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    1   /*
    2    * Copyright  2000-2004 The Apache Software Foundation
    3    *
    4    *  Licensed under the Apache License, Version 2.0 (the "License");
    5    *  you may not use this file except in compliance with the License.
    6    *  You may obtain a copy of the License at
    7    *
    8    *      http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   *  Unless required by applicable law or agreed to in writing, software
    11   *  distributed under the License is distributed on an "AS IS" BASIS,
    12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   *  See the License for the specific language governing permissions and
    14   *  limitations under the License.
    15   *
    16   */
    17  package org.apache.bcel.generic;
    18
    19  /***
    20   * Denote an instruction that may consume a value from the stack.
    21   *
    22   * @version $Id: StackConsumer.java 386056 2006-03-15 11:31:56Z tcurdt $
    23   * @author  <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
    24   */
    25  public interface StackConsumer {
    26
    27      /*** @return how many words are consumed from stack
    28       */
    29      public int consumeStack( ConstantPoolGen cpg );
    30  }