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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 TypeMaskFactory { | 7 class TypeMaskFactory { |
8 static TypeMask fromInferredType(TypeMask mask, Compiler compiler) { | 8 static TypeMask fromInferredType(TypeMask mask, Compiler compiler) { |
9 JavaScriptBackend backend = compiler.backend; | 9 JavaScriptBackend backend = compiler.backend; |
10 if (mask == null) return backend.dynamicType; | 10 if (mask == null) return backend.dynamicType; |
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61 return backend.nullType; | 61 return backend.nullType; |
62 } else if (type.element == compiler.nullClass) { | 62 } else if (type.element == compiler.nullClass) { |
63 return backend.nullType; | 63 return backend.nullType; |
64 } else if (type.treatAsDynamic) { | 64 } else if (type.treatAsDynamic) { |
65 return backend.dynamicType; | 65 return backend.dynamicType; |
66 } else { | 66 } else { |
67 return new TypeMask.nonNullSubtype(type.element, classWorld); | 67 return new TypeMask.nonNullSubtype(type.element, classWorld); |
68 } | 68 } |
69 } | 69 } |
70 } | 70 } |
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