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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
Steve Block44f0eee2011-05-26 01:26:41 +010031#include "isolate.h"
Ben Murdochf87a2032010-10-22 12:50:53 +010032
Andrei Popescu402d9372010-02-26 13:31:12 +000033namespace v8 {
34namespace internal {
35
Steve Block6ded16b2010-05-10 14:33:55 +010036class VMState BASE_EMBEDDED {
37#ifdef ENABLE_VMSTATE_TRACKING
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_;
Steve Block6ded16b2010-05-10 14:33:55 +010045
Steve Block6ded16b2010-05-10 14:33:55 +010046#else
47 public:
Steve Block44f0eee2011-05-26 01:26:41 +010048 VMState(Isolate* isolate, StateTag state) {}
Steve Block6ded16b2010-05-10 14:33:55 +010049#endif
Andrei Popescu402d9372010-02-26 13:31:12 +000050};
51
Ben Murdochb0fe1622011-05-05 13:52:32 +010052
53class ExternalCallbackScope BASE_EMBEDDED {
54#ifdef ENABLE_LOGGING_AND_PROFILING
55 public:
Steve Block44f0eee2011-05-26 01:26:41 +010056 inline ExternalCallbackScope(Isolate* isolate, Address callback);
Ben Murdochb0fe1622011-05-05 13:52:32 +010057 inline ~ExternalCallbackScope();
58 private:
Steve Block44f0eee2011-05-26 01:26:41 +010059 Isolate* isolate_;
Ben Murdochb0fe1622011-05-05 13:52:32 +010060 Address previous_callback_;
61#else
62 public:
Steve Block44f0eee2011-05-26 01:26:41 +010063 ExternalCallbackScope(Isolate* isolate, Address callback) {}
Ben Murdochb0fe1622011-05-05 13:52:32 +010064#endif
65};
66
Andrei Popescu402d9372010-02-26 13:31:12 +000067} } // namespace v8::internal
68
Steve Block6ded16b2010-05-10 14:33:55 +010069
70#endif // V8_VM_STATE_H_