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codeblock.h

/*
 *  Fenix - Videogame compiler/interpreter
 *  Current release       : FENIX - PROJECT 1.0 - R 0.84
 *  Last stable release   :
 *  Project documentation : http://fenix.divsite.net
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 *  Copyright © 1999 José Luis Cebrián Pagüe
 *  Copyright © 2002 Fenix Team
 *
 */

#ifndef __CODEBLOCK_H
#define __CODEBLOCK_H

/* Bloques de código compilado. Contienen estructuras que sólo se emplean
 * durante el compilado: la función program_postprocess() independiza los
 * datos (CODEBLOCK.data[]) de dichas estructuras, que el intérprete
 * no necesita */

typedef struct _codeblock
{
      int * data ;
      int reserved ;
      int current ;
      int previous ;
      int previous2 ;

      int * loops ;
      int loop_count ;
      int loop_reserved ;
      int loop_active ;

      int * labels ;
      int label_count ;
      int label_reserved ;
}
CODEBLOCK ;

typedef struct _codeblock_pos
{
      int current;
      int previous;
      int previous2;
}
CODEBLOCK_POS ;

extern void codeblock_init(CODEBLOCK * c) ;
extern void codeblock_add (CODEBLOCK * c, int code, int param) ;
extern void codeblock_add_block (CODEBLOCK * c, CODEBLOCK_POS from, CODEBLOCK_POS to);
extern void codeblock_loop_start (CODEBLOCK * c, int loop, int begin) ;
extern void codeblock_loop_end (CODEBLOCK * c, int loop, int end) ;
extern int  codeblock_loop_add (CODEBLOCK * c) ;
extern int  codeblock_label_add (CODEBLOCK * c) ;
extern void codeblock_label_set (CODEBLOCK * c, int label, int offset) ;
extern void codeblock_postprocess (CODEBLOCK * c) ;
extern void codeblock_dump (CODEBLOCK * c) ;
extern void mnemonic_dump (int i, int param) ;
extern void program_postprocess () ;

extern CODEBLOCK_POS codeblock_pos(CODEBLOCK * c);
extern void          codeblock_setpos(CODEBLOCK * c, CODEBLOCK_POS p);

#endif


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