Method readString

scanner.go:348–390

()

}

func (s *scanner) readString() token {
	delimiter := s.current
	for s.saveAndAdvance(); s.current != delimiter; {
		switch s.current {
		case endOfStream:
			s.scanError("unfinished string", tkEOS)
		case '\n', '\r':
			s.scanError("unfinished string", tkString)
		case '\\':
			s.advance()
			c := s.current
			switch esc, ok := escapes[c]; {
			case ok:
				s.advanceAndSave(esc)
			case isNewLine(c):
				s.incrementLineNumber()
				s.save('\n')
			case c == endOfStream: // do nothing
			case c == 'x':
				s.save(s.readHexEscape())
			case c == 'z':
				for s.advance(); unicode.IsSpace(s.current); {
					if isNewLine(s.current) {
						s.incrementLineNumber()
					} else {
						s.advance()
					}
				}
			default:
				if !isDecimal(c) {
					s.escapeError([]rune{c}, "invalid escape sequence")
				}
				s.save(s.readDecimalEscape())
			}
		default:
			s.saveAndAdvance()
		}
	}
	s.saveAndAdvance()
	str := s.buffer.String()
	s.buffer.Reset()
	return token{t: tkString, s: str[1 : len(str)-1]}
}

func isReserved(s string) bool {
	for _, reserved := range tokens[:reservedCount] {