git.saurik.com Git - apple/javascriptcore.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	* Copyright (C) 2008 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	#include "config.h"
	27	#include "StructureStubInfo.h"
	28
	29	namespace JSC {
	30
	31	#if ENABLE(JIT)
	32	void StructureStubInfo::deref()
	33	{
	34	switch (opcodeID) {
	35	case op_get_by_id_self:
	36	u.getByIdSelf.baseObjectStructure->deref();
	37	return;
	38	case op_get_by_id_proto:
	39	u.getByIdProto.baseObjectStructure->deref();
	40	u.getByIdProto.prototypeStructure->deref();
	41	return;
	42	case op_get_by_id_chain:
	43	u.getByIdChain.baseObjectStructure->deref();
	44	u.getByIdChain.chain->deref();
	45	return;
	46	case op_get_by_id_self_list: {
	47	PolymorphicAccessStructureList* polymorphicStructures = u.getByIdSelfList.structureList;
	48	polymorphicStructures->derefStructures(u.getByIdSelfList.listSize);
	49	delete polymorphicStructures;
	50	return;
	51	}
	52	case op_get_by_id_proto_list: {
	53	PolymorphicAccessStructureList* polymorphicStructures = u.getByIdProtoList.structureList;
	54	polymorphicStructures->derefStructures(u.getByIdProtoList.listSize);
	55	delete polymorphicStructures;
	56	return;
	57	}
	58	case op_put_by_id_transition:
	59	u.putByIdTransition.previousStructure->deref();
	60	u.putByIdTransition.structure->deref();
	61	u.putByIdTransition.chain->deref();
	62	return;
	63	case op_put_by_id_replace:
	64	u.putByIdReplace.baseObjectStructure->deref();
	65	return;
	66	case op_get_by_id:
	67	case op_put_by_id:
	68	case op_get_by_id_generic:
	69	case op_put_by_id_generic:
	70	case op_get_array_length:
	71	case op_get_string_length:
	72	// These instructions don't ref their Structures.
	73	return;
	74	default:
	75	ASSERT_NOT_REACHED();
	76	}
	77	}
	78	#endif
	79
	80	} // namespace JSC