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Side by Side Diff: sdk/lib/_internal/compiler/implementation/scanner/partial_parser.dart

Issue 11361190: a === b -> identical(a, b) (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address comments. Created 8 years, 1 month ago
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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 part of scanner; 5 part of scanner;
6 6
7 class PartialParser extends Parser { 7 class PartialParser extends Parser {
8 PartialParser(Listener listener) : super(listener); 8 PartialParser(Listener listener) : super(listener);
9 9
10 Token parseClassBody(Token token) => skipClassBody(token); 10 Token parseClassBody(Token token) => skipClassBody(token);
(...skipping 81 matching lines...) Expand 10 before | Expand all | Expand 10 after
92 } 92 }
93 93
94 Token parseFunctionBody(Token token, bool isExpression) { 94 Token parseFunctionBody(Token token, bool isExpression) {
95 assert(!isExpression); 95 assert(!isExpression);
96 String value = token.stringValue; 96 String value = token.stringValue;
97 if (identical(value, ';')) { 97 if (identical(value, ';')) {
98 // No body. 98 // No body.
99 } else if (identical(value, '=>')) { 99 } else if (identical(value, '=>')) {
100 token = parseExpression(token.next); 100 token = parseExpression(token.next);
101 expectSemicolon(token); 101 expectSemicolon(token);
102 } else if (value === '=') { 102 } else if (value == '=') {
103 token = parseRedirectingFactoryBody(token); 103 token = parseRedirectingFactoryBody(token);
104 expectSemicolon(token); 104 expectSemicolon(token);
105 } else { 105 } else {
106 token = skipBlock(token); 106 token = skipBlock(token);
107 } 107 }
108 // There is no "skipped function body event", so we use 108 // There is no "skipped function body event", so we use
109 // handleNoFunctionBody instead. 109 // handleNoFunctionBody instead.
110 listener.handleNoFunctionBody(token); 110 listener.handleNoFunctionBody(token);
111 return token; 111 return token;
112 } 112 }
113 113
114 Token parseFormalParameters(Token token) => skipFormals(token); 114 Token parseFormalParameters(Token token) => skipFormals(token);
115 115
116 Token skipFormals(Token token) { 116 Token skipFormals(Token token) {
117 listener.beginOptionalFormalParameters(token); 117 listener.beginOptionalFormalParameters(token);
118 if (!optional('(', token)) { 118 if (!optional('(', token)) {
119 if (optional(';', token)) { 119 if (optional(';', token)) {
120 listener.recoverableError("expected '('", token: token); 120 listener.recoverableError("expected '('", token: token);
121 return token; 121 return token;
122 } 122 }
123 return listener.unexpected(token); 123 return listener.unexpected(token);
124 } 124 }
125 BeginGroupToken beginGroupToken = token; 125 BeginGroupToken beginGroupToken = token;
126 Token endToken = beginGroupToken.endGroup; 126 Token endToken = beginGroupToken.endGroup;
127 listener.endFormalParameters(0, token, endToken); 127 listener.endFormalParameters(0, token, endToken);
128 return endToken.next; 128 return endToken.next;
129 } 129 }
130 } 130 }
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