OAN_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 OAN mutants to files</p>
 * @author Yu-Seung Ma
 * @version 1.0
  */

public class OAN_Writer extends MutantCodeWriter
{
   MethodCall original = null;
   String mutant = null;

   /**
    * Set original source code and mutated code
    * @param original
    * @param mutant
    */
   public void setMutant(MethodCall original, String mutant)
   {
      this.original = original;
      this.mutant = mutant;
   }

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

   public void visit( MethodCall p ) throws ParseTreeException
   {
      if (isSameObject(p, original))
      { 
  	     //------------------------------------------------------
	     mutated_line = line_num;
	     writeLog(removeNewline(p.toString() + " => " + mutant));
   	     //---------------------------------------------------
	
	     out.print(mutant);
      } 
      else 
      {
         Expression expr = p.getReferenceExpr();
         TypeName reftype = p.getReferenceType();

         if (expr != null) 
         {
            if (expr instanceof Leaf || expr instanceof ArrayAccess ||
                expr instanceof FieldAccess || expr instanceof MethodCall ||
                expr instanceof Variable) 
            {
               expr.accept( this );
            } 
            else 
            {
		       writeParenthesis( expr );
            }
            out.print( "." );
         } 
         else if (reftype != null) 
         {
	        reftype.accept( this );
	        out.print( "." );
	     }

         String name = p.getName();
         out.print( name );

         ExpressionList args = p.getArguments();
	     writeArguments( args );
      }
   }
}