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
22package 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 */
31public 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}
54