Path: blob/master/runtime/gc_structs/ClassLocalInterfaceIterator.hpp
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1/*******************************************************************************2* Copyright (c) 1991, 2021 IBM Corp. and others3*4* This program and the accompanying materials are made available under5* the terms of the Eclipse Public License 2.0 which accompanies this6* distribution and is available at https://www.eclipse.org/legal/epl-2.0/7* or the Apache License, Version 2.0 which accompanies this distribution and8* is available at https://www.apache.org/licenses/LICENSE-2.0.9*10* This Source Code may also be made available under the following11* Secondary Licenses when the conditions for such availability set12* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU13* General Public License, version 2 with the GNU Classpath14* Exception [1] and GNU General Public License, version 2 with the15* OpenJDK Assembly Exception [2].16*17* [1] https://www.gnu.org/software/classpath/license.html18* [2] http://openjdk.java.net/legal/assembly-exception.html19*20* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception21*******************************************************************************/2223/**24* @file25* @ingroup GC_Structs26*/2728#if !defined(CLASSLOCALINTERFACEITERATOR_HPP_)29#define CLASSLOCALINTERFACEITERATOR_HPP_3031#include "j9.h"32#include "j9cfg.h"33#include "j9cp.h"34#include "modron.h"3536/**37* Iterate through references to the interfaces implemented by a class.38* @ingroup GC_Structs39*/40class GC_ClassLocalInterfaceIterator41{42J9ITable *_iTable;43J9ITable *_superclassITable;4445public:46GC_ClassLocalInterfaceIterator(J9Class *clazz) :47_iTable((J9ITable*)clazz->iTable)48{4950J9Class *superclass = clazz->superclasses[J9CLASS_DEPTH(clazz) - 1];51if(superclass) {52_superclassITable = (J9ITable*)superclass->iTable;53} else {54_superclassITable = NULL;55}56};5758J9Class *nextSlot();59};6061#endif /* CLASSLOCALINTERFACEITERATOR_HPP_ */62636465