func (p *plugin) getEnumVal(field *descriptor.FieldDescriptorProto, goTyp string) string {
enum := p.ObjectNamed(field.GetTypeName()).(*generator.EnumDescriptor)
l := len(enum.Value)
values := make([]string, l)
for i := range enum.Value {
values[i] = strconv.Itoa(int(*enum.Value[i].Number))
}
arr := "[]int32{" + strings.Join(values, ",") + "}"
val := strings.Join([]string{generator.GoTypeToName(goTyp), `(`, arr, `[r.Intn(`, fmt.Sprintf("%d", l), `)])`}, "")
return val
}
func (g *Generator) IsMap(field *descriptor.FieldDescriptorProto) bool {
if !field.IsMessage() {
return false
}
byName := g.ObjectNamed(field.GetTypeName())
desc, ok := byName.(*Descriptor)
if byName == nil || !ok || !desc.GetOptions().GetMapEntry() {
return false
}
return true
}
func (p *plugin) hasLoop(field *descriptor.FieldDescriptorProto, visited []*generator.Descriptor, excludes []*generator.Descriptor) *generator.Descriptor {
if field.IsMessage() || p.IsGroup(field) || p.IsMap(field) {
var fieldMessage *generator.Descriptor
if p.IsMap(field) {
m := p.GoMapType(nil, field)
if !m.ValueField.IsMessage() {
return nil
}
fieldMessage = p.ObjectNamed(m.ValueField.GetTypeName()).(*generator.Descriptor)
} else {
fieldMessage = p.ObjectNamed(field.GetTypeName()).(*generator.Descriptor)
}
fieldTypeName := generator.CamelCaseSlice(fieldMessage.TypeName())
for _, message := range visited {
messageTypeName := generator.CamelCaseSlice(message.TypeName())
if fieldTypeName == messageTypeName {
for _, e := range excludes {
if fieldTypeName == generator.CamelCaseSlice(e.TypeName()) {
return nil
}
}
return fieldMessage
}
}
pkg := strings.Split(field.GetTypeName(), ".")[1]
for _, f := range fieldMessage.Field {
if strings.HasPrefix(f.GetTypeName(), "."+pkg+".") {
visited = append(visited, fieldMessage)
loopTo := p.hasLoop(f, visited, excludes)
if loopTo != nil {
return loopTo
}
}
}
}
return nil
}
func (p *unmarshal) field(file *generator.FileDescriptor, msg *generator.Descriptor, field *descriptor.FieldDescriptorProto, fieldname string, proto3 bool) {
repeated := field.IsRepeated()
nullable := gogoproto.IsNullable(field)
typ := p.noStarOrSliceType(msg, field)
oneof := field.OneofIndex != nil
switch *field.Type {
case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
if !p.unsafe || gogoproto.IsCastType(field) {
p.P(`var v uint64`)
p.decodeFixed64("v", "uint64")
if oneof {
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{`, typ, "(", p.mathPkg.Use(), `.Float64frombits(v))}`)
} else if repeated {
p.P(`v2 := `, typ, "(", p.mathPkg.Use(), `.Float64frombits(v))`)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v2)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = `, typ, "(", p.mathPkg.Use(), `.Float64frombits(v))`)
} else {
p.P(`v2 := `, typ, "(", p.mathPkg.Use(), `.Float64frombits(v))`)
p.P(`m.`, fieldname, ` = &v2`)
}
} else {
if oneof {
p.P(`var v float64`)
p.unsafeFixed64("v", "float64")
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v float64`)
p.unsafeFixed64("v", "float64")
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.unsafeFixed64(`m.`+fieldname, "float64")
} else {
p.P(`var v float64`)
p.unsafeFixed64("v", "float64")
p.P(`m.`, fieldname, ` = &v`)
}
}
case descriptor.FieldDescriptorProto_TYPE_FLOAT:
if !p.unsafe || gogoproto.IsCastType(field) {
p.P(`var v uint32`)
p.decodeFixed32("v", "uint32")
if oneof {
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{`, typ, "(", p.mathPkg.Use(), `.Float32frombits(v))}`)
} else if repeated {
p.P(`v2 := `, typ, "(", p.mathPkg.Use(), `.Float32frombits(v))`)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v2)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = `, typ, "(", p.mathPkg.Use(), `.Float32frombits(v))`)
} else {
p.P(`v2 := `, typ, "(", p.mathPkg.Use(), `.Float32frombits(v))`)
p.P(`m.`, fieldname, ` = &v2`)
}
} else {
if oneof {
p.P(`var v float32`)
p.unsafeFixed32("v", "float32")
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v float32`)
p.unsafeFixed32("v", "float32")
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.unsafeFixed32("m."+fieldname, "float32")
} else {
p.P(`var v float32`)
p.unsafeFixed32("v", "float32")
p.P(`m.`, fieldname, ` = &v`)
}
}
case descriptor.FieldDescriptorProto_TYPE_INT64:
if oneof {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeVarint("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
case descriptor.FieldDescriptorProto_TYPE_UINT64:
if oneof {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeVarint("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
