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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 ssa; | 5 part of ssa; |
| 6 | 6 |
| 7 class SsaCodeGeneratorTask extends CompilerTask { | 7 class SsaCodeGeneratorTask extends CompilerTask { |
| 8 | 8 |
| 9 final JavaScriptBackend backend; | 9 final JavaScriptBackend backend; |
| 10 | 10 |
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| 1662 js.PropertyAccess access = | 1662 js.PropertyAccess access = |
| 1663 new js.PropertyAccess.field(pop(), fieldName); | 1663 new js.PropertyAccess.field(pop(), fieldName); |
| 1664 if (node.isSetter) { | 1664 if (node.isSetter) { |
| 1665 use(node.value); | 1665 use(node.value); |
| 1666 push(new js.Assignment(access, pop()), node); | 1666 push(new js.Assignment(access, pop()), node); |
| 1667 } else { | 1667 } else { |
| 1668 push(access, node); | 1668 push(access, node); |
| 1669 } | 1669 } |
| 1670 } else { | 1670 } else { |
| 1671 Selector selector = node.selector; | 1671 Selector selector = node.selector; |
| 1672 String methodName; | 1672 |
| 1673 if (selector.isGetter) { | 1673 if (!backend.registerAliasedSuperMember(superMethod, selector)) { |
| 1674 // If the selector we need to register a typed getter to the | 1674 String methodName; |
| 1675 // [world]. The emitter needs to know if it needs to emit a | 1675 if (selector.isGetter) { |
| 1676 // bound closure for a method. | 1676 // If the selector we need to register a typed getter to the |
| 1677 TypeMask receiverType = | 1677 // [world]. The emitter needs to know if it needs to emit a |
| 1678 new TypeMask.nonNullExact(superClass, compiler.world); | 1678 // bound closure for a method. |
| 1679 selector = new TypedSelector(receiverType, selector, compiler.world); | 1679 TypeMask receiverType = |
| 1680 // TODO(floitsch): we know the target. We shouldn't register a | 1680 new TypeMask.nonNullExact(superClass, compiler.world); |
| 1681 // dynamic getter. | 1681 selector = new TypedSelector(receiverType, selector, compiler.world); |
| 1682 registry.registerDynamicGetter(selector); | 1682 // TODO(floitsch): we know the target. We shouldn't register a |
| 1683 registry.registerGetterForSuperMethod(node.element); | 1683 // dynamic getter. |
| 1684 methodName = backend.namer.invocationName(selector); | 1684 registry.registerDynamicGetter(selector); |
| 1685 push( | 1685 registry.registerGetterForSuperMethod(node.element); |
| 1686 js.js('#.prototype.#.call(#)', [ | 1686 methodName = backend.namer.invocationName(selector); |
| 1687 backend.namer.elementAccess(superClass), | 1687 } else { |
| 1688 methodName, visitArguments(node.inputs, start: 0)]), | 1688 assert(invariant(node, compiler.hasIncrementalSupport)); |
| 1689 node); | 1689 methodName = backend.namer.getNameOfInstanceMember(superMethod); |
| 1690 } |
| 1691 push(js.js('#.prototype.#.call(#)', |
| 1692 [backend.namer.elementAccess(superClass), |
| 1693 methodName, visitArguments(node.inputs, start: 0)]), |
| 1694 node); |
| 1690 } else { | 1695 } else { |
| 1691 methodName = | |
| 1692 backend.namer.getNameOfAliasedSuperMember(superMethod); | |
| 1693 backend.registerAliasedSuperMember(superMethod); | |
| 1694 use(node.receiver); | 1696 use(node.receiver); |
| 1695 push( | 1697 push( |
| 1696 js.js('#.#(#)', [ | 1698 js.js('#.#(#)', [ |
| 1697 pop(), methodName, | 1699 pop(), backend.namer.getNameOfAliasedSuperMember(superMethod), |
| 1698 visitArguments(node.inputs, start: 1)]), // Skip receiver argument. | 1700 visitArguments(node.inputs, start: 1)]), // Skip receiver argument. |
| 1699 node); | 1701 node); |
| 1700 } | 1702 } |
| 1701 | |
| 1702 } | 1703 } |
| 1703 } | 1704 } |
| 1704 | 1705 |
| 1705 visitFieldGet(HFieldGet node) { | 1706 visitFieldGet(HFieldGet node) { |
| 1706 use(node.receiver); | 1707 use(node.receiver); |
| 1707 Element element = node.element; | 1708 Element element = node.element; |
| 1708 if (node.isNullCheck) { | 1709 if (node.isNullCheck) { |
| 1709 // We access a JavaScript member we know all objects besides | 1710 // We access a JavaScript member we know all objects besides |
| 1710 // null and undefined have: V8 does not like accessing a member | 1711 // null and undefined have: V8 does not like accessing a member |
| 1711 // that does not exist. | 1712 // that does not exist. |
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| 2723 js.PropertyAccess accessHelper(String name) { | 2724 js.PropertyAccess accessHelper(String name) { |
| 2724 Element helper = backend.findHelper(name); | 2725 Element helper = backend.findHelper(name); |
| 2725 if (helper == null) { | 2726 if (helper == null) { |
| 2726 // For mocked-up tests. | 2727 // For mocked-up tests. |
| 2727 return js.js('(void 0).$name'); | 2728 return js.js('(void 0).$name'); |
| 2728 } | 2729 } |
| 2729 registry.registerStaticUse(helper); | 2730 registry.registerStaticUse(helper); |
| 2730 return backend.namer.elementAccess(helper); | 2731 return backend.namer.elementAccess(helper); |
| 2731 } | 2732 } |
| 2732 } | 2733 } |
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