gcc/gencheck.c

   1 /* Generate check macros for tree codes.
   2    Copyright (C) 1998, 1999, 2000 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 static void usage PARAMS ((void));
  33
  34 static void
  35 usage ()
  36 {
  37   fprintf (stderr,"Usage: gencheck\n");
  38 }
  39
  40 extern int main PARAMS ((int, char **));
  41
  42 int
  43 main (argc, argv)
  44      int argc;
  45      char **argv ATTRIBUTE_UNUSED;
  46 {
  47   int i;
  48
  49   switch (argc)
  50     {
  51     case 1:
  52       break;
  53
  54     default:
  55       usage ();
  56       return (1);
  57     }
  58
  59   printf ("/* This file is generated using gencheck. Do not edit. */\n");
  60   for (i = 0; tree_codes[i]; i++)
  61     {
  62       printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
  63               tree_codes[i], tree_codes[i]);
  64     }
  65
  66   return 0;
  67 }
  68
  69 #if defined(USE_C_ALLOCA)
  70 /* FIXME: We only need an xmalloc definition because we are forced to
  71    link with alloca.o on some platforms.  This should go away if/when
  72    we link against libiberty.a. (ghazi@caip.rutgers.edu 6/3/98) */
  73 PTR
  74 xmalloc (nbytes)
  75   size_t nbytes;
  76 {
  77   register PTR tmp = (PTR) malloc (nbytes);
  78
  79   if (!tmp)
  80     {
  81       fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n",
  82                nbytes);
  83       exit (FATAL_EXIT_CODE);
  84     }
  85
  86   return tmp;
  87 }
  88 #endif /* USE_C_ALLOCA */