| /* |
| * 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: |
| * |
| * * 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. |
| */ |
| |
| #include "config.h" |
| #include "ScriptDebugServer.h" |
| |
| #if ENABLE(JAVASCRIPT_DEBUGGER) |
| |
| #include "DebuggerScriptSource.h" |
| #include "JavaScriptCallFrame.h" |
| #include "ScopedPersistent.h" |
| #include "ScriptDebugListener.h" |
| #include "ScriptObject.h" |
| #include "V8Binding.h" |
| #include "V8JavaScriptCallFrame.h" |
| #include "V8RecursionScope.h" |
| #include <wtf/StdLibExtras.h> |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| namespace { |
| |
| class ClientDataImpl : public v8::Debug::ClientData { |
| public: |
| ClientDataImpl(PassOwnPtr<ScriptDebugServer::Task> task) : m_task(task) { } |
| virtual ~ClientDataImpl() { } |
| ScriptDebugServer::Task* task() const { return m_task.get(); } |
| private: |
| OwnPtr<ScriptDebugServer::Task> m_task; |
| }; |
| |
| class RecursionScopeSuppression { |
| public: |
| RecursionScopeSuppression() |
| { |
| #ifndef NDEBUG |
| V8PerIsolateData::current()->incrementInternalScriptRecursionLevel(); |
| #endif |
| } |
| |
| ~RecursionScopeSuppression() |
| { |
| #ifndef NDEBUG |
| V8PerIsolateData::current()->decrementInternalScriptRecursionLevel(); |
| #endif |
| } |
| }; |
| |
| } |
| |
| v8::Local<v8::Value> ScriptDebugServer::callDebuggerMethod(const char* functionName, int argc, v8::Handle<v8::Value> argv[]) |
| { |
| v8::Handle<v8::Function> function = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::NewSymbol(functionName))); |
| V8RecursionScope::MicrotaskSuppression scope; |
| return function->Call(m_debuggerScript.get(), argc, argv); |
| } |
| |
| class ScriptDebugServer::ScriptPreprocessor { |
| WTF_MAKE_NONCOPYABLE(ScriptPreprocessor); |
| public: |
| explicit ScriptPreprocessor(const String& preprocessorScript) |
| { |
| v8::HandleScope scope; |
| |
| m_utilityContext.set(v8::Context::New()); |
| if (m_utilityContext.isEmpty()) |
| return; |
| |
| v8::Context::Scope contextScope(m_utilityContext.get()); |
| |
| v8::TryCatch tryCatch; |
| |
| String wrappedScript = makeString("(", preprocessorScript, ")"); |
| v8::Handle<v8::String> preprocessor = v8::String::New(wrappedScript.utf8().data(), wrappedScript.utf8().length()); |
| |
| v8::Handle<v8::Script> script = v8::Script::Compile(preprocessor); |
| |
| if (tryCatch.HasCaught()) |
| return; |
| RecursionScopeSuppression suppressionScope; |
| v8::Handle<v8::Value> preprocessorFunction = script->Run(); |
| |
| if (tryCatch.HasCaught() || !preprocessorFunction->IsFunction()) |
| return; |
| |
| m_preprocessorFunction.set(v8::Handle<v8::Function>::Cast(preprocessorFunction)); |
| } |
| |
| String preprocessSourceCode(const String& sourceCode, const String& sourceName) |
| { |
| v8::HandleScope scope; |
| |
| if (m_preprocessorFunction.isEmpty()) |
| return sourceCode; |
| |
| v8::Local<v8::Context> context = v8::Local<v8::Context>::New(m_utilityContext.get()); |
| v8::Context::Scope contextScope(context); |
| |
| v8::Handle<v8::String> sourceCodeString = v8::String::New(sourceCode.utf8().data(), sourceCode.utf8().length()); |
| |
| v8::Handle<v8::String> sourceNameString = v8::String::New(sourceName.utf8().data(), sourceName.utf8().length()); |
| v8::Handle<v8::Value> argv[] = { sourceCodeString, sourceNameString }; |
