func (p *stringer) Generate(file *generator.FileDescriptor) { proto3 := gogoproto.IsProto3(file.FileDescriptorProto) p.PluginImports = generator.NewPluginImports(p.Generator) p.atleastOne = false p.localName = generator.FileName(file) fmtPkg := p.NewImport("fmt") stringsPkg := p.NewImport("strings") reflectPkg := p.NewImport("reflect") sortKeysPkg := p.NewImport("github.com/andres-erbsen/protobuf/sortkeys") for _, message := range file.Messages() { if !gogoproto.IsStringer(file.FileDescriptorProto, message.DescriptorProto) { continue } if gogoproto.EnabledGoStringer(file.FileDescriptorProto, message.DescriptorProto) { panic("old string method needs to be disabled, please use gogoproto.goproto_stringer or gogoproto.goproto_stringer_all and set it to false") } if message.DescriptorProto.GetOptions().GetMapEntry() { continue } p.atleastOne = true ccTypeName := generator.CamelCaseSlice(message.TypeName()) p.P(`func (this *`, ccTypeName, `) String() string {`) p.In() p.P(`if this == nil {`) p.In() p.P(`return "nil"`) p.Out() p.P(`}`) for _, field := range message.Field { if !generator.IsMap(file.FileDescriptorProto, field) { continue } fieldname := p.GetFieldName(message, field) mapMsg := generator.GetMap(file.FileDescriptorProto, field) keyField, valueField := mapMsg.GetMapFields() keysName := `keysFor` + fieldname keygoTyp, _ := p.GoType(nil, keyField) keygoTyp = strings.Replace(keygoTyp, "*", "", 1) keyCapTyp := generator.CamelCase(keygoTyp) valuegoTyp, _ := p.GoType(nil, valueField) p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`) p.P(`for k, _ := range this.`, fieldname, ` {`) p.In() p.P(keysName, ` = append(`, keysName, `, k)`) p.Out() p.P(`}`) p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`) mapName := `mapStringFor` + fieldname p.P(mapName, ` := "map[`, keygoTyp, `]`, valuegoTyp, `{"`) p.P(`for _, k := range `, keysName, ` {`) p.In() p.P(mapName, ` += fmt.Sprintf("%v: %v,", k, this.`, fieldname, `[k])`) p.Out() p.P(`}`) p.P(mapName, ` += "}"`) } p.P("s := ", stringsPkg.Use(), ".Join([]string{`&", ccTypeName, "{`,") oneofs := make(map[string]struct{}) for _, field := range message.Field { nullable := gogoproto.IsNullable(field) repeated := field.IsRepeated() fieldname := p.GetFieldName(message, field) oneof := field.OneofIndex != nil if oneof { if _, ok := oneofs[fieldname]; ok { continue } else { oneofs[fieldname] = struct{}{} } p.P("`", fieldname, ":`", ` + `, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, ") + `,", "`,") } else if generator.IsMap(file.FileDescriptorProto, field) { mapName := `mapStringFor` + fieldname p.P("`", fieldname, ":`", ` + `, mapName, " + `,", "`,") } else if field.IsMessage() || p.IsGroup(field) { desc := p.ObjectNamed(field.GetTypeName()) msgname := p.TypeName(desc) msgnames := strings.Split(msgname, ".") typeName := msgnames[len(msgnames)-1] if nullable { p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, `), "`, typeName, `","`, msgname, `"`, ", 1) + `,", "`,") } else if repeated { p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, `), "`, typeName, `","`, msgname, `"`, ", 1),`&`,``,1) + `,", "`,") } else { p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, stringsPkg.Use(), `.Replace(this.`, fieldname, `.String(), "`, typeName, `","`, msgname, `"`, ", 1),`&`,``,1) + `,", "`,") } } else { if nullable && !repeated && !proto3 { p.P("`", fieldname, ":`", ` + valueToString`, p.localName, `(this.