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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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780 // Failure type tag info. | 780 // Failure type tag info. |
781 const int kFailureTypeTagSize = 2; | 781 const int kFailureTypeTagSize = 2; |
782 const int kFailureTypeTagMask = (1 << kFailureTypeTagSize) - 1; | 782 const int kFailureTypeTagMask = (1 << kFailureTypeTagSize) - 1; |
783 | 783 |
784 class Failure: public Object { | 784 class Failure: public Object { |
785 public: | 785 public: |
786 // RuntimeStubs assumes EXCEPTION = 1 in the compiler-generated code. | 786 // RuntimeStubs assumes EXCEPTION = 1 in the compiler-generated code. |
787 enum Type { | 787 enum Type { |
788 RETRY_AFTER_GC = 0, | 788 RETRY_AFTER_GC = 0, |
789 EXCEPTION = 1, // Returning this marker tells the real exception | 789 EXCEPTION = 1, // Returning this marker tells the real exception |
790 // is in Top::pending_exception. | 790 // is in Isolate::pending_exception. |
791 INTERNAL_ERROR = 2, | 791 INTERNAL_ERROR = 2, |
792 OUT_OF_MEMORY_EXCEPTION = 3 | 792 OUT_OF_MEMORY_EXCEPTION = 3 |
793 }; | 793 }; |
794 | 794 |
795 inline Type type() const; | 795 inline Type type() const; |
796 | 796 |
797 // Returns the space that needs to be collected for RetryAfterGC failures. | 797 // Returns the space that needs to be collected for RetryAfterGC failures. |
798 inline AllocationSpace allocation_space() const; | 798 inline AllocationSpace allocation_space() const; |
799 | 799 |
800 // Returns the number of bytes requested (up to the representable maximum) | 800 // Returns the number of bytes requested (up to the representable maximum) |
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5283 } else { | 5283 } else { |
5284 value &= ~(1 << bit_position); | 5284 value &= ~(1 << bit_position); |
5285 } | 5285 } |
5286 return value; | 5286 return value; |
5287 } | 5287 } |
5288 }; | 5288 }; |
5289 | 5289 |
5290 } } // namespace v8::internal | 5290 } } // namespace v8::internal |
5291 | 5291 |
5292 #endif // V8_OBJECTS_H_ | 5292 #endif // V8_OBJECTS_H_ |
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