1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   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 that an instruction may start the process of loading and resolving
  27  * the referenced class in the Virtual Machine.
  28  *
  29  * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
  30  */
  31 public interface LoadClass {
  32   /**
  33    * Returns the ObjectType of the referenced class or interface
  34    * that may be loaded and resolved.
  35    * @return object type that may be loaded or null if a primitive is
  36    * referenced
  37    */
  38   public ObjectType getLoadClassType(ConstantPoolGen cpg);
  39 
  40   /**
  41    * Returns the type associated with this instruction.
  42    * LoadClass instances are always typed, but this type
  43    * does not always refer to the type of the class or interface
  44    * that it possibly forces to load. For example, GETFIELD would
  45    * return the type of the field and not the type of the class
  46    * where the field is defined.
  47    * If no class is forced to be loaded, <B>null</B> is returned.
  48    * An example for this is an ANEWARRAY instruction that creates
  49    * an int[][].
  50    * @see #getLoadClassType(ConstantPoolGen)
  51    */
  52   public Type getType(ConstantPoolGen cpg);
  53 }