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// Copyright 2019 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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package filedesc |
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import ( |
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"reflect" |
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"sync" |
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"google.golang.org/protobuf/encoding/protowire" |
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"google.golang.org/protobuf/internal/descopts" |
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"google.golang.org/protobuf/internal/genid" |
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"google.golang.org/protobuf/internal/strs" |
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"google.golang.org/protobuf/proto" |
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pref "google.golang.org/protobuf/reflect/protoreflect" |
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) |
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func (fd *File) lazyRawInit() { |
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fd.unmarshalFull(fd.builder.RawDescriptor) |
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fd.resolveMessages() |
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fd.resolveExtensions() |
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fd.resolveServices() |
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} |
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func (file *File) resolveMessages() { |
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var depIdx int32 |
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for i := range file.allMessages { |
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md := &file.allMessages[i] |
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// Resolve message field dependencies. |
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for j := range md.L2.Fields.List { |
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fd := &md.L2.Fields.List[j] |
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// Weak fields are resolved upon actual use. |
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if fd.L1.IsWeak { |
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continue |
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} |
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// Resolve message field dependency. |
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switch fd.L1.Kind { |
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case pref.EnumKind: |
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fd.L1.Enum = file.resolveEnumDependency(fd.L1.Enum, listFieldDeps, depIdx) |
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depIdx++ |
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case pref.MessageKind, pref.GroupKind: |
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fd.L1.Message = file.resolveMessageDependency(fd.L1.Message, listFieldDeps, depIdx) |
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depIdx++ |
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} |
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// Default is resolved here since it depends on Enum being resolved. |
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if v := fd.L1.Default.val; v.IsValid() { |
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fd.L1.Default = unmarshalDefault(v.Bytes(), fd.L1.Kind, file, fd.L1.Enum) |
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} |
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} |
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} |
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} |
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func (file *File) resolveExtensions() { |
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var depIdx int32 |
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for i := range file.allExtensions { |
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xd := &file.allExtensions[i] |
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// Resolve extension field dependency. |
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switch xd.L1.Kind { |
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case pref.EnumKind: |
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xd.L2.Enum = file.resolveEnumDependency(xd.L2.Enum, listExtDeps, depIdx) |
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depIdx++ |
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case pref.MessageKind, pref.GroupKind: |
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xd.L2.Message = file.resolveMessageDependency(xd.L2.Message, listExtDeps, depIdx) |
