From 3febabffeb8ccc28aeeaa02c9c97c998fef3eb0f Mon Sep 17 00:00:00 2001 From: Kazuyoshi Kato Date: Thu, 17 Feb 2022 02:12:29 +0000 Subject: [PATCH] Add protoc-gen-go-fieldpath This command will replace protobuf/plugin/fieldpath when we migrate off from gogo/protobuf. See #6564 for the detail. Signed-off-by: Kazuyoshi Kato --- cmd/protoc-gen-go-fieldpath/generator.go | 155 ++ cmd/protoc-gen-go-fieldpath/main.go | 35 + .../protobuf/compiler/protogen/protogen.go | 1261 +++++++++++++++++ .../protobuf/types/pluginpb/plugin.pb.go | 653 +++++++++ vendor/modules.txt | 2 + 5 files changed, 2106 insertions(+) create mode 100644 cmd/protoc-gen-go-fieldpath/generator.go create mode 100644 cmd/protoc-gen-go-fieldpath/main.go create mode 100644 vendor/google.golang.org/protobuf/compiler/protogen/protogen.go create mode 100644 vendor/google.golang.org/protobuf/types/pluginpb/plugin.pb.go diff --git a/cmd/protoc-gen-go-fieldpath/generator.go b/cmd/protoc-gen-go-fieldpath/generator.go new file mode 100644 index 000000000..2aa6a8cb3 --- /dev/null +++ b/cmd/protoc-gen-go-fieldpath/generator.go @@ -0,0 +1,155 @@ +/* + Copyright The containerd Authors. + + 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 main + +import ( + "google.golang.org/protobuf/compiler/protogen" + "google.golang.org/protobuf/reflect/protoreflect" +) + +type generator struct { + out *protogen.GeneratedFile +} + +func newGenerator(out *protogen.GeneratedFile) *generator { + gen := generator{out: out} + return &gen +} + +func (gen *generator) genFieldMethod(m *protogen.Message) { + p := gen.out + + p.P("// Field returns the value for the given fieldpath as a string, if defined.") + p.P("// If the value is not defined, the second value will be false.") + p.P("func (m *", m.GoIdent, ") Field(fieldpath []string) (string, bool) {") + + var ( + fields []*protogen.Field + unhandled []*protogen.Field + ) + + for _, f := range m.Fields { + if f.Desc.Kind() == protoreflect.BoolKind || + f.Desc.Kind() == protoreflect.StringKind || + isLabelsField(f) || isAnyField(f) || isMessageField(f) { + fields = append(fields, f) + } else { + unhandled = append(unhandled, f) + } + + } + + if len(fields) > 0 { + p.P("if len(fieldpath) == 0 {") + p.P(`return "", false`) + p.P("}") + + p.P("switch fieldpath[0] {") + + for _, f := range unhandled { + p.P("// unhandled: ", f.Desc.Name()) + } + + for _, f := range fields { + p.P(`case "`, f.Desc.Name(), `":`) + switch { + case isLabelsField(f): + stringsJoin := gen.out.QualifiedGoIdent(protogen.GoIdent{ + GoImportPath: "strings", + GoName: "Join", + }) + + p.P(`// Labels fields have been special-cased by name. If this breaks,`) + p.P(`// add better special casing to fieldpath plugin.`) + p.P("if len(m.", f.GoName, ") == 0 {") + p.P(`return "", false`) + p.P("}") + p.P("value, ok := m.", f.GoName, "[", stringsJoin, `(fieldpath[1:], ".")]`) + p.P("return value, ok") + case isAnyField(f): + typeurlUnmarshalAny := gen.out.QualifiedGoIdent(protogen.GoIdent{ + GoImportPath: "github.com/containerd/typeurl", + GoName: "UnmarshalAny", + }) + + p.P("decoded, err := ", typeurlUnmarshalAny, "(m.", f.GoName, ")") + p.P("if err != nil {") + p.P(`return "", false`) + p.P("}") + p.P("adaptor, ok := decoded.(interface{ Field([]string) (string, bool) })") + p.P("if !ok {") + p.P(`return "", false`) + p.P("}") + p.P("return adaptor.Field(fieldpath[1:])") + case isMessageField(f): + p.P(`// NOTE(stevvooe): This is probably not correct in many cases.`) + p.P(`// We assume that the target message also implements the Field`) + p.P(`// method, which isn't likely true in a lot of cases.`) + p.P(`//`) + p.P(`// If you have a broken build and have found this comment,`) + p.P(`// you may be closer to a solution.`) + p.P("if m.", f.GoName, " == nil {") + p.P(`return "", false`) + p.P("}") + p.P("return m.", f.GoName, ".Field(fieldpath[1:])") + case f.Desc.Kind() == protoreflect.StringKind: + p.P("return string(m.", f.GoName, "), len(m.", f.GoName, ") > 0") + case f.Desc.Kind() == protoreflect.BoolKind: + fmtSprint := gen.out.QualifiedGoIdent(protogen.GoIdent{ + GoImportPath: "fmt", + GoName: "Sprint", + }) + + p.P("return ", fmtSprint, "(m.", f.GoName, "), true") + } + } + + p.P("}") + } else { + for _, f := range unhandled { + p.P("// unhandled: ", f.Desc.Name()) + } + } + + p.P(`return "", false`) + p.P("}") +} + +func isMessageField(f *protogen.Field) bool { + return f.Desc.Kind() == protoreflect.MessageKind && f.GoIdent.GoName != "Timestamp" +} + +func isLabelsField(f *protogen.Field) bool { + return f.Desc.Kind() == protoreflect.MessageKind && f.Desc.Name() == "labels" +} + +func isAnyField(f *protogen.Field) bool { + return f.Desc.Kind() == protoreflect.MessageKind && f.GoIdent.GoName == "Any" +} + +func generate(plugin *protogen.Plugin, input *protogen.File) error { + file := plugin.NewGeneratedFile(input.GeneratedFilenamePrefix+"_fieldpath.pb.go", input.GoImportPath) + file.P("// Code generated by protoc-gen-go-fieldpath. DO NOT EDIT.") + file.P("// source: ", input.Desc.Path()) + file.P("package ", input.GoPackageName) + + gen := newGenerator(file) + for _, m := range input.Messages { + gen.genFieldMethod(m) + } + return nil +} diff --git a/cmd/protoc-gen-go-fieldpath/main.go b/cmd/protoc-gen-go-fieldpath/main.go new file mode 100644 index 000000000..faa2005d2 --- /dev/null +++ b/cmd/protoc-gen-go-fieldpath/main.go @@ -0,0 +1,35 @@ +/* + Copyright The containerd Authors. + + 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 main + +import ( + "google.golang.org/protobuf/compiler/protogen" +) + +func main() { + protogen.Options{}.Run(func(gen *protogen.Plugin) error { + for _, f := range gen.Files { + if !f.Generate { + continue + } + if err := generate(gen, f); err != nil { + return err + } + } + return nil + }) +} diff --git a/vendor/google.golang.org/protobuf/compiler/protogen/protogen.go b/vendor/google.golang.org/protobuf/compiler/protogen/protogen.go new file mode 100644 index 000000000..2ee676fbb --- /dev/null +++ b/vendor/google.golang.org/protobuf/compiler/protogen/protogen.go @@ -0,0 +1,1261 @@ +// 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. + +// Package protogen provides support for writing protoc plugins. +// +// Plugins for protoc, the Protocol Buffer compiler, +// are programs which read a CodeGeneratorRequest message from standard input +// and write a CodeGeneratorResponse message to standard output. +// This package provides support for writing plugins which generate Go code. +package protogen + +import ( + "bufio" + "bytes" + "fmt" + "go/ast" + "go/parser" + "go/printer" + "go/token" + "go/types" + "io/ioutil" + "os" + "path" + "path/filepath" + "sort" + "strconv" + "strings" + + "google.golang.org/protobuf/encoding/prototext" + "google.golang.org/protobuf/internal/genid" + "google.golang.org/protobuf/internal/strs" + "google.golang.org/protobuf/proto" + "google.golang.org/protobuf/reflect/protodesc" + "google.golang.org/protobuf/reflect/protoreflect" + "google.golang.org/protobuf/reflect/protoregistry" + + "google.golang.org/protobuf/types/descriptorpb" + "google.golang.org/protobuf/types/pluginpb" +) + +const goPackageDocURL = "https://developers.google.com/protocol-buffers/docs/reference/go-generated#package" + +// Run executes a function as a protoc plugin. +// +// It reads a CodeGeneratorRequest message from os.Stdin, invokes the plugin +// function, and writes a CodeGeneratorResponse message to os.Stdout. +// +// If a failure occurs while reading or writing, Run prints an error to +// os.Stderr and calls os.Exit(1). +func (opts Options) Run(f func(*Plugin) error) { + if err := run(opts, f); err != nil { + fmt.Fprintf(os.Stderr, "%s: %v\n", filepath.Base(os.Args[0]), err) + os.Exit(1) + } +} + +func run(opts Options, f func(*Plugin) error) error { + if len(os.Args) > 1 { + return fmt.Errorf("unknown argument %q (this program should be run by protoc, not directly)", os.Args[1]) + } + in, err := ioutil.ReadAll(os.Stdin) + if err != nil { + return err + } + req := &pluginpb.CodeGeneratorRequest{} + if err := proto.Unmarshal(in, req); err != nil { + return err + } + gen, err := opts.New(req) + if err != nil { + return