case descriptor.FieldDescriptorProto_TYPE_INT32:
if oneof {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeVarint("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
case descriptor.FieldDescriptorProto_TYPE_FIXED64:
if !p.unsafe || gogoproto.IsCastType(field) {
if oneof {
p.P(`var v `, typ)
p.decodeFixed64("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeFixed64("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeFixed64("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeFixed64("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
} else {
if oneof {
p.P(`var v uint64`)
p.unsafeFixed64("v", "uint64")
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v uint64`)
p.unsafeFixed64("v", "uint64")
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.unsafeFixed64("m."+fieldname, "uint64")
} else {
p.P(`var v uint64`)
p.unsafeFixed64("v", "uint64")
p.P(`m.`, fieldname, ` = &v`)
}
}
case descriptor.FieldDescriptorProto_TYPE_FIXED32:
if !p.unsafe || gogoproto.IsCastType(field) {
if oneof {
p.P(`var v `, typ)
p.decodeFixed32("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeFixed32("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeFixed32("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeFixed32("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
} else {
if oneof {
p.P(`var v uint32`)
p.unsafeFixed32("v", "uint32")
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v uint32`)
p.unsafeFixed32("v", "uint32")
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.unsafeFixed32("m."+fieldname, "uint32")
} else {
p.P(`var v uint32`)
p.unsafeFixed32("v", "uint32")
p.P(`m.`, fieldname, ` = &v`)
}
}
case descriptor.FieldDescriptorProto_TYPE_BOOL:
p.P(`var v int`)
p.decodeVarint("v", "int")
if oneof {
p.P(`b := `, typ, `(v != 0)`)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{b}`)
} else if repeated {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, `, typ, `(v != 0))`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = `, typ, `(v != 0)`)
} else {
p.P(`b := `, typ, `(v != 0)`)
p.P(`m.`, fieldname, ` = &b`)
}
case descriptor.FieldDescriptorProto_TYPE_STRING:
p.P(`var stringLen uint64`)
p.decodeVarint("stringLen", "uint64")
p.P(`intStringLen := int(stringLen)`)
p.P(`if intStringLen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postIndex := iNdEx + intStringLen`)
p.P(`if postIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if oneof {
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{`, typ, `(data[iNdEx:postIndex])}`)
} else if repeated {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, `, typ, `(data[iNdEx:postIndex]))`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = `, typ, `(data[iNdEx:postIndex])`)
} else {
p.P(`s := `, typ, `(data[iNdEx:postIndex])`)
p.P(`m.`, fieldname, ` = &s`)
}
p.P(`iNdEx = postIndex`)
case descriptor.FieldDescriptorProto_TYPE_GROUP:
panic(fmt.Errorf("unmarshaler does not support group %v", fieldname))
case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
desc := p.ObjectNamed(field.GetTypeName())
msgname := p.TypeName(desc)
p.P(`var msglen int`)
p.decodeVarint("msglen", "int")
p.P(`if msglen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postIndex := iNdEx + msglen`)
p.P(`if postIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if oneof {
buf := `data[iNdEx:postIndex]`
if gogoproto.IsStdTime(field) {
if nullable {
p.P(`v := new(time.Time)`)
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(v, `, buf, `); err != nil {`)
} else {
p.P(`v := time.Time{}`)
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(&v, `, buf, `); err != nil {`)
}
} else if gogoproto.IsStdDuration(field) {
if nullable {
p.P(`v := new(time.Duration)`)
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(v, `, buf, `); err != nil {`)
} else {
p.P(`v := time.Duration(0)`)
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(&v, `, buf, `); err != nil {`)
}
} else {
p.P(`v := &`, msgname, `{}`)
p.P(`if err := v.Unmarshal(`, buf, `); err != nil {`)
}
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if p.IsMap(field) {
m := p.GoMapType(nil, field)
keygoTyp, _ := 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)
valuegoTyp, _ := p.GoType(nil, m.ValueField)
valuegoAliasTyp, _ := p.GoType(nil, m.ValueAliasField)
// if the map type is an alias and key or values are aliases (type Foo map[Bar]Baz),
// we need to explicitly record their use here.
