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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 part of scanner; | 5 part of scanner; |
6 | 6 |
7 /** | 7 /** |
8 * An event generating parser of Dart programs. This parser expects | 8 * An event generating parser of Dart programs. This parser expects |
9 * all tokens in a linked list (aka a token stream). | 9 * all tokens in a linked list (aka a token stream). |
10 * | 10 * |
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31 final Listener listener; | 31 final Listener listener; |
32 bool mayParseFunctionExpressions = true; | 32 bool mayParseFunctionExpressions = true; |
33 | 33 |
34 Parser(this.listener); | 34 Parser(this.listener); |
35 | 35 |
36 Token parseUnit(Token token) { | 36 Token parseUnit(Token token) { |
37 listener.beginCompilationUnit(token); | 37 listener.beginCompilationUnit(token); |
38 int count = 0; | 38 int count = 0; |
39 while (!identical(token.kind, EOF_TOKEN)) { | 39 while (!identical(token.kind, EOF_TOKEN)) { |
40 token = parseTopLevelDeclaration(token); | 40 token = parseTopLevelDeclaration(token); |
| 41 listener.endTopLevelDeclaration(token); |
41 count++; | 42 count++; |
42 } | 43 } |
43 listener.endCompilationUnit(count, token); | 44 listener.endCompilationUnit(count, token); |
44 return token; | 45 return token; |
45 } | 46 } |
46 | 47 |
47 Token parseTopLevelDeclaration(Token token) { | 48 Token parseTopLevelDeclaration(Token token) { |
48 token = parseMetadataStar(token); | 49 token = parseMetadataStar(token); |
49 final String value = token.stringValue; | 50 final String value = token.stringValue; |
50 if (identical(value, 'interface')) { | 51 if (identical(value, 'interface')) { |
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2197 } | 2198 } |
2198 listener.handleContinueStatement(hasTarget, continueKeyword, token); | 2199 listener.handleContinueStatement(hasTarget, continueKeyword, token); |
2199 return expectSemicolon(token); | 2200 return expectSemicolon(token); |
2200 } | 2201 } |
2201 | 2202 |
2202 Token parseEmptyStatement(Token token) { | 2203 Token parseEmptyStatement(Token token) { |
2203 listener.handleEmptyStatement(token); | 2204 listener.handleEmptyStatement(token); |
2204 return expectSemicolon(token); | 2205 return expectSemicolon(token); |
2205 } | 2206 } |
2206 } | 2207 } |
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