| |
| v8::TryCatch tryCatch; |
| RecursionScopeSuppression suppressionScope; |
| v8::Handle<v8::Value> resultValue = m_preprocessorFunction->Call(context->Global(), 2, argv); |
| |
| if (tryCatch.HasCaught()) |
| return sourceCode; |
| |
| if (resultValue->IsString()) { |
| v8::String::Utf8Value utf8Value(resultValue); |
| return String::fromUTF8(*utf8Value, utf8Value.length()); |
| } |
| |
| return sourceCode; |
| } |
| |
| ~ScriptPreprocessor() |
| { |
| } |
| |
| private: |
| ScopedPersistent<v8::Context> m_utilityContext; |
| String m_preprocessorBody; |
| ScopedPersistent<v8::Function> m_preprocessorFunction; |
| }; |
| |
| ScriptDebugServer::ScriptDebugServer() |
| : m_pauseOnExceptionsState(DontPauseOnExceptions) |
| , m_breakpointsActivated(true) |
| , m_runningNestedMessageLoop(false) |
| { |
| } |
| |
| ScriptDebugServer::~ScriptDebugServer() |
| { |
| } |
| |
| String ScriptDebugServer::setBreakpoint(const String& sourceID, const ScriptBreakpoint& scriptBreakpoint, int* actualLineNumber, int* actualColumnNumber) |
| { |
| v8::HandleScope scope; |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| |
| v8::Local<v8::Object> args = v8::Object::New(); |
| args->Set(v8::String::NewSymbol("sourceID"), v8String(sourceID, debuggerContext->GetIsolate())); |
| args->Set(v8::String::NewSymbol("lineNumber"), v8Integer(scriptBreakpoint.lineNumber, debuggerContext->GetIsolate())); |
| args->Set(v8::String::NewSymbol("columnNumber"), v8Integer(scriptBreakpoint.columnNumber, debuggerContext->GetIsolate())); |
| args->Set(v8::String::NewSymbol("condition"), v8String(scriptBreakpoint.condition, debuggerContext->GetIsolate())); |
| |
| v8::Handle<v8::Function> setBreakpointFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::NewSymbol("setBreakpoint"))); |
| v8::Handle<v8::Value> breakpointId = v8::Debug::Call(setBreakpointFunction, args); |
| if (!breakpointId->IsString()) |
| return ""; |
| *actualLineNumber = args->Get(v8::String::NewSymbol("lineNumber"))->Int32Value(); |
| *actualColumnNumber = args->Get(v8::String::NewSymbol("columnNumber"))->Int32Value(); |
| return toWebCoreString(breakpointId->ToString()); |
| } |
| |
| void ScriptDebugServer::removeBreakpoint(const String& breakpointId) |
| { |
| v8::HandleScope scope; |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| |
| v8::Local<v8::Object> args = v8::Object::New(); |
| args->Set(v8::String::NewSymbol("breakpointId"), v8String(breakpointId, debuggerContext->GetIsolate())); |
| |
| v8::Handle<v8::Function> removeBreakpointFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::NewSymbol("removeBreakpoint"))); |
| v8::Debug::Call(removeBreakpointFunction, args); |
| } |
| |
| void ScriptDebugServer::clearBreakpoints() |
| { |
| ensureDebuggerScriptCompiled(); |
| v8::HandleScope scope; |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| |
| v8::Handle<v8::Function> clearBreakpoints = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::NewSymbol("clearBreakpoints"))); |
| v8::Debug::Call(clearBreakpoints); |
| } |
| |
| void ScriptDebugServer::setBreakpointsActivated(bool activated) |
| { |
| ensureDebuggerScriptCompiled(); |
| v8::HandleScope scope; |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| |
| v8::Local<v8::Object> args = v8::Object::New(); |
