NEW.java

  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. package org.apache.bcel.generic;

  18. import org.apache.bcel.ExceptionConst;

  19. /**
  20.  * NEW - Create new object
  21.  *
  22.  * <PRE>
  23.  * Stack: ... -&gt; ..., objectref
  24.  * </PRE>
  25.  */
  26. public class NEW extends CPInstruction implements LoadClass, AllocationInstruction, ExceptionThrower, StackProducer {

  27.     /**
  28.      * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise.
  29.      */
  30.     NEW() {
  31.     }

  32.     public NEW(final int index) {
  33.         super(org.apache.bcel.Const.NEW, index);
  34.     }

  35.     /**
  36.      * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call
  37.      * methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.
  38.      *
  39.      * @param v Visitor object
  40.      */
  41.     @Override
  42.     public void accept(final Visitor v) {
  43.         v.visitLoadClass(this);
  44.         v.visitAllocationInstruction(this);
  45.         v.visitExceptionThrower(this);
  46.         v.visitStackProducer(this);
  47.         v.visitTypedInstruction(this);
  48.         v.visitCPInstruction(this);
  49.         v.visitNEW(this);
  50.     }

  51.     @Override
  52.     public Class<?>[] getExceptions() {
  53.         return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_CLASS_AND_INTERFACE_RESOLUTION, ExceptionConst.ILLEGAL_ACCESS_ERROR,
  54.             ExceptionConst.INSTANTIATION_ERROR);
  55.     }

  56.     @Override
  57.     public ObjectType getLoadClassType(final ConstantPoolGen cpg) {
  58.         return (ObjectType) getType(cpg);
  59.     }
  60. }