2009-04-05 Daniel Kraft <d@domob.eu>

[pf3gnuchains/gcc-fork.git] / gcc / c-lang.c

diff --git a/gcc/c-lang.c b/gcc/c-lang.c
index 3bdd246..42004f5 100644 (file)
--- a/gcc/c-lang.c
+++ b/gcc/c-lang.c
@@ -1,12 +1,13 @@
 /* Language-specific hook definitions for C front end.
    Copyright (C) 1991, 1995, 1997, 1998,
 /* Language-specific hook definitions for C front end.
    Copyright (C) 1991, 1995, 1997, 1998,

-   1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
+   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
 
 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
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY


@@ -15,9 +16,8 @@ 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
 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 "config.h"


@@ -32,203 +32,27 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "langhooks-def.h"
 #include "tree-inline.h"
 #include "diagnostic.h"
 #include "langhooks-def.h"
 #include "tree-inline.h"
 #include "diagnostic.h"

-#include "c-pretty-print.h"
-
-static void c_initialize_diagnostics (diagnostic_context *);
+#include "c-objc-common.h"
+#include "c-pragma.h"

 
 enum c_language_kind c_language = clk_c;
 
 
 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_NAME
 #define LANG_HOOKS_NAME "GNU C"

-#undef LANG_HOOKS_IDENTIFIER_SIZE
-#define LANG_HOOKS_IDENTIFIER_SIZE C_SIZEOF_STRUCT_LANG_IDENTIFIER

 #undef LANG_HOOKS_INIT
 #define LANG_HOOKS_INIT c_objc_common_init
 #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_common_init_options
-#undef LANG_HOOKS_INITIALIZE_DIAGNOSTICS
-#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS c_initialize_diagnostics
-#undef LANG_HOOKS_HANDLE_OPTION
-#define LANG_HOOKS_HANDLE_OPTION c_common_handle_option
-#undef LANG_HOOKS_MISSING_ARGUMENT
-#define LANG_HOOKS_MISSING_ARGUMENT c_common_missing_argument
-#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_EXPAND_DECL
-#define LANG_HOOKS_EXPAND_DECL c_expand_decl
-#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_CLEAR_BINDING_STACK
-#define LANG_HOOKS_CLEAR_BINDING_STACK lhd_do_nothing
-#undef LANG_HOOKS_TRUTHVALUE_CONVERSION
-#define LANG_HOOKS_TRUTHVALUE_CONVERSION c_objc_common_truthvalue_conversion
-#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_SET_DECL_ASSEMBLER_NAME
-#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME c_static_assembler_name
-#undef LANG_HOOKS_NO_BODY_BLOCKS
-#define LANG_HOOKS_NO_BODY_BLOCKS true
-#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_FUNCTION_MISSING_NORETURN_OK_P
-#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P c_missing_noreturn_ok_p
-#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
-#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL c_dup_lang_specific_decl
-
-/* 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_WALK_SUBTREES
-#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
-  c_walk_subtrees
-#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_TREE_CHAIN_MATTERS_P
-#define LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P \
-  c_tree_chain_matters_p
-#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_CALLGRAPH_EXPAND_FUNCTION
-#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION c_expand_body
-
-#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
-#undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
-#define LANG_HOOKS_REGISTER_BUILTIN_TYPE c_register_builtin_type
-
-/* The C front end's scoping structure is very different from
-   that expected by the language-independent code; it is best
-   to disable all of pushlevel, poplevel, set_block, and getdecls.
-   This means it must also provide its own write_globals.  */

 
 

-#undef LANG_HOOKS_PUSHLEVEL
-#define LANG_HOOKS_PUSHLEVEL lhd_do_nothing_i
-#undef LANG_HOOKS_POPLEVEL
-#define LANG_HOOKS_POPLEVEL lhd_do_nothing_iii_return_null_tree
-#undef LANG_HOOKS_SET_BLOCK
-#define LANG_HOOKS_SET_BLOCK lhd_do_nothing_t
-#undef LANG_HOOKS_GETDECLS
-#define LANG_HOOKS_GETDECLS lhd_return_null_tree_v
-#undef LANG_HOOKS_WRITE_GLOBALS
-#define LANG_HOOKS_WRITE_GLOBALS c_write_global_declarations
-
-/* Hooks for tree gimplification.  */
-#undef LANG_HOOKS_GIMPLIFY_EXPR
-#define LANG_HOOKS_GIMPLIFY_EXPR c_gimplify_expr
-
-#undef LANG_HOOKS_TYPES_COMPATIBLE_P
-#define LANG_HOOKS_TYPES_COMPATIBLE_P c_types_compatible_p
-
-/* ### When changing hooks, consider if ObjC needs changing too!! ### */
-
-/* Each front end provides its own.  */
+/* Each front end provides its own lang hook initializer.  */

 const struct lang_hooks lang_hooks = LANG_HOOKS_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
 finish_file (void)
 {
 void
 finish_file (void)
 {

-  c_objc_common_finish_file ();
-}
-
-int
-c_types_compatible_p (tree x, tree y)
-{
-    return comptypes (TYPE_MAIN_VARIANT (x), TYPE_MAIN_VARIANT (y));
-}
-static void
-c_initialize_diagnostics (diagnostic_context *context)
-{
-  pretty_printer *base = context->printer;
-  c_pretty_printer *pp = xmalloc (sizeof (c_pretty_printer));
-  memcpy (pp_base (pp), base, sizeof (pretty_printer));
-  pp_c_pretty_printer_init (pp);
-  context->printer = (pretty_printer *) pp;
-
-  /* It is safe to free this object because it was previously malloc()'d.  */
-  free (base);

 }
 
 #include "gtype-c.h"
 }
 
 #include "gtype-c.h"