err + } + if err := f(gen); err != nil { + // Errors from the plugin function are reported by setting the + // error field in the CodeGeneratorResponse. + // + // In contrast, errors that indicate a problem in protoc + // itself (unparsable input, I/O errors, etc.) are reported + // to stderr. + gen.Error(err) + } + resp := gen.Response() + out, err := proto.Marshal(resp) + if err != nil { + return err + } + if _, err := os.Stdout.Write(out); err != nil { + return err + } + return nil +} + +// A Plugin is a protoc plugin invocation. +type Plugin struct { + // Request is the CodeGeneratorRequest provided by protoc. + Request *pluginpb.CodeGeneratorRequest + + // Files is the set of files to generate and everything they import. + // Files appear in topological order, so each file appears before any + // file that imports it. + Files []*File + FilesByPath map[string]*File + + // SupportedFeatures is the set of protobuf language features supported by + // this generator plugin. See the documentation for + // google.protobuf.CodeGeneratorResponse.supported_features for details. + SupportedFeatures uint64 + + fileReg *protoregistry.Files + enumsByName map[protoreflect.FullName]*Enum + messagesByName map[protoreflect.FullName]*Message + annotateCode bool + pathType pathType + module string + genFiles []*GeneratedFile + opts Options + err error +} + +type Options struct { + // If ParamFunc is non-nil, it will be called with each unknown + // generator parameter. + // + // Plugins for protoc can accept parameters from the command line, + // passed in the --_out protoc, separated from the output + // directory with a colon; e.g., + // + // --go_out==,=: + // + // Parameters passed in this fashion as a comma-separated list of + // key=value pairs will be passed to the ParamFunc. + // + // The (flag.FlagSet).Set method matches this function signature, + // so parameters can be converted into flags as in the following: + // + // var flags flag.FlagSet + // value := flags.Bool("param", false, "") + // opts := &protogen.Options{ + // ParamFunc: flags.Set, + // } + // protogen.Run(opts, func(p *protogen.Plugin) error { + // if *value { ... } + // }) + ParamFunc func(name, value string) error + + // ImportRewriteFunc is called with the import path of each package + // imported by a generated file. It returns the import path to use + // for this package. + ImportRewriteFunc func(GoImportPath) GoImportPath +} + +// New returns a new Plugin. +func (opts Options) New(req *pluginpb.CodeGeneratorRequest) (*Plugin, error) { + gen := &Plugin{ + Request: req, + FilesByPath: make(map[string]*File), + fileReg: new(protoregistry.Files), + enumsByName: make(map[protoreflect.FullName]*Enum), + messagesByName: make(map[protoreflect.FullName]*Message), + opts: opts, + } + + packageNames := make(map[string]GoPackageName) // filename -> package name + importPaths := make(map[string]GoImportPath) // filename -> import path + for _, param := range strings.Split(req.GetParameter(), ",") { + var value string + if i := strings.Index(param, "="); i >= 0 { + value = param[i+1:] + param = param[0:i] + } + switch param { + case "": + // Ignore. + case "module": + gen.module = value + case "paths": + switch value { + case "import": + gen.pathType = pathTypeImport + case "source_relative": + gen.pathType = pathTypeSourceRelative + default: + return nil, fmt.Errorf(`unknown path type %q: want "import" or "source_relative"`, value) + } + case "annotate_code": + switch value { + case "true", "": + gen.annotateCode = true + case "false": + default: + return nil, fmt.Errorf(`bad value for parameter %q: want "true" or "false"`, param) + } + default: + if param[0] == 'M' { + impPath, pkgName := splitImportPathAndPackageName(value) + if pkgName != "" { + packageNames[param[1:]] = pkgName + } + if impPath != "" { + importPaths[param[1:]] = impPath + } + continue + } + if opts.ParamFunc != nil { + if err := opts.ParamFunc(param, value); err != nil { + return nil, err + } + } + } + } + // When the module= option is provided, we strip the module name + // prefix from generated files. This only makes sense if generated + // filenames are based on the import path. + if gen.module != "" && gen.pathType == pathTypeSourceRelative { + return nil, fmt.Errorf("cannot use module= with paths=source_relative") + } + + // Figure out the import path and package name for each file. + // + // The rules here are complicated and have grown organically over time. + // Interactions between different ways of specifying package information + // may be surprising. + // + // The recommended approach is to include a go_package option in every + // .proto source file specifying the full import path of the Go package + // associated with this file. + // + // option go_package = "google.golang.org/protobuf/types/known/anypb"; + // + // Alternatively, build systems which want to exert full control over + // import paths may specify M= flags. + for _, fdesc := range gen.Request.ProtoFile { + // The "M" command-line flags take precedence over + // the "go_package" option in the .proto source file. + filename := fdesc.GetName() + impPath, pkgName := splitImportPathAndPackageName(fdesc.GetOptions().GetGoPackage()) + if importPaths[filename] == "" && impPath != "" { + importPaths[filename] = impPath + } + if packageNames[filename] == "" && pkgName != "" { + packageNames[filename] = pkgName + } + switch { + case importPaths[filename] == "": + // The import path must be specified one way or another. + return nil, fmt.Errorf( + "unable to determine Go import path for %q\n\n"+ + "Please specify either:\n"+ + "\t• a \"go_package\" option in the .proto source file, or\n"+ + "\t• a \"M\" argument on the command line.\n\n"+ + "See %v for more information.\n", + fdesc.GetName(), goPackageDocURL) + case !strings.Contains(string(importPaths[filename]), ".") && + !strings.Contains(string(importPaths[filename]), "/"): + // Check that import paths contain at least a dot or slash to avoid + // a common mistake where import path is confused with package name. + return nil, fmt.Errorf( + "invalid Go import path %q for %q\n\n"+ + "The import path must contain at least one period ('.') or forward slash ('/') character.\n\n"+ + "See %v for more information.\n", + string(importPaths[filename]), fdesc.GetName(), goPackageDocURL) + case packageNames[filename] == "": + // If the package name is not explicitly specified, + // then derive a reasonable package name from the import path. + // + // NOTE: The package name is derived first from the import path in + // the "go_package" option (if present) before trying the "M" flag. + // The inverted order for this is because the primary use of the "M" + // flag is by build systems that have full control over the + // import paths all packages, where it is generally expected that + // the Go package name still be identical for the Go toolchain and + // for custom build systems like Bazel. + if impPath == "" { + impPath = importPaths[filename] + } + packageNames[filename] = cleanPackageName(path.Base(string(impPath))) + } + } + + // Consistency check: Every file with the same Go import path should have + // the same Go package name. + packageFiles := make(map[GoImportPath][]string) + for filename, importPath := range importPaths { + if _, ok := packageNames[filename]; !ok { + // Skip files mentioned in a M= parameter + // but which do not appear in the CodeGeneratorRequest. + continue + } + packageFiles[importPath] = append(packageFiles[importPath], filename) + } + for importPath, filenames := range packageFiles { + for i := 1; i < len(filenames); i++ { + if a, b := packageNames[filenames[0]], packageNames[filenames[i]]; a != b { + return nil, fmt.Errorf("Go package %v has inconsistent names %v (%v) and %v (%v)", + importPath, a, filenames[0], b, filenames[i]) + } + } + } + + for _, fdesc := range gen.Request.ProtoFile { + filename := fdesc.GetName() + if gen.FilesByPath[filename] != nil { + return nil, fmt.Errorf("duplicate file name: %q", filename) + } + f, err := newFile(gen, fdesc, packageNames[filename], importPaths[filename]) + if err != nil { + return nil, err + } + gen.Files = append(gen.Files, f) + gen.FilesByPath[filename] = f + } + for _, filename := range gen.Request.FileToGenerate { + f, ok := gen.FilesByPath[filename] + if !ok { + return nil, fmt.Errorf("no descriptor for generated file: %v", filename) + } + f.Generate = true + } + return gen, nil +} + +// Error records an error in code generation. The generator will report the +// error back to protoc and will not produce output. +func (gen *Plugin) Error(err error) { + if gen.err == nil { + gen.err = err + } +} + +// Response returns the generator output. +func (gen *Plugin) Response() *pluginpb.CodeGeneratorResponse { + resp := &pluginpb.CodeGeneratorResponse{} + if gen.err != nil { + resp.Error = proto.String(gen.err.Error()) + return resp + } + for _, g := range gen.genFiles { + if g.skip { + continue + } + content, err := g.Content() + if err != nil { + return &pluginpb.CodeGeneratorResponse{ + Error: proto.String(err.Error()), + } + } + filename := g.filename + if gen.module != "" { + trim := gen.module + "/" + if !strings.HasPrefix(filename, trim) { + return &pluginpb.CodeGeneratorResponse{ + Error: proto.String(fmt.Sprintf("%v: generated file does not match prefix %q", filename, gen.module)), + } + } + filename = strings.TrimPrefix(filename, trim) + } + resp.File = append(resp.File, &pluginpb.CodeGeneratorResponse_File{ + Name: proto.String(filename), + Content: proto.String(string(content)), + }) + if gen.annotateCode && strings.HasSuffix(g.filename, ".go") { + meta, err := g.metaFile(content) + if err != nil { + return &pluginpb.CodeGeneratorResponse{ + Error: proto.String(err.Error()), + } + } + resp.File = append(resp.File, &pluginpb.CodeGeneratorResponse_File{ + Name: proto.String(filename + ".meta"), + Content: proto.String(meta), + }) + } + } + if gen.SupportedFeatures > 0 { + resp.SupportedFeatures = proto.Uint64(gen.SupportedFeatures) + } + return resp +} + +// A File describes a .proto source file. +type File struct { + Desc protoreflect.FileDescriptor + Proto *descriptorpb.FileDescriptorProto + + GoDescriptorIdent GoIdent // name of Go variable for the file descriptor + GoPackageName GoPackageName // name of this file's Go package + GoImportPath GoImportPath // import path of this file's Go package + + Enums []*Enum // top-level enum declarations + Messages []*Message // top-level message declarations + Extensions []*Extension // top-level extension declarations + Services []*Service // top-level service declarations + + Generate bool // true if we should generate code for this file + + // GeneratedFilenamePrefix is used to construct filenames for generated + // files associated with this source file. + // + // For example, the source file "dir/foo.proto" might have a filename prefix + // of "dir/foo". Appending ".pb.go" produces an output file of "dir/foo.pb.go". + GeneratedFilenamePrefix string + + location Location +} + +func newFile(gen *Plugin, p *descriptorpb.FileDescriptorProto, packageName GoPackageName, importPath GoImportPath) (*File, error) { + desc, err := protodesc.NewFile(p, gen.fileReg) + if err != nil { + return nil, fmt.Errorf("invalid FileDescriptorProto %q: %v", p.GetName(), err) + } + if err := gen.fileReg.RegisterFile(desc); err != nil { + return nil, fmt.Errorf("cannot register descriptor %q: %v", p.GetName(), err) + } + f := &File{ + Desc: desc, + Proto: p, + GoPackageName: packageName, + GoImportPath: importPath, + location: Location{SourceFile: desc.Path()}, + } + + // Determine the prefix for generated Go files. + prefix := p.GetName() + if ext := path.Ext(prefix); ext == ".proto" || ext == ".protodevel" { + prefix = prefix[:len(prefix)-len(ext)] + } + switch gen.pathType { + case pathTypeImport: + // If paths=import, the output filename is derived from the Go import path. + prefix = path.Join(string(f.GoImportPath), path.Base(prefix)) + case pathTypeSourceRelative: + // If paths=source_relative, the output filename is derived from + // the input filename. + } + f.GoDescriptorIdent = GoIdent{ + GoName: "File_" + strs.GoSanitized(p.GetName()), + GoImportPath: f.GoImportPath, + } + f.GeneratedFilenamePrefix = prefix + + for i, eds := 0, desc.Enums(); i < eds.Len(); i++ { + f.Enums = append(f.Enums, newEnum(gen, f, nil, eds.Get(i))) + } + for i, mds := 0, desc.Messages(); i < mds.Len(); i++ { + f.Messages = append(f.Messages, newMessage(gen, f, nil, mds.Get(i))) + } + for i, xds := 0, desc.Extensions(); i < xds.Len(); i++ { + f.Extensions = append(f.Extensions, newField(gen, f, nil, xds.Get(i))) + } + for i, sds := 0, desc.Services(); i < sds.Len(); i++ { + f.Services = append(f.Services, newService(gen, f, sds.Get(i))) + } + for _, message := range f.Messages { + if err := message.resolveDependencies(gen); err != nil { + return nil, err + } + } + for _, extension := range f.Extensions { + if err := extension.resolveDependencies(gen); err != nil { + return nil, err + } + } + for _, service := range f.Services { + for _, method := range service.Methods { + if err := method.resolveDependencies(gen); err != nil { + return nil, err + } + } + } + return f, nil +} + +// splitImportPathAndPackageName splits off the optional Go package name +// from the Go import path when seperated by a ';' delimiter. +func splitImportPathAndPackageName(s string) (GoImportPath, GoPackageName) { + if i := strings.Index(s, ";"); i >= 0 { + return GoImportPath(s[:i]), GoPackageName(s[i+1:]) + } + return GoImportPath(s), "" +} + +// An Enum describes an enum. +type Enum struct { + Desc protoreflect.EnumDescriptor + + GoIdent GoIdent // name of the generated Go type + + Values []*EnumValue // enum value declarations + + Location Location // location of this enum + Comments CommentSet // comments associated with this enum +} + +func newEnum(gen *Plugin, f *File, parent *Message, desc protoreflect.EnumDescriptor) *Enum { + var loc Location + if parent != nil { + loc = parent.Location.appendPath(genid.DescriptorProto_EnumType_field_number, desc.Index()) + } else { + loc = f.location.appendPath(genid.FileDescriptorProto_EnumType_field_number, desc.Index()) + } + enum := &Enum{ + Desc: desc, + GoIdent: newGoIdent(f, desc), + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } + gen.enumsByName[desc.FullName()] = enum + for i, vds := 0, enum.Desc.Values(); i < vds.Len(); i++ { + enum.Values = append(enum.Values, newEnumValue(gen, f, parent, enum, vds.Get(i))) + } + return enum +} + +// An EnumValue describes an enum value. +type EnumValue struct { + Desc protoreflect.EnumValueDescriptor + + GoIdent GoIdent // name of the generated Go declaration + + Parent *Enum // enum in which this value is declared + + Location Location // location of this enum value + Comments CommentSet // comments associated with this enum value +} + +func newEnumValue(gen *Plugin, f *File, message *Message, enum *Enum, desc protoreflect.EnumValueDescriptor) *EnumValue { + // A top-level enum value's name is: EnumName_ValueName + // An enum value contained in a message is: MessageName_ValueName + // + // For historical reasons, enum value names are not camel-cased. + parentIdent := enum.GoIdent + if message != nil { + parentIdent = message.GoIdent + } + name := parentIdent.GoName + "_" + string(desc.Name()) + loc := enum.Location.appendPath(genid.EnumDescriptorProto_Value_field_number, desc.Index()) + return &EnumValue{ + Desc: desc, + GoIdent: f.GoImportPath.Ident(name), + Parent: enum, + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } +} + +// A Message describes a message. +type Message struct { + Desc protoreflect.MessageDescriptor + + GoIdent GoIdent // name of the generated Go type + + Fields []*Field // message field declarations + Oneofs []*Oneof // message oneof declarations + + Enums []*Enum // nested enum declarations + Messages []*Message // nested message declarations + Extensions []*Extension // nested extension declarations + + Location Location // location of this message + Comments CommentSet // comments associated with this message +} + +func newMessage(gen *Plugin, f *File, parent *Message, desc protoreflect.MessageDescriptor) *Message { + var loc Location + if parent != nil { + loc = parent.Location.appendPath(genid.DescriptorProto_NestedType_field_number, desc.Index()) + } else { + loc = f.location.appendPath(genid.FileDescriptorProto_MessageType_field_number, desc.Index()) + } + message := &Message{ + Desc: desc, + GoIdent: newGoIdent(f, desc), + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } + gen.messagesByName[desc.FullName()] = message + for i, eds := 0, desc.Enums(); i < eds.Len(); i++ { + message.Enums = append(message.Enums, newEnum(gen, f, message, eds.Get(i))) + } + for i, mds := 0, desc.Messages(); i < mds.Len(); i++ { + message.Messages = append(message.Messages, newMessage(gen, f, message, mds.Get(i))) + } + for i, fds := 0, desc.Fields(); i < fds.Len(); i++ { + message.Fields = append(message.Fields, newField(gen, f, message, fds.Get(i))) + } + for i, ods := 0, desc.Oneofs(); i < ods.Len(); i++ { + message.Oneofs = append(message.Oneofs, newOneof(gen, f, message, ods.Get(i))) + } + for i, xds := 0, desc.Extensions(); i < xds.Len(); i++ { + message.Extensions = append(message.Extensions, newField(gen, f, message, xds.Get(i))) + } + + // Resolve local references between fields and oneofs. + for _, field := range message.Fields { + if od := field.Desc.ContainingOneof(); od != nil { + oneof := message.Oneofs[od.Index()] + field.Oneof = oneof + oneof.Fields = append(oneof.Fields, field) + } + } + + // Field name conflict resolution. + // + // We assume well-known method names that may be attached to a generated + // message type, as well as a 'Get*' method for each field. For each + // field in turn, we add _s to its name until there are no conflicts. + // + // Any change to the following set of method names is a potential + // incompatible API change because it may change generated field names. + // + // TODO: If we ever support a 'go_name' option to set the Go name of a + // field, we should consider dropping this entirely. The conflict + // resolution algorithm is subtle and surprising (changing the order + // in which fields appear in the .proto source file can change the + // names of fields in generated code), and does not adapt well to + // adding new per-field methods such as setters. + usedNames := map[string]bool{ + "Reset": true, + "String": true, + "ProtoMessage": true, + "Marshal": true, + "Unmarshal": true, + "ExtensionRangeArray": true, + "ExtensionMap": true, + "Descriptor": true, + } + makeNameUnique := func(name string, hasGetter bool) string { + for usedNames[name] || (hasGetter && usedNames["Get"+name]) { + name += "_" + } + usedNames[name] = true + usedNames["Get"+name] = hasGetter + return name + } + for _, field := range message.Fields { + field.GoName = makeNameUnique(field.GoName, true) + field.GoIdent.GoName = message.GoIdent.GoName + "_" + field.GoName + if field.Oneof != nil && field.Oneof.Fields[0] == field { + // Make the name for a oneof unique as well. For historical reasons, + // this assumes that a getter method is not generated for oneofs. + // This is incorrect, but fixing it breaks existing code. + field.Oneof.GoName = makeNameUnique(field.Oneof.GoName, false) + field.Oneof.GoIdent.GoName = message.GoIdent.GoName + "_" + field.Oneof.GoName + } + } + + // Oneof field name conflict resolution. + // + // This conflict resolution is incomplete as it does not consider collisions + // with other oneof field types, but fixing it breaks existing code. + for _, field := range message.Fields { + if field.Oneof != nil { + Loop: + for { + for _, nestedMessage := range message.Messages { + if nestedMessage.GoIdent == field.GoIdent { + field.GoIdent.GoName += "_" + continue Loop + } + } + for _, nestedEnum := range message.Enums { + if nestedEnum.GoIdent == field.GoIdent { + field.GoIdent.GoName += "_" + continue Loop + } + } + break Loop + } + } + } + + return message +} + +func (message *Message) resolveDependencies(gen *Plugin) error { + for _, field := range message.Fields { + if err := field.resolveDependencies(gen); err != nil { + return err + } + } + for _, message := range message.Messages { + if err := message.resolveDependencies(gen); err != nil { + return err + } + } + for _, extension := range message.Extensions { + if err := extension.resolveDependencies(gen); err != nil { + return err + } + } + return nil +} + +// A Field describes a message field. +type Field struct { + Desc protoreflect.FieldDescriptor + + // GoName is the base name of this field's Go field and methods. + // For code generated by protoc-gen-go, this means a field named + // '{{GoName}}' and a getter method named 'Get{{GoName}}'. + GoName string // e.g., "FieldName" + + // GoIdent is the base name of a top-level declaration for this field. + // For code generated by protoc-gen-go, this means a wrapper type named + // '{{GoIdent}}' for members fields of a oneof, and a variable named + // 'E_{{GoIdent}}' for extension fields. + GoIdent GoIdent // e.g., "MessageName_FieldName" + + Parent *Message // message in which this field is declared; nil if top-level extension + Oneof *Oneof // containing oneof; nil if not part of a oneof + Extendee *Message // extended message for extension fields; nil otherwise + + Enum *Enum // type for enum fields; nil otherwise + Message *Message // type for message or group fields; nil otherwise + + Location Location // location of this field + Comments CommentSet // comments associated with this field +} + +func newField(gen *Plugin, f *File, message *Message, desc protoreflect.FieldDescriptor) *Field { + var loc Location + switch { + case desc.IsExtension() && message == nil: + loc = f.location.appendPath(genid.FileDescriptorProto_Extension_field_number, desc.Index()) + case desc.IsExtension() && message != nil: + loc = message.Location.appendPath(genid.DescriptorProto_Extension_field_number, desc.Index()) + default: + loc = message.Location.appendPath(genid.DescriptorProto_Field_field_number, desc.Index()) + } + camelCased := strs.GoCamelCase(string(desc.Name())) + var parentPrefix string + if message != nil { + parentPrefix = message.GoIdent.GoName + "_" + } + field := &Field{ + Desc: desc, + GoName: camelCased, + GoIdent: GoIdent{ + GoImportPath: f.GoImportPath, + GoName: parentPrefix + camelCased, + }, + Parent: message, + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } + return field +} + +func (field *Field) resolveDependencies(gen *Plugin) error { + desc := field.Desc + switch desc.Kind() { + case protoreflect.EnumKind: + name := field.Desc.Enum().FullName() + enum, ok := gen.enumsByName[name] + if !ok { + return fmt.Errorf("field %v: no descriptor for enum %v", desc.FullName(), name) + } + field.Enum = enum + case protoreflect.MessageKind, protoreflect.GroupKind: + name := desc.Message().FullName() + message, ok := gen.messagesByName[name] + if !ok { + return fmt.Errorf("field %v: no descriptor for type %v", desc.FullName(), name) + } + field.Message = message + } + if desc.IsExtension() { + name := desc.ContainingMessage().FullName() + message, ok := gen.messagesByName[name] + if !ok { + return fmt.Errorf("field %v: no descriptor for type %v", desc.FullName(), name) + } + field.Extendee = message + } + return nil +} + +// A Oneof describes a message oneof. +type Oneof struct { + Desc protoreflect.OneofDescriptor + + // GoName is the base name of this oneof's Go field and methods. + // For code generated by protoc-gen-go, this means a field named + // '{{GoName}}' and a getter method named 'Get{{GoName}}'. + GoName string // e.g., "OneofName" + + // GoIdent is the base name of a top-level declaration for this oneof. + GoIdent GoIdent // e.g., "MessageName_OneofName" + + Parent *Message // message in which this oneof is declared + + Fields []*Field // fields that are part of this oneof + + Location Location // location of this oneof + Comments CommentSet // comments associated with this oneof +} + +func newOneof(gen *Plugin, f *File, message *Message, desc protoreflect.OneofDescriptor) *Oneof { + loc := message.Location.appendPath(genid.DescriptorProto_OneofDecl_field_number, desc.Index()) + camelCased := strs.GoCamelCase(string(desc.Name())) + parentPrefix := message.GoIdent.GoName + "_" + return &Oneof{ + Desc: desc, + Parent: message, + GoName: camelCased, + GoIdent: