void visitCompilationUnit()

in lib/src/rules/lines_longer_than_80_chars.dart [177:226]
43 lines of code
11 McCabe index (conditional complexity)

  void visitCompilationUnit(CompilationUnit node) {
    var lineInfo = node.lineInfo;
    if (lineInfo == null) {
      return;
    }
    var lineCount = lineInfo.lineCount;
    var longLines = <_LineInfo>[];
    for (var i = 0; i < lineCount; i++) {
      var start = lineInfo.getOffsetOfLine(i);
      int end;
      if (i == lineCount - 1) {
        end = node.end;
      } else {
        end = lineInfo.getOffsetOfLine(i + 1) - 1;
        var length = end - start;
        if (length > 80) {
          if (context.currentUnit.content[end] == _lf &&
              context.currentUnit.content[end - 1] == _cr) {
            end--;
          }
        }
      }
      var length = end - start;
      if (length > 80) {
        // Use 80 as the start of the range so that navigating to the lint
        // will place the caret at exactly the location where the line needs
        // to wrap.
        var line = _LineInfo(index: i, offset: start + 80, end: end);
        longLines.add(line);
      }
    }

    if (longLines.isEmpty) return;

    var allowedLineVisitor = _AllowedLongLineVisitor(lineInfo);
    node.accept(allowedLineVisitor);
    var allowedCommentVisitor = _AllowedCommentVisitor(lineInfo);
    node.accept(allowedCommentVisitor);

    var allowedLines = [
      ...allowedLineVisitor.allowedLines,
      ...allowedCommentVisitor.allowedLines
    ];

    for (var line in longLines) {
      if (allowedLines.contains(line.index + 1)) continue;
      rule.reporter
          .reportErrorForOffset(rule.lintCode, line.offset, line.length);
    }
  }