| args->Set(v8::String::NewSymbol("enabled"), v8::Boolean::New(activated)); |
| v8::Handle<v8::Function> setBreakpointsActivated = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::NewSymbol("setBreakpointsActivated"))); |
| v8::Debug::Call(setBreakpointsActivated, args); |
| |
| m_breakpointsActivated = activated; |
| } |
| |
| ScriptDebugServer::PauseOnExceptionsState ScriptDebugServer::pauseOnExceptionsState() |
| { |
| ensureDebuggerScriptCompiled(); |
| v8::HandleScope scope; |
| v8::Context::Scope contextScope(v8::Debug::GetDebugContext()); |
| |
| v8::Handle<v8::Value> argv[] = { v8Undefined() }; |
| v8::Handle<v8::Value> result = callDebuggerMethod("pauseOnExceptionsState", 0, argv); |
| return static_cast<ScriptDebugServer::PauseOnExceptionsState>(result->Int32Value()); |
| } |
| |
| void ScriptDebugServer::setPauseOnExceptionsState(PauseOnExceptionsState pauseOnExceptionsState) |
| { |
| ensureDebuggerScriptCompiled(); |
| v8::HandleScope scope; |
| v8::Context::Scope contextScope(v8::Debug::GetDebugContext()); |
| |
| v8::Handle<v8::Value> argv[] = { v8::Int32::New(pauseOnExceptionsState) }; |
| callDebuggerMethod("setPauseOnExceptionsState", 1, argv); |
| } |
| |
| void ScriptDebugServer::setPauseOnNextStatement(bool pause) |
| { |
| if (isPaused()) |
| return; |
| v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
| if (pause) |
| v8::Debug::DebugBreak(isolate); |
| else |
| v8::Debug::CancelDebugBreak(isolate); |
| } |
| |
| void ScriptDebugServer::breakProgram() |
| { |
| if (!m_breakpointsActivated) |
| return; |
| |
| if (!v8::Context::InContext()) |
| return; |
| |
| if (m_breakProgramCallbackTemplate.get().IsEmpty()) { |
| m_breakProgramCallbackTemplate.set(v8::FunctionTemplate::New()); |
| m_breakProgramCallbackTemplate.get()->SetCallHandler(&ScriptDebugServer::breakProgramCallback, v8::External::New(this)); |
| } |
| |
| v8::Handle<v8::Context> context = v8::Context::GetCurrent(); |
| if (context.IsEmpty()) |
| return; |
| |
| m_pausedContext = *context; |
| v8::Handle<v8::Function> breakProgramFunction = m_breakProgramCallbackTemplate.get()->GetFunction(); |
| v8::Debug::Call(breakProgramFunction); |
| m_pausedContext.Clear(); |
| } |
| |
| void ScriptDebugServer::continueProgram() |
| { |
| if (isPaused()) |
| quitMessageLoopOnPause(); |
| m_executionState.clear(); |
| } |
| |
| void ScriptDebugServer::stepIntoStatement() |
| { |
| ASSERT(isPaused()); |
| v8::Handle<v8::Value> argv[] = { m_executionState.get() }; |
| callDebuggerMethod("stepIntoStatement", 1, argv); |
| continueProgram(); |
| } |
| |
| void ScriptDebugServer::stepOverStatement() |
| { |
| ASSERT(isPaused()); |
| v8::Handle<v8::Value> argv[] = { m_executionState.get() }; |
| callDebuggerMethod("stepOverStatement", 1, argv); |
| continueProgram(); |
| } |
| |
| void ScriptDebugServer::stepOutOfFunction() |
| { |
| ASSERT(isPaused()); |
| v8::Handle<v8::Value> argv[] = { m_executionState.get() }; |
| callDebuggerMethod("stepOutOfFunction", 1, argv); |
| continueProgram(); |
| } |
| |
| bool ScriptDebugServer::canSetScriptSource() |
| { |
| return true; |
| } |
| |
| bool ScriptDebugServer::setScriptSource(const String& sourceID, const String& newContent, bool preview, String* error, ScriptValue* newCallFrames, ScriptObject* result) |
| { |
| class EnableLiveEditScope { |