GoIdent{ + GoImportPath: f.GoImportPath, + GoName: parentPrefix + camelCased, + }, + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } +} + +// Extension is an alias of Field for documentation. +type Extension = Field + +// A Service describes a service. +type Service struct { + Desc protoreflect.ServiceDescriptor + + GoName string + + Methods []*Method // service method declarations + + Location Location // location of this service + Comments CommentSet // comments associated with this service +} + +func newService(gen *Plugin, f *File, desc protoreflect.ServiceDescriptor) *Service { + loc := f.location.appendPath(genid.FileDescriptorProto_Service_field_number, desc.Index()) + service := &Service{ + Desc: desc, + GoName: strs.GoCamelCase(string(desc.Name())), + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } + for i, mds := 0, desc.Methods(); i < mds.Len(); i++ { + service.Methods = append(service.Methods, newMethod(gen, f, service, mds.Get(i))) + } + return service +} + +// A Method describes a method in a service. +type Method struct { + Desc protoreflect.MethodDescriptor + + GoName string + + Parent *Service // service in which this method is declared + + Input *Message + Output *Message + + Location Location // location of this method + Comments CommentSet // comments associated with this method +} + +func newMethod(gen *Plugin, f *File, service *Service, desc protoreflect.MethodDescriptor) *Method { + loc := service.Location.appendPath(genid.ServiceDescriptorProto_Method_field_number, desc.Index()) + method := &Method{ + Desc: desc, + GoName: strs.GoCamelCase(string(desc.Name())), + Parent: service, + Location: loc, + Comments: makeCommentSet(f.Desc.SourceLocations().ByDescriptor(desc)), + } + return method +} + +func (method *Method) resolveDependencies(gen *Plugin) error { + desc := method.Desc + + inName := desc.Input().FullName() + in, ok := gen.messagesByName[inName] + if !ok { + return fmt.Errorf("method %v: no descriptor for type %v", desc.FullName(), inName) + } + method.Input = in + + outName := desc.Output().FullName() + out, ok := gen.messagesByName[outName] + if !ok { + return fmt.Errorf("method %v: no descriptor for type %v", desc.FullName(), outName) + } + method.Output = out + + return nil +} + +// A GeneratedFile is a generated file. +type GeneratedFile struct { + gen *Plugin + skip bool + filename string + goImportPath GoImportPath + buf bytes.Buffer + packageNames map[GoImportPath]GoPackageName + usedPackageNames map[GoPackageName]bool + manualImports map[GoImportPath]bool + annotations map[string][]Location +} + +// NewGeneratedFile creates a new generated file with the given filename +// and import path. +func (gen *Plugin) NewGeneratedFile(filename string, goImportPath GoImportPath) *GeneratedFile { + g := &GeneratedFile{ + gen: gen, + filename: filename, + goImportPath: goImportPath, + packageNames: make(map[GoImportPath]GoPackageName), + usedPackageNames: make(map[GoPackageName]bool), + manualImports: make(map[GoImportPath]bool), + annotations: make(map[string][]Location), + } + + // All predeclared identifiers in Go are already used. + for _, s := range types.Universe.Names() { + g.usedPackageNames[GoPackageName(s)] = true + } + + gen.genFiles = append(gen.genFiles, g) + return g +} + +// P prints a line to the generated output. It converts each parameter to a +// string following the same rules as fmt.Print. It never inserts spaces +// between parameters. +func (g *GeneratedFile) P(v ...interface{}) { + for _, x := range v { + switch x := x.(type) { + case GoIdent: + fmt.Fprint(&g.buf, g.QualifiedGoIdent(x)) + default: + fmt.Fprint(&g.buf, x) + } + } + fmt.Fprintln(&g.buf) +} + +// QualifiedGoIdent returns the string to use for a Go identifier. +// +// If the identifier is from a different Go package than the generated file, +// the returned name will be qualified (package.name) and an import statement +// for the identifier's package will be included in the file. +func (g *GeneratedFile) QualifiedGoIdent(ident GoIdent) string { + if ident.GoImportPath == g.goImportPath { + return ident.GoName + } + if packageName, ok := g.packageNames[ident.GoImportPath]; ok { + return string(packageName) + "." + ident.GoName + } + packageName := cleanPackageName(path.Base(string(ident.GoImportPath))) + for i, orig := 1, packageName; g.usedPackageNames[packageName]; i++ { + packageName = orig + GoPackageName(strconv.Itoa(i)) + } + g.packageNames[ident.GoImportPath] = packageName + g.usedPackageNames[packageName] = true + return string(packageName) + "." + ident.GoName +} + +// Import ensures a package is imported by the generated file. +// +// Packages referenced by QualifiedGoIdent are automatically imported. +// Explicitly importing a package with Import is generally only necessary +// when the import will be blank (import _ "package"). +func (g *GeneratedFile) Import(importPath GoImportPath) { + g.manualImports[importPath] = true +} + +// Write implements io.Writer. +func (g *GeneratedFile) Write(p []byte) (n int, err error) { + return g.buf.Write(p) +} + +// Skip removes the generated file from the plugin output. +func (g *GeneratedFile) Skip() { + g.skip = true +} + +// Unskip reverts a previous call to Skip, re-including the generated file in +// the plugin output. +func (g *GeneratedFile) Unskip() { + g.skip = false +} + +// Annotate associates a symbol in a generated Go file with a location in a +// source .proto file. +// +// The symbol may refer to a type, constant, variable, function, method, or +// struct field. The "T.sel" syntax is used to identify the method or field +// 'sel' on type 'T'. +func (g *GeneratedFile) Annotate(symbol string, loc Location) { + g.annotations[symbol] = append(g.annotations[symbol], loc) +} + +// Content returns the contents of the generated file. +func (g *GeneratedFile) Content() ([]byte, error) { + if !strings.HasSuffix(g.filename, ".go") { + return g.buf.Bytes(), nil + } + + // Reformat generated code. + original := g.buf.Bytes() + fset := token.NewFileSet() + file, err := parser.ParseFile(fset, "", original, parser.ParseComments) + if err != nil { + // Print out the bad code with line numbers. + // This should never happen in practice, but it can while changing generated code + // so consider this a debugging aid. + var src bytes.Buffer + s := bufio.NewScanner(bytes.NewReader(original)) + for line := 1; s.Scan(); line++ { + fmt.Fprintf(&src, "%5d\t%s\n", line, s.Bytes()) + } + return nil, fmt.Errorf("%v: unparsable Go source: %v\n%v", g.filename, err, src.String()) + } + + // Collect a sorted list of all imports. + var importPaths [][2]string + rewriteImport := func(importPath string) string { + if f := g.gen.opts.ImportRewriteFunc; f != nil { + return string(f(GoImportPath(importPath))) + } + return importPath + } + for importPath := range g.packageNames { + pkgName := string(g.packageNames[GoImportPath(importPath)]) + pkgPath := rewriteImport(string(importPath)) + importPaths = append(importPaths, [2]string{pkgName, pkgPath}) + } + for importPath := range g.manualImports { + if _, ok := g.packageNames[importPath]; !ok { + pkgPath := rewriteImport(string(importPath)) + importPaths = append(importPaths, [2]string{"_", pkgPath}) + } + } + sort.Slice(importPaths, func(i, j int) bool { + return importPaths[i][1] < importPaths[j][1] + }) + + // Modify the AST to include a new import block. + if len(importPaths) > 0 { + // Insert block after package statement or + // possible comment attached to the end of the package statement. + pos := file.Package + tokFile := fset.File(file.Package) + pkgLine := tokFile.Line(file.Package) + for _, c := range file.Comments { + if tokFile.Line(c.Pos()) > pkgLine { + break + } + pos = c.End() + } + + // Construct the import block. + impDecl := &ast.GenDecl{ + Tok: token.IMPORT, + TokPos: pos, + Lparen: pos, + Rparen: pos, + } + for _, importPath := range importPaths { + impDecl.Specs = append(impDecl.Specs, &ast.ImportSpec{ + Name: &ast.Ident{ + Name: importPath[0], + NamePos: pos, + }, + Path: &ast.BasicLit{ + Kind: token.STRING, + Value: strconv.Quote(importPath[1]), + ValuePos: pos, + }, + EndPos: pos, + }) + } + file.Decls = append([]ast.Decl{impDecl}, file.Decls...) + } + + var out bytes.Buffer + if err = (&printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8}).Fprint(&out, fset, file); err != nil { + return nil, fmt.Errorf("%v: can not reformat Go source: %v", g.filename, err) + } + return out.Bytes(), nil +} + +// metaFile returns the contents of the file's metadata file, which is a +// text formatted string of the google.protobuf.GeneratedCodeInfo. +func (g *GeneratedFile) metaFile(content []byte) (string, error) { + fset := token.NewFileSet() + astFile, err := parser.ParseFile(fset, "", content, 0) + if err != nil { + return "", err + } + info := &descriptorpb.GeneratedCodeInfo{} + + seenAnnotations := make(map[string]bool) + annotate := func(s string, ident *ast.Ident) { + seenAnnotations[s] = true + for _, loc := range g.annotations[s] { + info.Annotation = append(info.Annotation, &descriptorpb.GeneratedCodeInfo_Annotation{ + SourceFile: proto.String(loc.SourceFile), + Path: loc.Path, + Begin: proto.Int32(int32(fset.Position(ident.Pos()).Offset)), + End: proto.Int32(int32(fset.Position(ident.End()).Offset)), + }) + } + } + for _, decl := range astFile.Decls { + switch decl := decl.