`, fieldname, ") + `,", "`,") } else { p.P("`", fieldname, ":`", ` + `, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, ") + `,", "`,") } } } if message.DescriptorProto.HasExtension() { if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) { p.P("`XXX_extensions:` + proto.StringFromExtensionsMap(this.XXX_extensions) + `,`,") } else { p.P("`XXX_extensions:` + proto.StringFromExtensionsBytes(this.XXX_extensions) + `,`,") } } if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) { p.P("`XXX_unrecognized:` + ", fmtPkg.Use(), `.Sprintf("%v", this.XXX_unrecognized) + `, "`,`,") } p.P("`}`,") p.P(`}`, `,""`, ")") p.P(`return s`) p.Out() p.P(`}`) //Generate String methods for oneof fields for _, field := range message.Field { oneof := field.OneofIndex != nil if !oneof { continue } ccTypeName := p.OneOfTypeName(message, field) p.P(`func (this *`, ccTypeName, `) String() string {`) p.In() p.P(`if this == nil {`) p.In() p.P(`return "nil"`) p.Out() p.P(`}`) p.P("s := ", stringsPkg.Use(), ".Join([]string{`&", ccTypeName, "{`,") fieldname := p.GetOneOfFieldName(message, field) if field.IsMessage() || p.IsGroup(field) { desc := p.ObjectNamed(field.GetTypeName()) msgname := p.TypeName(desc) msgnames := strings.Split(msgname, ".") typeName := msgnames[len(msgnames)-1] p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, `), "`, typeName, `","`, msgname, `"`, ", 1) + `,", "`,") } else { p.P("`", fieldname, ":`", ` + `, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, ") + `,", "`,") } p.P("`}`,") p.P(`}`, `,""`, ")") p.P(`return s`) p.Out() p.P(`}`) } } if !p.atleastOne { return } p.P(`func valueToString`, p.localName, `(v interface{}) string {`) p.In() p.P(`rv := `, reflectPkg.Use(), `.ValueOf(v)`) p.P(`if rv.IsNil() {`) p.In() p.P(`return "nil"`) p.Out() p.P(`}`) p.P(`pv := `, reflectPkg.Use(), `.Indirect(rv).Interface()`) p.P(`return `, fmtPkg.Use(), `.Sprintf("*%v", pv)`) p.Out() p.P(`}`) }
func (p *gostring) Generate(file *generator.FileDescriptor) { proto3 := gogoproto.IsProto3(file.FileDescriptorProto) p.PluginImports = generator.NewPluginImports(p.Generator) p.atleastOne = false p.localName = generator.FileName(file) fmtPkg := p.NewImport("fmt") stringsPkg := p.NewImport("strings") protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto") if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) { protoPkg = p.NewImport("github.com/golang/protobuf/proto") } sortPkg := p.NewImport("sort") strconvPkg := p.NewImport("strconv") reflectPkg := p.NewImport("reflect") sortKeysPkg := p.NewImport("github.com/andres-erbsen/protobuf/sortkeys") for _, message := range file.Messages() { if !gogoproto.HasGoString(file.FileDescriptorProto, message.DescriptorProto) { continue } if message.DescriptorProto.GetOptions().GetMapEntry() { continue } p.atleastOne = true packageName := file.PackageName() ccTypeName := generator.CamelCaseSlice(message.TypeName()) p.P(`func (this *`, ccTypeName, `) GoString() string {`) p.In() p.P(`if this == nil {`) p.In() p.P(`return "nil"`) p.Out() p.P(`}`) p.P(`s := make([]string, 0, `, strconv.Itoa(len(message.Field)+4), `)`) p.P(`s = append(s, "&`, packageName, ".", ccTypeName, `{")`) oneofs := make(map[string]struct{}) for _, field := range message.Field { nullable := gogoproto.IsNullable(field) repeated := field.IsRepeated() fieldname := p.GetFieldName(message, field) oneof := field.OneofIndex != nil if oneof { if _, ok := oneofs[fieldname]; ok { continue } else { oneofs[fieldname] = struct{}{} } p.P(`if this.`, fieldname, ` != nil {`) p.In() p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`) p.Out() p.P(`}`) } else if generator.IsMap(file.FileDescriptorProto, field) { mapMsg := generator.GetMap(file.FileDescriptorProto, field) keyField, valueField := mapMsg.GetMapFields() keysName := `keysFor` + fieldname keygoTyp, _ := p.GoType(nil, keyField) keygoTyp = strings.Replace(keygoTyp, "*", "", 1) keyCapTyp := generator.CamelCase(keygoTyp) valuegoTyp, _ := p.GoType(nil, valueField) if !valueField.IsMessage() { valuegoTyp = strings.Replace(valuegoTyp, "*", "", 1) } p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`) p.P(`for k, _ := range this.`, fieldname, ` {`) p.In() p.P(keysName, ` = append(`, keysName, `, k)`) p.Out() p.P(`}`) p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`) mapName := `mapStringFor` + fieldname p.P(mapName, ` := "map[`, keygoTyp, `]`, valuegoTyp, `{"`) p.P(`for _, k := range `, keysName, ` {`) p.In() p.P(mapName, ` += fmt.Sprintf("%#v: %#v,", k, this.