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)
		}
	}
}

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 *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 *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)
			}
		}
	}
}

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
	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 *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/gogo/protobuf/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.HasCompare(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, `Compare(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 c := p.Compare(msg); c != 0 {`)
			p.In()
			p.P(`t.Fatalf("%#v !Compare %#v, since %d", msg, p, c)`)
			p.Out()
			p.P(`}`)
			p.P(`p2 := NewPopulated`, ccTypeName, `(popr, false)`)
			p.P(`c := p.Compare(p2)`)
			p.P(`c2 := p2.Compare(p)`)
			p.P(`if c != (-1 * c2) {`)
			p.In()
			p.P(`t.Errorf("p.Compare(p2) = %d", c)`)
			p.P(`t.Errorf("p2.Compare(p) = %d", c2)`)
			p.P(`t.Errorf("p = %#v", p)`)
			p.P(`t.Errorf("p2 = %#v", p2)`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		}

	}
	return used
}

func (d *deepCopyGen) Generate(file *generator.FileDescriptor) {
	d.gen.P()
	for _, m := range file.Messages() {
		if m.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		d.genMsgDeepCopy(m)
	}
	d.gen.P()
}

func (p *testJson) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
	used := false
	testingPkg := imports.NewImport("testing")
	randPkg := imports.NewImport("math/rand")
	timePkg := imports.NewImport("time")
	jsonPkg := imports.NewImport("encoding/json")
	for _, message := range file.Messages() {
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			used = true
			p.P(`func Test`, ccTypeName, `JSON(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(`jsondata, err := `, jsonPkg.Use(), `.Marshal(p)`)
			p.P(`if err != nil {`)
			p.In()
			p.P(`if _, ok := err.(*`, jsonPkg.Use(), `.UnsupportedTypeError); ok {`)
			p.In()
			p.P(`t.Skip(err)`)
			p.Out()
			p.P(`}`)
			p.P(`t.Fatal(err)`)
			p.Out()
			p.P(`}`)
			p.P(`msg := &`, ccTypeName, `{}`)
			p.P(`err = `, jsonPkg.Use(), `.Unmarshal(jsondata, msg)`)
			p.P(`if err != nil {`)
			p.In()
			p.P(`t.Fatal(err)`)
			p.Out()
			p.P(`}`)
			if gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
				p.P(`if err := p.VerboseEqual(msg); err != nil {`)
				p.In()
				p.P(`t.Fatalf("%#v !VerboseProto %#v, since %v", msg, p, err)`)
				p.Out()
				p.P(`}`)
			}
			p.P(`if !p.Equal(msg) {`)
			p.In()
			p.P(`t.Fatalf("%#v !Json Equal %#v", msg, p)`)
			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")
	randPkg := imports.NewImport("math/rand")
	timePkg := imports.NewImport("time")

	for _, message := range file.Messages() {
		if !gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}

		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		used = true
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func Test`, ccTypeName, `Copy(t *`, testingPkg.Use(), `.T) {`)
		p.In()
		p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
		p.P(`in := NewPopulated`, ccTypeName, `(popr, true)`)
		p.P(`out := in.Copy()`)
		p.P(`if !in.Equal(out) {`)
		p.In()
		p.P(`t.Fatalf("%#v != %#v", in, out)`)
		p.Out()
		p.P(`}`)

		for _, f := range message.Field {
			fName := generator.CamelCase(*f.Name)
			if gogoproto.IsCustomName(f) {
				fName = gogoproto.GetCustomName(f)
			}

			if f.OneofIndex != nil {
				odp := message.OneofDecl[int(*f.OneofIndex)]
				fName = generator.CamelCase(odp.GetName())
			}

			p.P(`if &in.`, fName, ` == &out.`, fName, ` {`)
			p.In()
			p.P(`t.Fatalf("`, fName, `: %#v == %#v", &in.`, fName, `, &out.`, fName, `)`)
			p.Out()
			p.P(`}`)
		}

		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 *plugin) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.fmtPkg = p.NewImport("fmt")
	p.bytesPkg = p.NewImport("bytes")
	p.sortkeysPkg = p.NewImport("github.com/gogo/protobuf/sortkeys")

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

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 (d *deepCopyGen) Generate(file *generator.FileDescriptor) {
	d.PluginImports = generator.NewPluginImports(d.Generator)

	// TODO(stevvooe): Ideally, this could be taken as a parameter to the
	// deepcopy plugin to control the package import, but this is good enough,
	// for now.
	d.copyPkg = d.NewImport("github.com/docker/swarmkit/api/deepcopy")

	d.P()
	for _, m := range file.Messages() {
		if m.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}

		if !plugin.DeepcopyEnabled(m.Options) {
			continue
		}

		d.genMsgDeepCopy(m)
	}
	d.P()
}

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 *descriptor.FileDescriptorSet) {`)
		p.In()
		p.P(`return `, localName, `Description()`)
		p.Out()
		p.P(`}`)
	}