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depIdx++ |
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} |
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// Default is resolved here since it depends on Enum being resolved. |
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if v := xd.L2.Default.val; v.IsValid() { |
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xd.L2.Default = unmarshalDefault(v.Bytes(), xd.L1.Kind, file, xd.L2.Enum) |
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} |
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} |
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} |
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func (file *File) resolveServices() { |
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var depIdx int32 |
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for i := range file.allServices { |
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sd := &file.allServices[i] |
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// Resolve method dependencies. |
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for j := range sd.L2.Methods.List { |
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md := &sd.L2.Methods.List[j] |
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md.L1.Input = file.resolveMessageDependency(md.L1.Input, listMethInDeps, depIdx) |
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md.L1.Output = file.resolveMessageDependency(md.L1.Output, listMethOutDeps, depIdx) |
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depIdx++ |
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} |
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} |
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} |
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func (file *File) resolveEnumDependency(ed pref.EnumDescriptor, i, j int32) pref.EnumDescriptor { |
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r := file.builder.FileRegistry |
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if r, ok := r.(resolverByIndex); ok { |
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if ed2 := r.FindEnumByIndex(i, j, file.allEnums, file.allMessages); ed2 != nil { |
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return ed2 |
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} |
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} |
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for i := range file.allEnums { |
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if ed2 := &file.allEnums[i]; ed2.L0.FullName == ed.FullName() { |
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return ed2 |
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} |
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} |
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if d, _ := r.FindDescriptorByName(ed.FullName()); d != nil { |
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return d.(pref.EnumDescriptor) |
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} |
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return ed |
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} |
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func (file *File) resolveMessageDependency(md pref.MessageDescriptor, i, j int32) pref.MessageDescriptor { |
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r := file.builder.FileRegistry |
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if r, ok := r.(resolverByIndex); ok { |
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if md2 := r.FindMessageByIndex(i, j, file.allEnums, file.allMessages); md2 != nil { |
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return md2 |
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} |
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} |
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for i := range file.allMessages { |
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if md2 := &file.allMessages[i]; md2.L0.FullName == md.FullName() { |
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return md2 |
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} |
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} |
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if d, _ := r.FindDescriptorByName(md.FullName()); d != nil { |
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return d.(pref.MessageDescriptor) |
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} |
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return md |
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} |
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func (fd *File) unmarshalFull(b []byte) { |