`, fieldname, `[k])`) p.Out() p.P(`}`) p.P(mapName, ` += "}"`) p.P(`if this.`, fieldname, ` != nil {`) p.In() p.P(`s = append(s, "`, fieldname, `: " + `, mapName, `+ ",\n")`) p.Out() p.P(`}`) } else if field.IsMessage() || p.IsGroup(field) { if nullable || repeated { p.P(`if this.`, fieldname, ` != nil {`) p.In() } if nullable { p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`) } else if repeated { p.P(`s = append(s, "`, fieldname, `: " + `, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`, ",`&`,``,1)", ` + ",\n")`) } else { p.P(`s = append(s, "`, fieldname, `: " + `, stringsPkg.Use(), `.Replace(this.`, fieldname, `.GoString()`, ",`&`,``,1)", ` + ",\n")`) } if nullable || repeated { p.Out() p.P(`}`) } } else { if !proto3 && (nullable || repeated) { p.P(`if this.`, fieldname, ` != nil {`) p.In() } if field.IsEnum() { if nullable && !repeated && !proto3 { goTyp, _ := p.GoType(message, field) p.P(`s = append(s, "`, fieldname, `: " + valueToGoString`, p.localName, `(this.`, fieldname, `,"`, packageName, ".", generator.GoTypeToName(goTyp), `"`, `) + ",\n")`) } else { p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`) } } else { if nullable && !repeated && !proto3 { goTyp, _ := p.GoType(message, field) p.P(`s = append(s, "`, fieldname, `: " + valueToGoString`, p.localName, `(this.`, fieldname, `,"`, generator.GoTypeToName(goTyp), `"`, `) + ",\n")`) } else { p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`) } } if !proto3 && (nullable || repeated) { p.Out() p.P(`}`) } } } if message.DescriptorProto.HasExtension() { p.P(`if this.XXX_extensions != nil {`) p.In() if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) { p.P(`s = append(s, "XXX_extensions: " + extensionToGoString`, p.localName, `(this.XXX_extensions) + ",\n")`) } else { p.P(`s = append(s, "XXX_extensions: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.XXX_extensions) + ",\n")`) } p.Out() p.P(`}`) } if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) { p.P(`if this.XXX_unrecognized != nil {`) p.In() p.P(`s = append(s, "XXX_unrecognized:" + `, fmtPkg.Use(), `.Sprintf("%#v", this.XXX_unrecognized) + ",\n")`) p.Out() p.P(`}`) } p.P(`s = append(s, "}")`) //outStr += strings.Join([]string{" + `}`", `}`, `,", "`, ")"}, "") p.P(`return `, stringsPkg.Use(), `.Join(s, "")`) p.Out() p.P(`}`) //Generate GoString methods for oneof fields for _, field := range message.Field { oneof := field.OneofIndex != nil if !oneof { continue } ccTypeName := p.OneOfTypeName(message, field) p.P(`func (this *`, ccTypeName, `) GoString() string {`) p.In() p.P(`if this == nil {`) p.In() p.P(`return "nil"`) p.Out() p.P(`}`) outFlds := []string{} fieldname := p.GetOneOfFieldName(message, field) if field.IsMessage() || p.IsGroup(field) { tmp := strings.Join([]string{"`", fieldname, ":` + "}, "") tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`}, "") outFlds = append(outFlds, tmp) } else { tmp := strings.Join([]string{"`", fieldname, ":` + "}, "") tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "") outFlds = append(outFlds, tmp) } outStr := strings.Join([]string{"s := ", stringsPkg.Use(), ".Join([]string{`&", packageName, ".", ccTypeName, "{` + \n"}, "") outStr += strings.Join(outFlds, ",\n") outStr += strings.Join([]string{" + `}`", `}`, `,", "`, ")"}, "") p.P(outStr) p.P(`return s`) p.Out() p.P(`}`) } } if !p.atleastOne { return } p.P(`func valueToGoString`, p.localName, `(v interface{}, typ string) string {`) p.In() p.P(`rv := `, reflectPkg.Use(), `.ValueOf(v)`) p.P(`if rv.IsNil() {`) p.In() p.P(`return "nil"`) p.Out() p.P(`}`) p.P(`pv := `, reflectPkg.Use(), `.Indirect(rv).Interface()`) p.P(`return `, fmtPkg.Use(), `.Sprintf("func(v %v) *%v { return &v } ( %#v )", typ, typ, pv)`) p.Out() p.P(`}`) p.P(`func extensionToGoString`, p.localName, `(e map[int32]`, protoPkg.Use(), `.Extension) string {`) p.In() p.P(`if e == nil { return "nil" }`) p.P(`s := "map[int32]proto.Extension{"`) p.P(`keys := make([]int, 0, len(e))`) p.P(`for k := range e {`) p.In() p.P(`keys = append(keys, int(k))`) p.Out() p.P(`}`) p.P(sortPkg.Use(), `.Ints(keys)`) p.P(`ss := []string{}`) p.P(`for _, k := range keys {`) p.In() p.P(`ss = append(ss, `, strconvPkg.Use(), `.Itoa(k) + ": " + e[int32(k)].GoString())`) p.Out() p.P(`}`) p.P(`s+=`, stringsPkg.Use(), `.Join(ss, ",") + "}"`) p.P(`return s`) p.Out() p.P(`}`) }
