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
37namespace 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