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sb := getBuilder() |
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defer putBuilder(sb) |
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var enumIdx, messageIdx, extensionIdx, serviceIdx int |
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var rawOptions []byte |
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fd.L2 = new(FileL2) |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.VarintType: |
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v, m := protowire.ConsumeVarint(b) |
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b = b[m:] |
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switch num { |
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case genid.FileDescriptorProto_PublicDependency_field_number: |
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fd.L2.Imports[v].IsPublic = true |
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case genid.FileDescriptorProto_WeakDependency_field_number: |
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fd.L2.Imports[v].IsWeak = true |
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} |
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case protowire.BytesType: |
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v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
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switch num { |
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case genid.FileDescriptorProto_Dependency_field_number: |
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path := sb.MakeString(v) |
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imp, _ := fd.builder.FileRegistry.FindFileByPath(path) |
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if imp == nil { |
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imp = PlaceholderFile(path) |
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} |
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fd.L2.Imports = append(fd.L2.Imports, pref.FileImport{FileDescriptor: imp}) |
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case genid.FileDescriptorProto_EnumType_field_number: |
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fd.L1.Enums.List[enumIdx].unmarshalFull(v, sb) |
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enumIdx++ |
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case genid.FileDescriptorProto_MessageType_field_number: |
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fd.L1.Messages.List[messageIdx].unmarshalFull(v, sb) |
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messageIdx++ |
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case genid.FileDescriptorProto_Extension_field_number: |
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fd.L1.Extensions.List[extensionIdx].unmarshalFull(v, sb) |
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extensionIdx++ |
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case genid.FileDescriptorProto_Service_field_number: |
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fd.L1.Services.List[serviceIdx].unmarshalFull(v, sb) |
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serviceIdx++ |
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case genid.FileDescriptorProto_Options_field_number: |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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fd.L2.Options = fd.builder.optionsUnmarshaler(&descopts.File, rawOptions) |
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} |
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func (ed *Enum) unmarshalFull(b []byte, sb *strs.Builder) { |
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var rawValues [][]byte |
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var rawOptions []byte |
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if !ed.L1.eagerValues { |
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ed.L2 = new(EnumL2) |
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} |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.BytesType: |
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v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
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switch num { |
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case genid.EnumDescriptorProto_Value_field_number: |
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rawValues = append(rawValues, v) |
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case genid.EnumDescriptorProto_ReservedName_field_number: |
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ed.L2.ReservedNames.List = append(ed.L2.ReservedNames.List, pref.Name(sb.MakeString(v))) |
