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/andres-erbsen/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.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 *size) Generate(file *generator.FileDescriptor) {
p.PluginImports = generator.NewPluginImports(p.Generator)
p.atleastOne = false
p.localName = generator.FileName(file)
protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto")
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
protoPkg = p.NewImport("github.com/golang/protobuf/proto")
}
for _, message := range file.Messages() {
if !gogoproto.IsSizer(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
p.atleastOne = true
ccTypeName := generator.CamelCaseSlice(message.TypeName())
p.P(`func (m *`, ccTypeName, `) Size() (n int) {`)
p.In()
p.P(`var l int`)
p.P(`_ = l`)
oneofs := make(map[string]struct{})
for _, field := range message.Field {
oneof := field.OneofIndex != nil
if !oneof {
proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
p.generateField(proto3, file, message, field)
} else {
fieldname := p.GetFieldName(message, field)
if _, ok := oneofs[fieldname]; ok {
continue
} else {
oneofs[fieldname] = struct{}{}
}
p.P(`if m.`, fieldname, ` != nil {`)
p.In()
p.P(`n+=m.`, fieldname, `.Size()`)
p.Out()
p.P(`}`)
}
}
if message.DescriptorProto.HasExtension() {
p.P(`if m.XXX_extensions != nil {`)
p.In()
if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`n += `, protoPkg.Use(), `.SizeOfExtensionMap(m.XXX_extensions)`)
} else {
p.P(`n+=len(m.XXX_extensions)`)
}
p.Out()
p.P(`}`)
}
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`if m.XXX_unrecognized != nil {`)
p.In()
p.P(`n+=len(m.XXX_unrecognized)`)
p.Out()
p.P(`}`)
}
p.P(`return n`)
p.Out()
p.P(`}`)
p.P()
//Generate Size methods for oneof fields
m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
for _, f := range m.Field {
oneof := f.OneofIndex != nil
if !oneof {
continue
}
ccTypeName := p.OneOfTypeName(message, f)
p.P(`func (m *`, ccTypeName, `) Size() (n int) {`)
p.In()
p.P(`var l int`)
p.P(`_ = l`)
vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(f)
p.generateField(false, file, message, f)
p.P(`return n`)
p.Out()
p.P(`}`)
}
}
if !p.atleastOne {
return
}
p.sizeVarint()
p.sizeZigZag()
}
func (p *gostring) Generate(file *generator.FileDescriptor) {
proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
p.PluginImports = generator.NewPluginImports(p.Generator)
p.atleastOne = false
p.localName = generator.FileName(file)
fmtPkg := p.NewImport("fmt")
stringsPkg := p.NewImport("strings")
protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto")
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
protoPkg = p.NewImport("github.com/golang/protobuf/proto")
}
sortPkg := p.NewImport("sort")
strconvPkg := p.NewImport("strconv")
reflectPkg := p.NewImport("reflect")
sortKeysPkg := p.NewImport("github.com/andres-erbsen/protobuf/sortkeys")
for _, message := range file.Messages() {
if !gogoproto.HasGoString(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
p.atleastOne = true
packageName := file.PackageName()
ccTypeName := generator.CamelCaseSlice(message.TypeName())
p.P(`func (this *`, ccTypeName, `) GoString() string {`)
p.In()
p.P(`if this == nil {`)
p.In()
p.P(`return "nil"`)
p.Out()
p.P(`}`)
p.P(`s := make([]string, 0, `, strconv.Itoa(len(message.Field)+4), `)`)
p.P(`s = append(s, "&`, packageName, ".", ccTypeName, `{")`)
oneofs := make(map[string]struct{})
for _, field := range message.Field {
nullable := gogoproto.IsNullable(field)
repeated := field.IsRepeated()
fieldname := p.GetFieldName(message, field)
oneof := field.OneofIndex != nil
if oneof {
if _, ok := oneofs[fieldname]; ok {
continue
} else {
oneofs[fieldname] = struct{}{}
}
p.P(`if this.`, fieldname, ` != nil {`)
p.In()
p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
p.Out()
p.P(`}`)
} else if generator.IsMap(file.FileDescriptorProto, field) {
mapMsg := generator.GetMap(file.FileDescriptorProto, field)
keyField, valueField := mapMsg.GetMapFields()
keysName := `keysFor` + fieldname
keygoTyp, _ := p.GoType(nil, keyField)
keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
keyCapTyp := generator.CamelCase(keygoTyp)
valuegoTyp, _ := p.GoType(nil, valueField)
if !valueField.IsMessage() {
valuegoTyp = strings.Replace(valuegoTyp, "*", "", 1)
}
p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`)
p.P(`for k, _ := range this.`, fieldname, ` {`)
p.In()
