func getJSONName(field *pb.FieldDescriptorProto) string {
name := field.GetJsonName()
if name == "" {
name = field.GetName()
}
return name
}
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()
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`
sum = append(sum, strconv.Itoa(valueKeySize))
switch m.ValueField.GetType() {
case descriptor.FieldDescriptorProto_TYPE_DOUBLE,
descriptor.FieldDescriptorProto_TYPE_FIXED64,
descriptor.FieldDescriptorProto_TYPE_SFIXED64:
sum = append(sum, strconv.Itoa(8))
case descriptor.FieldDescriptorProto_TYPE_FLOAT,
descriptor.FieldDescriptorProto_TYPE_FIXED32,
descriptor.FieldDescriptorProto_TYPE_SFIXED32:
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, `sov`+p.localName+`(uint64(v))`)
case descriptor.FieldDescriptorProto_TYPE_BOOL:
sum = append(sum, `1`)
case descriptor.FieldDescriptorProto_TYPE_STRING,
descriptor.FieldDescriptorProto_TYPE_BYTES:
sum = append(sum, `len(v)+sov`+p.localName+`(uint64(len(v)))`)
case descriptor.FieldDescriptorProto_TYPE_SINT32,
descriptor.FieldDescriptorProto_TYPE_SINT64:
sum = append(sum, `soz`+p.localName+`(uint64(v))`)
case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
if nullable {
p.P(`if v == nil {`)
p.In()
p.P(`return 0, `, p.errorsPkg.Use(), `.New("proto: map has nil element")`)
p.Out()
p.P(`}`)
}
if valuegoTyp != valuegoAliasTyp {
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)`
}
if protoSizer {
p.P(`msgSize := `, accessor, `.ProtoSize()`)
} else {
p.P(`msgSize := `, accessor, `.Size()`)
}
sum = append(sum, `msgSize + sov`+p.localName+`(uint64(msgSize))`)
}
p.P(`mapSize := `, strings.Join(sum, " + "))
p.callVarint("mapSize")
p.encodeKey(1, wireToType(keywire))
p.mapField(numGen, m.KeyField.GetType(), "k", protoSizer)
p.encodeKey(2, wireToType(valuewire))
p.mapField(numGen, m.ValueField.GetType(), accessor, protoSizer)
p.Out()
p.P(`}`)
} else if repeated {
casttyp := "msg"
if gogoproto.IsCastType(field) {
prototyp := p.TypeName(p.ObjectNamed(field.GetTypeName()))
if nullable {
casttyp = "((*" + prototyp + ")(" + casttyp + "))"
} else {
casttyp = "((*" + prototyp + ")(&" + casttyp + "))"
}
}
p.P(`for _, msg := range m.`, fieldname, ` {`)
p.In()
p.encodeKey(fieldNumber, wireType)
if protoSizer {
p.callVarint(casttyp + ".ProtoSize()")
} else {
p.callVarint(casttyp + ".Size()")
}
p.P(`n, err := `, casttyp, `.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 {
casttyp := `m.` + fieldname
if gogoproto.IsCastType(field) {
prototyp := p.TypeName(p.ObjectNamed(field.GetTypeName()))
if nullable {
casttyp = "((*" + prototyp + ")(" + casttyp + "))"
} else {
casttyp = "((*" + prototyp + ")(&" + casttyp + "))"
}
}
p.encodeKey(fieldNumber, wireType)
if protoSizer {
p.callVarint(casttyp + ".ProtoSize()")
} else {
p.callVarint(casttyp + ".Size()")
}
p.P(`n`, numGen.Next(), `, err := `, casttyp, `.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(`}`)
}
}