[apple/javascriptcore.git] / bytecode / SpecialPointer.h

/*
 * Copyright (C) 2012 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. 
 */

#ifndef SpecialPointer_h
#define SpecialPointer_h

namespace JSC {

class CodeBlock;
class JSGlobalObject;

namespace Special {
enum Pointer {
    CallFunction,
    ApplyFunction,
    ObjectConstructor,
    ArrayConstructor,
    TableSize // Not a real special pointer. Use this to determine the number of pointers.
};
} // namespace Special

inline bool pointerIsFunction(Special::Pointer pointer)
{
    ASSERT_UNUSED(pointer, pointer < Special::TableSize);
    return true;
}

inline bool pointerIsCell(Special::Pointer pointer)
{
    ASSERT_UNUSED(pointer, pointer < Special::TableSize);
    return true;
}

void* actualPointerFor(JSGlobalObject*, Special::Pointer);
void* actualPointerFor(CodeBlock*, Special::Pointer);

} // namespace JSC

#endif // SpecialPointer_h
Commit	Line	Data
f9bf01c6	1	/*
6fe7ccc8	2	* Copyright (C) 2012 Apple Inc. All rights reserved.
f9bf01c6 A	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
93a37866 A	26	#ifndef SpecialPointer_h
93a37866 A	27	#define SpecialPointer_h
f9bf01c6	28
93a37866	29	namespace JSC {
f9bf01c6	30
93a37866 A	31	class CodeBlock;
93a37866 A	32	class JSGlobalObject;
f9bf01c6	33
93a37866 A	34	namespace Special {
	35	enum Pointer {
	36	CallFunction,
	37	ApplyFunction,
	38	ObjectConstructor,
	39	ArrayConstructor,
	40	TableSize // Not a real special pointer. Use this to determine the number of pointers.
	41	};
	42	} // namespace Special
f9bf01c6	43
93a37866	44	inline bool pointerIsFunction(Special::Pointer pointer)
f9bf01c6	45	{
93a37866 A	46	ASSERT_UNUSED(pointer, pointer < Special::TableSize);
93a37866 A	47	return true;
f9bf01c6 A	48	}
f9bf01c6 A	49
93a37866 A	50	inline bool pointerIsCell(Special::Pointer pointer)
	51	{
	52	ASSERT_UNUSED(pointer, pointer < Special::TableSize);
	53	return true;
	54	}
	55
	56	void* actualPointerFor(JSGlobalObject*, Special::Pointer);
	57	void* actualPointerFor(CodeBlock*, Special::Pointer);
	58
6fe7ccc8	59	} // namespace JSC
f9bf01c6	60
93a37866 A	61	#endif // SpecialPointer_h
93a37866 A	62