webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 84 insertions, 0 deletions

diff --git a/Source/WebCore/bindings/js/JSDOMConstructorNotConstructable.h b/Source/WebCore/bindings/js/JSDOMConstructorNotConstructable.h
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+++ b/Source/WebCore/bindings/js/JSDOMConstructorNotConstructable.h
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+/*
+ *  Copyright (C) 2015, 2016 Canon Inc. All rights reserved.
+ *  Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#pragma once
+
+#include "JSDOMConstructorBase.h"
+#include "JSDOMExceptionHandling.h"
+
+namespace WebCore {
+
+template<typename JSClass> class JSDOMConstructorNotConstructable : public JSDOMConstructorBase {
+public:
+    using Base = JSDOMConstructorBase;
+
+    static JSDOMConstructorNotConstructable* create(JSC::VM&, JSC::Structure*, JSDOMGlobalObject&);
+    static JSC::Structure* createStructure(JSC::VM&, JSC::JSGlobalObject&, JSC::JSValue prototype);
+
+    DECLARE_INFO;
+
+    // Must be defined for each specialization class.
+    static JSC::JSValue prototypeForStructure(JSC::VM&, const JSDOMGlobalObject&);
+
+private:
+    JSDOMConstructorNotConstructable(JSC::Structure* structure, JSDOMGlobalObject& globalObject)
+        : Base(structure, globalObject)
+    {
+    }
+
+    void finishCreation(JSC::VM&, JSDOMGlobalObject&);
+
+    // Usually defined for each specialization class.
+    void initializeProperties(JSC::VM&, JSDOMGlobalObject&) { }
+
+    static JSC::EncodedJSValue JSC_HOST_CALL callThrowTypeError(JSC::ExecState* exec)
+    {
+        JSC::VM& vm = exec->vm();
+        auto scope = DECLARE_THROW_SCOPE(vm);
+        JSC::throwTypeError(exec, scope, ASCIILiteral("Illegal constructor"));
+        return JSC::JSValue::encode(JSC::jsNull());
+    }
+
+    static JSC::CallType getCallData(JSC::JSCell*, JSC::CallData& callData)
+    {
+        callData.native.function = callThrowTypeError;
+        return JSC::CallType::Host;
+    }
+};
+
+template<typename JSClass> inline JSDOMConstructorNotConstructable<JSClass>* JSDOMConstructorNotConstructable<JSClass>::create(JSC::VM& vm, JSC::Structure* structure, JSDOMGlobalObject& globalObject)
+{
+    JSDOMConstructorNotConstructable* constructor = new (NotNull, JSC::allocateCell<JSDOMConstructorNotConstructable>(vm.heap)) JSDOMConstructorNotConstructable(structure, globalObject);
+    constructor->finishCreation(vm, globalObject);
+    return constructor;
+}
+
+template<typename JSClass> inline JSC::Structure* JSDOMConstructorNotConstructable<JSClass>::createStructure(JSC::VM& vm, JSC::JSGlobalObject& globalObject, JSC::JSValue prototype)
+{
+    return JSC::Structure::create(vm, &globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
+}
+
+template<typename JSClass> inline void JSDOMConstructorNotConstructable<JSClass>::finishCreation(JSC::VM& vm, JSDOMGlobalObject& globalObject)
+{
+    Base::finishCreation(vm);
+    ASSERT(inherits(vm, info()));
+    initializeProperties(vm, globalObject);
+}
+
+} // namespace WebCore