src/vm-state.h

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#ifndef V8_VM_STATE_H_
#define V8_VM_STATE_H_

#include "isolate.h"

namespace v8 {
namespace internal {

class VMState BASE_EMBEDDED {
#ifdef ENABLE_VMSTATE_TRACKING
 public:
  inline VMState(Isolate* isolate, StateTag tag);
  inline ~VMState();

 private:
  Isolate* isolate_;
  StateTag previous_tag_;

#else
 public:
  VMState(Isolate* isolate, StateTag state) {}
#endif
};


class ExternalCallbackScope BASE_EMBEDDED {
#ifdef ENABLE_LOGGING_AND_PROFILING
 public:
  inline ExternalCallbackScope(Isolate* isolate, Address callback);
  inline ~ExternalCallbackScope();
 private:
  Isolate* isolate_;
  Address previous_callback_;
#else
 public:
  ExternalCallbackScope(Isolate* isolate, Address callback) {}
#endif
};

} }  // namespace v8::internal


#endif  // V8_VM_STATE_H_