Пример #1
0
func (p *plugin) Generate(file *generator.FileDescriptor) {
	for _, msg := range file.Messages() {
		for _, os := range overwriters {
			possible := true
			for _, overwriter := range os {
				if overwriter(file.FileDescriptorProto, msg.DescriptorProto) {
					possible = false
				}
			}
			if possible {
				p.checkOverwrite(msg, os)
			}
		}
		p.checkNameSpace(msg)
		for _, field := range msg.GetField() {
			if gogoproto.IsEmbed(field) && gogoproto.IsCustomName(field) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v with custom name %v cannot be embedded", *field.Name, gogoproto.GetCustomName(field))
				os.Exit(1)
			}
		}
		p.checkRepeated(msg)
	}
	for _, e := range file.GetExtension() {
		if gogoproto.IsEmbed(e) {
			fmt.Fprintf(os.Stderr, "ERROR: extended field %v cannot be embedded", generator.CamelCase(*e.Name))
			os.Exit(1)
		}
	}
}
Пример #2
0
func (p *plugin) Generate(file *generator.FileDescriptor) {
	for _, msg := range file.Messages() {
		face := gogoproto.IsFace(file.FileDescriptorProto, msg.DescriptorProto)
		for _, field := range msg.GetField() {
			if field.OneofIndex == nil {
				continue
			}
			if face {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in a face and oneof\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if gogoproto.IsEmbed(field) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in an oneof and an embedded field\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if !gogoproto.IsNullable(field) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in an oneof and a non-nullable field\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if gogoproto.IsUnion(file.FileDescriptorProto, msg.DescriptorProto) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in an oneof and in an union (deprecated)\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
		}
	}
}
Пример #3
0
func (p *plugin) checkNameSpace(message *generator.Descriptor) map[string]bool {
	ccTypeName := generator.CamelCaseSlice(message.TypeName())
	names := make(map[string]bool)
	for _, field := range message.Field {
		fieldname := generator.CamelCase(*field.Name)
		if field.IsMessage() && gogoproto.IsEmbed(field) {
			desc := p.ObjectNamed(field.GetTypeName())
			moreNames := p.checkNameSpace(desc.(*generator.Descriptor))
			for another := range moreNames {
				if names[another] {
					fmt.Fprintf(os.Stderr, "ERROR: duplicate embedded fieldname %v in type %v\n", fieldname, ccTypeName)
					os.Exit(1)
				}
				names[another] = true
			}
		} else {
			if names[fieldname] {
				fmt.Fprintf(os.Stderr, "ERROR: duplicate embedded fieldname %v in type %v\n", fieldname, ccTypeName)
				os.Exit(1)
			}
			names[fieldname] = true
		}
	}
	return names
}
Пример #4
0
func (p *plugin) checkRepeated(message *generator.Descriptor) {
	ccTypeName := generator.CamelCaseSlice(message.TypeName())
	for _, field := range message.Field {
		if !gogoproto.IsEmbed(field) {
			continue
		}
		if field.IsBytes() {
			fieldname := generator.CamelCase(*field.Name)
			fmt.Fprintf(os.Stderr, "ERROR: found embedded bytes field %s in message %s\n", fieldname, ccTypeName)
			os.Exit(1)
		}
		if !field.IsRepeated() {
			continue
		}
		fieldname := generator.CamelCase(*field.Name)
		fmt.Fprintf(os.Stderr, "ERROR: found repeated embedded field %s in message %s\n", fieldname, ccTypeName)
		os.Exit(1)
	}
}
Пример #5
0
func (p *plugin) Generate(file *generator.FileDescriptor) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	for _, msg := range file.Messages() {
		getters := gogoproto.HasGoGetters(file.FileDescriptorProto, msg.DescriptorProto)
		face := gogoproto.IsFace(file.FileDescriptorProto, msg.DescriptorProto)
		for _, field := range msg.GetField() {
			if len(field.GetDefaultValue()) > 0 {
				if !getters {
					fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot have a default value and not have a getter method", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
					os.Exit(1)
				}
				if face {
					fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot have a default value be in a face", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
					os.Exit(1)
				}
			}
			if gogoproto.IsNullable(field) {
