Index: Source/bindings/v8/V8Initializer.cpp |
diff --git a/Source/bindings/v8/V8Initializer.cpp b/Source/bindings/v8/V8Initializer.cpp |
deleted file mode 100644 |
index 6d83e655350424260a7d948d858a7a96e356c31b..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/V8Initializer.cpp |
+++ /dev/null |
@@ -1,251 +0,0 @@ |
-/* |
- * Copyright (C) 2009 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. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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. |
- */ |
- |
-#include "config.h" |
-#include "bindings/v8/V8Initializer.h" |
- |
-#include "bindings/core/v8/V8DOMException.h" |
-#include "bindings/core/v8/V8ErrorEvent.h" |
-#include "bindings/core/v8/V8History.h" |
-#include "bindings/core/v8/V8Location.h" |
-#include "bindings/core/v8/V8Window.h" |
-#include "bindings/v8/DOMWrapperWorld.h" |
-#include "bindings/v8/ScriptCallStackFactory.h" |
-#include "bindings/v8/ScriptController.h" |
-#include "bindings/v8/ScriptProfiler.h" |
-#include "bindings/v8/V8Binding.h" |
-#include "bindings/v8/V8ErrorHandler.h" |
-#include "bindings/v8/V8GCController.h" |
-#include "bindings/v8/V8PerContextData.h" |
-#include "core/dom/Document.h" |
-#include "core/dom/ExceptionCode.h" |
-#include "core/frame/ConsoleTypes.h" |
-#include "core/frame/LocalDOMWindow.h" |
-#include "core/frame/LocalFrame.h" |
-#include "core/frame/csp/ContentSecurityPolicy.h" |
-#include "core/inspector/ScriptCallStack.h" |
-#include "platform/TraceEvent.h" |
-#include "public/platform/Platform.h" |
-#include "wtf/RefPtr.h" |
-#include "wtf/text/WTFString.h" |
-#include <v8-debug.h> |
- |
-namespace WebCore { |
- |
-static LocalFrame* findFrame(v8::Local<v8::Object> host, v8::Local<v8::Value> data, v8::Isolate* isolate) |
-{ |
- const WrapperTypeInfo* type = WrapperTypeInfo::unwrap(data); |
- |
- if (V8Window::wrapperTypeInfo.equals(type)) { |
- v8::Handle<v8::Object> windowWrapper = V8Window::findInstanceInPrototypeChain(host, isolate); |
- if (windowWrapper.IsEmpty()) |
- return 0; |
- return V8Window::toNative(windowWrapper)->frame(); |
- } |
- |
- if (V8History::wrapperTypeInfo.equals(type)) |
- return V8History::toNative(host)->frame(); |
- |
- if (V8Location::wrapperTypeInfo.equals(type)) |
- return V8Location::toNative(host)->frame(); |
- |
- // This function can handle only those types listed above. |
- ASSERT_NOT_REACHED(); |
- return 0; |
-} |
- |
-static void reportFatalErrorInMainThread(const char* location, const char* message) |
-{ |
- int memoryUsageMB = blink::Platform::current()->actualMemoryUsageMB(); |
- printf("V8 error: %s (%s). Current memory usage: %d MB\n", message, location, memoryUsageMB); |
- CRASH(); |
-} |
- |
-static void messageHandlerInMainThread(v8::Handle<v8::Message> message, v8::Handle<v8::Value> data) |
-{ |
- ASSERT(isMainThread()); |
- // It's possible that messageHandlerInMainThread() is invoked while we're initializing a window. |
- // In that half-baked situation, we don't have a valid context nor a valid world, |
- // so just return immediately. |
- if (DOMWrapperWorld::windowIsBeingInitialized()) |
- return; |
- |
- v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
- // If called during context initialization, there will be no entered window. |
- LocalDOMWindow* enteredWindow = enteredDOMWindow(isolate); |
- if (!enteredWindow || !enteredWindow->isCurrentlyDisplayedInFrame()) |
- return; |
- |
- String errorMessage = toCoreString(message->Get()); |
- |
