gcc/gencheck.c

   1 /* Generate check macros for tree codes.
   2    Copyright (C) 1998 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, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 #include "hconfig.h"
  22 #include "system.h"
  23 #include "gansidecl.h"
  24
  25 #define DEFTREECODE(SYM, NAME, TYPE, LEN)   STRINGIFY(SYM),
  26
  27 char *tree_codes[] = {
  28 #include "tree.def"
  29 #include "gencheck.h"
  30 (char*)0
  31 };
  32
  33 void usage ()
  34 {
  35   fprintf (stderr,"Usage: gencheck\n");
  36 }
  37
  38 int main (argc, argv)
  39      int argc;
  40      char *argv[] ATTRIBUTE_UNUSED;
  41 {
  42   int i;
  43
  44   switch (argc)
  45     {
  46     case 1:
  47       break;
  48
  49     default:
  50       usage ();
  51       exit (1);
  52     }
  53
  54   printf ("/* This file is generated using gencheck. Do not edit. */\n");
  55   for (i = 0; tree_codes[i]; i++)
  56     {
  57       printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
  58               tree_codes[i], tree_codes[i]);
  59       printf ("#define %s_CHECK1(t)\tTREE_CHECK1 (t, %s)\n",
  60               tree_codes[i], tree_codes[i]);
  61     }
  62
  63   return 0;
  64 }
  65
  66 #if defined(USE_C_ALLOCA)
  67 /* FIXME: We only need an xmalloc definition because we are forced to
  68    link with alloca.o on some platforms.  This should go away if/when
  69    we link against libiberty.a. (ghazi@caip.rutgers.edu 6/3/98) */
  70 char *
  71 xmalloc (nbytes)
  72      int nbytes;
  73 {
  74   char *tmp = (char *) malloc (nbytes);
  75
  76   if (!tmp)
  77     {
  78       fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n",
  79                nbytes);
  80       exit (FATAL_EXIT_CODE);
  81     }
  82
  83   return tmp;
  84 }
  85 #endif /* USE_C_ALLOCA */