p.RecordTypeUse(m.KeyAliasField.GetTypeName())
p.RecordTypeUse(m.ValueAliasField.GetTypeName())
nullable, valuegoTyp, valuegoAliasTyp = generator.GoMapValueTypes(field, m.ValueField, valuegoTyp, valuegoAliasTyp)
if gogoproto.IsStdTime(field) || gogoproto.IsStdDuration(field) {
valuegoTyp = valuegoAliasTyp
}
p.P(`var keykey uint64`)
p.decodeVarint("keykey", "uint64")
p.mapField("mapkey", false, m.KeyAliasField)
p.P(`if m.`, fieldname, ` == nil {`)
p.In()
p.P(`m.`, fieldname, ` = make(`, m.GoType, `)`)
p.Out()
p.P(`}`)
s := `m.` + fieldname
if keygoTyp == keygoAliasTyp {
s += `[mapkey]`
} else {
s += `[` + keygoAliasTyp + `(mapkey)]`
}
v := `mapvalue`
if (m.ValueField.IsMessage() || gogoproto.IsCustomType(field)) && !nullable {
v = `*` + v
}
if valuegoTyp != valuegoAliasTyp {
v = `((` + valuegoAliasTyp + `)(` + v + `))`
}
p.P(`if iNdEx < postIndex {`)
p.In()
p.P(`var valuekey uint64`)
p.decodeVarint("valuekey", "uint64")
p.mapField("mapvalue", gogoproto.IsCustomType(field), m.ValueAliasField)
p.P(s, ` = `, v)
p.Out()
p.P(`} else {`)
p.In()
if gogoproto.IsStdTime(field) {
p.P(`var mapvalue = new(time.Time)`)
if nullable {
p.P(s, ` = mapvalue`)
} else {
p.P(s, ` = *mapvalue`)
}
} else if gogoproto.IsStdDuration(field) {
p.P(`var mapvalue = new(time.Duration)`)
if nullable {
p.P(s, ` = mapvalue`)
} else {
p.P(s, ` = *mapvalue`)
}
} else {
p.P(`var mapvalue `, valuegoAliasTyp)
p.P(s, ` = mapvalue`)
}
p.Out()
p.P(`}`)
} else if repeated {
if gogoproto.IsStdTime(field) {
if nullable {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, new(time.Time))`)
} else {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, time.Time{})`)
}
} else if gogoproto.IsStdDuration(field) {
if nullable {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, new(time.Duration))`)
} else {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, time.Duration(0))`)
}
} else if nullable {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, &`, msgname, `{})`)
} else {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, `, msgname, `{})`)
}
varName := `m.` + fieldname + `[len(m.` + fieldname + `)-1]`
buf := `data[iNdEx:postIndex]`
if gogoproto.IsStdTime(field) {
if nullable {
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(`, varName, `,`, buf, `); err != nil {`)
} else {
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(&(`, varName, `),`, buf, `); err != nil {`)
}
} else if gogoproto.IsStdDuration(field) {
if nullable {
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(`, varName, `,`, buf, `); err != nil {`)
} else {
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(&(`, varName, `),`, buf, `); err != nil {`)
}
} else {
p.P(`if err := `, varName, `.Unmarshal(`, buf, `); err != nil {`)
}
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
} else if nullable {
p.P(`if m.`, fieldname, ` == nil {`)
p.In()
if gogoproto.IsStdTime(field) {
p.P(`m.`, fieldname, ` = new(time.Time)`)
} else if gogoproto.IsStdDuration(field) {
p.P(`m.`, fieldname, ` = new(time.Duration)`)
} else {
p.P(`m.`, fieldname, ` = &`, msgname, `{}`)
}
p.Out()
p.P(`}`)
if gogoproto.IsStdTime(field) {
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(m.`, fieldname, `, data[iNdEx:postIndex]); err != nil {`)
} else if gogoproto.IsStdDuration(field) {
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(m.`, fieldname, `, data[iNdEx:postIndex]); err != nil {`)
} else {