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case genid.EnumDescriptorProto_ReservedRange_field_number: |
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ed.L2.ReservedRanges.List = append(ed.L2.ReservedRanges.List, unmarshalEnumReservedRange(v)) |
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case genid.EnumDescriptorProto_Options_field_number: |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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if !ed.L1.eagerValues && len(rawValues) > 0 { |
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ed.L2.Values.List = make([]EnumValue, len(rawValues)) |
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for i, b := range rawValues { |
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ed.L2.Values.List[i].unmarshalFull(b, sb, ed.L0.ParentFile, ed, i) |
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} |
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} |
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ed.L2.Options = ed.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Enum, rawOptions) |
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} |
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func unmarshalEnumReservedRange(b []byte) (r [2]pref.EnumNumber) { |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.VarintType: |
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v, m := protowire.ConsumeVarint(b) |
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b = b[m:] |
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switch num { |
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case genid.EnumDescriptorProto_EnumReservedRange_Start_field_number: |
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r[0] = pref.EnumNumber(v) |
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case genid.EnumDescriptorProto_EnumReservedRange_End_field_number: |
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r[1] = pref.EnumNumber(v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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return r |
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} |
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func (vd *EnumValue) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
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vd.L0.ParentFile = pf |
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vd.L0.Parent = pd |
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vd.L0.Index = i |
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var rawOptions []byte |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.VarintType: |
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v, m := protowire.ConsumeVarint(b) |
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b = b[m:] |
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switch num { |
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case genid.EnumValueDescriptorProto_Number_field_number: |
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vd.L1.Number = pref.EnumNumber(v) |
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} |
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case protowire.BytesType: |
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v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
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switch num { |
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case genid.EnumValueDescriptorProto_Name_field_number: |
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// NOTE: Enum values are in the same scope as the enum parent. |
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vd.L0.FullName = appendFullName(sb, pd.Parent().FullName(), v) |
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case genid.EnumValueDescriptorProto_Options_field_number: |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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vd.L1.Options = pf.builder.optionsUnmarshaler(&descopts.EnumValue, rawOptions) |
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} |
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func (md *Message) unmarshalFull(b []byte, sb *strs.Builder) { |
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var rawFields, rawOneofs [][]byte |
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var enumIdx, messageIdx, extensionIdx int |
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var rawOptions []byte |
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md.L2 = new(MessageL2) |
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for len(b) > 0 { |
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num, typ, n := protowire.ConsumeTag(b) |
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b = b[n:] |
