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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 |
| (...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 122 visitElement(element); | 122 visitElement(element); |
| 123 | 123 |
| 124 @override | 124 @override |
| 125 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => | 125 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => |
| 126 visitElement(element); | 126 visitElement(element); |
| 127 | 127 |
| 128 @override | 128 @override |
| 129 R visitImportElement(ImportElement element) => visitElement(element); | 129 R visitImportElement(ImportElement element) => visitElement(element); |
| 130 | 130 |
| 131 @override | 131 @override |
| 132 R visitLabelElement(LabelElement element) => visitElement(element); | |
| 133 | |
| 134 @override | |
| 135 R visitLibraryElement(LibraryElement element) => visitElement(element); | 132 R visitLibraryElement(LibraryElement element) => visitElement(element); |
| 136 | 133 |
| 137 R visitLocalElement(LocalElement element) { | 134 R visitLocalElement(LocalElement element) { |
| 138 if (element is LocalVariableElement) { | 135 if (element is LocalVariableElement) { |
| 139 return visitVariableElement(element); | 136 return visitVariableElement(element); |
| 140 } else if (element is ParameterElement) { | 137 } else if (element is ParameterElement) { |
| 141 return visitVariableElement(element); | 138 return visitVariableElement(element); |
| 142 } else if (element is FunctionElement) { | 139 } else if (element is FunctionElement) { |
| 143 return visitExecutableElement(element); | 140 return visitExecutableElement(element); |
| 144 } | 141 } |
| 145 return null; | 142 return null; |
| 146 } | 143 } |
| 147 | 144 |
| 148 @override | 145 @override |
| 149 R visitLocalVariableElement(LocalVariableElement element) => | |
| 150 visitLocalElement(element); | |
| 151 | |
| 152 @override | |
| 153 R visitMethodElement(MethodElement element) => | 146 R visitMethodElement(MethodElement element) => |
| 154 visitExecutableElement(element); | 147 visitExecutableElement(element); |
| 155 | 148 |
| 156 @override | 149 @override |
| 157 R visitMultiplyDefinedElement(MultiplyDefinedElement element) => | 150 R visitMultiplyDefinedElement(MultiplyDefinedElement element) => |
| 158 visitElement(element); | 151 visitElement(element); |
| 159 | 152 |
| 160 @override | 153 @override |
| 161 R visitParameterElement(ParameterElement element) => | 154 R visitParameterElement(ParameterElement element) => |
| 162 visitLocalElement(element); | 155 visitLocalElement(element); |
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| 250 return null; | 243 return null; |
| 251 } | 244 } |
| 252 | 245 |
| 253 @override | 246 @override |
| 254 R visitImportElement(ImportElement element) { | 247 R visitImportElement(ImportElement element) { |
| 255 element.visitChildren(this); | 248 element.visitChildren(this); |
| 256 return null; | 249 return null; |
| 257 } | 250 } |
| 258 | 251 |
| 259 @override | 252 @override |
| 260 R visitLabelElement(LabelElement element) { | |
| 261 element.visitChildren(this); | |
| 262 return null; | |
| 263 } | |
| 264 | |
| 265 @override | |
| 266 R visitLibraryElement(LibraryElement element) { | 253 R visitLibraryElement(LibraryElement element) { |
| 267 element.visitChildren(this); | 254 element.visitChildren(this); |
| 268 return null; | 255 return null; |
| 269 } | 256 } |
| 270 | 257 |
| 271 @override | 258 @override |
| 272 R visitLocalVariableElement(LocalVariableElement element) { | |
| 273 element.visitChildren(this); | |
| 274 return null; | |
| 275 } | |
| 276 | |
| 277 @override | |
| 278 R visitMethodElement(MethodElement element) { | 259 R visitMethodElement(MethodElement element) { |
| 279 element.visitChildren(this); | 260 element.visitChildren(this); |
| 280 return null; | 261 return null; |
| 281 } | 262 } |
| 282 | 263 |
| 283 @override | 264 @override |
| 284 R visitMultiplyDefinedElement(MultiplyDefinedElement element) { | 265 R visitMultiplyDefinedElement(MultiplyDefinedElement element) { |
| 285 element.visitChildren(this); | 266 element.visitChildren(this); |
| 286 return null; | 267 return null; |
| 287 } | 268 } |
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| 351 @override | 332 @override |
