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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 class CheckedModeHelper { | 7 class CheckedModeHelper { |
| 8 final String name; | 8 final String name; |
| 9 | 9 |
| 10 const CheckedModeHelper(String this.name); | 10 const CheckedModeHelper(String this.name); |
| 11 | 11 |
| 12 Element getElement(Compiler compiler) { | 12 Element getElement(Compiler compiler) { |
| 13 JavaScriptBackend backend = compiler.backend; | 13 JavaScriptBackend backend = compiler.backend; |
| 14 return backend.findHelper(name); | 14 return backend.findHelper(name); |
| 15 } | 15 } |
| 16 | 16 |
| 17 jsAst.Expression generateCall(SsaCodeGenerator codegen, | 17 jsAst.Expression generateCall(SsaCodeGenerator codegen, |
| 18 HTypeConversion node) { | 18 HTypeConversion node) { |
| 19 Element helperElement = getElement(codegen.compiler); | 19 Element helperElement = getElement(codegen.compiler); |
| 20 codegen.registry.registerStaticUse(helperElement); | 20 codegen.registry.registerStaticUse(helperElement); |
| 21 List<jsAst.Expression> arguments = <jsAst.Expression>[]; | 21 List<jsAst.Expression> arguments = <jsAst.Expression>[]; |
| 22 codegen.use(node.checkedInput); | 22 codegen.use(node.checkedInput); |
| 23 arguments.add(codegen.pop()); | 23 arguments.add(codegen.pop()); |
| 24 generateAdditionalArguments(codegen, node, arguments); | 24 generateAdditionalArguments(codegen, node, arguments); |
| 25 jsAst.Expression helper = codegen.backend.namer.elementAccess(helperElement)
; | 25 jsAst.Expression helper = |
| 26 codegen.backend.emitter.staticFunctionAccess(helperElement); |
| 26 return new jsAst.Call(helper, arguments); | 27 return new jsAst.Call(helper, arguments); |
| 27 } | 28 } |
| 28 | 29 |
| 29 void generateAdditionalArguments(SsaCodeGenerator codegen, | 30 void generateAdditionalArguments(SsaCodeGenerator codegen, |
| 30 HTypeConversion node, | 31 HTypeConversion node, |
| 31 List<jsAst.Expression> arguments) { | 32 List<jsAst.Expression> arguments) { |
| 32 // No additional arguments needed. | 33 // No additional arguments needed. |
| 33 } | 34 } |
| 34 | 35 |
| 35 static const List<CheckedModeHelper> helpers = const <CheckedModeHelper> [ | 36 static const List<CheckedModeHelper> helpers = const <CheckedModeHelper> [ |
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| 113 DartType type = node.typeExpression; | 114 DartType type = node.typeExpression; |
| 114 Element element = type.element; | 115 Element element = type.element; |
| 115 String isField = codegen.backend.namer.operatorIs(element); | 116 String isField = codegen.backend.namer.operatorIs(element); |
| 116 arguments.add(js.string(isField)); | 117 arguments.add(js.string(isField)); |
| 117 codegen.use(node.typeRepresentation); | 118 codegen.use(node.typeRepresentation); |
| 118 arguments.add(codegen.pop()); | 119 arguments.add(codegen.pop()); |
| 119 String asField = codegen.backend.namer.substitutionName(element); | 120 String asField = codegen.backend.namer.substitutionName(element); |
| 120 arguments.add(js.string(asField)); | 121 arguments.add(js.string(asField)); |
| 121 } | 122 } |
| 122 } | 123 } |
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