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switch typ { |
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case protowire.BytesType: |
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v, m := protowire.ConsumeBytes(b) |
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b = b[m:] |
291
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switch num { |
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case genid.DescriptorProto_Field_field_number: |
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rawFields = append(rawFields, v) |
294
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case genid.DescriptorProto_OneofDecl_field_number: |
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rawOneofs = append(rawOneofs, v) |
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case genid.DescriptorProto_ReservedName_field_number: |
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md.L2.ReservedNames.List = append(md.L2.ReservedNames.List, pref.Name(sb.MakeString(v))) |
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case genid.DescriptorProto_ReservedRange_field_number: |
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md.L2.ReservedRanges.List = append(md.L2.ReservedRanges.List, unmarshalMessageReservedRange(v)) |
300
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case genid.DescriptorProto_ExtensionRange_field_number: |
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r, rawOptions := unmarshalMessageExtensionRange(v) |
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opts := md.L0.ParentFile.builder.optionsUnmarshaler(&descopts.ExtensionRange, rawOptions) |
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md.L2.ExtensionRanges.List = append(md.L2.ExtensionRanges.List, r) |
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md.L2.ExtensionRangeOptions = append(md.L2.ExtensionRangeOptions, opts) |
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case genid.DescriptorProto_EnumType_field_number: |
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md.L1.Enums.List[enumIdx].unmarshalFull(v, sb) |
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enumIdx++ |
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case genid.DescriptorProto_NestedType_field_number: |
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md.L1.Messages.List[messageIdx].unmarshalFull(v, sb) |
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messageIdx++ |
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case genid.DescriptorProto_Extension_field_number: |
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md.L1.Extensions.List[extensionIdx].unmarshalFull(v, sb) |
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extensionIdx++ |
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case genid.DescriptorProto_Options_field_number: |
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md.unmarshalOptions(v) |
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rawOptions = appendOptions(rawOptions, v) |
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} |
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default: |
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m := protowire.ConsumeFieldValue(num, typ, b) |
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b = b[m:] |
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} |
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} |
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if len(rawFields) > 0 || len(rawOneofs) > 0 { |
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md.L2.Fields.List = make([]Field, len(rawFields)) |
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md.L2.Oneofs.List = make([]Oneof, len(rawOneofs)) |
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for i, b := range rawFields { |
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fd := &md.L2.Fields.List[i] |
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fd.unmarshalFull(b, sb, md.L0.ParentFile, md, i) |
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if fd.L1.Cardinality == pref.Required { |
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md.L2.RequiredNumbers.List = append(md.L2.RequiredNumbers.List, fd.L1.Number) |
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} |
332
|
|
|
} |
333
|
|
|
for i, b := range rawOneofs { |
334
|
|
|
od := &md.L2.Oneofs.List[i] |
335
|
|
|
od.unmarshalFull(b, sb, md.L0.ParentFile, md, i) |
336
|
|
|
} |
337
|
|
|
} |
338
|
|
|
md.L2.Options = md.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Message, rawOptions) |
339
|
|
|
} |
340
|
|
|
|
341
|
|
|
func (md *Message) unmarshalOptions(b []byte) { |
342
|
|
|
for len(b) > 0 { |
343
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
