1402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// Copyright 2010 the V8 project authors. All rights reserved.
2402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// Redistribution and use in source and binary forms, with or without
3402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// modification, are permitted provided that the following conditions are
4402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// met:
5402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//
6402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//     * Redistributions of source code must retain the above copyright
7402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//       notice, this list of conditions and the following disclaimer.
8402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//     * Redistributions in binary form must reproduce the above
9402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//       copyright notice, this list of conditions and the following
10402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//       disclaimer in the documentation and/or other materials provided
11402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//       with the distribution.
12402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//     * Neither the name of Google Inc. nor the names of its
13402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//       contributors may be used to endorse or promote products derived
14402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//       from this software without specific prior written permission.
15402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu//
16402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu
286ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#ifndef V8_VM_STATE_H_
296ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#define V8_VM_STATE_H_
30402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu
31257744e915dfc84d6d07a6b2accf8402d9ffc708Ben Murdoch#include "allocation.h"
3244f0eee88ff00398ff7f715fab053374d808c90dSteve Block#include "isolate.h"
33f87a203d89e1bbb6708282e0b64dbd13d59b723dBen Murdoch
34402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescunamespace v8 {
35402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescunamespace internal {
36402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu
376ded16be15dd865a9b21ea304d5273c8be299c87Steve Blockclass VMState BASE_EMBEDDED {
38402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu public:
3944f0eee88ff00398ff7f715fab053374d808c90dSteve Block  inline VMState(Isolate* isolate, StateTag tag);
406ded16be15dd865a9b21ea304d5273c8be299c87Steve Block  inline ~VMState();
41402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu
42b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch private:
4344f0eee88ff00398ff7f715fab053374d808c90dSteve Block  Isolate* isolate_;
44b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch  StateTag previous_tag_;
45b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch};
466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block
476ded16be15dd865a9b21ea304d5273c8be299c87Steve Block
48b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdochclass ExternalCallbackScope BASE_EMBEDDED {
49b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch public:
5044f0eee88ff00398ff7f715fab053374d808c90dSteve Block  inline ExternalCallbackScope(Isolate* isolate, Address callback);
51b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch  inline ~ExternalCallbackScope();
526ded16be15dd865a9b21ea304d5273c8be299c87Steve Block private:
5344f0eee88ff00398ff7f715fab053374d808c90dSteve Block  Isolate* isolate_;
54b0fe1620dcb4135ac3ab2d66ff93072373911299Ben Murdoch  Address previous_callback_;
55402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu};
56402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu
57402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu} }  // namespace v8::internal
58402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu
596ded16be15dd865a9b21ea304d5273c8be299c87Steve Block
606ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#endif  // V8_VM_STATE_H_
61