JSWorkletGlobalScope.cpp   [plain text]

/*
    This file is part of the WebKit open source project.
    This file has been generated by generate-bindings.pl. DO NOT MODIFY!

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include "config.h"
#include "JSWorkletGlobalScope.h"

#include "ActiveDOMObject.h"
#include "DOMIsoSubspaces.h"
#include "JSDOMAttribute.h"
#include "JSDOMBinding.h"
#include "JSDOMConstructorNotConstructable.h"
#include "JSDOMExceptionHandling.h"
#include "JSDOMWrapperCache.h"
#include "JSWorkletGlobalScope.h"
#include "ScriptExecutionContext.h"
#include "WebCoreJSClientData.h"
#include "WorkletGlobalScope.h"
#include <JavaScriptCore/HeapAnalyzer.h>
#include <JavaScriptCore/JSCInlines.h>
#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
#include <JavaScriptCore/SubspaceInlines.h>
#include <wtf/GetPtr.h>
#include <wtf/PointerPreparations.h>
#include <wtf/URL.h>


namespace WebCore {
using namespace JSC;

// Attributes

static JSC_DECLARE_CUSTOM_GETTER(jsWorkletGlobalScopeConstructor);
static JSC_DECLARE_CUSTOM_GETTER(jsWorkletGlobalScope_WorkletGlobalScopeConstructor);
static JSC_DECLARE_CUSTOM_SETTER(setJSWorkletGlobalScope_WorkletGlobalScopeConstructor);

using JSWorkletGlobalScopeDOMConstructor = JSDOMConstructorNotConstructable<JSWorkletGlobalScope>;

/* Hash table */

static const struct CompactHashIndex JSWorkletGlobalScopeTableIndex[2] = {
    { 0, -1 },
    { -1, -1 },
};


static const HashTableValue JSWorkletGlobalScopeTableValues[] =
{
    { "WorkletGlobalScope", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkletGlobalScope_WorkletGlobalScopeConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkletGlobalScope_WorkletGlobalScopeConstructor) } },
};

static const HashTable JSWorkletGlobalScopeTable = { 1, 1, true, JSWorkletGlobalScope::info(), JSWorkletGlobalScopeTableValues, JSWorkletGlobalScopeTableIndex };
template<> JSValue JSWorkletGlobalScopeDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
{
    return JSEventTarget::getConstructor(vm, &globalObject);
}

template<> void JSWorkletGlobalScopeDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
{
    putDirect(vm, vm.propertyNames->prototype, JSWorkletGlobalScope::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
    putDirect(vm, vm.propertyNames->name, jsNontrivialString(vm, "WorkletGlobalScope"_s), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
    putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
}

template<> const ClassInfo JSWorkletGlobalScopeDOMConstructor::s_info = { "WorkletGlobalScope", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSWorkletGlobalScopeDOMConstructor) };

/* Hash table for prototype */

static const struct CompactHashIndex JSWorkletGlobalScopePrototypeTableIndex[2] = {
    { -1, -1 },
    { 0, -1 },
};


static const HashTableValue JSWorkletGlobalScopePrototypeTableValues[] =
{
    { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkletGlobalScopeConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
};

static const HashTable JSWorkletGlobalScopePrototypeTable = { 1, 1, true, JSWorkletGlobalScope::info(), JSWorkletGlobalScopePrototypeTableValues, JSWorkletGlobalScopePrototypeTableIndex };
const ClassInfo JSWorkletGlobalScopePrototype::s_info = { "WorkletGlobalScope", &Base::s_info, &JSWorkletGlobalScopePrototypeTable, nullptr, CREATE_METHOD_TABLE(JSWorkletGlobalScopePrototype) };

void JSWorkletGlobalScopePrototype::finishCreation(VM& vm)
{
    Base::finishCreation(vm);
    reifyStaticProperties(vm, JSWorkletGlobalScope::info(), JSWorkletGlobalScopePrototypeTableValues, *this);
    JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
}

const ClassInfo JSWorkletGlobalScope::s_info = { "WorkletGlobalScope", &Base::s_info, &JSWorkletGlobalScopeTable, nullptr, CREATE_METHOD_TABLE(JSWorkletGlobalScope) };

JSWorkletGlobalScope::JSWorkletGlobalScope(VM& vm, Structure* structure, Ref<WorkletGlobalScope>&& impl)
    : JSEventTarget(vm, structure, WTFMove(impl))
{
}

void JSWorkletGlobalScope::finishCreation(VM& vm, JSProxy* proxy)
{
    Base::finishCreation(vm, proxy);

    static_assert(!std::is_base_of<ActiveDOMObject, WorkletGlobalScope>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");

}

JSObject* JSWorkletGlobalScope::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
{
    return JSWorkletGlobalScopePrototype::create(vm, &globalObject, JSWorkletGlobalScopePrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject)));
}

JSObject* JSWorkletGlobalScope::prototype(VM& vm, JSDOMGlobalObject& globalObject)
{
    return getDOMPrototype<JSWorkletGlobalScope>(vm, globalObject);
}

JSValue JSWorkletGlobalScope::getConstructor(VM& vm, const JSGlobalObject* globalObject)
{
    return getDOMConstructor<JSWorkletGlobalScopeDOMConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
}

template<> inline JSWorkletGlobalScope* IDLAttribute<JSWorkletGlobalScope>::cast(JSGlobalObject& lexicalGlobalObject, EncodedJSValue thisValue)
{
    return jsDynamicCast<JSWorkletGlobalScope*>(JSC::getVM(&lexicalGlobalObject), JSValue::decode(thisValue));
}

