/* Language-specific hook definitions for C front end.
- Copyright (C) 1991 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1995, 1997, 1998,
+ 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
-#include <stdio.h>
-#include "input.h"
-
-/* Each of the functions defined here
- is an alternative to a function in objc-actions.c. */
-
-int
-lang_decode_option (p)
- char *p;
-{
- return c_decode_option (p);
-}
-
-void
-lang_init ()
-{
- /* the beginning of the file is a new line; check for # */
- /* With luck, we discover the real source file's name from that
- and put it in input_filename. */
- ungetc (check_newline (), finput);
-}
-
-void
-lang_finish ()
-{
-}
-
-char *
-lang_identify ()
-{
- return "c";
-}
-
+#include "c-tree.h"
+#include "c-common.h"
+#include "ggc.h"
+#include "langhooks.h"
+#include "langhooks-def.h"
+#include "tree-inline.h"
+#include "diagnostic.h"
+#include "c-pretty-print.h"
+#include "c-objc-common.h"
+
+enum c_language_kind c_language = clk_c;
+
+/* Lang hooks common to C and ObjC are declared in c-objc-common.h;
+ consequently, there should be very few hooks below. */
+
+#undef LANG_HOOKS_NAME
+#define LANG_HOOKS_NAME "GNU C"
+#undef LANG_HOOKS_INIT
+#define LANG_HOOKS_INIT c_objc_common_init
+#undef LANG_HOOKS_TYPES_COMPATIBLE_P
+#define LANG_HOOKS_TYPES_COMPATIBLE_P c_types_compatible_p
+
+/* Each front end provides its own lang hook initializer. */
+const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
+
+/* Tree code classes. */
+
+#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
+
+const char tree_code_type[] = {
+#include "tree.def"
+ 'x',
+#include "c-common.def"
+};
+#undef DEFTREECODE
+
+/* Table indexed by tree code giving number of expression
+ operands beyond the fixed part of the node structure.
+ Not used for types or decls. */
+
+#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
+
+const unsigned char tree_code_length[] = {
+#include "tree.def"
+ 0,
+#include "c-common.def"
+};
+#undef DEFTREECODE
+
+/* Names of tree components.
+ Used for printing out the tree and error messages. */
+#define DEFTREECODE(SYM, NAME, TYPE, LEN) NAME,
+
+const char *const tree_code_name[] = {
+#include "tree.def"
+ "@@dummy",
+#include "c-common.def"
+};
+#undef DEFTREECODE
+
+/* Final processing of file-scope data. The Objective-C version of
+ this function still does something. */
void
-print_lang_statistics ()
-{
-}
-
-/* Used by c-lex.c, but only for objc. */
-
-tree
-lookup_interface (arg)
- tree arg;
-{
- return 0;
-}
-
-tree
-is_class_name (arg)
- tree arg;
-{
- return 0;
-}
-
-void
-maybe_objc_check_decl (decl)
- tree decl;
+finish_file (void)
{
}
int
-maybe_objc_comptypes (lhs, rhs, reflexive)
- tree lhs, rhs;
- int reflexive;
-{
- return -1;
-}
-
-tree
-maybe_objc_method_name (decl)
- tree decl;
+c_types_compatible_p (tree x, tree y)
{
- return 0;
+ return comptypes (TYPE_MAIN_VARIANT (x), TYPE_MAIN_VARIANT (y));
}
-tree
-maybe_building_objc_message_expr ()
-{
- return 0;
-}
-
-int
-recognize_objc_keyword ()
-{
- return 0;
-}
-
-tree
-build_objc_string (len, str)
- int len;
- char *str;
-{
- abort ();
- return NULL_TREE;
-}
-
-void
-GNU_xref_begin ()
-{
- fatal ("GCC does not yet support XREF");
-}
-
-void
-GNU_xref_end ()
-{
- fatal ("GCC does not yet support XREF");
-}
+#include "gtype-c.h"