ClassLocalInterfaceIterator.cpp

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 * Copyright (c) 1991, 2021 IBM Corp. and others
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 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
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 * 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-exception
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/**
 * @file
 * @ingroup GC_Structs
 */

#include "j9.h"
#include "j9cfg.h"
#include "j9cp.h"

#include "ClassLocalInterfaceIterator.hpp"

/**
 * @return the next interface reference slot in the class
 * @return NULL if the class has no more interface references
 */
J9Class *
GC_ClassLocalInterfaceIterator::nextSlot()
{
	J9Class *classPtr = NULL;
	while (_iTable != _superclassITable) {
		classPtr = _iTable->interfaceClass;
		_iTable = _iTable->next;
		if (NULL != classPtr) {
			break;
		}
	}
	return classPtr;
}