 += carry[11]
-	s11 -= carry[11] << 21
-
-	s0 += s12 * 666643
-	s1 += s12 * 470296
-	s2 += s12 * 654183
-	s3 -= s12 * 997805
-	s4 += s12 * 136657
-	s5 -= s12 * 683901
-	s12 = 0
-
-	carry[0] = s0 >> 21
-	s1 += carry[0]
-	s0 -= carry[0] << 21
-	carry[1] = s1 >> 21
-	s2 += carry[1]
-	s1 -= carry[1] << 21
-	carry[2] = s2 >> 21
-	s3 += carry[2]
-	s2 -= carry[2] << 21
-	carry[3] = s3 >> 21
-	s4 += carry[3]
-	s3 -= carry[3] << 21
-	carry[4] = s4 >> 21
-	s5 += carry[4]
-	s4 -= carry[4] << 21
-	carry[5] = s5 >> 21
-	s6 += carry[5]
-	s5 -= carry[5] << 21
-	carry[6] = s6 >> 21
-	s7 += carry[6]
-	s6 -= carry[6] << 21
-	carry[7] = s7 >> 21
-	s8 += carry[7]
-	s7 -= carry[7] << 21
-	carry[8] = s8 >> 21
-	s9 += carry[8]
-	s8 -= carry[8] << 21
-	carry[9] = s9 >> 21
-	s10 += carry[9]
-	s9 -= carry[9] << 21
-	carry[10] = s10 >> 21
-	s11 += carry[10]
-	s10 -= carry[10] << 21
-
-	out[0] = byte(s0 >> 0)
-	out[1] = byte(s0 >> 8)
-	out[2] = byte((s0 >> 16) | (s1 << 5))
-	out[3] = byte(s1 >> 3)
-	out[4] = byte(s1 >> 11)
-	out[5] = byte((s1 >> 19) | (s2 << 2))
-	out[6] = byte(s2 >> 6)
-	out[7] = byte((s2 >> 14) | (s3 << 7))
-	out[8] = byte(s3 >> 1)
-	out[9] = byte(s3 >> 9)
-	out[10] = byte((s3 >> 17) | (s4 << 4))
-	out[11] = byte(s4 >> 4)
-	out[12] = byte(s4 >> 12)
-	out[13] = byte((s4 >> 20) | (s5 << 1))
-	out[14] = byte(s5 >> 7)
-	out[15] = byte((s5 >> 15) | (s6 << 6))
-	out[16] = byte(s6 >> 2)
-	out[17] = byte(s6 >> 10)
-	out[18] = byte((s6 >> 18) | (s7 << 3))
-	out[19] = byte(s7 >> 5)
-	out[20] = byte(s7 >> 13)
-	out[21] = byte(s8 >> 0)
-	out[22] = byte(s8 >> 8)
-	out[23] = byte((s8 >> 16) | (s9 << 5))
-	out[24] = byte(s9 >> 3)
-	out[25] = byte(s9 >> 11)
-	out[26] = byte((s9 >> 19) | (s10 << 2))
-	out[27] = byte(s10 >> 6)
-	out[28] = byte((s10 >> 14) | (s11 << 7))
-	out[29] = byte(s11 >> 1)
-	out[30] = byte(s11 >> 9)
-	out[31] = byte(s11 >> 17)
-}
-
-// order is the order of Curve25519 in little-endian form.
-var order = [4]uint64{0x5812631a5cf5d3ed, 0x14def9dea2f79cd6, 0, 0x1000000000000000}
-
-// ScMinimal returns true if the given scalar is less than the order of the
-// curve.
-func ScMinimal(scalar *[32]byte) bool {
-	for i := 3; ; i-- {
-		v := binary.LittleEndian.Uint64(scalar[i*8:])
-		if v > order[i] {
-			return false
-		} else if v < order[i] {
-			break
-		} else if i == 0 {
-			return false
-		}
-	}
-
-	return true
-}

vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go

@@ -1,71 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package ctxhttp provides helper functions for performing context-aware HTTP requests.
-package ctxhttp // import "golang.org/x/net/context/ctxhttp"
-
-import (
-	"context"
-	"io"
-	"net/http"
-	"net/url"
-	"strings"
-)
-
-// Do sends an HTTP request with the provided http.Client and returns
-// an HTTP response.
-//
-// If the client is nil, http.DefaultClient is used.
-//
-// The provided ctx must be non-nil. If it is canceled or times out,
-// ctx.Err() will be returned.
-func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
-	if client == nil {
-		client = http.DefaultClient
-	}
-	resp, err := client.Do(req.WithContext(ctx))
-	// If we got an error, and the context has been canceled,
-	// the context's error is probably more useful.
-	if err != nil {
-		select {
-		case <-ctx.Done():
-			err = ctx.Err()
-		default:
-		}
-	}
-	return resp, err
-}
-
-// Get issues a GET request via the Do function.
-func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
-	req, err := http.NewRequest("GET", url, nil)
-	if err != nil {
-		return nil, err
-	}
-	return Do(ctx, client, req)
-}
-
-// Head issues a HEAD request via the Do function.
-func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
-	req, err := http.NewRequest("HEAD", url, nil)
-	if err != nil {
-		return nil, err
-	}
-	return Do(ctx, client, req)
-}
-
-// Post issues a POST request via the Do function.
-func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error) {
-	req, err := http.NewRequest("POST", url, body)
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Set("Content-Type", bodyType)
-	return Do(ctx, client, req)
-}
-
-// PostForm issues a POST request via the Do function.
-func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) {
-	return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode()))
-}

vendor/golang.org/x/net/internal/iana/gen.go

@@ -1,383 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-//go:generate go run gen.go
-
-// This program generates internet protocol constants and tables by
-// reading IANA protocol registries.
-package main
-
-import (
-	"bytes"
-	"encoding/xml"
-	"fmt"
-	"go/format"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"strconv"
-	"strings"
-)
-
-var registries = []struct {
-	url   string
-	parse func(io.Writer, io.Reader) error
-}{
-	{
-		"https://www.iana.org/assignments/dscp-registry/dscp-registry.xml",
-		parseDSCPRegistry,
-	},
-	{
-		"https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml",
-		parseProtocolNumbers,
-	},
-	{
-		"https://www.iana.org/assignments/address-family-numbers/address-family-numbers.xml",
-		parseAddrFamilyNumbers,
-	},
-}
-
-func main() {
-	var bb bytes.Buffer
-	fmt.Fprintf(&bb, "// go generate gen.go\n")
-	fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
-	fmt.Fprintf(&bb, "// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA).\n")
-	fmt.Fprintf(&bb, `package iana // import "golang.org/x/net/internal/iana"`+"\n\n")
-	for _, r := range registries {
-		resp, err := http.Get(r.url)
-		if err != nil {
-			fmt.Fprintln(os.Stderr, err)
-			os.Exit(1)
-		}
-		defer resp.Body.Close()
-		if resp.StatusCode != http.StatusOK {
-			fmt.Fprintf(os.Stderr, "got HTTP status code %v for %v\n", resp.StatusCode, r.url)
-			os.Exit(1)
-		}
-		if err := r.parse(&bb, resp.Body); err != nil {
-			fmt.Fprintln(os.Stderr, err)
-			os.Exit(1)
-		}
-		fmt.Fprintf(&bb, "\n")
-	}
-	b, err := format.Source(bb.Bytes())
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-	if err := ioutil.WriteFile("const.go", b, 0644); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}
-
-func parseDSCPRegistry(w io.Writer, r io.Reader) error {
-	dec := xml.NewDecoder(r)
-	var dr dscpRegistry
-	if err := dec.Decode(&dr); err != nil {
-		return err
-	}
-	fmt.Fprintf(w, "// %s, Updated: %s\n", dr.Title, dr.Updated)
-	fmt.Fprintf(w, "const (\n")
-	for _, dr := range dr.escapeDSCP() {
-		fmt.Fprintf(w, "DiffServ%s = %#02x", dr.Name, dr.Value)
-		fmt.Fprintf(w, "// %s\n", dr.OrigName)
-	}
-	for _, er := range dr.escapeECN() {
-		fmt.Fprintf(w, "%s = %#02x", er.Descr, er.Value)
-		fmt.Fprintf(w, "// %s\n", er.OrigDescr)
-	}
-	fmt.Fprintf(w, ")\n")
-	return nil
-}
-
-type dscpRegistry struct {
-	XMLName    xml.Name `xml:"registry"`
-	Title      string   `xml:"title"`
-	Updated    string   `xml:"updated"`
-	Note       string   `xml:"note"`
-	Registries []struct {
-		Title      string `xml:"title"`
-		Registries []struct {
-			Title   string `xml:"title"`
-			Records []struct {
-				Name  string `xml:"name"`
-				Space string `xml:"space"`
-			} `xml:"record"`
-		} `xml:"registry"`
-		Records []struct {
-			Value string `xml:"value"`
-			Descr string `xml:"description"`
-		} `xml:"record"`
-	} `xml:"registry"`
-}
-
-type canonDSCPRecord struct {
-	OrigName string
-	Name     string
-	Value    int
-}
-
-func (drr *dscpRegistry) escapeDSCP() []canonDSCPRecord {
-	var drs []canonDSCPRecord
-	for _, preg := range drr.Registries {
-		if !strings.Contains(preg.Title, "Differentiated Services Field Codepoints") {
-			continue
-		}
-		for _, reg := range preg.Registries {
-			if !strings.Contains(reg.Title, "Pool 1 Codepoints") {
-				continue
-			}
-			drs = make([]canonDSCPRecord, len(reg.Records))
-			sr := strings.NewReplacer(
-				"+", "",
-				"-", "",
-				"/", "",
-				".", "",
-				" ", "",
-			)
-			for i, dr := range reg.Records {
-				s := strings.TrimSpace(dr.Name)
-				drs[i].OrigName = s
-				drs[i].Name = sr.Replace(s)
-				n, err := strconv.ParseUint(dr.Space, 2, 8)
-				if err != nil {
-					continue
-				}
-				drs[i].Value = int(n) << 2
-			}
-		}
-	}
-	return drs
-}
-
-type canonECNRecord struct {
-	OrigDescr string
-	Descr     string
-	Value     int
-}
-
-func (drr *dscpRegistry) escapeECN() []canonECNRecord {
-	var ers []canonECNRecord
-	for _, reg := range drr.Registries {
-		if !strings.Contains(reg.Title, "ECN Field") {
-			continue
-		}
-		ers = make([]canonECNRecord, len(reg.Records))
-		sr := strings.NewReplacer(
-			"Capable", "",
-			"Not-ECT", "",
-			"ECT(1)", "",
-			"ECT(0)", "",
-			"CE", "",
-			"(", "",
-			")", "",
-			"+", "",
-			"-", "",
-			"/", "",
-			".", "",
-			" ", "",
-		)
-		for i, er := range reg.Records {
-			s := strings.TrimSpace(er.Descr)
-			ers[i].OrigDescr = s
-			ss := strings.Split(s, " ")
-			if len(ss) > 1 {
-				ers[i].Descr = strings.Join(ss[1:], " ")
-			} else {
-				ers[i].Descr = ss[0]
-			}
-			ers[i].Descr = sr.Replace(er.Descr)
-			n, err := strconv.ParseUint(er.Value, 2, 8)
-			if err != nil {
-				continue
-			}
-			ers[i].Value = int(n)
-		}
-	}
-	return ers
-}
-
-func parseProtocolNumbers(w io.Writer, r io.Reader) error {
-	dec := xml.NewDecoder(r)
-	var pn protocolNumbers
-	if err := dec.Decode(&pn); err != nil {
-		return err
-	}
-	prs := pn.escape()
-	prs = append([]canonProtocolRecord{{
-		Name:  "IP",
-		Descr: "IPv4 encapsulation, pseudo protocol number",
-		Value: 0,
-	}}, prs...)
-	fmt.Fprintf(w, "// %s, Updated: %s\n", pn.Title, pn.Updated)
-	fmt.Fprintf(w, "const (\n")
-	for _, pr := range prs {
-		if pr.Name == "" {
-			continue
-		}
-		fmt.Fprintf(w, "Protocol%s = %d", pr.Name, pr.Value)
-		s := pr.Descr
-		if s == "" {
-			s = pr.OrigName
-		}
-		fmt.Fprintf(w, "// %s\n", s)
-	}
-	fmt.Fprintf(w, ")\n")
-	return nil
-}
-
-type protocolNumbers struct {
-	XMLName  xml.Name `xml:"registry"`
-	Title    string   `xml:"title"`
-	Updated  string   `xml:"updated"`
-	RegTitle string   `xml:"registry>title"`
-	Note     string   `xml:"registry>note"`
-	Records  []struct {
-		Value string `xml:"value"`
-		Name  string `xml:"name"`
-		Descr string `xml:"description"`
-	} `xml:"registry>record"`
-}
-
-type canonProtocolRecord struct {
-	OrigName string
-	Name     string
-	Descr    string
-	Value    int
-}
-
-func (pn *protocolNumbers) escape() []canonProtocolRecord {
-	prs := make([]canonProtocolRecord, len(pn.Records))
-	sr := strings.NewReplacer(
-		"-in-", "in",
-		"-within-", "within",
-		"-over-", "over",
-		"+", "P",
-		"-", "",
-		"/", "",
-		".", "",
-		" ", "",
-	)
-	for i, pr := range pn.Records {
-		if strings.Contains(pr.Name, "Deprecated") ||
-			strings.Contains(pr.Name, "deprecated") {
-			continue
-		}
-		prs[i].OrigName = pr.Name
-		s := strings.TrimSpace(pr.Name)
-		switch pr.Name {
-		case "ISIS over IPv4":
-			prs[i].Name = "ISIS"
-		case "manet":
-			prs[i].Name = "MANET"
-		default:
-			prs[i].Name = sr.Replace(s)
-		}
-		ss := strings.Split(pr.Descr, "\n")
-		for i := range ss {
-			ss[i] = strings.TrimSpace(ss[i])
-		}
-		if len(ss) > 1 {
-			prs[i].Descr = strings.Join(ss, " ")
-		} else {
-			prs[i].Descr = ss[0]
-		}
-		prs[i].Value, _ = strconv.Atoi(pr.Value)
-	}
-	return prs
-}
-
-func parseAddrFamilyNumbers(w io.Writer, r io.Reader) error {
-	dec := xml.NewDecoder(r)
-	var afn addrFamilylNumbers
-	if err := dec.Decode(&afn); err != nil {
-		return err
-	}
-	afrs := afn.escape()
-	fmt.Fprintf(w, "// %s, Updated: %s\n", afn.Title, afn.Updated)
-	fmt.Fprintf(w, "const (\n")
-	for _, afr := range afrs {
-		if afr.Name == "" {
-			continue
-		}
-		fmt.Fprintf(w, "AddrFamily%s = %d", afr.Name, afr.Value)
-		fmt.Fprintf(w, "// %s\n", afr.Descr)
-	}
-	fmt.Fprintf(w, ")\n")
-	return nil
-}
-
-type addrFamilylNumbers struct {
-	XMLName  xml.Name `xml:"registry"`
-	Title    string   `xml:"title"`
-	Updated  string   `xml:"updated"`
-	RegTitle string   `xml:"registry>title"`
-	Note     string   `xml:"registry>note"`
-	Records  []struct {
-		Value string `xml:"value"`
-		Descr string `xml:"description"`
-	} `xml:"registry>record"`
-}
-
-type canonAddrFamilyRecord struct {
-	Name  string
-	Descr string
-	Value int
-}
-
-func (afn *addrFamilylNumbers) escape() []canonAddrFamilyRecord {
-	afrs := make([]canonAddrFamilyRecord, len(afn.Records))
-	sr := strings.NewReplacer(
-		"IP version 4", "IPv4",
-		"IP version 6", "IPv6",
-		"Identifier", "ID",
-		"-", "",
-		"-", "",
-		"/", "",
-		".", "",
-		" ", "",
-	)
-	for i, afr := range afn.Records {
-		if strings.Contains(afr.Descr, "Unassigned") ||
-			strings.Contains(afr.Descr, "Reserved") {
-			continue
-		}
-		afrs[i].Descr = afr.Descr
-		s := strings.TrimSpace(afr.Descr)
-		switch s {
-		case "IP (IP version 4)":
-			afrs[i].Name = "IPv4"
-		case "IP6 (IP version 6)":
-			afrs[i].Name = "IPv6"
-		case "AFI for L2VPN information":
-			afrs[i].Name = "L2VPN"
-		case "E.164 with NSAP format subaddress":
-			afrs[i].Name = "E164withSubaddress"
-		case "MT IP: Multi-Topology IP version 4":
-			afrs[i].Name = "MTIPv4"
-		case "MAC/24":
-			afrs[i].Name = "MACFinal24bits"
-		case "MAC/40":
-			afrs[i].Name = "MACFinal40bits"
-		case "IPv6/64":
-			afrs[i].Name = "IPv6Initial64bits"
-		default:
-			n := strings.Index(s, "(")
-			if n > 0 {
-				s = s[:n]
-			}
-			n = strings.Index(s, ":")
-			if n > 0 {
-				s = s[:n]
-			}
-			afrs[i].Name = sr.Replace(s)
-		}
-		afrs[i].Value, _ = strconv.Atoi(afr.Value)
-	}
-	return afrs
-}

vendor/golang.org/x/net/internal/socket/defs_aix.go

@@ -1,39 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type mmsghdr C.struct_mmsghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofMmsghdr = C.sizeof_struct_mmsghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_darwin.go

@@ -1,36 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_dragonfly.go

@@ -1,36 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_freebsd.go

@@ -1,36 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_linux.go

@@ -1,41 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <linux/in.h>
-#include <linux/in6.h>
-
-#define _GNU_SOURCE
-#include <sys/socket.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type mmsghdr C.struct_mmsghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofMmsghdr = C.sizeof_struct_mmsghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_netbsd.go

@@ -1,39 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type mmsghdr C.struct_mmsghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofMmsghdr = C.sizeof_struct_mmsghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_openbsd.go

@@ -1,36 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/internal/socket/defs_solaris.go

