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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 js_backend; | 5 part of js_backend; |
6 | 6 |
7 /** | 7 /** |
8 * A function element that represents a closure call. The signature is copied | 8 * A function element that represents a closure call. The signature is copied |
9 * from the given element. | 9 * from the given element. |
10 */ | 10 */ |
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1602 | 1602 |
1603 // Is it possible the primary function was inlined but the bailout was not? | 1603 // Is it possible the primary function was inlined but the bailout was not? |
1604 for (Element element in | 1604 for (Element element in |
1605 Elements.sortedByPosition(pendingElementsWithBailouts)) { | 1605 Elements.sortedByPosition(pendingElementsWithBailouts)) { |
1606 CodeBuffer buffer = bufferForElement(element, eagerBuffer); | 1606 CodeBuffer buffer = bufferForElement(element, eagerBuffer); |
1607 jsAst.Expression bailoutCode = backend.generatedBailoutCode[element]; | 1607 jsAst.Expression bailoutCode = backend.generatedBailoutCode[element]; |
1608 emitStaticFunction(buffer, namer.getBailoutName(element), bailoutCode); | 1608 emitStaticFunction(buffer, namer.getBailoutName(element), bailoutCode); |
1609 } | 1609 } |
1610 } | 1610 } |
1611 | 1611 |
1612 void emitStaticFunctionGetters(CodeBuffer buffer) { | 1612 void emitStaticFunctionGetters(CodeBuffer eagerBuffer) { |
1613 Set<FunctionElement> functionsNeedingGetter = | 1613 Set<FunctionElement> functionsNeedingGetter = |
1614 compiler.codegenWorld.staticFunctionsNeedingGetter; | 1614 compiler.codegenWorld.staticFunctionsNeedingGetter; |
1615 for (FunctionElement element in | 1615 for (FunctionElement element in |
1616 Elements.sortedByPosition(functionsNeedingGetter)) { | 1616 Elements.sortedByPosition(functionsNeedingGetter)) { |
1617 // TODO(ahe): Defer loading of these getters. | 1617 CodeBuffer buffer = bufferForElement(element, eagerBuffer); |
1618 | 1618 |
1619 // The static function does not have the correct name. Since | 1619 // The static function does not have the correct name. Since |
1620 // [addParameterStubs] use the name to create its stubs we simply | 1620 // [addParameterStubs] use the name to create its stubs we simply |
1621 // create a fake element with the correct name. | 1621 // create a fake element with the correct name. |
1622 // Note: the callElement will not have any enclosingElement. | 1622 // Note: the callElement will not have any enclosingElement. |
1623 FunctionElement callElement = | 1623 FunctionElement callElement = |
1624 new ClosureInvocationElement(namer.closureInvocationSelectorName, | 1624 new ClosureInvocationElement(namer.closureInvocationSelectorName, |
1625 element); | 1625 element); |
1626 String staticName = namer.getName(element); | 1626 String staticName = namer.getName(element); |
1627 String invocationName = namer.instanceMethodName(callElement); | 1627 String invocationName = namer.instanceMethodName(callElement); |
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2659 | 2659 |
2660 deferredBuffer.add('$finishClassesName(\$\$,' | 2660 deferredBuffer.add('$finishClassesName(\$\$,' |
2661 '$_${namer.CURRENT_ISOLATE},' | 2661 '$_${namer.CURRENT_ISOLATE},' |
2662 '$_$isolatePropertiesName)$N'); | 2662 '$_$isolatePropertiesName)$N'); |
2663 // Reset the map. | 2663 // Reset the map. |
2664 deferredBuffer.add("\$\$$_=${_}null$N$n"); | 2664 deferredBuffer.add("\$\$$_=${_}null$N$n"); |
2665 } | 2665 } |
2666 | 2666 |
2667 emitClosureClassIfNeeded(mainBuffer); | 2667 emitClosureClassIfNeeded(mainBuffer); |
2668 | 2668 |
| 2669 addComment('Bound closures', mainBuffer); |
2669 // Now that we have emitted all classes, we know all the bound | 2670 // Now that we have emitted all classes, we know all the bound |
2670 // closures that will be needed. | 2671 // closures that will be needed. |
2671 for (jsAst.Node node in boundClosures) { | 2672 for (jsAst.Node node in boundClosures) { |
2672 // TODO(ahe): Some of these can be deferred. | 2673 // TODO(ahe): Some of these can be deferred. |
2673 mainBuffer.add(jsAst.prettyPrint(node, compiler)); | 2674 mainBuffer.add(jsAst.prettyPrint(node, compiler)); |
2674 mainBuffer.add("$N$n"); | 2675 mainBuffer.add("$N$n"); |
2675 } | 2676 } |
2676 | 2677 |
2677 emitFinishClassesInvocationIfNecessary(mainBuffer); | 2678 emitFinishClassesInvocationIfNecessary(mainBuffer); |
2678 | 2679 |
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2783 """; | 2784 """; |
2784 const String HOOKS_API_USAGE = """ | 2785 const String HOOKS_API_USAGE = """ |
2785 // The code supports the following hooks: | 2786 // The code supports the following hooks: |
2786 // dartPrint(message) - if this function is defined it is called | 2787 // dartPrint(message) - if this function is defined it is called |
2787 // instead of the Dart [print] method. | 2788 // instead of the Dart [print] method. |
2788 // dartMainRunner(main) - if this function is defined, the Dart [main] | 2789 // dartMainRunner(main) - if this function is defined, the Dart [main] |
2789 // method will not be invoked directly. | 2790 // method will not be invoked directly. |
2790 // Instead, a closure that will invoke [main] is | 2791 // Instead, a closure that will invoke [main] is |
2791 // passed to [dartMainRunner]. | 2792 // passed to [dartMainRunner]. |
2792 """; | 2793 """; |
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