p.P(keysName, ` = append(`, keysName, `, k)`)
p.Out()
p.P(`}`)
p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
mapName := `mapStringFor` + fieldname
p.P(mapName, ` := "map[`, keygoTyp, `]`, valuegoTyp, `{"`)
p.P(`for _, k := range `, keysName, ` {`)
p.In()
p.P(mapName, ` += fmt.Sprintf("%#v: %#v,", k, this.`, fieldname, `[k])`)
p.Out()
p.P(`}`)
p.P(mapName, ` += "}"`)
p.P(`if this.`, fieldname, ` != nil {`)
p.In()
p.P(`s = append(s, "`, fieldname, `: " + `, mapName, `+ ",\n")`)
p.Out()
p.P(`}`)
} else if field.IsMessage() || p.IsGroup(field) {
if nullable || repeated {
p.P(`if this.`, fieldname, ` != nil {`)
p.In()
}
if nullable {
p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
} else if repeated {
p.P(`s = append(s, "`, fieldname, `: " + `, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`, ",`&`,``,1)", ` + ",\n")`)
} else {
p.P(`s = append(s, "`, fieldname, `: " + `, stringsPkg.Use(), `.Replace(this.`, fieldname, `.GoString()`, ",`&`,``,1)", ` + ",\n")`)
}
if nullable || repeated {
p.Out()
p.P(`}`)
}
} else {
if !proto3 && (nullable || repeated) {
p.P(`if this.`, fieldname, ` != nil {`)
p.In()
}
if field.IsEnum() {
if nullable && !repeated && !proto3 {
goTyp, _ := p.GoType(message, field)
p.P(`s = append(s, "`, fieldname, `: " + valueToGoString`, p.localName, `(this.`, fieldname, `,"`, packageName, ".", generator.GoTypeToName(goTyp), `"`, `) + ",\n")`)
} else {
p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
}
} else {
if nullable && !repeated && !proto3 {
goTyp, _ := p.GoType(message, field)
p.P(`s = append(s, "`, fieldname, `: " + valueToGoString`, p.localName, `(this.`, fieldname, `,"`, generator.GoTypeToName(goTyp), `"`, `) + ",\n")`)
} else {
p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
}
}
if !proto3 && (nullable || repeated) {
p.Out()
p.P(`}`)
}
}
}
if message.DescriptorProto.HasExtension() {
p.P(`if this.XXX_extensions != nil {`)
p.In()
if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`s = append(s, "XXX_extensions: " + extensionToGoString`, p.localName, `(this.XXX_extensions) + ",\n")`)
} else {
p.P(`s = append(s, "XXX_extensions: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.XXX_extensions) + ",\n")`)
}
p.Out()
p.P(`}`)
}
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`if this.XXX_unrecognized != nil {`)
p.In()
p.P(`s = append(s, "XXX_unrecognized:" + `, fmtPkg.Use(), `.Sprintf("%#v", this.XXX_unrecognized) + ",\n")`)
p.Out()
p.P(`}`)
}
p.P(`s = append(s, "}")`)
//outStr += strings.Join([]string{" + `}`", `}`, `,", "`, ")"}, "")
p.P(`return `, stringsPkg.Use(), `.Join(s, "")`)
p.Out()
p.P(`}`)
//Generate GoString methods for oneof fields
for _, field := range message.Field {
oneof := field.OneofIndex != nil
if !oneof {
continue
}
ccTypeName := p.OneOfTypeName(message, field)
p.P(`func (this *`, ccTypeName, `) GoString() string {`)
p.In()
p.P(`if this == nil {`)
p.In()
p.P(`return "nil"`)
p.Out()
p.P(`}`)
outFlds := []string{}
fieldname := p.GetOneOfFieldName(message, field)
if field.IsMessage() || p.IsGroup(field) {
tmp := strings.Join([]string{"`", fieldname, ":` + "}, "")
tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`}, "")
outFlds = append(outFlds, tmp)
} else {
tmp := strings.Join([]string{"`", fieldname, ":` + "}, "")
tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "")
outFlds = append(outFlds, tmp)
}
outStr := strings.Join([]string{"s := ", stringsPkg.Use(), ".Join([]string{`&", packageName, ".", ccTypeName, "{` + \n"}, "")
outStr += strings.Join(outFlds, ",\n")
outStr += strings.Join([]string{" + `}`", `}`, `,", "`, ")"}, "")
p.P(outStr)
p.P(`return s`)
p.Out()
p.P(`}`)
}
}
if !p.atleastOne {
return
}
p.P(`func valueToGoString`, p.localName, `(v interface{}, typ string) string {`)
p.In()
p.P(`rv := `, reflectPkg.Use(), `.ValueOf(v)`)
p.P(`if rv.IsNil() {`)
p.In()
p.P(`return "nil"`)
p.Out()
p.P(`}`)
p.P(`pv := `, reflectPkg.Use(), `.Indirect(rv).Interface()`)
p.P(`return `, fmtPkg.Use(), `.Sprintf("func(v %v) *%v { return &v } ( %#v )", typ, typ, pv)`)
p.Out()
p.P(`}`)
p.P(`func extensionToGoString`, p.localName, `(e map[int32]`, protoPkg.Use(), `.Extension) string {`)
p.In()
p.P(`if e == nil { return "nil" }`)
p.P(`s := "map[int32]proto.Extension{"`)
p.P(`keys := make([]int, 0, len(e))`)
p.P(`for k := range e {`)
p.In()
p.P(`keys = append(keys, int(k))`)
p.Out()
p.P(`}`)
p.P(sortPkg.Use(), `.Ints(keys)`)
p.P(`ss := []string{}`)