@@ -1,36 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package socket
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-type iovec C.struct_iovec
-
-type msghdr C.struct_msghdr
-
-type cmsghdr C.struct_cmsghdr
-
-type sockaddrInet C.struct_sockaddr_in
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-const (
-	sizeofIovec   = C.sizeof_struct_iovec
-	sizeofMsghdr  = C.sizeof_struct_msghdr
-	sizeofCmsghdr = C.sizeof_struct_cmsghdr
-
-	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-)

vendor/golang.org/x/net/ipv4/defs_aix.go

@@ -1,39 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	// IP_RECVIF is defined on AIX but doesn't work.
-	// IP_RECVINTERFACE must be used instead.
-	sysIP_RECVIF  = C.IP_RECVINTERFACE
-	sysIP_RECVTTL = C.IP_RECVTTL
-
-	sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
-
-	sizeofIPMreq = C.sizeof_struct_ip_mreq
-)
-
-type ipMreq C.struct_ip_mreq

vendor/golang.org/x/net/ipv4/defs_darwin.go

@@ -1,77 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	sysIP_RECVIF      = C.IP_RECVIF
-	sysIP_STRIPHDR    = C.IP_STRIPHDR
-	sysIP_RECVTTL     = C.IP_RECVTTL
-	sysIP_BOUND_IF    = C.IP_BOUND_IF
-	sysIP_PKTINFO     = C.IP_PKTINFO
-	sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
-
-	sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
-	sysIP_MULTICAST_VIF          = C.IP_MULTICAST_VIF
-	sysIP_MULTICAST_IFINDEX      = C.IP_MULTICAST_IFINDEX
-	sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
-	sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
-	sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
-	sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
-	sysMCAST_JOIN_GROUP          = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP         = C.MCAST_LEAVE_GROUP
-	sysMCAST_JOIN_SOURCE_GROUP   = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP  = C.MCAST_LEAVE_SOURCE_GROUP
-	sysMCAST_BLOCK_SOURCE        = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE      = C.MCAST_UNBLOCK_SOURCE
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet    = C.sizeof_struct_sockaddr_in
-	sizeofInetPktinfo     = C.sizeof_struct_in_pktinfo
-
-	sizeofIPMreq         = C.sizeof_struct_ip_mreq
-	sizeofIPMreqn        = C.sizeof_struct_ip_mreqn
-	sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet C.struct_sockaddr_in
-
-type inetPktinfo C.struct_in_pktinfo
-
-type ipMreq C.struct_ip_mreq
-
-type ipMreqn C.struct_ip_mreqn
-
-type ipMreqSource C.struct_ip_mreq_source
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req

vendor/golang.org/x/net/ipv4/defs_dragonfly.go

@@ -1,38 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	sysIP_RECVIF      = C.IP_RECVIF
-	sysIP_RECVTTL     = C.IP_RECVTTL
-
-	sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
-	sysIP_MULTICAST_VIF   = C.IP_MULTICAST_VIF
-	sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
-
-	sizeofIPMreq = C.sizeof_struct_ip_mreq
-)
-
-type ipMreq C.struct_ip_mreq

vendor/golang.org/x/net/ipv4/defs_freebsd.go

@@ -1,75 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_SENDSRCADDR = C.IP_SENDSRCADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	sysIP_RECVIF      = C.IP_RECVIF
-	sysIP_ONESBCAST   = C.IP_ONESBCAST
-	sysIP_BINDANY     = C.IP_BINDANY
-	sysIP_RECVTTL     = C.IP_RECVTTL
-	sysIP_MINTTL      = C.IP_MINTTL
-	sysIP_DONTFRAG    = C.IP_DONTFRAG
-	sysIP_RECVTOS     = C.IP_RECVTOS
-
-	sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
-	sysIP_MULTICAST_VIF          = C.IP_MULTICAST_VIF
-	sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
-	sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
-	sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
-	sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
-	sysMCAST_JOIN_GROUP          = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP         = C.MCAST_LEAVE_GROUP
-	sysMCAST_JOIN_SOURCE_GROUP   = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP  = C.MCAST_LEAVE_SOURCE_GROUP
-	sysMCAST_BLOCK_SOURCE        = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE      = C.MCAST_UNBLOCK_SOURCE
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet    = C.sizeof_struct_sockaddr_in
-
-	sizeofIPMreq         = C.sizeof_struct_ip_mreq
-	sizeofIPMreqn        = C.sizeof_struct_ip_mreqn
-	sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet C.struct_sockaddr_in
-
-type ipMreq C.struct_ip_mreq
-
-type ipMreqn C.struct_ip_mreqn
-
-type ipMreqSource C.struct_ip_mreq_source
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req

vendor/golang.org/x/net/ipv4/defs_linux.go

@@ -1,122 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <time.h>
-
-#include <linux/errqueue.h>
-#include <linux/icmp.h>
-#include <linux/in.h>
-#include <linux/filter.h>
-#include <sys/socket.h>
-*/
-import "C"
-
-const (
-	sysIP_TOS             = C.IP_TOS
-	sysIP_TTL             = C.IP_TTL
-	sysIP_HDRINCL         = C.IP_HDRINCL
-	sysIP_OPTIONS         = C.IP_OPTIONS
-	sysIP_ROUTER_ALERT    = C.IP_ROUTER_ALERT
-	sysIP_RECVOPTS        = C.IP_RECVOPTS
-	sysIP_RETOPTS         = C.IP_RETOPTS
-	sysIP_PKTINFO         = C.IP_PKTINFO
-	sysIP_PKTOPTIONS      = C.IP_PKTOPTIONS
-	sysIP_MTU_DISCOVER    = C.IP_MTU_DISCOVER
-	sysIP_RECVERR         = C.IP_RECVERR
-	sysIP_RECVTTL         = C.IP_RECVTTL
-	sysIP_RECVTOS         = C.IP_RECVTOS
-	sysIP_MTU             = C.IP_MTU
-	sysIP_FREEBIND        = C.IP_FREEBIND
-	sysIP_TRANSPARENT     = C.IP_TRANSPARENT
-	sysIP_RECVRETOPTS     = C.IP_RECVRETOPTS
-	sysIP_ORIGDSTADDR     = C.IP_ORIGDSTADDR
-	sysIP_RECVORIGDSTADDR = C.IP_RECVORIGDSTADDR
-	sysIP_MINTTL          = C.IP_MINTTL
-	sysIP_NODEFRAG        = C.IP_NODEFRAG
-	sysIP_UNICAST_IF      = C.IP_UNICAST_IF
-
-	sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
-	sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
-	sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
-	sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
-	sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
-	sysIP_MSFILTER               = C.IP_MSFILTER
-	sysMCAST_JOIN_GROUP          = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP         = C.MCAST_LEAVE_GROUP
-	sysMCAST_JOIN_SOURCE_GROUP   = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP  = C.MCAST_LEAVE_SOURCE_GROUP
-	sysMCAST_BLOCK_SOURCE        = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE      = C.MCAST_UNBLOCK_SOURCE
-	sysMCAST_MSFILTER            = C.MCAST_MSFILTER
-	sysIP_MULTICAST_ALL          = C.IP_MULTICAST_ALL
-
-	//sysIP_PMTUDISC_DONT      = C.IP_PMTUDISC_DONT
-	//sysIP_PMTUDISC_WANT      = C.IP_PMTUDISC_WANT
-	//sysIP_PMTUDISC_DO        = C.IP_PMTUDISC_DO
-	//sysIP_PMTUDISC_PROBE     = C.IP_PMTUDISC_PROBE
-	//sysIP_PMTUDISC_INTERFACE = C.IP_PMTUDISC_INTERFACE
-	//sysIP_PMTUDISC_OMIT      = C.IP_PMTUDISC_OMIT
-
-	sysICMP_FILTER = C.ICMP_FILTER
-
-	sysSO_EE_ORIGIN_NONE         = C.SO_EE_ORIGIN_NONE
-	sysSO_EE_ORIGIN_LOCAL        = C.SO_EE_ORIGIN_LOCAL
-	sysSO_EE_ORIGIN_ICMP         = C.SO_EE_ORIGIN_ICMP
-	sysSO_EE_ORIGIN_ICMP6        = C.SO_EE_ORIGIN_ICMP6
-	sysSO_EE_ORIGIN_TXSTATUS     = C.SO_EE_ORIGIN_TXSTATUS
-	sysSO_EE_ORIGIN_TIMESTAMPING = C.SO_EE_ORIGIN_TIMESTAMPING
-
-	sysSOL_SOCKET       = C.SOL_SOCKET
-	sysSO_ATTACH_FILTER = C.SO_ATTACH_FILTER
-
-	sizeofKernelSockaddrStorage = C.sizeof_struct___kernel_sockaddr_storage
-	sizeofSockaddrInet          = C.sizeof_struct_sockaddr_in
-	sizeofInetPktinfo           = C.sizeof_struct_in_pktinfo
-	sizeofSockExtendedErr       = C.sizeof_struct_sock_extended_err
-
-	sizeofIPMreq         = C.sizeof_struct_ip_mreq
-	sizeofIPMreqn        = C.sizeof_struct_ip_mreqn
-	sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-
-	sizeofICMPFilter = C.sizeof_struct_icmp_filter
-
-	sizeofSockFprog = C.sizeof_struct_sock_fprog
-)
-
-type kernelSockaddrStorage C.struct___kernel_sockaddr_storage
-
-type sockaddrInet C.struct_sockaddr_in
-
-type inetPktinfo C.struct_in_pktinfo
-
-type sockExtendedErr C.struct_sock_extended_err
-
-type ipMreq C.struct_ip_mreq
-
-type ipMreqn C.struct_ip_mreqn
-
-type ipMreqSource C.struct_ip_mreq_source
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req
-
-type icmpFilter C.struct_icmp_filter
-
-type sockFProg C.struct_sock_fprog
-
-type sockFilter C.struct_sock_filter

vendor/golang.org/x/net/ipv4/defs_netbsd.go

@@ -1,37 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	sysIP_RECVIF      = C.IP_RECVIF
-	sysIP_RECVTTL     = C.IP_RECVTTL
-
-	sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
-
-	sizeofIPMreq = C.sizeof_struct_ip_mreq
-)
-
-type ipMreq C.struct_ip_mreq

vendor/golang.org/x/net/ipv4/defs_openbsd.go

@@ -1,37 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	sysIP_RECVIF      = C.IP_RECVIF
-	sysIP_RECVTTL     = C.IP_RECVTTL
-
-	sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
-
-	sizeofIPMreq = C.sizeof_struct_ip_mreq
-)
-
-type ipMreq C.struct_ip_mreq

vendor/golang.org/x/net/ipv4/defs_solaris.go

@@ -1,84 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-
-package ipv4
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-*/
-import "C"
-
-const (
-	sysIP_OPTIONS     = C.IP_OPTIONS
-	sysIP_HDRINCL     = C.IP_HDRINCL
-	sysIP_TOS         = C.IP_TOS
-	sysIP_TTL         = C.IP_TTL
-	sysIP_RECVOPTS    = C.IP_RECVOPTS
-	sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
-	sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
-	sysIP_RETOPTS     = C.IP_RETOPTS
-	sysIP_RECVIF      = C.IP_RECVIF
-	sysIP_RECVSLLA    = C.IP_RECVSLLA
-	sysIP_RECVTTL     = C.IP_RECVTTL
-
-	sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
-	sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
-	sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
-	sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
-	sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
-	sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
-	sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
-	sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
-	sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
-	sysIP_NEXTHOP                = C.IP_NEXTHOP
-
-	sysIP_PKTINFO     = C.IP_PKTINFO
-	sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
-	sysIP_DONTFRAG    = C.IP_DONTFRAG
-
-	sysIP_BOUND_IF      = C.IP_BOUND_IF
-	sysIP_UNSPEC_SRC    = C.IP_UNSPEC_SRC
-	sysIP_BROADCAST_TTL = C.IP_BROADCAST_TTL
-	sysIP_DHCPINIT_IF   = C.IP_DHCPINIT_IF
-
-	sysIP_REUSEADDR = C.IP_REUSEADDR
-	sysIP_DONTROUTE = C.IP_DONTROUTE
-	sysIP_BROADCAST = C.IP_BROADCAST
-
-	sysMCAST_JOIN_GROUP         = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP        = C.MCAST_LEAVE_GROUP
-	sysMCAST_BLOCK_SOURCE       = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE     = C.MCAST_UNBLOCK_SOURCE
-	sysMCAST_JOIN_SOURCE_GROUP  = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet    = C.sizeof_struct_sockaddr_in
-	sizeofInetPktinfo     = C.sizeof_struct_in_pktinfo
-
-	sizeofIPMreq         = C.sizeof_struct_ip_mreq
-	sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet C.struct_sockaddr_in
-
-type inetPktinfo C.struct_in_pktinfo
-
-type ipMreq C.struct_ip_mreq
-
-type ipMreqSource C.struct_ip_mreq_source
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req

vendor/golang.org/x/net/ipv4/gen.go

@@ -1,199 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-//go:generate go run gen.go
-
-// This program generates system adaptation constants and types,
-// internet protocol constants and tables by reading template files
-// and IANA protocol registries.
-package main
-
-import (
-	"bytes"
-	"encoding/xml"
-	"fmt"
-	"go/format"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"os/exec"
-	"runtime"
-	"strconv"
-	"strings"
-)
-
-func main() {
-	if err := genzsys(); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-	if err := geniana(); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}
-
-func genzsys() error {
-	defs := "defs_" + runtime.GOOS + ".go"
-	f, err := os.Open(defs)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return nil
-		}
-		return err
-	}
-	f.Close()
-	cmd := exec.Command("go", "tool", "cgo", "-godefs", defs)
-	b, err := cmd.Output()
-	if err != nil {
-		return err
-	}
-	b, err = format.Source(b)
-	if err != nil {
-		return err
-	}
-	zsys := "zsys_" + runtime.GOOS + ".go"
-	switch runtime.GOOS {
-	case "freebsd", "linux":
-		zsys = "zsys_" + runtime.GOOS + "_" + runtime.GOARCH + ".go"
-	}
-	if err := ioutil.WriteFile(zsys, b, 0644); err != nil {
-		return err
-	}
-	return nil
-}
-
-var registries = []struct {
-	url   string
-	parse func(io.Writer, io.Reader) error
-}{
-	{
-		"https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xml",
-		parseICMPv4Parameters,
-	},
-}
-
-func geniana() error {
-	var bb bytes.Buffer
-	fmt.Fprintf(&bb, "// go generate gen.go\n")
-	fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
-	fmt.Fprintf(&bb, "package ipv4\n\n")
-	for _, r := range registries {
-		resp, err := http.Get(r.url)
-		if err != nil {
-			return err
-		}
-		defer resp.Body.Close()
-		if resp.StatusCode != http.StatusOK {
-			return fmt.Errorf("got HTTP status code %v for %v\n", resp.StatusCode, r.url)
-		}
-		if err := r.parse(&bb, resp.Body); err != nil {
-			return err
-		}
-		fmt.Fprintf(&bb, "\n")
-	}
-	b, err := format.Source(bb.Bytes())
-	if err != nil {
-		return err
-	}
-	if err := ioutil.WriteFile("iana.go", b, 0644); err != nil {
-		return err
-	}
-	return nil
-}
-
-func parseICMPv4Parameters(w io.Writer, r io.Reader) error {
-	dec := xml.NewDecoder(r)
-	var icp icmpv4Parameters
-	if err := dec.Decode(&icp); err != nil {
-		return err
-	}
-	prs := icp.escape()
-	fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
-	fmt.Fprintf(w, "const (\n")
-	for _, pr := range prs {
-		if pr.Descr == "" {
-			continue
-		}
-		fmt.Fprintf(w, "ICMPType%s ICMPType = %d", pr.Descr, pr.Value)
-		fmt.Fprintf(w, "// %s\n", pr.OrigDescr)
-	}
-	fmt.Fprintf(w, ")\n\n")
-	fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
-	fmt.Fprintf(w, "var icmpTypes = map[ICMPType]string{\n")
-	for _, pr := range prs {
-		if pr.Descr == "" {
-			continue
-		}
-		fmt.Fprintf(w, "%d: %q,\n", pr.Value, strings.ToLower(pr.OrigDescr))
-	}
-	fmt.Fprintf(w, "}\n")
-	return nil
-}
-
-type icmpv4Parameters struct {
-	XMLName    xml.Name `xml:"registry"`
-	Title      string   `xml:"title"`
-	Updated    string   `xml:"updated"`
-	Registries []struct {
-		Title   string `xml:"title"`
-		Records []struct {
-			Value string `xml:"value"`
-			Descr string `xml:"description"`
-		} `xml:"record"`
-	} `xml:"registry"`
-}
-
-type canonICMPv4ParamRecord struct {
-	OrigDescr string
-	Descr     string
-	Value     int
-}
-
-func (icp *icmpv4Parameters) escape() []canonICMPv4ParamRecord {
-	id := -1
-	for i, r := range icp.Registries {
-		if strings.Contains(r.Title, "Type") || strings.Contains(r.Title, "type") {
-			id = i
-			break
-		}
-	}
-	if id < 0 {
-		return nil
-	}
-	prs := make([]canonICMPv4ParamRecord, len(icp.Registries[id].Records))
-	sr := strings.NewReplacer(
-		"Messages", "",
-		"Message", "",
-		"ICMP", "",
-		"+", "P",
-		"-", "",
-		"/", "",
-		".", "",
-		" ", "",
-	)
-	for i, pr := range icp.Registries[id].Records {
-		if strings.Contains(pr.Descr, "Reserved") ||
-			strings.Contains(pr.Descr, "Unassigned") ||
-			strings.Contains(pr.Descr, "Deprecated") ||
-			strings.Contains(pr.Descr, "Experiment") ||
-			strings.Contains(pr.Descr, "experiment") {
-			continue
-		}
-		ss := strings.Split(pr.Descr, "\n")
-		if len(ss) > 1 {
-			prs[i].Descr = strings.Join(ss, " ")
-		} else {
-			prs[i].Descr = ss[0]
-		}
-		s := strings.TrimSpace(prs[i].Descr)
-		prs[i].OrigDescr = s
-		prs[i].Descr = sr.Replace(s)
-		prs[i].Value, _ = strconv.Atoi(pr.Value)
-	}
-	return prs
-}

vendor/golang.org/x/net/ipv6/defs_aix.go

@@ -1,82 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <sys/param.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-	sysICMP6_FILTER        = C.ICMP6_FILTER
-
-	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
-	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
-
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-
-	sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
-	sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
-	sysIPV6_PATHMTU     = C.IPV6_PATHMTU
-
-	sysIPV6_PKTINFO  = C.IPV6_PKTINFO
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-	sysIPV6_RTHDR    = C.IPV6_RTHDR
-
-	sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
-
-	sysIPV6_TCLASS   = C.IPV6_TCLASS
-	sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet6   = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo    = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo     = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq       = C.sizeof_struct_ipv6_mreq
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type icmpv6Filter C.struct_icmp6_filter
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req

