JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / runtime / WeakMapConstructor.cpp

diff --git a/runtime/WeakMapConstructor.cpp b/runtime/WeakMapConstructor.cpp
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+/*
+ * 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. ``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
+ * 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 "WeakMapConstructor.h"
+
+#include "JSCJSValueInlines.h"
+#include "JSCellInlines.h"
+#include "JSGlobalObject.h"
+#include "JSWeakMap.h"
+#include "StructureInlines.h"
+#include "WeakMapPrototype.h"
+
+namespace JSC {
+
+const ClassInfo WeakMapConstructor::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(WeakMapConstructor) };
+
+void WeakMapConstructor::finishCreation(VM& vm, WeakMapPrototype* prototype)
+{
+    Base::finishCreation(vm, prototype->classInfo()->className);
+    putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, DontEnum | DontDelete | ReadOnly);
+    putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum | DontDelete);
+}
+
+static EncodedJSValue JSC_HOST_CALL constructWeakMap(ExecState* exec)
+{
+    JSGlobalObject* globalObject = asInternalFunction(exec->callee())->globalObject();
+    Structure* structure = globalObject->weakMapStructure();
+    return JSValue::encode(JSWeakMap::create(exec, structure));
+}
+
+ConstructType WeakMapConstructor::getConstructData(JSCell*, ConstructData& constructData)
+{
+    constructData.native.function = constructWeakMap;
+    return ConstructTypeHost;
+}
+
+CallType WeakMapConstructor::getCallData(JSCell*, CallData&)
+{
+    return CallTypeNone;
+}
+
+}