p.P(`for _, k := range keys {`)
p.In()
p.P(`ss = append(ss, `, strconvPkg.Use(), `.Itoa(k) + ": " + e[int32(k)].GoString())`)
p.Out()
p.P(`}`)
p.P(`s+=`, stringsPkg.Use(), `.Join(ss, ",") + "}"`)
p.P(`return s`)
p.Out()
p.P(`}`)
}
func (p *plugin) Generate(file *generator.FileDescriptor) {
p.PluginImports = generator.NewPluginImports(p.Generator)
protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto")
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
protoPkg = p.NewImport("github.com/golang/protobuf/proto")
}
for _, message := range file.Messages() {
if !gogoproto.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 *unmarshal) Generate(file *generator.FileDescriptor) {
proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
p.PluginImports = generator.NewPluginImports(p.Generator)
p.atleastOne = false
p.localName = generator.FileName(file)
if p.unsafe {
p.localName += "Unsafe"
}
p.ioPkg = p.NewImport("io")
p.mathPkg = p.NewImport("math")
p.unsafePkg = p.NewImport("unsafe")
fmtPkg := p.NewImport("fmt")
protoPkg := p.NewImport("github.com/andres-erbsen/protobuf/proto")
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
protoPkg = p.NewImport("github.com/golang/protobuf/proto")
}
for _, message := range file.Messages() {
ccTypeName := generator.CamelCaseSlice(message.TypeName())
if p.unsafe {
if !gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if gogoproto.IsUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
panic(fmt.Sprintf("unsafe_unmarshaler and unmarshaler enabled for %v", ccTypeName))
}
}
if !p.unsafe {
if !gogoproto.IsUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
panic(fmt.Sprintf("unsafe_unmarshaler and unmarshaler enabled for %v", ccTypeName))
}
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
p.atleastOne = true
// build a map required field_id -> bitmask offset
rfMap := make(map[int32]uint)
rfNextId := uint(0)
for _, field := range message.Field {
if field.IsRequired() {
rfMap[field.GetNumber()] = rfNextId
rfNextId++
}
}
rfCount := len(rfMap)
p.P(`func (m *`, ccTypeName, `) Unmarshal(data []byte) error {`)
p.In()
if rfCount > 0 {
p.P(`var hasFields [`, strconv.Itoa(1+(rfCount-1)/64), `]uint64`)
}
p.P(`l := len(data)`)
p.P(`iNdEx := 0`)
p.P(`for iNdEx < l {`)
p.In()
p.P(`preIndex := iNdEx`)
p.P(`var wire uint64`)
p.decodeVarint("wire", "uint64")
p.P(`fieldNum := int32(wire >> 3)`)
if len(message.Field) > 0 || !message.IsGroup() {
p.P(`wireType := int(wire & 0x7)`)
}
if !message.IsGroup() {
p.P(`if wireType == `, strconv.Itoa(proto.WireEndGroup), ` {`)
p.In()
p.P(`return `, fmtPkg.Use(), `.Errorf("proto: `+message.GetName()+`: wiretype end group for non-group")`)
p.Out()
p.P(`}`)
}
p.P(`if fieldNum <= 0 {`)
p.In()
p.P(`return `, fmtPkg.Use(), `.Errorf("proto: `+message.GetName()+`: illegal tag %d (wire type %d)", fieldNum, wire)`)
p.Out()
p.P(`}`)
p.P(`switch fieldNum {`)
p.In()
for _, field := range message.Field {
fieldname := p.GetFieldName(message, field)
errFieldname := fieldname
if field.OneofIndex != nil {
errFieldname = p.GetOneOfFieldName(message, field)
}
packed := field.IsPacked()
p.P(`case `, strconv.Itoa(int(field.GetNumber())), `:`)
p.In()
wireType := field.WireType()
if packed {
p.P(`if wireType == `, strconv.Itoa(proto.WireBytes), `{`)
p.In()
p.P(`var packedLen int`)
p.decodeVarint("packedLen", "int")
p.P(`if packedLen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postIndex := iNdEx + packedLen`)
p.P(`if postIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
p.P(`for iNdEx < postIndex {`)
p.In()
p.field(file.FileDescriptorProto, message, field, fieldname, false)
p.Out()
p.P(`}`)
p.Out()
p.P(`} else if wireType == `, strconv.Itoa(wireType), `{`)
p.In()
p.field(file.FileDescriptorProto, message, field, fieldname, false)
p.Out()
p.P(`} else {`)
p.In()
p.P(`return ` + fmtPkg.Use() + `.Errorf("proto: wrong wireType = %d for field ` + errFieldname + `", wireType)`)
p.Out()
p.P(`}`)
} else {
p.P(`if wireType != `, strconv.Itoa(wireType), `{`)
p.In()
p.P(`return ` + fmtPkg.Use() + `.Errorf("proto: wrong wireType = %d for field ` + errFieldname + `", wireType)`)
p.Out()
p.P(`}`)
p.field(file.FileDescriptorProto, message, field, fieldname, proto3)
}
if field.IsRequired() {
fieldBit, ok := rfMap[field.GetNumber()]
if !ok {
panic("field is required, but no bit registered")
}
p.P(`hasFields[`, strconv.Itoa(int(fieldBit/64)), `] |= uint64(`, fmt.Sprintf("0x%08x", 1<<(fieldBit%64)), `)`)