				continue
			}
			if len(field.GetDefaultValue()) > 0 {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be non-nullable and have a default value", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if !field.IsMessage() && !gogoproto.IsCustomType(field) {
				if field.IsRepeated() {
					fmt.Fprintf(os.Stderr, "WARNING: field %v.%v is a repeated non-nullable native type, nullable=false has no effect\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				} else if proto3 {
					fmt.Fprintf(os.Stderr, "ERROR: field %v.%v is a native type and in proto3 syntax with nullable=false there exists conflicting implementations when encoding zero values", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
					os.Exit(1)
				}
				if field.IsBytes() {
					fmt.Fprintf(os.Stderr, "WARNING: field %v.%v is a non-nullable bytes type, nullable=false has no effect\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				}
			}
			if !field.IsEnum() {
				continue
			}
			enum := p.ObjectNamed(field.GetTypeName()).(*generator.EnumDescriptor)
			if len(enum.Value) == 0 || enum.Value[0].GetNumber() != 0 {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be non-nullable and be an enum type %v which does not start with zero", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name), enum.GetName())
				os.Exit(1)
			}
		}
	}
	for _, e := range file.GetExtension() {
		if !gogoproto.IsNullable(e) {
			fmt.Fprintf(os.Stderr, "ERROR: extended field %v cannot be nullable %v", generator.CamelCase(e.GetName()), generator.CamelCase(*e.Name))
			os.Exit(1)
		}
	}
}
Пример #6
0
func (p *plugin) checkOverwrite(message *generator.Descriptor, enablers map[string]gogoproto.EnableFunc) {
	ccTypeName := generator.CamelCaseSlice(message.TypeName())
	names := []string{}
	for name := range enablers {
		names = append(names, name)
	}
	for _, field := range message.Field {
		if field.IsMessage() && gogoproto.IsEmbed(field) {
			fieldname := generator.CamelCase(*field.Name)
			desc := p.ObjectNamed(field.GetTypeName())
			msg := desc.(*generator.Descriptor)
			for errStr, enabled := range enablers {
				if enabled(msg.File(), msg.DescriptorProto) {
					fmt.Fprintf(os.Stderr, "WARNING: found non-%v %v with embedded %v %v\n", names, ccTypeName, errStr, fieldname)
				}
			}
			p.checkOverwrite(msg, enablers)
		}
	}
}
Пример #7
0
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/maditya/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/maditya/protobuf/sortkeys")

	for _, message := range file.Messages() {
		if !p.overwrite && !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 p.IsMap(field) {
				m := p.GoMapType(nil, field)
				mapgoTyp, keyField, keyAliasField := m.GoType, m.KeyField, m.KeyAliasField
				keysName := `keysFor` + fieldname
				keygoTyp, _ := p.GoType(nil, keyField)
				keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
				keygoAliasTyp, _ := p.GoType(nil, keyAliasField)
				keygoAliasTyp = strings.Replace(keygoAliasTyp, "*", "", 1)
				keyCapTyp := generator.CamelCase(keygoTyp)
				p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`)
				p.P(`for k, _ := range this.`, fieldname, ` {`)
				p.In()
				if keygoAliasTyp == keygoTyp {
					p.P(keysName, ` = append(`, keysName, `, k)`)
				} else {
					p.P(keysName, ` = append(`, keysName, `, `, keygoTyp, `(k))`)
				}
				p.Out()
				p.P(`}`)
				p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
				mapName := `mapStringFor` + fieldname
				p.P(mapName, ` := "`, mapgoTyp, `{"`)
				p.P(`for _, k := range `, keysName, ` {`)
				p.In()
				if keygoAliasTyp == keygoTyp {
					p.P(mapName, ` += fmt.Sprintf("%#v: %#v,", k, this.`, fieldname, `[k])`)
				} else {
					p.P(mapName, ` += fmt.Sprintf("%#v: %#v,", k, this.`, fieldname, `[`, keygoAliasTyp, `(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 || repeated {
					p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\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() {
			if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
				p.P(`s = append(s, "XXX_InternalExtensions: " + extensionToGoString`, p.localName, `(this) + ",\n")`)
			} else {
				p.P(`if this.XXX_extensions != nil {`)
