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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ISOLATE_H_ | 5 #ifndef V8_ISOLATE_H_ |
6 #define V8_ISOLATE_H_ | 6 #define V8_ISOLATE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <queue> | 9 #include <queue> |
10 #include <set> | 10 #include <set> |
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741 // reporting was handled when the exception was thrown originally. | 741 // reporting was handled when the exception was thrown originally. |
742 Object* ReThrow(Object* exception); | 742 Object* ReThrow(Object* exception); |
743 | 743 |
744 // Find the correct handler for the current pending exception. This also | 744 // Find the correct handler for the current pending exception. This also |
745 // clears and returns the current pending exception. | 745 // clears and returns the current pending exception. |
746 Object* UnwindAndFindHandler(); | 746 Object* UnwindAndFindHandler(); |
747 | 747 |
748 // Tries to predict whether an exception will be caught. Note that this can | 748 // Tries to predict whether an exception will be caught. Note that this can |
749 // only produce an estimate, because it is undecidable whether a finally | 749 // only produce an estimate, because it is undecidable whether a finally |
750 // clause will consume or re-throw an exception. | 750 // clause will consume or re-throw an exception. |
751 enum CatchType { NOT_CAUGHT, CAUGHT_BY_JAVASCRIPT, CAUGHT_BY_EXTERNAL }; | 751 enum CatchType { |
| 752 NOT_CAUGHT, |
| 753 CAUGHT_BY_JAVASCRIPT, |
| 754 CAUGHT_BY_EXTERNAL, |
| 755 CAUGHT_BY_DESUGARING |
| 756 }; |
752 CatchType PredictExceptionCatcher(); | 757 CatchType PredictExceptionCatcher(); |
753 | 758 |
754 void ScheduleThrow(Object* exception); | 759 void ScheduleThrow(Object* exception); |
755 // Re-set pending message, script and positions reported to the TryCatch | 760 // Re-set pending message, script and positions reported to the TryCatch |
756 // back to the TLS for re-use when rethrowing. | 761 // back to the TLS for re-use when rethrowing. |
757 void RestorePendingMessageFromTryCatch(v8::TryCatch* handler); | 762 void RestorePendingMessageFromTryCatch(v8::TryCatch* handler); |
758 // Un-schedule an exception that was caught by a TryCatch handler. | 763 // Un-schedule an exception that was caught by a TryCatch handler. |
759 void CancelScheduledExceptionFromTryCatch(v8::TryCatch* handler); | 764 void CancelScheduledExceptionFromTryCatch(v8::TryCatch* handler); |
760 void ReportPendingMessages(); | 765 void ReportPendingMessages(); |
761 // Return pending location if any or unfilled structure. | 766 // Return pending location if any or unfilled structure. |
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1655 | 1660 |
1656 EmbeddedVector<char, 128> filename_; | 1661 EmbeddedVector<char, 128> filename_; |
1657 FILE* file_; | 1662 FILE* file_; |
1658 int scope_depth_; | 1663 int scope_depth_; |
1659 }; | 1664 }; |
1660 | 1665 |
1661 } // namespace internal | 1666 } // namespace internal |
1662 } // namespace v8 | 1667 } // namespace v8 |
1663 | 1668 |
1664 #endif // V8_ISOLATE_H_ | 1669 #endif // V8_ISOLATE_H_ |
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