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// Copyright 2010 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_VM_STATE_H_
#define V8_VM_STATE_H_
#include "src/allocation.h"
#include "src/isolate.h"
namespace v8 {
namespace internal {
template <StateTag Tag>
class VMState BASE_EMBEDDED {
public:
explicit inline VMState(Isolate* isolate);
inline ~VMState();
private:
Isolate* isolate_;
StateTag previous_tag_;
};
class ExternalCallbackScope BASE_EMBEDDED {
public:
inline ExternalCallbackScope(Isolate* isolate, Address callback);
inline ~ExternalCallbackScope();
Address callback() { return callback_; }
Address* callback_address() { return &callback_; }
ExternalCallbackScope* previous() { return previous_scope_; }
inline Address scope_address();
private:
Isolate* isolate_;
Address callback_;
ExternalCallbackScope* previous_scope_;
#ifdef USE_SIMULATOR
Address scope_address_;
#endif
};
} } // namespace v8::internal
#endif // V8_VM_STATE_H_
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