| public: |
| EnableLiveEditScope() { v8::Debug::SetLiveEditEnabled(true); } |
| ~EnableLiveEditScope() { v8::Debug::SetLiveEditEnabled(false); } |
| }; |
| |
| ensureDebuggerScriptCompiled(); |
| v8::HandleScope scope; |
| |
| OwnPtr<v8::Context::Scope> contextScope; |
| v8::Handle<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| if (!isPaused()) |
| contextScope = adoptPtr(new v8::Context::Scope(debuggerContext)); |
| |
| v8::Handle<v8::Value> argv[] = { v8String(sourceID, debuggerContext->GetIsolate()), v8String(newContent, debuggerContext->GetIsolate()), v8Boolean(preview) }; |
| |
| v8::Local<v8::Value> v8result; |
| { |
| EnableLiveEditScope enableLiveEditScope; |
| v8::TryCatch tryCatch; |
| tryCatch.SetVerbose(false); |
| v8result = callDebuggerMethod("liveEditScriptSource", 3, argv); |
| if (tryCatch.HasCaught()) { |
| v8::Local<v8::Message> message = tryCatch.Message(); |
| if (!message.IsEmpty()) |
| *error = toWebCoreStringWithUndefinedOrNullCheck(message->Get()); |
| else |
| *error = "Unknown error."; |
| return false; |
| } |
| } |
| ASSERT(!v8result.IsEmpty()); |
| if (v8result->IsObject()) |
| *result = ScriptObject(ScriptState::current(), v8result->ToObject()); |
| |
| // Call stack may have changed after if the edited function was on the stack. |
| if (!preview && isPaused()) |
| *newCallFrames = currentCallFrame(); |
| return true; |
| } |
| |
| |
| void ScriptDebugServer::updateCallStack(ScriptValue* callFrame) |
| { |
| if (isPaused()) |
| *callFrame = currentCallFrame(); |
| } |
| |
| |
| void ScriptDebugServer::setScriptPreprocessor(const String& preprocessorBody) |
| { |
| m_scriptPreprocessor.clear(); |
| if (!preprocessorBody.isEmpty()) |
| m_scriptPreprocessor = adoptPtr(new ScriptPreprocessor(preprocessorBody)); |
| } |
| |
| ScriptValue ScriptDebugServer::currentCallFrame() |
| { |
| ASSERT(isPaused()); |
| v8::Handle<v8::Value> argv[] = { m_executionState.get() }; |
| v8::Handle<v8::Value> currentCallFrameV8 = callDebuggerMethod("currentCallFrame", 1, argv); |
| |
| ASSERT(!currentCallFrameV8.IsEmpty()); |
| if (!currentCallFrameV8->IsObject()) |
| return ScriptValue(v8::Null()); |
| |
| RefPtr<JavaScriptCallFrame> currentCallFrame = JavaScriptCallFrame::create(v8::Debug::GetDebugContext(), v8::Handle<v8::Object>::Cast(currentCallFrameV8)); |
| v8::Context::Scope contextScope(m_pausedContext); |
| return ScriptValue(toV8(currentCallFrame.release(), v8::Handle<v8::Object>(), m_pausedContext->GetIsolate())); |
| } |
| |
| void ScriptDebugServer::interruptAndRun(PassOwnPtr<Task> task, v8::Isolate* isolate) |
| { |
| v8::Debug::DebugBreakForCommand(new ClientDataImpl(task), isolate); |
| } |
| |
| void ScriptDebugServer::runPendingTasks() |
| { |
| v8::Debug::ProcessDebugMessages(); |
| } |
| |
| static ScriptDebugServer* toScriptDebugServer(v8::Handle<v8::Value> data) |
| { |
| void* p = v8::Handle<v8::External>::Cast(data)->Value(); |
| return static_cast<ScriptDebugServer*>(p); |
| } |
| |
| v8::Handle<v8::Value> ScriptDebugServer::breakProgramCallback(const v8::Arguments& args) |
| { |
| ASSERT(2 == args.Length()); |
| |
| ScriptDebugServer* thisPtr = toScriptDebugServer(args.Data()); |
| v8::Handle<v8::Value> exception; |
| thisPtr->breakProgram(v8::Handle<v8::Object>::Cast(args[0]), exception); |
| return v8::Undefined(); |