	if p.used {

		p.P(`func `, localName, `Description() (desc *descriptor.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 *plugin) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	protoPkg := p.NewImport("github.com/gogo/protobuf/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 p.IsMap(field) {
				m := p.GoMapType(nil, field)
				goTyp = m.GoType
			}
			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 p.IsMap(field) {
				m := p.GoMapType(nil, field)
				goTyp = m.GoType
			}
			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 *html) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	httpPkg := p.NewImport("net/http")
	p.jsonPkg = p.NewImport("encoding/json")
	p.ioPkg = p.NewImport("io")
	contextPkg := p.NewImport("golang.org/x/net/context")
	p.reflectPkg = p.NewImport("reflect")
	p.stringsPkg = p.NewImport("strings")
	p.strconvPkg = p.NewImport("strconv")
	logPkg := p.NewImport("log")
	grpcPkg := p.NewImport("google.golang.org/grpc")

	p.P(`var DefaultHtmlStringer = func(req, resp interface{}) ([]byte, error) {`)
	p.In()
	p.P(`header := []byte("<p><div class=\"container\"><pre>")`)
	p.P(`data, err := `, p.jsonPkg.Use(), `.MarshalIndent(resp, "", "\t")`)
	p.P(`if err != nil {`)
	p.In()
	p.P(`return nil, err`)
	p.Out()
	p.P(`}`)
	p.P(`footer := []byte("</pre></div></p>")`)
	p.P(`return append(append(header, data...), footer...), nil`)
	p.Out()
	p.P(`}`)

	p.P(`func Serve(httpAddr, grpcAddr string, stringer func(req, resp interface{}) ([]byte, error), opts ...`, grpcPkg.Use(), `.DialOption) {`)
	p.In()
	p.P(`conn, err := `, grpcPkg.Use(), `.Dial(grpcAddr, opts...)`)
	p.P(`if err != nil {`)
	p.In()
	p.P(logPkg.Use(), `.Fatalf("Dial(%q) = %v", grpcAddr, err)`)
	p.Out()
	p.P(`}`)
	for _, s := range file.GetService() {
		origServName := s.GetName()
		servName := generator.CamelCase(origServName)
		p.P(origServName, `Client := New`, servName, `Client(conn)`)
		p.P(origServName, `Server := NewHTML`, servName, `Server(`, origServName, `Client, stringer)`)
		for _, m := range s.GetMethod() {
			p.P(httpPkg.Use(), `.HandleFunc("/`, servName, `/`, m.GetName(), `", `, origServName, `Server.`, m.GetName(), `)`)
		}
	}
	p.P(`if err := `, httpPkg.Use(), `.ListenAndServe(httpAddr, nil); err != nil {`)
	p.In()
	p.P(logPkg.Use(), `.Fatal(err)`)
	p.Out()
	p.P(`}`)
	p.Out()
	p.P(`}`)

	for _, s := range file.GetService() {
		origServName := s.GetName()
		servName := generator.CamelCase(origServName)
		p.P(`type html`, servName, ` struct {`)
		p.In()
		p.P(`client `, servName, `Client`)
		p.P(`stringer func(req, resp interface{}) ([]byte, error)`)
		p.Out()
		p.P(`}`)

		p.P(`func NewHTML`, servName, `Server(client `, servName, `Client, stringer func(req, resp interface{}) ([]byte, error)) *html`, servName, ` {`)
		p.In()
		p.P(`return &html`, servName, `{client, stringer}`)
		p.Out()
		p.P(`}`)

		for _, m := range s.GetMethod() {
			p.generateFormFunc(servName, m)
			p.P(``)
			p.P(`func (this *html`, servName, `) `, m.GetName(), `(w `, httpPkg.Use(), `.ResponseWriter, req *`, httpPkg.Use(), `.Request) {`)
			p.In()
			p.P("w.Write([]byte(Header(`", servName, "`,`", m.GetName(), "`)))")
			p.P(`jsonString := req.FormValue("json")`)
			p.P(`someValue := false`)
			p.RecordTypeUse(m.GetInputType())
			p.P(`msg := &`, p.typeName(m.GetInputType()), `{}`)
			p.P(`if len(jsonString) > 0 {`)
			p.In()
			p.P(`err := `, p.jsonPkg.Use(), `.Unmarshal([]byte(jsonString), msg)`)
			p.writeError(errString)
			p.P(`someValue = true`)
			p.Out()
			p.P(`}`)
			p.P(`w.Write([]byte(Form`, servName, `_`, m.GetName(), `))`)
			p.P(`if someValue {`)
			p.In()
			if !m.GetClientStreaming() {
				if !m.GetServerStreaming() {
					p.P(`reply, err := this.client.`, m.GetName(), `(`, contextPkg.Use(), `.Background(), msg)`)
					p.writeError(errString)
					p.P(`out, err := this.stringer(msg, reply)`)
					p.writeError(errString)
					p.P(`w.Write(out)`)
				} else {
					p.P(`down, err := this.client.`, m.GetName(), `(`, contextPkg.Use(), `.Background(), msg)`)
					p.writeError(errString)
					p.P(`for {`)
					p.In()
					p.P(`reply, err := down.Recv()`)
//.........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(`}`)
	}
}

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/gogo/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(`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, field, fieldname, false)
				p.Out()
				p.P(`}`)
				p.Out()
				p.P(`} else if wireType == `, strconv.Itoa(wireType), `{`)
				p.In()
				p.field(file.FileDescriptorProto, 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 *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/gogo/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/gogo/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 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 {
//.........这里部分代码省略.........