Index: Source/bindings/v8/WorkerScriptController.cpp |
diff --git a/Source/bindings/v8/WorkerScriptController.cpp b/Source/bindings/v8/WorkerScriptController.cpp |
deleted file mode 100644 |
index 8cf2eb2743f2cf19c46dd118267a9a777ac7d5da..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/WorkerScriptController.cpp |
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@@ -1,267 +0,0 @@ |
-/* |
- * Copyright (C) 2009, 2012 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 "bindings/v8/WorkerScriptController.h" |
- |
-#include "bindings/core/v8/V8DedicatedWorkerGlobalScope.h" |
-#include "bindings/core/v8/V8SharedWorkerGlobalScope.h" |
-#include "bindings/core/v8/V8WorkerGlobalScope.h" |
-#include "bindings/modules/v8/V8ServiceWorkerGlobalScope.h" |
-#include "bindings/v8/ScriptSourceCode.h" |
-#include "bindings/v8/ScriptValue.h" |
-#include "bindings/v8/V8ErrorHandler.h" |
-#include "bindings/v8/V8GCController.h" |
-#include "bindings/v8/V8Initializer.h" |
-#include "bindings/v8/V8ObjectConstructor.h" |
-#include "bindings/v8/V8ScriptRunner.h" |
-#include "bindings/v8/WrapperTypeInfo.h" |
-#include "core/events/ErrorEvent.h" |
-#include "core/frame/DOMTimer.h" |
-#include "core/inspector/ScriptCallStack.h" |
-#include "core/workers/SharedWorkerGlobalScope.h" |
-#include "core/workers/WorkerGlobalScope.h" |
-#include "core/workers/WorkerObjectProxy.h" |
-#include "core/workers/WorkerThread.h" |
-#include "platform/heap/ThreadState.h" |
-#include <v8.h> |
- |
-#include "public/platform/Platform.h" |
-#include "public/platform/WebWorkerRunLoop.h" |
- |
-namespace WebCore { |
- |
-WorkerScriptController::WorkerScriptController(WorkerGlobalScope& workerGlobalScope) |
- : m_isolate(v8::Isolate::New()) |
- , m_workerGlobalScope(workerGlobalScope) |
- , m_executionForbidden(false) |
- , m_executionScheduledToTerminate(false) |
-{ |
- m_isolate->Enter(); |
- V8Initializer::initializeWorker(m_isolate); |
- v8::V8::Initialize(); |
- V8PerIsolateData::ensureInitialized(m_isolate); |
- m_world = DOMWrapperWorld::create(WorkerWorldId); |
- m_interruptor = adoptPtr(new V8IsolateInterruptor(m_isolate)); |
- ThreadState::current()->addInterruptor(m_interruptor.get()); |
-} |
- |
-// We need to postpone V8 Isolate destruction until the very end of |
-// worker thread finalization when all objects on the worker heap |
-// are destroyed. |
-class IsolateCleanupTask : public ThreadState::CleanupTask { |
-public: |
- static PassOwnPtr<IsolateCleanupTask> create(v8::Isolate* isolate) |
- { |
- return adoptPtr(new IsolateCleanupTask(isolate)); |
- } |
- |
- virtual void postCleanup() |
- { |
- V8PerIsolateData::dispose(m_isolate); |
- m_isolate->Exit(); |
- m_isolate->Dispose(); |
- } |
- |
-private: |
- explicit IsolateCleanupTask(v8::Isolate* isolate) : m_isolate(isolate) { } |
- |
- v8::Isolate* m_isolate; |
-}; |
- |
-WorkerScriptController::~WorkerScriptController() |
-{ |
- ThreadState::current()->removeInterruptor(m_interruptor.get()); |
- |
- m_world->dispose(); |
- |
- // The corresponding call to didStartWorkerRunLoop is in |
- // WorkerThread::workerThread(). |
- // See http://webkit.org/b/83104#c14 for why this is here. |
- blink::Platform::current()->didStopWorkerRunLoop(blink::WebWorkerRunLoop(&m_workerGlobalScope.thread()->runLoop())); |
