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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, 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 library kernel.clone; | 4 library kernel.clone; |
| 5 | 5 |
| 6 import 'ast.dart'; | 6 import 'ast.dart'; |
| 7 import 'type_algebra.dart'; | 7 import 'type_algebra.dart'; |
| 8 | 8 |
| 9 /// Visitor that return a clone of a tree, maintaining references to cloned | 9 /// Visitor that return a clone of a tree, maintaining references to cloned |
| 10 /// objects. | 10 /// objects. |
| (...skipping 323 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 334 return new FunctionDeclaration(newVariable, clone(node.function)); | 334 return new FunctionDeclaration(newVariable, clone(node.function)); |
| 335 } | 335 } |
| 336 | 336 |
| 337 // Members | 337 // Members |
| 338 visitConstructor(Constructor node) { | 338 visitConstructor(Constructor node) { |
| 339 return new Constructor(clone(node.function), | 339 return new Constructor(clone(node.function), |
| 340 name: node.name, | 340 name: node.name, |
| 341 isConst: node.isConst, | 341 isConst: node.isConst, |
| 342 isExternal: node.isExternal, | 342 isExternal: node.isExternal, |
| 343 initializers: node.initializers.map(clone).toList(), | 343 initializers: node.initializers.map(clone).toList(), |
| 344 transformerFlags: node.transformerFlags); | 344 transformerFlags: node.transformerFlags) |
| 345 ..fileEndOffset = node.fileEndOffset; |
| 345 } | 346 } |
| 346 | 347 |
| 347 visitProcedure(Procedure node) { | 348 visitProcedure(Procedure node) { |
| 348 return new Procedure(node.name, node.kind, clone(node.function), | 349 return new Procedure(node.name, node.kind, clone(node.function), |
| 349 isAbstract: node.isAbstract, | 350 isAbstract: node.isAbstract, |
| 350 isStatic: node.isStatic, | 351 isStatic: node.isStatic, |
| 351 isExternal: node.isExternal, | 352 isExternal: node.isExternal, |
| 352 isConst: node.isConst, | 353 isConst: node.isConst, |
| 353 transformerFlags: node.transformerFlags, | 354 transformerFlags: node.transformerFlags, |
| 354 fileUri: node.fileUri); | 355 fileUri: node.fileUri)..fileEndOffset = node.fileEndOffset; |
| 355 } | 356 } |
| 356 | 357 |
| 357 visitField(Field node) { | 358 visitField(Field node) { |
| 358 return new Field(node.name, | 359 return new Field(node.name, |
| 359 type: visitType(node.type), | 360 type: visitType(node.type), |
| 360 initializer: cloneOptional(node.initializer), | 361 initializer: cloneOptional(node.initializer), |
| 361 isFinal: node.isFinal, | 362 isFinal: node.isFinal, |
| 362 isConst: node.isConst, | 363 isConst: node.isConst, |
| 363 isStatic: node.isStatic, | 364 isStatic: node.isStatic, |
| 364 hasImplicitGetter: node.hasImplicitGetter, | 365 hasImplicitGetter: node.hasImplicitGetter, |
| 365 hasImplicitSetter: node.hasImplicitSetter, | 366 hasImplicitSetter: node.hasImplicitSetter, |
| 366 transformerFlags: node.transformerFlags, | 367 transformerFlags: node.transformerFlags, |
| 367 fileUri: node.fileUri); | 368 fileUri: node.fileUri)..fileEndOffset = node.fileEndOffset; |
| 368 } | 369 } |
| 369 | 370 |
| 370 visitTypeParameter(TypeParameter node) { | 371 visitTypeParameter(TypeParameter node) { |
| 371 var newNode = new TypeParameter(node.name); | 372 var newNode = new TypeParameter(node.name); |
| 372 typeSubstitution[node] = new TypeParameterType(newNode); | 373 typeSubstitution[node] = new TypeParameterType(newNode); |
| 373 newNode.bound = visitType(node.bound); | 374 newNode.bound = visitType(node.bound); |
| 374 return newNode; | 375 return newNode; |
| 375 } | 376 } |
| 376 | 377 |
| 377 TreeNode cloneFunctionNodeBody(FunctionNode node) => cloneOptional(node.body); | 378 TreeNode cloneFunctionNodeBody(FunctionNode node) => cloneOptional(node.body); |
| 378 | 379 |
| 379 visitFunctionNode(FunctionNode node) { | 380 visitFunctionNode(FunctionNode node) { |
| 380 var typeParameters = node.typeParameters.map(clone).toList(); | 381 var typeParameters = node.typeParameters.map(clone).toList(); |
| 381 var positional = node.positionalParameters.map(clone).toList(); | 382 var positional = node.positionalParameters.map(clone).toList(); |
| 382 var named = node.namedParameters.map(clone).toList(); | 383 var named = node.namedParameters.map(clone).toList(); |
| 383 return new FunctionNode(cloneFunctionNodeBody(node), | 384 return new FunctionNode(cloneFunctionNodeBody(node), |
| 384 typeParameters: typeParameters, | 385 typeParameters: typeParameters, |
| 385 positionalParameters: positional, | 386 positionalParameters: positional, |
| 386 namedParameters: named, | 387 namedParameters: named, |
| 387 requiredParameterCount: node.requiredParameterCount, | 388 requiredParameterCount: node.requiredParameterCount, |
| 388 returnType: visitType(node.returnType), | 389 returnType: visitType(node.returnType), |
| 389 asyncMarker: node.asyncMarker); | 390 asyncMarker: node.asyncMarker)..fileEndOffset = node.fileEndOffset; |
| 390 } | 391 } |
| 391 | 392 |
| 392 visitArguments(Arguments node) { | 393 visitArguments(Arguments node) { |
| 393 return new Arguments(node.positional.map(clone).toList(), | 394 return new Arguments(node.positional.map(clone).toList(), |
| 394 types: node.types.map(visitType).toList(), | 395 types: node.types.map(visitType).toList(), |
| 395 named: node.named.map(clone).toList()); | 396 named: node.named.map(clone).toList()); |
| 396 } | 397 } |
| 397 | 398 |
| 398 visitNamedExpression(NamedExpression node) { | 399 visitNamedExpression(NamedExpression node) { |
| 399 return new NamedExpression(node.name, clone(node.value)); | 400 return new NamedExpression(node.name, clone(node.value)); |
| 400 } | 401 } |
| 401 } | 402 } |
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