profiler/Profiler.h

   1 /*
   2  * Copyright (C) 2008 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  14  *     its contributors may be used to endorse or promote products derived
  15  *     from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef Profiler_h
  30 #define Profiler_h
  31
  32 #include "Profile.h"
  33 #include <wtf/PassRefPtr.h>
  34 #include <wtf/RefPtr.h>
  35 #include <wtf/Vector.h>
  36
  37 namespace JSC {
  38
  39     class ExecState;
  40     class JSGlobalData;
  41     class JSGlobalObject;
  42     class JSObject;
  43     class JSValue;
  44     class ProfileGenerator;
  45     class UString;
  46     struct CallIdentifier;
  47
  48     class Profiler {
  49         WTF_MAKE_FAST_ALLOCATED;
  50     public:
  51         static Profiler** enabledProfilerReference()
  52         {
  53             return &s_sharedEnabledProfilerReference;
  54         }
  55
  56         JS_EXPORT_PRIVATE static Profiler* profiler();
  57         static CallIdentifier createCallIdentifier(ExecState* exec, JSValue, const UString& sourceURL, int lineNumber);
  58
  59         JS_EXPORT_PRIVATE void startProfiling(ExecState*, const UString& title);
  60         JS_EXPORT_PRIVATE PassRefPtr<Profile> stopProfiling(ExecState*, const UString& title);
  61         void stopProfiling(JSGlobalObject*);
  62
  63         void willExecute(ExecState* callerCallFrame, JSValue function);
  64         void willExecute(ExecState* callerCallFrame, const UString& sourceURL, int startingLineNumber);
  65         void didExecute(ExecState* callerCallFrame, JSValue function);
  66         void didExecute(ExecState* callerCallFrame, const UString& sourceURL, int startingLineNumber);
  67
  68         void exceptionUnwind(ExecState* handlerCallFrame);
  69
  70         const Vector<RefPtr<ProfileGenerator> >& currentProfiles() { return m_currentProfiles; };
  71
  72     private:
  73         Vector<RefPtr<ProfileGenerator> > m_currentProfiles;
  74         static Profiler* s_sharedProfiler;
  75         static Profiler* s_sharedEnabledProfilerReference;
  76     };
  77
  78 } // namespace JSC
  79
  80 #endif // Profiler_h