(type) { + case *ast.GenDecl: + for _, spec := range decl.Specs { + switch spec := spec.(type) { + case *ast.TypeSpec: + annotate(spec.Name.Name, spec.Name) + switch st := spec.Type.(type) { + case *ast.StructType: + for _, field := range st.Fields.List { + for _, name := range field.Names { + annotate(spec.Name.Name+"."+name.Name, name) + } + } + case *ast.InterfaceType: + for _, field := range st.Methods.List { + for _, name := range field.Names { + annotate(spec.Name.Name+"."+name.Name, name) + } + } + } + case *ast.ValueSpec: + for _, name := range spec.Names { + annotate(name.Name, name) + } + } + } + case *ast.FuncDecl: + if decl.Recv == nil { + annotate(decl.Name.Name, decl.Name) + } else { + recv := decl.Recv.List[0].Type + if s, ok := recv.(*ast.StarExpr); ok { + recv = s.X + } + if id, ok := recv.(*ast.Ident); ok { + annotate(id.Name+"."+decl.Name.Name, decl.Name) + } + } + } + } + for a := range g.annotations { + if !seenAnnotations[a] { + return "", fmt.Errorf("%v: no symbol matching annotation %q", g.filename, a) + } + } + + b, err := prototext.Marshal(info) + if err != nil { + return "", err + } + return string(b), nil +} + +// A GoIdent is a Go identifier, consisting of a name and import path. +// The name is a single identifier and may not be a dot-qualified selector. +type GoIdent struct { + GoName string + GoImportPath GoImportPath +} + +func (id GoIdent) String() string { return fmt.Sprintf("%q.%v", id.GoImportPath, id.GoName) } + +// newGoIdent returns the Go identifier for a descriptor. +func newGoIdent(f *File, d protoreflect.Descriptor) GoIdent { + name := strings.TrimPrefix(string(d.FullName()), string(f.Desc.Package())+".") + return GoIdent{ + GoName: strs.GoCamelCase(name), + GoImportPath: f.GoImportPath, + } +} + +// A GoImportPath is the import path of a Go package. +// For example: "google.golang.org/protobuf/compiler/protogen" +type GoImportPath string + +func (p GoImportPath) String() string { return strconv.Quote(string(p)) } + +// Ident returns a GoIdent with s as the GoName and p as the GoImportPath. +func (p GoImportPath) Ident(s string) GoIdent { + return GoIdent{GoName: s, GoImportPath: p} +} + +// A GoPackageName is the name of a Go package. e.g., "protobuf". +type GoPackageName string + +// cleanPackageName converts a string to a valid Go package name. +func cleanPackageName(name string) GoPackageName { + return GoPackageName(strs.GoSanitized(name)) +} + +type pathType int + +const ( + pathTypeImport pathType = iota + pathTypeSourceRelative +) + +// A Location is a location in a .proto source file. +// +// See the google.protobuf.SourceCodeInfo documentation in descriptor.proto +// for details. +type Location struct { + SourceFile string + Path protoreflect.SourcePath +} + +// appendPath add elements to a Location's path, returning a new Location. +func (loc Location) appendPath(num protoreflect.FieldNumber, idx int) Location { + loc.Path = append(protoreflect.SourcePath(nil), loc.Path...) // make copy + loc.Path = append(loc.Path, int32(num), int32(idx)) + return loc +} + +// CommentSet is a set of leading and trailing comments associated +// with a .proto descriptor declaration. +type CommentSet struct { + LeadingDetached []Comments + Leading Comments + Trailing Comments +} + +func makeCommentSet(loc protoreflect.SourceLocation) CommentSet { + var leadingDetached []Comments + for _, s := range loc.LeadingDetachedComments { + leadingDetached = append(leadingDetached, Comments(s)) + } + return CommentSet{ + LeadingDetached: leadingDetached, + Leading: Comments(loc.LeadingComments), + Trailing: Comments(loc.TrailingComments), + } +} + +// Comments is a comments string as provided by protoc. +type Comments string + +// String formats the comments by inserting // to the start of each line, +// ensuring that there is a trailing newline. +// An empty comment is formatted as an empty string. +func (c Comments) String() string { + if c == "" { + return "" + } + var b []byte + for _, line := range strings.Split(strings.TrimSuffix(string(c), "\n"), "\n") { + b = append(b, "//"...) + b = append(b, line...) + b = append(b, "\n"...) + } + return string(b) +} diff --git a/vendor/google.golang.org/protobuf/types/pluginpb/plugin.pb.go b/vendor/google.golang.org/protobuf/types/pluginpb/plugin.pb.go new file mode 100644 index 000000000..e511ad6f7 --- /dev/null +++ b/vendor/google.golang.org/protobuf/types/pluginpb/plugin.pb.go @@ -0,0 +1,653 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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. + +// Author: kenton@google.com (Kenton Varda) +// +// WARNING: The plugin interface is currently EXPERIMENTAL and is subject to +// change. +// +// protoc (aka the Protocol Compiler) can be extended via plugins. A plugin is +// just a program that reads a CodeGeneratorRequest from stdin and writes a +// CodeGeneratorResponse to stdout. +// +// Plugins written using C++ can use google/protobuf/compiler/plugin.h instead +// of dealing with the raw protocol defined here. +// +// A plugin executable needs only to be placed somewhere in the path. The +// plugin should be named "protoc-gen-$NAME", and will then be used when the +// flag "--${NAME}_out" is passed to protoc. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// source: google/protobuf/compiler/plugin.proto + +package pluginpb + +import ( + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + descriptorpb "google.golang.org/protobuf/types/descriptorpb" + reflect "reflect" + sync "sync" +) + +// Sync with code_generator.h. +type CodeGeneratorResponse_Feature int32 + +const ( + CodeGeneratorResponse_FEATURE_NONE CodeGeneratorResponse_Feature = 0 + CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL CodeGeneratorResponse_Feature = 1 +) + +// Enum value maps for CodeGeneratorResponse_Feature. +var ( + CodeGeneratorResponse_Feature_name = map[int32]string{ + 0: "FEATURE_NONE", + 1: "FEATURE_PROTO3_OPTIONAL", + } + CodeGeneratorResponse_Feature_value = map[string]int32{ + "FEATURE_NONE": 0, + "FEATURE_PROTO3_OPTIONAL": 1, + } +) + +func (x CodeGeneratorResponse_Feature) Enum() *CodeGeneratorResponse_Feature { + p := new(CodeGeneratorResponse_Feature) + *p = x + return p +} + +func (x CodeGeneratorResponse_Feature) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (CodeGeneratorResponse_Feature) Descriptor() protoreflect.EnumDescriptor { + return file_google_protobuf_compiler_plugin_proto_enumTypes[0].Descriptor() +} + +func (CodeGeneratorResponse_Feature) Type() protoreflect.EnumType { + return &file_google_protobuf_compiler_plugin_proto_enumTypes[0] +} + +func (x CodeGeneratorResponse_Feature) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Do not use. +func (x *CodeGeneratorResponse_Feature) UnmarshalJSON(b []byte) error { + num, err := protoimpl.X.UnmarshalJSONEnum(x.Descriptor(), b) + if err != nil { + return err + } + *x = CodeGeneratorResponse_Feature(num) + return nil +} + +// Deprecated: Use CodeGeneratorResponse_Feature.Descriptor instead. +func (CodeGeneratorResponse_Feature) EnumDescriptor() ([]byte, []int) { + return file_google_protobuf_compiler_plugin_proto_rawDescGZIP(), []int{2, 0} +} + +// The version number of protocol compiler. +type Version struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Major *int32 `protobuf:"varint,1,opt,name=major" json:"major,omitempty"` + Minor *int32 `protobuf:"varint,2,opt,name=minor" json:"minor,omitempty"` + Patch *int32 `protobuf:"varint,3,opt,name=patch" json:"patch,omitempty"` + // A suffix for alpha, beta or rc release, e.g., "alpha-1", "rc2". It should + // be empty for mainline stable releases. + Suffix *string `protobuf:"bytes,4,opt,name=suffix" json:"suffix,omitempty"` +} + +func (x *Version) Reset() { + *x = Version{} + if protoimpl.UnsafeEnabled { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Version) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Version) ProtoMessage() {} + +func (x *Version) ProtoReflect() protoreflect.Message { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use Version.ProtoReflect.Descriptor instead. +func (*Version) Descriptor() ([]byte, []int) { + return file_google_protobuf_compiler_plugin_proto_rawDescGZIP(), []int{0} +} + +func (x *Version) GetMajor() int32 { + if x != nil && x.Major != nil { + return *x.Major + } + return 0 +} + +func (x *Version) GetMinor() int32 { + if x != nil && x.Minor != nil { + return *x.Minor + } + return 0 +} + +func (x *Version) GetPatch() int32 { + if x != nil && x.Patch != nil { + return *x.Patch + } + return 0 +} + +func (x *Version) GetSuffix() string { + if x != nil && x.Suffix != nil { + return *x.Suffix + } + return "" +} + +// An encoded CodeGeneratorRequest is written to the plugin's stdin. +type CodeGeneratorRequest struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The .proto files that were explicitly listed on the command-line. The + // code generator should generate code only for these files. Each file's + // descriptor will be included in proto_file, below. + FileToGenerate []string `protobuf:"bytes,1,rep,name=file_to_generate,json=fileToGenerate" json:"file_to_generate,omitempty"` + // The generator parameter passed on the command-line. + Parameter *string `protobuf:"bytes,2,opt,name=parameter" json:"parameter,omitempty"` + // FileDescriptorProtos for all files in files_to_generate and everything + // they import. The files will appear in topological order, so each file + // appears before any file that imports it. + // + // protoc guarantees that all proto_files will be written after + // the fields above, even though this is not technically guaranteed by the + // protobuf wire format. This theoretically could allow a plugin to stream + // in the FileDescriptorProtos and handle them one by one rather than read + // the entire set into memory at once. However, as of this writing, this + // is not similarly optimized on protoc's end -- it will store all fields in + // memory at once before sending them to the plugin. + // + // Type names of fields and extensions in the FileDescriptorProto are always + // fully qualified. + ProtoFile []*descriptorpb.FileDescriptorProto `protobuf:"bytes,15,rep,name=proto_file,json=protoFile" json:"proto_file,omitempty"` + // The version number of protocol compiler. + CompilerVersion *Version `protobuf:"bytes,3,opt,name=compiler_version,json=compilerVersion" json:"compiler_version,omitempty"` +} + +func (x *CodeGeneratorRequest) Reset() { + *x = CodeGeneratorRequest{} + if protoimpl.UnsafeEnabled { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *CodeGeneratorRequest) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*CodeGeneratorRequest) ProtoMessage() {} + +func (x *CodeGeneratorRequest) ProtoReflect() protoreflect.Message { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[1] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use CodeGeneratorRequest.ProtoReflect.Descriptor instead. +func (*CodeGeneratorRequest) Descriptor() ([]byte, []int) { + return file_google_protobuf_compiler_plugin_proto_rawDescGZIP(), []int{1} +} + +func (x *CodeGeneratorRequest) GetFileToGenerate() []string { + if x != nil { + return x.FileToGenerate + } + return nil +} + +func (x *CodeGeneratorRequest) GetParameter() string { + if x != nil && x.Parameter != nil { + return *x.Parameter + } + return "" +} + +func (x *CodeGeneratorRequest) GetProtoFile() []*descriptorpb.FileDescriptorProto { + if x != nil { + return x.ProtoFile + } + return nil +} + +func (x *CodeGeneratorRequest) GetCompilerVersion() *Version { + if x != nil { + return x.CompilerVersion + } + return nil +} + +// The plugin writes an encoded CodeGeneratorResponse to stdout. +type CodeGeneratorResponse struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Error message. If non-empty, code generation failed. The plugin process + // should exit with status code zero even if it reports an error in this way. + // + // This should be used to indicate errors in .proto files which prevent the + // code generator from generating correct code. Errors which indicate a + // problem in protoc itself -- such as the input CodeGeneratorRequest being + // unparseable -- should be reported by writing a message to stderr and + // exiting with a non-zero status code. + Error *string `protobuf:"bytes,1,opt,name=error" json:"error,omitempty"` + // A bitmask of supported features that the code generator supports. + // This is a bitwise "or" of values from the Feature enum. + SupportedFeatures *uint64 `protobuf:"varint,2,opt,name=supported_features,json=supportedFeatures" json:"supported_features,omitempty"` + File []*CodeGeneratorResponse_File `protobuf:"bytes,15,rep,name=file" json:"file,omitempty"` +} + +func (x *CodeGeneratorResponse) Reset() { + *x = CodeGeneratorResponse{} + if protoimpl.UnsafeEnabled { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *CodeGeneratorResponse) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*CodeGeneratorResponse) ProtoMessage() {} + +func (x *CodeGeneratorResponse) ProtoReflect() protoreflect.Message { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[2] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use CodeGeneratorResponse.ProtoReflect.Descriptor instead. +func (*CodeGeneratorResponse) Descriptor() ([]byte, []int) { + return file_google_protobuf_compiler_plugin_proto_rawDescGZIP(), []int{2} +} + +func (x *CodeGeneratorResponse) GetError() string { + if x != nil && x.Error != nil { + return *x.Error + } + return "" +} + +func (x *CodeGeneratorResponse) GetSupportedFeatures() uint64 { + if x != nil && x.SupportedFeatures != nil { + return *x.SupportedFeatures + } + return 0 +} + +func (x *CodeGeneratorResponse) GetFile() []*CodeGeneratorResponse_File { + if x != nil { + return x.File + } + return nil +} + +// Represents a single generated file. +type CodeGeneratorResponse_File struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The file name, relative to the output directory. The name must not + // contain "." or ".." components and must be relative, not be absolute (so, + // the file cannot lie outside the output directory). "/" must be used as + // the path separator, not "\". + // + // If the name is omitted, the content will be appended to the previous + // file. This allows the generator to break large files into small chunks, + // and allows the generated text to be streamed back to protoc so that large + // files need not reside completely in memory at one time. Note that as of + // this writing protoc does not optimize for this -- it will read the entire + // CodeGeneratorResponse before writing files to disk. + Name *string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"` + // If non-empty, indicates that the named file should already exist, and the + // content here is to be inserted into that file at a defined insertion + // point. This feature allows a code generator to extend the output + // produced by another code generator. The original generator may provide + // insertion points by placing special annotations in the file that look + // like: + // @@protoc_insertion_point(NAME) + // The