vendor/golang.org/x/net/ipv6/defs_darwin.go

@@ -1,112 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#define __APPLE_USE_RFC_3542
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-
-	sysIPV6_PORTRANGE    = C.IPV6_PORTRANGE
-	sysICMP6_FILTER      = C.ICMP6_FILTER
-	sysIPV6_2292PKTINFO  = C.IPV6_2292PKTINFO
-	sysIPV6_2292HOPLIMIT = C.IPV6_2292HOPLIMIT
-	sysIPV6_2292NEXTHOP  = C.IPV6_2292NEXTHOP
-	sysIPV6_2292HOPOPTS  = C.IPV6_2292HOPOPTS
-	sysIPV6_2292DSTOPTS  = C.IPV6_2292DSTOPTS
-	sysIPV6_2292RTHDR    = C.IPV6_2292RTHDR
-
-	sysIPV6_2292PKTOPTIONS = C.IPV6_2292PKTOPTIONS
-
-	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
-	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
-
-	sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
-
-	sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
-	sysIPV6_TCLASS     = C.IPV6_TCLASS
-
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-
-	sysIPV6_RECVPKTINFO = C.IPV6_RECVPKTINFO
-
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-
-	sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
-	sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
-
-	sysIPV6_PATHMTU = C.IPV6_PATHMTU
-
-	sysIPV6_PKTINFO  = C.IPV6_PKTINFO
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-	sysIPV6_RTHDR    = C.IPV6_RTHDR
-
-	sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
-
-	sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
-
-	sysIPV6_PREFER_TEMPADDR = C.IPV6_PREFER_TEMPADDR
-
-	sysIPV6_MSFILTER            = C.IPV6_MSFILTER
-	sysMCAST_JOIN_GROUP         = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP        = C.MCAST_LEAVE_GROUP
-	sysMCAST_JOIN_SOURCE_GROUP  = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
-	sysMCAST_BLOCK_SOURCE       = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE     = C.MCAST_UNBLOCK_SOURCE
-
-	sysIPV6_BOUND_IF = C.IPV6_BOUND_IF
-
-	sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
-	sysIPV6_PORTRANGE_HIGH    = C.IPV6_PORTRANGE_HIGH
-	sysIPV6_PORTRANGE_LOW     = C.IPV6_PORTRANGE_LOW
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet6   = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo    = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo     = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq       = C.sizeof_struct_ipv6_mreq
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type icmpv6Filter C.struct_icmp6_filter
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req

vendor/golang.org/x/net/ipv6/defs_dragonfly.go

@@ -1,84 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <sys/param.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-	sysIPV6_PORTRANGE      = C.IPV6_PORTRANGE
-	sysICMP6_FILTER        = C.ICMP6_FILTER
-
-	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
-	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
-
-	sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
-
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-
-	sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
-	sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
-
-	sysIPV6_PATHMTU = C.IPV6_PATHMTU
-
-	sysIPV6_PKTINFO  = C.IPV6_PKTINFO
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-	sysIPV6_RTHDR    = C.IPV6_RTHDR
-
-	sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
-
-	sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
-
-	sysIPV6_TCLASS   = C.IPV6_TCLASS
-	sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
-
-	sysIPV6_PREFER_TEMPADDR = C.IPV6_PREFER_TEMPADDR
-
-	sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
-	sysIPV6_PORTRANGE_HIGH    = C.IPV6_PORTRANGE_HIGH
-	sysIPV6_PORTRANGE_LOW     = C.IPV6_PORTRANGE_LOW
-
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo  = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo   = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type icmpv6Filter C.struct_icmp6_filter

vendor/golang.org/x/net/ipv6/defs_freebsd.go

@@ -1,105 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <sys/param.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-	sysIPV6_PORTRANGE      = C.IPV6_PORTRANGE
-	sysICMP6_FILTER        = C.ICMP6_FILTER
-
-	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
-	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
-
-	sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
-
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-
-	sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
-	sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
-
-	sysIPV6_PATHMTU = C.IPV6_PATHMTU
-
-	sysIPV6_PKTINFO  = C.IPV6_PKTINFO
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-	sysIPV6_RTHDR    = C.IPV6_RTHDR
-
-	sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
-
-	sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
-
-	sysIPV6_TCLASS   = C.IPV6_TCLASS
-	sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
-
-	sysIPV6_PREFER_TEMPADDR = C.IPV6_PREFER_TEMPADDR
-
-	sysIPV6_BINDANY = C.IPV6_BINDANY
-
-	sysIPV6_MSFILTER = C.IPV6_MSFILTER
-
-	sysMCAST_JOIN_GROUP         = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP        = C.MCAST_LEAVE_GROUP
-	sysMCAST_JOIN_SOURCE_GROUP  = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
-	sysMCAST_BLOCK_SOURCE       = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE     = C.MCAST_UNBLOCK_SOURCE
-
-	sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
-	sysIPV6_PORTRANGE_HIGH    = C.IPV6_PORTRANGE_HIGH
-	sysIPV6_PORTRANGE_LOW     = C.IPV6_PORTRANGE_LOW
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet6   = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo    = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo     = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq       = C.sizeof_struct_ipv6_mreq
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req
-
-type icmpv6Filter C.struct_icmp6_filter

vendor/golang.org/x/net/ipv6/defs_linux.go

@@ -1,147 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <linux/in.h>
-#include <linux/in6.h>
-#include <linux/ipv6.h>
-#include <linux/icmpv6.h>
-#include <linux/filter.h>
-#include <sys/socket.h>
-*/
-import "C"
-
-const (
-	sysIPV6_ADDRFORM       = C.IPV6_ADDRFORM
-	sysIPV6_2292PKTINFO    = C.IPV6_2292PKTINFO
-	sysIPV6_2292HOPOPTS    = C.IPV6_2292HOPOPTS
-	sysIPV6_2292DSTOPTS    = C.IPV6_2292DSTOPTS
-	sysIPV6_2292RTHDR      = C.IPV6_2292RTHDR
-	sysIPV6_2292PKTOPTIONS = C.IPV6_2292PKTOPTIONS
-	sysIPV6_CHECKSUM       = C.IPV6_CHECKSUM
-	sysIPV6_2292HOPLIMIT   = C.IPV6_2292HOPLIMIT
-	sysIPV6_NEXTHOP        = C.IPV6_NEXTHOP
-	sysIPV6_FLOWINFO       = C.IPV6_FLOWINFO
-
-	sysIPV6_UNICAST_HOPS        = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF        = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS      = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP      = C.IPV6_MULTICAST_LOOP
-	sysIPV6_ADD_MEMBERSHIP      = C.IPV6_ADD_MEMBERSHIP
-	sysIPV6_DROP_MEMBERSHIP     = C.IPV6_DROP_MEMBERSHIP
-	sysMCAST_JOIN_GROUP         = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP        = C.MCAST_LEAVE_GROUP
-	sysMCAST_JOIN_SOURCE_GROUP  = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
-	sysMCAST_BLOCK_SOURCE       = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE     = C.MCAST_UNBLOCK_SOURCE
-	sysMCAST_MSFILTER           = C.MCAST_MSFILTER
-	sysIPV6_ROUTER_ALERT        = C.IPV6_ROUTER_ALERT
-	sysIPV6_MTU_DISCOVER        = C.IPV6_MTU_DISCOVER
-	sysIPV6_MTU                 = C.IPV6_MTU
-	sysIPV6_RECVERR             = C.IPV6_RECVERR
-	sysIPV6_V6ONLY              = C.IPV6_V6ONLY
-	sysIPV6_JOIN_ANYCAST        = C.IPV6_JOIN_ANYCAST
-	sysIPV6_LEAVE_ANYCAST       = C.IPV6_LEAVE_ANYCAST
-
-	//sysIPV6_PMTUDISC_DONT      = C.IPV6_PMTUDISC_DONT
-	//sysIPV6_PMTUDISC_WANT      = C.IPV6_PMTUDISC_WANT
-	//sysIPV6_PMTUDISC_DO        = C.IPV6_PMTUDISC_DO
-	//sysIPV6_PMTUDISC_PROBE     = C.IPV6_PMTUDISC_PROBE
-	//sysIPV6_PMTUDISC_INTERFACE = C.IPV6_PMTUDISC_INTERFACE
-	//sysIPV6_PMTUDISC_OMIT      = C.IPV6_PMTUDISC_OMIT
-
-	sysIPV6_FLOWLABEL_MGR = C.IPV6_FLOWLABEL_MGR
-	sysIPV6_FLOWINFO_SEND = C.IPV6_FLOWINFO_SEND
-
-	sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
-	sysIPV6_XFRM_POLICY  = C.IPV6_XFRM_POLICY
-
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_PKTINFO      = C.IPV6_PKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_HOPLIMIT     = C.IPV6_HOPLIMIT
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_HOPOPTS      = C.IPV6_HOPOPTS
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RTHDR        = C.IPV6_RTHDR
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-	sysIPV6_DSTOPTS      = C.IPV6_DSTOPTS
-	sysIPV6_RECVPATHMTU  = C.IPV6_RECVPATHMTU
-	sysIPV6_PATHMTU      = C.IPV6_PATHMTU
-	sysIPV6_DONTFRAG     = C.IPV6_DONTFRAG
-
-	sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
-	sysIPV6_TCLASS     = C.IPV6_TCLASS
-
-	sysIPV6_ADDR_PREFERENCES = C.IPV6_ADDR_PREFERENCES
-
-	sysIPV6_PREFER_SRC_TMP            = C.IPV6_PREFER_SRC_TMP
-	sysIPV6_PREFER_SRC_PUBLIC         = C.IPV6_PREFER_SRC_PUBLIC
-	sysIPV6_PREFER_SRC_PUBTMP_DEFAULT = C.IPV6_PREFER_SRC_PUBTMP_DEFAULT
-	sysIPV6_PREFER_SRC_COA            = C.IPV6_PREFER_SRC_COA
-	sysIPV6_PREFER_SRC_HOME           = C.IPV6_PREFER_SRC_HOME
-	sysIPV6_PREFER_SRC_CGA            = C.IPV6_PREFER_SRC_CGA
-	sysIPV6_PREFER_SRC_NONCGA         = C.IPV6_PREFER_SRC_NONCGA
-
-	sysIPV6_MINHOPCOUNT = C.IPV6_MINHOPCOUNT
-
-	sysIPV6_ORIGDSTADDR     = C.IPV6_ORIGDSTADDR
-	sysIPV6_RECVORIGDSTADDR = C.IPV6_RECVORIGDSTADDR
-	sysIPV6_TRANSPARENT     = C.IPV6_TRANSPARENT
-	sysIPV6_UNICAST_IF      = C.IPV6_UNICAST_IF
-
-	sysICMPV6_FILTER = C.ICMPV6_FILTER
-
-	sysICMPV6_FILTER_BLOCK       = C.ICMPV6_FILTER_BLOCK
-	sysICMPV6_FILTER_PASS        = C.ICMPV6_FILTER_PASS
-	sysICMPV6_FILTER_BLOCKOTHERS = C.ICMPV6_FILTER_BLOCKOTHERS
-	sysICMPV6_FILTER_PASSONLY    = C.ICMPV6_FILTER_PASSONLY
-
-	sysSOL_SOCKET       = C.SOL_SOCKET
-	sysSO_ATTACH_FILTER = C.SO_ATTACH_FILTER
-
-	sizeofKernelSockaddrStorage = C.sizeof_struct___kernel_sockaddr_storage
-	sizeofSockaddrInet6         = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo          = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo           = C.sizeof_struct_ip6_mtuinfo
-	sizeofIPv6FlowlabelReq      = C.sizeof_struct_in6_flowlabel_req
-
-	sizeofIPv6Mreq       = C.sizeof_struct_ipv6_mreq
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-
-	sizeofSockFprog = C.sizeof_struct_sock_fprog
-)
-
-type kernelSockaddrStorage C.struct___kernel_sockaddr_storage
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6FlowlabelReq C.struct_in6_flowlabel_req
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req
-
-type icmpv6Filter C.struct_icmp6_filter
-
-type sockFProg C.struct_sock_fprog
-
-type sockFilter C.struct_sock_filter

vendor/golang.org/x/net/ipv6/defs_netbsd.go

@@ -1,80 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <sys/param.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-	sysIPV6_PORTRANGE      = C.IPV6_PORTRANGE
-	sysICMP6_FILTER        = C.ICMP6_FILTER
-
-	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
-	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
-
-	sysIPV6_IPSEC_POLICY = C.IPV6_IPSEC_POLICY
-
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-
-	sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
-	sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
-	sysIPV6_PATHMTU     = C.IPV6_PATHMTU
-
-	sysIPV6_PKTINFO  = C.IPV6_PKTINFO
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-	sysIPV6_RTHDR    = C.IPV6_RTHDR
-
-	sysIPV6_RECVTCLASS = C.IPV6_RECVTCLASS
-
-	sysIPV6_TCLASS   = C.IPV6_TCLASS
-	sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
-
-	sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
-	sysIPV6_PORTRANGE_HIGH    = C.IPV6_PORTRANGE_HIGH
-	sysIPV6_PORTRANGE_LOW     = C.IPV6_PORTRANGE_LOW
-
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo  = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo   = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type icmpv6Filter C.struct_icmp6_filter

vendor/golang.org/x/net/ipv6/defs_openbsd.go

@@ -1,89 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <sys/param.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-	sysIPV6_PORTRANGE      = C.IPV6_PORTRANGE
-	sysICMP6_FILTER        = C.ICMP6_FILTER
-
-	sysIPV6_CHECKSUM = C.IPV6_CHECKSUM
-	sysIPV6_V6ONLY   = C.IPV6_V6ONLY
-
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVRTHDR    = C.IPV6_RECVRTHDR
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-	sysIPV6_RECVDSTOPTS  = C.IPV6_RECVDSTOPTS
-
-	sysIPV6_USE_MIN_MTU = C.IPV6_USE_MIN_MTU
-	sysIPV6_RECVPATHMTU = C.IPV6_RECVPATHMTU
-
-	sysIPV6_PATHMTU = C.IPV6_PATHMTU
-
-	sysIPV6_PKTINFO  = C.IPV6_PKTINFO
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-	sysIPV6_RTHDR    = C.IPV6_RTHDR
-
-	sysIPV6_AUTH_LEVEL        = C.IPV6_AUTH_LEVEL
-	sysIPV6_ESP_TRANS_LEVEL   = C.IPV6_ESP_TRANS_LEVEL
-	sysIPV6_ESP_NETWORK_LEVEL = C.IPV6_ESP_NETWORK_LEVEL
-	sysIPSEC6_OUTSA           = C.IPSEC6_OUTSA
-	sysIPV6_RECVTCLASS        = C.IPV6_RECVTCLASS
-
-	sysIPV6_AUTOFLOWLABEL = C.IPV6_AUTOFLOWLABEL
-	sysIPV6_IPCOMP_LEVEL  = C.IPV6_IPCOMP_LEVEL
-
-	sysIPV6_TCLASS   = C.IPV6_TCLASS
-	sysIPV6_DONTFRAG = C.IPV6_DONTFRAG
-	sysIPV6_PIPEX    = C.IPV6_PIPEX
-
-	sysIPV6_RTABLE = C.IPV6_RTABLE
-
-	sysIPV6_PORTRANGE_DEFAULT = C.IPV6_PORTRANGE_DEFAULT
-	sysIPV6_PORTRANGE_HIGH    = C.IPV6_PORTRANGE_HIGH
-	sysIPV6_PORTRANGE_LOW     = C.IPV6_PORTRANGE_LOW
-
-	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo  = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo   = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq = C.sizeof_struct_ipv6_mreq
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type icmpv6Filter C.struct_icmp6_filter

