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/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ScriptDebugServer_h
#define ScriptDebugServer_h
#if ENABLE(JAVASCRIPT_DEBUGGER)
#include "ScriptDebugListener.h"
#include "PlatformString.h"
#include "ScriptBreakpoint.h"
#include "Timer.h"
#include <debugger/Debugger.h>
#include <runtime/UString.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
namespace JSC {
class DebuggerCallFrame;
class JSGlobalObject;
}
namespace WebCore {
class Frame;
class FrameView;
class Page;
class PageGroup;
class ScriptDebugListener;
class JavaScriptCallFrame;
class ScriptDebugServer : JSC::Debugger {
WTF_MAKE_NONCOPYABLE(ScriptDebugServer); WTF_MAKE_FAST_ALLOCATED;
public:
static ScriptDebugServer& shared();
void addListener(ScriptDebugListener*, Page*);
void removeListener(ScriptDebugListener*, Page*);
String setBreakpoint(const String& sourceID, unsigned lineNumber, const String& condition, bool enabled, unsigned* actualLineNumber);
void removeBreakpoint(const String& breakpointId);
void clearBreakpoints();
void setBreakpointsActivated(bool activated);
void activateBreakpoints() { setBreakpointsActivated(true); }
void deactivateBreakpoints() { setBreakpointsActivated(false); }
enum PauseOnExceptionsState {
DontPauseOnExceptions,
PauseOnAllExceptions,
PauseOnUncaughtExceptions
};
PauseOnExceptionsState pauseOnExceptionsState() const { return m_pauseOnExceptionsState; }
void setPauseOnExceptionsState(PauseOnExceptionsState);
void setPauseOnNextStatement(bool pause);
void breakProgram();
void continueProgram();
void stepIntoStatement();
void stepOverStatement();
void stepOutOfFunction();
bool editScriptSource(const String& sourceID, const String& newContent, String& newSourceOrErrorMessage);
void recompileAllJSFunctionsSoon();
void recompileAllJSFunctions(Timer<ScriptDebugServer>* = 0);
JavaScriptCallFrame* currentCallFrame();
void pageCreated(Page*);
bool isDebuggerAlwaysEnabled();
private:
typedef HashSet<ScriptDebugListener*> ListenerSet;
typedef void (ScriptDebugServer::*JavaScriptExecutionCallback)(ScriptDebugListener*);
ScriptDebugServer();
~ScriptDebugServer();
bool hasBreakpoint(intptr_t sourceID, unsigned lineNumber) const;
bool hasListenersInterestedInPage(Page*);
void setJavaScriptPaused(const PageGroup&, bool paused);
void setJavaScriptPaused(Page*, bool paused);
void setJavaScriptPaused(Frame*, bool paused);
void setJavaScriptPaused(FrameView*, bool paused);
void dispatchFunctionToListeners(JavaScriptExecutionCallback, Page*);
void dispatchFunctionToListeners(const ListenerSet& listeners, JavaScriptExecutionCallback callback);
void dispatchDidPause(ScriptDebugListener*);
void dispatchDidContinue(ScriptDebugListener*);
void dispatchDidParseSource(const ListenerSet& listeners, JSC::SourceProvider*, enum ScriptWorldType);
void dispatchFailedToParseSource(const ListenerSet& listeners, JSC::SourceProvider*, int errorLine, const String& errorMessage);
void createCallFrameAndPauseIfNeeded(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
void updateCallFrameAndPauseIfNeeded(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
void pauseIfNeeded(Page*);
virtual void detach(JSC::JSGlobalObject*);
virtual void sourceParsed(JSC::ExecState*, JSC::SourceProvider*, int errorLine, const JSC::UString& errorMsg);
virtual void callEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
virtual void atStatement(const JSC::DebuggerCallFrame&, intptr_t sourceID, int firstLine);
virtual void returnEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
virtual void exception(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, bool hasHandler);
virtual void willExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
virtual void didExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
virtual void didReachBreakpoint(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
void didAddListener(Page*);
void didRemoveListener(Page*);
typedef HashMap<Page*, ListenerSet*> PageListenersMap;
typedef HashMap<intptr_t, SourceBreakpoints> BreakpointsMap;
PageListenersMap m_pageListenersMap;
bool m_callingListeners;
PauseOnExceptionsState m_pauseOnExceptionsState;
bool m_pauseOnNextStatement;
bool m_paused;
Page* m_pausedPage;
bool m_doneProcessingDebuggerEvents;
bool m_breakpointsActivated;
JavaScriptCallFrame* m_pauseOnCallFrame;
RefPtr<JavaScriptCallFrame> m_currentCallFrame;
BreakpointsMap m_breakpoints;
Timer<ScriptDebugServer> m_recompileTimer;
};
} // namespace WebCore
#endif // ENABLE(JAVASCRIPT_DEBUGGER)
#endif // ScriptDebugServer_h
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