| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef VM_LONGJUMP_H_ |
| #define VM_LONGJUMP_H_ |
| |
| #include <setjmp.h> |
| |
| #include "vm/allocation.h" |
| |
| namespace dart { |
| |
| class Error; |
| |
| class LongJump : public ValueObject { |
| public: |
| LongJump() : top_(NULL) { } |
| |
| jmp_buf* Set(); |
| void Jump(int value, const Error& error); |
| |
| // Would it be safe to use this longjump? |
| // |
| // Checks to make sure that the jump would not cross Dart frames. |
| bool IsSafeToJump(); |
| |
| private: |
| jmp_buf environment_; |
| StackResource* top_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LongJump); |
| }; |
| |
| } // namespace dart |
| |
| #endif // VM_LONGJUMP_H_ |