1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
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13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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28 #ifndef V8_VM_STATE_H_
29 #define V8_VM_STATE_H_
36 class VMState BASE_EMBEDDED {
37 #ifdef ENABLE_VMSTATE_TRACKING
39 inline explicit VMState(StateTag tag);
43 StateTag previous_tag_;
47 explicit VMState(StateTag state) {}
52 class ExternalCallbackScope BASE_EMBEDDED {
53 #ifdef ENABLE_LOGGING_AND_PROFILING
55 inline explicit ExternalCallbackScope(Address callback);
56 inline ~ExternalCallbackScope();
58 Address previous_callback_;
61 explicit ExternalCallbackScope(Address callback) {}
65 } } // namespace v8::internal
68 #endif // V8_VM_STATE_H_