ghc/compiler/parser/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
  27     argv++; argc--;
  28     process_args(argc,argv);
  29
  30     hash_init();
  31     yyinit();
  32
  33     if(yyparse() == 0 && !etags)
  34       {
  35         /* No syntax errors. */
  36         pprogram(root);
  37         printf("\n");
  38         exit(0);
  39       }
  40     else if(etags)
  41       {
  42         exit(0);
  43       }
  44     else
  45       {
  46         /* There was a syntax error. */
  47         printf("\n");
  48         exit(1);
  49       }
  50 }