PPD_Writer.java

/**
 * Copyright (C) 2015  the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 
package mujava.op;

import java.io.*;
import openjava.ptree.*;
import mujava.op.util.MutantCodeWriter;

/**
 * <p>Output and log PPD mutants to files</p>
 * @author Yu-Seung Ma
 * @version 1.0
  */ 

public class PPD_Writer extends MutantCodeWriter
{
   Parameter original = null;
   Parameter mutant = null;
   MethodDeclaration targetMethod = null;
   StatementList targetStmts  = null;

   /**
    * Set original source code and mutated code
    * @param m -- method to be mutated
    * @param original 
    * @param mutant
    */
   public void setMutant(MethodDeclaration m, Parameter original, Parameter mutant)
   {
      this.targetMethod = m;
      this.original = original;
      this.mutant = mutant;
      this.targetStmts = m.getBody();
   }

   public PPD_Writer( String file_name, PrintWriter out ) 
   {
	  super(file_name,out);
   }

   /**
    * Log mutated line
    */
   public void visit( StatementList p ) throws ParseTreeException
   {
      if (isSameObject(p, targetStmts))
      {
         mutated_line = line_num;
         writeTab();
         out.println(mutant.toString() + " = (" + mutant.getTypeSpecifier().getName()
                        + ")_" + original.getVariable() + ";");
         line_num++;
         writeLog(removeNewline(original.toString() + " => " + mutant.toString()));
      }
      writeList( p );
   }

   public void visit( Parameter p ) throws ParseTreeException
   {
      if (isSameObject(p, original))
      {
	     // -------------------------------------------------------------
   	     // mutated_line = line_num;
         Parameter temp = (Parameter)p.makeRecursiveCopy();
         temp.setVariable("_" + p.getVariable());
	     visit(temp);
   	     //writeLog(removeNewline(original.toString()+" => "+mutant.toString()));
	     // -------------------------------------------------------------
      }
      else
      {
         super.visit(p);
      }
   }
}