AstNode _parseLiteral()

in lib/src/parser.dart [154:175]

• 16 lines of code
• 7 McCabe index (conditional complexity)

  AstNode _parseLiteral({bool inOptions = false}) {
    // If we're in an options block, we want to stop parsing as soon as we hit a
    // comma. Otherwise, commas are fair game for literals.
    var regExp = RegExp(inOptions ? r'[^*{[?\\}\],()]*' : r'[^*{[?\\}\]()]*');

    _scanner.scan(regExp);
    var buffer = StringBuffer()..write(_scanner.lastMatch![0]);

    while (_scanner.scan('\\')) {
      buffer.writeCharCode(_scanner.readChar());
      _scanner.scan(regExp);
      buffer.write(_scanner.lastMatch![0]);
    }

    for (var char in const [']', '(', ')']) {
      if (_scanner.matches(char)) _scanner.error('unexpected "$char"');
    }
    if (!inOptions && _scanner.matches('}')) _scanner.error('unexpected "}"');

    return LiteralNode(buffer.toString(),
        context: _context, caseSensitive: _caseSensitive);
  }