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1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, 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 js_backend; | 5 part of js_backend; |
6 | 6 |
7 /** | 7 /** |
8 * Categorizes `noSuchMethod` implementations. | 8 * Categorizes `noSuchMethod` implementations. |
9 * | 9 * |
10 * If user code includes `noSuchMethod` implementations, type inference is | 10 * If user code includes `noSuchMethod` implementations, type inference is |
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161 return NsmCategory.THROWING; | 161 return NsmCategory.THROWING; |
162 } else { | 162 } else { |
163 otherImpls.add(element); | 163 otherImpls.add(element); |
164 return NsmCategory.OTHER; | 164 return NsmCategory.OTHER; |
165 } | 165 } |
166 } | 166 } |
167 | 167 |
168 bool _isDefaultNoSuchMethodImplementation(FunctionElement element) { | 168 bool _isDefaultNoSuchMethodImplementation(FunctionElement element) { |
169 ClassElement classElement = element.enclosingClass; | 169 ClassElement classElement = element.enclosingClass; |
170 return classElement == _compiler.coreClasses.objectClass | 170 return classElement == _compiler.coreClasses.objectClass |
171 || classElement == _backend.jsInterceptorClass | 171 || classElement == _backend.helpers.jsInterceptorClass |
172 || classElement == _backend.jsNullClass; | 172 || classElement == _backend.helpers.jsNullClass; |
173 } | 173 } |
174 | 174 |
175 bool _hasForwardingSyntax(FunctionElement element) { | 175 bool _hasForwardingSyntax(FunctionElement element) { |
176 // At this point we know that this is signature-compatible with | 176 // At this point we know that this is signature-compatible with |
177 // Object.noSuchMethod, but it may have more than one argument as long as | 177 // Object.noSuchMethod, but it may have more than one argument as long as |
178 // it only has one required argument. | 178 // it only has one required argument. |
179 String param = element.parameters.first.name; | 179 String param = element.parameters.first.name; |
180 Statement body = element.node.body; | 180 Statement body = element.node.body; |
181 Expression expr; | 181 Expression expr; |
182 if (body is Return && body.isArrowBody) { | 182 if (body is Return && body.isArrowBody) { |
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218 if (body.statements.nodes.head is ExpressionStatement) { | 218 if (body.statements.nodes.head is ExpressionStatement) { |
219 ExpressionStatement stmt = body.statements.nodes.head; | 219 ExpressionStatement stmt = body.statements.nodes.head; |
220 return stmt.expression is Throw; | 220 return stmt.expression is Throw; |
221 } | 221 } |
222 } | 222 } |
223 return false; | 223 return false; |
224 } | 224 } |
225 } | 225 } |
226 | 226 |
227 enum NsmCategory { DEFAULT, THROWING, OTHER } | 227 enum NsmCategory { DEFAULT, THROWING, OTHER } |
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