// 此处已经读过了 /
func handleSlashInGoChar(r *kmgGoReader.Reader, buf *bytes.Buffer) {
if r.IsEof() {
panic(r.GetFileLineInfo() + " unexcept EOF")
}
b := r.ReadByte()
switch b {
case '0', '1', '2', '3', '4', '5', '6', '7':
r.UnreadByte()
octal := r.MustReadWithSize(3)
b64, err := strconv.ParseUint(string(octal), 8, 8)
if err != nil {
panic(r.GetFileLineInfo() + " " + err.Error())
}
buf.WriteByte(byte(b64))
case 'x':
octal := r.MustReadWithSize(2)
b64, err := strconv.ParseUint(string(octal), 16, 8)
if err != nil {
panic(r.GetFileLineInfo() + " " + err.Error())
}
buf.WriteByte(byte(b64))
case 'u':
octal := r.MustReadWithSize(4)
b64, err := strconv.ParseUint(string(octal), 16, 16)
if err != nil {
panic(r.GetFileLineInfo() + " " + err.Error())
}
buf.WriteRune(rune(b64))
case 'U':
octal := r.MustReadWithSize(8)
b64, err := strconv.ParseUint(string(octal), 16, 32)
if err != nil {
panic(r.GetFileLineInfo() + " " + err.Error())
}
buf.WriteRune(rune(b64))
case 'a':
buf.WriteByte('\a')
case 'b':
buf.WriteByte('\b')
case 'f':
buf.WriteByte('\f')
case 'n':
buf.WriteByte('\n')
case 'r':
buf.WriteByte('\r')
case 't':
buf.WriteByte('\t')
case 'v':
buf.WriteByte('\v')
case '\\':
buf.WriteByte('\\')
case '\'':
buf.WriteByte('\'')
case '"':
buf.WriteByte('"')
default:
panic(r.GetFileLineInfo() + " unexcept byte " + strconv.Itoa(int(b)))
}
}