| } |
| |
| void ScriptDebugServer::breakProgram(v8::Handle<v8::Object> executionState, v8::Handle<v8::Value> exception) |
| { |
| // Don't allow nested breaks. |
| if (isPaused()) |
| return; |
| |
| ScriptDebugListener* listener = getDebugListenerForContext(m_pausedContext); |
| if (!listener) |
| return; |
| |
| m_executionState.set(executionState); |
| ScriptState* currentCallFrameState = ScriptState::forContext(m_pausedContext); |
| listener->didPause(currentCallFrameState, currentCallFrame(), ScriptValue(exception)); |
| |
| m_runningNestedMessageLoop = true; |
| runMessageLoopOnPause(m_pausedContext); |
| m_runningNestedMessageLoop = false; |
| } |
| |
| void ScriptDebugServer::v8DebugEventCallback(const v8::Debug::EventDetails& eventDetails) |
| { |
| ScriptDebugServer* thisPtr = toScriptDebugServer(eventDetails.GetCallbackData()); |
| thisPtr->handleV8DebugEvent(eventDetails); |
| } |
| |
| void ScriptDebugServer::handleV8DebugEvent(const v8::Debug::EventDetails& eventDetails) |
| { |
| v8::DebugEvent event = eventDetails.GetEvent(); |
| |
| if (event == v8::BreakForCommand) { |
| ClientDataImpl* data = static_cast<ClientDataImpl*>(eventDetails.GetClientData()); |
| data->task()->run(); |
| return; |
| } |
| |
| if (event != v8::Break && event != v8::Exception && event != v8::AfterCompile && event != v8::BeforeCompile) |
| return; |
| |
| v8::Handle<v8::Context> eventContext = eventDetails.GetEventContext(); |
| ASSERT(!eventContext.IsEmpty()); |
| |
| ScriptDebugListener* listener = getDebugListenerForContext(eventContext); |
| if (listener) { |
| v8::HandleScope scope; |
| if (event == v8::BeforeCompile) { |
| |
| if (!m_scriptPreprocessor) |
| return; |
| |
| OwnPtr<ScriptPreprocessor> preprocessor(m_scriptPreprocessor.release()); |
| v8::Local<v8::Context> debugContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debugContext); |
| v8::Handle<v8::Function> getScriptSourceFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("getScriptSource"))); |
| v8::Handle<v8::Value> argv[] = { eventDetails.GetEventData() }; |
| v8::Handle<v8::Value> script = getScriptSourceFunction->Call(m_debuggerScript.get(), 1, argv); |
| |
| v8::Handle<v8::Function> getScriptNameFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("getScriptName"))); |
| v8::Handle<v8::Value> argv1[] = { eventDetails.GetEventData() }; |
| v8::Handle<v8::Value> scriptName = getScriptNameFunction->Call(m_debuggerScript.get(), 1, argv1); |
| |
| v8::Handle<v8::Function> setScriptSourceFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("setScriptSource"))); |
| String patchedScript = preprocessor->preprocessSourceCode(toWebCoreStringWithUndefinedOrNullCheck(script), toWebCoreStringWithUndefinedOrNullCheck(scriptName)); |
| |
| v8::Handle<v8::Value> argv2[] = { eventDetails.GetEventData(), v8String(patchedScript, debugContext->GetIsolate()) }; |
| setScriptSourceFunction->Call(m_debuggerScript.get(), 2, argv2); |
| m_scriptPreprocessor = preprocessor.release(); |
| } else if (event == v8::AfterCompile) { |
| v8::Context::Scope contextScope(v8::Debug::GetDebugContext()); |
| v8::Handle<v8::Function> onAfterCompileFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::NewSymbol("getAfterCompileScript"))); |
| v8::Handle<v8::Value> argv[] = { eventDetails.GetEventData() }; |