- v8::Handle<v8::StackTrace> stackTrace = message->GetStackTrace(); |
- RefPtrWillBeRawPtr<ScriptCallStack> callStack = nullptr; |
- // Currently stack trace is only collected when inspector is open. |
- if (!stackTrace.IsEmpty() && stackTrace->GetFrameCount() > 0) |
- callStack = createScriptCallStack(stackTrace, ScriptCallStack::maxCallStackSizeToCapture, isolate); |
- |
- v8::Handle<v8::Value> resourceName = message->GetScriptOrigin().ResourceName(); |
- bool shouldUseDocumentURL = resourceName.IsEmpty() || !resourceName->IsString(); |
- String resource = shouldUseDocumentURL ? enteredWindow->document()->url() : toCoreString(resourceName.As<v8::String>()); |
- AccessControlStatus corsStatus = message->IsSharedCrossOrigin() ? SharableCrossOrigin : NotSharableCrossOrigin; |
- |
- ScriptState* scriptState = ScriptState::current(isolate); |
- RefPtrWillBeRawPtr<ErrorEvent> event = ErrorEvent::create(errorMessage, resource, message->GetLineNumber(), message->GetStartColumn() + 1, &scriptState->world()); |
- if (V8DOMWrapper::isDOMWrapper(data)) { |
- v8::Handle<v8::Object> obj = v8::Handle<v8::Object>::Cast(data); |
- const WrapperTypeInfo* type = toWrapperTypeInfo(obj); |
- if (V8DOMException::wrapperTypeInfo.isSubclass(type)) { |
- DOMException* exception = V8DOMException::toNative(obj); |
- if (exception && !exception->messageForConsole().isEmpty()) |
- event->setUnsanitizedMessage("Uncaught " + exception->toStringForConsole()); |
- } |
- } |
- |
- // This method might be called while we're creating a new context. In this case, we |
- // avoid storing the exception object, as we can't create a wrapper during context creation. |
- // FIXME: Can we even get here during initialization now that we bail out when GetEntered returns an empty handle? |
- LocalFrame* frame = enteredWindow->document()->frame(); |
- if (frame && frame->script().existingWindowShell(scriptState->world())) { |
- V8ErrorHandler::storeExceptionOnErrorEventWrapper(event.get(), data, scriptState->context()->Global(), isolate); |
- } |
- enteredWindow->document()->reportException(event.release(), callStack, corsStatus); |
-} |
- |
-static void failedAccessCheckCallbackInMainThread(v8::Local<v8::Object> host, v8::AccessType type, v8::Local<v8::Value> data) |
-{ |
- v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
- LocalFrame* target = findFrame(host, data, isolate); |
- if (!target) |
- return; |
- LocalDOMWindow* targetWindow = target->domWindow(); |
- |
- // FIXME: We should modify V8 to pass in more contextual information (context, property, and object). |
- ExceptionState exceptionState(ExceptionState::UnknownContext, 0, 0, isolate->GetCurrentContext()->Global(), isolate); |
- exceptionState.throwSecurityError(targetWindow->sanitizedCrossDomainAccessErrorMessage(callingDOMWindow(isolate)), targetWindow->crossDomainAccessErrorMessage(callingDOMWindow(isolate))); |
- exceptionState.throwIfNeeded(); |
-} |
- |
-static bool codeGenerationCheckCallbackInMainThread(v8::Local<v8::Context> context) |
-{ |
- if (ExecutionContext* executionContext = toExecutionContext(context)) { |
- if (ContentSecurityPolicy* policy = toDocument(executionContext)->contentSecurityPolicy()) |
- return policy->allowEval(ScriptState::from(context)); |
- } |
- return false; |
-} |
- |
-static void timerTraceProfilerInMainThread(const char* name, int status) |
-{ |
- if (!status) { |
- TRACE_EVENT_BEGIN0("v8", name); |
- } else { |
- TRACE_EVENT_END0("v8", name); |
- } |
-} |
- |
