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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 /** | 5 /** |
| 6 * Defines element visitors that support useful patterns for visiting the | 6 * Defines element visitors that support useful patterns for visiting the |
| 7 * elements in an [element model](element.dart). | 7 * elements in an [element model](element.dart). |
| 8 * | 8 * |
| 9 * Dart is an evolving language, and the element model must evolved with it. | 9 * Dart is an evolving language, and the element model must evolved with it. |
| 10 * When the element model changes, the visitor interface will sometimes change | 10 * When the element model changes, the visitor interface will sometimes change |
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| 115 visitParameterElement(element); | 115 visitParameterElement(element); |
| 116 | 116 |
| 117 @override | 117 @override |
| 118 R visitFunctionElement(FunctionElement element) => visitLocalElement(element); | 118 R visitFunctionElement(FunctionElement element) => visitLocalElement(element); |
| 119 | 119 |
| 120 @override | 120 @override |
| 121 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => | 121 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => |
| 122 visitElement(element); | 122 visitElement(element); |
| 123 | 123 |
| 124 @override | 124 @override |
| 125 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => |
| 126 visitElement(element); |
| 127 |
| 128 @override |
| 125 R visitImportElement(ImportElement element) => visitElement(element); | 129 R visitImportElement(ImportElement element) => visitElement(element); |
| 126 | 130 |
| 127 @override | 131 @override |
| 128 R visitLabelElement(LabelElement element) => visitElement(element); | 132 R visitLabelElement(LabelElement element) => visitElement(element); |
| 129 | 133 |
| 130 @override | 134 @override |
| 131 R visitLibraryElement(LibraryElement element) => visitElement(element); | 135 R visitLibraryElement(LibraryElement element) => visitElement(element); |
| 132 | 136 |
| 133 R visitLocalElement(LocalElement element) { | 137 R visitLocalElement(LocalElement element) { |
| 134 if (element is LocalVariableElement) { | 138 if (element is LocalVariableElement) { |
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| 234 return null; | 238 return null; |
| 235 } | 239 } |
| 236 | 240 |
| 237 @override | 241 @override |
| 238 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) { | 242 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) { |
| 239 element.visitChildren(this); | 243 element.visitChildren(this); |
| 240 return null; | 244 return null; |
| 241 } | 245 } |
| 242 | 246 |
| 243 @override | 247 @override |
| 248 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) { |
| 249 element.visitChildren(this); |
| 250 return null; |
| 251 } |
| 252 |
| 253 @override |
| 244 R visitImportElement(ImportElement element) { | 254 R visitImportElement(ImportElement element) { |
| 245 element.visitChildren(this); | 255 element.visitChildren(this); |
| 246 return null; | 256 return null; |
| 247 } | 257 } |
| 248 | 258 |
| 249 @override | 259 @override |
| 250 R visitLabelElement(LabelElement element) { | 260 R visitLabelElement(LabelElement element) { |
| 251 element.visitChildren(this); | 261 element.visitChildren(this); |
| 252 return null; | 262 return null; |
| 253 } | 263 } |
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| 335 R visitFieldFormalParameterElement(FieldFormalParameterElement element) => | 345 R visitFieldFormalParameterElement(FieldFormalParameterElement element) => |
| 336 null; | 346 null; |
| 337 | 347 |
| 338 @override | 348 @override |
| 339 R visitFunctionElement(FunctionElement element) => null; | 349 R visitFunctionElement(FunctionElement element) => null; |
| 340 | 350 |
| 341 @override | 351 @override |
| 342 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => null; | 352 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => null; |
| 343 | 353 |
| 344 @override | 354 @override |
| 355 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => null; |
| 356 |
| 357 @override |
| 345 R visitImportElement(ImportElement element) => null; | 358 R visitImportElement(ImportElement element) => null; |
| 346 | 359 |
| 347 @override | 360 @override |
| 348 R visitLabelElement(LabelElement element) => null; | 361 R visitLabelElement(LabelElement element) => null; |
| 349 | 362 |
| 350 @override | 363 @override |
| 351 R visitLibraryElement(LibraryElement element) => null; | 364 R visitLibraryElement(LibraryElement element) => null; |
| 352 | 365 |
| 353 @override | 366 @override |
| 354 R visitLocalVariableElement(LocalVariableElement element) => null; | 367 R visitLocalVariableElement(LocalVariableElement element) => null; |
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| 406 _throw(element); | 419 _throw(element); |
| 407 | 420 |
| 408 @override | 421 @override |
| 409 R visitFunctionElement(FunctionElement element) => _throw(element); | 422 R visitFunctionElement(FunctionElement element) => _throw(element); |
| 410 | 423 |
| 411 @override | 424 @override |
| 412 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => | 425 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => |
| 413 _throw(element); | 426 _throw(element); |
| 414 | 427 |
| 415 @override | 428 @override |
| 429 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => |
| 430 _throw(element); |
| 431 |
| 432 @override |
| 416 R visitImportElement(ImportElement element) => _throw(element); | 433 R visitImportElement(ImportElement element) => _throw(element); |
| 417 | 434 |
| 418 @override | 435 @override |
| 419 R visitLabelElement(LabelElement element) => _throw(element); | 436 R visitLabelElement(LabelElement element) => _throw(element); |
| 420 | 437 |
| 421 @override | 438 @override |
| 422 R visitLibraryElement(LibraryElement element) => _throw(element); | 439 R visitLibraryElement(LibraryElement element) => _throw(element); |
| 423 | 440 |
| 424 @override | 441 @override |
| 425 R visitLocalVariableElement(LocalVariableElement element) => _throw(element); | 442 R visitLocalVariableElement(LocalVariableElement element) => _throw(element); |
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| 446 _throw(element); | 463 _throw(element); |
| 447 | 464 |
| 448 @override | 465 @override |
| 449 R visitTypeParameterElement(TypeParameterElement element) => _throw(element); | 466 R visitTypeParameterElement(TypeParameterElement element) => _throw(element); |
| 450 | 467 |
| 451 R _throw(Element element) { | 468 R _throw(Element element) { |
| 452 throw new Exception( | 469 throw new Exception( |
| 453 'Missing implementation of visit${element.runtimeType}'); | 470 'Missing implementation of visit${element.runtimeType}'); |
| 454 } | 471 } |
| 455 } | 472 } |
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