- |
- if (isContextInitialized()) |
- m_scriptState->disposePerContextData(); |
- |
- ThreadState::current()->addCleanupTask(IsolateCleanupTask::create(m_isolate)); |
-} |
- |
-bool WorkerScriptController::initializeContextIfNeeded() |
-{ |
- v8::HandleScope handleScope(m_isolate); |
- |
- if (isContextInitialized()) |
- return true; |
- |
- v8::Handle<v8::Context> context = v8::Context::New(m_isolate); |
- if (context.IsEmpty()) |
- return false; |
- |
- m_scriptState = ScriptState::create(context, m_world); |
- |
- ScriptState::Scope scope(m_scriptState.get()); |
- |
- // Set DebugId for the new context. |
- context->SetEmbedderData(0, v8AtomicString(m_isolate, "worker")); |
- |
- // Create a new JS object and use it as the prototype for the shadow global object. |
- const WrapperTypeInfo* contextType = &V8DedicatedWorkerGlobalScope::wrapperTypeInfo; |
- if (m_workerGlobalScope.isServiceWorkerGlobalScope()) |
- contextType = &V8ServiceWorkerGlobalScope::wrapperTypeInfo; |
- else if (!m_workerGlobalScope.isDedicatedWorkerGlobalScope()) |
- contextType = &V8SharedWorkerGlobalScope::wrapperTypeInfo; |
- v8::Handle<v8::Function> workerGlobalScopeConstructor = m_scriptState->perContextData()->constructorForType(contextType); |
- v8::Local<v8::Object> jsWorkerGlobalScope = V8ObjectConstructor::newInstance(m_isolate, workerGlobalScopeConstructor); |
- if (jsWorkerGlobalScope.IsEmpty()) { |
- m_scriptState->disposePerContextData(); |
- return false; |
- } |
- |
- V8DOMWrapper::associateObjectWithWrapper<V8WorkerGlobalScope>(PassRefPtrWillBeRawPtr<WorkerGlobalScope>(&m_workerGlobalScope), contextType, jsWorkerGlobalScope, m_isolate, WrapperConfiguration::Dependent); |
- |
- // Insert the object instance as the prototype of the shadow object. |
- v8::Handle<v8::Object> globalObject = v8::Handle<v8::Object>::Cast(m_scriptState->context()->Global()->GetPrototype()); |
- globalObject->SetPrototype(jsWorkerGlobalScope); |
- |
- return true; |
-} |
- |
-ScriptValue WorkerScriptController::evaluate(const String& script, const String& fileName, const TextPosition& scriptStartPosition, WorkerGlobalScopeExecutionState* state) |
-{ |
- if (!initializeContextIfNeeded()) |
- return ScriptValue(); |
- |
- ScriptState::Scope scope(m_scriptState.get()); |
- |
- if (!m_disableEvalPending.isEmpty()) { |
- m_scriptState->context()->AllowCodeGenerationFromStrings(false); |
- m_scriptState->context()->SetErrorMessageForCodeGenerationFromStrings(v8String(m_isolate, m_disableEvalPending)); |
- m_disableEvalPending = String(); |
- } |
- |
- v8::TryCatch block; |
- |
- v8::Handle<v8::String> scriptString = v8String(m_isolate, script); |
- v8::Handle<v8::Script> compiledScript = V8ScriptRunner::compileScript(scriptString, fileName, scriptStartPosition, 0, m_isolate); |
- v8::Local<v8::Value> result = V8ScriptRunner::runCompiledScript(compiledScript, &m_workerGlobalScope, m_isolate); |
- |
- if (!block.CanContinue()) { |
- m_workerGlobalScope.script()->forbidExecution(); |
- return ScriptValue(); |
- } |
- |
- if (block.HasCaught()) { |
- v8::Local<v8::Message> message = block.Message(); |
- state->hadException = true; |
- state->errorMessage = toCoreString(message->Get()); |
