vm-state.h

Go to the documentation of this file.

// 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_