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Commit	Line	Data
	1	/*
	2	* Copyright (C) 2011 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
	14	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	15	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
	17	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	18	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	19	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	20	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	21	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	23	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef JSBoundFunction_h
	27	#define JSBoundFunction_h
	28
	29	#include "JSFunction.h"
	30
	31	namespace JSC {
	32
	33	EncodedJSValue JSC_HOST_CALL boundFunctionCall(ExecState*);
	34	EncodedJSValue JSC_HOST_CALL boundFunctionConstruct(ExecState*);
	35
	36	class JSBoundFunction : public JSFunction {
	37	public:
	38	typedef JSFunction Base;
	39
	40	static JSBoundFunction* create(ExecState, JSGlobalObject, JSObject* targetFunction, JSValue boundThis, JSValue boundArgs, int, const Identifier&);
	41
	42	static bool hasInstance(JSObject, ExecState, JSValue, JSValue proto);
	43
	44	JSObject* targetFunction() { return m_targetFunction.get(); }
	45	JSValue boundThis() { return m_boundThis.get(); }
	46	JSValue boundArgs() { return m_boundArgs.get(); }
	47
	48	static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype)
	49	{
	50	ASSERT(globalObject);
	51	return Structure::create(globalData, globalObject, prototype, TypeInfo(JSFunctionType, StructureFlags), &s_info);
	52	}
	53
	54	static const ClassInfo s_info;
	55
	56	protected:
	57	const static unsigned StructureFlags = OverridesHasInstance \| OverridesVisitChildren \| Base::StructureFlags;
	58
	59	static void visitChildren(JSCell*, SlotVisitor&);
	60
	61	private:
	62	JSBoundFunction(ExecState, JSGlobalObject, Structure, JSObject targetFunction, JSValue boundThis, JSValue boundArgs);
	63
	64	void finishCreation(ExecState, NativeExecutable, int, const Identifier&);
	65
	66	WriteBarrier<JSObject> m_targetFunction;
	67	WriteBarrier<Unknown> m_boundThis;
	68	WriteBarrier<Unknown> m_boundArgs;
	69	};
	70
	71	} // namespace JSC
	72
	73	#endif // JSFunction_h