annotation can have arbitrary text before and after it on the line, + // which allows it to be placed in a comment. NAME should be replaced with + // an identifier naming the point -- this is what other generators will use + // as the insertion_point. Code inserted at this point will be placed + // immediately above the line containing the insertion point (thus multiple + // insertions to the same point will come out in the order they were added). + // The double-@ is intended to make it unlikely that the generated code + // could contain things that look like insertion points by accident. + // + // For example, the C++ code generator places the following line in the + // .pb.h files that it generates: + // // @@protoc_insertion_point(namespace_scope) + // This line appears within the scope of the file's package namespace, but + // outside of any particular class. Another plugin can then specify the + // insertion_point "namespace_scope" to generate additional classes or + // other declarations that should be placed in this scope. + // + // Note that if the line containing the insertion point begins with + // whitespace, the same whitespace will be added to every line of the + // inserted text. This is useful for languages like Python, where + // indentation matters. In these languages, the insertion point comment + // should be indented the same amount as any inserted code will need to be + // in order to work correctly in that context. + // + // The code generator that generates the initial file and the one which + // inserts into it must both run as part of a single invocation of protoc. + // Code generators are executed in the order in which they appear on the + // command line. + // + // If |insertion_point| is present, |name| must also be present. + InsertionPoint *string `protobuf:"bytes,2,opt,name=insertion_point,json=insertionPoint" json:"insertion_point,omitempty"` + // The file contents. + Content *string `protobuf:"bytes,15,opt,name=content" json:"content,omitempty"` + // Information describing the file content being inserted. If an insertion + // point is used, this information will be appropriately offset and inserted + // into the code generation metadata for the generated files. + GeneratedCodeInfo *descriptorpb.GeneratedCodeInfo `protobuf:"bytes,16,opt,name=generated_code_info,json=generatedCodeInfo" json:"generated_code_info,omitempty"` +} + +func (x *CodeGeneratorResponse_File) Reset() { + *x = CodeGeneratorResponse_File{} + if protoimpl.UnsafeEnabled { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *CodeGeneratorResponse_File) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*CodeGeneratorResponse_File) ProtoMessage() {} + +func (x *CodeGeneratorResponse_File) ProtoReflect() protoreflect.Message { + mi := &file_google_protobuf_compiler_plugin_proto_msgTypes[3] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use CodeGeneratorResponse_File.ProtoReflect.Descriptor instead. +func (*CodeGeneratorResponse_File) Descriptor() ([]byte, []int) { + return file_google_protobuf_compiler_plugin_proto_rawDescGZIP(), []int{2, 0} +} + +func (x *CodeGeneratorResponse_File) GetName() string { + if x != nil && x.Name != nil { + return *x.Name + } + return "" +} + +func (x *CodeGeneratorResponse_File) GetInsertionPoint() string { + if x != nil && x.InsertionPoint != nil { + return *x.InsertionPoint + } + return "" +} + +func (x *CodeGeneratorResponse_File) GetContent() string { + if x != nil && x.Content != nil { + return *x.Content + } + return "" +} + +func (x *CodeGeneratorResponse_File) GetGeneratedCodeInfo() *descriptorpb.GeneratedCodeInfo { + if x != nil { + return x.GeneratedCodeInfo + } + return nil +} + +var File_google_protobuf_compiler_plugin_proto protoreflect.FileDescriptor + 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file_google_protobuf_compiler_plugin_proto_rawDesc +) + +func file_google_protobuf_compiler_plugin_proto_rawDescGZIP() []byte { + file_google_protobuf_compiler_plugin_proto_rawDescOnce.Do(func() { + file_google_protobuf_compiler_plugin_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_compiler_plugin_proto_rawDescData) + }) + return file_google_protobuf_compiler_plugin_proto_rawDescData +} + +var file_google_protobuf_compiler_plugin_proto_enumTypes = make([]protoimpl.EnumInfo, 1) +var file_google_protobuf_compiler_plugin_proto_msgTypes = make([]protoimpl.MessageInfo, 4) +var file_google_protobuf_compiler_plugin_proto_goTypes = []interface{}{ + (CodeGeneratorResponse_Feature)(0), // 0: google.protobuf.compiler.CodeGeneratorResponse.Feature + (*Version)(nil), // 1: google.protobuf.compiler.Version + (*CodeGeneratorRequest)(nil), // 2: google.protobuf.compiler.CodeGeneratorRequest + (*CodeGeneratorResponse)(nil), // 3: google.protobuf.compiler.CodeGeneratorResponse + (*CodeGeneratorResponse_File)(nil), // 4: google.protobuf.compiler.CodeGeneratorResponse.File + (*descriptorpb.FileDescriptorProto)(nil), // 5: google.protobuf.FileDescriptorProto + (*descriptorpb.GeneratedCodeInfo)(nil), // 6: google.protobuf.GeneratedCodeInfo +} +var file_google_protobuf_compiler_plugin_proto_depIdxs = []int32{ + 5, // 0: google.protobuf.compiler.CodeGeneratorRequest.proto_file:type_name -> google.protobuf.FileDescriptorProto + 1, // 1: google.protobuf.compiler.CodeGeneratorRequest.compiler_version:type_name -> google.protobuf.compiler.Version + 4, // 2: google.protobuf.compiler.CodeGeneratorResponse.file:type_name -> google.protobuf.compiler.CodeGeneratorResponse.File + 6, // 3: google.protobuf.compiler.CodeGeneratorResponse.File.generated_code_info:type_name -> google.protobuf.GeneratedCodeInfo + 4, // [4:4] is the sub-list for method output_type + 4, // [4:4] is the sub-list for method input_type + 4, // [4:4] is the sub-list for extension type_name + 4, // [4:4] is the sub-list for extension extendee + 0, // [0:4] is the sub-list for field type_name +} + +func init() { file_google_protobuf_compiler_plugin_proto_init() } +func file_google_protobuf_compiler_plugin_proto_init() { + if File_google_protobuf_compiler_plugin_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_google_protobuf_compiler_plugin_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Version); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_google_protobuf_compiler_plugin_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*CodeGeneratorRequest); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_google_protobuf_compiler_plugin_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*CodeGeneratorResponse); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_google_protobuf_compiler_plugin_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*CodeGeneratorResponse_File); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_google_protobuf_compiler_plugin_proto_rawDesc, + NumEnums: 1, + NumMessages: 4, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_google_protobuf_compiler_plugin_proto_goTypes, + DependencyIndexes: file_google_protobuf_compiler_plugin_proto_depIdxs, + EnumInfos: file_google_protobuf_compiler_plugin_proto_enumTypes, + MessageInfos: file_google_protobuf_compiler_plugin_proto_msgTypes, + }.Build() + File_google_protobuf_compiler_plugin_proto = out.File + file_google_protobuf_compiler_plugin_proto_rawDesc = nil + file_google_protobuf_compiler_plugin_proto_goTypes = nil + file_google_protobuf_compiler_plugin_proto_depIdxs = nil +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 1ad49c9a2..8382b0b20 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -544,6 +544,7 @@ google.golang.org/grpc/status google.golang.org/grpc/tap # google.golang.org/protobuf v1.27.1 ## explicit +google.golang.org/protobuf/compiler/protogen google.golang.org/protobuf/encoding/protojson google.golang.org/protobuf/encoding/prototext google.golang.org/protobuf/encoding/protowire @@ -577,6 +578,7 @@ google.golang.org/protobuf/types/known/anypb google.golang.org/protobuf/types/known/durationpb google.golang.org/protobuf/types/known/timestamppb google.golang.org/protobuf/types/known/wrapperspb +google.golang.org/protobuf/types/pluginpb # gopkg.in/inf.v0 v0.9.1 gopkg.in/inf.v0 # gopkg.in/square/go-jose.v2 v2.5.1