344
|
|
|
b = b[n:] |
345
|
|
|
switch typ { |
346
|
|
|
case protowire.VarintType: |
347
|
|
|
v, m := protowire.ConsumeVarint(b) |
348
|
|
|
b = b[m:] |
349
|
|
|
switch num { |
350
|
|
|
case genid.MessageOptions_MapEntry_field_number: |
351
|
|
|
md.L1.IsMapEntry = protowire.DecodeBool(v) |
352
|
|
|
case genid.MessageOptions_MessageSetWireFormat_field_number: |
353
|
|
|
md.L1.IsMessageSet = protowire.DecodeBool(v) |
354
|
|
|
} |
355
|
|
|
default: |
356
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
357
|
|
|
b = b[m:] |
358
|
|
|
} |
359
|
|
|
} |
360
|
|
|
} |
361
|
|
|
|
362
|
|
|
func unmarshalMessageReservedRange(b []byte) (r [2]pref.FieldNumber) { |
363
|
|
|
for len(b) > 0 { |
364
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
365
|
|
|
b = b[n:] |
366
|
|
|
switch typ { |
367
|
|
|
case protowire.VarintType: |
368
|
|
|
v, m := protowire.ConsumeVarint(b) |
369
|
|
|
b = b[m:] |
370
|
|
|
switch num { |
371
|
|
|
case genid.DescriptorProto_ReservedRange_Start_field_number: |
372
|
|
|
r[0] = pref.FieldNumber(v) |
373
|
|
|
case genid.DescriptorProto_ReservedRange_End_field_number: |
374
|
|
|
r[1] = pref.FieldNumber(v) |
375
|
|
|
} |
376
|
|
|
default: |
377
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
378
|
|
|
b = b[m:] |
379
|
|
|
} |
380
|
|
|
} |
381
|
|
|
return r |
382
|
|
|
} |
383
|
|
|
|
384
|
|
|
func unmarshalMessageExtensionRange(b []byte) (r [2]pref.FieldNumber, rawOptions []byte) { |
385
|
|
|
for len(b) > 0 { |
386
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
387
|
|
|
b = b[n:] |
388
|
|
|
switch typ { |
389
|
|
|
case protowire.VarintType: |
390
|
|
|
v, m := protowire.ConsumeVarint(b) |
391
|
|
|
b = b[m:] |
392
|
|
|
switch num { |
393
|
|
|
case genid.DescriptorProto_ExtensionRange_Start_field_number: |
394
|
|
|
r[0] = pref.FieldNumber(v) |
395
|
|
|
case genid.DescriptorProto_ExtensionRange_End_field_number: |
396
|
|
|
r[1] = pref.FieldNumber(v) |
397
|
|
|
} |
398
|
|
|
case protowire.BytesType: |
399
|
|
|
v, m := protowire.ConsumeBytes(b) |
400
|
|
|
b = b[m:] |
401
|
|
|
switch num { |
402
|
|
|
case genid.DescriptorProto_ExtensionRange_Options_field_number: |
403
|
|
|
rawOptions = appendOptions(rawOptions, v) |
404
|
|
|
} |
405
|
|
|
default: |
406
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
407
|
|
|
b = b[m:] |
408
|
|
|
} |
409
|
|
|
} |
410
|
|
|
return r, rawOptions |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
func (fd *Field) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
414
|
|
|
fd.L0.ParentFile = pf |
415
|
|
|
fd.L0.Parent = pd |
416
|
|
|
fd.L0.Index = i |
417
|
|
|
|
418
|
|
|
var rawTypeName []byte |
419
|
|
|
var rawOptions []byte |
420
|
|
|
for len(b) > 0 { |
421
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
422
|
|
|
b = b[n:] |
423
|
|
|
switch typ { |
424
|
|
|
case protowire.VarintType: |
425
|
|
|
v, m := protowire.ConsumeVarint(b) |
426
|
|
|
b = b[m:] |
427
|
|
|
switch num { |
428
|
|
|
case genid.FieldDescriptorProto_Number_field_number: |
429
|
|
|
fd.L1.Number = pref.FieldNumber(v) |
430
|
|
|
case genid.FieldDescriptorProto_Label_field_number: |
431
|
|
|
fd.L1.Cardinality = pref.Cardinality(v) |
432
|
|
|
case genid.FieldDescriptorProto_Type_field_number: |
433
|
|
|
fd.L1.Kind = pref.Kind(v) |
434
|
|
|
case genid.FieldDescriptorProto_OneofIndex_field_number: |
435
|
|
|
// In Message.unmarshalFull, we allocate slices for both |
436
|
|
|
// the field and oneof descriptors before unmarshaling either |
437
|
|
|
// of them. This ensures pointers to slice elements are stable. |
438
|
|
|
od := &pd.(*Message).L2.Oneofs.List[v] |
439
|
|
|
od.L1.Fields.List = append(od.L1.Fields.List, fd) |
440
|
|
|
if fd.L1.ContainingOneof != nil { |
441
|
|
|
panic("oneof type already set") |
442
|
|
|
} |
443
|
|
|
fd.L1.ContainingOneof = od |
444
|
|
|
case genid.FieldDescriptorProto_Proto3Optional_field_number: |
445
|
|
|
fd.L1.IsProto3Optional = protowire.DecodeBool(v) |
446
|
|
|
} |
447
|
|
|
case protowire.BytesType: |
448
|
|
|
v, m := protowire.ConsumeBytes(b) |
449
|
|
|
b = b[m:] |
450
|
|
|
switch num { |
451
|
|
|
case genid.FieldDescriptorProto_Name_field_number: |
452
|
|
|
fd.L0.FullName = appendFullName(sb, pd.FullName(), v) |
453
|
|
|
case genid.FieldDescriptorProto_JsonName_field_number: |
454
|
|
|
fd.L1.StringName.InitJSON(sb.MakeString(v)) |
455
|
|
|
case genid.FieldDescriptorProto_DefaultValue_field_number: |
456
|
|
|
fd.L1.Default.val = pref.ValueOfBytes(v) // temporarily store as bytes; later resolved in resolveMessages |
457
|
|
|
case genid.FieldDescriptorProto_TypeName_field_number: |
458
|
|
|
rawTypeName = v |
459
|
|
|
case genid.FieldDescriptorProto_Options_field_number: |
460
|
|
|
