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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 CompilerTask; |
9 CompilerTask; | 9 import '../compiler.dart' show Compiler; |
10 import '../compiler.dart' show | 10 import '../elements/modelx.dart' show ElementX; |
11 Compiler; | 11 import '../options.dart' show ParserOptions; |
12 import '../elements/modelx.dart' show | 12 import '../tokens/token.dart' show Token; |
13 ElementX; | 13 import '../tree/tree.dart' show Node; |
14 import '../options.dart' show | |
15 ParserOptions; | |
16 import '../tokens/token.dart' show | |
17 Token; | |
18 import '../tree/tree.dart' show | |
19 Node; | |
20 | 14 |
21 import 'element_listener.dart' show | 15 import 'element_listener.dart' show ScannerOptions; |
22 ScannerOptions; | 16 import 'listener.dart' show ParserError; |
23 import 'listener.dart' show | 17 import 'node_listener.dart' show NodeListener; |
24 ParserError; | 18 import 'parser.dart' show Parser; |
25 import 'node_listener.dart' show | |
26 NodeListener; | |
27 import 'parser.dart' show | |
28 Parser; | |
29 | 19 |
30 class ParserTask extends CompilerTask { | 20 class ParserTask extends CompilerTask { |
31 final ParserOptions parserOptions; | 21 final ParserOptions parserOptions; |
32 | 22 |
33 ParserTask(Compiler compiler, this.parserOptions) : super(compiler); | 23 ParserTask(Compiler compiler, this.parserOptions) : super(compiler); |
34 | 24 |
35 String get name => 'Parser'; | 25 String get name => 'Parser'; |
36 | 26 |
37 Node parse(ElementX element) { | 27 Node parse(ElementX element) { |
38 return measure(() => element.parseNode(compiler.parsing)); | 28 return measure(() => element.parseNode(compiler.parsing)); |
39 } | 29 } |
40 | 30 |
41 Node parseCompilationUnit(Token token) { | 31 Node parseCompilationUnit(Token token) { |
42 return measure(() { | 32 return measure(() { |
43 NodeListener listener = new NodeListener( | 33 NodeListener listener = |
44 const ScannerOptions(), reporter, null); | 34 new NodeListener(const ScannerOptions(), reporter, null); |
45 Parser parser = new Parser(listener, parserOptions); | 35 Parser parser = new Parser(listener, parserOptions); |
46 try { | 36 try { |
47 parser.parseUnit(token); | 37 parser.parseUnit(token); |
48 } on ParserError catch(_) { | 38 } on ParserError catch (_) { |
49 assert(invariant(token, compiler.compilationFailed)); | 39 assert(invariant(token, compiler.compilationFailed)); |
50 return listener.makeNodeList(0, null, null, '\n'); | 40 return listener.makeNodeList(0, null, null, '\n'); |
51 } | 41 } |
52 Node result = listener.popNode(); | 42 Node result = listener.popNode(); |
53 assert(listener.nodes.isEmpty); | 43 assert(listener.nodes.isEmpty); |
54 return result; | 44 return result; |
55 }); | 45 }); |
56 } | 46 } |
57 } | 47 } |
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