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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 library dart2js.parser.task; | 5 library dart2js.parser.task; |
| 6 | 6 |
| 7 import '../common.dart'; | 7 import '../common.dart'; |
| 8 import '../common/tasks.dart' show | 8 import '../common/tasks.dart' show |
| 9 CompilerTask; | 9 CompilerTask; |
| 10 import '../compiler.dart' show | 10 import '../compiler.dart' show |
| 11 Compiler; | 11 Compiler; |
| 12 import '../elements/modelx.dart' show | 12 import '../elements/modelx.dart' show |
| 13 ElementX; | 13 ElementX; |
| 14 import '../tokens/token.dart' show | 14 import '../tokens/token.dart' show |
| 15 Token; | 15 Token; |
| 16 import '../tree/tree.dart' show | 16 import '../tree/tree.dart' show |
| 17 Node; | 17 Node; |
| 18 | 18 |
| 19 import 'element_listener.dart' show |
| 20 ScannerOptions; |
| 19 import 'listener.dart' show | 21 import 'listener.dart' show |
| 20 ParserError; | 22 ParserError; |
| 21 import 'node_listener.dart' show | 23 import 'node_listener.dart' show |
| 22 NodeListener; | 24 NodeListener; |
| 23 import 'parser.dart' show | 25 import 'parser.dart' show |
| 24 Parser; | 26 Parser; |
| 25 | 27 |
| 26 class ParserTask extends CompilerTask { | 28 class ParserTask extends CompilerTask { |
| 27 ParserTask(Compiler compiler) : super(compiler); | 29 ParserTask(Compiler compiler) : super(compiler); |
| 28 String get name => 'Parser'; | 30 String get name => 'Parser'; |
| 29 | 31 |
| 30 Node parse(ElementX element) { | 32 Node parse(ElementX element) { |
| 31 return measure(() => element.parseNode(compiler.parsing)); | 33 return measure(() => element.parseNode(compiler.parsing)); |
| 32 } | 34 } |
| 33 | 35 |
| 34 Node parseCompilationUnit(Token token) { | 36 Node parseCompilationUnit(Token token) { |
| 35 return measure(() { | 37 return measure(() { |
| 36 NodeListener listener = new NodeListener(reporter, null); | 38 NodeListener listener = new NodeListener( |
| 39 const ScannerOptions(), reporter, null); |
| 37 Parser parser = new Parser(listener); | 40 Parser parser = new Parser(listener); |
| 38 try { | 41 try { |
| 39 parser.parseUnit(token); | 42 parser.parseUnit(token); |
| 40 } on ParserError catch(_) { | 43 } on ParserError catch(_) { |
| 41 assert(invariant(token, compiler.compilationFailed)); | 44 assert(invariant(token, compiler.compilationFailed)); |
| 42 return listener.makeNodeList(0, null, null, '\n'); | 45 return listener.makeNodeList(0, null, null, '\n'); |
| 43 } | 46 } |
| 44 Node result = listener.popNode(); | 47 Node result = listener.popNode(); |
| 45 assert(listener.nodes.isEmpty); | 48 assert(listener.nodes.isEmpty); |
| 46 return result; | 49 return result; |
| 47 }); | 50 }); |
| 48 } | 51 } |
| 49 } | 52 } |
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