[8833] | 1 | /* Language-specific hook definitions for C front end. |
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| 2 | Copyright (C) 1991, 1995 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GNU CC. |
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| 5 | |
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| 6 | GNU CC is free software; you can redistribute it and/or modify |
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| 7 | it under the terms of the GNU General Public License as published by |
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| 8 | the Free Software Foundation; either version 2, or (at your option) |
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| 9 | any later version. |
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| 10 | |
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| 11 | GNU CC is distributed in the hope that it will be useful, |
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | GNU General Public License for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GNU CC; see the file COPYING. If not, write to |
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| 18 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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| 19 | Boston, MA 02111-1307, USA. */ |
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| 20 | |
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| 21 | |
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| 22 | #include "config.h" |
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| 23 | #include "tree.h" |
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| 24 | #include <stdio.h> |
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| 25 | #include "input.h" |
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| 26 | |
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| 27 | /* Each of the functions defined here |
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| 28 | is an alternative to a function in objc-actions.c. */ |
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| 29 | |
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| 30 | int |
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| 31 | lang_decode_option (p) |
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| 32 | char *p; |
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| 33 | { |
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| 34 | return c_decode_option (p); |
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| 35 | } |
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| 36 | |
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| 37 | void |
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| 38 | lang_init () |
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| 39 | { |
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| 40 | /* the beginning of the file is a new line; check for # */ |
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| 41 | /* With luck, we discover the real source file's name from that |
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| 42 | and put it in input_filename. */ |
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| 43 | ungetc (check_newline (), finput); |
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| 44 | } |
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| 45 | |
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| 46 | void |
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| 47 | lang_finish () |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | char * |
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| 52 | lang_identify () |
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| 53 | { |
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| 54 | return "c"; |
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| 55 | } |
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| 56 | |
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| 57 | void |
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| 58 | print_lang_statistics () |
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| 59 | { |
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| 60 | } |
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| 61 | |
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| 62 | /* Used by c-lex.c, but only for objc. */ |
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| 63 | |
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| 64 | tree |
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| 65 | lookup_interface (arg) |
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| 66 | tree arg; |
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| 67 | { |
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| 68 | return 0; |
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| 69 | } |
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| 70 | |
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| 71 | tree |
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| 72 | is_class_name (arg) |
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| 73 | tree arg; |
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| 74 | { |
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| 75 | return 0; |
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| 76 | } |
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| 77 | |
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| 78 | void |
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| 79 | maybe_objc_check_decl (decl) |
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| 80 | tree decl; |
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| 81 | { |
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| 82 | } |
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| 83 | |
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| 84 | int |
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| 85 | maybe_objc_comptypes (lhs, rhs, reflexive) |
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| 86 | tree lhs, rhs; |
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| 87 | int reflexive; |
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| 88 | { |
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| 89 | return -1; |
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| 90 | } |
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| 91 | |
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| 92 | tree |
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| 93 | maybe_objc_method_name (decl) |
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| 94 | tree decl; |
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| 95 | { |
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| 96 | return 0; |
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| 97 | } |
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| 98 | |
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| 99 | tree |
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| 100 | maybe_building_objc_message_expr () |
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| 101 | { |
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| 102 | return 0; |
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| 103 | } |
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| 104 | |
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| 105 | int |
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| 106 | recognize_objc_keyword () |
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| 107 | { |
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| 108 | return 0; |
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| 109 | } |
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| 110 | |
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| 111 | tree |
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| 112 | build_objc_string (len, str) |
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| 113 | int len; |
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| 114 | char *str; |
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| 115 | { |
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| 116 | abort (); |
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| 117 | return NULL_TREE; |
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| 118 | } |
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| 119 | |
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| 120 | void |
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| 121 | GNU_xref_begin () |
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| 122 | { |
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| 123 | fatal ("GCC does not yet support XREF"); |
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| 124 | } |
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| 125 | |
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| 126 | void |
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| 127 | GNU_xref_end () |
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| 128 | { |
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| 129 | fatal ("GCC does not yet support XREF"); |
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| 130 | } |
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| 131 | |
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| 132 | /* called at end of parsing, but before end-of-file processing. */ |
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| 133 | void |
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| 134 | finish_file () |
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| 135 | { |
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| 136 | extern tree static_ctors, static_dtors; |
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| 137 | extern tree get_file_function_name (); |
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| 138 | extern tree build_function_call PROTO((tree, tree)); |
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| 139 | tree void_list_node = build_tree_list (NULL_TREE, void_type_node); |
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| 140 | #ifndef ASM_OUTPUT_CONSTRUCTOR |
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| 141 | if (static_ctors) |
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| 142 | { |
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| 143 | tree fnname = get_file_function_name ('I'); |
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| 144 | start_function (void_list_node, |
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| 145 | build_parse_node (CALL_EXPR, fnname, void_list_node, |
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| 146 | NULL_TREE), |
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| 147 | NULL_TREE, NULL_TREE, 0); |
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| 148 | fnname = DECL_ASSEMBLER_NAME (current_function_decl); |
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| 149 | store_parm_decls (); |
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| 150 | |
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| 151 | for (; static_ctors; static_ctors = TREE_CHAIN (static_ctors)) |
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| 152 | expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors), |
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| 153 | NULL_TREE)); |
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| 154 | |
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| 155 | finish_function (0); |
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| 156 | |
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| 157 | assemble_constructor (IDENTIFIER_POINTER (fnname)); |
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| 158 | } |
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| 159 | #endif |
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| 160 | #ifndef ASM_OUTPUT_DESTRUCTOR |
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| 161 | if (static_dtors) |
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| 162 | { |
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| 163 | tree fnname = get_file_function_name ('D'); |
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| 164 | start_function (void_list_node, |
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| 165 | build_parse_node (CALL_EXPR, fnname, void_list_node, |
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| 166 | NULL_TREE), |
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| 167 | NULL_TREE, NULL_TREE, 0); |
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| 168 | fnname = DECL_ASSEMBLER_NAME (current_function_decl); |
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| 169 | store_parm_decls (); |
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| 170 | |
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| 171 | for (; static_dtors; static_dtors = TREE_CHAIN (static_dtors)) |
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| 172 | expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors), |
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| 173 | NULL_TREE)); |
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| 174 | |
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| 175 | finish_function (0); |
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| 176 | |
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| 177 | assemble_destructor (IDENTIFIER_POINTER (fnname)); |
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| 178 | } |
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| 179 | #endif |
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| 180 | } |
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