/*
 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.org.apache.bcel.internal.generic;

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/**
 * Denotes that an instruction may start the process of loading and resolving
 * the referenced class in the Virtual Machine.
 *
 * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
 */
public interface LoadClass {
  /**
   * Returns the ObjectType of the referenced class or interface
   * that may be loaded and resolved.
   * @return object type that may be loaded or null if a primitive is
   * referenced
   */
  public ObjectType getLoadClassType(ConstantPoolGen cpg);

  /**
   * Returns the type associated with this instruction.
   * LoadClass instances are always typed, but this type
   * does not always refer to the type of the class or interface
   * that it possibly forces to load. For example, GETFIELD would
   * return the type of the field and not the type of the class
   * where the field is defined.
   * If no class is forced to be loaded, <B>null</B> is returned.
   * An example for this is an ANEWARRAY instruction that creates
   * an int[][].
   * @see #getLoadClassType(ConstantPoolGen)
   */
  public Type getType(ConstantPoolGen cpg);
}
