1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements.  See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License.  You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  */
18 package org.apache.bcel.generic;
19 
20 import org.apache.bcel.ExceptionConst;
21 
22 /**
23  * NEW - Create new object
24  * <PRE>Stack: ... -&gt; ..., objectref</PRE>
25  *
26  * @version $Id$
27  */
28 public class NEW extends CPInstruction implements LoadClass, AllocationInstruction,
29         ExceptionThrower, StackProducer {
30 
31     /**
32      * Empty constructor needed for Instruction.readInstruction.
33      * Not to be used otherwise.
34      */
NEW()35     NEW() {
36     }
37 
38 
NEW(final int index)39     public NEW(final int index) {
40         super(org.apache.bcel.Const.NEW, index);
41     }
42 
43 
44     @Override
getExceptions()45     public Class<?>[] getExceptions() {
46         return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_CLASS_AND_INTERFACE_RESOLUTION,
47             ExceptionConst.ILLEGAL_ACCESS_ERROR,
48             ExceptionConst.INSTANTIATION_ERROR);
49     }
50 
51 
52     @Override
getLoadClassType( final ConstantPoolGen cpg )53     public ObjectType getLoadClassType( final ConstantPoolGen cpg ) {
54         return (ObjectType) getType(cpg);
55     }
56 
57 
58     /**
59      * Call corresponding visitor method(s). The order is:
60      * Call visitor methods of implemented interfaces first, then
61      * call methods according to the class hierarchy in descending order,
62      * i.e., the most specific visitXXX() call comes last.
63      *
64      * @param v Visitor object
65      */
66     @Override
accept( final Visitor v )67     public void accept( final Visitor v ) {
68         v.visitLoadClass(this);
69         v.visitAllocationInstruction(this);
70         v.visitExceptionThrower(this);
71         v.visitStackProducer(this);
72         v.visitTypedInstruction(this);
73         v.visitCPInstruction(this);
74         v.visitNEW(this);
75     }
76 }
77