vendor/golang.org/x/net/ipv6/defs_solaris.go

@@ -1,114 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package ipv6
-
-/*
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-*/
-import "C"
-
-const (
-	sysIPV6_UNICAST_HOPS   = C.IPV6_UNICAST_HOPS
-	sysIPV6_MULTICAST_IF   = C.IPV6_MULTICAST_IF
-	sysIPV6_MULTICAST_HOPS = C.IPV6_MULTICAST_HOPS
-	sysIPV6_MULTICAST_LOOP = C.IPV6_MULTICAST_LOOP
-	sysIPV6_JOIN_GROUP     = C.IPV6_JOIN_GROUP
-	sysIPV6_LEAVE_GROUP    = C.IPV6_LEAVE_GROUP
-
-	sysIPV6_PKTINFO = C.IPV6_PKTINFO
-
-	sysIPV6_HOPLIMIT = C.IPV6_HOPLIMIT
-	sysIPV6_NEXTHOP  = C.IPV6_NEXTHOP
-	sysIPV6_HOPOPTS  = C.IPV6_HOPOPTS
-	sysIPV6_DSTOPTS  = C.IPV6_DSTOPTS
-
-	sysIPV6_RTHDR        = C.IPV6_RTHDR
-	sysIPV6_RTHDRDSTOPTS = C.IPV6_RTHDRDSTOPTS
-
-	sysIPV6_RECVPKTINFO  = C.IPV6_RECVPKTINFO
-	sysIPV6_RECVHOPLIMIT = C.IPV6_RECVHOPLIMIT
-	sysIPV6_RECVHOPOPTS  = C.IPV6_RECVHOPOPTS
-
-	sysIPV6_RECVRTHDR = C.IPV6_RECVRTHDR
-
-	sysIPV6_RECVRTHDRDSTOPTS = C.IPV6_RECVRTHDRDSTOPTS
-
-	sysIPV6_CHECKSUM        = C.IPV6_CHECKSUM
-	sysIPV6_RECVTCLASS      = C.IPV6_RECVTCLASS
-	sysIPV6_USE_MIN_MTU     = C.IPV6_USE_MIN_MTU
-	sysIPV6_DONTFRAG        = C.IPV6_DONTFRAG
-	sysIPV6_SEC_OPT         = C.IPV6_SEC_OPT
-	sysIPV6_SRC_PREFERENCES = C.IPV6_SRC_PREFERENCES
-	sysIPV6_RECVPATHMTU     = C.IPV6_RECVPATHMTU
-	sysIPV6_PATHMTU         = C.IPV6_PATHMTU
-	sysIPV6_TCLASS          = C.IPV6_TCLASS
-	sysIPV6_V6ONLY          = C.IPV6_V6ONLY
-
-	sysIPV6_RECVDSTOPTS = C.IPV6_RECVDSTOPTS
-
-	sysMCAST_JOIN_GROUP         = C.MCAST_JOIN_GROUP
-	sysMCAST_LEAVE_GROUP        = C.MCAST_LEAVE_GROUP
-	sysMCAST_BLOCK_SOURCE       = C.MCAST_BLOCK_SOURCE
-	sysMCAST_UNBLOCK_SOURCE     = C.MCAST_UNBLOCK_SOURCE
-	sysMCAST_JOIN_SOURCE_GROUP  = C.MCAST_JOIN_SOURCE_GROUP
-	sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
-
-	sysIPV6_PREFER_SRC_HOME   = C.IPV6_PREFER_SRC_HOME
-	sysIPV6_PREFER_SRC_COA    = C.IPV6_PREFER_SRC_COA
-	sysIPV6_PREFER_SRC_PUBLIC = C.IPV6_PREFER_SRC_PUBLIC
-	sysIPV6_PREFER_SRC_TMP    = C.IPV6_PREFER_SRC_TMP
-	sysIPV6_PREFER_SRC_NONCGA = C.IPV6_PREFER_SRC_NONCGA
-	sysIPV6_PREFER_SRC_CGA    = C.IPV6_PREFER_SRC_CGA
-
-	sysIPV6_PREFER_SRC_MIPMASK    = C.IPV6_PREFER_SRC_MIPMASK
-	sysIPV6_PREFER_SRC_MIPDEFAULT = C.IPV6_PREFER_SRC_MIPDEFAULT
-	sysIPV6_PREFER_SRC_TMPMASK    = C.IPV6_PREFER_SRC_TMPMASK
-	sysIPV6_PREFER_SRC_TMPDEFAULT = C.IPV6_PREFER_SRC_TMPDEFAULT
-	sysIPV6_PREFER_SRC_CGAMASK    = C.IPV6_PREFER_SRC_CGAMASK
-	sysIPV6_PREFER_SRC_CGADEFAULT = C.IPV6_PREFER_SRC_CGADEFAULT
-
-	sysIPV6_PREFER_SRC_MASK = C.IPV6_PREFER_SRC_MASK
-
-	sysIPV6_PREFER_SRC_DEFAULT = C.IPV6_PREFER_SRC_DEFAULT
-
-	sysIPV6_BOUND_IF   = C.IPV6_BOUND_IF
-	sysIPV6_UNSPEC_SRC = C.IPV6_UNSPEC_SRC
-
-	sysICMP6_FILTER = C.ICMP6_FILTER
-
-	sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
-	sizeofSockaddrInet6   = C.sizeof_struct_sockaddr_in6
-	sizeofInet6Pktinfo    = C.sizeof_struct_in6_pktinfo
-	sizeofIPv6Mtuinfo     = C.sizeof_struct_ip6_mtuinfo
-
-	sizeofIPv6Mreq       = C.sizeof_struct_ipv6_mreq
-	sizeofGroupReq       = C.sizeof_struct_group_req
-	sizeofGroupSourceReq = C.sizeof_struct_group_source_req
-
-	sizeofICMPv6Filter = C.sizeof_struct_icmp6_filter
-)
-
-type sockaddrStorage C.struct_sockaddr_storage
-
-type sockaddrInet6 C.struct_sockaddr_in6
-
-type inet6Pktinfo C.struct_in6_pktinfo
-
-type ipv6Mtuinfo C.struct_ip6_mtuinfo
-
-type ipv6Mreq C.struct_ipv6_mreq
-
-type groupReq C.struct_group_req
-
-type groupSourceReq C.struct_group_source_req
-
-type icmpv6Filter C.struct_icmp6_filter

vendor/golang.org/x/net/ipv6/gen.go

@@ -1,199 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-//go:generate go run gen.go
-
-// This program generates system adaptation constants and types,
-// internet protocol constants and tables by reading template files
-// and IANA protocol registries.
-package main
-
-import (
-	"bytes"
-	"encoding/xml"
-	"fmt"
-	"go/format"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"os/exec"
-	"runtime"
-	"strconv"
-	"strings"
-)
-
-func main() {
-	if err := genzsys(); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-	if err := geniana(); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}
-
-func genzsys() error {
-	defs := "defs_" + runtime.GOOS + ".go"
-	f, err := os.Open(defs)
-	if err != nil {
-		if os.IsNotExist(err) {
-			return nil
-		}
-		return err
-	}
-	f.Close()
-	cmd := exec.Command("go", "tool", "cgo", "-godefs", defs)
-	b, err := cmd.Output()
-	if err != nil {
-		return err
-	}
-	b, err = format.Source(b)
-	if err != nil {
-		return err
-	}
-	zsys := "zsys_" + runtime.GOOS + ".go"
-	switch runtime.GOOS {
-	case "freebsd", "linux":
-		zsys = "zsys_" + runtime.GOOS + "_" + runtime.GOARCH + ".go"
-	}
-	if err := ioutil.WriteFile(zsys, b, 0644); err != nil {
-		return err
-	}
-	return nil
-}
-
-var registries = []struct {
-	url   string
-	parse func(io.Writer, io.Reader) error
-}{
-	{
-		"https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xml",
-		parseICMPv6Parameters,
-	},
-}
-
-func geniana() error {
-	var bb bytes.Buffer
-	fmt.Fprintf(&bb, "// go generate gen.go\n")
-	fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
-	fmt.Fprintf(&bb, "package ipv6\n\n")
-	for _, r := range registries {
-		resp, err := http.Get(r.url)
-		if err != nil {
-			return err
-		}
-		defer resp.Body.Close()
-		if resp.StatusCode != http.StatusOK {
-			return fmt.Errorf("got HTTP status code %v for %v\n", resp.StatusCode, r.url)
-		}
-		if err := r.parse(&bb, resp.Body); err != nil {
-			return err
-		}
-		fmt.Fprintf(&bb, "\n")
-	}
-	b, err := format.Source(bb.Bytes())
-	if err != nil {
-		return err
-	}
-	if err := ioutil.WriteFile("iana.go", b, 0644); err != nil {
-		return err
-	}
-	return nil
-}
-
-func parseICMPv6Parameters(w io.Writer, r io.Reader) error {
-	dec := xml.NewDecoder(r)
-	var icp icmpv6Parameters
-	if err := dec.Decode(&icp); err != nil {
-		return err
-	}
-	prs := icp.escape()
-	fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
-	fmt.Fprintf(w, "const (\n")
-	for _, pr := range prs {
-		if pr.Name == "" {
-			continue
-		}
-		fmt.Fprintf(w, "ICMPType%s ICMPType = %d", pr.Name, pr.Value)
-		fmt.Fprintf(w, "// %s\n", pr.OrigName)
-	}
-	fmt.Fprintf(w, ")\n\n")
-	fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
-	fmt.Fprintf(w, "var icmpTypes = map[ICMPType]string{\n")
-	for _, pr := range prs {
-		if pr.Name == "" {
-			continue
-		}
-		fmt.Fprintf(w, "%d: %q,\n", pr.Value, strings.ToLower(pr.OrigName))
-	}
-	fmt.Fprintf(w, "}\n")
-	return nil
-}
-
-type icmpv6Parameters struct {
-	XMLName    xml.Name `xml:"registry"`
-	Title      string   `xml:"title"`
-	Updated    string   `xml:"updated"`
-	Registries []struct {
-		Title   string `xml:"title"`
-		Records []struct {
-			Value string `xml:"value"`
-			Name  string `xml:"name"`
-		} `xml:"record"`
-	} `xml:"registry"`
-}
-
-type canonICMPv6ParamRecord struct {
-	OrigName string
-	Name     string
-	Value    int
-}
-
-func (icp *icmpv6Parameters) escape() []canonICMPv6ParamRecord {
-	id := -1
-	for i, r := range icp.Registries {
-		if strings.Contains(r.Title, "Type") || strings.Contains(r.Title, "type") {
-			id = i
-			break
-		}
-	}
-	if id < 0 {
-		return nil
-	}
-	prs := make([]canonICMPv6ParamRecord, len(icp.Registries[id].Records))
-	sr := strings.NewReplacer(
-		"Messages", "",
-		"Message", "",
-		"ICMP", "",
-		"+", "P",
-		"-", "",
-		"/", "",
-		".", "",
-		" ", "",
-	)
-	for i, pr := range icp.Registries[id].Records {
-		if strings.Contains(pr.Name, "Reserved") ||
-			strings.Contains(pr.Name, "Unassigned") ||
-			strings.Contains(pr.Name, "Deprecated") ||
-			strings.Contains(pr.Name, "Experiment") ||
-			strings.Contains(pr.Name, "experiment") {
-			continue
-		}
-		ss := strings.Split(pr.Name, "\n")
-		if len(ss) > 1 {
-			prs[i].Name = strings.Join(ss, " ")
-		} else {
-			prs[i].Name = ss[0]
-		}
-		s := strings.TrimSpace(prs[i].Name)
-		prs[i].OrigName = s
-		prs[i].Name = sr.Replace(s)
-		prs[i].Value, _ = strconv.Atoi(pr.Value)
-	}
-	return prs
-}

vendor/golang.org/x/oauth2/.travis.yml

@@ -1,13 +0,0 @@
-language: go
-
-go:
-  - tip
-
-install:
-  - export GOPATH="$HOME/gopath"
-  - mkdir -p "$GOPATH/src/golang.org/x"
-  - mv "$TRAVIS_BUILD_DIR" "$GOPATH/src/golang.org/x/oauth2"
-  - go get -v -t -d golang.org/x/oauth2/...
-
-script:
-  - go test -v golang.org/x/oauth2/...

vendor/golang.org/x/oauth2/AUTHORS

@@ -1,3 +0,0 @@
-# This source code refers to The Go Authors for copyright purposes.
-# The master list of authors is in the main Go distribution,
-# visible at http://tip.golang.org/AUTHORS.

vendor/golang.org/x/oauth2/CONTRIBUTING.md

@@ -1,26 +0,0 @@
-# Contributing to Go
-
-Go is an open source project.
-
-It is the work of hundreds of contributors. We appreciate your help!
-
-## Filing issues
-
-When [filing an issue](https://github.com/golang/oauth2/issues), make sure to answer these five questions:
-
-1.  What version of Go are you using (`go version`)?
-2.  What operating system and processor architecture are you using?
-3.  What did you do?
-4.  What did you expect to see?
-5.  What did you see instead?
-
-General questions should go to the [golang-nuts mailing list](https://groups.google.com/group/golang-nuts) instead of the issue tracker.
-The gophers there will answer or ask you to file an issue if you've tripped over a bug.
-
-## Contributing code
-
-Please read the [Contribution Guidelines](https://golang.org/doc/contribute.html)
-before sending patches.
-
-Unless otherwise noted, the Go source files are distributed under
-the BSD-style license found in the LICENSE file.

vendor/golang.org/x/oauth2/CONTRIBUTORS

@@ -1,3 +0,0 @@
-# This source code was written by the Go contributors.
-# The master list of contributors is in the main Go distribution,
-# visible at http://tip.golang.org/CONTRIBUTORS.

vendor/golang.org/x/oauth2/LICENSE

@@ -1,27 +0,0 @@
-Copyright (c) 2009 The Go Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/golang.org/x/oauth2/README.md

@@ -1,36 +0,0 @@
-# OAuth2 for Go
-
-[![Build Status](https://travis-ci.org/golang/oauth2.svg?branch=master)](https://travis-ci.org/golang/oauth2)
-[![GoDoc](https://godoc.org/golang.org/x/oauth2?status.svg)](https://godoc.org/golang.org/x/oauth2)
-
-oauth2 package contains a client implementation for OAuth 2.0 spec.
-
-## Installation
-
-~~~~
-go get golang.org/x/oauth2
-~~~~
-
-Or you can manually git clone the repository to
-`$(go env GOPATH)/src/golang.org/x/oauth2`.
-
-See godoc for further documentation and examples.
-
-* [godoc.org/golang.org/x/oauth2](https://godoc.org/golang.org/x/oauth2)
-* [godoc.org/golang.org/x/oauth2/google](https://godoc.org/golang.org/x/oauth2/google)
-
-## Policy for new packages
-
-We no longer accept new provider-specific packages in this repo if all
-they do is add a single endpoint variable. If you just want to add a
-single endpoint, add it to the
-[godoc.org/golang.org/x/oauth2/endpoints](https://godoc.org/golang.org/x/oauth2/endpoints)
-package.
-
-## Report Issues / Send Patches
-
-This repository uses Gerrit for code changes. To learn how to submit changes to
-this repository, see https://golang.org/doc/contribute.html.
-
-The main issue tracker for the oauth2 repository is located at
-https://github.com/golang/oauth2/issues.

vendor/golang.org/x/oauth2/clientcredentials/clientcredentials.go

@@ -1,120 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package clientcredentials implements the OAuth2.0 "client credentials" token flow,
-// also known as the "two-legged OAuth 2.0".
-//
-// This should be used when the client is acting on its own behalf or when the client
-// is the resource owner. It may also be used when requesting access to protected
-// resources based on an authorization previously arranged with the authorization
-// server.
-//
-// See https://tools.ietf.org/html/rfc6749#section-4.4
-package clientcredentials // import "golang.org/x/oauth2/clientcredentials"
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-	"net/url"
-	"strings"
-
-	"golang.org/x/oauth2"
-	"golang.org/x/oauth2/internal"
-)
-
-// Config describes a 2-legged OAuth2 flow, with both the
-// client application information and the server's endpoint URLs.
-type Config struct {
-	// ClientID is the application's ID.
-	ClientID string
-
-	// ClientSecret is the application's secret.
-	ClientSecret string
-
-	// TokenURL is the resource server's token endpoint
-	// URL. This is a constant specific to each server.
-	TokenURL string
-
-	// Scope specifies optional requested permissions.
-	Scopes []string
-
-	// EndpointParams specifies additional parameters for requests to the token endpoint.
-	EndpointParams url.Values
-
-	// AuthStyle optionally specifies how the endpoint wants the
-	// client ID & client secret sent. The zero value means to
-	// auto-detect.
-	AuthStyle oauth2.AuthStyle
-}
-
-// Token uses client credentials to retrieve a token.
-//
-// The provided context optionally controls which HTTP client is used. See the oauth2.HTTPClient variable.
-func (c *Config) Token(ctx context.Context) (*oauth2.Token, error) {
-	return c.TokenSource(ctx).Token()
-}
-
-// Client returns an HTTP client using the provided token.
-// The token will auto-refresh as necessary.
-//
-// The provided context optionally controls which HTTP client
-// is returned. See the oauth2.HTTPClient variable.
-//
-// The returned Client and its Transport should not be modified.
-func (c *Config) Client(ctx context.Context) *http.Client {
-	return oauth2.NewClient(ctx, c.TokenSource(ctx))
-}
-
-// TokenSource returns a TokenSource that returns t until t expires,
-// automatically refreshing it as necessary using the provided context and the
-// client ID and client secret.
-//
-// Most users will use Config.Client instead.
-func (c *Config) TokenSource(ctx context.Context) oauth2.TokenSource {
-	source := &tokenSource{
-		ctx:  ctx,
-		conf: c,
-	}
-	return oauth2.ReuseTokenSource(nil, source)
-}
-
-type tokenSource struct {
-	ctx  context.Context
-	conf *Config
-}
-
-// Token refreshes the token by using a new client credentials request.
-// tokens received this way do not include a refresh token
-func (c *tokenSource) Token() (*oauth2.Token, error) {
-	v := url.Values{
-		"grant_type": {"client_credentials"},
-	}
-	if len(c.conf.Scopes) > 0 {
-		v.Set("scope", strings.Join(c.conf.Scopes, " "))
-	}
-	for k, p := range c.conf.EndpointParams {
-		// Allow grant_type to be overridden to allow interoperability with
-		// non-compliant implementations.
-		if _, ok := v[k]; ok && k != "grant_type" {
-			return nil, fmt.Errorf("oauth2: cannot overwrite parameter %q", k)
-		}
-		v[k] = p
-	}
-
-	tk, err := internal.RetrieveToken(c.ctx, c.conf.ClientID, c.conf.ClientSecret, c.conf.TokenURL, v, internal.AuthStyle(c.conf.AuthStyle))
-	if err != nil {
-		if rErr, ok := err.(*internal.RetrieveError); ok {
-			return nil, (*oauth2.RetrieveError)(rErr)
-		}
-		return nil, err
-	}
-	t := &oauth2.Token{
-		AccessToken:  tk.AccessToken,
-		TokenType:    tk.TokenType,
-		RefreshToken: tk.RefreshToken,
-		Expiry:       tk.Expiry,
-	}
-	return t.WithExtra(tk.Raw), nil
-}

vendor/golang.org/x/oauth2/go.mod

@@ -1,10 +0,0 @@
-module golang.org/x/oauth2
-
-go 1.11
-
-require (
-	cloud.google.com/go v0.34.0
-	golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e
-	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
-	google.golang.org/appengine v1.4.0
-)

vendor/golang.org/x/oauth2/go.sum

@@ -1,12 +0,0 @@
-cloud.google.com/go v0.34.0 h1:eOI3/cP2VTU6uZLDYAoic+eyzzB9YyGmJ7eIjl8rOPg=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e h1:bRhVy7zSSasaqNksaRZiA5EEI+Ei4I1nO5Jh72wfHlg=
-golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=

vendor/golang.org/x/oauth2/internal/client_appengine.go

@@ -1,13 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build appengine
-
-package internal
-
-import "google.golang.org/appengine/urlfetch"
-
-func init() {
-	appengineClientHook = urlfetch.Client
-}

vendor/golang.org/x/oauth2/internal/doc.go

@@ -1,6 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package internal contains support packages for oauth2 package.
-package internal

vendor/golang.org/x/oauth2/internal/oauth2.go

@@ -1,37 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package internal
-
-import (
-	"crypto/rsa"
-	"crypto/x509"
-	"encoding/pem"
-	"errors"
-	"fmt"
-)
-
-// ParseKey converts the binary contents of a private key file
-// to an *rsa.PrivateKey. It detects whether the private key is in a
-// PEM container or not. If so, it extracts the the private key
-// from PEM container before conversion. It only supports PEM
-// containers with no passphrase.
-func ParseKey(key []byte) (*rsa.PrivateKey, error) {
-	block, _ := pem.Decode(key)
-	if block != nil {
-		key = block.Bytes
-	}
-	parsedKey, err := x509.ParsePKCS8PrivateKey(key)
-	if err != nil {
-		parsedKey, err = x509.ParsePKCS1PrivateKey(key)
-		if err != nil {
-			return nil, fmt.Errorf("private key should be a PEM or plain PKCS1 or PKCS8; parse error: %v", err)
-		}
-	}
-	parsed, ok := parsedKey.(*rsa.PrivateKey)
-	if !ok {
-		return nil, errors.New("private key is invalid")
-	}
-	return parsed, nil
-}

