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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   */
27  public class NEW extends CPInstruction implements LoadClass, AllocationInstruction,
28          ExceptionThrower, StackProducer {
29  
30      /**
31       * Empty constructor needed for Instruction.readInstruction.
32       * Not to be used otherwise.
33       */
34      NEW() {
35      }
36  
37  
38      public NEW(final int index) {
39          super(org.apache.bcel.Const.NEW, index);
40      }
41  
42  
43      @Override
44      public Class<?>[] getExceptions() {
45          return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_CLASS_AND_INTERFACE_RESOLUTION,
46              ExceptionConst.ILLEGAL_ACCESS_ERROR,
47              ExceptionConst.INSTANTIATION_ERROR);
48      }
49  
50  
51      @Override
52      public ObjectType getLoadClassType( final ConstantPoolGen cpg ) {
53          return (ObjectType) getType(cpg);
54      }
55  
56  
57      /**
58       * Call corresponding visitor method(s). The order is:
59       * Call visitor methods of implemented interfaces first, then
60       * call methods according to the class hierarchy in descending order,
61       * i.e., the most specific visitXXX() call comes last.
62       *
63       * @param v Visitor object
64       */
65      @Override
66      public void accept( final Visitor v ) {
67          v.visitLoadClass(this);
68          v.visitAllocationInstruction(this);
69          v.visitExceptionThrower(this);
70          v.visitStackProducer(this);
71          v.visitTypedInstruction(this);
72          v.visitCPInstruction(this);
73          v.visitNEW(this);
74      }
75  }