SingleInstruction


1   /*
2    * Bytecode Analysis Framework
3    * Copyright (C) 2003,2004 University of Maryland
4    * 
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2.1 of the License, or (at your option) any later version.
9    * 
10   * This library is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   * 
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this library; if not, write to the Free Software
17   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  
20  package edu.umd.cs.findbugs.ba.bcp;
21  
22  import org.apache.bcel.generic.InstructionHandle;
23  
24  import edu.umd.cs.findbugs.ba.Edge;
25  
26  /**
27   * An abstract PatternElement subclass for pattern elements which
28   * must match exactly one instruction and accept any kind of branch.
29   * (Subclasses may override acceptBranch() to implement more selective
30   * handling of branches.)
31   *
32   * @author David Hovemeyer
33   * @see PatternElement
34   */
35  public abstract class SingleInstruction extends PatternElement {
36      @Override  
37           public boolean acceptBranch(Edge edge, InstructionHandle source) {
38          return true;
39      }
40  
41      @Override  
42           public int minOccur() {
43          return 1;
44      }
45  
46      @Override  
47           public int maxOccur() {
48          return 1;
49      }
50  
51  }
52  
53  // vim:ts=4
54

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