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Andrei Popescu402d9372010-02-26 13:31:12 +00001// Copyright 2010 the V8 project authors. All rights reserved.
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27
Steve Block6ded16b2010-05-10 14:33:55 +010028#ifndef V8_VM_STATE_H_
29#define V8_VM_STATE_H_
Andrei Popescu402d9372010-02-26 13:31:12 +000030
Ben Murdoch257744e2011-11-30 15:57:28 +000031#include "allocation.h"
Steve Block44f0eee2011-05-26 01:26:41 +010032#include "isolate.h"
Ben Murdochf87a2032010-10-22 12:50:53 +010033
Andrei Popescu402d9372010-02-26 13:31:12 +000034namespace v8 {
35namespace internal {
36
Steve Block6ded16b2010-05-10 14:33:55 +010037class VMState BASE_EMBEDDED {
Andrei Popescu402d9372010-02-26 13:31:12 +000038 public:
Steve Block44f0eee2011-05-26 01:26:41 +010039 inline VMState(Isolate* isolate, StateTag tag);
Steve Block6ded16b2010-05-10 14:33:55 +010040 inline ~VMState();
Andrei Popescu402d9372010-02-26 13:31:12 +000041
Steve Block6ded16b2010-05-10 14:33:55 +010042 private:
Steve Block44f0eee2011-05-26 01:26:41 +010043 Isolate* isolate_;
Ben Murdochb0fe1622011-05-05 13:52:32 +010044 StateTag previous_tag_;
Andrei Popescu402d9372010-02-26 13:31:12 +000045};
46
Ben Murdochb0fe1622011-05-05 13:52:32 +010047
48class ExternalCallbackScope BASE_EMBEDDED {
Ben Murdochb0fe1622011-05-05 13:52:32 +010049 public:
Steve Block44f0eee2011-05-26 01:26:41 +010050 inline ExternalCallbackScope(Isolate* isolate, Address callback);
Ben Murdochb0fe1622011-05-05 13:52:32 +010051 inline ~ExternalCallbackScope();
52 private:
Steve Block44f0eee2011-05-26 01:26:41 +010053 Isolate* isolate_;
Ben Murdochb0fe1622011-05-05 13:52:32 +010054 Address previous_callback_;
Ben Murdochb0fe1622011-05-05 13:52:32 +010055};
56
Andrei Popescu402d9372010-02-26 13:31:12 +000057} } // namespace v8::internal
58
Steve Block6ded16b2010-05-10 14:33:55 +010059
60#endif // V8_VM_STATE_H_