| // Copyright (c) 2015, 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 dart2js.parser.diet.task; |
| |
| import '../common.dart'; |
| import '../common/tasks.dart' show |
| CompilerTask; |
| import '../compiler.dart' show |
| Compiler; |
| import '../elements/elements.dart' show |
| CompilationUnitElement; |
| import '../tokens/token.dart' show |
| Token; |
| |
| import 'listener.dart' show |
| ParserError; |
| import 'element_listener.dart' show |
| ElementListener, |
| ScannerOptions; |
| import 'partial_parser.dart' show |
| PartialParser; |
| |
| class DietParserTask extends CompilerTask { |
| final bool _enableConditionalDirectives; |
| |
| DietParserTask(Compiler compiler, {bool enableConditionalDirectives}) |
| : this._enableConditionalDirectives = enableConditionalDirectives, |
| super(compiler); |
| |
| final String name = 'Diet Parser'; |
| |
| dietParse(CompilationUnitElement compilationUnit, Token tokens) { |
| measure(() { |
| Function idGenerator = compiler.getNextFreeClassId; |
| ScannerOptions scannerOptions = new ScannerOptions( |
| canUseNative: compiler.backend.canLibraryUseNative( |
| compilationUnit.library)); |
| ElementListener listener = new ElementListener( |
| scannerOptions, compiler.reporter, compilationUnit, idGenerator); |
| PartialParser parser = new PartialParser( |
| listener, enableConditionalDirectives: _enableConditionalDirectives); |
| try { |
| parser.parseUnit(tokens); |
| } on ParserError catch(_) { |
| assert(invariant(compilationUnit, compiler.compilationFailed)); |
| } |
| }); |
| } |
| } |