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vpParser.cpp
1 /****************************************************************************
2  *
3  * This file is part of the ViSP software.
4  * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
5  *
6  * This software is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * ("GPL") version 2 as published by the Free Software Foundation.
9  * See the file LICENSE.txt at the root directory of this source
10  * distribution for additional information about the GNU GPL.
11  *
12  * For using ViSP with software that can not be combined with the GNU
13  * GPL, please contact Inria about acquiring a ViSP Professional
14  * Edition License.
15  *
16  * See http://visp.inria.fr for more information.
17  *
18  * This software was developed at:
19  * Inria Rennes - Bretagne Atlantique
20  * Campus Universitaire de Beaulieu
21  * 35042 Rennes Cedex
22  * France
23  *
24  * If you have questions regarding the use of this file, please contact
25  * Inria at visp@inria.fr
26  *
27  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29  *
30  * Description:
31  * Le module "parser.c" contient les procedures de gestion
32  * de l'analyse syntaxique d'un fichier source dont la grammaire
33  * possede les symboles terminaux de "lex.c".
34  *
35  * Authors:
36  * Jean-Luc CORRE
37  *
38  *****************************************************************************/
39 
40 #include "vpParser.h"
41 #include "vpLex.h"
42 #include "vpToken.h"
43 #include "vpSkipio.h"
44 #include "vpBoundio.h"
45 
46 #include <stdio.h>
47 #ifndef DOXYGEN_SHOULD_SKIP_THIS
48 
49 /*
50  * La procedure "parser" fait l'analyse syntaxique du fichier source.
51  * Entree/Sortie :
52  * bsp Scene surfacique polygonale a lire.
53  */
54 void parser (Bound_scene *bsp)
55 {
56  int token;
57 
58  while ((token = lex ()) != T_EOF)
59  switch (token) {
60  case '$' :
61  switch (lex ()) {
62  case T_IDENT : /* saute la commande inconnue */
63  skip_cmd (/* stderr */);
64  unlex ();
65  break;
66  case T_EXIT :
67  return;
68  break;
69  case T_BOUND :
70  if (bsp->bound.nbr == BOUND_NBR) {
71  fprintf (stderr, "mire: too much bound\n");
72  return;
73  }
74  fscanf_Bound (
75  &(bsp->bound.ptr[bsp->bound.nbr++]));
76  break;
77 #ifdef used
78  case T_REMOVE :
79  fscanf_Remove (get_remove ());
80  break;
81  case T_VIEW :
82  fscanf_View_parameters (get_view_parameters ());
83  set_projection (void);
84  break;
85 #endif /* used */
86  default :
87  lexerr ("start", "keyword expected", NULL);
88  break;
89  }
90  break;
91  default :
92  lexerr ("start", "symbol '$' expected", NULL);
93  break;
94  }
95 }
96 
97 #endif