func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
	used := false
	randPkg := imports.NewImport("math/rand")
	timePkg := imports.NewImport("time")
	testingPkg := imports.NewImport("testing")
	for _, message := range file.Messages() {
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		if !gogoproto.IsFace(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			used = true

			p.P(`func Test`, ccTypeName, `Face(t *`, testingPkg.Use(), `.T) {`)
			p.In()
			p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
			p.P(`p := NewPopulated`, ccTypeName, `(popr, true)`)
			p.P(`msg := p.TestProto()`)
			p.P(`if !p.Equal(msg) {`)
			p.In()
			p.P(`t.Fatalf("%#v !Face Equal %#v", msg, p)`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		}

	}
	return used
}

func (p *enumstringer) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false

	p.localName = generator.FileName(file)

	strconvPkg := p.NewImport("strconv")

	for _, enum := range file.Enums() {
		if !gogoproto.IsEnumStringer(file.FileDescriptorProto, enum.EnumDescriptorProto) {
			continue
		}
		if gogoproto.IsGoEnumStringer(file.FileDescriptorProto, enum.EnumDescriptorProto) {
			panic("old enum string method needs to be disabled, please use gogoproto.old_enum_stringer or gogoproto.old_enum_string_all and set it to false")
		}
		p.atleastOne = true
		ccTypeName := generator.CamelCaseSlice(enum.TypeName())
		p.P("func (x ", ccTypeName, ") String() string {")
		p.In()
		p.P(`s, ok := `, ccTypeName, `_name[int32(x)]`)
		p.P(`if ok {`)
		p.In()
		p.P(`return s`)
		p.Out()
		p.P(`}`)
		p.P(`return `, strconvPkg.Use(), `.Itoa(int(x))`)
		p.Out()
		p.P(`}`)
	}

	if !p.atleastOne {
		return
	}

}

func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
	used := false
	randPkg := imports.NewImport("math/rand")
	timePkg := imports.NewImport("time")
	testingPkg := imports.NewImport("testing")
	fmtPkg := imports.NewImport("fmt")
	for _, message := range file.Messages() {
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		if !gogoproto.IsStringer(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			used = true
			p.P(`func Test`, ccTypeName, `Stringer(t *`, testingPkg.Use(), `.T) {`)
			p.In()
			p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
			p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
			p.P(`s1 := p.String()`)
			p.P(`s2 := `, fmtPkg.Use(), `.Sprintf("%v", p)`)
			p.P(`if s1 != s2 {`)
			p.In()
			p.P(`t.Fatalf("String want %v got %v", s1, s2)`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		}

	}
	return used
}

func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
	used := false
	testingPkg := imports.NewImport("testing")
	for _, message := range file.Messages() {
		if !gogoproto.HasDescription(file.FileDescriptorProto, message.DescriptorProto) ||
			!gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		used = true
	}

	if used {
		localName := generator.FileName(file)
		p.P(`func Test`, localName, `Description(t *`, testingPkg.Use(), `.T) {`)
		p.In()
		p.P(localName, `Description()`)
		p.Out()
		p.P(`}`)

	}
	return used
}

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)
		}
	}
}

func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
	used := false
	randPkg := imports.NewImport("math/rand")
	timePkg := imports.NewImport("time")
	testingPkg := imports.NewImport("testing")
	protoPkg := imports.NewImport("github.com/pixty/gogoprotobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = imports.NewImport("github.com/golang/protobuf/proto")
	}
	for _, message := range file.Messages() {
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		if !gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			used = true
			p.P(`func Test`, ccTypeName, `VerboseEqual(t *`, testingPkg.Use(), `.T) {`)
			p.In()
			p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
			p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
			p.P(`data, err := `, protoPkg.Use(), `.Marshal(p)`)
			p.P(`if err != nil {`)
			p.In()
			p.P(`panic(err)`)
			p.Out()
			p.P(`}`)
			p.P(`msg := &`, ccTypeName, `{}`)
			p.P(`if err := `, protoPkg.Use(), `.Unmarshal(data, msg); err != nil {`)
			p.In()
			p.P(`panic(err)`)
			p.Out()
			p.P(`}`)
			p.P(`if err := p.VerboseEqual(msg); err != nil {`)
			p.In()
			p.P(`t.Fatalf("%#v !VerboseEqual %#v, since %v", msg, p, err)`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		}

