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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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2478 ClassElement cls = type.element; | 2478 ClassElement cls = type.element; |
2479 Link<DartType> arguments = interfaceType.arguments; | 2479 Link<DartType> arguments = interfaceType.arguments; |
2480 js.Expression result = pop(); | 2480 js.Expression result = pop(); |
2481 for (TypeVariableType typeVariable in cls.typeVariables) { | 2481 for (TypeVariableType typeVariable in cls.typeVariables) { |
2482 use(node.typeInfoCall); | 2482 use(node.typeInfoCall); |
2483 // TODO(johnniwinther): Retrieve the type name properly and not through | 2483 // TODO(johnniwinther): Retrieve the type name properly and not through |
2484 // [toString]. Note: Two cases below [typeVariable] and | 2484 // [toString]. Note: Two cases below [typeVariable] and |
2485 // [arguments.head]. | 2485 // [arguments.head]. |
2486 js.PropertyAccess field = | 2486 js.PropertyAccess field = |
2487 new js.PropertyAccess.field(pop(), typeVariable.toString()); | 2487 new js.PropertyAccess.field(pop(), typeVariable.toString()); |
2488 js.Expression genericName = new js.LiteralString("'${arguments.head}'"); | 2488 RuntimeTypeInformation rti = backend.rti; |
| 2489 String typeName = rti.buildStringRepresentation(arguments.head); |
| 2490 js.Expression genericName = new js.LiteralString("'$typeName'"); |
2489 js.Binary eqTest = new js.Binary('===', field, genericName); | 2491 js.Binary eqTest = new js.Binary('===', field, genericName); |
2490 // Also test for 'undefined' in case the object does not have | 2492 // Also test for 'undefined' in case the object does not have |
2491 // any type variable. | 2493 // any type variable. |
2492 js.Prefix undefinedTest = new js.Prefix('!', field); | 2494 js.Prefix undefinedTest = new js.Prefix('!', field); |
2493 result = new js.Binary( | 2495 result = new js.Binary( |
2494 '&&', result, new js.Binary('||', undefinedTest, eqTest)); | 2496 '&&', result, new js.Binary('||', undefinedTest, eqTest)); |
2495 } | 2497 } |
2496 push(result, node); | 2498 push(result, node); |
2497 } | 2499 } |
2498 if (node.nullOk) { | 2500 if (node.nullOk) { |
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3108 if (leftType.canBeNull() && rightType.canBeNull()) { | 3110 if (leftType.canBeNull() && rightType.canBeNull()) { |
3109 if (left.isConstantNull() || right.isConstantNull() || | 3111 if (left.isConstantNull() || right.isConstantNull() || |
3110 (leftType.isPrimitive() && leftType == rightType)) { | 3112 (leftType.isPrimitive() && leftType == rightType)) { |
3111 return '=='; | 3113 return '=='; |
3112 } | 3114 } |
3113 return null; | 3115 return null; |
3114 } else { | 3116 } else { |
3115 return '==='; | 3117 return '==='; |
3116 } | 3118 } |
3117 } | 3119 } |
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