| v8::Handle<v8::Value> value = onAfterCompileFunction->Call(m_debuggerScript.get(), 1, argv); |
| ASSERT(value->IsObject()); |
| v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value); |
| dispatchDidParseSource(listener, object); |
| } else if (event == v8::Break || event == v8::Exception) { |
| v8::Handle<v8::Value> exception; |
| if (event == v8::Exception) { |
| v8::Local<v8::StackTrace> stackTrace = v8::StackTrace::CurrentStackTrace(1); |
| // Stack trace is empty in case of syntax error. Silently continue execution in such cases. |
| if (!stackTrace->GetFrameCount()) |
| return; |
| v8::Handle<v8::Object> eventData = eventDetails.GetEventData(); |
| v8::Handle<v8::Value> exceptionGetterValue = eventData->Get(v8::String::NewSymbol("exception")); |
| ASSERT(!exceptionGetterValue.IsEmpty() && exceptionGetterValue->IsFunction()); |
| v8::Handle<v8::Value> argv[] = { v8Undefined() }; |
| V8RecursionScope::MicrotaskSuppression scope; |
| exception = v8::Handle<v8::Function>::Cast(exceptionGetterValue)->Call(eventData, 0, argv); |
| } |
| |
| m_pausedContext = *eventContext; |
| breakProgram(eventDetails.GetExecutionState(), exception); |
| m_pausedContext.Clear(); |
| } |
| } |
| } |
| |
| void ScriptDebugServer::dispatchDidParseSource(ScriptDebugListener* listener, v8::Handle<v8::Object> object) |
| { |
| String sourceID = toWebCoreStringWithUndefinedOrNullCheck(object->Get(v8::String::NewSymbol("id"))); |
| |
| ScriptDebugListener::Script script; |
| script.url = toWebCoreStringWithUndefinedOrNullCheck(object->Get(v8::String::NewSymbol("name"))); |
| script.source = toWebCoreStringWithUndefinedOrNullCheck(object->Get(v8::String::NewSymbol("source"))); |
| script.sourceMappingURL = toWebCoreStringWithUndefinedOrNullCheck(object->Get(v8::String::NewSymbol("sourceMappingURL"))); |
| script.startLine = object->Get(v8::String::NewSymbol("startLine"))->ToInteger()->Value(); |
| script.startColumn = object->Get(v8::String::NewSymbol("startColumn"))->ToInteger()->Value(); |
| script.endLine = object->Get(v8::String::NewSymbol("endLine"))->ToInteger()->Value(); |
| script.endColumn = object->Get(v8::String::NewSymbol("endColumn"))->ToInteger()->Value(); |
| script.isContentScript = object->Get(v8::String::NewSymbol("isContentScript"))->ToBoolean()->Value(); |
| |
| listener->didParseSource(sourceID, script); |
| } |
| |
| void ScriptDebugServer::ensureDebuggerScriptCompiled() |
| { |
| if (m_debuggerScript.get().IsEmpty()) { |
| v8::HandleScope scope; |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| v8::Context::Scope contextScope(debuggerContext); |
| String debuggerScriptSource(reinterpret_cast<const char*>(DebuggerScriptSource_js), sizeof(DebuggerScriptSource_js)); |
| V8RecursionScope::MicrotaskSuppression recursionScope; |
| m_debuggerScript.set(v8::Handle<v8::Object>::Cast(v8::Script::Compile(v8String(debuggerScriptSource, debuggerContext->GetIsolate()))->Run())); |
| } |
| } |
| |
| v8::Local<v8::Value> ScriptDebugServer::functionScopes(v8::Handle<v8::Function> function) |
| { |
| ensureDebuggerScriptCompiled(); |
| |
| v8::Handle<v8::Value> argv[] = { function }; |
| return callDebuggerMethod("getFunctionScopes", 1, argv); |
| } |
| |
| v8::Local<v8::Value> ScriptDebugServer::getInternalProperties(v8::Handle<v8::Object>& object) |
| { |