}
}
p.Out()
p.P(`default:`)
p.In()
if message.DescriptorProto.HasExtension() {
c := []string{}
for _, erange := range message.GetExtensionRange() {
c = append(c, `((fieldNum >= `+strconv.Itoa(int(erange.GetStart()))+") && (fieldNum<"+strconv.Itoa(int(erange.GetEnd()))+`))`)
}
p.P(`if `, strings.Join(c, "||"), `{`)
p.In()
p.P(`var sizeOfWire int`)
p.P(`for {`)
p.In()
p.P(`sizeOfWire++`)
p.P(`wire >>= 7`)
p.P(`if wire == 0 {`)
p.In()
p.P(`break`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
p.P(`iNdEx-=sizeOfWire`)
p.P(`skippy, err := skip`, p.localName+`(data[iNdEx:])`)
p.P(`if err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`if skippy < 0 {`)
p.In()
p.P(`return ErrInvalidLength`, p.localName)
p.Out()
p.P(`}`)
p.P(`if (iNdEx + skippy) > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`if m.XXX_extensions == nil {`)
p.In()
p.P(`m.XXX_extensions = make(map[int32]`, protoPkg.Use(), `.Extension)`)
p.Out()
p.P(`}`)
p.P(`m.XXX_extensions[int32(fieldNum)] = `, protoPkg.Use(), `.NewExtension(data[iNdEx:iNdEx+skippy])`)
} else {
p.P(`m.XXX_extensions = append(m.XXX_extensions, data[iNdEx:iNdEx+skippy]...)`)
}
p.P(`iNdEx += skippy`)
p.Out()
p.P(`} else {`)
p.In()
}
p.P(`iNdEx=preIndex`)
p.P(`skippy, err := skip`, p.localName, `(data[iNdEx:])`)
p.P(`if err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`if skippy < 0 {`)
p.In()
p.P(`return ErrInvalidLength`, p.localName)
p.Out()
p.P(`}`)
p.P(`if (iNdEx + skippy) > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`m.XXX_unrecognized = append(m.XXX_unrecognized, data[iNdEx:iNdEx+skippy]...)`)
}
p.P(`iNdEx += skippy`)
p.Out()
if message.DescriptorProto.HasExtension() {
p.Out()
p.P(`}`)
}
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
for _, field := range message.Field {
if !field.IsRequired() {
continue
}
fieldBit, ok := rfMap[field.GetNumber()]
if !ok {
panic("field is required, but no bit registered")
}
p.P(`if hasFields[`, strconv.Itoa(int(fieldBit/64)), `] & uint64(`, fmt.Sprintf("0x%08x", 1<<(fieldBit%64)), `) == 0 {`)
p.In()
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
p.P(`return new(`, protoPkg.Use(), `.RequiredNotSetError)`)
} else {
p.P(`return `, protoPkg.Use(), `.NewRequiredNotSetError("`, field.GetName(), `")`)
}
p.Out()
p.P(`}`)
}
p.P()
p.P(`if iNdEx > l {`)
p.In()
p.P(`return ` + p.ioPkg.Use() + `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
p.P(`return nil`)
p.Out()
p.P(`}`)
}
if !p.atleastOne {
return
}
p.P(`func skip` + p.localName + `(data []byte) (n int, err error) {
l := len(data)
iNdEx := 0
for iNdEx < l {
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
b := data[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
wireType := int(wire & 0x7)
switch wireType {
case 0:
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
iNdEx++
if data[iNdEx-1] < 0x80 {
break
}
}
return iNdEx, nil
case 1:
iNdEx += 8
return iNdEx, nil
case 2:
var length int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
b := data[iNdEx]
iNdEx++
length |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
iNdEx += length
if length < 0 {
return 0, ErrInvalidLength` + p.localName + `
}
return iNdEx, nil
case 3:
for {
var innerWire uint64
var start int = iNdEx
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
b := data[iNdEx]
iNdEx++
innerWire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
innerWireType := int(innerWire & 0x7)
if innerWireType == 4 {
break
}
next, err := skip` + p.localName + `(data[start:])
if err != nil {
return 0, err
}
iNdEx = start + next
}
return iNdEx, nil
case 4:
return iNdEx, nil
case 5:
iNdEx += 4
return iNdEx, nil
default:
return 0, ` + fmtPkg.Use() + `.Errorf("proto: illegal wireType %d", wireType)
}
}
panic("unreachable")
}
var (
ErrInvalidLength` + p.localName + ` = ` + fmtPkg.Use() + `.Errorf("proto: negative length found during unmarshaling")
ErrIntOverflow` + p.localName + ` = ` + fmtPkg.Use() + `.Errorf("proto: integer overflow")
)
`)
}
func (p *testProto) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
used := false
testingPkg := imports.NewImport("testing")
randPkg := imports.NewImport("math/rand")
timePkg := imports.NewImport("time")
protoPkg := imports.NewImport("github.com/andres-erbsen/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 message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
used = true
p.P(`func Test`, ccTypeName, `Proto(t *`, testingPkg.Use(), `.T) {`)