				p.In()
				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, `(m `, protoPkg.Use(), `.Message) string {`)
	p.In()
	p.P(`e := `, protoPkg.Use(), `.GetUnsafeExtensionsMap(m)`)
	p.P(`if e == nil { return "nil" }`)
	p.P(`s := "proto.NewUnsafeXXX_InternalExtensions(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(`}`)

}
Пример #8
0
func (p *marshalto) generateField(proto3 bool, numGen NumGen, file *generator.FileDescriptor, message *generator.Descriptor, field *descriptor.FieldDescriptorProto) {
	fieldname := p.GetOneOfFieldName(message, field)
	nullable := gogoproto.IsNullable(field)
	repeated := field.IsRepeated()
	required := field.IsRequired()

	protoSizer := gogoproto.IsProtoSizer(file.FileDescriptorProto, message.DescriptorProto)
	doNilCheck := gogoproto.NeedsNilCheck(proto3, field)
	if required && nullable {
		p.P(`if m.`, fieldname, `== nil {`)
		p.In()
		if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
			p.P(`return 0, new(`, p.protoPkg.Use(), `.RequiredNotSetError)`)
		} else {
			p.P(`return 0, `, p.protoPkg.Use(), `.NewRequiredNotSetError("`, field.GetName(), `")`)
		}
		p.Out()
		p.P(`} else {`)
	} else if repeated {
		p.P(`if len(m.`, fieldname, `) > 0 {`)
		p.In()
	} else if doNilCheck {
		p.P(`if m.`, fieldname, ` != nil {`)
		p.In()
	}
	packed := field.IsPacked() || (proto3 && field.IsRepeated() && generator.IsScalar(field))
	wireType := field.WireType()
	fieldNumber := field.GetNumber()
	if packed {
		wireType = proto.WireBytes
	}
	switch *field.Type {
	case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
		if !p.unsafe || gogoproto.IsCastType(field) {
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 8`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.P(`f`, numGen.Next(), ` := `, p.mathPkg.Use(), `.Float64bits(float64(num))`)
				p.encodeFixed64("f" + numGen.Current())
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.P(`f`, numGen.Next(), ` := `, p.mathPkg.Use(), `.Float64bits(float64(num))`)
				p.encodeFixed64("f" + numGen.Current())
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.callFixed64(p.mathPkg.Use(), `.Float64bits(float64(m.`+fieldname, `))`)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed64(p.mathPkg.Use(), `.Float64bits(float64(m.`+fieldname, `))`)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed64(p.mathPkg.Use(), `.Float64bits(float64(*m.`+fieldname, `))`)
			}
		} else {
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 8`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.unsafeFixed64("num", "float64")
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64("num", "float64")
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64(`m.`+fieldname, "float64")
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64(`m.`+fieldname, "float64")
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64(`*m.`+fieldname, `float64`)
			}
		}
	case descriptor.FieldDescriptorProto_TYPE_FLOAT:
		if !p.unsafe || gogoproto.IsCastType(field) {
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 4`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.P(`f`, numGen.Next(), ` := `, p.mathPkg.Use(), `.Float32bits(float32(num))`)
				p.encodeFixed32("f" + numGen.Current())
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.P(`f`, numGen.Next(), ` := `, p.mathPkg.Use(), `.Float32bits(float32(num))`)
				p.encodeFixed32("f" + numGen.Current())
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.callFixed32(p.mathPkg.Use(), `.Float32bits(float32(m.`+fieldname, `))`)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed32(p.mathPkg.Use(), `.Float32bits(float32(m.`+fieldname, `))`)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed32(p.mathPkg.Use(), `.Float32bits(float32(*m.`+fieldname, `))`)
			}
		} else {
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 4`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.unsafeFixed32("num", "float32")
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32("num", "float32")
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32(`m.`+fieldname, `float32`)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32(`m.`+fieldname, `float32`)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32(`*m.`+fieldname, "float32")
