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Diffstat (limited to 'src/javascript/jsc/bindings/JSDOMWrapperCache.h')
-rw-r--r-- | src/javascript/jsc/bindings/JSDOMWrapperCache.h | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/src/javascript/jsc/bindings/JSDOMWrapperCache.h b/src/javascript/jsc/bindings/JSDOMWrapperCache.h deleted file mode 100644 index 7656c7c17..000000000 --- a/src/javascript/jsc/bindings/JSDOMWrapperCache.h +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) - * Copyright (C) 2003-2006, 2008-2009, 2013, 2016 Apple Inc. All rights reserved. - * Copyright (C) 2007 Samuel Weinig <sam@webkit.org> - * Copyright (C) 2009 Google, Inc. All rights reserved. - * Copyright (C) 2012 Ericsson AB. All rights reserved. - * Copyright (C) 2013 Michael Pruett <michael@68k.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#pragma once - -#include "DOMWrapperWorld.h" -#include "JSDOMGlobalObject.h" -#include "JSDOMWrapper.h" -#include "ScriptWrappable.h" -#include "ScriptWrappableInlines.h" -#include "WebCoreTypedArrayController.h" -#include <JavaScriptCore/JSArrayBuffer.h> -#include <JavaScriptCore/TypedArrayInlines.h> -#include <JavaScriptCore/Weak.h> -#include <JavaScriptCore/WeakInlines.h> - -namespace WebCore { - -WEBCORE_EXPORT JSC::Structure* getCachedDOMStructure(const JSDOMGlobalObject&, const JSC::ClassInfo*); -WEBCORE_EXPORT JSC::Structure* cacheDOMStructure(JSDOMGlobalObject&, JSC::Structure*, const JSC::ClassInfo*); - -template<typename WrapperClass> JSC::Structure* getDOMStructure(JSC::VM&, JSDOMGlobalObject&); -template<typename WrapperClass> JSC::Structure* deprecatedGetDOMStructure(JSC::JSGlobalObject*); -template<typename WrapperClass> JSC::JSObject* getDOMPrototype(JSC::VM&, JSC::JSGlobalObject*); - -JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld&, JSC::ArrayBuffer*); -void* wrapperKey(JSC::ArrayBuffer*); - -JSDOMObject* getInlineCachedWrapper(DOMWrapperWorld&, void*); -JSDOMObject* getInlineCachedWrapper(DOMWrapperWorld&, ScriptWrappable*); -JSC::JSArrayBuffer* getInlineCachedWrapper(DOMWrapperWorld&, JSC::ArrayBuffer*); - -bool setInlineCachedWrapper(DOMWrapperWorld&, void*, JSDOMObject*, JSC::WeakHandleOwner*); -bool setInlineCachedWrapper(DOMWrapperWorld&, ScriptWrappable*, JSDOMObject* wrapper, JSC::WeakHandleOwner* wrapperOwner); -bool setInlineCachedWrapper(DOMWrapperWorld&, JSC::ArrayBuffer*, JSC::JSArrayBuffer* wrapper, JSC::WeakHandleOwner* wrapperOwner); - -bool clearInlineCachedWrapper(DOMWrapperWorld&, void*, JSDOMObject*); -bool clearInlineCachedWrapper(DOMWrapperWorld&, ScriptWrappable*, JSDOMObject* wrapper); -bool clearInlineCachedWrapper(DOMWrapperWorld&, JSC::ArrayBuffer*, JSC::JSArrayBuffer* wrapper); - -template<typename DOMClass> JSC::JSObject* getOrCreateWrapper(DOMWrapperWorld&, DOMClass&); - -template<typename DOMClass> JSC::JSObject* getCachedWrapper(DOMWrapperWorld&, DOMClass&); -template<typename DOMClass> inline JSC::JSObject* getCachedWrapper(DOMWrapperWorld& world, Ref<DOMClass>& object) { return getCachedWrapper(world, object.get()); } -template<typename DOMClass, typename WrapperClass> void cacheWrapper(DOMWrapperWorld&, DOMClass*, WrapperClass*); -template<typename DOMClass, typename WrapperClass> void uncacheWrapper(DOMWrapperWorld&, DOMClass*, WrapperClass*); -template<typename DOMClass, typename T> auto createWrapper(JSDOMGlobalObject*, Ref<T>&&) -> typename std::enable_if<std::is_same<DOMClass, T>::value, typename JSDOMWrapperConverterTraits<DOMClass>::WrapperClass*>::type; -template<typename DOMClass, typename T> auto