001/**
002 * www.jcoverage.com
003 * Copyright (C)2003 jcoverage ltd.
004 *
005 * This file is part of jcoverage.
006 *
007 * jcoverage is free software; you can redistribute it and/or modify
008 * it under the terms of the GNU General Public License as published
009 * by the Free Software Foundation; either version 2 of the License,
010 * or (at your option) any later version.
011 *
012 * jcoverage is distributed in the hope that it will be useful, but
013 * WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU General Public License
018 * along with jcoverage; if not, write to the Free Software
019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
020 * USA
021 *
022 */
023package com.jcoverage.util;
024
025import org.apache.bcel.generic.InstructionHandle;
026import org.apache.bcel.generic.LineNumberGen;
027import org.apache.bcel.generic.MethodGen;
028import org.apache.bcel.generic.Type;
029
030public class MethodGenHelper {
031  final MethodGen mg;
032
033  public MethodGenHelper(MethodGen mg) {
034    this.mg=mg;
035  }
036
037  public MethodGen getMethodGen() {
038    return mg;
039  }
040
041  public boolean hasLineNumber(InstructionHandle handle) {
042    LineNumberGen[] lineNumberGen=mg.getLineNumbers();
043    for(int i=0;i<lineNumberGen.length;i++) {
044      if(lineNumberGen[i].containsTarget(handle)) {
045        return true;
046      }
047    }
048    return false;
049  }
050
051  public int getLineNumber(InstructionHandle handle) {
052    LineNumberGen[] lineNumberGen=mg.getLineNumbers();
053    for(int i=0;i<lineNumberGen.length;i++) {
054      if(lineNumberGen[i].containsTarget(handle)) {
055        return lineNumberGen[i].getSourceLine();
056      }
057    }
058    return 0;
059  }
060
061  public boolean isVoidReturningMethod() {
062    return mg.getReturnType().equals(Type.VOID);
063  }
064}