			}
		}
	case descriptor.FieldDescriptorProto_TYPE_INT64,
		descriptor.FieldDescriptorProto_TYPE_UINT64,
		descriptor.FieldDescriptorProto_TYPE_INT32,
		descriptor.FieldDescriptorProto_TYPE_UINT32,
		descriptor.FieldDescriptorProto_TYPE_ENUM:
		if packed {
			jvar := "j" + numGen.Next()
			p.P(`data`, numGen.Next(), ` := make([]byte, len(m.`, fieldname, `)*10)`)
			p.P(`var `, jvar, ` int`)
			if *field.Type == descriptor.FieldDescriptorProto_TYPE_INT64 ||
				*field.Type == descriptor.FieldDescriptorProto_TYPE_INT32 {
				p.P(`for _, num1 := range m.`, fieldname, ` {`)
				p.In()
				p.P(`num := uint64(num1)`)
			} else {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
			}
			p.P(`for num >= 1<<7 {`)
			p.In()
			p.P(`data`, numGen.Current(), `[`, jvar, `] = uint8(uint64(num)&0x7f|0x80)`)
			p.P(`num >>= 7`)
			p.P(jvar, `++`)
			p.Out()
			p.P(`}`)
			p.P(`data`, numGen.Current(), `[`, jvar, `] = uint8(num)`)
			p.P(jvar, `++`)
			p.Out()
			p.P(`}`)
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(jvar)
			p.P(`i += copy(data[i:], data`, numGen.Current(), `[:`, jvar, `])`)
		} else if repeated {
			p.P(`for _, num := range m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.callVarint("num")
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`m.`, fieldname)
			p.Out()
			p.P(`}`)
		} else if !nullable {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`m.`, fieldname)
		} else {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`*m.`, fieldname)
		}
	case descriptor.FieldDescriptorProto_TYPE_FIXED64,
		descriptor.FieldDescriptorProto_TYPE_SFIXED64:
		if !p.unsafe {
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 8`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeFixed64("num")
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.encodeFixed64("num")
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.callFixed64("m." + fieldname)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed64("m." + fieldname)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed64("*m." + fieldname)
			}
		} else {
			typeName := "int64"
			if *field.Type == descriptor.FieldDescriptorProto_TYPE_FIXED64 {
				typeName = "uint64"
			}
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 8`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.unsafeFixed64("num", typeName)
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64("num", typeName)
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64("m."+fieldname, typeName)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64("m."+fieldname, typeName)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed64("*m."+fieldname, typeName)
			}
		}
	case descriptor.FieldDescriptorProto_TYPE_FIXED32,
		descriptor.FieldDescriptorProto_TYPE_SFIXED32:
		if !p.unsafe {
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 4`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeFixed32("num")
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.encodeFixed32("num")
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.callFixed32("m." + fieldname)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed32("m." + fieldname)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.callFixed32("*m." + fieldname)
			}
		} else {
			typeName := "int32"
			if *field.Type == descriptor.FieldDescriptorProto_TYPE_FIXED32 {
				typeName = "uint32"
			}
			if packed {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `) * 4`)
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.unsafeFixed32("num", typeName)
				p.Out()
				p.P(`}`)
			} else if repeated {
				p.P(`for _, num := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32("num", typeName)
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if m.`, fieldname, ` != 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32("m."+fieldname, typeName)
				p.Out()
				p.P(`}`)
			} else if !nullable {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32("m."+fieldname, typeName)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.unsafeFixed32("*m."+fieldname, typeName)
			}
		}
	case descriptor.FieldDescriptorProto_TYPE_BOOL:
		if packed {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`len(m.`, fieldname, `)`)
			p.P(`for _, b := range m.`, fieldname, ` {`)
			p.In()
			p.P(`if b {`)
			p.In()
			p.P(`data[i] = 1`)
			p.Out()
			p.P(`} else {`)
			p.In()
			p.P(`data[i] = 0`)
			p.Out()
			p.P(`}`)
			p.P(`i++`)
			p.Out()
			p.P(`}`)
		} else if repeated {
			p.P(`for _, b := range m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.P(`if b {`)
			p.In()
			p.P(`data[i] = 1`)
			p.Out()
			p.P(`} else {`)
			p.In()
			p.P(`data[i] = 0`)
			p.Out()
			p.P(`}`)
			p.P(`i++`)
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.P(`if m.`, fieldname, ` {`)
			p.In()
			p.P(`data[i] = 1`)
			p.Out()
			p.P(`} else {`)
			p.In()
			p.P(`data[i] = 0`)
			p.Out()
			p.P(`}`)
			p.P(`i++`)
			p.Out()
			p.P(`}`)
		} else if !nullable {
			p.encodeKey(fieldNumber, wireType)
			p.P(`if m.`, fieldname, ` {`)
			p.In()
			p.P(`data[i] = 1`)
			p.Out()
			p.P(`} else {`)
			p.In()
			p.P(`data[i] = 0`)
			p.Out()
			p.P(`}`)
			p.P(`i++`)
		} else {
			p.encodeKey(fieldNumber, wireType)
			p.P(`if *m.`, fieldname, ` {`)
			p.In()
			p.P(`data[i] = 1`)
			p.Out()
			p.P(`} else {`)
			p.In()
			p.P(`data[i] = 0`)
			p.Out()
			p.P(`}`)
			p.P(`i++`)
		}
	case descriptor.FieldDescriptorProto_TYPE_STRING:
		if repeated {
			p.P(`for _, s := range m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.P(`l = len(s)`)
			p.encodeVarint("l")
			p.P(`i+=copy(data[i:], s)`)
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if len(m.`, fieldname, `) > 0 {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`len(m.`, fieldname, `)`)
			p.P(`i+=copy(data[i:], m.`, fieldname, `)`)
			p.Out()
			p.P(`}`)
		} else if !nullable {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`len(m.`, fieldname, `)`)
			p.P(`i+=copy(data[i:], m.`, fieldname, `)`)
		} else {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`len(*m.`, fieldname, `)`)
			p.P(`i+=copy(data[i:], *m.`, fieldname, `)`)
		}
	case descriptor.FieldDescriptorProto_TYPE_GROUP:
		panic(fmt.Errorf("marshaler does not support group %v", fieldname))
	case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
		if p.IsMap(field) {
			m := p.GoMapType(nil, field)
			keygoTyp, keywire := p.GoType(nil, m.KeyField)
			keygoAliasTyp, _ := p.GoType(nil, m.KeyAliasField)
			// keys may not be pointers
			keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
			keygoAliasTyp = strings.Replace(keygoAliasTyp, "*", "", 1)
			keyCapTyp := generator.CamelCase(keygoTyp)
			valuegoTyp, valuewire := p.GoType(nil, m.ValueField)
			valuegoAliasTyp, _ := p.GoType(nil, m.ValueAliasField)
			nullable, valuegoTyp, valuegoAliasTyp = generator.GoMapValueTypes(field, m.ValueField, valuegoTyp, valuegoAliasTyp)
			keyKeySize := keySize(1, wireToType(keywire))
			valueKeySize := keySize(2, wireToType(valuewire))
			if gogoproto.IsStableMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
				keysName := `keysFor` + fieldname
				p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(m.`, fieldname, `))`)
				p.P(`for k, _ := range m.`, fieldname, ` {`)
				p.In()
				p.P(keysName, ` = append(`, keysName, `, `, keygoTyp, `(k))`)
				p.Out()
				p.P(`}`)
				p.P(p.sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
				p.P(`for _, k := range `, keysName, ` {`)
			} else {
				p.P(`for k, _ := range m.`, fieldname, ` {`)
			}
			p.In()
			p.encodeKey(fieldNumber, wireType)
			sum := []string{strconv.Itoa(keyKeySize)}
			switch m.KeyField.GetType() {
			case descriptor.FieldDescriptorProto_TYPE_DOUBLE,
				descriptor.FieldDescriptorProto_TYPE_FIXED64,
				descriptor.FieldDescriptorProto_TYPE_SFIXED64:
				sum = append(sum, `8`)
			case descriptor.FieldDescriptorProto_TYPE_FLOAT,
				descriptor.FieldDescriptorProto_TYPE_FIXED32,
				descriptor.FieldDescriptorProto_TYPE_SFIXED32:
				sum = append(sum, `4`)
			case descriptor.FieldDescriptorProto_TYPE_INT64,
				descriptor.FieldDescriptorProto_TYPE_UINT64,
				descriptor.FieldDescriptorProto_TYPE_UINT32,
				descriptor.FieldDescriptorProto_TYPE_ENUM,
				descriptor.FieldDescriptorProto_TYPE_INT32:
				sum = append(sum, `sov`+p.localName+`(uint64(k))`)