createWrapper(JSDOMGlobalObject*, Ref<T>&&) -> typename std::enable_if<!std::is_same<DOMClass, T>::value, typename JSDOMWrapperConverterTraits<DOMClass>::WrapperClass*>::type; - -template<typename DOMClass> JSC::JSValue wrap(JSC::JSGlobalObject*, DOMWrapperWorld&, DOMClass&); -template<typename DOMClass> JSC::JSValue wrap(JSC::JSGlobalObject*, JSDOMGlobalObject*, DOMClass&); - -// Inline functions and template definitions. - -inline JSDOMGlobalObject* deprecatedGlobalObjectForPrototype(JSC::JSGlobalObject* lexicalGlobalObject) -{ - // FIXME: Callers to this function should be using the global object - // from which the object is being created, instead of assuming the lexical one. - // e.g. subframe.document.body should use the subframe's global object, not the lexical one. - return JSC::jsCast<JSDOMGlobalObject*>(lexicalGlobalObject); -} - -template<typename WrapperClass> inline JSC::Structure* getDOMStructure(JSC::VM& vm, JSDOMGlobalObject& globalObject) -{ - if (JSC::Structure* structure = getCachedDOMStructure(globalObject, WrapperClass::info())) - return structure; - return cacheDOMStructure(globalObject, WrapperClass::createStructure(vm, &globalObject, WrapperClass::createPrototype(vm, globalObject)), WrapperClass::info()); -} - -template<typename WrapperClass> inline JSC::Structure* deprecatedGetDOMStructure(JSC::JSGlobalObject* lexicalGlobalObject) -{ - // FIXME: This function is wrong. It uses the wrong global object for creating the prototype structure. - return getDOMStructure<WrapperClass>(JSC::getVM(lexicalGlobalObject), *deprecatedGlobalObjectForPrototype(lexicalGlobalObject)); -} - -template<typename WrapperClass> inline JSC::JSObject* getDOMPrototype(JSC::VM& vm, JSDOMGlobalObject& globalObject) -{ - return JSC::jsCast<JSC::JSObject*>(asObject(getDOMStructure<WrapperClass>(vm, globalObject)->storedPrototype())); -} - -inline JSC::WeakHandleOwner* wrapperOwner(DOMWrapperWorld& world, JSC::ArrayBuffer*) -{ - return static_cast<WebCoreTypedArrayController*>(world.vm().m_typedArrayController.get())->wrapperOwner(); -} - -inline void* wrapperKey(JSC::ArrayBuffer* domObject) -{ - return domObject; -} - -inline JSDOMObject* getInlineCachedWrapper(DOMWrapperWorld&, void*) { return nullptr; } -inline bool setInlineCachedWrapper(DOMWrapperWorld&, void*, JSDOMObject*, JSC::WeakHandleOwner*) { return false; } -inline bool clearInlineCachedWrapper(DOMWrapperWorld&, void*, JSDOMObject*) { return false; } - -inline JSDOMObject* getInlineCachedWrapper(DOMWrapperWorld& world, ScriptWrappable* domObject) -{ - if (!world.isNormal()) - return nullptr; - return domObject->wrapper(); -} - -inline JSC::JSArrayBuffer* getInlineCachedWrapper(DOMWrapperWorld& world, JSC::ArrayBuffer* buffer) -{ - if (!world.isNormal()) - return nullptr; - return buffer->m_wrapper.get(); -} - -inline bool setInlineCachedWrapper(DOMWrapperWorld& world, ScriptWrappable* domObject, JSDOMObject* wrapper, JSC::WeakHandleOwner* wrapperOwner) -{ - if (!world.isNormal()) - return false; - domObject->setWrapper(wrapper, wrapperOwner, &world); - return true; -} - -inline bool setInlineCachedWrapper(DOMWrapperWorld& world, JSC::ArrayBuffer* domObject, JSC::JSArrayBuffer* wrapper, JSC::WeakHandleOwner* wrapperOwner) -{ - if (!world.isNormal()) - return false; - domObject->m_wrapper = JSC::Weak<JSC::JSArrayBuffer>(wrapper, wrapperOwner, &world); - return true; -} - -inline bool clearInlineCachedWrapper(DOMWrapperWorld& world, ScriptWrappable* domObject, JSDOMObject* wrapper) -{ - if (!world.isNormal()) - return false; - domObject->clearWrapper(wrapper); - return