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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