			case descriptor.FieldDescriptorProto_TYPE_BOOL:
				sum = append(sum, `1`)
			case descriptor.FieldDescriptorProto_TYPE_STRING,
				descriptor.FieldDescriptorProto_TYPE_BYTES:
				sum = append(sum, `len(k)+sov`+p.localName+`(uint64(len(k)))`)
			case descriptor.FieldDescriptorProto_TYPE_SINT32,
				descriptor.FieldDescriptorProto_TYPE_SINT64:
				sum = append(sum, `soz`+p.localName+`(uint64(k))`)
			}
			if gogoproto.IsStableMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
				p.P(`v := m.`, fieldname, `[`, keygoAliasTyp, `(k)]`)
			} else {
				p.P(`v := m.`, fieldname, `[k]`)
			}
			accessor := `v`
			switch m.ValueField.GetType() {
			case descriptor.FieldDescriptorProto_TYPE_DOUBLE,
				descriptor.FieldDescriptorProto_TYPE_FIXED64,
				descriptor.FieldDescriptorProto_TYPE_SFIXED64:
				sum = append(sum, strconv.Itoa(valueKeySize))
				sum = append(sum, strconv.Itoa(8))
			case descriptor.FieldDescriptorProto_TYPE_FLOAT,
				descriptor.FieldDescriptorProto_TYPE_FIXED32,
				descriptor.FieldDescriptorProto_TYPE_SFIXED32:
				sum = append(sum, strconv.Itoa(valueKeySize))
				sum = append(sum, strconv.Itoa(4))
			case descriptor.FieldDescriptorProto_TYPE_INT64,
				descriptor.FieldDescriptorProto_TYPE_UINT64,
				descriptor.FieldDescriptorProto_TYPE_UINT32,
				descriptor.FieldDescriptorProto_TYPE_ENUM,
				descriptor.FieldDescriptorProto_TYPE_INT32:
				sum = append(sum, strconv.Itoa(valueKeySize))
				sum = append(sum, `sov`+p.localName+`(uint64(v))`)
			case descriptor.FieldDescriptorProto_TYPE_BOOL:
				sum = append(sum, strconv.Itoa(valueKeySize))
				sum = append(sum, `1`)
			case descriptor.FieldDescriptorProto_TYPE_STRING:
				sum = append(sum, strconv.Itoa(valueKeySize))
				sum = append(sum, `len(v)+sov`+p.localName+`(uint64(len(v)))`)
			case descriptor.FieldDescriptorProto_TYPE_BYTES:
				if gogoproto.IsCustomType(field) {
					p.P(`cSize := 0`)
					if gogoproto.IsNullable(field) {
						p.P(`if `, accessor, ` != nil {`)
						p.In()
					}
					p.P(`cSize = `, accessor, `.Size()`)
					p.P(`cSize += `, strconv.Itoa(valueKeySize), ` + sov`+p.localName+`(uint64(cSize))`)
					if gogoproto.IsNullable(field) {
						p.Out()
						p.P(`}`)
					}
					sum = append(sum, `cSize`)
				} else {
					p.P(`byteSize := 0`)
					if proto3 {
						p.P(`if len(v) > 0 {`)
					} else {
						p.P(`if v != nil {`)
					}
					p.In()
					p.P(`byteSize = `, strconv.Itoa(valueKeySize), ` + len(v)+sov`+p.localName+`(uint64(len(v)))`)
					p.Out()
					p.P(`}`)
					sum = append(sum, `byteSize`)
				}
			case descriptor.FieldDescriptorProto_TYPE_SINT32,
				descriptor.FieldDescriptorProto_TYPE_SINT64:
				sum = append(sum, strconv.Itoa(valueKeySize))
				sum = append(sum, `soz`+p.localName+`(uint64(v))`)
			case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
				if valuegoTyp != valuegoAliasTyp &&
					!gogoproto.IsStdTime(field) &&
					!gogoproto.IsStdDuration(field) {
					if nullable {
						// cast back to the type that has the generated methods on it
						accessor = `((` + valuegoTyp + `)(` + accessor + `))`
					} else {
						accessor = `((*` + valuegoTyp + `)(&` + accessor + `))`
					}
				} else if !nullable {
					accessor = `(&v)`
				}
				p.P(`msgSize := 0`)
				p.P(`if `, accessor, ` != nil {`)
				p.In()
				if gogoproto.IsStdTime(field) {
					p.P(`msgSize = `, p.typesPkg.Use(), `.SizeOfStdTime(*`, accessor, `)`)
				} else if gogoproto.IsStdDuration(field) {
					p.P(`msgSize = `, p.typesPkg.Use(), `.SizeOfStdDuration(*`, accessor, `)`)
				} else if protoSizer {
					p.P(`msgSize = `, accessor, `.ProtoSize()`)
				} else {
					p.P(`msgSize = `, accessor, `.Size()`)
				}
				p.P(`msgSize += `, strconv.Itoa(valueKeySize), ` + sov`+p.localName+`(uint64(msgSize))`)
				p.Out()
				p.P(`}`)
				sum = append(sum, `msgSize`)
			}
			p.P(`mapSize := `, strings.Join(sum, " + "))
			p.callVarint("mapSize")
			p.encodeKey(1, wireToType(keywire))
			p.mapField(numGen, field, m.KeyField, "k", protoSizer)
			nullableMsg := nullable && (m.ValueField.GetType() == descriptor.FieldDescriptorProto_TYPE_MESSAGE ||
				gogoproto.IsCustomType(field) && m.ValueField.IsBytes())