func (p *size) Generate(file *generator.FileDescriptor) { p.PluginImports = generator.NewPluginImports(p.Generator) p.atleastOne = false p.localName = generator.FileName(file) protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto") if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) { protoPkg = p.NewImport("github.com/golang/protobuf/proto") } for _, message := range file.Messages() { if !gogoproto.IsSizer(file.FileDescriptorProto, message.DescriptorProto) { continue } if message.DescriptorProto.GetOptions().GetMapEntry() { continue } p.atleastOne = true ccTypeName := generator.CamelCaseSlice(message.TypeName()) p.P(`func (m *`, ccTypeName, `) Size() (n int) {`) p.In() p.P(`var l int`) p.P(`_ = l`) oneofs := make(map[string]struct{}) for _, field := range message.Field { oneof := field.OneofIndex != nil if !oneof { proto3 := gogoproto.IsProto3(file.FileDescriptorProto) p.generateField(proto3, file, message, field) } else { fieldname := p.GetFieldName(message, field) if _, ok := oneofs[fieldname]; ok { continue } else { oneofs[fieldname] = struct{}{} } p.P(`if m.`, fieldname, ` != nil {`) p.In() p.P(`n+=m.`, fieldname, `.Size()`) p.Out() p.P(`}`) } } if message.DescriptorProto.HasExtension() { p.P(`if m.XXX_extensions != nil {`) p.In() if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) { p.P(`n += `, protoPkg.Use(), `.SizeOfExtensionMap(m.XXX_extensions)`) } else { p.P(`n+=len(m.XXX_extensions)`) } p.Out() p.P(`}`) } if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) { p.P(`if m.XXX_unrecognized != nil {`) p.In() p.P(`n+=len(m.XXX_unrecognized)`) p.Out() p.P(`}`) } p.P(`return n`) p.Out() p.P(`}`) p.P() //Generate Size methods for oneof fields m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto) for _, f := range m.Field { oneof := f.OneofIndex != nil if !oneof { continue } ccTypeName := p.OneOfTypeName(message, f) p.P(`func (m *`, ccTypeName, `) Size() (n int) {`) p.In() p.P(`var l int`) p.P(`_ = l`) vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(f) p.generateField(false, file, message, f) p.P(`return n`) p.Out() p.P(`}`) } } if !p.atleastOne { return } p.sizeVarint() p.sizeZigZag() }
func (p *unmarshal) Generate(file *generator.FileDescriptor) { proto3 := gogoproto.IsProto3(file.FileDescriptorProto) p.PluginImports = generator.NewPluginImports(p.Generator) p.atleastOne = false p.localName = generator.FileName(file) if p.unsafe { p.localName += "Unsafe" } p.ioPkg = p.NewImport("io") p.mathPkg = p.NewImport("math") p.unsafePkg = p.NewImport("unsafe") fmtPkg := p.NewImport("fmt") protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto") if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) { protoPkg = p.NewImport("github.com/golang/protobuf/proto") } for _, message := range file.Messages() { ccTypeName := generator.CamelCaseSlice(message.TypeName()) if p.unsafe { if !gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) { continue } if gogoproto.IsUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) { panic(fmt.Sprintf("unsafe_unmarshaler and unmarshaler enabled for %v", ccTypeName)) } } if !p.unsafe { if !gogoproto.IsUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) { continue } if gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) { panic(fmt.Sprintf("unsafe_unmarshaler and unmarshaler enabled for %v", ccTypeName)) } } if