ghc/compiler/yaccParser/main.c

   1 /* This is the "top-level" file for the *standalone* hsp parser.
   2    See also hsclink.c.  (WDP 94/10)
   3 */
   4
   5 #include <stdio.h>
   6
   7 #include "hspincl.h"
   8 #include "constants.h"
   9 #include "utils.h"
  10
  11 /*OLD:static char *progname;*/          /* The name of the program.              */
  12
  13
  14 /**********************************************************************
  15 *                                                                     *
  16 *                                                                     *
  17 *     The main program                                                *
  18 *                                                                     *
  19 *                                                                     *
  20 **********************************************************************/
  21
  22 int
  23 main(int argc, char **argv)
  24 {
  25     Lnil = mklnil();    /* The null list -- used in lsing, etc. */
  26     all = mklnil();             /* This should be the list of all derivable types */
  27
  28     process_args(argc,argv);
  29
  30     hash_init();
  31
  32 #ifdef HSP_DEBUG
  33     fprintf(stderr,"input_file_dir=%s\n",input_file_dir);
  34 #endif
  35
  36     yyinit();
  37
  38     if(yyparse() == 0 && !etags)
  39       {
  40         /* No syntax errors. */
  41         pprogram(root);
  42         printf("\n");
  43         exit(0);
  44       }
  45     else if(etags)
  46       {
  47         exit(0);
  48       }
  49     else
  50       {
  51         /* There was a syntax error. */
  52         printf("\n");
  53         exit(1);
  54       }
  55 }