p.P(`if err := m.`, fieldname, `.Unmarshal(data[iNdEx:postIndex]); err != nil {`)
}
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
} else {
if gogoproto.IsStdTime(field) {
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(&m.`, fieldname, `, data[iNdEx:postIndex]); err != nil {`)
} else if gogoproto.IsStdDuration(field) {
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(&m.`, fieldname, `, data[iNdEx:postIndex]); err != nil {`)
} else {
p.P(`if err := m.`, fieldname, `.Unmarshal(data[iNdEx:postIndex]); err != nil {`)
}
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
}
p.P(`iNdEx = postIndex`)
case descriptor.FieldDescriptorProto_TYPE_BYTES:
p.P(`var byteLen int`)
p.decodeVarint("byteLen", "int")
p.P(`if byteLen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postIndex := iNdEx + byteLen`)
p.P(`if postIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if !gogoproto.IsCustomType(field) {
if oneof {
p.P(`v := make([]byte, postIndex-iNdEx)`)
p.P(`copy(v, data[iNdEx:postIndex])`)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, make([]byte, postIndex-iNdEx))`)
p.P(`copy(m.`, fieldname, `[len(m.`, fieldname, `)-1], data[iNdEx:postIndex])`)
} else {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `[:0] , data[iNdEx:postIndex]...)`)
p.P(`if m.`, fieldname, ` == nil {`)
p.In()
p.P(`m.`, fieldname, ` = []byte{}`)
p.Out()
p.P(`}`)
}
} else {
_, ctyp, err := generator.GetCustomType(field)
if err != nil {
panic(err)
}
if oneof {
p.P(`var vv `, ctyp)
p.P(`v := &vv`)
p.P(`if err := v.Unmarshal(data[iNdEx:postIndex]); err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{*v}`)
} else if repeated {
p.P(`var v `, ctyp)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
p.P(`if err := m.`, fieldname, `[len(m.`, fieldname, `)-1].Unmarshal(data[iNdEx:postIndex]); err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
} else if nullable {
p.P(`var v `, ctyp)
p.P(`m.`, fieldname, ` = &v`)
p.P(`if err := m.`, fieldname, `.Unmarshal(data[iNdEx:postIndex]); err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
} else {
p.P(`if err := m.`, fieldname, `.Unmarshal(data[iNdEx:postIndex]); err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
}
}
p.P(`iNdEx = postIndex`)
case descriptor.FieldDescriptorProto_TYPE_UINT32:
if oneof {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeVarint("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
case descriptor.FieldDescriptorProto_TYPE_ENUM:
typName := p.TypeName(p.ObjectNamed(field.GetTypeName()))
if oneof {
p.P(`var v `, typName)
p.decodeVarint("v", typName)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typName)
p.decodeVarint("v", typName)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeVarint("m."+fieldname, typName)
} else {
p.P(`var v `, typName)
p.decodeVarint("v", typName)
p.P(`m.`, fieldname, ` = &v`)
}
case descriptor.FieldDescriptorProto_TYPE_SFIXED32:
if !p.unsafe || gogoproto.IsCastType(field) {
if oneof {
p.P(`var v `, typ)
p.decodeFixed32("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeFixed32("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeFixed32("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeFixed32("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
} else {
if oneof {
p.P(`var v int32`)
p.unsafeFixed32("v", "int32")
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v int32`)
p.unsafeFixed32("v", "int32")
