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      1 /***
      2  * ASM: a very small and fast Java bytecode manipulation framework
      3  * Copyright (c) 2000-2007 INRIA, France Telecom
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. Neither the name of the copyright holders nor the names of its
     15  *    contributors may be used to endorse or promote products derived from
     16  *    this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     28  * THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 package org.mockito.asm.tree;
     31 
     32 import java.util.Map;
     33 
     34 import org.mockito.asm.MethodVisitor;
     35 
     36 /**
     37  * A node that represents a line number declaration. These nodes are pseudo
     38  * instruction nodes in order to be inserted in an instruction list.
     39  *
     40  * @author Eric Bruneton
     41  */
     42 public class LineNumberNode extends AbstractInsnNode {
     43 
     44     /**
     45      * A line number. This number refers to the source file from which the class
     46      * was compiled.
     47      */
     48     public int line;
     49 
     50     /**
     51      * The first instruction corresponding to this line number.
     52      */
     53     public LabelNode start;
     54 
     55     /**
     56      * Constructs a new {@link LineNumberNode}.
     57      *
     58      * @param line a line number. This number refers to the source file from
     59      *        which the class was compiled.
     60      * @param start the first instruction corresponding to this line number.
     61      */
     62     public LineNumberNode(final int line, final LabelNode start) {
     63         super(-1);
     64         this.line = line;
     65         this.start = start;
     66     }
     67 
     68     public int getType() {
     69         return LINE;
     70     }
     71 
     72     public void accept(final MethodVisitor mv) {
     73         mv.visitLineNumber(line, start.getLabel());
     74     }
     75 
     76     public AbstractInsnNode clone(final Map labels) {
     77         return new LineNumberNode(line, clone(start, labels));
     78     }
     79 }
     80