message.DescriptorProto.GetOptions().GetMapEntry() { continue } p.atleastOne = true // build a map required field_id -> bitmask offset rfMap := make(map[int32]uint) rfNextId := uint(0) for _, field := range message.Field { if field.IsRequired() { rfMap[field.GetNumber()] = rfNextId rfNextId++ } } rfCount := len(rfMap) p.P(`func (m *`, ccTypeName, `) Unmarshal(data []byte) error {`) p.In() if rfCount > 0 { p.P(`var hasFields [`, strconv.Itoa(1+(rfCount-1)/64), `]uint64`) } p.P(`l := len(data)`) p.P(`iNdEx := 0`) p.P(`for iNdEx < l {`) p.In() p.P(`preIndex := iNdEx`) p.P(`var wire uint64`) p.decodeVarint("wire", "uint64") p.P(`fieldNum := int32(wire >> 3)`) if len(message.Field) > 0 || !message.IsGroup() { p.P(`wireType := int(wire & 0x7)`) } if !message.IsGroup() { p.P(`if wireType == `, strconv.Itoa(proto.WireEndGroup), ` {`) p.In() p.P(`return `, fmtPkg.Use(), `.Errorf("proto: `+message.GetName()+`: wiretype end group for non-group")`) p.Out() p.P(`}`) } p.P(`if fieldNum <= 0 {`) p.In() p.P(`return `, fmtPkg.Use(), `.Errorf("proto: `+message.GetName()+`: illegal tag %d (wire type %d)", fieldNum, wire)`) p.Out() p.P(`}`) p.P(`switch fieldNum {`) p.In() for _, field := range message.Field { fieldname := p.GetFieldName(message, field) errFieldname := fieldname if field.OneofIndex != nil { errFieldname = p.GetOneOfFieldName(message, field) } packed := field.IsPacked() p.P(`case `, strconv.Itoa(int(field.GetNumber())), `:`) p.In() wireType := field.WireType() if packed { p.P(`if wireType == `, strconv.Itoa(proto.WireBytes), `{`) p.In() p.P(`var packedLen int`) p.decodeVarint("packedLen", "int") p.P(`if packedLen < 0 {`) p.In() p.P(`return ErrInvalidLength` + p.localName) p.Out() p.P(`}`) p.P(`postIndex := iNdEx + packedLen`) p.P(`if postIndex > l {`) p.In() p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`) p.Out() p.P(`}`) p.P(`for iNdEx < postIndex {`) p.In() p.field(file.FileDescriptorProto, message, field, fieldname, false) p.Out() p.P(`}`) p.Out() p.P(`} else if wireType == `, strconv.Itoa(wireType), `{`) p.In() p.field(file.FileDescriptorProto, message, field, fieldname, false) p.Out() p.P(`} else {`) p.In() p.P(`return ` + fmtPkg.Use() + `.Errorf("proto: wrong wireType = %d for field ` + errFieldname + `", wireType)`) p.Out() p.P(`}`) } else { p.P(`if wireType != `, strconv.Itoa(wireType), `{`) p.In() p.P(`return ` + fmtPkg.Use() + `.Errorf("proto: wrong wireType = %d for field ` + errFieldname + `", wireType)`) p.Out() p.P(`}`) p.field(file.FileDescriptorProto, message, field, fieldname, proto3) } if field.IsRequired() { fieldBit, ok := rfMap[field.GetNumber()] if !ok { panic("field is required, but no bit registered") } p.P(`hasFields[`, strconv.Itoa(int(fieldBit/64)), `] |= uint64(`, fmt.Sprintf("0x%08x", 1<<(fieldBit%64)), `)`) } } p.Out() p.P(`default:`) p.In() if message.DescriptorProto.HasExtension() { c := []string{} for _, erange := range message.GetExtensionRange() { c = append(c, `((fieldNum >= `+strconv.Itoa(int(erange.GetStart()))+") && (fieldNum<"+strconv.Itoa(int(erange.GetEnd()))+`))`) } p.P(`if `, strings.Join(c, "||"), `{`) p.In() p.P(`var sizeOfWire int`) p.P(`for {`) p.In() p.P(`sizeOfWire++`) p.P(`wire >>= 7`) p.P(`if wire == 0 {`) p.In() p.P(`break`) p.Out() p.P(`}`) p.Out() p.P(`}`) p.P(`iNdEx-=sizeOfWire`) p.P(`skippy, err := skip`, p.localName+`(data[iNdEx:])`) p.P(`if err != nil {`) p.In() p.P(`return err`) p.Out() p.P(`}`) p.P(`if skippy < 0 {`) p.In() p.P(`return ErrInvalidLength`, p.localName) p.Out() p.P(`}`) p.P(`if (iNdEx + skippy) > l {`) p.In() p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`) p.Out() p.P(`}`) if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) { p.P(`if m.XXX_extensions == nil {`) p.In() p.P(`m.XXX_extensions = make(map[int32]`, protoPkg.Use(), `.Extension)`) p.Out() p.P(`}`) p.P(`m.XXX_extensions[int32(fieldNum)] = `, protoPkg.Use(), `.NewExtension(data[iNdEx:iNdEx+skippy])`) } else { p.P(`m.XXX_extensions = append(m.XXX_extensions, data[iNdEx:iNdEx+skippy]...)