gcc/bi-arity.c

   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 }