			plainBytes := m.ValueField.IsBytes() && !gogoproto.IsCustomType(field)
			if nullableMsg {
				p.P(`if `, accessor, ` != nil { `)
				p.In()
			} else if plainBytes {
				if proto3 {
					p.P(`if len(`, accessor, `) > 0 {`)
				} else {
					p.P(`if `, accessor, ` != nil {`)
				}
				p.In()
			}
			p.encodeKey(2, wireToType(valuewire))
			p.mapField(numGen, field, m.ValueField, accessor, protoSizer)
			if nullableMsg || plainBytes {
				p.Out()
				p.P(`}`)
			}
			p.Out()
			p.P(`}`)
		} else if repeated {
			p.P(`for _, msg := range m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			varName := "msg"
			if gogoproto.IsStdTime(field) {
				if gogoproto.IsNullable(field) {
					varName = "*" + varName
				}
				p.callVarint(p.typesPkg.Use(), `.SizeOfStdTime(`, varName, `)`)
				p.P(`n, err := `, p.typesPkg.Use(), `.StdTimeMarshalTo(`, varName, `, data[i:])`)
			} else if gogoproto.IsStdDuration(field) {
				if gogoproto.IsNullable(field) {
					varName = "*" + varName
				}
				p.callVarint(p.typesPkg.Use(), `.SizeOfStdDuration(`, varName, `)`)
				p.P(`n, err := `, p.typesPkg.Use(), `.StdDurationMarshalTo(`, varName, `, data[i:])`)
			} else if protoSizer {
				p.callVarint(varName, ".ProtoSize()")
				p.P(`n, err := `, varName, `.MarshalTo(data[i:])`)
			} else {
				p.callVarint(varName, ".Size()")
				p.P(`n, err := `, varName, `.MarshalTo(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.encodeKey(fieldNumber, wireType)
			varName := `m.` + fieldname
			if gogoproto.IsStdTime(field) {
				if gogoproto.IsNullable(field) {
					varName = "*" + varName
				}
				p.callVarint(p.typesPkg.Use(), `.SizeOfStdTime(`, varName, `)`)
				p.P(`n`, numGen.Next(), `, err := `, p.typesPkg.Use(), `.StdTimeMarshalTo(`, varName, `, data[i:])`)
			} else if gogoproto.IsStdDuration(field) {
				if gogoproto.IsNullable(field) {
					varName = "*" + varName
				}
				p.callVarint(p.typesPkg.Use(), `.SizeOfStdDuration(`, varName, `)`)
				p.P(`n`, numGen.Next(), `, err := `, p.typesPkg.Use(), `.StdDurationMarshalTo(`, varName, `, data[i:])`)
			} else if protoSizer {
				p.callVarint(varName, `.ProtoSize()`)
				p.P(`n`, numGen.Next(), `, err := `, varName, `.MarshalTo(data[i:])`)
			} else {
				p.callVarint(varName, `.Size()`)
				p.P(`n`, numGen.Next(), `, err := `, varName, `.MarshalTo(data[i:])`)
			}
			p.P(`if err != nil {`)
			p.In()
			p.P(`return 0, err`)
			p.Out()
			p.P(`}`)
			p.P(`i+=n`, numGen.Current())
		}
	case descriptor.FieldDescriptorProto_TYPE_BYTES:
		if !gogoproto.IsCustomType(field) {
			if repeated {
				p.P(`for _, b := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.callVarint("len(b)")
				p.P(`i+=copy(data[i:], b)`)
				p.Out()
				p.P(`}`)
			} else if proto3 {
				p.P(`if len(m.`, fieldname, `) > 0 {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `)`)
				p.P(`i+=copy(data[i:], m.`, fieldname, `)`)
				p.Out()
				p.P(`}`)
			} else {
				p.encodeKey(fieldNumber, wireType)
				p.callVarint(`len(m.`, fieldname, `)`)
				p.P(`i+=copy(data[i:], m.`, fieldname, `)`)
			}
		} else {
			if repeated {
				p.P(`for _, msg := range m.`, fieldname, ` {`)
				p.In()
				p.encodeKey(fieldNumber, wireType)
				if protoSizer {
					p.callVarint(`msg.ProtoSize()`)
				} else {
					p.callVarint(`msg.Size()`)
				}
				p.P(`n, err := msg.MarshalTo(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.encodeKey(fieldNumber, wireType)
				if protoSizer {
					p.callVarint(`m.`, fieldname, `.ProtoSize()`)
				} else {
					p.callVarint(`m.`, fieldname, `.Size()`)
				}
				p.P(`n`, 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+=n`, numGen.Current())
			}
		}
	case descriptor.FieldDescriptorProto_TYPE_SINT32:
		if packed {
			datavar := "data" + numGen.Next()
			jvar := "j" + numGen.Next()
			p.P(datavar, ` := make([]byte, len(m.`, fieldname, ")*5)")
			p.P(`var `, jvar, ` int`)
			p.P(`for _, num := range m.`, fieldname, ` {`)
			p.In()
			xvar := "x" + numGen.Next()
			p.P(xvar, ` := (uint32(num) << 1) ^ uint32((num >> 31))`)
			p.P(`for `, xvar, ` >= 1<<7 {`)
			p.In()
			p.P(datavar, `[`, jvar, `] = uint8(uint64(`, xvar, `)&0x7f|0x80)`)
			p.P(jvar, `++`)
			p.P(xvar, ` >>= 7`)
			p.Out()
			p.P(`}`)