| if (m_debuggerScript.get().IsEmpty()) |
| return *v8::Undefined(); |
| |
| v8::Handle<v8::Value> argv[] = { object }; |
| return callDebuggerMethod("getInternalProperties", 1, argv); |
| } |
| |
| v8::Local<v8::Value> ScriptDebugServer::setFunctionVariableValue(v8::Handle<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Handle<v8::Value> newValue) |
| { |
| v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext(); |
| if (m_debuggerScript.get().IsEmpty()) |
| return *(v8::ThrowException(v8::String::New("Debugging is not enabled."))); |
| |
| v8::Handle<v8::Value> argv[] = { |
| functionValue, |
| v8::Handle<v8::Value>(v8::Integer::New(scopeNumber)), |
| v8String(variableName, debuggerContext->GetIsolate()), |
| newValue |
| }; |
| return callDebuggerMethod("setFunctionVariableValue", 4, argv); |
| } |
| |
| |
| bool ScriptDebugServer::isPaused() |
| { |
| return !m_executionState.get().IsEmpty(); |
| } |
| |
| void ScriptDebugServer::compileScript(ScriptState* state, const String& expression, const String& sourceURL, String* scriptId, String* exceptionMessage) |
| { |
| v8::HandleScope handleScope; |
| v8::Handle<v8::Context> context = state->context(); |
| if (context.IsEmpty()) |
| return; |
| v8::Context::Scope contextScope(context); |
| |
| v8::Handle<v8::String> code = v8String(expression, context->GetIsolate()); |
| v8::TryCatch tryCatch; |
| |
| v8::ScriptOrigin origin(v8String(sourceURL, context->GetIsolate()), v8Integer(0, context->GetIsolate()), v8Integer(0, context->GetIsolate())); |
| v8::Handle<v8::Script> script = v8::Script::New(code, &origin); |
| |
| if (tryCatch.HasCaught()) { |
| v8::Local<v8::Message> message = tryCatch.Message(); |
| if (!message.IsEmpty()) |
| *exceptionMessage = toWebCoreStringWithUndefinedOrNullCheck(message->Get()); |
| return; |
| } |
| if (script.IsEmpty()) |
| return; |
| |
| *scriptId = toWebCoreStringWithUndefinedOrNullCheck(script->Id()); |
| m_compiledScripts.set(*scriptId, adoptPtr(new ScopedPersistent<v8::Script>(script))); |
| } |
| |
| void ScriptDebugServer::clearCompiledScripts() |
| { |
| m_compiledScripts.clear(); |
| } |
| |
| void ScriptDebugServer::runScript(ScriptState* state, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionMessage) |
| { |
| if (!m_compiledScripts.contains(scriptId)) |
| return; |
| v8::HandleScope handleScope; |
| ScopedPersistent<v8::Script>* scriptHandle = m_compiledScripts.get(scriptId); |
| v8::Local<v8::Script> script = v8::Local<v8::Script>::New(scriptHandle->get()); |
| m_compiledScripts.remove(scriptId); |
| if (script.IsEmpty()) |
| return; |
| |
| v8::Handle<v8::Context> context = state->context(); |
| if (context.IsEmpty()) |
| return; |
| v8::Context::Scope contextScope(context); |
| |
| v8::Local<v8::Value> value; |
| v8::TryCatch tryCatch; |
| { |
| V8RecursionScope recursionScope(state->scriptExecutionContext()); |
| value = script->Run(); |
| } |
| |
| *wasThrown = false; |
| if (tryCatch.HasCaught()) { |
| *wasThrown = true; |
| *result = ScriptValue(tryCatch.Exception()); |
| v8::Local<v8::Message> message = tryCatch.Message(); |
| if (!message.IsEmpty()) |
| *exceptionMessage = toWebCoreStringWithUndefinedOrNullCheck(message->Get()); |
| } else |
| *result = ScriptValue(value); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(JAVASCRIPT_DEBUGGER) |