-static void initializeV8Common(v8::Isolate* isolate) |
-{ |
- v8::ResourceConstraints constraints; |
- constraints.ConfigureDefaults(static_cast<uint64_t>(blink::Platform::current()->physicalMemoryMB()) << 20, static_cast<uint32_t>(blink::Platform::current()->virtualMemoryLimitMB()) << 20, static_cast<uint32_t>(blink::Platform::current()->numberOfProcessors())); |
- v8::SetResourceConstraints(isolate, &constraints); |
- |
- v8::V8::AddGCPrologueCallback(V8GCController::gcPrologue); |
- v8::V8::AddGCEpilogueCallback(V8GCController::gcEpilogue); |
- |
- v8::Debug::SetLiveEditEnabled(isolate, false); |
- |
- isolate->SetAutorunMicrotasks(false); |
-} |
- |
-void V8Initializer::initializeMainThreadIfNeeded(v8::Isolate* isolate) |
-{ |
- ASSERT(isMainThread()); |
- |
- static bool initialized = false; |
- if (initialized) |
- return; |
- initialized = true; |
- |
- initializeV8Common(isolate); |
- |
- v8::V8::SetFatalErrorHandler(reportFatalErrorInMainThread); |
- V8PerIsolateData::ensureInitialized(isolate); |
- v8::V8::AddMessageListener(messageHandlerInMainThread); |
- v8::V8::SetFailedAccessCheckCallbackFunction(failedAccessCheckCallbackInMainThread); |
- v8::V8::SetAllowCodeGenerationFromStringsCallback(codeGenerationCheckCallbackInMainThread); |
- |
- isolate->SetEventLogger(timerTraceProfilerInMainThread); |
- |
- ScriptProfiler::initialize(); |
-} |
- |
-static void reportFatalErrorInWorker(const char* location, const char* message) |
-{ |
- // FIXME: We temporarily deal with V8 internal error situations such as out-of-memory by crashing the worker. |
- CRASH(); |
-} |
- |
-static void messageHandlerInWorker(v8::Handle<v8::Message> message, v8::Handle<v8::Value> data) |
-{ |
- static bool isReportingException = false; |
- // Exceptions that occur in error handler should be ignored since in that case |
- // WorkerGlobalScope::reportException will send the exception to the worker object. |
- if (isReportingException) |
- return; |
- isReportingException = true; |
- |
- v8::Isolate* isolate = v8::Isolate::GetCurrent(); |
- ScriptState* scriptState = ScriptState::current(isolate); |
- // During the frame teardown, there may not be a valid context. |
- if (ExecutionContext* context = scriptState->executionContext()) { |
- String errorMessage = toCoreString(message->Get()); |
- TOSTRING_VOID(V8StringResource<>, sourceURL, message->GetScriptOrigin().ResourceName()); |
- |
- RefPtrWillBeRawPtr<ErrorEvent> event = ErrorEvent::create(errorMessage, sourceURL, message->GetLineNumber(), message->GetStartColumn() + 1, &DOMWrapperWorld::current(isolate)); |
- AccessControlStatus corsStatus = message->IsSharedCrossOrigin() ? SharableCrossOrigin : NotSharableCrossOrigin; |
- |
- V8ErrorHandler::storeExceptionOnErrorEventWrapper(event.get(), data, scriptState->context()->Global(), isolate); |
- context->reportException(event.release(), nullptr, corsStatus); |
- } |
- |
- isReportingException = false; |
-} |
- |
-static const int kWorkerMaxStackSize = 500 * 1024; |
- |
-void V8Initializer::initializeWorker(v8::Isolate* isolate) |
-{ |
- initializeV8Common(isolate); |
- |
- v8::V8::AddMessageListener(messageHandlerInWorker); |
- v8::V8::SetFatalErrorHandler(reportFatalErrorInWorker); |
- |
- v8::ResourceConstraints resourceConstraints; |
- uint32_t here; |
- resourceConstraints.set_stack_limit(&here - kWorkerMaxStackSize / sizeof(uint32_t*)); |
- v8::SetResourceConstraints(isolate, &resourceConstraints); |
-} |
- |
-} // namespace WebCore |