/* Language-specific hook definitions for C front end.
Copyright (C) 1991, 1995, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2001 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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 "tree.h"
-#include "function.h"
-#include "input.h"
-#include "toplev.h"
-#include "diagnostic.h"
-#include "output.h"
-#include "flags.h"
-#include "ggc.h"
-#include "rtl.h"
-#include "expr.h"
#include "c-tree.h"
-#include "c-lex.h"
-#include "cpplib.h"
-
-static int c_tree_printer PARAMS ((output_buffer *));
-
-/* Each of the functions defined here
- is an alternative to a function in objc-actions.c. */
-
-int
-lang_decode_option (argc, argv)
- int argc;
- char **argv;
-{
- return c_decode_option (argc, argv);
-}
-
-void
-lang_init_options ()
-{
- cpp_init ();
- cpp_reader_init (&parse_in, CLK_GNUC89);
-
- /* Mark as "unspecified". */
- flag_bounds_check = -1;
-}
-
-void
-lang_init ()
-{
- /* If still "unspecified", make it match -fbounded-pointers. */
- if (flag_bounds_check < 0)
- flag_bounds_check = flag_bounded_pointers;
-
- /* If still unspecified, make it match pedantic && -std=c99. */
- if (mesg_implicit_function_declaration < 0)
- {
- if (pedantic && flag_isoc99)
- mesg_implicit_function_declaration = flag_pedantic_errors ? 2 : 1;
- else
- mesg_implicit_function_declaration = 0;
- }
-
- save_lang_status = &push_c_function_context;
- restore_lang_status = &pop_c_function_context;
- mark_lang_status = &mark_c_function_context;
- lang_expand_expr = &c_expand_expr;
- lang_safe_from_p = &c_safe_from_p;
- lang_printer = &c_tree_printer;
- lang_expand_decl_stmt = &c_expand_decl_stmt;
-
- c_parse_init ();
-}
-
-void
-lang_finish ()
-{
-}
-
-const char *
-lang_identify ()
-{
- return "c";
-}
-
-void
-print_lang_statistics ()
-{
-}
-
-/* used by print-tree.c */
+#include "c-common.h"
+#include "ggc.h"
+#include "langhooks.h"
+#include "langhooks-def.h"
+
+static void c_init_options PARAMS ((void));
+
+/* ### When changing hooks, consider if ObjC needs changing too!! ### */
+
+#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
+
+/* 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
-void
-lang_print_xnode (file, node, indent)
- FILE *file ATTRIBUTE_UNUSED;
- tree node ATTRIBUTE_UNUSED;
- int indent ATTRIBUTE_UNUSED;
+static void
+c_init_options ()
{
+ c_common_init_options (clk_c);
}
/* Used by c-lex.c, but only for objc. */
return 0;
}
+tree
+objc_is_id (arg)
+ tree arg ATTRIBUTE_UNUSED;
+{
+ return 0;
+}
+
void
-maybe_objc_check_decl (decl)
+objc_check_decl (decl)
tree decl ATTRIBUTE_UNUSED;
{
}
int
-maybe_objc_comptypes (lhs, rhs, reflexive)
+objc_comptypes (lhs, rhs, reflexive)
tree lhs ATTRIBUTE_UNUSED;
tree rhs ATTRIBUTE_UNUSED;
int reflexive ATTRIBUTE_UNUSED;
}
tree
-maybe_objc_method_name (decl)
- tree decl ATTRIBUTE_UNUSED;
-{
- return 0;
-}
-
-tree
-maybe_building_objc_message_expr ()
-{
- return 0;
-}
-
-int
-recognize_objc_keyword ()
+objc_message_selector ()
{
return 0;
}
return 0;
}
-#if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
-extern tree static_ctors;
-extern tree static_dtors;
-
-static tree start_cdtor PARAMS ((int));
-static void finish_cdtor PARAMS ((tree));
-
-static tree
-start_cdtor (method_type)
- int method_type;
-{
- tree fnname = get_file_function_name (method_type);
- tree void_list_node_1 = build_tree_list (NULL_TREE, void_type_node);
- tree body;
-
- start_function (void_list_node_1,
- build_parse_node (CALL_EXPR, fnname,
- tree_cons (NULL_TREE, NULL_TREE,
- void_list_node_1),
- NULL_TREE),
- NULL_TREE, NULL_TREE);
- store_parm_decls ();
-
- current_function_cannot_inline
- = "static constructors and destructors cannot be inlined";
-
- body = c_begin_compound_stmt ();
-
- pushlevel (0);
- clear_last_expr ();
- add_scope_stmt (/*begin_p=*/1, /*partial_p=*/0);
-
- return body;
-}
-
-static void
-finish_cdtor (body)
- tree body;
-{
- tree scope;
- tree block;
-
- scope = add_scope_stmt (/*begin_p=*/0, /*partial_p=*/0);
- block = poplevel (0, 0, 0);
- SCOPE_STMT_BLOCK (TREE_PURPOSE (scope)) = block;
- SCOPE_STMT_BLOCK (TREE_VALUE (scope)) = block;
-
- RECHAIN_STMTS (body, COMPOUND_BODY (body));
-
- finish_function (0);
-}
-#endif
-
-/* Called at end of parsing, but before end-of-file processing. */
-
void
finish_file ()
{
-#ifndef ASM_OUTPUT_CONSTRUCTOR
- if (static_ctors)
- {
- tree body = start_cdtor ('I');
-
- for (; static_ctors; static_ctors = TREE_CHAIN (static_ctors))
- c_expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors),
- NULL_TREE));
-
- finish_cdtor (body);
- }
-#endif
-#ifndef ASM_OUTPUT_DESTRUCTOR
- if (static_dtors)
- {
- tree body = start_cdtor ('D');
-
- for (; static_dtors; static_dtors = TREE_CHAIN (static_dtors))
- c_expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors),
- NULL_TREE));
-
- finish_cdtor (body);
- }
-#endif
-
- if (back_end_hook)
- (*back_end_hook) (getdecls ());
-
- if (flag_dump_translation_unit)
- dump_node_to_file (getdecls (), flag_dump_translation_unit);
+ c_objc_common_finish_file ();
}
-/* Called during diagnostic message formatting process to print a
- source-level entity onto BUFFER. The meaning of the format specifiers
- is as follows:
- %D: a general decl,
- %F: a function declaration,
- %T: a type.
-
- These format specifiers form a subset of the format specifiers set used
- by the C++ front-end.
- Please notice when called, the `%' part was already skipped by the
- diagnostic machinery. */
-static int
-c_tree_printer (buffer)
- output_buffer *buffer;
-{
- tree t = va_arg (output_buffer_format_args (buffer), tree);
-
- switch (*output_buffer_text_cursor (buffer))
- {
- case 'D':
- case 'F':
- case 'T':
- {
- const char *n = DECL_NAME (t)
- ? (*decl_printable_name) (t, 2)
- : "({anonymous})";
- output_add_string (buffer, n);
- }
- return 1;
-
- default:
- return 0;
- }
-}
+#include "gtype-c.h"
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