| 352 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => null; | 333 R visitFunctionTypeAliasElement(FunctionTypeAliasElement element) => null; |
| 353 | 334 |
| 354 @override | 335 @override |
| 355 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => null; | 336 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => null; |
| 356 | 337 |
| 357 @override | 338 @override |
| 358 R visitImportElement(ImportElement element) => null; | 339 R visitImportElement(ImportElement element) => null; |
| 359 | 340 |
| 360 @override | 341 @override |
| 361 R visitLabelElement(LabelElement element) => null; | |
| 362 | |
| 363 @override | |
| 364 R visitLibraryElement(LibraryElement element) => null; | 342 R visitLibraryElement(LibraryElement element) => null; |
| 365 | 343 |
| 366 @override | 344 @override |
| 367 R visitLocalVariableElement(LocalVariableElement element) => null; | |
| 368 | |
| 369 @override | |
| 370 R visitMethodElement(MethodElement element) => null; | 345 R visitMethodElement(MethodElement element) => null; |
| 371 | 346 |
| 372 @override | 347 @override |
| 373 R visitMultiplyDefinedElement(MultiplyDefinedElement element) => null; | 348 R visitMultiplyDefinedElement(MultiplyDefinedElement element) => null; |
| 374 | 349 |
| 375 @override | 350 @override |
| 376 R visitParameterElement(ParameterElement element) => null; | 351 R visitParameterElement(ParameterElement element) => null; |
| 377 | 352 |
| 378 @override | 353 @override |
| 379 R visitPrefixElement(PrefixElement element) => null; | 354 R visitPrefixElement(PrefixElement element) => null; |
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| 426 _throw(element); | 401 _throw(element); |
| 427 | 402 |
| 428 @override | 403 @override |
| 429 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => | 404 R visitGenericFunctionTypeElement(GenericFunctionTypeElement element) => |
| 430 _throw(element); | 405 _throw(element); |
| 431 | 406 |
| 432 @override | 407 @override |
| 433 R visitImportElement(ImportElement element) => _throw(element); | 408 R visitImportElement(ImportElement element) => _throw(element); |
| 434 | 409 |
| 435 @override | 410 @override |
| 436 R visitLabelElement(LabelElement element) => _throw(element); | |
| 437 | |
| 438 @override | |
| 439 R visitLibraryElement(LibraryElement element) => _throw(element); | 411 R visitLibraryElement(LibraryElement element) => _throw(element); |
| 440 | 412 |
| 441 @override | 413 @override |
| 442 R visitLocalVariableElement(LocalVariableElement element) => _throw(element); | |
| 443 | |
| 444 @override | |
| 445 R visitMethodElement(MethodElement element) => _throw(element); | 414 R visitMethodElement(MethodElement element) => _throw(element); |
| 446 | 415 |
| 447 @override | 416 @override |
| 448 R visitMultiplyDefinedElement(MultiplyDefinedElement element) => | 417 R visitMultiplyDefinedElement(MultiplyDefinedElement element) => |
| 449 _throw(element); | 418 _throw(element); |
| 450 | 419 |
| 451 @override | 420 @override |
| 452 R visitParameterElement(ParameterElement element) => _throw(element); | 421 R visitParameterElement(ParameterElement element) => _throw(element); |
| 453 | 422 |
| 454 @override | 423 @override |
| 455 R visitPrefixElement(PrefixElement element) => _throw(element); | 424 R visitPrefixElement(PrefixElement element) => _throw(element); |
| 456 | 425 |
| 457 @override | 426 @override |
| 458 R visitPropertyAccessorElement(PropertyAccessorElement element) => | 427 R visitPropertyAccessorElement(PropertyAccessorElement element) => |
| 459 _throw(element); | 428 _throw(element); |
| 460 | 429 |
| 461 @override | 430 @override |
| 462 R visitTopLevelVariableElement(TopLevelVariableElement element) => | 431 R visitTopLevelVariableElement(TopLevelVariableElement element) => |
| 463 _throw(element); | 432 _throw(element); |
| 464 | 433 |
| 465 @override | 434 @override |
| 466 R visitTypeParameterElement(TypeParameterElement element) => _throw(element); | 435 R visitTypeParameterElement(TypeParameterElement element) => _throw(element); |
| 467 | 436 |
| 468 R _throw(Element element) { | 437 R _throw(Element element) { |
| 469 throw new Exception( | 438 throw new Exception( |
| 470 'Missing implementation of visit${element.runtimeType}'); | 439 'Missing implementation of visit${element.runtimeType}'); |
| 471 } | 440 } |
| 472 } | 441 } |
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