Linter Demo

Errors: 16

Warnings: 9

File: /home/fstrocco/Dart/dart/benchmark/dartstyle/lib/src/formatter_exception.dart

// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file // for details. All rights reserved. Use of this source code is governed by a // BSD-style license that can be found in the LICENSE file. library dart_style.src.formatter_exception; import 'package:analyzer/analyzer.dart'; import 'package:source_span/source_span.dart'; /// Thrown when one or more errors occurs while parsing the code to be /// formatted. class FormatterException implements Exception { /// The [AnalysisError]s that occurred. final List<AnalysisError> errors; /// Creates a new FormatterException with an optional error [message]. const FormatterException(this.errors); /// Creates a human-friendly representation of the analysis errors. String message({bool color}) { var buffer = new StringBuffer(); buffer.writeln("Could not format because the source could not be parsed:"); // In case we get a huge series of cascaded errors, just show the first few. var shownErrors = errors; if (errors.length > 10) shownErrors = errors.take(10); for (var error in shownErrors) { var source = error.source.contents.data; // If the parse error is for something missing from the end of the file, // the error position will go past the end of the source. In that case, // just pad the source with spaces so we can report it nicely. if (error.offset + error.length > source.length) { source += " " * (error.offset + error.length - source.length); } var file = new SourceFile(source, url: error.source.fullName); var span = file.span(error.offset, error.offset + error.length); if (buffer.isNotEmpty) buffer.writeln(); buffer.write(span.message(error.message, color: color)); } if (shownErrors.length != errors.length) { buffer.writeln(); buffer.write("(${errors.length - shownErrors.length} more errors...)"); } return buffer.toString(); } String toString() => message(); }