`) } p.P(`iNdEx += skippy`) p.Out() p.P(`} else {`) p.In() } p.P(`iNdEx=preIndex`) p.P(`skippy, err := skip`, p.localName, `(data[iNdEx:])`) p.P(`if err != nil {`) p.In() p.P(`return err`) p.Out() p.P(`}`) p.P(`if skippy < 0 {`) p.In() p.P(`return ErrInvalidLength`, p.localName) p.Out() p.P(`}`) p.P(`if (iNdEx + skippy) > l {`) p.In() p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`) p.Out() p.P(`}`) if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) { p.P(`m.XXX_unrecognized = append(m.XXX_unrecognized, data[iNdEx:iNdEx+skippy]...)`) } p.P(`iNdEx += skippy`) p.Out() if message.DescriptorProto.HasExtension() { p.Out() p.P(`}`) } p.Out() p.P(`}`) p.Out() p.P(`}`) for _, field := range message.Field { if !field.IsRequired() { continue } fieldBit, ok := rfMap[field.GetNumber()] if !ok { panic("field is required, but no bit registered") } p.P(`if hasFields[`, strconv.Itoa(int(fieldBit/64)), `] & uint64(`, fmt.Sprintf("0x%08x", 1<<(fieldBit%64)), `) == 0 {`) p.In() if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) { p.P(`return new(`, protoPkg.Use(), `.RequiredNotSetError)`) } else { p.P(`return `, protoPkg.Use(), `.NewRequiredNotSetError("`, field.GetName(), `")`) } p.Out() p.P(`}`) } p.P() p.P(`if iNdEx > l {`) p.In() p.P(`return ` + p.ioPkg.Use() + `.ErrUnexpectedEOF`) p.Out() p.P(`}`) p.P(`return nil`) p.Out() p.P(`}`) } if !p.atleastOne { return } p.P(`func skip` + p.localName + `(data []byte) (n int, err error) { l := len(data) iNdEx := 0 for iNdEx < l { var wire uint64 for shift := uint(0); ; shift += 7 { if shift >= 64 { return 0, ErrIntOverflow` + p.localName + ` } if iNdEx >= l { return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF } b := data[iNdEx] iNdEx++ wire |= (uint64(b) & 0x7F) << shift if b < 0x80 { break } } wireType := int(wire & 0x7) switch wireType { case 0: for shift := uint(0); ; shift += 7 { if shift >= 64 { return 0, ErrIntOverflow` + p.localName + ` } if iNdEx >= l { return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF } iNdEx++ if data[iNdEx-1] < 0x80 { break } } return iNdEx, nil case 1: iNdEx += 8 return iNdEx, nil case 2: var length int for shift := uint(0); ; shift += 7 { if shift >= 64 { return 0, ErrIntOverflow` + p.localName + ` } if iNdEx >= l { return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF } b := data[iNdEx] iNdEx++ length |= (int(b) & 0x7F) << shift if b < 0x80 { break } } iNdEx += length if length < 0 { return 0, ErrInvalidLength` + p.localName + ` } return iNdEx, nil case 3: for { var innerWire uint64 var start int = iNdEx for shift := uint(0); ; shift += 7 { if shift >= 64 { return 0, ErrIntOverflow` + p.localName + ` } if iNdEx >= l { return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF } b := data[iNdEx] iNdEx++ innerWire |= (uint64(b) & 0x7F) << shift if b < 0x80 { break } } innerWireType := int(innerWire & 0x7) if innerWireType == 4 { break } next, err := skip` + p.localName + `(data[start:]) if err != nil { return 0, err } iNdEx = start + next } return iNdEx, nil case 4: return iNdEx, nil case 5: iNdEx += 4 return iNdEx, nil default: return 0, ` + fmtPkg.Use() + `.Errorf("proto: illegal wireType %d", wireType) } } panic("unreachable") } var ( ErrInvalidLength` + p.localName + ` = ` + fmtPkg.Use() + `.Errorf("proto: negative length found during unmarshaling") ErrIntOverflow` + p.localName + ` = ` + fmtPkg.Use() + `.Errorf("proto: integer overflow") ) `) }