vendor/golang.org/x/oauth2/internal/token.go

@@ -1,294 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package internal
-
-import (
-	"context"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"math"
-	"mime"
-	"net/http"
-	"net/url"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"golang.org/x/net/context/ctxhttp"
-)
-
-// Token represents the credentials used to authorize
-// the requests to access protected resources on the OAuth 2.0
-// provider's backend.
-//
-// This type is a mirror of oauth2.Token and exists to break
-// an otherwise-circular dependency. Other internal packages
-// should convert this Token into an oauth2.Token before use.
-type Token struct {
-	// AccessToken is the token that authorizes and authenticates
-	// the requests.
-	AccessToken string
-
-	// TokenType is the type of token.
-	// The Type method returns either this or "Bearer", the default.
-	TokenType string
-
-	// RefreshToken is a token that's used by the application
-	// (as opposed to the user) to refresh the access token
-	// if it expires.
-	RefreshToken string
-
-	// Expiry is the optional expiration time of the access token.
-	//
-	// If zero, TokenSource implementations will reuse the same
-	// token forever and RefreshToken or equivalent
-	// mechanisms for that TokenSource will not be used.
-	Expiry time.Time
-
-	// Raw optionally contains extra metadata from the server
-	// when updating a token.
-	Raw interface{}
-}
-
-// tokenJSON is the struct representing the HTTP response from OAuth2
-// providers returning a token in JSON form.
-type tokenJSON struct {
-	AccessToken  string         `json:"access_token"`
-	TokenType    string         `json:"token_type"`
-	RefreshToken string         `json:"refresh_token"`
-	ExpiresIn    expirationTime `json:"expires_in"` // at least PayPal returns string, while most return number
-}
-
-func (e *tokenJSON) expiry() (t time.Time) {
-	if v := e.ExpiresIn; v != 0 {
-		return time.Now().Add(time.Duration(v) * time.Second)
-	}
-	return
-}
-
-type expirationTime int32
-
-func (e *expirationTime) UnmarshalJSON(b []byte) error {
-	if len(b) == 0 || string(b) == "null" {
-		return nil
-	}
-	var n json.Number
-	err := json.Unmarshal(b, &n)
-	if err != nil {
-		return err
-	}
-	i, err := n.Int64()
-	if err != nil {
-		return err
-	}
-	if i > math.MaxInt32 {
-		i = math.MaxInt32
-	}
-	*e = expirationTime(i)
-	return nil
-}
-
-// RegisterBrokenAuthHeaderProvider previously did something. It is now a no-op.
-//
-// Deprecated: this function no longer does anything. Caller code that
-// wants to avoid potential extra HTTP requests made during
-// auto-probing of the provider's auth style should set
-// Endpoint.AuthStyle.
-func RegisterBrokenAuthHeaderProvider(tokenURL string) {}
-
-// AuthStyle is a copy of the golang.org/x/oauth2 package's AuthStyle type.
-type AuthStyle int
-
-const (
-	AuthStyleUnknown  AuthStyle = 0
-	AuthStyleInParams AuthStyle = 1
-	AuthStyleInHeader AuthStyle = 2
-)
-
-// authStyleCache is the set of tokenURLs we've successfully used via
-// RetrieveToken and which style auth we ended up using.
-// It's called a cache, but it doesn't (yet?) shrink. It's expected that
-// the set of OAuth2 servers a program contacts over time is fixed and
-// small.
-var authStyleCache struct {
-	sync.Mutex
-	m map[string]AuthStyle // keyed by tokenURL
-}
-
-// ResetAuthCache resets the global authentication style cache used
-// for AuthStyleUnknown token requests.
-func ResetAuthCache() {
-	authStyleCache.Lock()
-	defer authStyleCache.Unlock()
-	authStyleCache.m = nil
-}
-
-// lookupAuthStyle reports which auth style we last used with tokenURL
-// when calling RetrieveToken and whether we have ever done so.
-func lookupAuthStyle(tokenURL string) (style AuthStyle, ok bool) {
-	authStyleCache.Lock()
-	defer authStyleCache.Unlock()
-	style, ok = authStyleCache.m[tokenURL]
-	return
-}
-
-// setAuthStyle adds an entry to authStyleCache, documented above.
-func setAuthStyle(tokenURL string, v AuthStyle) {
-	authStyleCache.Lock()
-	defer authStyleCache.Unlock()
-	if authStyleCache.m == nil {
-		authStyleCache.m = make(map[string]AuthStyle)
-	}
-	authStyleCache.m[tokenURL] = v
-}
-
-// newTokenRequest returns a new *http.Request to retrieve a new token
-// from tokenURL using the provided clientID, clientSecret, and POST
-// body parameters.
-//
-// inParams is whether the clientID & clientSecret should be encoded
-// as the POST body. An 'inParams' value of true means to send it in
-// the POST body (along with any values in v); false means to send it
-// in the Authorization header.
-func newTokenRequest(tokenURL, clientID, clientSecret string, v url.Values, authStyle AuthStyle) (*http.Request, error) {
-	if authStyle == AuthStyleInParams {
-		v = cloneURLValues(v)
-		if clientID != "" {
-			v.Set("client_id", clientID)
-		}
-		if clientSecret != "" {
-			v.Set("client_secret", clientSecret)
-		}
-	}
-	req, err := http.NewRequest("POST", tokenURL, strings.NewReader(v.Encode()))
-	if err != nil {
-		return nil, err
-	}
-	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-	if authStyle == AuthStyleInHeader {
-		req.SetBasicAuth(url.QueryEscape(clientID), url.QueryEscape(clientSecret))
-	}
-	return req, nil
-}
-
-func cloneURLValues(v url.Values) url.Values {
-	v2 := make(url.Values, len(v))
-	for k, vv := range v {
-		v2[k] = append([]string(nil), vv...)
-	}
-	return v2
-}
-
-func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string, v url.Values, authStyle AuthStyle) (*Token, error) {
-	needsAuthStyleProbe := authStyle == 0
-	if needsAuthStyleProbe {
-		if style, ok := lookupAuthStyle(tokenURL); ok {
-			authStyle = style
-			needsAuthStyleProbe = false
-		} else {
-			authStyle = AuthStyleInHeader // the first way we'll try
-		}
-	}
-	req, err := newTokenRequest(tokenURL, clientID, clientSecret, v, authStyle)
-	if err != nil {
-		return nil, err
-	}
-	token, err := doTokenRoundTrip(ctx, req)
-	if err != nil && needsAuthStyleProbe {
-		// If we get an error, assume the server wants the
-		// clientID & clientSecret in a different form.
-		// See https://code.google.com/p/goauth2/issues/detail?id=31 for background.
-		// In summary:
-		// - Reddit only accepts client secret in the Authorization header
-		// - Dropbox accepts either it in URL param or Auth header, but not both.
-		// - Google only accepts URL param (not spec compliant?), not Auth header
-		// - Stripe only accepts client secret in Auth header with Bearer method, not Basic
-		//
-		// We used to maintain a big table in this code of all the sites and which way
-		// they went, but maintaining it didn't scale & got annoying.
-		// So just try both ways.
-		authStyle = AuthStyleInParams // the second way we'll try
-		req, _ = newTokenRequest(tokenURL, clientID, clientSecret, v, authStyle)
-		token, err = doTokenRoundTrip(ctx, req)
-	}
-	if needsAuthStyleProbe && err == nil {
-		setAuthStyle(tokenURL, authStyle)
-	}
-	// Don't overwrite `RefreshToken` with an empty value
-	// if this was a token refreshing request.
-	if token != nil && token.RefreshToken == "" {
-		token.RefreshToken = v.Get("refresh_token")
-	}
-	return token, err
-}
-
-func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) {
-	r, err := ctxhttp.Do(ctx, ContextClient(ctx), req)
-	if err != nil {
-		return nil, err
-	}
-	body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1<<20))
-	r.Body.Close()
-	if err != nil {
-		return nil, fmt.Errorf("oauth2: cannot fetch token: %v", err)
-	}
-	if code := r.StatusCode; code < 200 || code > 299 {
-		return nil, &RetrieveError{
-			Response: r,
-			Body:     body,
-		}
-	}
-
-	var token *Token
-	content, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type"))
-	switch content {
-	case "application/x-www-form-urlencoded", "text/plain":
-		vals, err := url.ParseQuery(string(body))
-		if err != nil {
-			return nil, err
-		}
-		token = &Token{
-			AccessToken:  vals.Get("access_token"),
-			TokenType:    vals.Get("token_type"),
-			RefreshToken: vals.Get("refresh_token"),
-			Raw:          vals,
-		}
-		e := vals.Get("expires_in")
-		expires, _ := strconv.Atoi(e)
-		if expires != 0 {
-			token.Expiry = time.Now().Add(time.Duration(expires) * time.Second)
-		}
-	default:
-		var tj tokenJSON
-		if err = json.Unmarshal(body, &tj); err != nil {
-			return nil, err
-		}
-		token = &Token{
-			AccessToken:  tj.AccessToken,
-			TokenType:    tj.TokenType,
-			RefreshToken: tj.RefreshToken,
-			Expiry:       tj.expiry(),
-			Raw:          make(map[string]interface{}),
-		}
-		json.Unmarshal(body, &token.Raw) // no error checks for optional fields
-	}
-	if token.AccessToken == "" {
-		return nil, errors.New("oauth2: server response missing access_token")
-	}
-	return token, nil
-}
-
-type RetrieveError struct {
-	Response *http.Response
-	Body     []byte
-}
-
-func (r *RetrieveError) Error() string {
-	return fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", r.Response.Status, r.Body)
-}

vendor/golang.org/x/oauth2/internal/transport.go

@@ -1,33 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package internal
-
-import (
-	"context"
-	"net/http"
-)
-
-// HTTPClient is the context key to use with golang.org/x/net/context's
-// WithValue function to associate an *http.Client value with a context.
-var HTTPClient ContextKey
-
-// ContextKey is just an empty struct. It exists so HTTPClient can be
-// an immutable public variable with a unique type. It's immutable
-// because nobody else can create a ContextKey, being unexported.
-type ContextKey struct{}
-
-var appengineClientHook func(context.Context) *http.Client
-
-func ContextClient(ctx context.Context) *http.Client {
-	if ctx != nil {
-		if hc, ok := ctx.Value(HTTPClient).(*http.Client); ok {
-			return hc
-		}
-	}
-	if appengineClientHook != nil {
-		return appengineClientHook(ctx)
-	}
-	return http.DefaultClient
-}

vendor/golang.org/x/oauth2/oauth2.go

@@ -1,381 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package oauth2 provides support for making
-// OAuth2 authorized and authenticated HTTP requests,
-// as specified in RFC 6749.
-// It can additionally grant authorization with Bearer JWT.
-package oauth2 // import "golang.org/x/oauth2"
-
-import (
-	"bytes"
-	"context"
-	"errors"
-	"net/http"
-	"net/url"
-	"strings"
-	"sync"
-
-	"golang.org/x/oauth2/internal"
-)
-
-// NoContext is the default context you should supply if not using
-// your own context.Context (see https://golang.org/x/net/context).
-//
-// Deprecated: Use context.Background() or context.TODO() instead.
-var NoContext = context.TODO()
-
-// RegisterBrokenAuthHeaderProvider previously did something. It is now a no-op.
-//
-// Deprecated: this function no longer does anything. Caller code that
-// wants to avoid potential extra HTTP requests made during
-// auto-probing of the provider's auth style should set
-// Endpoint.AuthStyle.
-func RegisterBrokenAuthHeaderProvider(tokenURL string) {}
-
-// Config describes a typical 3-legged OAuth2 flow, with both the
-// client application information and the server's endpoint URLs.
-// For the client credentials 2-legged OAuth2 flow, see the clientcredentials
-// package (https://golang.org/x/oauth2/clientcredentials).
-type Config struct {
-	// ClientID is the application's ID.
-	ClientID string
-
-	// ClientSecret is the application's secret.
-	ClientSecret string
-
-	// Endpoint contains the resource server's token endpoint
-	// URLs. These are constants specific to each server and are
-	// often available via site-specific packages, such as
-	// google.Endpoint or github.Endpoint.
-	Endpoint Endpoint
-
-	// RedirectURL is the URL to redirect users going through
-	// the OAuth flow, after the resource owner's URLs.
-	RedirectURL string
-
-	// Scope specifies optional requested permissions.
-	Scopes []string
-}
-
-// A TokenSource is anything that can return a token.
-type TokenSource interface {
-	// Token returns a token or an error.
-	// Token must be safe for concurrent use by multiple goroutines.
-	// The returned Token must not be modified.
-	Token() (*Token, error)
-}
-
-// Endpoint represents an OAuth 2.0 provider's authorization and token
-// endpoint URLs.
-type Endpoint struct {
-	AuthURL  string
-	TokenURL string
-
-	// AuthStyle optionally specifies how the endpoint wants the
-	// client ID & client secret sent. The zero value means to
-	// auto-detect.
-	AuthStyle AuthStyle
-}
-
-// AuthStyle represents how requests for tokens are authenticated
-// to the server.
-type AuthStyle int
-
-const (
-	// AuthStyleAutoDetect means to auto-detect which authentication
-	// style the provider wants by trying both ways and caching
-	// the successful way for the future.
-	AuthStyleAutoDetect AuthStyle = 0
-
-	// AuthStyleInParams sends the "client_id" and "client_secret"
-	// in the POST body as application/x-www-form-urlencoded parameters.
-	AuthStyleInParams AuthStyle = 1
-
-	// AuthStyleInHeader sends the client_id and client_password
-	// using HTTP Basic Authorization. This is an optional style
-	// described in the OAuth2 RFC 6749 section 2.3.1.
-	AuthStyleInHeader AuthStyle = 2
-)
-
-var (
-	// AccessTypeOnline and AccessTypeOffline are options passed
-	// to the Options.AuthCodeURL method. They modify the
-	// "access_type" field that gets sent in the URL returned by
-	// AuthCodeURL.
-	//
-	// Online is the default if neither is specified. If your
-	// application needs to refresh access tokens when the user
-	// is not present at the browser, then use offline. This will
-	// result in your application obtaining a refresh token the
-	// first time your application exchanges an authorization
-	// code for a user.
-	AccessTypeOnline  AuthCodeOption = SetAuthURLParam("access_type", "online")
-	AccessTypeOffline AuthCodeOption = SetAuthURLParam("access_type", "offline")
-
-	// ApprovalForce forces the users to view the consent dialog
-	// and confirm the permissions request at the URL returned
-	// from AuthCodeURL, even if they've already done so.
-	ApprovalForce AuthCodeOption = SetAuthURLParam("prompt", "consent")
-)
-
-// An AuthCodeOption is passed to Config.AuthCodeURL.
-type AuthCodeOption interface {
-	setValue(url.Values)
-}
-
-type setParam struct{ k, v string }
-
-func (p setParam) setValue(m url.Values) { m.Set(p.k, p.v) }
-
-// SetAuthURLParam builds an AuthCodeOption which passes key/value parameters
-// to a provider's authorization endpoint.
-func SetAuthURLParam(key, value string) AuthCodeOption {
-	return setParam{key, value}
-}
-
-// AuthCodeURL returns a URL to OAuth 2.0 provider's consent page
-// that asks for permissions for the required scopes explicitly.
-//
-// State is a token to protect the user from CSRF attacks. You must
-// always provide a non-empty string and validate that it matches the
-// the state query parameter on your redirect callback.
-// See http://tools.ietf.org/html/rfc6749#section-10.12 for more info.
-//
-// Opts may include AccessTypeOnline or AccessTypeOffline, as well
-// as ApprovalForce.
-// It can also be used to pass the PKCE challenge.
-// See https://www.oauth.com/oauth2-servers/pkce/ for more info.
-func (c *Config) AuthCodeURL(state string, opts ...AuthCodeOption) string {
-	var buf bytes.Buffer
-	buf.WriteString(c.Endpoint.AuthURL)
-	v := url.Values{
-		"response_type": {"code"},
-		"client_id":     {c.ClientID},
-	}
-	if c.RedirectURL != "" {
-		v.Set("redirect_uri", c.RedirectURL)
-	}
-	if len(c.Scopes) > 0 {
-		v.Set("scope", strings.Join(c.Scopes, " "))
-	}
-	if state != "" {
-		// TODO(light): Docs say never to omit state; don't allow empty.
-		v.Set("state", state)
-	}
-	for _, opt := range opts {
-		opt.setValue(v)
-	}
-	if strings.Contains(c.Endpoint.AuthURL, "?") {
-		buf.WriteByte('&')
-	} else {
-		buf.WriteByte('?')
-	}
-	buf.WriteString(v.Encode())
-	return buf.String()
-}
-
-// PasswordCredentialsToken converts a resource owner username and password
-// pair into a token.
-//
-// Per the RFC, this grant type should only be used "when there is a high
-// degree of trust between the resource owner and the client (e.g., the client
-// is part of the device operating system or a highly privileged application),
-// and when other authorization grant types are not available."
-// See https://tools.ietf.org/html/rfc6749#section-4.3 for more info.
-//
-// The provided context optionally controls which HTTP client is used. See the HTTPClient variable.
-func (c *Config) PasswordCredentialsToken(ctx context.Context, username, password string) (*Token, error) {
-	v := url.Values{
-		"grant_type": {"password"},
-		"username":   {username},
-		"password":   {password},
-	}
-	if len(c.Scopes) > 0 {
-		v.Set("scope", strings.Join(c.Scopes, " "))
-	}
-	return retrieveToken(ctx, c, v)
-}
-
-// Exchange converts an authorization code into a token.
-//
-// It is used after a resource provider redirects the user back
-// to the Redirect URI (the URL obtained from AuthCodeURL).
-//
-// The provided context optionally controls which HTTP client is used. See the HTTPClient variable.
-//
-// The code will be in the *http.Request.FormValue("code"). Before
-// calling Exchange, be sure to validate FormValue("state").
-//
-// Opts may include the PKCE verifier code if previously used in AuthCodeURL.
-// See https://www.oauth.com/oauth2-servers/pkce/ for more info.
-func (c *Config) Exchange(ctx context.Context, code string, opts ...AuthCodeOption) (*Token, error) {
-	v := url.Values{
-		"grant_type": {"authorization_code"},
-		"code":       {code},
-	}
-	if c.RedirectURL != "" {
-		v.Set("redirect_uri", c.RedirectURL)
-	}
-	for _, opt := range opts {
-		opt.setValue(v)
-	}
-	return retrieveToken(ctx, c, v)
-}
-
-// Client returns an HTTP client using the provided token.
-// The token will auto-refresh as necessary. The underlying
-// HTTP transport will be obtained using the provided context.
-// The returned client and its Transport should not be modified.
-func (c *Config) Client(ctx context.Context, t *Token) *http.Client {
-	return NewClient(ctx, c.TokenSource(ctx, t))
-}
-
-// TokenSource returns a TokenSource that returns t until t expires,
-// automatically refreshing it as necessary using the provided context.
-//
-// Most users will use Config.Client instead.
-func (c *Config) TokenSource(ctx context.Context, t *Token) TokenSource {
-	tkr := &tokenRefresher{
-		ctx:  ctx,
-		conf: c,
-	}
-	if t != nil {
-		tkr.refreshToken = t.RefreshToken
-	}
-	return &reuseTokenSource{
-		t:   t,
-		new: tkr,
-	}
-}
-
-// tokenRefresher is a TokenSource that makes "grant_type"=="refresh_token"
-// HTTP requests to renew a token using a RefreshToken.
-type tokenRefresher struct {
-	ctx          context.Context // used to get HTTP requests
-	conf         *Config
-	refreshToken string
-}
-
-// WARNING: Token is not safe for concurrent access, as it
-// updates the tokenRefresher's refreshToken field.
-// Within this package, it is used by reuseTokenSource which
-// synchronizes calls to this method with its own mutex.
-func (tf *tokenRefresher) Token() (*Token, error) {
-	if tf.refreshToken == "" {
-		return nil, errors.New("oauth2: token expired and refresh token is not set")
-	}
-
-	tk, err := retrieveToken(tf.ctx, tf.conf, url.Values{
-		"grant_type":    {"refresh_token"},
-		"refresh_token": {tf.refreshToken},
-	})
-
-	if err != nil {
-		return nil, err
-	}
-	if tf.refreshToken != tk.RefreshToken {
-		tf.refreshToken = tk.RefreshToken
-	}
-	return tk, err
-}
-
-// reuseTokenSource is a TokenSource that holds a single token in memory
-// and validates its expiry before each call to retrieve it with
-// Token. If it's expired, it will be auto-refreshed using the
-// new TokenSource.
-type reuseTokenSource struct {
-	new TokenSource // called when t is expired.
-
-	mu sync.Mutex // guards t
-	t  *Token
-}
-
-// Token returns the current token if it's still valid, else will
-// refresh the current token (using r.Context for HTTP client
-// information) and return the new one.
-func (s *reuseTokenSource) Token() (*Token, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	if s.t.Valid() {
-		return s.t, nil
-	}
-	t, err := s.new.Token()
-	if err != nil {
-		return nil, err
-	}
-	s.t = t
-	return t, nil
-}
-
-// StaticTokenSource returns a TokenSource that always returns the same token.
-// Because the provided token t is never refreshed, StaticTokenSource is only
-// useful for tokens that never expire.
-func StaticTokenSource(t *Token) TokenSource {
-	return staticTokenSource{t}
-}
-
-// staticTokenSource is a TokenSource that always returns the same Token.
-type staticTokenSource struct {
-	t *Token
-}
-
-func (s staticTokenSource) Token() (*Token, error) {
-	return s.t, nil
-}
-
-// HTTPClient is the context key to use with golang.org/x/net/context's
-// WithValue function to associate an *http.Client value with a context.
-var HTTPClient internal.ContextKey
-
-// NewClient creates an *http.Client from a Context and TokenSource.
-// The returned client is not valid beyond the lifetime of the context.
-//
-// Note that if a custom *http.Client is provided via the Context it
-// is used only for token acquisition and is not used to configure the
-// *http.Client returned from NewClient.
-//
-// As a special case, if src is nil, a non-OAuth2 client is returned
-// using the provided context. This exists to support related OAuth2
-// packages.
-func NewClient(ctx context.Context, src TokenSource) *http.Client {
-	if src == nil {
-		return internal.ContextClient(ctx)
-	}
-	return &http.Client{
-		Transport: &Transport{
-			Base:   internal.ContextClient(ctx).Transport,
-			Source: ReuseTokenSource(nil, src),
-		},
-	}
-}
-
-// ReuseTokenSource returns a TokenSource which repeatedly returns the
-// same token as long as it's valid, starting with t.
-// When its cached token is invalid, a new token is obtained from src.
-//
-// ReuseTokenSource is typically used to reuse tokens from a cache
-// (such as a file on disk) between runs of a program, rather than
-// obtaining new tokens unnecessarily.
-//
-// The initial token t may be nil, in which case the TokenSource is
-// wrapped in a caching version if it isn't one already. This also
-// means it's always safe to wrap ReuseTokenSource around any other
-// TokenSource without adverse effects.
-func ReuseTokenSource(t *Token, src TokenSource) TokenSource {
-	// Don't wrap a reuseTokenSource in itself. That would work,
-	// but cause an unnecessary number of mutex operations.
-	// Just build the equivalent one.
-	if rt, ok := src.(*reuseTokenSource); ok {
-		if t == nil {
-			// Just use it directly.
-			return rt
-		}
-		src = rt.new
-	}
-	return &reuseTokenSource{
-		t:   t,
-		new: src,
-	}
-}