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.unsafeFixed32("m."+fieldname, "int32")
} else {
p.P(`var v int32`)
p.unsafeFixed32("v", "int32")
p.P(`m.`, fieldname, ` = &v`)
}
}
case descriptor.FieldDescriptorProto_TYPE_SFIXED64:
if !p.unsafe || gogoproto.IsCastType(field) {
if oneof {
p.P(`var v `, typ)
p.decodeFixed64("v", typ)
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v `, typ)
p.decodeFixed64("v", typ)
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = 0`)
p.decodeFixed64("m."+fieldname, typ)
} else {
p.P(`var v `, typ)
p.decodeFixed64("v", typ)
p.P(`m.`, fieldname, ` = &v`)
}
} else {
if oneof {
p.P(`var v int64`)
p.unsafeFixed64("v", "int64")
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`var v int64`)
p.unsafeFixed64("v", "int64")
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.unsafeFixed64("m."+fieldname, "int64")
} else {
p.P(`var v int64`)
p.unsafeFixed64("v", "int64")
p.P(`m.`, fieldname, ` = &v`)
}
}
case descriptor.FieldDescriptorProto_TYPE_SINT32:
p.P(`var v `, typ)
p.decodeVarint("v", typ)
p.P(`v = `, typ, `((uint32(v) >> 1) ^ uint32(((v&1)<<31)>>31))`)
if oneof {
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{v}`)
} else if repeated {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, v)`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = v`)
} else {
p.P(`m.`, fieldname, ` = &v`)
}
case descriptor.FieldDescriptorProto_TYPE_SINT64:
p.P(`var v uint64`)
p.decodeVarint("v", "uint64")
p.P(`v = (v >> 1) ^ uint64((int64(v&1)<<63)>>63)`)
if oneof {
p.P(`m.`, fieldname, ` = &`, p.OneOfTypeName(msg, field), `{`, typ, `(v)}`)
} else if repeated {
p.P(`m.`, fieldname, ` = append(m.`, fieldname, `, `, typ, `(v))`)
} else if proto3 || !nullable {
p.P(`m.`, fieldname, ` = `, typ, `(v)`)
} else {
p.P(`v2 := `, typ, `(v)`)
p.P(`m.`, fieldname, ` = &v2`)
}
default:
panic("not implemented")
}
}
func (p *unmarshal) mapField(varName string, customType bool, field *descriptor.FieldDescriptorProto) {
switch field.GetType() {
case descriptor.FieldDescriptorProto_TYPE_DOUBLE:
p.P(`var `, varName, `temp uint64`)
p.decodeFixed64(varName+"temp", "uint64")
p.P(varName, ` := `, p.mathPkg.Use(), `.Float64frombits(`, varName, `temp)`)
case descriptor.FieldDescriptorProto_TYPE_FLOAT:
p.P(`var `, varName, `temp uint32`)
p.decodeFixed32(varName+"temp", "uint32")
p.P(varName, ` := `, p.mathPkg.Use(), `.Float32frombits(`, varName, `temp)`)
case descriptor.FieldDescriptorProto_TYPE_INT64:
p.P(`var `, varName, ` int64`)
p.decodeVarint(varName, "int64")
case descriptor.FieldDescriptorProto_TYPE_UINT64:
p.P(`var `, varName, ` uint64`)
p.decodeVarint(varName, "uint64")
case descriptor.FieldDescriptorProto_TYPE_INT32:
p.P(`var `, varName, ` int32`)
p.decodeVarint(varName, "int32")
case descriptor.FieldDescriptorProto_TYPE_FIXED64:
p.P(`var `, varName, ` uint64`)
p.decodeFixed64(varName, "uint64")
case descriptor.FieldDescriptorProto_TYPE_FIXED32:
p.P(`var `, varName, ` uint32`)
p.decodeFixed32(varName, "uint32")
case descriptor.FieldDescriptorProto_TYPE_BOOL:
p.P(`var `, varName, `temp int`)
p.decodeVarint(varName+"temp", "int")
p.P(varName, ` := bool(`, varName, `temp != 0)`)
case descriptor.FieldDescriptorProto_TYPE_STRING:
p.P(`var stringLen`, varName, ` uint64`)
p.decodeVarint("stringLen"+varName, "uint64")
p.P(`intStringLen`, varName, ` := int(stringLen`, varName, `)`)
