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