p.In()
p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
p.P(`data, err := `, protoPkg.Use(), `.Marshal(p)`)
p.P(`if err != nil {`)
p.In()
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
p.Out()
p.P(`}`)
p.P(`msg := &`, ccTypeName, `{}`)
p.P(`if err := `, protoPkg.Use(), `.Unmarshal(data, msg); err != nil {`)
p.In()
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
p.Out()
p.P(`}`)
p.P(`littlefuzz := make([]byte, len(data))`)
p.P(`copy(littlefuzz, data)`)
p.P(`for i := range data {`)
p.In()
p.P(`data[i] = byte(popr.Intn(256))`)
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("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
p.Out()
p.P(`}`)
}
p.P(`if !p.Equal(msg) {`)
p.In()
p.P(`t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)`)
p.Out()
p.P(`}`)
p.P(`if len(littlefuzz) > 0 {`)
p.In()
p.P(`fuzzamount := 100`)
p.P(`for i := 0; i < fuzzamount; i++ {`)
p.In()
p.P(`littlefuzz[popr.Intn(len(littlefuzz))] = byte(popr.Intn(256))`)
p.P(`littlefuzz = append(littlefuzz, byte(popr.Intn(256)))`)
p.Out()
p.P(`}`)
p.P(`// shouldn't panic`)
p.P(`_ = `, protoPkg.Use(), `.Unmarshal(littlefuzz, msg)`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
p.P()
}
if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
if gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) || gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`func Test`, ccTypeName, `MarshalTo(t *`, testingPkg.Use(), `.T) {`)
p.In()
p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
p.P(`size := p.Size()`)
p.P(`data := make([]byte, size)`)
p.P(`for i := range data {`)
p.In()
p.P(`data[i] = byte(popr.Intn(256))`)
p.Out()
p.P(`}`)
p.P(`_, err := p.MarshalTo(data)`)
p.P(`if err != nil {`)
p.In()
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
p.Out()
p.P(`}`)
p.P(`msg := &`, ccTypeName, `{}`)
p.P(`if err := `, protoPkg.Use(), `.Unmarshal(data, msg); err != nil {`)
p.In()
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
p.Out()
p.P(`}`)
p.P(`for i := range data {`)
p.In()
p.P(`data[i] = byte(popr.Intn(256))`)
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("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
p.Out()
p.P(`}`)
}
p.P(`if !p.Equal(msg) {`)
p.In()
p.P(`t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
p.P()
}
}
if gogoproto.HasBenchGen(file.FileDescriptorProto, message.DescriptorProto) {
used = true
p.P(`func Benchmark`, ccTypeName, `ProtoMarshal(b *`, testingPkg.Use(), `.B) {`)
p.In()
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(616))`)
p.P(`total := 0`)
p.P(`pops := make([]*`, ccTypeName, `, 10000)`)
p.P(`for i := 0; i < 10000; i++ {`)
p.In()
p.P(`pops[i] = NewPopulated`, ccTypeName, `(popr, false)`)
p.Out()
p.P(`}`)
p.P(`b.ResetTimer()`)
p.P(`for i := 0; i < b.N; i++ {`)
p.In()
p.P(`data, err := `, protoPkg.Use(), `.Marshal(pops[i%10000])`)
p.P(`if err != nil {`)
p.In()
p.P(`panic(err)`)
p.Out()
p.P(`}`)
p.P(`total += len(data)`)
p.Out()
p.P(`}`)
p.P(`b.SetBytes(int64(total / b.N))`)
p.Out()
p.P(`}`)
p.P()
p.P(`func Benchmark`, ccTypeName, `ProtoUnmarshal(b *`, testingPkg.Use(), `.B) {`)
p.In()
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(616))`)
p.P(`total := 0`)
p.P(`datas := make([][]byte, 10000)`)
p.P(`for i := 0; i < 10000; i++ {`)
p.In()
p.P(`data, err := `, protoPkg.Use(), `.Marshal(NewPopulated`, ccTypeName, `(popr, false))`)
p.P(`if err != nil {`)
p.In()
p.P(`panic(err)`)
p.Out()
p.P(`}`)
p.P(`datas[i] = data`)
p.Out()
p.P(`}`)
p.P(`msg := &`, ccTypeName, `{}`)
p.P(`b.ResetTimer()`)
p.P(`for i := 0; i < b.N; i++ {`)
p.In()
p.P(`total += len(datas[i%10000])`)
p.P(`if err := `, protoPkg.Use(), `.Unmarshal(datas[i%10000], msg); err != nil {`)
p.In()
p.P(`panic(err)`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
p.P(`b.SetBytes(int64(total / b.N))`)
p.Out()
p.P(`}`)
p.P()
}
}
return used
}
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()
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 ((!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(), ` := `, p.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)
p.P(`f`, numGen.Next(), ` := `, p.mathPkg.Use(), `.Float64bits(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(m.`+fieldname, `)`)
p.Out()
p.P(`}`)
} else if !nullable {
p.encodeKey(fieldNumber, wireType)
p.callFixed64(p.mathPkg.Use(), `.Float64bits(m.`+fieldname, `)`)
} else {
p.encodeKey(fieldNumber, wireType)
