sdk/lib/_internal/compiler/implementation/ssa/builder.dart - Issue 11280087: Move the iterator interceptor to the new interceptor scheme.

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Issue 11280087: Move the iterator interceptor to the new interceptor scheme. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 8 years, 1 month ago

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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 Interceptors {	7 class Interceptors {

8 Compiler compiler;	8 Compiler compiler;

9 Interceptors(Compiler this.compiler);	9 Interceptors(Compiler this.compiler);

10	10

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3850 // E <declaredIdentifier> = $iter.next();	3850 // E <declaredIdentifier> = $iter.next();

3851 // <body>	3851 // <body>

3852 // }	3852 // }

3853	3853

3854 // The iterator is shared between initializer, condition and body.	3854 // The iterator is shared between initializer, condition and body.

3855 HInstruction iterator;	3855 HInstruction iterator;

3856 void buildInitializer() {	3856 void buildInitializer() {

3857 SourceString iteratorName = const SourceString("iterator");	3857 SourceString iteratorName = const SourceString("iterator");

3858 Selector selector =	3858 Selector selector =

3859 new Selector.call(iteratorName, work.element.getLibrary(), 0);	3859 new Selector.call(iteratorName, work.element.getLibrary(), 0);

3860 Element interceptor = interceptors.getStaticInterceptor(selector);	3860 Element element = interceptors.getStaticInterceptor(selector);

3861 assert(interceptor != null);

3862 visit(node.expression);	3861 visit(node.expression);

3863 pushInvokeHelper1(interceptor, pop());	3862 HInstruction receiver = pop();

3864 iterator = pop();	3863 pushInvokeHelper1(element, receiver);

	3864 HInstruction interceptor = pop();

	3865 iterator = new HInvokeDynamicMethod(

	3866 selector, <HInstruction>[interceptor, receiver]);

	3867 add(iterator);

3865 }	3868 }

3866 HInstruction buildCondition() {	3869 HInstruction buildCondition() {

3867 SourceString name = const SourceString('hasNext');	3870 SourceString name = const SourceString('hasNext');

3868 Selector selector = new Selector.getter(name, work.element.getLibrary());	3871 Selector selector = new Selector.getter(name, work.element.getLibrary());

3869 if (interceptors.getStaticInterceptor(selector) != null) {	3872 if (interceptors.getStaticInterceptor(selector) != null) {

3870 compiler.internalError("hasNext getter must not be intercepted",	3873 compiler.internalError("hasNext getter must not be intercepted",

3871 node: node);	3874 node: node);

3872 }	3875 }

3873 bool hasGetter = compiler.world.hasAnyUserDefinedGetter(selector);	3876 bool hasGetter = compiler.world.hasAnyUserDefinedGetter(selector);

3874 push(new HInvokeDynamicGetter(selector, null, iterator, !hasGetter));	3877 push(new HInvokeDynamicGetter(selector, null, iterator, !hasGetter));

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4942 new HSubGraphBlockInformation(elseBranch.graph));	4945 new HSubGraphBlockInformation(elseBranch.graph));

4943	4946

4944 HBasicBlock conditionStartBlock = conditionBranch.block;	4947 HBasicBlock conditionStartBlock = conditionBranch.block;

4945 conditionStartBlock.setBlockFlow(info, joinBlock);	4948 conditionStartBlock.setBlockFlow(info, joinBlock);

4946 SubGraph conditionGraph = conditionBranch.graph;	4949 SubGraph conditionGraph = conditionBranch.graph;

4947 HIf branch = conditionGraph.end.last;	4950 HIf branch = conditionGraph.end.last;

4948 assert(branch is HIf);	4951 assert(branch is HIf);

4949 branch.blockInformation = conditionStartBlock.blockFlow;	4952 branch.blockInformation = conditionStartBlock.blockFlow;

4950 }	4953 }

4951 }	4954 }

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