void mark()

in lib/printer.dart [88:100]


  void mark(mark) {
    late final SourceLocation loc;
    String? identifier;
    if (mark is SourceLocation) {
      loc = mark;
    } else if (mark is SourceSpan) {
      loc = mark.start;
      if (mark is SourceMapSpan && mark.isIdentifier) identifier = mark.text;
    }
    _maps.addLocation(loc,
        SourceLocation(_buff.length, line: _line, column: _column), identifier);
    _loc = loc;
  }