p.callFixed64(p.mathPkg.Use(), `.Float64bits(*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 {
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(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(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(m.`+fieldname, `)`)
p.Out()
p.P(`}`)
} else if !nullable {
p.encodeKey(fieldNumber, wireType)
p.callFixed32(p.mathPkg.Use(), `.Float32bits(m.`+fieldname, `)`)
} else {
p.encodeKey(fieldNumber, wireType)
p.callFixed32(p.mathPkg.Use(), `.Float32bits(*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 generator.IsMap(file.FileDescriptorProto, field) {
mapMsg := generator.GetMap(file.FileDescriptorProto, field)
keyField, valueField := mapMsg.GetMapFields()
keysName := `keysFor` + fieldname
keygoTyp, keywire := p.GoType(nil, keyField)
keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
_, valuewire := p.GoType(nil, valueField)
keyCapTyp := generator.CamelCase(keygoTyp)
keyKeySize := keySize(1, wireToType(keywire))
valueKeySize := keySize(2, wireToType(valuewire))
p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(m.`, fieldname, `))`)
p.P(`for k, _ := range m.`, fieldname, ` {`)
p.In()
p.P(keysName, ` = append(`, keysName, `, k)`)
p.Out()
p.P(`}`)
p.P(p.sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
p.P(`for _, k := range `, keysName, ` {`)
p.In()
p.encodeKey(fieldNumber, wireType)
sum := []string{strconv.Itoa(keyKeySize)}
switch 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))`)
}
p.P(`v := m.`, fieldname, `[k]`)
sum = append(sum, strconv.Itoa(valueKeySize))
switch 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:
p.P(`if v == nil {`)
p.In()
p.P(`return 0, `, p.errorsPkg.Use(), `.New("proto: map has nil element")`)
p.Out()
p.P(`}`)
p.P(`msgSize := v.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, keyField.GetType(), "k")
p.encodeKey(2, wireToType(valuewire))
p.mapField(numGen, valueField.GetType(), "v")
p.Out()
p.P(`}`)
} else if repeated {
p.P(`for _, msg := range m.`, fieldname, ` {`)
p.In()
p.encodeKey(fieldNumber, wireType)
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)
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_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)
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)
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) ||
((!proto3 || field.IsMessage()) && nullable) ||
repeated ||
(*field.Type == descriptor.FieldDescriptorProto_TYPE_BYTES && !gogoproto.IsCustomType(field)) {
p.Out()
p.P(`}`)
}
}
func (p *marshalto) Generate(file *generator.FileDescriptor) {
numGen := NewNumGen()
p.PluginImports = generator.NewPluginImports(p.Generator)
p.atleastOne = false
p.localName = generator.FileName(file)
p.mathPkg = p.NewImport("math")
p.sortKeysPkg = p.NewImport("github.com/andres-erbsen/protobuf/sortkeys")
p.protoPkg = p.NewImport("github.com/andres-erbsen/protobuf/proto")
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
p.protoPkg = p.NewImport("github.com/golang/protobuf/proto")
}
p.unsafePkg = p.NewImport("unsafe")
p.errorsPkg = p.NewImport("errors")
for _, message := range file.Messages() {
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
ccTypeName := generator.CamelCaseSlice(message.TypeName())
if p.unsafe {
if !gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
panic(fmt.Sprintf("unsafe_marshaler and marshalto enabled for %v", ccTypeName))
}
}
if !p.unsafe {
if !gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
panic(fmt.Sprintf("unsafe_marshaler and marshalto enabled for %v", ccTypeName))
}
}
p.atleastOne = true
p.P(`func (m *`, ccTypeName, `) Marshal() (data []byte, err error) {`)
p.In()
p.P(`size := m.Size()`)
p.P(`data = make([]byte, size)`)
p.P(`n, err := m.MarshalTo(data)`)
p.P(`if err != nil {`)
p.In()
p.P(`return nil, err`)
p.Out()
p.P(`}`)
p.P(`return data[:n], nil`)
p.Out()
p.P(`}`)
p.P(``)
p.P(`func (m *`, ccTypeName, `) MarshalTo(data []byte) (int, error) {`)
p.In()
p.P(`var i int`)
p.P(`_ = i`)
p.P(`var l int`)
p.P(`_ = l`)
fields := orderFields(message.GetField())
sort.Sort(fields)
oneofs := make(map[string]struct{})
for _, field := range message.Field {
oneof := field.OneofIndex != nil
if !oneof {
proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
p.generateField(proto3, numGen, file, message, field)
} else {
fieldname := p.GetFieldName(message, field)
if _, ok := oneofs[fieldname]; !ok {
oneofs[fieldname] = struct{}{}
