1 files changed, 63 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/CustomGetterSetter.cpp b/Source/JavaScriptCore/runtime/CustomGetterSetter.cpp
new file mode 100644
index 000000000..dea45c4b0
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+++ b/Source/JavaScriptCore/runtime/CustomGetterSetter.cpp
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+/*
+ * Copyright (C) 2014 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 "CustomGetterSetter.h"
+
+#include "JSCJSValueInlines.h"
+#include "JSObject.h"
+#include "SlotVisitorInlines.h"
+#include <wtf/Assertions.h>
+
+namespace JSC {
+
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(CustomGetterSetter);
+
+const ClassInfo CustomGetterSetter::s_info = { "CustomGetterSetter", 0, 0, CREATE_METHOD_TABLE(CustomGetterSetter) };
+
+bool callCustomSetter(ExecState* exec, CustomGetterSetter::CustomSetter setter, bool isAccessor, JSValue thisValue, JSValue value)
+{
+    ASSERT(setter);
+    bool result = setter(exec, JSValue::encode(thisValue), JSValue::encode(value));
+    // Always return true if there is a setter and it is observed as an accessor to users.
+    if (isAccessor)
+        return true;
+    return result;
+}
+
+bool callCustomSetter(ExecState* exec, JSValue customGetterSetter, bool isAccessor, JSObject* base, JSValue thisValue, JSValue value)
+{
+    CustomGetterSetter::CustomSetter setter = jsCast<CustomGetterSetter*>(customGetterSetter)->setter();
+    // Return false since there is no setter.
+    if (!setter)
+        return false;
+    // FIXME: Remove this differences in custom values and custom accessors.
+    // https://bugs.webkit.org/show_bug.cgi?id=158014
+    if (!isAccessor)
+        thisValue = base;
+    return callCustomSetter(exec, setter, isAccessor, thisValue, value);
+}
+
+} // namespace JSC