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PR middle-end/51994
[pf3gnuchains/gcc-fork.git] / gcc / c-lang.c
index ec17f50..ae1b081 100644 (file)
@@ -1,12 +1,13 @@
 /* Language-specific hook definitions for C front end.
    Copyright (C) 1991, 1995, 1997, 1998,
-   1999, 2000, 2001 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
 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
+Software Foundation; either version 3, or (at your option) any later
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,199 +16,37 @@ 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 GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 
 #include "config.h"
 #include "system.h"
+#include "coretypes.h"
+#include "tm.h"
 #include "tree.h"
 #include "c-tree.h"
-#include "c-common.h"
-#include "ggc.h"
+#include "c-family/c-common.h"
 #include "langhooks.h"
 #include "langhooks-def.h"
+#include "tree-inline.h"
+#include "diagnostic-core.h"
+#include "c-objc-common.h"
+#include "c-family/c-pragma.h"
 
-static void c_init_options PARAMS ((void));
+enum c_language_kind c_language = clk_c;
 
-/* ### When changing hooks, consider if ObjC needs changing too!! ### */
+/* 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_FINISH
-#define LANG_HOOKS_FINISH c_common_finish
-#undef LANG_HOOKS_INIT_OPTIONS
-#define LANG_HOOKS_INIT_OPTIONS c_init_options
-#undef LANG_HOOKS_DECODE_OPTION
-#define LANG_HOOKS_DECODE_OPTION c_common_decode_option
-#undef LANG_HOOKS_POST_OPTIONS
-#define LANG_HOOKS_POST_OPTIONS c_common_post_options
-#undef LANG_HOOKS_GET_ALIAS_SET
-#define LANG_HOOKS_GET_ALIAS_SET c_common_get_alias_set
-#undef LANG_HOOKS_SAFE_FROM_P
-#define LANG_HOOKS_SAFE_FROM_P c_safe_from_p
-#undef LANG_HOOKS_EXPAND_EXPR
-#define LANG_HOOKS_EXPAND_EXPR c_expand_expr
-#undef LANG_HOOKS_MARK_ADDRESSABLE
-#define LANG_HOOKS_MARK_ADDRESSABLE c_mark_addressable
-#undef LANG_HOOKS_PARSE_FILE
-#define LANG_HOOKS_PARSE_FILE c_common_parse_file
-#undef LANG_HOOKS_TRUTHVALUE_CONVERSION
-#define LANG_HOOKS_TRUTHVALUE_CONVERSION c_common_truthvalue_conversion
-#undef LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES
-#define LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES c_insert_default_attributes
-#undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
-#define LANG_HOOKS_FINISH_INCOMPLETE_DECL c_finish_incomplete_decl
-#undef LANG_HOOKS_UNSAFE_FOR_REEVAL
-#define LANG_HOOKS_UNSAFE_FOR_REEVAL c_common_unsafe_for_reeval
-#undef LANG_HOOKS_STATICP
-#define LANG_HOOKS_STATICP c_staticp
-#undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
-#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL c_warn_unused_global_decl
-#undef LANG_HOOKS_PRINT_IDENTIFIER
-#define LANG_HOOKS_PRINT_IDENTIFIER c_print_identifier
-#undef LANG_HOOKS_FUNCTION_ENTER_NESTED
-#define LANG_HOOKS_FUNCTION_ENTER_NESTED c_push_function_context
-#undef LANG_HOOKS_FUNCTION_LEAVE_NESTED
-#define LANG_HOOKS_FUNCTION_LEAVE_NESTED c_pop_function_context
-#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
-#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL c_dup_lang_specific_decl
+#undef LANG_HOOKS_INIT_TS
+#define LANG_HOOKS_INIT_TS c_common_init_ts
 
-/* Attribute hooks.  */
-#undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
-#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
-#undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
-#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
-
-#undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
-#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
-  c_cannot_inline_tree_fn
-#undef LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS
-#define LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS \
-  c_disregard_inline_limits
-#undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
-#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P \
-  anon_aggr_type_p
-#undef LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING
-#define LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING \
-  c_convert_parm_for_inlining
-#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
-#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN c_dump_tree
-
-#undef LANG_HOOKS_TYPE_FOR_MODE
-#define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
-#undef LANG_HOOKS_TYPE_FOR_SIZE
-#define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
-#undef LANG_HOOKS_SIGNED_TYPE
-#define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
-#undef LANG_HOOKS_UNSIGNED_TYPE
-#define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
-#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
-#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
-#undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
-#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR c_incomplete_type_error
-#undef LANG_HOOKS_TYPE_PROMOTES_TO
-#define LANG_HOOKS_TYPE_PROMOTES_TO c_type_promotes_to
-
-/* ### When changing hooks, consider if ObjC needs changing too!! ### */
-
-/* Each front end provides its own.  */
-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
-
-static void
-c_init_options ()
-{
-  c_common_init_options (clk_c);
-}
-
-/* Used by c-lex.c, but only for objc.  */
-
-tree
-lookup_interface (arg)
-     tree arg ATTRIBUTE_UNUSED;
-{
-  return 0;
-}
-
-tree
-is_class_name (arg)
-    tree arg ATTRIBUTE_UNUSED;
-{
-  return 0;
-}
-
-void
-objc_check_decl (decl)
-     tree decl ATTRIBUTE_UNUSED;
-{
-}
-
-int
-objc_comptypes (lhs, rhs, reflexive)
-     tree lhs ATTRIBUTE_UNUSED;
-     tree rhs ATTRIBUTE_UNUSED;
-     int reflexive ATTRIBUTE_UNUSED;
-{
-  return -1;
-}
-
-tree
-objc_message_selector ()
-{
-  return 0;
-}
-
-/* Used by c-typeck.c (build_external_ref), but only for objc.  */
-
-tree
-lookup_objc_ivar (id)
-     tree id ATTRIBUTE_UNUSED;
-{
-  return 0;
-}
-
-void
-finish_file ()
-{
-  c_objc_common_finish_file ();
-}
+/* Each front end provides its own lang hook initializer.  */
+struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
 
 #include "gtype-c.h"