p.P(`if m.`, fieldname, ` != nil {`)
p.In()
p.P(`nn`, numGen.Next(), `, err := m.`, fieldname, `.MarshalTo(data[i:])`)
p.P(`if err != nil {`)
p.In()
p.P(`return 0, err`)
p.Out()
p.P(`}`)
p.P(`i+=nn`, numGen.Current())
p.Out()
p.P(`}`)
}
}
}
if message.DescriptorProto.HasExtension() {
if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`if len(m.XXX_extensions) > 0 {`)
p.In()
p.P(`n, err := `, p.protoPkg.Use(), `.EncodeExtensionMap(m.XXX_extensions, data[i:])`)
p.P(`if err != nil {`)
p.In()
p.P(`return 0, err`)
p.Out()
p.P(`}`)
p.P(`i+=n`)
p.Out()
p.P(`}`)
} else {
p.P(`if m.XXX_extensions != nil {`)
p.In()
p.P(`i+=copy(data[i:], m.XXX_extensions)`)
p.Out()
p.P(`}`)
}
}
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`if m.XXX_unrecognized != nil {`)
p.In()
p.P(`i+=copy(data[i:], m.XXX_unrecognized)`)
p.Out()
p.P(`}`)
}
p.P(`return i, nil`)
p.Out()
p.P(`}`)
p.P()
//Generate MarshalTo methods for oneof fields
m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
for _, field := range m.Field {
oneof := field.OneofIndex != nil
if !oneof {
continue
}
ccTypeName := p.OneOfTypeName(message, field)
p.P(`func (m *`, ccTypeName, `) MarshalTo(data []byte) (int, error) {`)
p.In()
p.P(`i := 0`)
vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(field)
p.generateField(false, numGen, file, message, field)
p.P(`return i, nil`)
p.Out()
p.P(`}`)
}
}
if p.atleastOne {
p.P(`func encodeFixed64`, p.localName, `(data []byte, offset int, v uint64) int {`)
p.In()
p.P(`data[offset] = uint8(v)`)
p.P(`data[offset+1] = uint8(v >> 8)`)
p.P(`data[offset+2] = uint8(v >> 16)`)
p.P(`data[offset+3] = uint8(v >> 24)`)
p.P(`data[offset+4] = uint8(v >> 32)`)
p.P(`data[offset+5] = uint8(v >> 40)`)
p.P(`data[offset+6] = uint8(v >> 48)`)
p.P(`data[offset+7] = uint8(v >> 56)`)
p.P(`return offset+8`)
p.Out()
p.P(`}`)
p.P(`func encodeFixed32`, p.localName, `(data []byte, offset int, v uint32) int {`)
p.In()
p.P(`data[offset] = uint8(v)`)
p.P(`data[offset+1] = uint8(v >> 8)`)
p.P(`data[offset+2] = uint8(v >> 16)`)
p.P(`data[offset+3] = uint8(v >> 24)`)
p.P(`return offset+4`)
p.Out()
p.P(`}`)
p.P(`func encodeVarint`, p.localName, `(data []byte, offset int, v uint64) int {`)
p.In()
p.P(`for v >= 1<<7 {`)
p.In()
p.P(`data[offset] = uint8(v&0x7f|0x80)`)
p.P(`v >>= 7`)
p.P(`offset++`)
p.Out()
p.P(`}`)
p.P(`data[offset] = uint8(v)`)
p.P(`return offset+1`)
p.Out()
p.P(`}`)
}
}
func (p *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/andres-erbsen/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.IsSizer(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, `Size(t *`, testingPkg.Use(), `.T) {`)
p.In()
p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
p.P(`p := NewPopulated`, ccTypeName, `(popr, true)`)
p.P(`size2 := `, protoPkg.Use(), `.Size(p)`)
p.P(`data, err := `, protoPkg.Use(), `.Marshal(p)`)
p.P(`if err != nil {`)
p.In()
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
p.Out()
p.P(`}`)
p.P(`size := p.Size()`)
p.P(`if len(data) != size {`)
p.In()
p.P(`t.Errorf("seed = %d, size %v != marshalled size %v", seed, size, len(data))`)
p.Out()
p.P(`}`)
p.P(`if size2 != size {`)
p.In()
p.P(`t.Errorf("seed = %d, size %v != before marshal proto.Size %v", seed, size, size2)`)
p.Out()
p.P(`}`)
p.P(`size3 := `, protoPkg.Use(), `.Size(p)`)
p.P(`if size3 != size {`)
p.In()
p.P(`t.Errorf("seed = %d, size %v != after marshal proto.Size %v", seed, size, size3)`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
p.P()
}
if gogoproto.HasBenchGen(file.FileDescriptorProto, message.DescriptorProto) {
used = true
p.P(`func Benchmark`, ccTypeName, `Size(b *`, testingPkg.Use(), `.B) {`)
p.In()
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(616))`)
p.P(`total := 0`)
p.P(`pops := make([]*`, ccTypeName, `, 1000)`)
p.P(`for i := 0; i < 1000; i++ {`)
p.In()
p.P(`pops[i] = NewPopulated`, ccTypeName, `(popr, false)`)
p.Out()
p.P(`}`)
p.P(`b.ResetTimer()`)
p.P(`for i := 0; i < b.N; i++ {`)
p.In()
p.P(`total += pops[i%1000].Size()`)
p.Out()
p.P(`}`)
p.P(`b.SetBytes(int64(total / b.N))`)
p.Out()
p.P(`}`)
p.P()
}
}
return used
}
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/andres-erbsen/protobuf/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
oneofs := make(map[string]struct{})
for _, field := range message.Field {
if field.GetNumber() > maxFieldNumber {
maxFieldNumber = field.GetNumber()
}
oneof := field.OneofIndex != nil
if !oneof {
