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root/Development/ray/src/cv/mgflib/parser.c
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Comparing ray/src/cv/mgflib/parser.c (file contents):
Revision 1.17 by greg, Tue May 9 14:38:22 1995 UTC vs.
Revision 1.18 by greg, Thu May 11 20:17:33 1995 UTC

# Line 27 | Line 27 | char   mg_ename[MG_NENTITIES][MG_MAXELEN] = MG_NAMELIST;
27  
28   int     (*mg_ehand[MG_NENTITIES])();
29  
30 +                        /* Handler routine for unknown entities */
31 +
32 + int     (*mg_uhand)() = mg_defuhand;
33 +
34 + unsigned        mg_nunknown;    /* count of unknown entities */
35 +
36                          /* error messages */
37  
38   char    *mg_err[MG_NERRS] = MG_ERRLIST;
# Line 203 | Line 209 | char   **av;
209   {
210          int     rv;
211  
212 <        if (en < 0 && (en = mg_entity(av[0])) < 0)
212 >        if (en < 0 && (en = mg_entity(av[0])) < 0) {    /* unknown entity */
213 >                if (mg_uhand != NULL)
214 >                        return((*mg_uhand)(ac, av));
215                  return(MG_EUNK);
216 <        if (e_supp[en] != NULL) {
216 >        }
217 >        if (e_supp[en] != NULL) {                       /* support handler */
218                  if ((rv = (*e_supp[en])(ac, av)) != MG_OK)
219                          return(rv);
220          }
221 <        return((*mg_ehand[en])(ac, av));
221 >        return((*mg_ehand[en])(ac, av));                /* assigned handler */
222   }
223  
224  
# Line 354 | Line 363 | char   *fn;
363                  }
364          mg_close();
365          return(rval);
366 + }
367 +
368 +
369 + int
370 + mg_defuhand(ac, av)             /* default handler for unknown entities */
371 + int     ac;
372 + char    **av;
373 + {
374 +        if (mg_nunknown++ == 0)         /* report first incident */
375 +                fprintf(stderr, "%s: %d: %s: %s\n", mg_file->fname,
376 +                                mg_file->lineno, mg_err[MG_EUNK], av[0]);
377 +        return(MG_OK);
378   }
379  
380  

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