fd.unmarshalOptions(v) |
461
|
|
|
rawOptions = appendOptions(rawOptions, v) |
462
|
|
|
} |
463
|
|
|
default: |
464
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
465
|
|
|
b = b[m:] |
466
|
|
|
} |
467
|
|
|
} |
468
|
|
|
if rawTypeName != nil { |
469
|
|
|
name := makeFullName(sb, rawTypeName) |
470
|
|
|
switch fd.L1.Kind { |
471
|
|
|
case pref.EnumKind: |
472
|
|
|
fd.L1.Enum = PlaceholderEnum(name) |
473
|
|
|
case pref.MessageKind, pref.GroupKind: |
474
|
|
|
fd.L1.Message = PlaceholderMessage(name) |
475
|
|
|
} |
476
|
|
|
} |
477
|
|
|
fd.L1.Options = pf.builder.optionsUnmarshaler(&descopts.Field, rawOptions) |
478
|
|
|
} |
479
|
|
|
|
480
|
|
|
func (fd *Field) unmarshalOptions(b []byte) { |
481
|
|
|
const FieldOptions_EnforceUTF8 = 13 |
482
|
|
|
|
483
|
|
|
for len(b) > 0 { |
484
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
485
|
|
|
b = b[n:] |
486
|
|
|
switch typ { |
487
|
|
|
case protowire.VarintType: |
488
|
|
|
v, m := protowire.ConsumeVarint(b) |
489
|
|
|
b = b[m:] |
490
|
|
|
switch num { |
491
|
|
|
case genid.FieldOptions_Packed_field_number: |
492
|
|
|
fd.L1.HasPacked = true |
493
|
|
|
fd.L1.IsPacked = protowire.DecodeBool(v) |
494
|
|
|
case genid.FieldOptions_Weak_field_number: |
495
|
|
|
fd.L1.IsWeak = protowire.DecodeBool(v) |
496
|
|
|
case FieldOptions_EnforceUTF8: |
497
|
|
|
fd.L1.HasEnforceUTF8 = true |
498
|
|
|
fd.L1.EnforceUTF8 = protowire.DecodeBool(v) |
499
|
|
|
} |
500
|
|
|
default: |
501
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
502
|
|
|
b = b[m:] |
503
|
|
|
} |
504
|
|
|
} |
505
|
|
|
} |
506
|
|
|
|
507
|
|
|
func (od *Oneof) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
508
|
|
|
od.L0.ParentFile = pf |
509
|
|
|
od.L0.Parent = pd |
510
|
|
|
od.L0.Index = i |
511
|
|
|
|
512
|
|
|
var rawOptions []byte |
513
|
|
|
for len(b) > 0 { |
514
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
515
|
|
|
b = b[n:] |
516
|
|
|
switch typ { |
517
|
|
|
case protowire.BytesType: |
518
|
|
|
v, m := protowire.ConsumeBytes(b) |
519
|
|
|
b = b[m:] |
520
|
|
|
switch num { |
521
|
|
|
case genid.OneofDescriptorProto_Name_field_number: |
522
|
|
|
od.L0.FullName = appendFullName(sb, pd.FullName(), v) |
523
|
|
|
case genid.OneofDescriptorProto_Options_field_number: |
524
|
|
|
rawOptions = appendOptions(rawOptions, v) |
525
|
|
|
} |
526
|
|
|
default: |
527
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
528
|
|
|
b = b[m:] |
529
|
|
|
} |
530
|
|
|
} |
531
|
|
|
od.L1.Options = pf.builder.optionsUnmarshaler(&descopts.Oneof, rawOptions) |
532
|
|
|
} |
533
|
|
|
|
534
|
|
|
func (xd *Extension) unmarshalFull(b []byte, sb *strs.Builder) { |
535
|
|
|
var rawTypeName []byte |
536
|
|
|
var rawOptions []byte |
537
|
|
|
xd.L2 = new(ExtensionL2) |
538
|
|
|
for len(b) > 0 { |
539
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
540
|
|
|
b = b[n:] |
541
|
|
|
switch typ { |
542
|
|
|
case protowire.VarintType: |
543
|
|
|
v, m := protowire.ConsumeVarint(b) |
544
|
|
|
b = b[m:] |
545
|
|
|
switch num { |
546
|
|
|
case genid.FieldDescriptorProto_Proto3Optional_field_number: |
547
|
|
|
xd.L2.IsProto3Optional = protowire.DecodeBool(v) |
548
|
|
|
} |
549
|
|
|
case protowire.BytesType: |
550
|
|
|
v, m := protowire.ConsumeBytes(b) |
551
|
|
|
b = b[m:] |
552
|
|
|
switch num { |
553
|
|
|
case genid.FieldDescriptorProto_JsonName_field_number: |
554
|
|
|
xd.L2.StringName.InitJSON(sb.MakeString(v)) |
555
|
|
|
case genid.FieldDescriptorProto_DefaultValue_field_number: |
556
|
|
|
xd.L2.Default.val = pref.ValueOfBytes(v) // temporarily store as bytes; later resolved in resolveExtensions |
557
|
|
|
case genid.FieldDescriptorProto_TypeName_field_number: |
558
|
|
|
rawTypeName = v |
559
|
|
|
case genid.FieldDescriptorProto_Options_field_number: |
560
|
|
|
xd.unmarshalOptions(v) |
561
|
|
|
rawOptions = appendOptions(rawOptions, v) |
562
|
|
|
} |
563
|
|
|
default: |
564
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
565
|
|
|
b = b[m:] |
566
|
|
|
} |
567
|
|
|
} |
568
|
|
|
if rawTypeName != nil { |
569
|
|
|
name := makeFullName(sb, rawTypeName) |
570
|
|
|
switch xd.L1.Kind { |
571
|
|
|
case pref.EnumKind: |
572
|
|
|
xd.L2.Enum = PlaceholderEnum(name) |
573
|
|
|
case pref.MessageKind, pref.GroupKind: |
574
|
|
|
xd.L2.Message = PlaceholderMessage(name) |
575
|
|
|
} |
576
|
|
|
} |
577
|
|
|
xd.L2.Options = xd.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Field, rawOptions) |
578
|
|
|
} |
579
|
|
|
|
580
|
|
|
func (xd *Extension) unmarshalOptions(b []byte) { |
581
|
|
|
for len(b) > 0 { |
582
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
583
|
|
|
b = b[n:] |
584
|
|
|
switch typ { |
585
|
|
|
case protowire.VarintType: |
586
|
|
|
