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author | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-30 12:48:17 +0200 |
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committer | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-30 12:48:17 +0200 |
commit | 881da28418d380042aa95a97f0cbd42560a64f7c (patch) | |
tree | a794dff3274695e99c651902dde93d934ea7a5af /Source/JavaScriptCore/runtime/JSPromiseDeferred.cpp | |
parent | 7e104c57a70fdf551bb3d22a5d637cdcbc69dbea (diff) | |
parent | 0fcedcd17cc00d3dd44c718b3cb36c1033319671 (diff) | |
download | qtwebkit-881da28418d380042aa95a97f0cbd42560a64f7c.tar.gz |
Merge 'wip/next' into dev
Change-Id: Iff9ee5e23bb326c4371ec8ed81d56f2f05d680e9
Diffstat (limited to 'Source/JavaScriptCore/runtime/JSPromiseDeferred.cpp')
-rw-r--r-- | Source/JavaScriptCore/runtime/JSPromiseDeferred.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/JSPromiseDeferred.cpp b/Source/JavaScriptCore/runtime/JSPromiseDeferred.cpp new file mode 100644 index 000000000..ba7697344 --- /dev/null +++ b/Source/JavaScriptCore/runtime/JSPromiseDeferred.cpp @@ -0,0 +1,129 @@ +/* + * Copyright (C) 2013 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 "JSCJSValueInlines.h" +#include "JSCellInlines.h" +#include "JSPromise.h" +#include "JSPromiseConstructor.h" +#include "SlotVisitorInlines.h" +#include "StructureInlines.h" + +namespace JSC { + +const ClassInfo JSPromiseDeferred::s_info = { "JSPromiseDeferred", 0, 0, 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 != CallTypeNone); + + MarkedArgumentBuffer arguments; + arguments.append(promiseConstructor); + return call(exec, newPromiseCapabilityFunction, callType, callData, jsUndefined(), arguments); +} + + +JSPromiseDeferred* JSPromiseDeferred::create(ExecState* exec, JSGlobalObject* globalObject) +{ + VM& vm = exec->vm(); + + JSValue deferred = newPromiseCapability(exec, globalObject, globalObject->promiseConstructor()); + + JSValue promise = deferred.get(exec, vm.propertyNames->promisePrivateName); + ASSERT(promise.inherits(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 != CallTypeNone); + + 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); +} + +void JSPromiseDeferred::reject(ExecState* exec, JSValue reason) +{ + callFunction(exec, m_reject.get(), reason); +} + +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 |