			p.P(datavar, `[`, jvar, `] = uint8(`, xvar, `)`)
			p.P(jvar, `++`)
			p.Out()
			p.P(`}`)
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(jvar)
			p.P(`i+=copy(data[i:], `, datavar, `[:`, jvar, `])`)
		} else if repeated {
			p.P(`for _, num := range m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.P(`x`, numGen.Next(), ` := (uint32(num) << 1) ^ uint32((num >> 31))`)
			p.encodeVarint("x" + numGen.Current())
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`(uint32(m.`, fieldname, `) << 1) ^ uint32((m.`, fieldname, ` >> 31))`)
			p.Out()
			p.P(`}`)
		} else if !nullable {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`(uint32(m.`, fieldname, `) << 1) ^ uint32((m.`, fieldname, ` >> 31))`)
		} else {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`(uint32(*m.`, fieldname, `) << 1) ^ uint32((*m.`, fieldname, ` >> 31))`)
		}
	case descriptor.FieldDescriptorProto_TYPE_SINT64:
		if packed {
			jvar := "j" + numGen.Next()
			xvar := "x" + numGen.Next()
			datavar := "data" + numGen.Next()
			p.P(`var `, jvar, ` int`)
			p.P(datavar, ` := make([]byte, len(m.`, fieldname, `)*10)`)
			p.P(`for _, num := range m.`, fieldname, ` {`)
			p.In()
			p.P(xvar, ` := (uint64(num) << 1) ^ uint64((num >> 63))`)
			p.P(`for `, xvar, ` >= 1<<7 {`)
			p.In()
			p.P(datavar, `[`, jvar, `] = uint8(uint64(`, xvar, `)&0x7f|0x80)`)
			p.P(jvar, `++`)
			p.P(xvar, ` >>= 7`)
			p.Out()
			p.P(`}`)
			p.P(datavar, `[`, jvar, `] = uint8(`, xvar, `)`)
			p.P(jvar, `++`)
			p.Out()
			p.P(`}`)
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(jvar)
			p.P(`i+=copy(data[i:], `, datavar, `[:`, jvar, `])`)
		} else if repeated {
			p.P(`for _, num := range m.`, fieldname, ` {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.P(`x`, numGen.Next(), ` := (uint64(num) << 1) ^ uint64((num >> 63))`)
			p.encodeVarint("x" + numGen.Current())
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`(uint64(m.`, fieldname, `) << 1) ^ uint64((m.`, fieldname, ` >> 63))`)
			p.Out()
			p.P(`}`)
		} else if !nullable {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`(uint64(m.`, fieldname, `) << 1) ^ uint64((m.`, fieldname, ` >> 63))`)
		} else {
			p.encodeKey(fieldNumber, wireType)
			p.callVarint(`(uint64(*m.`, fieldname, `) << 1) ^ uint64((*m.`, fieldname, ` >> 63))`)
		}
	default:
		panic("not implemented")
	}
	if (required && nullable) || repeated || doNilCheck {
		p.Out()
		p.P(`}`)
	}
}
Пример #9
0
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/maditya/protobuf/sortkeys")
	protoPkg := p.NewImport("github.com/maditya/protobuf/proto")
	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 !p.IsMap(field) {
				continue
			}
			fieldname := p.GetFieldName(message, field)

			m := p.GoMapType(nil, field)
			mapgoTyp, keyField, keyAliasField := m.GoType, m.KeyField, m.KeyAliasField
			keysName := `keysFor` + fieldname
			keygoTyp, _ := p.GoType(nil, keyField)
			keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
			keygoAliasTyp, _ := p.GoType(nil, keyAliasField)
			keygoAliasTyp = strings.Replace(keygoAliasTyp, "*", "", 1)
			keyCapTyp := generator.CamelCase(keygoTyp)
			p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`)
			p.P(`for k, _ := range this.`, fieldname, ` {`)
			p.In()
			if keygoAliasTyp == keygoTyp {
				p.P(keysName, ` = append(`, keysName, `, k)`)
			} else {
				p.P(keysName, ` = append(`, keysName, `, `, keygoTyp, `(k))`)
			}
			p.Out()
			p.P(`}`)
			p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
			mapName := `mapStringFor` + fieldname
			p.P(mapName, ` := "`, mapgoTyp, `{"`)
			p.P(`for _, k := range `, keysName, ` {`)
			p.In()
			if keygoAliasTyp == keygoTyp {
				p.P(mapName, ` += fmt.Sprintf("%v: %v,", k, this.`, fieldname, `[k])`)
			} else {
				p.P(mapName, ` += fmt.Sprintf("%v: %v,", k, this.`, fieldname, `[`, keygoAliasTyp, `(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 p.IsMap(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_InternalExtensions:` + ", protoPkg.Use(), ".StringFromInternalExtension(this) + `,`,")
			} else {
				p.P("`XXX_extensions:` + ", protoPkg.Use(), ".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(`}`)

}