v, m := protowire.ConsumeVarint(b) |
587
|
|
|
b = b[m:] |
588
|
|
|
switch num { |
589
|
|
|
case genid.FieldOptions_Packed_field_number: |
590
|
|
|
xd.L2.IsPacked = protowire.DecodeBool(v) |
591
|
|
|
} |
592
|
|
|
default: |
593
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
594
|
|
|
b = b[m:] |
595
|
|
|
} |
596
|
|
|
} |
597
|
|
|
} |
598
|
|
|
|
599
|
|
|
func (sd *Service) unmarshalFull(b []byte, sb *strs.Builder) { |
600
|
|
|
var rawMethods [][]byte |
601
|
|
|
var rawOptions []byte |
602
|
|
|
sd.L2 = new(ServiceL2) |
603
|
|
|
for len(b) > 0 { |
604
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
605
|
|
|
b = b[n:] |
606
|
|
|
switch typ { |
607
|
|
|
case protowire.BytesType: |
608
|
|
|
v, m := protowire.ConsumeBytes(b) |
609
|
|
|
b = b[m:] |
610
|
|
|
switch num { |
611
|
|
|
case genid.ServiceDescriptorProto_Method_field_number: |
612
|
|
|
rawMethods = append(rawMethods, v) |
613
|
|
|
case genid.ServiceDescriptorProto_Options_field_number: |
614
|
|
|
rawOptions = appendOptions(rawOptions, v) |
615
|
|
|
} |
616
|
|
|
default: |
617
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
618
|
|
|
b = b[m:] |
619
|
|
|
} |
620
|
|
|
} |
621
|
|
|
if len(rawMethods) > 0 { |
622
|
|
|
sd.L2.Methods.List = make([]Method, len(rawMethods)) |
623
|
|
|
for i, b := range rawMethods { |
624
|
|
|
sd.L2.Methods.List[i].unmarshalFull(b, sb, sd.L0.ParentFile, sd, i) |
625
|
|
|
} |
626
|
|
|
} |
627
|
|
|
sd.L2.Options = sd.L0.ParentFile.builder.optionsUnmarshaler(&descopts.Service, rawOptions) |
628
|
|
|
} |
629
|
|
|
|
630
|
|
|
func (md *Method) unmarshalFull(b []byte, sb *strs.Builder, pf *File, pd pref.Descriptor, i int) { |
631
|
|
|
md.L0.ParentFile = pf |
632
|
|
|
md.L0.Parent = pd |
633
|
|
|
md.L0.Index = i |
634
|
|
|
|
635
|
|
|
var rawOptions []byte |
636
|
|
|
for len(b) > 0 { |
637
|
|
|
num, typ, n := protowire.ConsumeTag(b) |
638
|
|
|
b = b[n:] |
639
|
|
|
switch typ { |
640
|
|
|
case protowire.VarintType: |
641
|
|
|
v, m := protowire.ConsumeVarint(b) |
642
|
|
|
b = b[m:] |
643
|
|
|
switch num { |
644
|
|
|
case genid.MethodDescriptorProto_ClientStreaming_field_number: |
645
|
|
|
md.L1.IsStreamingClient = protowire.DecodeBool(v) |
646
|
|
|
case genid.MethodDescriptorProto_ServerStreaming_field_number: |
647
|
|
|
md.L1.IsStreamingServer = protowire.DecodeBool(v) |
648
|
|
|
} |
649
|
|
|
case protowire.BytesType: |
650
|
|
|
v, m := protowire.ConsumeBytes(b) |
651
|
|
|
b = b[m:] |
652
|
|
|
switch num { |
653
|
|
|
case genid.MethodDescriptorProto_Name_field_number: |
654
|
|
|
md.L0.FullName = appendFullName(sb, pd.FullName(), v) |
655
|
|
|
case genid.MethodDescriptorProto_InputType_field_number: |
656
|
|
|
md.L1.Input = PlaceholderMessage(makeFullName(sb, v)) |
657
|
|
|
case genid.MethodDescriptorProto_OutputType_field_number: |
658
|
|
|
md.L1.Output = PlaceholderMessage(makeFullName(sb, v)) |
659
|
|
|
case genid.MethodDescriptorProto_Options_field_number: |
660
|
|
|
rawOptions = appendOptions(rawOptions, v) |
661
|
|
|
} |
662
|
|
|
default: |
663
|
|
|
m := protowire.ConsumeFieldValue(num, typ, b) |
664
|
|
|
b = b[m:] |
665
|
|
|
} |
666
|
|
|
} |
667
|
|
|
md.L1.Options = pf.builder.optionsUnmarshaler(&descopts.Method, rawOptions) |
668
|
|
|
} |
669
|
|
|
|
670
|
|
|
// appendOptions appends src to dst, where the returned slice is never nil. |
671
|
|
|
// This is necessary to distinguish between empty and unpopulated options. |
672
|
|
|
func appendOptions(dst, src []byte) []byte { |
673
|
|
|
if dst == nil { |
674
|
|
|
dst = []byte{} |
675
|
|
|
} |
676
|
|
|
return append(dst, src...) |
677
|
|
|
} |
678
|
|
|
|
679
|
|
|
// optionsUnmarshaler constructs a lazy unmarshal function for an options message. |
680
|
|
|
// |
681
|
|
|
// The type of message to unmarshal to is passed as a pointer since the |
682
|
|
|
// vars in descopts may not yet be populated at the time this function is called. |
683
|
|
|
func (db *Builder) optionsUnmarshaler(p *pref.ProtoMessage, b []byte) func() pref.ProtoMessage { |
684
|
|
|
if b == nil { |
685
|
|
|
return nil |
686
|
|
|
} |
687
|
|
|
var opts pref.ProtoMessage |
688
|
|
|
var once sync.Once |
689
|
|
|
return func() pref.ProtoMessage { |
690
|
|
|
once.Do(func() { |
691
|
|
|
if *p == nil { |
692
|
|
|
panic("Descriptor.Options called without importing the descriptor package") |
693
|
|
|
} |
694
|
|
|
opts = reflect.New(reflect.TypeOf(*p).Elem()).Interface().(pref.ProtoMessage) |
695
|
|
|
if err := (proto.UnmarshalOptions{ |
696
|
|
|
AllowPartial: true, |
697
|
|
|
Resolver: db.TypeResolver, |
698
|
|
|
}).Unmarshal(b, opts); err != nil { |
699
|
|
|
panic(err) |
700
|
|
|
} |
701
|
|
|
}) |
702
|
|
|
return opts |
703
|
|
|
} |
704
|
|
|
} |
705
|
|
|
|