	}
	return used
}

func (p *plugin) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.fmtPkg = p.NewImport("fmt")
	p.bytesPkg = p.NewImport("bytes")

	for _, msg := range file.Messages() {
		if msg.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		if gogoproto.HasVerboseEqual(file.FileDescriptorProto, msg.DescriptorProto) {
			p.generateMessage(file, msg, true)
		}
		if gogoproto.HasEqual(file.FileDescriptorProto, msg.DescriptorProto) {
			p.generateMessage(file, msg, false)
		}
	}
}

func (p *plugin) Generate(file *generator.FileDescriptor) {
	p.used = false
	localName := generator.FileName(file)
	for _, message := range file.Messages() {
		if !gogoproto.HasDescription(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		p.used = true
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func (this *`, ccTypeName, `) Description() (desc *google_protobuf.FileDescriptorSet) {`)
		p.In()
		p.P(`return `, localName, `Description()`)
		p.Out()
		p.P(`}`)
	}

	if p.used {

		p.P(`func `, localName, `Description() (desc *google_protobuf.FileDescriptorSet) {`)
		p.In()
		//Don't generate SourceCodeInfo, since it will create too much code.

		ss := make([]*descriptor.SourceCodeInfo, 0)
		for _, f := range p.Generator.AllFiles().GetFile() {
			ss = append(ss, f.SourceCodeInfo)
			f.SourceCodeInfo = nil
		}
		s := fmt.Sprintf("%#v", p.Generator.AllFiles())
		for i, f := range p.Generator.AllFiles().GetFile() {
			f.SourceCodeInfo = ss[i]
		}
		p.P(`return `, s)
		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/pixty/gogoprotobuf/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/pixty/gogoprotobuf/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(`}`)

		outFlds := []string{}
		for _, field := range message.Field {
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			fieldname := p.GetFieldName(message, field)
			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, ` += "}"`)
				tmp := strings.Join([]string{"`", fieldname, ":` + ", mapName}, "")
				outFlds = append(outFlds, tmp)
			} else if field.IsMessage() || p.IsGroup(field) {
				tmp := strings.Join([]string{"`", fieldname, ":` + "}, "")
				if nullable {
					tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`}, "")
				} else if repeated {
					tmp += strings.Join([]string{stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`, ",`&`,``,1)"}, "")
				} else {
					tmp += strings.Join([]string{stringsPkg.Use(), `.Replace(this.`, fieldname, `.GoString()`, ",`&`,``,1)"}, "")
				}
				outFlds = append(outFlds, tmp)
			} else {
				tmp := strings.Join([]string{"`", fieldname, ":` + "}, "")
				if field.IsEnum() {
					if nullable && !repeated && !proto3 {
						goTyp, _ := p.GoType(message, field)
						tmp += strings.Join([]string{`valueToGoString`, p.localName, `(this.`, fieldname, `,"`, packageName, ".", generator.GoTypeToName(goTyp), `"`, ")"}, "")
					} else {
						tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "")
					}
				} else {
					if nullable && !repeated && !proto3 {
						goTyp, _ := p.GoType(message, field)
						tmp += strings.Join([]string{`valueToGoString`, p.localName, `(this.`, fieldname, `,"`, generator.GoTypeToName(goTyp), `"`, ")"}, "")
					} else {
						tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "")
					}
				}
				outFlds = append(outFlds, tmp)
			}
		}
//.........这里部分代码省略.........

// generateService generates all the code for the named service.
func (g *grpc) generateService(file *generator.FileDescriptor, service *pb.ServiceDescriptorProto, index int) {
	path := fmt.Sprintf("6,%d", index) // 6 means service.

	origServName := service.GetName()
	fullServName := file.GetPackage() + "." + origServName
	servName := generator.CamelCase(origServName)

	g.P()
	g.P("// Client API for ", servName, " service")
	g.P()

	// Client interface.
	g.P("type ", servName, "Client interface {")
	for i, method := range service.Method {
		g.gen.PrintComments(fmt.Sprintf("%s,2,%d", path, i)) // 2 means method in a service.
		g.P(g.generateClientSignature(servName, method))
	}
	g.P("}")
	g.P()

	// Client structure.
	g.P("type ", unexport(servName), "Client struct {")
	g.P("cc *", grpcPkg, ".ClientConn")
	g.P("}")
	g.P()