func (p *marshalto) Generate(file *generator.FileDescriptor) { numGen := NewNumGen() p.PluginImports = generator.NewPluginImports(p.Generator) p.atleastOne = false p.localName = generator.FileName(file) p.mathPkg = p.NewImport("math") p.sortKeysPkg = p.NewImport("github.com/andres-erbsen/protobuf/sortkeys") p.protoPkg = p.NewImport("github.com/andres-erbsen/protobuf/proto") if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) { p.protoPkg = p.NewImport("github.com/golang/protobuf/proto") } p.unsafePkg = p.NewImport("unsafe") p.errorsPkg = p.NewImport("errors") for _, message := range file.Messages() { if message.DescriptorProto.GetOptions().GetMapEntry() { continue } ccTypeName := generator.CamelCaseSlice(message.TypeName()) if p.unsafe { if !gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) { continue } if gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) { panic(fmt.Sprintf("unsafe_marshaler and marshalto enabled for %v", ccTypeName)) } } if !p.unsafe { if !gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) { continue } if gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) { panic(fmt.Sprintf("unsafe_marshaler and marshalto enabled for %v", ccTypeName)) } } p.atleastOne = true p.P(`func (m *`, ccTypeName, `) Marshal() (data []byte, err error) {`) p.In() p.P(`size := m.Size()`) p.P(`data = make([]byte, size)`) p.P(`n, err := m.MarshalTo(data)`) p.P(`if err != nil {`) p.In() p.P(`return nil, err`) p.Out() p.P(`}`) p.P(`return data[:n], nil`) p.Out() p.P(`}`) p.P(``) p.P(`func (m *`, ccTypeName, `) MarshalTo(data []byte) (int, error) {`) p.In() p.P(`var i int`) p.P(`_ = i`) p.P(`var l int`) p.P(`_ = l`) fields := orderFields(message.GetField()) sort.Sort(fields) oneofs := make(map[string]struct{}) for _, field := range message.Field { oneof := field.OneofIndex != nil if !oneof { proto3 := gogoproto.IsProto3(file.FileDescriptorProto) p.generateField(proto3, numGen, file, message, field) } else { fieldname := p.GetFieldName(message, field) if _, ok := oneofs[fieldname]; !ok { oneofs[fieldname] = struct{}{} p.P(`if m.`, fieldname, ` != nil {`) p.In() p.P(`nn`, numGen.Next(), `, err := m.`, fieldname, `.MarshalTo(data[i:])`) p.P(`if err != nil {`) p.In() p.P(`return 0, err`) p.Out() p.P(`}`) p.P(`i+=nn`, numGen.Current()) p.Out() p.P(`}`) } } } if message.DescriptorProto.HasExtension() { if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) { p.P(`if len(m.XXX_extensions) > 0 {`) p.In() p.P(`n, err := `, p.protoPkg.Use(), `.EncodeExtensionMap(m.XXX_extensions, data[i:])`) p.P(`if err != nil {`) p.In() p.P(`return 0, err`) p.Out() p.P(`}`) p.P(`i+=n`) p.Out() p.P(`}`) } else { p.P(`if m.XXX_extensions != nil {`) p.In() p.P(`i+=copy(data[i:], m.XXX_extensions)`) p.Out() p.P(`}`) } } if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) { p.P(`if m.XXX_unrecognized != nil {`) p.In() p.P(`i+=copy(data[i:], m.XXX_unrecognized)`) p.Out() p.P(`}`) } p.P(`return i, nil`) p.Out() p.P(`}`) p.P() //Generate MarshalTo methods for oneof fields m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto) for _, field := range m.Field { oneof := field.OneofIndex != nil if !oneof { continue } ccTypeName := p.OneOfTypeName(message, field) p.P(`func (m *`, ccTypeName, `) MarshalTo(data []byte) (int, error) {`) p.In() p.P(`i := 0`) vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(field) p.generateField(false, numGen, file, message, field) p.P(`return i, nil`) p.Out() p.P(`}`) } } if p.atleastOne { p.P(`func encodeFixed64`, p.localName, `(data []byte, offset int, v uint64) int {`) p.In() p.P(`data[offset] = uint8(v)`) p.P(`data[offset+1] = uint8(v >> 8)`) p.P(`data[offset+2] = uint8(v >> 16)`) p.P(`data[offset+3] = uint8(v >> 24)`) p.P(`data[offset+4] = uint8(v >> 32)`) p.P(`data[offset+5] = uint8(v >> 40)`) p.P(`data[offset+6] = uint8(v >> 48)`) p.P(`data[offset+7] = uint8(v >> 56)`) p.P(`return offset+8`) p.Out() p.P(`}`) p.P(`func encodeFixed32`, p.localName, `(data []byte, offset int, v uint32) int {`) p.In() p.P(`data[offset] = uint8(v)`) p.P(`data[offset+1] = uint8(v >> 8)`) p.P(`data[offset+2] = uint8(v >> 16)`) p.P(`data[offset+3] = uint8(v >> 24)`) p.P(`return offset+4`) p.Out() p.P(`}`) p.P(`func encodeVarint`, p.localName, `(data []byte, offset int, v uint64) int {`) p.In() p.P(`for v >= 1<<7 {`) p.In() p.P(`data[offset] = uint8(v&0x7f|0x80)`) p.P(`v >>= 7`) p.P(`offset++`) p.Out() p.P(`}`) p.P(`data[offset] = uint8(v)`) p.P(`return offset+1`) p.Out() p.P(`}`) } }