vendor/golang.org/x/oauth2/token.go

@@ -1,178 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package oauth2
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-	"net/url"
-	"strconv"
-	"strings"
-	"time"
-
-	"golang.org/x/oauth2/internal"
-)
-
-// expiryDelta determines how earlier a token should be considered
-// expired than its actual expiration time. It is used to avoid late
-// expirations due to client-server time mismatches.
-const expiryDelta = 10 * time.Second
-
-// Token represents the credentials used to authorize
-// the requests to access protected resources on the OAuth 2.0
-// provider's backend.
-//
-// Most users of this package should not access fields of Token
-// directly. They're exported mostly for use by related packages
-// implementing derivative OAuth2 flows.
-type Token struct {
-	// AccessToken is the token that authorizes and authenticates
-	// the requests.
-	AccessToken string `json:"access_token"`
-
-	// TokenType is the type of token.
-	// The Type method returns either this or "Bearer", the default.
-	TokenType string `json:"token_type,omitempty"`
-
-	// RefreshToken is a token that's used by the application
-	// (as opposed to the user) to refresh the access token
-	// if it expires.
-	RefreshToken string `json:"refresh_token,omitempty"`
-
-	// Expiry is the optional expiration time of the access token.
-	//
-	// If zero, TokenSource implementations will reuse the same
-	// token forever and RefreshToken or equivalent
-	// mechanisms for that TokenSource will not be used.
-	Expiry time.Time `json:"expiry,omitempty"`
-
-	// raw optionally contains extra metadata from the server
-	// when updating a token.
-	raw interface{}
-}
-
-// Type returns t.TokenType if non-empty, else "Bearer".
-func (t *Token) Type() string {
-	if strings.EqualFold(t.TokenType, "bearer") {
-		return "Bearer"
-	}
-	if strings.EqualFold(t.TokenType, "mac") {
-		return "MAC"
-	}
-	if strings.EqualFold(t.TokenType, "basic") {
-		return "Basic"
-	}
-	if t.TokenType != "" {
-		return t.TokenType
-	}
-	return "Bearer"
-}
-
-// SetAuthHeader sets the Authorization header to r using the access
-// token in t.
-//
-// This method is unnecessary when using Transport or an HTTP Client
-// returned by this package.
-func (t *Token) SetAuthHeader(r *http.Request) {
-	r.Header.Set("Authorization", t.Type()+" "+t.AccessToken)
-}
-
-// WithExtra returns a new Token that's a clone of t, but using the
-// provided raw extra map. This is only intended for use by packages
-// implementing derivative OAuth2 flows.
-func (t *Token) WithExtra(extra interface{}) *Token {
-	t2 := new(Token)
-	*t2 = *t
-	t2.raw = extra
-	return t2
-}
-
-// Extra returns an extra field.
-// Extra fields are key-value pairs returned by the server as a
-// part of the token retrieval response.
-func (t *Token) Extra(key string) interface{} {
-	if raw, ok := t.raw.(map[string]interface{}); ok {
-		return raw[key]
-	}
-
-	vals, ok := t.raw.(url.Values)
-	if !ok {
-		return nil
-	}
-
-	v := vals.Get(key)
-	switch s := strings.TrimSpace(v); strings.Count(s, ".") {
-	case 0: // Contains no "."; try to parse as int
-		if i, err := strconv.ParseInt(s, 10, 64); err == nil {
-			return i
-		}
-	case 1: // Contains a single "."; try to parse as float
-		if f, err := strconv.ParseFloat(s, 64); err == nil {
-			return f
-		}
-	}
-
-	return v
-}
-
-// timeNow is time.Now but pulled out as a variable for tests.
-var timeNow = time.Now
-
-// expired reports whether the token is expired.
-// t must be non-nil.
-func (t *Token) expired() bool {
-	if t.Expiry.IsZero() {
-		return false
-	}
-	return t.Expiry.Round(0).Add(-expiryDelta).Before(timeNow())
-}
-
-// Valid reports whether t is non-nil, has an AccessToken, and is not expired.
-func (t *Token) Valid() bool {
-	return t != nil && t.AccessToken != "" && !t.expired()
-}
-
-// tokenFromInternal maps an *internal.Token struct into
-// a *Token struct.
-func tokenFromInternal(t *internal.Token) *Token {
-	if t == nil {
-		return nil
-	}
-	return &Token{
-		AccessToken:  t.AccessToken,
-		TokenType:    t.TokenType,
-		RefreshToken: t.RefreshToken,
-		Expiry:       t.Expiry,
-		raw:          t.Raw,
-	}
-}
-
-// retrieveToken takes a *Config and uses that to retrieve an *internal.Token.
-// This token is then mapped from *internal.Token into an *oauth2.Token which is returned along
-// with an error..
-func retrieveToken(ctx context.Context, c *Config, v url.Values) (*Token, error) {
-	tk, err := internal.RetrieveToken(ctx, c.ClientID, c.ClientSecret, c.Endpoint.TokenURL, v, internal.AuthStyle(c.Endpoint.AuthStyle))
-	if err != nil {
-		if rErr, ok := err.(*internal.RetrieveError); ok {
-			return nil, (*RetrieveError)(rErr)
-		}
-		return nil, err
-	}
-	return tokenFromInternal(tk), nil
-}
-
-// RetrieveError is the error returned when the token endpoint returns a
-// non-2XX HTTP status code.
-type RetrieveError struct {
-	Response *http.Response
-	// Body is the body that was consumed by reading Response.Body.
-	// It may be truncated.
-	Body []byte
-}
-
-func (r *RetrieveError) Error() string {
-	return fmt.Sprintf("oauth2: cannot fetch token: %v\nResponse: %s", r.Response.Status, r.Body)
-}

vendor/golang.org/x/oauth2/transport.go

@@ -1,89 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package oauth2
-
-import (
-	"errors"
-	"log"
-	"net/http"
-	"sync"
-)
-
-// Transport is an http.RoundTripper that makes OAuth 2.0 HTTP requests,
-// wrapping a base RoundTripper and adding an Authorization header
-// with a token from the supplied Sources.
-//
-// Transport is a low-level mechanism. Most code will use the
-// higher-level Config.Client method instead.
-type Transport struct {
-	// Source supplies the token to add to outgoing requests'
-	// Authorization headers.
-	Source TokenSource
-
-	// Base is the base RoundTripper used to make HTTP requests.
-	// If nil, http.DefaultTransport is used.
-	Base http.RoundTripper
-}
-
-// RoundTrip authorizes and authenticates the request with an
-// access token from Transport's Source.
-func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
-	reqBodyClosed := false
-	if req.Body != nil {
-		defer func() {
-			if !reqBodyClosed {
-				req.Body.Close()
-			}
-		}()
-	}
-
-	if t.Source == nil {
-		return nil, errors.New("oauth2: Transport's Source is nil")
-	}
-	token, err := t.Source.Token()
-	if err != nil {
-		return nil, err
-	}
-
-	req2 := cloneRequest(req) // per RoundTripper contract
-	token.SetAuthHeader(req2)
-
-	// req.Body is assumed to be closed by the base RoundTripper.
-	reqBodyClosed = true
-	return t.base().RoundTrip(req2)
-}
-
-var cancelOnce sync.Once
-
-// CancelRequest does nothing. It used to be a legacy cancellation mechanism
-// but now only it only logs on first use to warn that it's deprecated.
-//
-// Deprecated: use contexts for cancellation instead.
-func (t *Transport) CancelRequest(req *http.Request) {
-	cancelOnce.Do(func() {
-		log.Printf("deprecated: golang.org/x/oauth2: Transport.CancelRequest no longer does anything; use contexts")
-	})
-}
-
-func (t *Transport) base() http.RoundTripper {
-	if t.Base != nil {
-		return t.Base
-	}
-	return http.DefaultTransport
-}
-
-// cloneRequest returns a clone of the provided *http.Request.
-// The clone is a shallow copy of the struct and its Header map.
-func cloneRequest(r *http.Request) *http.Request {
-	// shallow copy of the struct
-	r2 := new(http.Request)
-	*r2 = *r
-	// deep copy of the Header
-	r2.Header = make(http.Header, len(r.Header))
-	for k, s := range r.Header {
-		r2.Header[k] = append([]string(nil), s...)
-	}
-	return r2
-}

vendor/golang.org/x/sys/unix/mkasm_darwin.go

@@ -1,61 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// mkasm_darwin.go generates assembly trampolines to call libSystem routines from Go.
-//This program must be run after mksyscall.go.
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-	"strings"
-)
-
-func main() {
-	in1, err := ioutil.ReadFile("syscall_darwin.go")
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin.go: %s", err)
-	}
-	arch := os.Args[1]
-	in2, err := ioutil.ReadFile(fmt.Sprintf("syscall_darwin_%s.go", arch))
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin_%s.go: %s", arch, err)
-	}
-	in3, err := ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.go", arch))
-	if err != nil {
-		log.Fatalf("can't open zsyscall_darwin_%s.go: %s", arch, err)
-	}
-	in := string(in1) + string(in2) + string(in3)
-
-	trampolines := map[string]bool{}
-
-	var out bytes.Buffer
-
-	fmt.Fprintf(&out, "// go run mkasm_darwin.go %s\n", strings.Join(os.Args[1:], " "))
-	fmt.Fprintf(&out, "// Code generated by the command above; DO NOT EDIT.\n")
-	fmt.Fprintf(&out, "\n")
-	fmt.Fprintf(&out, "// +build go1.12\n")
-	fmt.Fprintf(&out, "\n")
-	fmt.Fprintf(&out, "#include \"textflag.h\"\n")
-	for _, line := range strings.Split(in, "\n") {
-		if !strings.HasPrefix(line, "func ") || !strings.HasSuffix(line, "_trampoline()") {
-			continue
-		}
-		fn := line[5 : len(line)-13]
-		if !trampolines[fn] {
-			trampolines[fn] = true
-			fmt.Fprintf(&out, "TEXT ·%s_trampoline(SB),NOSPLIT,$0-0\n", fn)
-			fmt.Fprintf(&out, "\tJMP\t%s(SB)\n", fn)
-		}
-	}
-	err = ioutil.WriteFile(fmt.Sprintf("zsyscall_darwin_%s.s", arch), out.Bytes(), 0644)
-	if err != nil {
-		log.Fatalf("can't write zsyscall_darwin_%s.s: %s", arch, err)
-	}
-}

vendor/golang.org/x/sys/unix/mkpost.go

@@ -1,106 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// mkpost processes the output of cgo -godefs to
-// modify the generated types. It is used to clean up
-// the sys API in an architecture specific manner.
-//
-// mkpost is run after cgo -godefs; see README.md.
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"go/format"
-	"io/ioutil"
-	"log"
-	"os"
-	"regexp"
-)
-
-func main() {
-	// Get the OS and architecture (using GOARCH_TARGET if it exists)
-	goos := os.Getenv("GOOS")
-	goarch := os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-	// Check that we are using the Docker-based build system if we should be.
-	if goos == "linux" {
-		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-			os.Stderr.WriteString("In the Docker-based build system, mkpost should not be called directly.\n")
-			os.Stderr.WriteString("See README.md\n")
-			os.Exit(1)
-		}
-	}
-
-	b, err := ioutil.ReadAll(os.Stdin)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	// Intentionally export __val fields in Fsid and Sigset_t
-	valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__val(\s+\S+\s+)}`)
-	b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$3}"))
-
-	// Intentionally export __fds_bits field in FdSet
-	fdSetRegex := regexp.MustCompile(`type (FdSet) struct {(\s+)X__fds_bits(\s+\S+\s+)}`)
-	b = fdSetRegex.ReplaceAll(b, []byte("type $1 struct {${2}Bits$3}"))
-
-	// If we have empty Ptrace structs, we should delete them. Only s390x emits
-	// nonempty Ptrace structs.
-	ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
-	b = ptraceRexexp.ReplaceAll(b, nil)
-
-	// Replace the control_regs union with a blank identifier for now.
-	controlRegsRegex := regexp.MustCompile(`(Control_regs)\s+\[0\]uint64`)
-	b = controlRegsRegex.ReplaceAll(b, []byte("_ [0]uint64"))
-
-	// Remove fields that are added by glibc
-	// Note that this is unstable as the identifers are private.
-	removeFieldsRegex := regexp.MustCompile(`X__glibc\S*`)
-	b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Convert [65]int8 to [65]byte in Utsname members to simplify
-	// conversion to string; see golang.org/issue/20753
-	convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
-	b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
-
-	// Convert [1024]int8 to [1024]byte in Ptmget members
-	convertPtmget := regexp.MustCompile(`([SC]n)(\s+)\[(\d+)\]u?int8`)
-	b = convertPtmget.ReplaceAll(b, []byte("$1[$3]byte"))
-
-	// Remove spare fields (e.g. in Statx_t)
-	spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
-	b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Remove cgo padding fields
-	removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
-	b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Remove padding, hidden, or unused fields
-	removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`)
-	b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Remove the first line of warning from cgo
-	b = b[bytes.IndexByte(b, '\n')+1:]
-	// Modify the command in the header to include:
-	//  mkpost, our own warning, and a build tag.
-	replacement := fmt.Sprintf(`$1 | go run mkpost.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s,%s`, goarch, goos)
-	cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
-	b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
-
-	// gofmt
-	b, err = format.Source(b)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	os.Stdout.Write(b)
-}