JSC_DEFINE_CUSTOM_GETTER(jsWorkletGlobalScopeConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
{
    VM& vm = JSC::getVM(lexicalGlobalObject);
    auto throwScope = DECLARE_THROW_SCOPE(vm);
    auto* prototype = jsDynamicCast<JSWorkletGlobalScopePrototype*>(vm, JSValue::decode(thisValue));
    if (UNLIKELY(!prototype))
        return throwVMTypeError(lexicalGlobalObject, throwScope);
    return JSValue::encode(JSWorkletGlobalScope::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
}

static inline JSValue jsWorkletGlobalScope_WorkletGlobalScopeConstructorGetter(JSGlobalObject& lexicalGlobalObject, JSWorkletGlobalScope& thisObject)
{
    UNUSED_PARAM(lexicalGlobalObject);
    return JSWorkletGlobalScope::getConstructor(JSC::getVM(&lexicalGlobalObject), thisObject.globalObject());
}

JSC_DEFINE_CUSTOM_GETTER(jsWorkletGlobalScope_WorkletGlobalScopeConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName))
{
    return IDLAttribute<JSWorkletGlobalScope>::get<jsWorkletGlobalScope_WorkletGlobalScopeConstructorGetter>(*lexicalGlobalObject, thisValue, "WorkletGlobalScope");
}

static inline bool setJSWorkletGlobalScope_WorkletGlobalScopeConstructorSetter(JSGlobalObject& lexicalGlobalObject, JSWorkletGlobalScope& thisObject, JSValue value)
{
    auto& vm = JSC::getVM(&lexicalGlobalObject);
    // Shadowing a built-in constructor.
    return thisObject.putDirect(vm, Identifier::fromString(vm, reinterpret_cast<const LChar*>("WorkletGlobalScope"), strlen("WorkletGlobalScope")), value);
}

JSC_DEFINE_CUSTOM_SETTER(setJSWorkletGlobalScope_WorkletGlobalScopeConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue))
{
    return IDLAttribute<JSWorkletGlobalScope>::set<setJSWorkletGlobalScope_WorkletGlobalScopeConstructorSetter>(*lexicalGlobalObject, thisValue, encodedValue, "WorkletGlobalScope");
}

JSC::IsoSubspace* JSWorkletGlobalScope::subspaceForImpl(JSC::VM& vm)
{
    auto& clientData = *static_cast<JSVMClientData*>(vm.clientData);
    auto& spaces = clientData.subspaces();
    if (auto* space = spaces.m_subspaceForWorkletGlobalScope.get())
        return space;
    spaces.m_subspaceForWorkletGlobalScope = makeUnique<IsoSubspace> ISO_SUBSPACE_INIT(vm.heap, clientData.m_heapCellTypeForJSWorkletGlobalScope.get(), JSWorkletGlobalScope);
    auto* space = spaces.m_subspaceForWorkletGlobalScope.get();
IGNORE_WARNINGS_BEGIN("unreachable-code")
IGNORE_WARNINGS_BEGIN("tautological-compare")
    if (&JSWorkletGlobalScope::visitOutputConstraints != &JSC::JSCell::visitOutputConstraints)
        clientData.outputConstraintSpaces().append(space);
IGNORE_WARNINGS_END
IGNORE_WARNINGS_END
    return space;
}

void JSWorkletGlobalScope::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
{
    auto* thisObject = jsCast<JSWorkletGlobalScope*>(cell);
    analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
    if (thisObject->scriptExecutionContext())
        analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
    Base::analyzeHeap(cell, analyzer);
}

#if ENABLE(BINDING_INTEGRITY)
#if PLATFORM(WIN)
#pragma warning(disable: 4483)
extern "C" { extern void (*const __identifier("??_7WorkletGlobalScope@WebCore@@6B@")[])(); }
#else
extern "C" { extern void* _ZTVN7WebCore18WorkletGlobalScopeE[]; }
#endif
#endif

JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<WorkletGlobalScope>&& impl)
{

#if ENABLE(BINDING_INTEGRITY)
    const void* actualVTablePointer = getVTablePointer(impl.ptr());
#if PLATFORM(WIN)
    void* expectedVTablePointer = __identifier("??_7WorkletGlobalScope@WebCore@@6B@");
#else
    void* expectedVTablePointer = &_ZTVN7WebCore18WorkletGlobalScopeE[2];
#endif

    // If this fails WorkletGlobalScope does not have a vtable, so you need to add the
    // ImplementationLacksVTable attribute to the interface definition
    static_assert(std::is_polymorphic<WorkletGlobalScope>::value, "WorkletGlobalScope is not polymorphic");

    // If you hit this assertion you either have a use after free bug, or
    // WorkletGlobalScope has subclasses. If WorkletGlobalScope has subclasses that get passed
    // to toJS() we currently require WorkletGlobalScope you to opt out of binding hardening
    // by adding the SkipVTableValidation attribute to the interface IDL definition
    RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
#endif
    return createWrapper<WorkletGlobalScope>(globalObject, WTFMove(impl));
}

JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, WorkletGlobalScope& impl)
{
    return wrap(lexicalGlobalObject, globalObject, impl);
}

WorkletGlobalScope* JSWorkletGlobalScope::toWrapped(JSC::VM& vm, JSC::JSValue value)
{
    if (auto* wrapper = jsDynamicCast<JSWorkletGlobalScope*>(vm, value))
        return &wrapper->wrapped();
    return nullptr;
}

}