Visual Servoing Platform  version 3.5.1 under development (2022-09-25)
vpParser.cpp
1 /****************************************************************************
2  *
3  * ViSP, open source Visual Servoing Platform software.
4  * Copyright (C) 2005 - 2019 by Inria. All rights reserved.
5  *
6  * This software is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  * See the file LICENSE.txt at the root directory of this source
11  * distribution for additional information about the GNU GPL.
12  *
13  * For using ViSP with software that can not be combined with the GNU
14  * GPL, please contact Inria about acquiring a ViSP Professional
15  * Edition License.
16  *
17  * See http://visp.inria.fr for more information.
18  *
19  * This software was developed at:
20  * Inria Rennes - Bretagne Atlantique
21  * Campus Universitaire de Beaulieu
22  * 35042 Rennes Cedex
23  * France
24  *
25  * If you have questions regarding the use of this file, please contact
26  * Inria at visp@inria.fr
27  *
28  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30  *
31  * Description:
32  * Le module "parser.c" contient les procedures de gestion
33  * de l'analyse syntaxique d'un fichier source dont la grammaire
34  * possede les symboles terminaux de "lex.c".
35  *
36  * Authors:
37  * Jean-Luc CORRE
38  *
39  *****************************************************************************/
40 
41 #include "vpParser.h"
42 #include "vpBoundio.h"
43 #include "vpLex.h"
44 #include "vpSkipio.h"
45 #include "vpToken.h"
46 
47 #include <stdio.h>
48 #ifndef DOXYGEN_SHOULD_SKIP_THIS
49 
50 /*
51  * La procedure "parser" fait l'analyse syntaxique du fichier source.
52  * Entree/Sortie :
53  * bsp Scene surfacique polygonale a lire.
54  */
55 void parser(Bound_scene *bsp)
56 {
57  int token;
58 
59  while ((token = lex()) != T_EOF)
60  switch (token) {
61  case '$':
62  switch (lex()) {
63  case T_IDENT: /* saute la commande inconnue */
64  skip_cmd(/* stderr */);
65  unlex();
66  break;
67  case T_EXIT:
68  return;
69  break;
70  case T_BOUND:
71  if (bsp->bound.nbr == BOUND_NBR) {
72  fprintf(stderr, "mire: too much bound\n");
73  return;
74  }
75  fscanf_Bound(&(bsp->bound.ptr[bsp->bound.nbr++]));
76  break;
77 #ifdef used
78  case T_REMOVE:
79  fscanf_Remove(get_remove());
80  break;
81  case T_VIEW:
82  fscanf_View_parameters(get_view_parameters());
83  set_projection(void);
84  break;
85 #endif /* used */
86  default:
87  lexerr("start", "keyword expected", NULL);
88  break;
89  }
90  break;
91  default:
92  lexerr("start", "symbol '$' expected", NULL);
93  break;
94  }
95 }
96 
97 #endif