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/*
* Copyright (C) 2013, 2016 Apple 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 "JSPromiseDeferred.h"
#include "BuiltinNames.h"
#include "Error.h"
#include "Exception.h"
#include "JSCInlines.h"
#include "JSObjectInlines.h"
#include "JSPromise.h"
#include "JSPromiseConstructor.h"
#include "PromiseDeferredTimer.h"
namespace JSC {
const ClassInfo JSPromiseDeferred::s_info = { "JSPromiseDeferred", nullptr, nullptr, nullptr, CREATE_METHOD_TABLE(JSPromiseDeferred) };
JSValue newPromiseCapability(ExecState* exec, JSGlobalObject* globalObject, JSPromiseConstructor* promiseConstructor)
{
JSFunction* newPromiseCapabilityFunction = globalObject->newPromiseCapabilityFunction();
CallData callData;
CallType callType = JSC::getCallData(newPromiseCapabilityFunction, callData);
ASSERT(callType != CallType::None);
MarkedArgumentBuffer arguments;
arguments.append(promiseConstructor);
return call(exec, newPromiseCapabilityFunction, callType, callData, jsUndefined(), arguments);
}
JSPromiseDeferred* JSPromiseDeferred::create(ExecState* exec, JSGlobalObject* globalObject)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue deferred = newPromiseCapability(exec, globalObject, globalObject->promiseConstructor());
RETURN_IF_EXCEPTION(scope, nullptr);
JSValue promise = deferred.get(exec, vm.propertyNames->builtinNames().promisePrivateName());
ASSERT(promise.inherits(vm, JSPromise::info()));
JSValue resolve = deferred.get(exec, vm.propertyNames->builtinNames().resolvePrivateName());
JSValue reject = deferred.get(exec, vm.propertyNames->builtinNames().rejectPrivateName());
return JSPromiseDeferred::create(vm, jsCast<JSPromise*>(promise), resolve, reject);
}
JSPromiseDeferred* JSPromiseDeferred::create(VM& vm, JSObject* promise, JSValue resolve, JSValue reject)
{
JSPromiseDeferred* deferred = new (NotNull, allocateCell<JSPromiseDeferred>(vm.heap)) JSPromiseDeferred(vm);
deferred->finishCreation(vm, promise, resolve, reject);
return deferred;
}
JSPromiseDeferred::JSPromiseDeferred(VM& vm)
: JSPromiseDeferred(vm, vm.promiseDeferredStructure.get())
{
}
JSPromiseDeferred::JSPromiseDeferred(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
static inline void callFunction(ExecState* exec, JSValue function, JSValue value)
{
CallData callData;
CallType callType = getCallData(function, callData);
ASSERT(callType != CallType::None);
MarkedArgumentBuffer arguments;
arguments.append(value);
call(exec, function, callType, callData, jsUndefined(), arguments);
}
void JSPromiseDeferred::resolve(ExecState* exec, JSValue value)
{
callFunction(exec, m_resolve.get(), value);
bool wasPending = exec->vm().promiseDeferredTimer->cancelPendingPromise(this);
ASSERT_UNUSED(wasPending, wasPending == m_promiseIsAsyncPending);
}
void JSPromiseDeferred::reject(ExecState* exec, JSValue reason)
{
callFunction(exec, m_reject.get(), reason);
bool wasPending = exec->vm().promiseDeferredTimer->cancelPendingPromise(this);
ASSERT_UNUSED(wasPending, wasPending == m_promiseIsAsyncPending);
}
void JSPromiseDeferred::reject(ExecState* exec, Exception* reason)
{
reject(exec, reason->value());
}
void JSPromiseDeferred::finishCreation(VM& vm, JSObject* promise, JSValue resolve, JSValue reject)
{
Base::finishCreation(vm);
m_promise.set(vm, this, promise);
m_resolve.set(vm, this, resolve);
m_reject.set(vm, this, reject);
}
void JSPromiseDeferred::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSPromiseDeferred* thisObject = jsCast<JSPromiseDeferred*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_promise);
visitor.append(thisObject->m_resolve);
visitor.append(thisObject->m_reject);
}
} // namespace JSC
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