Linter Demo

Errors: 0

Warnings: 1

File: /home/fstrocco/Dart/dart/benchmark/analyzer/bin/analyzer.dart

#!/usr/bin/env dart // Copyright (c) 2013, 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. /** The entry point for the analyzer. */ library analyzer; import 'dart:async'; import 'dart:convert'; import 'dart:io'; import 'package:analyzer/options.dart'; import 'package:analyzer/src/analyzer_impl.dart'; import 'package:analyzer/src/generated/engine.dart'; import 'package:analyzer/src/generated/error.dart'; import 'package:analyzer/src/generated/interner.dart'; import 'package:analyzer/src/generated/java_core.dart' show JavaSystem; import 'package:analyzer/src/generated/java_engine.dart'; import 'package:analyzer/src/generated/utilities_general.dart'; void main(List<String> args) { StringUtilities.INTERNER = new MappedInterner(); CommandLineOptions options = CommandLineOptions.parse(args); if (options.shouldBatch) { BatchRunner.runAsBatch(args, (List<String> args) { CommandLineOptions options = CommandLineOptions.parse(args); return _analyzeAll(options, true); }); } else { _analyzeAll(options, false); } } _analyzeAll(CommandLineOptions options, bool isBatch) { if (!options.machineFormat) { stdout.writeln("Analyzing ${options.sourceFiles}..."); } ErrorSeverity allResult = ErrorSeverity.NONE; for (String sourcePath in options.sourceFiles) { sourcePath = sourcePath.trim(); // check that file exists if (!new File(sourcePath).existsSync()) { print('File not found: $sourcePath'); exitCode = ErrorSeverity.ERROR.ordinal; // fail fast; don't analyze more files return ErrorSeverity.ERROR; } // check that file is Dart file if (!AnalysisEngine.isDartFileName(sourcePath)) { print('$sourcePath is not a Dart file'); exitCode = ErrorSeverity.ERROR.ordinal; // fail fast; don't analyze more files return ErrorSeverity.ERROR; } ErrorSeverity status = _runAnalyzer(options, sourcePath, isBatch); allResult = allResult.max(status); } return allResult; } _runAnalyzer(CommandLineOptions options, String sourcePath, bool isBatch) { if (options.warmPerf) { int startTime = JavaSystem.currentTimeMillis(); AnalyzerImpl analyzer = new AnalyzerImpl(sourcePath, options, startTime, isBatch); analyzer.analyzeSync(printMode: 2); for (int i = 0; i < 8; i++) { startTime = JavaSystem.currentTimeMillis(); analyzer = new AnalyzerImpl(sourcePath, options, startTime, isBatch); analyzer.analyzeSync(printMode: 0); } PerformanceTag.reset(); startTime = JavaSystem.currentTimeMillis(); analyzer = new AnalyzerImpl(sourcePath, options, startTime, isBatch); return analyzer.analyzeSync(); } int startTime = JavaSystem.currentTimeMillis(); AnalyzerImpl analyzer = new AnalyzerImpl(sourcePath, options, startTime, isBatch); var errorSeverity = analyzer.analyzeSync(); if (errorSeverity == ErrorSeverity.ERROR) { exitCode = errorSeverity.ordinal; } if (options.warningsAreFatal && errorSeverity == ErrorSeverity.WARNING) { exitCode = errorSeverity.ordinal; } return errorSeverity; } typedef ErrorSeverity BatchRunnerHandler(List<String> args); /// Provides a framework to read command line options from stdin and feed them to a callback. class BatchRunner { /** * Run the tool in 'batch' mode, receiving command lines through stdin and returning pass/fail * status through stdout. This feature is intended for use in unit testing. */ static void runAsBatch(List<String> sharedArgs, BatchRunnerHandler handler) { stdout.writeln('>>> BATCH START'); Stopwatch stopwatch = new Stopwatch(); stopwatch.start(); int testsFailed = 0; int totalTests = 0; ErrorSeverity batchResult = ErrorSeverity.NONE; // read line from stdin Stream cmdLine = stdin.transform(UTF8.decoder).transform(new LineSplitter()); cmdLine.listen((String line) { // may be finish if (line.isEmpty) { var time = stopwatch.elapsedMilliseconds; stdout.writeln( '>>> BATCH END (${totalTests - testsFailed}/$totalTests) ${time}ms'); exitCode = batchResult.ordinal; } // prepare aruments var args; { var lineArgs = line.split(new RegExp('\\s+')); args = new List<String>(); args.addAll(sharedArgs); args.addAll(lineArgs); args.remove('-b'); args.remove('--batch'); } // analyze single set of arguments try { totalTests++; ErrorSeverity result = handler(args); bool resultPass = result != ErrorSeverity.ERROR; if (!resultPass) { testsFailed++; } batchResult = batchResult.max(result); // Write stderr end token and flush. stderr.writeln('>>> EOF STDERR'); String resultPassString = resultPass ? 'PASS' : 'FAIL'; stdout.writeln( '>>> TEST $resultPassString ${stopwatch.elapsedMilliseconds}ms'); } catch (e, stackTrace) { stderr.writeln(e); stderr.writeln(stackTrace); stderr.writeln('>>> EOF STDERR'); stdout.writeln('>>> TEST CRASH'); } }); } }