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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.bcel.generic;
import org.apache.bcel.ExceptionConst;
/**
* ANEWARRAY - Create new array of references
* <PRE>Stack: ..., count -> ..., arrayref</PRE>
*
* @version $Id$
*/
public class ANEWARRAY extends CPInstruction implements LoadClass, AllocationInstruction,
ExceptionThrower, StackConsumer, StackProducer {
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
ANEWARRAY() {
}
public ANEWARRAY(final int index) {
super(org.apache.bcel.Const.ANEWARRAY, index);
}
@Override
public Class<?>[] getExceptions() {
return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_CLASS_AND_INTERFACE_RESOLUTION,
ExceptionConst.NEGATIVE_ARRAY_SIZE_EXCEPTION);
}
/**
* Call corresponding visitor method(s). The order is:
* Call visitor methods of implemented interfaces first, then
* call methods according to the class hierarchy in descending order,
* i.e., the most specific visitXXX() call comes last.
*
* @param v Visitor object
*/
@Override
public void accept( final Visitor v ) {
v.visitLoadClass(this);
v.visitAllocationInstruction(this);
v.visitExceptionThrower(this);
v.visitStackProducer(this);
v.visitTypedInstruction(this);
v.visitCPInstruction(this);
v.visitANEWARRAY(this);
}
@Override
public ObjectType getLoadClassType( final ConstantPoolGen cpg ) {
Type t = getType(cpg);
if (t instanceof ArrayType) {
t = ((ArrayType) t).getBasicType();
}
return (t instanceof ObjectType) ? (ObjectType) t : null;
}
}
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