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 JavaScriptDebugServer_h 30 #define JavaScriptDebugServer_h 31 32 #include "Timer.h" 33 #include <debugger/Debugger.h> 34 #include <wtf/HashMap.h> 35 #include <wtf/HashSet.h> 36 #include <wtf/RefPtr.h> 37 38 namespace JSC { 39 class DebuggerCallFrame; 40 } 41 42 namespace WebCore { 43 44 class Frame; 45 class FrameView; 46 class Page; 47 class PageGroup; 48 class JavaScriptCallFrame; 49 class JavaScriptDebugListener; 50 51 class JavaScriptDebugServer : JSC::Debugger { 52 public: 53 static JavaScriptDebugServer& shared(); 54 55 void addListener(JavaScriptDebugListener*); 56 void removeListener(JavaScriptDebugListener*); 57 58 void addListener(JavaScriptDebugListener*, Page*); 59 void removeListener(JavaScriptDebugListener*, Page*); 60 61 void addBreakpoint(intptr_t sourceID, unsigned lineNumber); 62 void removeBreakpoint(intptr_t sourceID, unsigned lineNumber); 63 bool hasBreakpoint(intptr_t sourceID, unsigned lineNumber) const; 64 void clearBreakpoints(); 65 pauseOnExceptions()66 bool pauseOnExceptions() const { return m_pauseOnExceptions; } 67 void setPauseOnExceptions(bool); 68 69 void pauseProgram(); 70 void continueProgram(); 71 void stepIntoStatement(); 72 void stepOverStatement(); 73 void stepOutOfFunction(); 74 75 void recompileAllJSFunctionsSoon(); 76 void recompileAllJSFunctions(Timer<JavaScriptDebugServer>* = 0); 77 78 JavaScriptCallFrame* currentCallFrame(); 79 80 void pageCreated(Page*); 81 82 typedef HashSet<JavaScriptDebugListener*> ListenerSet; 83 typedef void (JavaScriptDebugListener::*JavaScriptExecutionCallback)(); 84 85 private: 86 JavaScriptDebugServer(); 87 ~JavaScriptDebugServer(); 88 hasListeners()89 bool hasListeners() const { return !m_listeners.isEmpty() || !m_pageListenersMap.isEmpty(); } hasGlobalListeners()90 bool hasGlobalListeners() const { return !m_listeners.isEmpty(); } 91 bool hasListenersInterestedInPage(Page*); 92 93 void setJavaScriptPaused(const PageGroup&, bool paused); 94 void setJavaScriptPaused(Page*, bool paused); 95 void setJavaScriptPaused(Frame*, bool paused); 96 void setJavaScriptPaused(FrameView*, bool paused); 97 98 void dispatchFunctionToListeners(JavaScriptExecutionCallback, Page*); 99 void pauseIfNeeded(Page*); 100 101 virtual void sourceParsed(JSC::ExecState*, const JSC::SourceCode&, int errorLine, const JSC::UString& errorMsg); 102 virtual void callEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber); 103 virtual void atStatement(const JSC::DebuggerCallFrame&, intptr_t sourceID, int firstLine); 104 virtual void returnEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber); 105 virtual void exception(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber); 106 virtual void willExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno); 107 virtual void didExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno); 108 virtual void didReachBreakpoint(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno); 109 110 void didAddListener(Page*); 111 void didRemoveListener(Page*); 112 void didRemoveLastListener(); 113 114 typedef HashMap<Page*, ListenerSet*> PageListenersMap; 115 PageListenersMap m_pageListenersMap; 116 ListenerSet m_listeners; 117 bool m_callingListeners; 118 bool m_pauseOnExceptions; 119 bool m_pauseOnNextStatement; 120 bool m_paused; 121 bool m_doneProcessingDebuggerEvents; 122 JavaScriptCallFrame* m_pauseOnCallFrame; 123 RefPtr<JavaScriptCallFrame> m_currentCallFrame; 124 HashMap<intptr_t, HashSet<unsigned>*> m_breakpoints; 125 Timer<JavaScriptDebugServer> m_recompileTimer; 126 }; 127 128 } // namespace WebCore 129 130 #endif // JavaScriptDebugServer_h 131