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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, 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 dart2js; | 5 part of dart2js; |
| 6 | 6 |
| 7 abstract class ResolvedVisitor<R> extends Visitor<R> { | 7 abstract class ResolvedVisitor<R> extends Visitor<R> { |
| 8 final Compiler compiler; | 8 final Compiler compiler; |
| 9 TreeElements elements; | 9 TreeElements elements; |
| 10 | 10 |
| 11 ResolvedVisitor(this.elements, this.compiler); | 11 ResolvedVisitor(this.elements, this.compiler); |
| 12 | 12 |
| 13 R visitSend(Send node) { | 13 R visitSend(Send node) { |
| 14 Element element = elements[node]; | 14 Element element = elements[node]; |
| 15 if (node.isSuperCall) { | 15 if (node.isSuperCall) { |
| 16 return visitSuperSend(node); | 16 return visitSuperSend(node); |
| 17 } else if (node.isOperator) { | 17 } else if (node.isOperator) { |
| 18 return visitOperatorSend(node); | 18 return visitOperatorSend(node); |
| 19 } else if (node.isPropertyAccess) { | 19 } else if (node.isPropertyAccess) { |
| 20 if (!Elements.isUnresolved(element) && element.impliesType()) { | 20 if (!Elements.isUnresolved(element) && element.impliesType) { |
| 21 // A reference to a class literal, typedef or type variable. | 21 // A reference to a class literal, typedef or type variable. |
| 22 return visitTypeReferenceSend(node); | 22 return visitTypeReferenceSend(node); |
| 23 } else { | 23 } else { |
| 24 return visitGetterSend(node); | 24 return visitGetterSend(node); |
| 25 } | 25 } |
| 26 } else if (element != null && Initializers.isConstructorRedirect(node)) { | 26 } else if (element != null && Initializers.isConstructorRedirect(node)) { |
| 27 return visitStaticSend(node); | 27 return visitStaticSend(node); |
| 28 } else if (Elements.isClosureSend(node, element)) { | 28 } else if (Elements.isClosureSend(node, element)) { |
| 29 return visitClosureSend(node); | 29 return visitClosureSend(node); |
| 30 } else if (element == compiler.assertMethod) { | 30 } else if (element == compiler.assertMethod) { |
| 31 assert(element != null); | 31 assert(element != null); |
| 32 return visitAssert(node); | 32 return visitAssert(node); |
| 33 } else { | 33 } else { |
| 34 if (Elements.isUnresolved(element)) { | 34 if (Elements.isUnresolved(element)) { |
| 35 if (element == null) { | 35 if (element == null) { |
| 36 // Example: f() with 'f' unbound. | 36 // Example: f() with 'f' unbound. |
| 37 // This can only happen inside an instance method. | 37 // This can only happen inside an instance method. |
| 38 return visitDynamicSend(node); | 38 return visitDynamicSend(node); |
| 39 } else { | 39 } else { |
| 40 return visitStaticSend(node); | 40 return visitStaticSend(node); |
| 41 } | 41 } |
| 42 } else if (element.impliesType()) { | 42 } else if (element.impliesType) { |
| 43 // A reference to a class literal, typedef or type variable. | 43 // A reference to a class literal, typedef or type variable. |
| 44 return visitTypeReferenceSend(node); | 44 return visitTypeReferenceSend(node); |
| 45 } else if (element.isInstanceMember()) { | 45 } else if (element.isInstanceMember) { |
| 46 // Example: f() with 'f' bound to instance method. | 46 // Example: f() with 'f' bound to instance method. |
| 47 return visitDynamicSend(node); | 47 return visitDynamicSend(node); |
| 48 } else if (!element.isInstanceMember()) { | 48 } else if (!element.isInstanceMember) { |
| 49 // Example: A.f() or f() with 'f' bound to a static function. | 49 // Example: A.f() or f() with 'f' bound to a static function. |
| 50 // Also includes new A() or new A.named() which is treated like a | 50 // Also includes new A() or new A.named() which is treated like a |
| 51 // static call to a factory. | 51 // static call to a factory. |
| 52 return visitStaticSend(node); | 52 return visitStaticSend(node); |
| 53 } else { | 53 } else { |
| 54 internalError("Cannot generate code for send", node: node); | 54 internalError("Cannot generate code for send", node: node); |
| 55 return null; | 55 return null; |
| 56 } | 56 } |
| 57 } | 57 } |
| 58 } | 58 } |
| 59 | 59 |
| 60 R visitSuperSend(Send node); | 60 R visitSuperSend(Send node); |
| 61 R visitOperatorSend(Send node); | 61 R visitOperatorSend(Send node); |
| 62 R visitGetterSend(Send node); | 62 R visitGetterSend(Send node); |
| 63 R visitClosureSend(Send node); | 63 R visitClosureSend(Send node); |
| 64 R visitDynamicSend(Send node); | 64 R visitDynamicSend(Send node); |
| 65 R visitStaticSend(Send node); | 65 R visitStaticSend(Send node); |
| 66 R visitTypeReferenceSend(Send node); | 66 R visitTypeReferenceSend(Send node); |
| 67 R visitAssert(Send node); | 67 R visitAssert(Send node); |
| 68 | 68 |
| 69 void internalError(String reason, {Node node}); | 69 void internalError(String reason, {Node node}); |
| 70 | 70 |
| 71 R visitNode(Node node) { | 71 R visitNode(Node node) { |
| 72 internalError("Unhandled node", node: node); | 72 internalError("Unhandled node", node: node); |
| 73 return null; | 73 return null; |
| 74 } | 74 } |
| 75 } | 75 } |
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