func (gofile *File) readStruct(r *kmgGoReader.Reader) StructType {
// 仅跳过
r.ReadAllSpace()
b := r.ReadByte()
if b != '{' {
panic(fmt.Errorf("%s unexcept %s", r.GetFileLineInfo(), string(rune(b))))
}
lastReadBuf := []bytesAndType{}
var lastTag []byte
out := StructType{}
for {
r.ReadAllSpaceWithoutLineBreak()
b := r.ReadByte()
if b == '}' {
return out
} else if b == '"' || b == '\'' || b == '`' {
r.UnreadByte()
lastTag = MustReadGoString(r)
} else if b == ',' {
continue
} else if b == '\n' {
if len(lastReadBuf) == 0 {
continue
} else if len(lastReadBuf) == 1 {
typ := lastReadBuf[0].typ
name := getTypeStructAnonymousName(typ)
out.Field = append(out.Field, StructField{
Name: name,
Elem: typ,
IsAnonymousField: true,
Tag: string(lastTag),
})
lastReadBuf = []bytesAndType{}
} else if len(lastReadBuf) >= 2 {
typ := lastReadBuf[len(lastReadBuf)-1].typ
for i := range lastReadBuf[:len(lastReadBuf)-1] {
out.Field = append(out.Field, StructField{
Name: string(lastReadBuf[i].originByte),
Elem: typ,
IsAnonymousField: false,
Tag: string(lastTag),
})
}
lastReadBuf = []bytesAndType{}
}
} else {
r.UnreadByte()
startPos := r.Pos()
typ := gofile.readType(r)
lastReadBuf = append(lastReadBuf, bytesAndType{
originByte: r.BufToCurrent(startPos),
typ: typ,
})
}
}
}
func readMatchChar(r *kmgGoReader.Reader, starter byte, ender byte) []byte {
startPos := r.Pos()
level := 1
for {
if r.IsEof() {
panic(r.GetFileLineInfo() + " unexcept EOF")
}
b := r.ReadByte()
if b == '"' || b == '`' {
r.UnreadByte()
MustReadGoString(r)
} else if b == '\'' {
r.UnreadByte()
mustReadGoChar(r)
} else if b == starter {
level++
} else if b == ender {
level--
if level == 0 {
return r.BufToCurrent(startPos)
}
}
}
}
func (gofile *File) readParameters(r *kmgGoReader.Reader) (output []FuncParameter) {
b := r.ReadByte()
if b != '(' {
// 处理 int 这种类型
r.UnreadByte()
return []FuncParameter{
{
Type: gofile.readType(r),
},
}
}
parameterPartList := []*astParameterPart{}
lastPart := &astParameterPart{}
for {
r.ReadAllSpace()
b := r.ReadByte()
if b == ')' || b == ',' {
if lastPart.partList[0].originByte != nil {
parameterPartList = append(parameterPartList, lastPart)
lastPart = &astParameterPart{}
}
if b == ')' {
break
}
if b == ',' {
continue
}
}
r.UnreadByte()
if r.IsMatchAfter([]byte("...")) {
r.MustReadMatch([]byte("..."))
lastPart.isVariadic = true
}
startPos := r.Pos()
typ := gofile.readType(r)
buf := r.BufToCurrent(startPos)
//fmt.Println(string(buf))
hasSet := false
for i := range lastPart.partList {
if lastPart.partList[i].originByte == nil {
lastPart.partList[i].originByte = buf
lastPart.partList[i].typ = typ
hasSet = true
break
}
}
if !hasSet {
panic(r.GetFileLineInfo() + " unexcept func parameterList.")
}
}
output = make([]FuncParameter, len(parameterPartList))
onlyHavePart1Num := 0
for i := range parameterPartList {
if parameterPartList[i].partList[1].originByte == nil {
onlyHavePart1Num++
}
}
//重新分析出函数参数来. 处理(int,int) 这种类型.
if onlyHavePart1Num == len(parameterPartList) {
for i := range parameterPartList {
output[i].Type = parameterPartList[i].partList[0].typ
output[i].IsVariadic = parameterPartList[i].isVariadic
}
return output
}
// 处理 (x,y int) (x int,y int) 这种类型.
for i, parameterPart := range parameterPartList {
output[i].Name = string(parameterPart.partList[0].originByte)
if parameterPart.partList[1].typ != nil {
output[i].Type = parameterPart.partList[1].typ
}
output[i].IsVariadic = parameterPart.isVariadic
}
// 补全 (x,y int) 里面 x的类型.
for i := range parameterPartList {
if output[i].Type == nil {
for j := i + 1; j < len(parameterPartList); j++ {
if output[j].Type != nil {
output[i].Type = output[j].Type
}
}
}
}
return output
}