199 lines
4.1 KiB
C
199 lines
4.1 KiB
C
/* Language-specific hook definitions for C front end.
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Copyright (C) 1991, 1995, 1997, 1998 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "config.h"
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#include "system.h"
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#include "tree.h"
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#include "input.h"
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#include "c-tree.h"
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#include "c-lex.h"
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#include "toplev.h"
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#include "output.h"
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/* Each of the functions defined here
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is an alternative to a function in objc-actions.c. */
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int
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lang_decode_option (argc, argv)
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int argc;
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char **argv;
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{
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return c_decode_option (argc, argv);
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}
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void
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lang_init_options ()
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{
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}
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void
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lang_init ()
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{
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#if !USE_CPPLIB
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/* the beginning of the file is a new line; check for # */
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/* With luck, we discover the real source file's name from that
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and put it in input_filename. */
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ungetc (check_newline (), finput);
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#endif
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}
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void
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lang_finish ()
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{
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}
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char *
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lang_identify ()
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{
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return "c";
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}
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void
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print_lang_statistics ()
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{
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}
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/* used by print-tree.c */
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void
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lang_print_xnode (file, node, indent)
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FILE *file ATTRIBUTE_UNUSED;
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tree node ATTRIBUTE_UNUSED;
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int indent ATTRIBUTE_UNUSED;
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{
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}
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/* Used by c-lex.c, but only for objc. */
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tree
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lookup_interface (arg)
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tree arg ATTRIBUTE_UNUSED;
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{
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return 0;
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}
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tree
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is_class_name (arg)
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tree arg ATTRIBUTE_UNUSED;
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{
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return 0;
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}
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void
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maybe_objc_check_decl (decl)
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tree decl ATTRIBUTE_UNUSED;
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{
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}
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int
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maybe_objc_comptypes (lhs, rhs, reflexive)
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tree lhs ATTRIBUTE_UNUSED;
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tree rhs ATTRIBUTE_UNUSED;
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int reflexive ATTRIBUTE_UNUSED;
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{
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return -1;
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}
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tree
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maybe_objc_method_name (decl)
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tree decl ATTRIBUTE_UNUSED;
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{
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return 0;
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}
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tree
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maybe_building_objc_message_expr ()
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{
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return 0;
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}
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int
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recognize_objc_keyword ()
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{
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return 0;
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}
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tree
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build_objc_string (len, str)
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int len ATTRIBUTE_UNUSED;
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char *str ATTRIBUTE_UNUSED;
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{
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abort ();
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return NULL_TREE;
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}
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/* Called at end of parsing, but before end-of-file processing. */
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void
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finish_file ()
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{
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#ifndef ASM_OUTPUT_CONSTRUCTOR
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extern tree static_ctors;
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#endif
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#ifndef ASM_OUTPUT_DESTRUCTOR
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extern tree static_dtors;
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#endif
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extern tree build_function_call PROTO((tree, tree));
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#if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
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tree void_list_node = build_tree_list (NULL_TREE, void_type_node);
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#endif
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#ifndef ASM_OUTPUT_CONSTRUCTOR
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if (static_ctors)
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{
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tree fnname = get_file_function_name ('I');
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start_function (void_list_node,
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build_parse_node (CALL_EXPR, fnname, void_list_node,
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NULL_TREE),
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NULL_TREE, NULL_TREE, 0);
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fnname = DECL_ASSEMBLER_NAME (current_function_decl);
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store_parm_decls ();
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for (; static_ctors; static_ctors = TREE_CHAIN (static_ctors))
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expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors),
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NULL_TREE));
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finish_function (0);
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assemble_constructor (IDENTIFIER_POINTER (fnname));
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}
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#endif
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#ifndef ASM_OUTPUT_DESTRUCTOR
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if (static_dtors)
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{
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tree fnname = get_file_function_name ('D');
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start_function (void_list_node,
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build_parse_node (CALL_EXPR, fnname, void_list_node,
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NULL_TREE),
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NULL_TREE, NULL_TREE, 0);
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fnname = DECL_ASSEMBLER_NAME (current_function_decl);
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store_parm_decls ();
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for (; static_dtors; static_dtors = TREE_CHAIN (static_dtors))
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expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors),
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NULL_TREE));
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finish_function (0);
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assemble_destructor (IDENTIFIER_POINTER (fnname));
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}
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#endif
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}
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