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      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         static Profiler* profiler();
     57         static CallIdentifier createCallIdentifier(ExecState* exec, JSValue, const UString& sourceURL, int lineNumber);
     58 
     59         void startProfiling(ExecState*, const UString& title);
     60         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
     81