func (p *plugin) generateMessage(file *generator.FileDescriptor, message *generator.Descriptor, verbose bool) { ccTypeName := generator.CamelCaseSlice(message.TypeName()) if verbose { p.P(`func (this *`, ccTypeName, `) VerboseEqual(that interface{}) error {`) } else { p.P(`func (this *`, ccTypeName, `) Equal(that interface{}) bool {`) } p.In() p.generateMsgNullAndTypeCheck(ccTypeName, verbose) oneofs := make(map[string]struct{}) for _, field := range message.Field { oneof := field.OneofIndex != nil if oneof { fieldname := p.GetFieldName(message, field) if _, ok := oneofs[fieldname]; ok { continue } else { oneofs[fieldname] = struct{}{} } p.P(`if that1.`, fieldname, ` == nil {`) p.In() p.P(`if this.`, fieldname, ` != nil {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("this.`, fieldname, ` != nil && that1.`, fieldname, ` == nil")`) } else { p.P(`return false`) } p.Out() p.P(`}`) p.Out() p.P(`} else if this.`, fieldname, ` == nil {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("this.`, fieldname, ` == nil && that1.`, fieldname, ` != nil")`) } else { p.P(`return false`) } p.Out() if verbose { p.P(`} else if err := this.`, fieldname, `.VerboseEqual(that1.`, fieldname, `); err != nil {`) } else { p.P(`} else if !this.`, fieldname, `.Equal(that1.`, fieldname, `) {`) } p.In() if verbose { p.P(`return err`) } else { p.P(`return false`) } p.Out() p.P(`}`) } else { p.generateField(file, message, field, verbose) } } if message.DescriptorProto.HasExtension() { fieldname := "XXX_extensions" if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) { p.P(`for k, v := range this.`, fieldname, ` {`) p.In() p.P(`if v2, ok := that1.`, fieldname, `[k]; ok {`) p.In() p.P(`if !v.Equal(&v2) {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this[%v](%v) Not Equal that[%v](%v)", k, this.`, fieldname, `[k], k, that1.`, fieldname, `[k])`) } else { p.P(`return false`) } p.Out() p.P(`}`) p.Out() p.P(`} else {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, `[%v] Not In that", k)`) } else { p.P(`return false`) } p.Out() p.P(`}`) p.Out() p.P(`}`) p.P(`for k, _ := range that1.`, fieldname, ` {`) p.In() p.P(`if _, ok := this.`, fieldname, `[k]; !ok {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, `[%v] Not In this", k)`) } else { p.P(`return false`) } p.Out() p.P(`}`) p.Out() p.P(`}`) } else { p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `, that1.`, fieldname, `) {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this(%v) Not Equal that(%v)", this.`, fieldname, `, that1.`, fieldname, `)`) } else { p.P(`return false`) } p.Out() p.P(`}`) } } if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) { fieldname := "XXX_unrecognized" p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `, that1.`, fieldname, `) {`) p.In() if verbose { p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this(%v) Not Equal that(%v)", this.`, fieldname, `, that1.`, fieldname, `)`) } else { p.P(`return false`) } p.Out() p.P(`}`) } if verbose { p.P(`return nil`) } else { p.P(`return true`) } p.Out() p.P(`}`) //Generate Equal methods for oneof fields m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto) for _, field := range m.Field { oneof := field.OneofIndex != nil if !oneof { continue } ccTypeName := p.OneOfTypeName(message, field) if verbose { p.P(`func (this *`, ccTypeName, `) VerboseEqual(that interface{}) error {`) } else { p.P(`func (this *`, ccTypeName, `) Equal(that interface{}) bool {`) } p.In() p.generateMsgNullAndTypeCheck(ccTypeName, verbose) vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(field) p.generateField(file, message, field, verbose) if verbose { p.P(`return nil`) } else { p.P(`return true`) } p.Out() p.P(`}`) } }