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/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
* Copyright (C) 2010-2011 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 "ScriptBreakpoint.h"
#include "Timer.h"
#include <debugger/Debugger.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/TextPosition.h>
#include <wtf/text/WTFString.h>
namespace JSC {
class DebuggerCallFrame;
class JSGlobalObject;
class ExecState;
}
namespace WebCore {
class JavaScriptCallFrame;
class ScriptDebugListener;
class ScriptObject;
class ScriptValue;
class ScriptDebugServer : protected JSC::Debugger {
WTF_MAKE_NONCOPYABLE(ScriptDebugServer); WTF_MAKE_FAST_ALLOCATED;
public:
String setBreakpoint(const String& sourceID, const ScriptBreakpoint&, int* actualLineNumber, int* actualColumnNumber);
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 canSetScriptSource();
bool setScriptSource(const String& sourceID, const String& newContent, bool preview, String* error, ScriptValue* newCallFrames, ScriptObject* result);
void updateCallStack(ScriptValue* callFrame);
bool causesRecompilation() { return true; }
bool supportsSeparateScriptCompilationAndExecution() { return false; }
void recompileAllJSFunctionsSoon();
virtual void recompileAllJSFunctions(Timer<ScriptDebugServer>* = 0) = 0;
void setScriptPreprocessor(const String&)
{
// FIXME(webkit.org/b/82203): Implement preprocessor.
}
bool isPaused() { return m_paused; }
bool runningNestedMessageLoop() { return m_runningNestedMessageLoop; }
void compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage);
void clearCompiledScripts();
void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage);
class Task {
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~Task() { }
virtual void run() = 0;
};
protected:
typedef HashSet<ScriptDebugListener*> ListenerSet;
typedef void (ScriptDebugServer::*JavaScriptExecutionCallback)(ScriptDebugListener*);
ScriptDebugServer();
~ScriptDebugServer();
virtual ListenerSet* getListenersForGlobalObject(JSC::JSGlobalObject*) = 0;
virtual void didPause(JSC::JSGlobalObject*) = 0;
virtual void didContinue(JSC::JSGlobalObject*) = 0;
virtual void runEventLoopWhilePaused() = 0;
virtual bool isContentScript(JSC::ExecState*);
bool hasBreakpoint(intptr_t sourceID, const TextPosition&) const;
void dispatchFunctionToListeners(JavaScriptExecutionCallback, JSC::JSGlobalObject*);
void dispatchFunctionToListeners(const ListenerSet& listeners, JavaScriptExecutionCallback callback);
void dispatchDidPause(ScriptDebugListener*);
void dispatchDidContinue(ScriptDebugListener*);
void dispatchDidParseSource(const ListenerSet& listeners, JSC::SourceProvider*, bool isContentScript);
void dispatchFailedToParseSource(const ListenerSet& listeners, JSC::SourceProvider*, int errorLine, const String& errorMessage);
void createCallFrame(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, int columnNumber);
void updateCallFrameAndPauseIfNeeded(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, int columnNumber);
void pauseIfNeeded(JSC::JSGlobalObject* dynamicGlobalObject);
virtual void detach(JSC::JSGlobalObject*);
virtual void sourceParsed(JSC::ExecState*, JSC::SourceProvider*, int errorLine, const String& errorMsg);
virtual void callEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, int columnNumber);
virtual void atStatement(const JSC::DebuggerCallFrame&, intptr_t sourceID, int firstLine, int columnNumber);
virtual void returnEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, int columnNumber);
virtual void exception(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, int columnNumber, bool hasHandler);
virtual void willExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno, int columnNumber);
virtual void didExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno, int columnNumber);
virtual void didReachBreakpoint(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno, int columnNumber);
typedef Vector<ScriptBreakpoint> BreakpointsInLine;
typedef HashMap<long, BreakpointsInLine> LineToBreakpointMap;
typedef HashMap<intptr_t, LineToBreakpointMap> SourceIdToBreakpointsMap;
bool m_callingListeners;
PauseOnExceptionsState m_pauseOnExceptionsState;
bool m_pauseOnNextStatement;
bool m_paused;
bool m_runningNestedMessageLoop;
bool m_doneProcessingDebuggerEvents;
bool m_breakpointsActivated;
JavaScriptCallFrame* m_pauseOnCallFrame;
RefPtr<JavaScriptCallFrame> m_currentCallFrame;
SourceIdToBreakpointsMap m_sourceIdToBreakpoints;
Timer<ScriptDebugServer> m_recompileTimer;
int m_lastExecutedLine;
intptr_t m_lastExecutedSourceId;
};
} // namespace WebCore
#endif // ENABLE(JAVASCRIPT_DEBUGGER)
#endif // ScriptDebugServer_h
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