private def dispatchNormal()

in rsc/src/main/scala/rsc/scan/scala/Scanner.scala [226:312]
87 lines of code
36 McCabe index (conditional complexity)

  private def dispatchNormal(): Unit = {
    (ch: @switch) match {
      case SU =>
        start = end
        token = EOF
        value = null
      case '/' =>
        if (ch1 == '/' || ch1 == '*') comment()
        else symbolicIdOrKeyword()
      case ' ' | '\t' =>
        whitespace()
      case CR | LF | FF =>
        newline()
      case 'A' | 'B' | 'C' | 'D' | 'E' | 'F' | 'G' | 'H' | 'I' | 'J' | 'K' | 'L' | 'M' | 'N' | 'O' |
          'P' | 'Q' | 'R' | 'S' | 'T' | 'U' | 'V' | 'W' | 'X' | 'Y' | 'Z' | '$' | '_' | 'a' | 'b' |
          'c' | 'd' | 'e' | 'f' | 'g' | 'h' | 'i' | 'j' | 'k' | 'l' | 'm' | 'n' | 'o' | 'p' | 'q' |
          'r' | 's' | 't' | 'u' | 'v' | 'w' | 'x' | 'y' | 'z' =>
        alphanumericIdOrKeyword()
      case '<' =>
        def xmlPre = token == WHITESPACE || token == LPAREN || token == LBRACE
        def xmlSuf = isXmlNameStart(ch1) || ch1 == '!' || ch1 == '?'
        if (xmlPre && xmlSuf) {
          xml()
        } else {
          symbolicIdOrKeyword()
        }
      case '~' | '!' | '@' | '#' | '%' | '^' | '*' | '+' | '-' | '>' | '?' | ':' | '=' | '&' | '|' |
          '\\' | '⇒' | '←' =>
        symbolicIdOrKeyword()
      case '`' =>
        backquotedId()
      case '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' =>
        number()
      case '"' =>
        string()
      case '\'' =>
        characterOrSymbol()
      case '.' =>
        if (isDecimalDigit(ch1)) {
          number()
        } else {
          nextChar()
          emit(DOT, null)
        }
      case ';' =>
        nextChar()
        emit(SEMI, null)
      case ',' =>
        nextChar()
        emit(COMMA, null)
      case '(' =>
        nextChar()
        emit(LPAREN, null)
      case '{' =>
        nextChar()
        emit(LBRACE, null)
        _blevel += 1
      case ')' =>
        nextChar()
        emit(RPAREN, null)
      case '}' =>
        nextChar()
        emit(RBRACE, null)
        _blevel -= 1
        if (_ilevel != -1 && _blevel == _slevel) {
          _slevels.pop()
          _slevel = if (_slevels.isEmpty) -1 else _slevels.peek
          _mode = INTERPOLATION
        }
      case '[' =>
        nextChar()
        emit(LBRACKET, null)
      case ']' =>
        nextChar()
        emit(RBRACKET, null)
      case other =>
        if (isAlphanumericIdStart(other)) {
          alphanumericIdOrKeyword()
        } else if (isSymbolicIdStart(other)) {
          symbolicIdOrKeyword()
        } else {
          val message = reportOffset(offset, IllegalCharacter)
          emit(ERROR, message.str)
          nextChar()
        }
    }
  }