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/*
* 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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
#include "InspectorBackendDispatcher.h"
#include "bindings/v8/ScopedPersistent.h"
#include "core/inspector/ScriptBreakpoint.h"
#include "core/inspector/ScriptDebugListener.h"
#include <v8-debug.h>
#include "wtf/HashMap.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/StringHash.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class ScriptController;
class ScriptDebugListener;
class ScriptObject;
class ScriptSourceCode;
class ScriptState;
class ScriptValue;
class JavaScriptCallFrame;
class ScriptDebugServer {
WTF_MAKE_NONCOPYABLE(ScriptDebugServer);
public:
String setBreakpoint(const String& sourceID, const ScriptBreakpoint&, int* actualLineNumber, int* actualColumnNumber, bool interstatementLocation);
void removeBreakpoint(const String& breakpointId);
void clearBreakpoints();
void setBreakpointsActivated(bool activated);
enum PauseOnExceptionsState {
DontPauseOnExceptions,
PauseOnAllExceptions,
PauseOnUncaughtExceptions
};
PauseOnExceptionsState pauseOnExceptionsState();
void setPauseOnExceptionsState(PauseOnExceptionsState pauseOnExceptionsState);
void setPauseOnNextStatement(bool pause);
bool canBreakProgram();
void breakProgram();
void continueProgram();
void stepIntoStatement();
void stepOverStatement(const ScriptValue& frame);
void stepOutOfFunction(const ScriptValue& frame);
bool setScriptSource(const String& sourceID, const String& newContent, bool preview, String* error, RefPtr<TypeBuilder::Debugger::SetScriptSourceError>&, ScriptValue* newCallFrames, ScriptObject* result);
ScriptValue currentCallFrames();
class Task {
public:
virtual ~Task() { }
virtual void run() = 0;
};
static void interruptAndRun(PassOwnPtr<Task>, v8::Isolate*);
void runPendingTasks();
bool isPaused();
bool runningNestedMessageLoop() { return m_runningNestedMessageLoop; }
v8::Local<v8::Value> functionScopes(v8::Handle<v8::Function>);
v8::Local<v8::Value> getInternalProperties(v8::Handle<v8::Object>&);
v8::Handle<v8::Value> setFunctionVariableValue(v8::Handle<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Handle<v8::Value> newValue);
v8::Local<v8::Value> callDebuggerMethod(const char* functionName, int argc, v8::Handle<v8::Value> argv[]);
virtual void compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage);
virtual void clearCompiledScripts();
virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage);
virtual void setPreprocessorSource(const String&) { }
virtual void preprocessBeforeCompile(const v8::Debug::EventDetails&) { }
virtual PassOwnPtr<ScriptSourceCode> preprocess(Frame*, const ScriptSourceCode&);
virtual String preprocessEventListener(Frame*, const String& source, const String& url, const String& functionName);
protected:
explicit ScriptDebugServer(v8::Isolate*);
virtual ~ScriptDebugServer();
virtual ScriptDebugListener* getDebugListenerForContext(v8::Handle<v8::Context>) = 0;
virtual void runMessageLoopOnPause(v8::Handle<v8::Context>) = 0;
virtual void quitMessageLoopOnPause() = 0;
static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&);
void handleProgramBreak(v8::Handle<v8::Object> executionState, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBreakpoints);
void handleProgramBreak(const v8::Debug::EventDetails&, v8::Handle<v8::Value> exception, v8::Handle<v8::Array> hitBreakpointNumbers);
static void v8DebugEventCallback(const v8::Debug::EventDetails& eventDetails);
void handleV8DebugEvent(const v8::Debug::EventDetails& eventDetails);
void dispatchDidParseSource(ScriptDebugListener* listener, v8::Handle<v8::Object> sourceObject);
void ensureDebuggerScriptCompiled();
PauseOnExceptionsState m_pauseOnExceptionsState;
ScopedPersistent<v8::Object> m_debuggerScript;
ScopedPersistent<v8::Object> m_executionState;
v8::Handle<v8::Context> m_pausedContext;
bool m_breakpointsActivated;
ScopedPersistent<v8::FunctionTemplate> m_breakProgramCallbackTemplate;
HashMap<String, OwnPtr<ScopedPersistent<v8::Script> > > m_compiledScripts;
v8::Isolate* m_isolate;
private:
void stepCommandWithFrame(const char* functionName, const ScriptValue& frame);
PassRefPtr<JavaScriptCallFrame> wrapCallFrames(v8::Handle<v8::Object> executionState, int maximumLimit);
bool executeSkipPauseRequest(ScriptDebugListener::SkipPauseRequest, v8::Handle<v8::Object> executionState);
bool m_runningNestedMessageLoop;
};
} // namespace WebCore
#endif // ScriptDebugServer_h
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