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 "c-common.def"
  29 #include "gencheck.h"
  30 (char*)0
  31 };
  32
  33 static void usage PARAMS ((void));
  34
  35 static void
  36 usage ()
  37 {
  38   fprintf (stderr,"Usage: gencheck\n");
  39 }
  40
  41 extern int main PARAMS ((int, char **));
  42
  43 int
  44 main (argc, argv)
  45      int argc;
  46      char **argv ATTRIBUTE_UNUSED;
  47 {
  48   int i;
  49
  50   switch (argc)
  51     {
  52     case 1:
  53       break;
  54
  55     default:
  56       usage ();
  57       return (1);
  58     }
  59
  60   printf ("/* This file is generated using gencheck. Do not edit. */\n");
  61   for (i = 0; tree_codes[i]; i++)
  62     {
  63       printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
  64               tree_codes[i], tree_codes[i]);
  65     }
  66
  67   return 0;
  68 }
  69
  70 #if defined(USE_C_ALLOCA)
  71 /* FIXME: We only need an xmalloc definition because we are forced to
  72    link with alloca.o on some platforms.  This should go away if/when
  73    we link against libiberty.a. (ghazi@caip.rutgers.edu 6/3/98) */
  74 PTR
  75 xmalloc (nbytes)
  76   size_t nbytes;
  77 {
  78   register PTR tmp = (PTR) malloc (nbytes);
  79
  80   if (!tmp)
  81     {
  82       fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n",
  83                nbytes);
  84       exit (FATAL_EXIT_CODE);
  85     }
  86
  87   return tmp;
  88 }
  89 #endif /* USE_C_ALLOCA */