235 lines
8.1 KiB
C
235 lines
8.1 KiB
C
/* Language-specific hook definitions for C front end.
|
|
Copyright (C) 1991, 1995, 1997, 1998,
|
|
1999, 2000, 2001, 2003, 2004 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
|
|
version.
|
|
|
|
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 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 "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"
|
|
|
|
static void c_initialize_diagnostics (diagnostic_context *);
|
|
|
|
enum c_language_kind c_language = clk_c;
|
|
|
|
/* ### When changing hooks, consider if ObjC needs changing too!! ### */
|
|
|
|
#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_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. */
|
|
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
|
|
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), 0);
|
|
}
|
|
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"
|