vpParser.cpp

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2015 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * ("GPL") version 2 as published by the Free Software Foundation.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Le module "parser.c" contient les procedures de gestion
 * de l'analyse syntaxique d'un fichier source dont la grammaire
 * possede les symboles terminaux de "lex.c".
 *
 * Authors:
 * Jean-Luc CORRE
 *
 *****************************************************************************/




#include    <visp3/robot/vpMy.h>
#include    <visp3/robot/vpArit.h>
#include    <visp3/robot/vpView.h>
#include    <visp3/robot/vpBound.h>
#include    <visp3/robot/vpToken.h>
#include    <visp3/robot/vpLex.h>
#include    <visp3/robot/vpSkipio.h>

#include    <stdio.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS

#ifdef  used
extern  Byte        *get_remove (void);
extern  View_parameters *get_view_parameters (void);
#endif  /* used */

/*
 * La procedure "parser" fait l'analyse syntaxique du fichier source.
 * Entree/Sortie :
 * bsp      Scene surfacique polygonale a lire.
 */
void parser (Bound_scene *bsp)
{
    int token;

    while ((token = lex ()) != T_EOF) 
    switch (token) {
    case '$' :
        switch (lex ()) {
        case T_IDENT    :   /* saute la commande inconnue   */
            skip_cmd (/* stderr */);
            unlex ();
            break;
        case T_EXIT :
            return;
            break;
        case T_BOUND    :
            if (bsp->bound.nbr == BOUND_NBR) {
                fprintf (stderr, "mire: too much bound\n");
                return;
            }
            fscanf_Bound (
            &(bsp->bound.ptr[bsp->bound.nbr++]));
            break;
#ifdef  used
        case T_REMOVE   :
            fscanf_Remove (get_remove ());
            break;
        case T_VIEW :
            fscanf_View_parameters (get_view_parameters ());
            set_projection (void);
            break;
#endif  /* used */
        default     :
          lexerr ("start", "keyword expected", NULL); 
            break;
        }
        break;
    default :
      lexerr ("start", "symbol '$' expected", NULL);
        break;
    }
}

#endif