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// 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_