Source/JavaScriptCore/runtime/JSPromiseReaction.cpp

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#include "config.h"
#include "JSPromiseReaction.h"

#include "JSCInlines.h"
#include "JSInternalFieldObjectImplInlines.h"

namespace JSC {

const ClassInfo JSPromiseReaction::s_info = { "PromiseReaction"_s, nullptr, nullptr, nullptr, CREATE_METHOD_TABLE(JSPromiseReaction) };

template<typename Visitor>
void JSPromiseReaction::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
    auto* thisObject = uncheckedDowncast<JSPromiseReaction>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitChildren(thisObject, visitor);
    visitor.append(thisObject->m_promise);
    visitor.appendUnbarriered(thisObject->m_next.pointer());
}

DEFINE_VISIT_CHILDREN(JSPromiseReaction);

JSValue JSPromiseReaction::tryGetContext(JSValue reactionsValue)
{
    if (auto* slim = dynamicDowncast<JSSlimPromiseReaction>(reactionsValue)) {
        if (slim->internalMicrotask() != InternalMicrotask::None)
            return slim->handlerOrContext();
        return { };
    }
    if (auto* full = dynamicDowncast<JSFullPromiseReaction>(reactionsValue))
        return full->context();
    return { };
}

// JSSlimPromiseReaction

const ClassInfo JSSlimPromiseReaction::s_info = { "SlimPromiseReaction"_s, &JSPromiseReaction::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSSlimPromiseReaction) };

JSSlimPromiseReaction* JSSlimPromiseReaction::create(VM& vm, JSValue promise, JSValue handler, bool isFulfill, JSPromiseReaction* next)
{
    JSSlimPromiseReaction* result = new (NotNull, allocateCell<JSSlimPromiseReaction>(vm)) JSSlimPromiseReaction(vm, vm.slimPromiseReactionStructure.get(), promise, handler, next, InternalMicrotask::None, isFulfill);
    result->finishCreation(vm);
    return result;
}

JSSlimPromiseReaction* JSSlimPromiseReaction::create(VM& vm, JSValue promise, InternalMicrotask task, JSValue context, JSPromiseReaction* next)
{
    ASSERT(task != InternalMicrotask::None);
    JSSlimPromiseReaction* result = new (NotNull, allocateCell<JSSlimPromiseReaction>(vm)) JSSlimPromiseReaction(vm, vm.slimPromiseReactionStructure.get(), promise, context, next, task, false);
    result->finishCreation(vm);
    return result;
}

template<typename Visitor>
void JSSlimPromiseReaction::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
    auto* thisObject = uncheckedDowncast<JSSlimPromiseReaction>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitChildren(thisObject, visitor);
    visitor.append(thisObject->m_handlerOrContext);
}

Structure* JSSlimPromiseReaction::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
    return Structure::create(vm, globalObject, prototype, TypeInfo(JSSlimPromiseReactionType, StructureFlags), info());
}

DEFINE_VISIT_CHILDREN(JSSlimPromiseReaction);

// JSFullPromiseReaction

const ClassInfo JSFullPromiseReaction::s_info = { "FullPromiseReaction"_s, &JSPromiseReaction::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFullPromiseReaction) };

JSFullPromiseReaction* JSFullPromiseReaction::create(VM& vm, JSValue promise, JSValue onFulfilled, JSValue onRejected, JSValue context, JSPromiseReaction* next)
{
    JSFullPromiseReaction* result = new (NotNull, allocateCell<JSFullPromiseReaction>(vm)) JSFullPromiseReaction(vm, vm.fullPromiseReactionStructure.get(), promise, onFulfilled, onRejected, context, next);
    result->finishCreation(vm);
    return result;
}

template<typename Visitor>
void JSFullPromiseReaction::visitChildrenImpl(JSCell* cell, Visitor& visitor)
{
    auto* thisObject = uncheckedDowncast<JSFullPromiseReaction>(cell);
    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
    Base::visitChildren(thisObject, visitor);
    visitor.append(thisObject->m_onFulfilled);
    visitor.append(thisObject->m_onRejected);
    visitor.append(thisObject->m_context);
}

Structure* JSFullPromiseReaction::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
    return Structure::create(vm, globalObject, prototype, TypeInfo(JSFullPromiseReactionType, StructureFlags), info());
}

DEFINE_VISIT_CHILDREN(JSFullPromiseReaction);

} // namespace JSC