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 GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 2, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING.  If not, write to the Free
  18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  19 02111-1307, USA.  */
  20
  21 #include "hconfig.h"
  22 #include "system.h"
  23
  24 #define DEFTREECODE(SYM, NAME, TYPE, LEN)   STRINGX(SYM),
  25
  26 static const char *const 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   fputs ("Usage: gencheck\n", stderr);
  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   puts ("/* This file is generated using gencheck. Do not edit. */\n");
  61   puts ("#ifndef GCC_TREE_CHECK_H");
  62   puts ("#define GCC_TREE_CHECK_H\n");
  63
  64   for (i = 0; tree_codes[i]; i++)
  65     {
  66       printf ("#define %s_CHECK(t)\tTREE_CHECK (t, %s)\n",
  67               tree_codes[i], tree_codes[i]);
  68     }
  69
  70   puts ("\n#endif /* GCC_TREE_CHECK_H */");
  71   return 0;
  72 }
  73
  74 #if defined(USE_C_ALLOCA)
  75 /* FIXME: We only need an xmalloc definition because we are forced to
  76    link with alloca.o on some platforms.  This should go away if/when
  77    we link against libiberty.a. (ghazi@caip.rutgers.edu 6/3/98) */
  78 PTR
  79 xmalloc (nbytes)
  80      size_t nbytes;
  81 {
  82   PTR tmp = (PTR) really_call_malloc (nbytes);
  83
  84   if (!tmp)
  85     {
  86       fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n",
  87                nbytes);
  88       exit (FATAL_EXIT_CODE);
  89     }
  90
  91   return tmp;
  92 }
  93 #endif /* USE_C_ALLOCA */