- state->lineNumber = message->GetLineNumber(); |
- state->columnNumber = message->GetStartColumn() + 1; |
- TOSTRING_DEFAULT(V8StringResource<>, sourceURL, message->GetScriptOrigin().ResourceName(), ScriptValue()); |
- state->sourceURL = sourceURL; |
- state->exception = ScriptValue(m_scriptState.get(), block.Exception()); |
- block.Reset(); |
- } else |
- state->hadException = false; |
- |
- if (result.IsEmpty() || result->IsUndefined()) |
- return ScriptValue(); |
- |
- return ScriptValue(m_scriptState.get(), result); |
-} |
- |
-void WorkerScriptController::evaluate(const ScriptSourceCode& sourceCode, RefPtrWillBeRawPtr<ErrorEvent>* errorEvent) |
-{ |
- if (isExecutionForbidden()) |
- return; |
- |
- WorkerGlobalScopeExecutionState state; |
- evaluate(sourceCode.source(), sourceCode.url().string(), sourceCode.startPosition(), &state); |
- if (state.hadException) { |
- if (errorEvent) { |
- *errorEvent = m_workerGlobalScope.shouldSanitizeScriptError(state.sourceURL, NotSharableCrossOrigin) ? |
- ErrorEvent::createSanitizedError(m_world.get()) : ErrorEvent::create(state.errorMessage, state.sourceURL, state.lineNumber, state.columnNumber, m_world.get()); |
- V8ErrorHandler::storeExceptionOnErrorEventWrapper(errorEvent->get(), state.exception.v8Value(), m_scriptState->context()->Global(), m_isolate); |
- } else { |
- ASSERT(!m_workerGlobalScope.shouldSanitizeScriptError(state.sourceURL, NotSharableCrossOrigin)); |
- RefPtrWillBeRawPtr<ErrorEvent> event = nullptr; |
- if (m_errorEventFromImportedScript) { |
- event = m_errorEventFromImportedScript.release(); |
- } else { |
- event = ErrorEvent::create(state.errorMessage, state.sourceURL, state.lineNumber, state.columnNumber, m_world.get()); |
- } |
- m_workerGlobalScope.reportException(event, nullptr, NotSharableCrossOrigin); |
- } |
- } |
-} |
- |
-void WorkerScriptController::scheduleExecutionTermination() |
-{ |
- // The mutex provides a memory barrier to ensure that once |
- // termination is scheduled, isExecutionTerminating will |
- // accurately reflect that state when called from another thread. |
- { |
- MutexLocker locker(m_scheduledTerminationMutex); |
- m_executionScheduledToTerminate = true; |
- } |
- v8::V8::TerminateExecution(m_isolate); |
-} |
- |
-bool WorkerScriptController::isExecutionTerminating() const |
-{ |
- // See comments in scheduleExecutionTermination regarding mutex usage. |
- MutexLocker locker(m_scheduledTerminationMutex); |
- return m_executionScheduledToTerminate; |
-} |
- |
-void WorkerScriptController::forbidExecution() |
-{ |
- ASSERT(m_workerGlobalScope.isContextThread()); |
- m_executionForbidden = true; |
-} |
- |
-bool WorkerScriptController::isExecutionForbidden() const |
-{ |
- ASSERT(m_workerGlobalScope.isContextThread()); |
- return m_executionForbidden; |
-} |
- |
-void WorkerScriptController::disableEval(const String& errorMessage) |
-{ |
- m_disableEvalPending = errorMessage; |
-} |
- |
-void WorkerScriptController::rethrowExceptionFromImportedScript(PassRefPtrWillBeRawPtr<ErrorEvent> errorEvent) |
-{ |
- m_errorEventFromImportedScript = errorEvent; |
- throwError(V8ThrowException::createError(v8GeneralError, m_errorEventFromImportedScript->message(), m_isolate), m_isolate); |
-} |
- |
-} // namespace WebCore |