Method readHexEscape

scanner.go:318–334

()

}

func (s *scanner) readHexEscape() (r rune) {
	s.advance()
	for i, c, b := 1, s.current, [3]rune{'x'}; i < len(b); i, c, r = i+1, s.current, r<<4+c {
		switch b[i] = c; {
		case '0' <= c && c <= '9':
			c = c - '0'
		case 'a' <= c && c <= 'f':
			c = c - 'a' + 10
		case 'A' <= c && c <= 'F':
			c = c - 'A' + 10
		default:
			s.escapeError(b[:i+1], "hexadecimal digit expected")
		}
		s.advance()
	}
	return
}

func (s *scanner) readDecimalEscape() (r rune) {
	b := [3]rune{}