p.P(`if intStringLen`, varName, ` < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postStringIndex`, varName, ` := iNdEx + intStringLen`, varName)
p.P(`if postStringIndex`, varName, ` > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
cast, _ := p.GoType(nil, field)
cast = strings.Replace(cast, "*", "", 1)
p.P(varName, ` := `, cast, `(data[iNdEx:postStringIndex`, varName, `])`)
p.P(`iNdEx = postStringIndex`, varName)
case descriptor.FieldDescriptorProto_TYPE_MESSAGE:
p.P(`var mapmsglen int`)
p.decodeVarint("mapmsglen", "int")
p.P(`if mapmsglen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postmsgIndex := iNdEx + mapmsglen`)
p.P(`if mapmsglen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`if postmsgIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
desc := p.ObjectNamed(field.GetTypeName())
msgname := p.TypeName(desc)
buf := `data[iNdEx:postmsgIndex]`
if gogoproto.IsStdTime(field) {
p.P(varName, ` := new(time.Time)`)
p.P(`if err := `, p.typesPkg.Use(), `.StdTimeUnmarshal(`, varName, `, `, buf, `); err != nil {`)
} else if gogoproto.IsStdDuration(field) {
p.P(varName, ` := new(time.Duration)`)
p.P(`if err := `, p.typesPkg.Use(), `.StdDurationUnmarshal(`, varName, `, `, buf, `); err != nil {`)
} else {
p.P(varName, ` := &`, msgname, `{}`)
p.P(`if err := `, varName, `.Unmarshal(`, buf, `); err != nil {`)
}
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`iNdEx = postmsgIndex`)
case descriptor.FieldDescriptorProto_TYPE_BYTES:
p.P(`var mapbyteLen uint64`)
p.decodeVarint("mapbyteLen", "uint64")
p.P(`intMapbyteLen := int(mapbyteLen)`)
p.P(`if intMapbyteLen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postbytesIndex := iNdEx + intMapbyteLen`)
p.P(`if postbytesIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if customType {
_, ctyp, err := generator.GetCustomType(field)
if err != nil {
panic(err)
}
p.P(`var `, varName, `1 `, ctyp)
p.P(`var `, varName, ` = &`, varName, `1`)
p.P(`if err := `, varName, `.Unmarshal(data[iNdEx:postbytesIndex]); err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
} else {
p.P(varName, ` := make([]byte, mapbyteLen)`)
p.P(`copy(`, varName, `, data[iNdEx:postbytesIndex])`)
}
p.P(`iNdEx = postbytesIndex`)
case descriptor.FieldDescriptorProto_TYPE_UINT32:
p.P(`var `, varName, ` uint32`)
p.decodeVarint(varName, "uint32")
case descriptor.FieldDescriptorProto_TYPE_ENUM:
typName := p.TypeName(p.ObjectNamed(field.GetTypeName()))
p.P(`var `, varName, ` `, typName)
p.decodeVarint(varName, typName)
case descriptor.FieldDescriptorProto_TYPE_SFIXED32:
p.P(`var `, varName, ` int32`)
p.decodeFixed32(varName, "int32")
case descriptor.FieldDescriptorProto_TYPE_SFIXED64:
p.P(`var `, varName, ` int64`)
p.decodeFixed64(varName, "int64")
case descriptor.FieldDescriptorProto_TYPE_SINT32:
p.P(`var `, varName, `temp int32`)
p.decodeVarint(varName+"temp", "int32")
p.P(varName, `temp = int32((uint32(`, varName, `temp) >> 1) ^ uint32(((`, varName, `temp&1)<<31)>>31))`)
p.P(varName, ` := int32(`, varName, `temp)`)
case descriptor.FieldDescriptorProto_TYPE_SINT64:
p.P(`var `, varName, `temp uint64`)
p.decodeVarint(varName+"temp", "uint64")
p.P(varName, `temp = (`, varName, `temp >> 1) ^ uint64((int64(`, varName, `temp&1)<<63)>>63)`)
p.P(varName, ` := int64(`, varName, `temp)`)
}
}
func (g *Generator) IsGroup(field *descriptor.FieldDescriptorProto) bool {
if d, ok := g.typeNameToObject[field.GetTypeName()].(*Descriptor); ok {
return d.IsGroup()
}
return false
}