	// NewClient factory.
	g.P("func New", servName, "Client (cc *", grpcPkg, ".ClientConn) ", servName, "Client {")
	g.P("return &", unexport(servName), "Client{cc}")
	g.P("}")
	g.P()

	var methodIndex, streamIndex int
	serviceDescVar := "_" + servName + "_serviceDesc"
	// Client method implementations.
	for _, method := range service.Method {
		var descExpr string
		if !method.GetServerStreaming() && !method.GetClientStreaming() {
			// Unary RPC method
			descExpr = fmt.Sprintf("&%s.Methods[%d]", serviceDescVar, methodIndex)
			methodIndex++
		} else {
			// Streaming RPC method
			descExpr = fmt.Sprintf("&%s.Streams[%d]", serviceDescVar, streamIndex)
			streamIndex++
		}
		g.generateClientMethod(servName, fullServName, serviceDescVar, method, descExpr)
	}

	g.P("// Server API for ", servName, " service")
	g.P()

	// Server interface.
	serverType := servName + "Server"
	g.P("type ", serverType, " interface {")
	for i, method := range service.Method {
		g.gen.PrintComments(fmt.Sprintf("%s,2,%d", path, i)) // 2 means method in a service.
		g.P(g.generateServerSignature(servName, method))
	}
	g.P("}")
	g.P()

	// Server registration.
	g.P("func Register", servName, "Server(s *", grpcPkg, ".Server, srv ", serverType, ") {")
	g.P("s.RegisterService(&", serviceDescVar, `, srv)`)
	g.P("}")
	g.P()

	// Server handler implementations.
	var handlerNames []string
	for _, method := range service.Method {
		hname := g.generateServerMethod(servName, method)
		handlerNames = append(handlerNames, hname)
	}

	// Service descriptor.
	g.P("var ", serviceDescVar, " = ", grpcPkg, ".ServiceDesc {")
	g.P("ServiceName: ", strconv.Quote(fullServName), ",")
	g.P("HandlerType: (*", serverType, ")(nil),")
	g.P("Methods: []", grpcPkg, ".MethodDesc{")
	for i, method := range service.Method {
		if method.GetServerStreaming() || method.GetClientStreaming() {
			continue
		}
		g.P("{")
		g.P("MethodName: ", strconv.Quote(method.GetName()), ",")
		g.P("Handler: ", handlerNames[i], ",")
		g.P("},")
	}
	g.P("},")
	g.P("Streams: []", grpcPkg, ".StreamDesc{")
	for i, method := range service.Method {
		if !method.GetServerStreaming() && !method.GetClientStreaming() {
			continue
		}
		g.P("{")
		g.P("StreamName: ", strconv.Quote(method.GetName()), ",")
		g.P("Handler: ", handlerNames[i], ",")
		if method.GetServerStreaming() {
//.........这里部分代码省略.........

func (p *plugin) Generate(file *generator.FileDescriptor) {
	p.atleastOne = false
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.varGen = NewVarGen()
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)

	p.localName = generator.FileName(file)
	protoPkg := p.NewImport("github.com/pixty/gogoprotobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}