true; -} - -inline bool clearInlineCachedWrapper(DOMWrapperWorld& world, JSC::ArrayBuffer* domObject, JSC::JSArrayBuffer* wrapper) -{ - if (!world.isNormal()) - return false; - weakClear(domObject->m_wrapper, wrapper); - return true; -} - -template<typename DOMClass> inline JSC::JSObject* getCachedWrapper(DOMWrapperWorld& world, DOMClass& domObject) -{ - if (auto* wrapper = getInlineCachedWrapper(world, &domObject)) - return wrapper; - return world.wrappers().get(wrapperKey(&domObject)); -} - -template<typename DOMClass, typename WrapperClass> inline void cacheWrapper(DOMWrapperWorld& world, DOMClass* domObject, WrapperClass* wrapper) -{ - JSC::WeakHandleOwner* owner = wrapperOwner(world, domObject); - if (setInlineCachedWrapper(world, domObject, wrapper, owner)) - return; - weakAdd(world.wrappers(), wrapperKey(domObject), JSC::Weak<JSC::JSObject>(wrapper, owner, &world)); -} - -template<typename DOMClass, typename WrapperClass> inline void uncacheWrapper(DOMWrapperWorld& world, DOMClass* domObject, WrapperClass* wrapper) -{ - if (clearInlineCachedWrapper(world, domObject, wrapper)) - return; - weakRemove(world.wrappers(), wrapperKey(domObject), wrapper); -} - -template<typename DOMClass, typename T> inline auto createWrapper(JSDOMGlobalObject* globalObject, Ref<T>&& domObject) -> typename std::enable_if<std::is_same<DOMClass, T>::value, typename JSDOMWrapperConverterTraits<DOMClass>::WrapperClass*>::type -{ - using WrapperClass = typename JSDOMWrapperConverterTraits<DOMClass>::WrapperClass; - - ASSERT(!getCachedWrapper(globalObject->world(), domObject)); - auto* domObjectPtr = domObject.ptr(); - auto* wrapper = WrapperClass::create(getDOMStructure<WrapperClass>(globalObject->vm(), *globalObject), globalObject, WTFMove(domObject)); - cacheWrapper(globalObject->world(), domObjectPtr, wrapper); - return wrapper; -} - -template<typename DOMClass, typename T> inline auto createWrapper(JSDOMGlobalObject* globalObject, Ref<T>&& domObject) -> typename std::enable_if<!std::is_same<DOMClass, T>::value, typename JSDOMWrapperConverterTraits<DOMClass>::WrapperClass*>::type -{ - return createWrapper<DOMClass>(globalObject, static_reference_cast<DOMClass>(WTFMove(domObject))); -} - -template<typename DOMClass> inline JSC::JSValue wrap(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, DOMClass& domObject) -{ - if (auto* wrapper = getCachedWrapper(globalObject->world(), domObject)) - return wrapper; - return toJSNewlyCreated(lexicalGlobalObject, globalObject, Ref<DOMClass>(domObject)); -} - -template<typename DOMClass> inline void setSubclassStructureIfNeeded(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, JSC::JSObject* jsObject) -{ - JSC::JSObject* newTarget = callFrame->newTarget().getObject(); - JSC::JSObject* constructor = callFrame->jsCallee(); - if (!newTarget || newTarget == constructor) - return; - - using WrapperClass = typename JSDOMWrapperConverterTraits<DOMClass>::WrapperClass; - - JSC::VM& vm = lexicalGlobalObject->vm(); - auto scope = DECLARE_THROW_SCOPE(vm); - - auto* functionGlobalObject = JSC::getFunctionRealm(lexicalGlobalObject, newTarget); - RETURN_IF_EXCEPTION(scope, void()); - auto* newTargetGlobalObject = JSC::jsCast<JSDOMGlobalObject*>(functionGlobalObject); - auto* baseStructure = getDOMStructure<WrapperClass>(vm, *newTargetGlobalObject); - auto* subclassStructure = JSC::InternalFunction::createSubclassStructure(lexicalGlobalObject, newTarget, baseStructure); - RETURN_IF_EXCEPTION(scope, void()); - jsObject->setStructure(vm, subclassStructure); -} - -} // namespace WebCore |