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     process_args(argc,argv);
  28
  29     hash_init();
  30
  31 #ifdef HSP_DEBUG
  32     fprintf(stderr,"input_file_dir=%s\n",input_file_dir);
  33 #endif
  34
  35     yyinit();
  36
  37     if(yyparse() == 0 && !etags)
  38       {
  39         /* No syntax errors. */
  40         pprogram(root);
  41         printf("\n");
  42         exit(0);
  43       }
  44     else if(etags)
  45       {
  46         exit(0);
  47       }
  48     else
  49       {
  50         /* There was a syntax error. */
  51         printf("\n");
  52         exit(1);
  53       }
  54 }