vendor/golang.org/x/sys/unix/mksyscall.go

@@ -1,402 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-This program reads a file containing function prototypes
-(like syscall_darwin.go) and generates system call bodies.
-The prototypes are marked by lines beginning with "//sys"
-and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named errno.
-
-A line beginning with //sysnb is like //sys, except that the
-goroutine will not be suspended during the execution of the system
-call.  This must only be used for system calls which can never
-block, as otherwise the system call could cause all goroutines to
-hang.
-*/
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32       = flag.Bool("b32", false, "32bit big-endian")
-	l32       = flag.Bool("l32", false, "32bit little-endian")
-	plan9     = flag.Bool("plan9", false, "plan9")
-	openbsd   = flag.Bool("openbsd", false, "openbsd")
-	netbsd    = flag.Bool("netbsd", false, "netbsd")
-	dragonfly = flag.Bool("dragonfly", false, "dragonfly")
-	arm       = flag.Bool("arm", false, "arm") // 64-bit value should use (even, odd)-pair
-	tags      = flag.String("tags", "", "build tags")
-	filename  = flag.String("output", "", "output file name (standard output if omitted)")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	// Get the OS and architecture (using GOARCH_TARGET if it exists)
-	goos := os.Getenv("GOOS")
-	if goos == "" {
-		fmt.Fprintln(os.Stderr, "GOOS not defined in environment")
-		os.Exit(1)
-	}
-	goarch := os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-
-	// Check that we are using the Docker-based build system if we should
-	if goos == "linux" {
-		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-			fmt.Fprintf(os.Stderr, "In the Docker-based build system, mksyscall should not be called directly.\n")
-			fmt.Fprintf(os.Stderr, "See README.md\n")
-			os.Exit(1)
-		}
-	}
-
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	libc := false
-	if goos == "darwin" && strings.Contains(buildTags(), ",go1.12") {
-		libc = true
-	}
-	trampolines := map[string]bool{}
-
-	text := ""
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, errno error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, sysname := f[2], f[3], f[4], f[5]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-
-			// Go function header.
-			outDecl := ""
-			if len(out) > 0 {
-				outDecl = fmt.Sprintf(" (%s)", strings.Join(out, ", "))
-			}
-			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outDecl)
-
-			// Check if err return available
-			errvar := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-					break
-				}
-			}
-
-			// Prepare arguments to Syscall.
-			var args []string
-			n := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
-				} else if p.Type == "string" && errvar != "" {
-					text += fmt.Sprintf("\tvar _p%d *byte\n", n)
-					text += fmt.Sprintf("\t_p%d, %s = BytePtrFromString(%s)\n", n, errvar, p.Name)
-					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					text += fmt.Sprintf("\tvar _p%d *byte\n", n)
-					text += fmt.Sprintf("\t_p%d, _ = BytePtrFromString(%s)\n", n, p.Name)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass dummy pointer in that case.
-					// Used to pass nil, but some OSes or simulators reject write(fd, nil, 0).
-					text += fmt.Sprintf("\tvar _p%d unsafe.Pointer\n", n)
-					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = unsafe.Pointer(&%s[0])\n\t}", p.Name, n, p.Name)
-					text += fmt.Sprintf(" else {\n\t\t_p%d = unsafe.Pointer(&_zero)\n\t}\n", n)
-					args = append(args, fmt.Sprintf("uintptr(_p%d)", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
-					n++
-				} else if p.Type == "int64" && (*openbsd || *netbsd) {
-					args = append(args, "0")
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else if endianness == "little-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-					}
-				} else if p.Type == "int64" && *dragonfly {
-					if regexp.MustCompile(`^(?i)extp(read|write)`).FindStringSubmatch(funct) == nil {
-						args = append(args, "0")
-					}
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else if endianness == "little-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-					}
-				} else if p.Type == "int64" && endianness != "" {
-					if len(args)%2 == 1 && *arm {
-						// arm abi specifies 64-bit argument uses
-						// (even, odd) pair
-						args = append(args, "0")
-					}
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					}
-				} else {
-					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-				}
-			}
-
-			// Determine which form to use; pad args with zeros.
-			asm := "Syscall"
-			if nonblock != nil {
-				if errvar == "" && goos == "linux" {
-					asm = "RawSyscallNoError"
-				} else {
-					asm = "RawSyscall"
-				}
-			} else {
-				if errvar == "" && goos == "linux" {
-					asm = "SyscallNoError"
-				}
-			}
-			if len(args) <= 3 {
-				for len(args) < 3 {
-					args = append(args, "0")
-				}
-			} else if len(args) <= 6 {
-				asm += "6"
-				for len(args) < 6 {
-					args = append(args, "0")
-				}
-			} else if len(args) <= 9 {
-				asm += "9"
-				for len(args) < 9 {
-					args = append(args, "0")
-				}
-			} else {
-				fmt.Fprintf(os.Stderr, "%s:%s too many arguments to system call\n", path, funct)
-			}
-
-			// System call number.
-			if sysname == "" {
-				sysname = "SYS_" + funct
-				sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
-				sysname = strings.ToUpper(sysname)
-			}
-
-			var libcFn string
-			if libc {
-				asm = "syscall_" + strings.ToLower(asm[:1]) + asm[1:] // internal syscall call
-				sysname = strings.TrimPrefix(sysname, "SYS_")         // remove SYS_
-				sysname = strings.ToLower(sysname)                    // lowercase
-				if sysname == "getdirentries64" {
-					// Special case - libSystem name and
-					// raw syscall name don't match.
-					sysname = "__getdirentries64"
-				}
-				libcFn = sysname
-				sysname = "funcPC(libc_" + sysname + "_trampoline)"
-			}
-
-			// Actual call.
-			arglist := strings.Join(args, ", ")
-			call := fmt.Sprintf("%s(%s, %s)", asm, sysname, arglist)
-
-			// Assign return values.
-			body := ""
-			ret := []string{"_", "_", "_"}
-			doErrno := false
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" && !*plan9 {
-					reg = "e1"
-					ret[2] = reg
-					doErrno = true
-				} else if p.Name == "err" && *plan9 {
-					ret[0] = "r0"
-					ret[2] = "e1"
-					break
-				} else {
-					reg = fmt.Sprintf("r%d", i)
-					ret[i] = reg
-				}
-				if p.Type == "bool" {
-					reg = fmt.Sprintf("%s != 0", reg)
-				}
-				if p.Type == "int64" && endianness != "" {
-					// 64-bit number in r1:r0 or r0:r1.
-					if i+2 > len(out) {
-						fmt.Fprintf(os.Stderr, "%s:%s not enough registers for int64 return\n", path, funct)
-					}
-					if endianness == "big-endian" {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
-					} else {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
-					}
-					ret[i] = fmt.Sprintf("r%d", i)
-					ret[i+1] = fmt.Sprintf("r%d", i+1)
-				}
-				if reg != "e1" || *plan9 {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
-				text += fmt.Sprintf("\t%s\n", call)
-			} else {
-				if errvar == "" && goos == "linux" {
-					// raw syscall without error on Linux, see golang.org/issue/22924
-					text += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], call)
-				} else {
-					text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
-				}
-			}
-			text += body
-
-			if *plan9 && ret[2] == "e1" {
-				text += "\tif int32(r0) == -1 {\n"
-				text += "\t\terr = e1\n"
-				text += "\t}\n"
-			} else if doErrno {
-				text += "\tif e1 != 0 {\n"
-				text += "\t\terr = errnoErr(e1)\n"
-				text += "\t}\n"
-			}
-			text += "\treturn\n"
-			text += "}\n\n"
-
-			if libc && !trampolines[libcFn] {
-				// some system calls share a trampoline, like read and readlen.
-				trampolines[libcFn] = true
-				// Declare assembly trampoline.
-				text += fmt.Sprintf("func libc_%s_trampoline()\n", libcFn)
-				// Assembly trampoline calls the libc_* function, which this magic
-				// redirects to use the function from libSystem.
-				text += fmt.Sprintf("//go:linkname libc_%s libc_%s\n", libcFn, libcFn)
-				text += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"/usr/lib/libSystem.B.dylib\"\n", libcFn, libcFn)
-				text += "\n"
-			}
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var _ syscall.Errno
-
-%s
-`

vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go

@@ -1,404 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-This program reads a file containing function prototypes
-(like syscall_aix.go) and generates system call bodies.
-The prototypes are marked by lines beginning with "//sys"
-and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named err.
-	* If go func name needs to be different than its libc name,
-	* or the function is not in libc, name could be specified
-	* at the end, after "=" sign, like
-	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-*/
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32  = flag.Bool("b32", false, "32bit big-endian")
-	l32  = flag.Bool("l32", false, "32bit little-endian")
-	aix  = flag.Bool("aix", false, "aix")
-	tags = flag.String("tags", "", "build tags")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall_aix_ppc.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	pack := ""
-	text := ""
-	cExtern := "/*\n#include <stdint.h>\n#include <stddef.h>\n"
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
-				pack = p[1]
-			}
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, err error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			inps = strings.Join(in, ", ")
-			outps = strings.Join(out, ", ")
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-
-			// Check if value return, err return available
-			errvar := ""
-			retvar := ""
-			rettype := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-				} else {
-					retvar = p.Name
-					rettype = p.Type
-				}
-			}
-
-			// System call name.
-			if sysname == "" {
-				sysname = funct
-			}
-			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
-			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
-
-			cRettype := ""
-			if rettype == "unsafe.Pointer" {
-				cRettype = "uintptr_t"
-			} else if rettype == "uintptr" {
-				cRettype = "uintptr_t"
-			} else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil {
-				cRettype = "uintptr_t"
-			} else if rettype == "int" {
-				cRettype = "int"
-			} else if rettype == "int32" {
-				cRettype = "int"
-			} else if rettype == "int64" {
-				cRettype = "long long"
-			} else if rettype == "uint32" {
-				cRettype = "unsigned int"
-			} else if rettype == "uint64" {
-				cRettype = "unsigned long long"
-			} else {
-				cRettype = "int"
-			}
-			if sysname == "exit" {
-				cRettype = "void"
-			}
-
-			// Change p.Types to c
-			var cIn []string
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "string" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t", "size_t")
-				} else if p.Type == "unsafe.Pointer" {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "uintptr" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "int" {
-					cIn = append(cIn, "int")
-				} else if p.Type == "int32" {
-					cIn = append(cIn, "int")
-				} else if p.Type == "int64" {
-					cIn = append(cIn, "long long")
-				} else if p.Type == "uint32" {
-					cIn = append(cIn, "unsigned int")
-				} else if p.Type == "uint64" {
-					cIn = append(cIn, "unsigned long long")
-				} else {
-					cIn = append(cIn, "int")
-				}
-			}
-
-			if funct != "fcntl" && funct != "FcntlInt" && funct != "readlen" && funct != "writelen" {
-				// Imports of system calls from libc
-				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
-				cIn := strings.Join(cIn, ", ")
-				cExtern += fmt.Sprintf("(%s);\n", cIn)
-			}
-
-			// So file name.
-			if *aix {
-				if modname == "" {
-					modname = "libc.a/shr_64.o"
-				} else {
-					fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct)
-					os.Exit(1)
-				}
-			}
-
-			strconvfunc := "C.CString"
-
-			// Go function header.
-			if outps != "" {
-				outps = fmt.Sprintf(" (%s)", outps)
-			}
-			if text != "" {
-				text += "\n"
-			}
-
-			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
-
-			// Prepare arguments to Syscall.
-			var args []string
-			n := 0
-			argN := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, "C.uintptr_t(uintptr(unsafe.Pointer("+p.Name+")))")
-				} else if p.Type == "string" && errvar != "" {
-					text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name)
-					args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name)
-					args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass nil in that case.
-					text += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
-					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
-					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(unsafe.Pointer(_p%d)))", n))
-					n++
-					text += fmt.Sprintf("\tvar _p%d int\n", n)
-					text += fmt.Sprintf("\t_p%d = len(%s)\n", n, p.Name)
-					args = append(args, fmt.Sprintf("C.size_t(_p%d)", n))
-					n++
-				} else if p.Type == "int64" && endianness != "" {
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					}
-					n++
-				} else if p.Type == "bool" {
-					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
-					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
-					args = append(args, fmt.Sprintf("_p%d", n))
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name))
-				} else if p.Type == "unsafe.Pointer" {
-					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name))
-				} else if p.Type == "int" {
-					if (argN == 2) && ((funct == "readlen") || (funct == "writelen")) {
-						args = append(args, fmt.Sprintf("C.size_t(%s)", p.Name))
-					} else if argN == 0 && funct == "fcntl" {
-						args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-					} else if (argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt")) {
-						args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
-					}
-				} else if p.Type == "int32" {
-					args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
-				} else if p.Type == "int64" {
-					args = append(args, fmt.Sprintf("C.longlong(%s)", p.Name))
-				} else if p.Type == "uint32" {
-					args = append(args, fmt.Sprintf("C.uint(%s)", p.Name))
-				} else if p.Type == "uint64" {
-					args = append(args, fmt.Sprintf("C.ulonglong(%s)", p.Name))
-				} else if p.Type == "uintptr" {
-					args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else {
-					args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
-				}
-				argN++
-			}
-
-			// Actual call.
-			arglist := strings.Join(args, ", ")
-			call := ""
-			if sysname == "exit" {
-				if errvar != "" {
-					call += "er :="
-				} else {
-					call += ""
-				}
-			} else if errvar != "" {
-				call += "r0,er :="
-			} else if retvar != "" {
-				call += "r0,_ :="
-			} else {
-				call += ""
-			}
-			call += fmt.Sprintf("C.%s(%s)", sysname, arglist)
-
-			// Assign return values.
-			body := ""
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" {
-					reg = "e1"
-				} else {
-					reg = "r0"
-				}
-				if reg != "e1" {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-
-			// verify return
-			if sysname != "exit" && errvar != "" {
-				if regexp.MustCompile(`^uintptr`).FindStringSubmatch(cRettype) != nil {
-					body += "\tif (uintptr(r0) ==^uintptr(0) && er != nil) {\n"
-					body += fmt.Sprintf("\t\t%s = er\n", errvar)
-					body += "\t}\n"
-				} else {
-					body += "\tif (r0 ==-1 && er != nil) {\n"
-					body += fmt.Sprintf("\t\t%s = er\n", errvar)
-					body += "\t}\n"
-				}
-			} else if errvar != "" {
-				body += "\tif (er != nil) {\n"
-				body += fmt.Sprintf("\t\t%s = er\n", errvar)
-				body += "\t}\n"
-			}
-
-			text += fmt.Sprintf("\t%s\n", call)
-			text += body
-
-			text += "\treturn\n"
-			text += "}\n"
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	imp := ""
-	if pack != "unix" {
-		imp = "import \"golang.org/x/sys/unix\"\n"
-
-	}
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, cExtern, imp, text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package %s
-
-
-%s
-*/
-import "C"
-import (
-	"unsafe"
-)
-
-
-%s
-
-%s
-`

vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go

@@ -1,602 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-This program reads a file containing function prototypes
-(like syscall_aix.go) and generates system call bodies.
-The prototypes are marked by lines beginning with "//sys"
-and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named err.
-	* If go func name needs to be different than its libc name,
-	* or the function is not in libc, name could be specified
-	* at the end, after "=" sign, like
-	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-
-
-This program will generate three files and handle both gc and gccgo implementation:
-  - zsyscall_aix_ppc64.go: the common part of each implementation (error handler, pointer creation)
-  - zsyscall_aix_ppc64_gc.go: gc part with //go_cgo_import_dynamic and a call to syscall6
-  - zsyscall_aix_ppc64_gccgo.go: gccgo part with C function and conversion to C type.
-
- The generated code looks like this
-
-zsyscall_aix_ppc64.go
-func asyscall(...) (n int, err error) {
-	 // Pointer Creation
-	 r1, e1 := callasyscall(...)
-	 // Type Conversion
-	 // Error Handler
-	 return
-}
-
-zsyscall_aix_ppc64_gc.go
-//go:cgo_import_dynamic libc_asyscall asyscall "libc.a/shr_64.o"
-//go:linkname libc_asyscall libc_asyscall
-var asyscall syscallFunc
-
-func callasyscall(...) (r1 uintptr, e1 Errno) {
-	 r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_asyscall)), "nb_args", ... )
-	 return
-}
-
-zsyscall_aix_ppc64_ggcgo.go
-
-// int asyscall(...)
-
-import "C"
-
-func callasyscall(...) (r1 uintptr, e1 Errno) {
-	 r1 = uintptr(C.asyscall(...))
-	 e1 = syscall.GetErrno()
-	 return
-}
-*/
-
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32  = flag.Bool("b32", false, "32bit big-endian")
-	l32  = flag.Bool("l32", false, "32bit little-endian")
-	aix  = flag.Bool("aix", false, "aix")
-	tags = flag.String("tags", "", "build tags")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall_aix_ppc64.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc64.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	pack := ""
-	// GCCGO
-	textgccgo := ""
-	cExtern := "/*\n#include <stdint.h>\n"
-	// GC
-	textgc := ""
-	dynimports := ""
-	linknames := ""
-	var vars []string
-	// COMMON
-	textcommon := ""
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
-				pack = p[1]
-			}
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, err error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			inps = strings.Join(in, ", ")
-			outps = strings.Join(out, ", ")
-
-			if sysname == "" {
-				sysname = funct
-			}
-
-			onlyCommon := false
-			if funct == "readlen" || funct == "writelen" || funct == "FcntlInt" || funct == "FcntlFlock" {
-				// This function call another syscall which is already implemented.
-				// Therefore, the gc and gccgo part must not be generated.
-				onlyCommon = true
-			}
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-
-			textcommon += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-			if !onlyCommon {
-				textgccgo += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-				textgc += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-			}
-
-			// Check if value return, err return available
-			errvar := ""
-			rettype := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-				} else {
-					rettype = p.Type
-				}
-			}
-
-			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
-			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
-
-			// GCCGO Prototype return type
-			cRettype := ""
-			if rettype == "unsafe.Pointer" {
-				cRettype = "uintptr_t"
-			} else if rettype == "uintptr" {
-				cRettype = "uintptr_t"
-			} else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil {
-				cRettype = "uintptr_t"
-			} else if rettype == "int" {
-				cRettype = "int"
-			} else if rettype == "int32" {
-				cRettype = "int"
-			} else if rettype == "int64" {
-				cRettype = "long long"
-			} else if rettype == "uint32" {
-				cRettype = "unsigned int"
-			} else if rettype == "uint64" {
-				cRettype = "unsigned long long"
-			} else {
-				cRettype = "int"
-			}
-			if sysname == "exit" {
-				cRettype = "void"
-			}
-
-			// GCCGO Prototype arguments type
-			var cIn []string
-			for i, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "string" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t", "size_t")
-				} else if p.Type == "unsafe.Pointer" {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "uintptr" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "int" {
-					if (i == 0 || i == 2) && funct == "fcntl" {
-						// These fcntl arguments needs to be uintptr to be able to call FcntlInt and FcntlFlock
-						cIn = append(cIn, "uintptr_t")
-					} else {
-						cIn = append(cIn, "int")
-					}
-
-				} else if p.Type == "int32" {
-					cIn = append(cIn, "int")
-				} else if p.Type == "int64" {
-					cIn = append(cIn, "long long")
-				} else if p.Type == "uint32" {
-					cIn = append(cIn, "unsigned int")
-				} else if p.Type == "uint64" {
-					cIn = append(cIn, "unsigned long long")
-				} else {
-					cIn = append(cIn, "int")
-				}
-			}
-
-			if !onlyCommon {
-				// GCCGO Prototype Generation
-				// Imports of system calls from libc
-				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
-				cIn := strings.Join(cIn, ", ")
-				cExtern += fmt.Sprintf("(%s);\n", cIn)
-			}
-			// GC Library name
-			if modname == "" {
-				modname = "libc.a/shr_64.o"
-			} else {
-				fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct)
-				os.Exit(1)
-			}
-			sysvarname := fmt.Sprintf("libc_%s", sysname)
-
-			if !onlyCommon {
-				// GC Runtime import of function to allow cross-platform builds.
-				dynimports += fmt.Sprintf("//go:cgo_import_dynamic %s %s \"%s\"\n", sysvarname, sysname, modname)
-				// GC Link symbol to proc address variable.
-				linknames += fmt.Sprintf("//go:linkname %s %s\n", sysvarname, sysvarname)
-				// GC Library proc address variable.
-				vars = append(vars, sysvarname)
-			}
-
-			strconvfunc := "BytePtrFromString"
-			strconvtype := "*byte"
-
-			// Go function header.
-			if outps != "" {
-				outps = fmt.Sprintf(" (%s)", outps)
-			}
-			if textcommon != "" {
-				textcommon += "\n"
-			}
-
-			textcommon += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
-
-			// Prepare arguments tocall.
-			var argscommon []string // Arguments in the common part
-			var argscall []string   // Arguments for call prototype
-			var argsgc []string     // Arguments for gc call (with syscall6)
-			var argsgccgo []string  // Arguments for gccgo call (with C.name_of_syscall)
-			n := 0
-			argN := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.Name))
-					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-					argsgc = append(argsgc, p.Name)
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else if p.Type == "string" && errvar != "" {
-					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
-					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					argscall = append(argscall, fmt.Sprintf("_p%d uintptr ", n))
-					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
-					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n))
-					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass nil in that case.
-					textcommon += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
-					textcommon += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("len(%s)", p.Name))
-					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n), fmt.Sprintf("_lenp%d int", n))
-					argsgc = append(argsgc, fmt.Sprintf("_p%d", n), fmt.Sprintf("uintptr(_lenp%d)", n))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n), fmt.Sprintf("C.size_t(_lenp%d)", n))
-					n++
-				} else if p.Type == "int64" && endianness != "" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses int64 with 32 bits mode. Case not yet implemented\n")
-				} else if p.Type == "bool" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses bool. Case not yet implemented\n")
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil || p.Type == "unsafe.Pointer" {
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
-					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-					argsgc = append(argsgc, p.Name)
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else if p.Type == "int" {
-					if (argN == 0 || argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt") || (funct == "FcntlFlock")) {
-						// These fcntl arguments need to be uintptr to be able to call FcntlInt and FcntlFlock
-						argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
-						argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-						argsgc = append(argsgc, p.Name)
-						argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-
-					} else {
-						argscommon = append(argscommon, p.Name)
-						argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
-						argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-						argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
-					}
-				} else if p.Type == "int32" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s int32", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
-				} else if p.Type == "int64" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s int64", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.longlong(%s)", p.Name))
-				} else if p.Type == "uint32" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s uint32", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uint(%s)", p.Name))
-				} else if p.Type == "uint64" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s uint64", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.ulonglong(%s)", p.Name))
-				} else if p.Type == "uintptr" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-					argsgc = append(argsgc, p.Name)
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else {
-					argscommon = append(argscommon, fmt.Sprintf("int(%s)", p.Name))
-					argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
-				}
-				argN++
-			}
-			nargs := len(argsgc)
-
-			// COMMON function generation
-			argscommonlist := strings.Join(argscommon, ", ")
-			callcommon := fmt.Sprintf("call%s(%s)", sysname, argscommonlist)
-			ret := []string{"_", "_"}
-			body := ""
-			doErrno := false
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" {
-					reg = "e1"
-					ret[1] = reg
-					doErrno = true
-				} else {
-					reg = "r0"
-					ret[0] = reg
-				}
-				if p.Type == "bool" {
-					reg = fmt.Sprintf("%s != 0", reg)
-				}
-				if reg != "e1" {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-			if ret[0] == "_" && ret[1] == "_" {
-				textcommon += fmt.Sprintf("\t%s\n", callcommon)
-			} else {
-				textcommon += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], callcommon)
-			}
-			textcommon += body
-
-			if doErrno {
-				textcommon += "\tif e1 != 0 {\n"
-				textcommon += "\t\terr = errnoErr(e1)\n"
-				textcommon += "\t}\n"
-			}
-			textcommon += "\treturn\n"
-			textcommon += "}\n"
-
-			if onlyCommon {
-				continue
-			}
-
-			// CALL Prototype
-			callProto := fmt.Sprintf("func call%s(%s) (r1 uintptr, e1 Errno) {\n", sysname, strings.Join(argscall, ", "))
-
-			// GC function generation
-			asm := "syscall6"
-			if nonblock != nil {
-				asm = "rawSyscall6"
-			}
-
-			if len(argsgc) <= 6 {
-				for len(argsgc) < 6 {
-					argsgc = append(argsgc, "0")
-				}
-			} else {
-				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call", funct)
-				os.Exit(1)
-			}
-			argsgclist := strings.Join(argsgc, ", ")
-			callgc := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, argsgclist)
-
-			textgc += callProto
-			textgc += fmt.Sprintf("\tr1, _, e1 = %s\n", callgc)
-			textgc += "\treturn\n}\n"
-
-			// GCCGO function generation
-			argsgccgolist := strings.Join(argsgccgo, ", ")
-			callgccgo := fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist)
-			textgccgo += callProto
-			textgccgo += fmt.Sprintf("\tr1 = uintptr(%s)\n", callgccgo)
-			textgccgo += "\te1 = syscall.GetErrno()\n"
-			textgccgo += "\treturn\n}\n"
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	imp := ""
-	if pack != "unix" {
-		imp = "import \"golang.org/x/sys/unix\"\n"
-
-	}
-
-	// Print zsyscall_aix_ppc64.go
-	err := ioutil.WriteFile("zsyscall_aix_ppc64.go",
-		[]byte(fmt.Sprintf(srcTemplate1, cmdLine(), buildTags(), pack, imp, textcommon)),
-		0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-
-	// Print zsyscall_aix_ppc64_gc.go
-	vardecls := "\t" + strings.Join(vars, ",\n\t")
-	vardecls += " syscallFunc"
-	err = ioutil.WriteFile("zsyscall_aix_ppc64_gc.go",
-		[]byte(fmt.Sprintf(srcTemplate2, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, textgc)),
-		0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-
-	// Print zsyscall_aix_ppc64_gccgo.go
-	err = ioutil.WriteFile("zsyscall_aix_ppc64_gccgo.go",
-		[]byte(fmt.Sprintf(srcTemplate3, cmdLine(), buildTags(), pack, cExtern, imp, textgccgo)),
-		0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-}
-
-const srcTemplate1 = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package %s
-
-import (
-	"unsafe"
-)
-
-
-%s
-
-%s
-`
-const srcTemplate2 = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-// +build !gccgo
-
-package %s
-
-import (
-	"unsafe"
-)
-%s
-%s
-%s
-type syscallFunc uintptr
-
-var (
-%s
-)
-
-// Implemented in runtime/syscall_aix.go.
-func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-
-%s
-`
-const srcTemplate3 = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-// +build gccgo
-
-package %s
-
-%s
-*/
-import "C"
-import (
-	"syscall"
-)
-
-
-%s
-
-%s
-`

vendor/golang.org/x/sys/unix/mksyscall_solaris.go

@@ -1,335 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
- This program reads a file containing function prototypes
- (like syscall_solaris.go) and generates system call bodies.
- The prototypes are marked by lines beginning with "//sys"
- and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named err.
-	* If go func name needs to be different than its libc name,
-	* or the function is not in libc, name could be specified
-	* at the end, after "=" sign, like
-	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-*/
-
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32  = flag.Bool("b32", false, "32bit big-endian")
-	l32  = flag.Bool("l32", false, "32bit little-endian")
-	tags = flag.String("tags", "", "build tags")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall_solaris.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_solaris.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	pack := ""
-	text := ""
-	dynimports := ""
-	linknames := ""
-	var vars []string
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
-				pack = p[1]
-			}
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, err error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			inps = strings.Join(in, ", ")
-			outps = strings.Join(out, ", ")
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-
-			// So file name.
-			if modname == "" {
-				modname = "libc"
-			}
-
-			// System call name.
-			if sysname == "" {
-				sysname = funct
-			}
-
-			// System call pointer variable name.
-			sysvarname := fmt.Sprintf("proc%s", sysname)
-
-			strconvfunc := "BytePtrFromString"
-			strconvtype := "*byte"
-
-			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
-
-			// Runtime import of function to allow cross-platform builds.
-			dynimports += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"%s.so\"\n", sysname, sysname, modname)
-			// Link symbol to proc address variable.
-			linknames += fmt.Sprintf("//go:linkname %s libc_%s\n", sysvarname, sysname)
-			// Library proc address variable.
-			vars = append(vars, sysvarname)
-
-			// Go function header.
-			outlist := strings.Join(out, ", ")
-			if outlist != "" {
-				outlist = fmt.Sprintf(" (%s)", outlist)
-			}
-			if text != "" {
-				text += "\n"
-			}
-			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outlist)
-
-			// Check if err return available
-			errvar := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-					continue
-				}
-			}
-
-			// Prepare arguments to Syscall.
-			var args []string
-			n := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
-				} else if p.Type == "string" && errvar != "" {
-					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					text += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
-					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					text += fmt.Sprintf("\t_p%d, _ = %s(%s)\n", n, strconvfunc, p.Name)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if s := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); s != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass nil in that case.
-					text += fmt.Sprintf("\tvar _p%d *%s\n", n, s[1])
-					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
-					n++
-				} else if p.Type == "int64" && endianness != "" {
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					}
-				} else if p.Type == "bool" {
-					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
-					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
-					args = append(args, fmt.Sprintf("uintptr(_p%d)", n))
-					n++
-				} else {
-					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-				}
-			}
-			nargs := len(args)
-
-			// Determine which form to use; pad args with zeros.
-			asm := "sysvicall6"
-			if nonblock != nil {
-				asm = "rawSysvicall6"
-			}
-			if len(args) <= 6 {
-				for len(args) < 6 {
-					args = append(args, "0")
-				}
-			} else {
-				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call\n", path)
-				os.Exit(1)
-			}
-
-			// Actual call.
-			arglist := strings.Join(args, ", ")
-			call := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, arglist)
-
-			// Assign return values.
-			body := ""
-			ret := []string{"_", "_", "_"}
-			doErrno := false
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" {
-					reg = "e1"
-					ret[2] = reg
-					doErrno = true
-				} else {
-					reg = fmt.Sprintf("r%d", i)
-					ret[i] = reg
-				}
-				if p.Type == "bool" {
-					reg = fmt.Sprintf("%d != 0", reg)
-				}
-				if p.Type == "int64" && endianness != "" {
-					// 64-bit number in r1:r0 or r0:r1.
-					if i+2 > len(out) {
-						fmt.Fprintf(os.Stderr, "%s: not enough registers for int64 return\n", path)
-						os.Exit(1)
-					}
-					if endianness == "big-endian" {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
-					} else {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
-					}
-					ret[i] = fmt.Sprintf("r%d", i)
-					ret[i+1] = fmt.Sprintf("r%d", i+1)
-				}
-				if reg != "e1" {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
-				text += fmt.Sprintf("\t%s\n", call)
-			} else {
-				text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
-			}
-			text += body
-
-			if doErrno {
-				text += "\tif e1 != 0 {\n"
-				text += "\t\terr = e1\n"
-				text += "\t}\n"
-			}
-			text += "\treturn\n"
-			text += "}\n"
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	imp := ""
-	if pack != "unix" {
-		imp = "import \"golang.org/x/sys/unix\"\n"
-
-	}
-	vardecls := "\t" + strings.Join(vars, ",\n\t")
-	vardecls += " syscallFunc"
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package %s
-
-import (
-	"syscall"
-	"unsafe"
-)
-%s
-%s
-%s
-var (
-%s	
-)
-
-%s
-`

vendor/golang.org/x/sys/unix/mksysnum.go

@@ -1,190 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Generate system call table for DragonFly, NetBSD,
-// FreeBSD, OpenBSD or Darwin from master list
-// (for example, /usr/src/sys/kern/syscalls.master or
-// sys/syscall.h).
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	goos, goarch string
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksysnum.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return fmt.Sprintf("%s,%s", goarch, goos)
-}
-
-func checkErr(err error) {
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%v\n", err)
-		os.Exit(1)
-	}
-}
-
-// source string and substring slice for regexp
-type re struct {
-	str string   // source string
-	sub []string // matched sub-string
-}
-
-// Match performs regular expression match
-func (r *re) Match(exp string) bool {
-	r.sub = regexp.MustCompile(exp).FindStringSubmatch(r.str)
-	if r.sub != nil {
-		return true
-	}
-	return false
-}
-
-// fetchFile fetches a text file from URL
-func fetchFile(URL string) io.Reader {
-	resp, err := http.Get(URL)
-	checkErr(err)
-	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
-	checkErr(err)
-	return strings.NewReader(string(body))
-}
-
-// readFile reads a text file from path
-func readFile(path string) io.Reader {
-	file, err := os.Open(os.Args[1])
-	checkErr(err)
-	return file
-}
-
-func format(name, num, proto string) string {
-	name = strings.ToUpper(name)
-	// There are multiple entries for enosys and nosys, so comment them out.
-	nm := re{str: name}
-	if nm.Match(`^SYS_E?NOSYS$`) {
-		name = fmt.Sprintf("// %s", name)
-	}
-	if name == `SYS_SYS_EXIT` {
-		name = `SYS_EXIT`
-	}
-	return fmt.Sprintf("	%s = %s;  // %s\n", name, num, proto)
-}
-
-func main() {
-	// Get the OS (using GOOS_TARGET if it exist)
-	goos = os.Getenv("GOOS_TARGET")
-	if goos == "" {
-		goos = os.Getenv("GOOS")
-	}
-	// Get the architecture (using GOARCH_TARGET if it exists)
-	goarch = os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-	// Check if GOOS and GOARCH environment variables are defined
-	if goarch == "" || goos == "" {
-		fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n")
-		os.Exit(1)
-	}
-
-	file := strings.TrimSpace(os.Args[1])
-	var syscalls io.Reader
-	if strings.HasPrefix(file, "https://") || strings.HasPrefix(file, "http://") {
-		// Download syscalls.master file
-		syscalls = fetchFile(file)
-	} else {
-		syscalls = readFile(file)
-	}
-
-	var text, line string
-	s := bufio.NewScanner(syscalls)
-	for s.Scan() {
-		t := re{str: line}
-		if t.Match(`^(.*)\\$`) {
-			// Handle continuation
-			line = t.sub[1]
-			line += strings.TrimLeft(s.Text(), " \t")
-		} else {
-			// New line
-			line = s.Text()
-		}
-		t = re{str: line}
-		if t.Match(`\\$`) {
-			continue
-		}
-		t = re{str: line}
-
-		switch goos {
-		case "dragonfly":
-			if t.Match(`^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$`) {
-				num, proto := t.sub[1], t.sub[2]
-				name := fmt.Sprintf("SYS_%s", t.sub[3])
-				text += format(name, num, proto)
-			}
-		case "freebsd":
-			if t.Match(`^([0-9]+)\s+\S+\s+(?:NO)?STD\s+({ \S+\s+(\w+).*)$`) {
-				num, proto := t.sub[1], t.sub[2]
-				name := fmt.Sprintf("SYS_%s", t.sub[3])
-				text += format(name, num, proto)
-			}
-		case "openbsd":
-			if t.Match(`^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$`) {
-				num, proto, name := t.sub[1], t.sub[3], t.sub[4]
-				text += format(name, num, proto)
-			}
-		case "netbsd":
-			if t.Match(`^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$`) {
-				num, proto, compat := t.sub[1], t.sub[6], t.sub[8]
-				name := t.sub[7] + "_" + t.sub[9]
-				if t.sub[11] != "" {
-					name = t.sub[7] + "_" + t.sub[11]
-				}
-				name = strings.ToUpper(name)
-				if compat == "" || compat == "13" || compat == "30" || compat == "50" {
-					text += fmt.Sprintf("	%s = %s;  // %s\n", name, num, proto)
-				}
-			}
-		case "darwin":
-			if t.Match(`^#define\s+SYS_(\w+)\s+([0-9]+)`) {
-				name, num := t.sub[1], t.sub[2]
-				name = strings.ToUpper(name)
-				text += fmt.Sprintf("	SYS_%s = %s;\n", name, num)
-			}
-		default:
-			fmt.Fprintf(os.Stderr, "unrecognized GOOS=%s\n", goos)
-			os.Exit(1)
-
-		}
-	}
-	err := s.Err()
-	checkErr(err)
-
-	fmt.Printf(template, cmdLine(), buildTags(), text)
-}
-
-const template = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package unix
-
-const(
-%s)`