	for _, message := range file.Messages() {
		if !gogoproto.HasPopulate(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		p.atleastOne = true
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func NewPopulated`, ccTypeName, `(r randy`, p.localName, `, easy bool) *`, ccTypeName, ` {`)
		p.In()
		p.P(`this := &`, ccTypeName, `{}`)
		if gogoproto.IsUnion(message.File(), message.DescriptorProto) && len(message.Field) > 0 {
			loopLevels := make([]int, len(message.Field))
			maxLoopLevel := 0
			for i, field := range message.Field {
				loopLevels[i] = p.loops(field, message)
				if loopLevels[i] > maxLoopLevel {
					maxLoopLevel = loopLevels[i]
				}
			}
			ran := 0
			for i := range loopLevels {
				ran += int(math.Pow10(maxLoopLevel - loopLevels[i]))
			}
			p.P(`fieldNum := r.Intn(`, fmt.Sprintf("%d", ran), `)`)
			p.P(`switch fieldNum {`)
			k := 0
			for i, field := range message.Field {
				is := []string{}
				ran := int(math.Pow10(maxLoopLevel - loopLevels[i]))
				for j := 0; j < ran; j++ {
					is = append(is, fmt.Sprintf("%d", j+k))
				}
				k += ran
				p.P(`case `, strings.Join(is, ","), `:`)
				p.In()
				p.GenerateField(file, message, field)
				p.Out()
			}
			p.P(`}`)
		} else {
			var maxFieldNumber int32
			for _, field := range message.Field {
				if field.IsRequired() || (!gogoproto.IsNullable(field) && !field.IsRepeated()) || (proto3 && !field.IsMessage()) {
					p.GenerateField(file, message, field)
				} else {
					p.P(`if r.Intn(10) != 0 {`)
					p.In()
					p.GenerateField(file, message, field)
					p.Out()
					p.P(`}`)
				}
				if field.GetNumber() > maxFieldNumber {
					maxFieldNumber = field.GetNumber()
				}
			}
			if message.DescriptorProto.HasExtension() {
				p.P(`if !easy && r.Intn(10) != 0 {`)
				p.In()
				p.P(`l := r.Intn(5)`)
				p.P(`for i := 0; i < l; i++ {`)
				p.In()
				if len(message.DescriptorProto.GetExtensionRange()) > 1 {
					p.P(`eIndex := r.Intn(`, strconv.Itoa(len(message.DescriptorProto.GetExtensionRange())), `)`)
					p.P(`fieldNumber := 0`)
					p.P(`switch eIndex {`)
					for i, e := range message.DescriptorProto.GetExtensionRange() {
						p.P(`case `, strconv.Itoa(i), `:`)
						p.In()
						p.P(`fieldNumber = r.Intn(`, strconv.Itoa(int(e.GetEnd()-e.GetStart())), `) + `, strconv.Itoa(int(e.GetStart())))
						p.Out()
						if e.GetEnd() > maxFieldNumber {
							maxFieldNumber = e.GetEnd()
						}
					}
					p.P(`}`)
				} else {
					e := message.DescriptorProto.GetExtensionRange()[0]
					p.P(`fieldNumber := r.Intn(`, strconv.Itoa(int(e.GetEnd()-e.GetStart())), `) + `, strconv.Itoa(int(e.GetStart())))
					if e.GetEnd() > maxFieldNumber {
						maxFieldNumber = e.GetEnd()
					}
				}
				p.P(`wire := r.Intn(4)`)
				p.P(`if wire == 3 { wire = 5 }`)
				p.P(`data := randField`, p.localName, `(nil, r, fieldNumber, wire)`)
				p.P(protoPkg.Use(), `.SetRawExtension(this, int32(fieldNumber), data)`)
//.........这里部分代码省略.........

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/pixty/gogoprotobuf/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(`var wire uint64`)
		p.decodeVarint("wire", "uint64")
		p.P(`fieldNum := int32(wire >> 3)`)
		if len(message.Field) > 0 {
			p.P(`wireType := int(wire & 0x7)`)
		}
		p.P(`switch fieldNum {`)
		p.In()
		for _, field := range message.Field {
			fieldname := p.GetFieldName(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(`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 ` + fieldname + `", wireType)`)
//.........这里部分代码省略.........

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/pixty/gogoprotobuf/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, "{`,")
		for _, field := range message.Field {
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			fieldname := p.GetFieldName(message, field)
			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()
//.........这里部分代码省略.........

func (p *plugin) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	protoPkg := p.NewImport("github.com/pixty/gogoprotobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}
	for _, message := range file.Messages() {
		if !gogoproto.IsFace(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		if message.DescriptorProto.HasExtension() {
			panic("face does not support message with extensions")
		}
		if gogoproto.HasGoGetters(file.FileDescriptorProto, message.DescriptorProto) {
			panic("face requires getters to be disabled please use gogoproto.getters or gogoproto.getters_all and set it to false")
		}
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`type `, ccTypeName, `Face interface{`)
		p.In()
		p.P(`Proto() `, protoPkg.Use(), `.Message`)
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			goTyp, _ := p.GoType(message, field)
			if generator.IsMap(file.FileDescriptorProto, field) {
				goTyp = p.GetMapGoType(file.FileDescriptorProto, field)
			}
			p.P(`Get`, fieldname, `() `, goTyp)
		}
		p.Out()
		p.P(`}`)
		p.P(``)
		p.P(`func (this *`, ccTypeName, `) Proto() `, protoPkg.Use(), `.Message {`)
		p.In()
		p.P(`return this`)
		p.Out()
		p.P(`}`)
		p.P(``)
		p.P(`func (this *`, ccTypeName, `) TestProto() `, protoPkg.Use(), `.Message {`)
		p.In()
		p.P(`return New`, ccTypeName, `FromFace(this)`)
		p.Out()
		p.P(`}`)
		p.P(``)
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			goTyp, _ := p.GoType(message, field)
			if generator.IsMap(file.FileDescriptorProto, field) {
				goTyp = p.GetMapGoType(file.FileDescriptorProto, field)
			}
			p.P(`func (this *`, ccTypeName, `) Get`, fieldname, `() `, goTyp, `{`)
			p.In()
			p.P(` return this.`, fieldname)
			p.Out()
			p.P(`}`)
			p.P(``)
		}
		p.P(``)
		p.P(`func New`, ccTypeName, `FromFace(that `, ccTypeName, `Face) *`, ccTypeName, ` {`)
		p.In()
		p.P(`this := &`, ccTypeName, `{}`)
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			p.P(`this.`, fieldname, ` = that.Get`, fieldname, `()`)
		}
		p.P(`return this`)
		p.Out()
		p.P(`}`)
		p.P(``)
	}
}

