private def string()

in rsc/src/main/scala/rsc/scan/scala/Scanner.scala [548:608]
61 lines of code
15 McCabe index (conditional complexity)

  private def string(): Unit = {
    nextChar()
    if (ch == '"') {
      nextChar()
      if (ch == '"') {
        nextChar()
        val buf = new StringBuilder
        while (ch != '\"' || ch1 != '\"' || ch2 != '\"' || ch3 == '\"') {
          if (ch == SU) {
            val message = reportOffset(offset, UnclosedString)
            emit(ERROR, message.str)
            return
          }
          if (ch == '\\') {
            nextChar()
            ch match {
              case '\\' =>
                buf += '\\'
                buf += '\\'
                nextChar()
              case 'u' =>
                val uoffset = offset
                nextChar()
                var unicode: Int = 0
                var i = 0
                while (i < 4) {
                  if (isHexadecimalDigit(ch)) {
                    unicode = (unicode << 4) + Integer.parseInt(ch.toString, 16)
                  } else {
                    reportOffset(uoffset, IllegalEscape)
                  }
                  nextChar()
                  i += 1
                }
                buf += unicode.toChar
              case other =>
                buf += '\\'
            }
          } else {
            buf += ch
            nextChar()
          }
        }
        nextChar()
        nextChar()
        nextChar()
        emit(LITSTRING, buf.toString)
      } else {
        emit(LITSTRING, "")
      }
    } else {
      val result = quote('"')
      if (ch == '"') {
        nextChar()
        emit(LITSTRING, result)
      } else {
        val message = reportOffset(offset, UnclosedString)
        emit(ERROR, message.str)
      }
    }
  }