//--------------------------------------------------------------------------------------------------
//
//  @ CopyRight Roberti & Parau Enterprises, Inc.  2021-2023
//
//  This work is licensed under the Creative Commons Attribution-NoDerivatives 4.0 International License.
//  To view a copy of this license, visit http://creativecommons.org/licenses/by-nd/4.0/
//   or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
//
//--------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
//
//  ProcessOpCodes interface
//
//-------------------------------------------------------------------------------------------------

package 		framework;

import          java.math.BigInteger;


public  abstract    class   DVOpCodeProcessor {

    public      boolean         preProcessOpCode(DVStatements.Statement owner) {
        return true;
    };

    public      DVExpression    getValueExpression(DVStatements.Statement owner) {
        return null;
    }

    public      DVExpression    getReplExpression(DVOpCodeParm parm, DVStatements.Statement owner) {
        return null;
    }

    public      DVCode          generateCode(DVStatements.Statement owner) {   
        return null;
    }
    
    //
    //	Default attributes
    //
    public      boolean     getValueInParm()    	{ return false; }
    public      BigInteger  getLength()         	{ return BigInteger.ZERO; }
    public      BigInteger  getRepl()           	{ return BigInteger.ONE; }
    public      BigInteger  getAlign()          	{ return BigInteger.ONE; }
    public      boolean     getNeedSection()    	{ return true; }
    public      boolean     getNeedLabel()      	{ return false; }
    public      boolean     getNoLabel()        	{ return false; }
    
    public		int[]		getPosParmMinMax()		{ return null; }
    public		boolean[]   getPosParmDefault()		{ return null; }
    public		int[][]		getSubParmMinMax()		{ return null; }
    public		boolean[][] getSubParmDefault()		{ return null; }
    public		String[]	getKeyWordList()		{ return null; }

    //
    //	Predefine static fields with most commonly used BigIntegers
    //
    public      static  final   BigInteger  BI_2   = BigInteger.valueOf(      2);
    public      static  final   BigInteger  BI_4   = BigInteger.valueOf(      4);
    public      static  final   BigInteger  BI_8   = BigInteger.valueOf(      8);
    public      static  final   BigInteger  BI_16  = BigInteger.valueOf(     16);
    public      static  final   BigInteger  BI_32  = BigInteger.valueOf(     32);
    public      static  final   BigInteger  BI_64  = BigInteger.valueOf(     64);
    public      static  final   BigInteger  BI_128 = BigInteger.valueOf(    128);
    public      static  final   BigInteger  BI_256 = BigInteger.valueOf(    256);
    public      static  final   BigInteger  BI_512 = BigInteger.valueOf(    512);
    public      static  final   BigInteger  BI_1K  = BigInteger.valueOf(   1024);
    public      static  final   BigInteger  BI_2K  = BigInteger.valueOf( 2*1024);
    public      static  final   BigInteger  BI_4K  = BigInteger.valueOf( 4*1024);
    public      static  final   BigInteger  BI_8K  = BigInteger.valueOf( 8*1024);
    public      static  final   BigInteger  BI_16K = BigInteger.valueOf(16*1024);
    public      static  final   BigInteger  BI_32K = BigInteger.valueOf(32*1024);
    public      static  final   BigInteger  BI_64K = BigInteger.valueOf(64*1024);
    
    enum	RelocationType {
    	NONE
    }
}