/* Soot - a J*va Optimization Framework
 * Copyright (C) 1999 Patrick Lam
 * Copyright (C) 2004 Ondrej Lhotak
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the Sable Research Group and others 1997-1999.  
 * See the 'credits' file distributed with Soot for the complete list of
 * contributors.  (Soot is distributed at http://www.sable.mcgill.ca/soot)
 */






package soot.grimp.internal;

import soot.*;
import soot.grimp.*;
import soot.jimple.internal.*;
import java.util.*;

public class GVirtualInvokeExpr extends AbstractVirtualInvokeExpr
    implements Precedence
{
    public GVirtualInvokeExpr(Value base, SootMethodRef methodRef, List args)
    {
        super(Grimp.v().newObjExprBox(base), methodRef,
              new ValueBox[args.size()]);

        for(int i = 0; i < args.size(); i++)
            this.argBoxes[i] = Grimp.v().newExprBox((Value) args.get(i));
    }


    public int getPrecedence() { return 950; }

    private String toString(Value op, String opString, String rightString)
    {
        String leftOp = opString;
	
        if (getBase() instanceof Precedence && 
            ((Precedence)getBase()).getPrecedence() < getPrecedence()) 
            leftOp = "(" + leftOp + ")";
        return leftOp + rightString;
    }

    public String toString()
    {
        StringBuffer buffer = new StringBuffer();

        buffer.append("." + methodRef.getSignature() + "(");

        for(int i = 0; i < argBoxes.length; i++)
        {
            if(i != 0)
                buffer.append(", ");

            buffer.append(argBoxes[i].getValue().toString());
        }

        buffer.append(")");

        return toString(getBase(), getBase().toString(), 
                        buffer.toString());
    }

    public void toString(UnitPrinter up)
    {
        if( PrecedenceTest.needsBrackets( baseBox, this ) ) up.literal("(");
        baseBox.toString(up);
        if( PrecedenceTest.needsBrackets( baseBox, this ) ) up.literal(")");
        up.literal(".");
        up.methodRef(methodRef);
        up.literal("(");

        for(int i = 0; i < argBoxes.length; i++)
        {
            if(i != 0)
                up.literal(", ");

            argBoxes[i].toString(up);
        }

        up.literal(")");
    }

    
    public Object clone() 
    {
        ArrayList clonedArgs = new ArrayList(getArgCount());

        for(int i = 0; i < getArgCount(); i++) {
            clonedArgs.add(i, Grimp.cloneIfNecessary(getArg(i)));
        }
        
        return new  GVirtualInvokeExpr(Grimp.cloneIfNecessary(getBase()), methodRef, 
            clonedArgs);
    }

}