func (p *marshalto) Generate(file *generator.FileDescriptor) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	numGen := NewNumGen()
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false
	p.localName = generator.FileName(file)

	mathPkg := p.NewImport("math")
	protoPkg := p.NewImport("github.com/pixty/gogoprotobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}
	sortKeysPkg := p.NewImport("github.com/pixty/gogoprotobuf/sortkeys")
	p.unsafePkg = p.NewImport("unsafe")

	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) (n int, err 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)
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			required := field.IsRequired()
			if required && nullable {
				p.P(`if m.`, fieldname, `== nil {`)
				p.In()
				p.P(`return 0, `, protoPkg.Use(), `.NewRequiredNotSetError("`, field.GetName(), `")`)
				p.Out()
				p.P(`} else {`)
			} else if repeated {
				p.P(`if len(m.`, fieldname, `) > 0 {`)
				p.In()
			} else if ((!proto3 || field.IsMessage()) && nullable) || (*field.Type == descriptor.FieldDescriptorProto_TYPE_BYTES && !gogoproto.IsCustomType(field)) {
				p.P(`if m.`, fieldname, ` != nil {`)
				p.In()
			}
			packed := field.IsPacked()
			wireType := field.WireType()
			fieldNumber := field.GetNumber()
			if packed {
				wireType = proto.WireBytes
			}
			switch *field.Type {
			case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
				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.P(`f`, numGen.Next(), ` := `, mathPkg.Use(), `.Float64bits(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)
//.........这里部分代码省略.........

func (p *union) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)

	for _, message := range file.Messages() {
		if !gogoproto.IsUnion(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.HasExtension() {
			panic("onlyone does not currently support extensions")
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func (this *`, ccTypeName, `) GetValue() interface{} {`)
		p.In()
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			if fieldname == "Value" {
				panic("cannot have a onlyone message " + ccTypeName + " with a field named Value")
			}
			p.P(`if this.`, fieldname, ` != nil {`)
			p.In()
			p.P(`return this.`, fieldname)
			p.Out()
			p.P(`}`)
		}
		p.P(`return nil`)
		p.Out()
		p.P(`}`)
		p.P(``)
		p.P(`func (this *`, ccTypeName, `) SetValue(value interface{}) bool {`)
		p.In()
		p.P(`switch vt := value.(type) {`)
		p.In()
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			goTyp, _ := p.GoType(message, field)
			p.P(`case `, goTyp, `:`)
			p.In()
			p.P(`this.`, fieldname, ` = vt`)
			p.Out()
		}
		p.P(`default:`)
		p.In()
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			if field.IsMessage() {
				goTyp, _ := p.GoType(message, field)
				obj := p.ObjectNamed(field.GetTypeName()).(*generator.Descriptor)

				if gogoproto.IsUnion(obj.File(), obj.DescriptorProto) {
					p.P(`this.`, fieldname, ` = new(`, generator.GoTypeToName(goTyp), `)`)
					p.P(`if set := this.`, fieldname, `.SetValue(value); set {`)
					p.In()
					p.P(`return true`)
					p.Out()
					p.P(`}`)
					p.P(`this.`, fieldname, ` = nil`)
				}
			}
		}
		p.P(`return false`)
		p.Out()
		p.P(`}`)
		p.P(`return true`)
		p.Out()
		p.P(`}`)
	}
}