Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 91 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/JSPromise.cpp b/Source/JavaScriptCore/runtime/JSPromise.cpp
new file mode 100644
index 000000000..22f40f029
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/JSPromise.cpp
@@ -0,0 +1,91 @@
+/*
+ * 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 "JSPromise.h"
+
+#include "Error.h"
+#include "JSCJSValueInlines.h"
+#include "JSCellInlines.h"
+#include "JSPromiseConstructor.h"
+#include "Microtask.h"
+#include "SlotVisitorInlines.h"
+#include "StructureInlines.h"
+
+namespace JSC {
+
+const ClassInfo JSPromise::s_info = { "Promise", &Base::s_info, 0, CREATE_METHOD_TABLE(JSPromise) };
+
+JSPromise* JSPromise::create(VM& vm, Structure* structure)
+{
+    JSPromise* promise = new (NotNull, allocateCell<JSPromise>(vm.heap)) JSPromise(vm, structure);
+    promise->finishCreation(vm);
+    return promise;
+}
+
+Structure* JSPromise::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+{
+    return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+}
+
+JSPromise::JSPromise(VM& vm, Structure* structure)
+    : Base(vm, structure)
+{
+}
+
+void JSPromise::finishCreation(VM& vm)
+{
+    Base::finishCreation(vm);
+    putDirect(vm, vm.propertyNames->promiseStatePrivateName, jsNumber(static_cast<unsigned>(Status::Pending)));
+    putDirect(vm, vm.propertyNames->promiseFulfillReactionsPrivateName, jsUndefined());
+    putDirect(vm, vm.propertyNames->promiseRejectReactionsPrivateName, jsUndefined());
+    putDirect(vm, vm.propertyNames->promiseResultPrivateName, jsUndefined());
+}
+
+void JSPromise::initialize(ExecState* exec, JSGlobalObject* globalObject, JSValue executor)
+{
+    JSFunction* initializePromise = globalObject->initializePromiseFunction();
+    CallData callData;
+    CallType callType = JSC::getCallData(initializePromise, callData);
+    ASSERT(callType != CallTypeNone);
+
+    MarkedArgumentBuffer arguments;
+    arguments.append(executor);
+    call(exec, initializePromise, callType, callData, this, arguments);
+}
+
+auto JSPromise::status(VM& vm) const -> Status
+{
+    JSValue value = getDirect(vm, vm.propertyNames->promiseStatePrivateName);
+    ASSERT(value.isUInt32());
+    return static_cast<Status>(value.asUInt32());
+}
+
+JSValue JSPromise::result(VM& vm) const
+{
+    return getDirect(vm, vm.propertyNames->promiseResultPrivateName);
+}
+
+} // namespace JSC