Annotation of GNUtools/cc/bi-arity.c, revision 1.1.1.1

1.1       root        1: /* Bytecode Interpreter utility to generate arity table.
                      2:    Copyright (C) 1993 Free Software Foundation, Inc.
                      3: 
                      4: This file is part of GNU CC.
                      5: 
                      6: GNU CC is free software; you can redistribute it and/or modify
                      7: it under the terms of the GNU General Public License as published by
                      8: the Free Software Foundation; either version 2, or (at your option)
                      9: any later version.
                     10: 
                     11: GNU CC is distributed in the hope that it will be useful,
                     12: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     14: GNU General Public License for more details.
                     15: 
                     16: You should have received a copy of the GNU General Public License
                     17: along with GNU CC; see the file COPYING.  If not, write to
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     19: 
                     20: 
                     21: #include <stdio.h>
                     22: #include "hconfig.h"
                     23: #include "bi-defs.h"
                     24: 
                     25: int
                     26: length (n)
                     27:      struct node *n;
                     28: {
                     29:   int k;
                     30: 
                     31:   for (k = 0; n; n = n->next)
                     32:     ++k;
                     33:   return k;
                     34: }
                     35: 
                     36: int
                     37: main ()
                     38: {
                     39:   struct def *d;
                     40:   struct variation *v;
                     41:   struct node *n;
                     42: 
                     43:   yyparse ();
                     44:   reverse ();
                     45: 
                     46:   for (d = defs; d; d = d->next)
                     47:     for (v = d->variations; v; v = v->next)
                     48:       {
                     49:        printf ("{ %d, %d, %d, {", length (v->inputs),
                     50:               length (v->outputs), length (v->literals));
                     51:        for (n = v->literals; n; n = n->next)
                     52:          printf ("%scode, ", n->text);
                     53:        if (v->literals == 0)
                     54:          printf ("0");
                     55:        printf ("}},\n");
                     56:       }
                     57: 
                     58:   fflush (stdout);
                     59:   exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
                     60:   /* NOTREACHED */
                     61:   return 0;
                     62: }
                     63: 
                     64: /* Safely allocate NBYTES bytes of memory. Returns pointer to block of
                     65:    memory. */
                     66: char *
                     67: xmalloc (nbytes)
                     68:      int nbytes;
                     69: {
                     70:   char *tmp = (char *) malloc (nbytes);
                     71:   
                     72:   if (!tmp)
                     73:     {
                     74:       fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n", nbytes);
                     75:       exit (FATAL_EXIT_CODE);
                     76:     }
                     77: 
                     78:   return tmp;
                     79: }

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