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(`}`)
}
} else {
fieldname := p.GetFieldName(message, field)
if _, ok := oneofs[fieldname]; ok {
continue
} else {
oneofs[fieldname] = struct{}{}
}
fieldNumbers := []int32{}
for _, f := range message.Field {
fname := p.GetFieldName(message, f)
if fname == fieldname {
fieldNumbers = append(fieldNumbers, f.GetNumber())
}
}
p.P(`oneofNumber_`, fieldname, ` := `, fmt.Sprintf("%#v", fieldNumbers), `[r.Intn(`, strconv.Itoa(len(fieldNumbers)), `)]`)
p.P(`switch oneofNumber_`, fieldname, ` {`)
for _, f := range message.Field {
fname := p.GetFieldName(message, f)
if fname != fieldname {
continue
}
p.P(`case `, strconv.Itoa(int(f.GetNumber())), `:`)
p.In()
ccTypeName := p.OneOfTypeName(message, f)
p.P(`this.`, fname, ` = NewPopulated`, ccTypeName, `(r, easy)`)
p.Out()
}
p.P(`}`)
}
}
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)`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
}
if maxFieldNumber < (1 << 10) {
p.P(`if !easy && r.Intn(10) != 0 {`)
p.In()
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`this.XXX_unrecognized = randUnrecognized`, p.localName, `(r, `, strconv.Itoa(int(maxFieldNumber+1)), `)`)
}
p.Out()
p.P(`}`)
}
}
p.P(`return this`)
p.Out()
p.P(`}`)
p.P(``)
//Generate NewPopulated functions for oneof fields
m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
for _, f := range m.Field {
oneof := f.OneofIndex != nil
if !oneof {
continue
}
ccTypeName := p.OneOfTypeName(message, f)
p.P(`func NewPopulated`, ccTypeName, `(r randy`, p.localName, `, easy bool) *`, ccTypeName, ` {`)
p.In()
p.P(`this := &`, ccTypeName, `{}`)
vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(f)
p.GenerateField(file, message, f)
p.P(`return this`)
p.Out()
p.P(`}`)
}
}
if !p.atleastOne {
return
}
p.P(`type randy`, p.localName, ` interface {`)
p.In()
p.P(`Float32() float32`)
p.P(`Float64() float64`)
p.P(`Int63() int64`)
p.P(`Int31() int32`)
p.P(`Uint32() uint32`)
p.P(`Intn(n int) int`)
p.Out()
p.P(`}`)
p.P(`func randUTF8Rune`, p.localName, `(r randy`, p.localName, `) rune {`)
p.In()
p.P(`ru := r.Intn(62)`)
p.P(`if ru < 10 {`)
p.In()
p.P(`return rune(ru+48)`)
p.Out()
p.P(`} else if ru < 36 {`)
p.In()
p.P(`return rune(ru+55)`)
p.Out()
p.P(`}`)
p.P(`return rune(ru+61)`)
p.Out()
p.P(`}`)
p.P(`func randString`, p.localName, `(r randy`, p.localName, `) string {`)
p.In()
p.P(p.varGen.Next(), ` := r.Intn(100)`)
p.P(`tmps := make([]rune, `, p.varGen.Current(), `)`)
p.P(`for i := 0; i < `, p.varGen.Current(), `; i++ {`)
p.In()
p.P(`tmps[i] = randUTF8Rune`, p.localName, `(r)`)
p.Out()
p.P(`}`)
p.P(`return string(tmps)`)
p.Out()
p.P(`}`)
p.P(`func randUnrecognized`, p.localName, `(r randy`, p.localName, `, maxFieldNumber int) (data []byte) {`)
p.In()
p.P(`l := r.Intn(5)`)
p.P(`for i := 0; i < l; i++ {`)
p.In()
p.P(`wire := r.Intn(4)`)
p.P(`if wire == 3 { wire = 5 }`)
p.P(`fieldNumber := maxFieldNumber + r.Intn(100)`)
p.P(`data = randField`, p.localName, `(data, r, fieldNumber, wire)`)
p.Out()
p.P(`}`)
p.P(`return data`)
p.Out()
p.P(`}`)
p.P(`func randField`, p.localName, `(data []byte, r randy`, p.localName, `, fieldNumber int, wire int) []byte {`)
p.In()
p.P(`key := uint32(fieldNumber)<<3 | uint32(wire)`)
p.P(`switch wire {`)
p.P(`case 0:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(p.varGen.Next(), ` := r.Int63()`)
p.P(`if r.Intn(2) == 0 {`)
p.In()
p.P(p.varGen.Current(), ` *= -1`)
p.Out()
p.P(`}`)
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(`, p.varGen.Current(), `))`)
p.Out()
p.P(`case 1:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(`data = append(data, byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)))`)
p.Out()
p.P(`case 2:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(`ll := r.Intn(100)`)
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(ll))`)
p.P(`for j := 0; j < ll; j++ {`)
p.In()
p.P(`data = append(data, byte(r.Intn(256)))`)
p.Out()
p.P(`}`)
p.Out()
p.P(`default:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(`data = append(data, byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)))`)
p.Out()
p.P(`}`)
p.P(`return data`)
p.Out()
p.P(`}`)
p.P(`func encodeVarintPopulate`, p.localName, `(data []byte, v uint64) []byte {`)
p.In()
p.P(`for v >= 1<<7 {`)
p.In()
p.P(`data = append(data, uint8(uint64(v)&0x7f|0x80))`)
p.P(`v >>= 7`)
p.Out()
p.P(`}`)
p.P(`data = append(data, uint8(v))`)
p.P(`return data`)
p.Out()
p.P(`}`)
}