| // Copyright (c) 2018, 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. |
| |
| import 'package:analyzer/error/error.dart'; |
| import 'package:analyzer/file_system/file_system.dart' as file_system; |
| import 'package:analyzer/file_system/file_system.dart'; |
| import 'package:analyzer/src/generated/engine.dart'; |
| import 'package:analyzer_cli/src/context_cache.dart'; |
| import 'package:analyzer_cli/src/options.dart'; |
| |
| abstract class HasContextMixin { |
| ContextCache get contextCache; |
| ResourceProvider get resourceProvider; |
| |
| /// Based on the command line options, performantly get cached analysis |
| /// options for the context. |
| AnalysisOptionsImpl createAnalysisOptionsForCommandLineOptions( |
| CommandLineOptions options, String source) { |
| if (options.analysisOptionsFile != null) { |
| file_system.File file = |
| resourceProvider.getFile(options.analysisOptionsFile); |
| if (!file.exists) { |
| printAndFail('Options file not found: ${options.analysisOptionsFile}', |
| exitCode: ErrorSeverity.ERROR.ordinal); |
| } |
| } |
| |
| return getContextInfo(options, source).analysisOptions; |
| } |
| |
| /// Based on the [CommandLineOptions], and a specific [Source] within those |
| /// options if any are specified, performantly get cached info about the |
| /// context. |
| ContextCacheEntry getContextInfo(CommandLineOptions options, String source) { |
| if (options.sourceFiles.isEmpty) { |
| return contextCache.forSource(resourceProvider.pathContext.current); |
| } |
| |
| return contextCache.forSource(source); |
| } |
| } |