4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.generic;
  23 
  24 
  25 /**
  26  * Denotes an unparameterized instruction to load a value from a local
  27  * variable, e.g. ILOAD.
  28  *
  29  * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
  30  */
  31 public abstract class LoadInstruction extends LocalVariableInstruction
  32   implements PushInstruction
  33 {
  34   /**
  35    * Empty constructor needed for the Class.newInstance() statement in
  36    * Instruction.readInstruction(). Not to be used otherwise.
  37    * tag and length are defined in readInstruction and initFromFile, respectively.
  38    */
  39   LoadInstruction(short canon_tag, short c_tag) {
  40     super(canon_tag, c_tag);
  41   }
  42 

  43   /**
  44    * @param opcode Instruction opcode
  45    * @param c_tag Instruction number for compact version, ALOAD_0, e.g.
  46    * @param n local variable index (unsigned short)
  47    */
  48   protected LoadInstruction(short opcode, short c_tag, int n) {
  49     super(opcode, c_tag, n);
  50   }
  51 

  52   /**
  53    * Call corresponding visitor method(s). The order is:
  54    * Call visitor methods of implemented interfaces first, then
  55    * call methods according to the class hierarchy in descending order,
  56    * i.e., the most specific visitXXX() call comes last.
  57    *
  58    * @param v Visitor object
  59    */
  60   public void accept(Visitor v) {

  61     v.visitStackProducer(this);
  62     v.visitPushInstruction(this);
  63     v.visitTypedInstruction(this);
  64     v.visitLocalVariableInstruction(this);
  65     v.visitLoadInstruction(this);
  66   }
  67 }

   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.generic;
  23 

  24 /**
  25  * Denotes an unparameterized instruction to load a value from a local
  26  * variable, e.g. ILOAD.
  27  *
  28  * @version $Id: LoadInstruction.java 1747278 2016-06-07 17:28:43Z britter $
  29  */
  30 public abstract class LoadInstruction extends LocalVariableInstruction implements PushInstruction {
  31 

  32     /**
  33      * Empty constructor needed for the Class.newInstance() statement in
  34      * Instruction.readInstruction(). Not to be used otherwise.
  35      * tag and length are defined in readInstruction and initFromFile, respectively.
  36      */
  37     LoadInstruction(final short canon_tag, final short c_tag) {
  38         super(canon_tag, c_tag);
  39     }
  40 
  41 
  42     /**
  43      * @param opcode Instruction opcode
  44      * @param c_tag Instruction number for compact version, ALOAD_0, e.g.
  45      * @param n local variable index (unsigned short)
  46      */
  47     protected LoadInstruction(final short opcode, final short c_tag, final int n) {
  48         super(opcode, c_tag, n);
  49     }
  50 
  51 
  52     /**
  53      * Call corresponding visitor method(s). The order is:
  54      * Call visitor methods of implemented interfaces first, then
  55      * call methods according to the class hierarchy in descending order,
  56      * i.e., the most specific visitXXX() call comes last.
  57      *
  58      * @param v Visitor object
  59      */
  60     @Override
  61     public void accept( final Visitor v ) {
  62         v.visitStackProducer(this);
  63         v.visitPushInstruction(this);
  64         v.visitTypedInstruction(this);
  65         v.visitLocalVariableInstruction(this);
  66         v.visitLoadInstruction(this);
  67     }
  68 }