1 /* SPDX-License-Identifier: GPL-2.0-or-later * !! 1 /* C global declaration parser for genksyms. 2 /* !! 2 Copyright 1996, 1997 Linux International. 3 * C global declaration parser for genksyms. !! 3 4 * Copyright 1996, 1997 Linux International. !! 4 New implementation contributed by Richard Henderson <rth@tamu.edu> 5 * !! 5 Based on original work by Bjorn Ekwall <bj0rn@blox.se> 6 * New implementation contributed by Richard H< !! 6 7 * Based on original work by Bjorn Ekwall <bj0r !! 7 This file is part of the Linux modutils. 8 * !! 8 9 * This file is part of the Linux modutils. !! 9 This program is free software; you can redistribute it and/or modify it 10 */ !! 10 under the terms of the GNU General Public License as published by the >> 11 Free Software Foundation; either version 2 of the License, or (at your >> 12 option) any later version. >> 13 >> 14 This program is distributed in the hope that it will be useful, but >> 15 WITHOUT ANY WARRANTY; without even the implied warranty of >> 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU >> 17 General Public License for more details. >> 18 >> 19 You should have received a copy of the GNU General Public License >> 20 along with this program; if not, write to the Free Software Foundation, >> 21 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ >> 22 11 23 12 %{ 24 %{ 13 25 14 #include <assert.h> 26 #include <assert.h> 15 #include <stdlib.h> 27 #include <stdlib.h> 16 #include <string.h> 28 #include <string.h> 17 #include "genksyms.h" 29 #include "genksyms.h" 18 30 19 static int is_typedef; 31 static int is_typedef; 20 static int is_extern; 32 static int is_extern; 21 static char *current_name; 33 static char *current_name; 22 static struct string_list *decl_spec; 34 static struct string_list *decl_spec; 23 35 24 static void yyerror(const char *); 36 static void yyerror(const char *); 25 37 26 static inline void 38 static inline void 27 remove_node(struct string_list **p) 39 remove_node(struct string_list **p) 28 { 40 { 29 struct string_list *node = *p; 41 struct string_list *node = *p; 30 *p = node->next; 42 *p = node->next; 31 free_node(node); 43 free_node(node); 32 } 44 } 33 45 34 static inline void 46 static inline void 35 remove_list(struct string_list **pb, struct st 47 remove_list(struct string_list **pb, struct string_list **pe) 36 { 48 { 37 struct string_list *b = *pb, *e = *pe; 49 struct string_list *b = *pb, *e = *pe; 38 *pb = e; 50 *pb = e; 39 free_list(b, e); 51 free_list(b, e); 40 } 52 } 41 53 42 /* Record definition of a struct/union/enum */ 54 /* Record definition of a struct/union/enum */ 43 static void record_compound(struct string_list 55 static void record_compound(struct string_list **keyw, 44 struct string_list **id 56 struct string_list **ident, 45 struct string_list **bo 57 struct string_list **body, 46 enum symbol_type type) 58 enum symbol_type type) 47 { 59 { 48 struct string_list *b = *body, *i = *i 60 struct string_list *b = *body, *i = *ident, *r; 49 61 50 if (i->in_source_file) { 62 if (i->in_source_file) { 51 remove_node(keyw); 63 remove_node(keyw); 52 (*ident)->tag = type; 64 (*ident)->tag = type; 53 remove_list(body, ident); 65 remove_list(body, ident); 54 return; 66 return; 55 } 67 } 56 r = copy_node(i); r->tag = type; 68 r = copy_node(i); r->tag = type; 57 r->next = (*keyw)->next; *body = r; (* 69 r->next = (*keyw)->next; *body = r; (*keyw)->next = NULL; 58 add_symbol(i->string, type, b, is_exte 70 add_symbol(i->string, type, b, is_extern); 59 } 71 } 60 72 61 %} 73 %} 62 74 63 %token ASM_KEYW 75 %token ASM_KEYW 64 %token ATTRIBUTE_KEYW 76 %token ATTRIBUTE_KEYW 65 %token AUTO_KEYW 77 %token AUTO_KEYW 66 %token BOOL_KEYW 78 %token BOOL_KEYW 67 %token BUILTIN_INT_KEYW << 68 %token CHAR_KEYW 79 %token CHAR_KEYW 69 %token CONST_KEYW 80 %token CONST_KEYW 70 %token DOUBLE_KEYW 81 %token DOUBLE_KEYW 71 %token ENUM_KEYW 82 %token ENUM_KEYW 72 %token EXTERN_KEYW 83 %token EXTERN_KEYW 73 %token EXTENSION_KEYW 84 %token EXTENSION_KEYW 74 %token FLOAT_KEYW 85 %token FLOAT_KEYW 75 %token INLINE_KEYW 86 %token INLINE_KEYW 76 %token INT_KEYW 87 %token INT_KEYW 77 %token LONG_KEYW 88 %token LONG_KEYW 78 %token REGISTER_KEYW 89 %token REGISTER_KEYW 79 %token RESTRICT_KEYW 90 %token RESTRICT_KEYW 80 %token SHORT_KEYW 91 %token SHORT_KEYW 81 %token SIGNED_KEYW 92 %token SIGNED_KEYW 82 %token STATIC_KEYW 93 %token STATIC_KEYW 83 %token STATIC_ASSERT_KEYW << 84 %token STRUCT_KEYW 94 %token STRUCT_KEYW 85 %token TYPEDEF_KEYW 95 %token TYPEDEF_KEYW 86 %token UNION_KEYW 96 %token UNION_KEYW 87 %token UNSIGNED_KEYW 97 %token UNSIGNED_KEYW 88 %token VOID_KEYW 98 %token VOID_KEYW 89 %token VOLATILE_KEYW 99 %token VOLATILE_KEYW 90 %token TYPEOF_KEYW 100 %token TYPEOF_KEYW 91 %token VA_LIST_KEYW << 92 101 93 %token EXPORT_SYMBOL_KEYW 102 %token EXPORT_SYMBOL_KEYW 94 103 95 %token ASM_PHRASE 104 %token ASM_PHRASE 96 %token ATTRIBUTE_PHRASE 105 %token ATTRIBUTE_PHRASE 97 %token TYPEOF_PHRASE 106 %token TYPEOF_PHRASE 98 %token BRACE_PHRASE 107 %token BRACE_PHRASE 99 %token BRACKET_PHRASE 108 %token BRACKET_PHRASE 100 %token EXPRESSION_PHRASE 109 %token EXPRESSION_PHRASE 101 %token STATIC_ASSERT_PHRASE << 102 110 103 %token CHAR 111 %token CHAR 104 %token DOTS 112 %token DOTS 105 %token IDENT 113 %token IDENT 106 %token INT 114 %token INT 107 %token REAL 115 %token REAL 108 %token STRING 116 %token STRING 109 %token TYPE 117 %token TYPE 110 %token OTHER 118 %token OTHER 111 %token FILENAME 119 %token FILENAME 112 120 113 %% 121 %% 114 122 115 declaration_seq: 123 declaration_seq: 116 declaration 124 declaration 117 | declaration_seq declaration 125 | declaration_seq declaration 118 ; 126 ; 119 127 120 declaration: 128 declaration: 121 { is_typedef = 0; is_extern = 0; curre 129 { is_typedef = 0; is_extern = 0; current_name = NULL; decl_spec = NULL; } 122 declaration1 130 declaration1 123 { free_list(*$2, NULL); *$2 = NULL; } 131 { free_list(*$2, NULL); *$2 = NULL; } 124 ; 132 ; 125 133 126 declaration1: 134 declaration1: 127 EXTENSION_KEYW TYPEDEF_KEYW { is_typed 135 EXTENSION_KEYW TYPEDEF_KEYW { is_typedef = 1; } simple_declaration 128 { $$ = $4; } 136 { $$ = $4; } 129 | TYPEDEF_KEYW { is_typedef = 1; } sim 137 | TYPEDEF_KEYW { is_typedef = 1; } simple_declaration 130 { $$ = $3; } 138 { $$ = $3; } 131 | simple_declaration 139 | simple_declaration 132 | function_definition 140 | function_definition 133 | asm_definition 141 | asm_definition 134 | export_definition 142 | export_definition 135 | static_assert << 136 | error ';' 143 | error ';' { $$ = $2; } 137 | error '}' 144 | error '}' { $$ = $2; } 138 ; 145 ; 139 146 140 simple_declaration: 147 simple_declaration: 141 decl_specifier_seq_opt init_declarator 148 decl_specifier_seq_opt init_declarator_list_opt ';' 142 { if (current_name) { 149 { if (current_name) { 143 struct string_list *decl = 150 struct string_list *decl = (*$3)->next; 144 (*$3)->next = NULL; 151 (*$3)->next = NULL; 145 add_symbol(current_name, 152 add_symbol(current_name, 146 is_typedef ? SY 153 is_typedef ? SYM_TYPEDEF : SYM_NORMAL, 147 decl, is_extern 154 decl, is_extern); 148 current_name = NULL; 155 current_name = NULL; 149 } 156 } 150 $$ = $3; 157 $$ = $3; 151 } 158 } 152 ; 159 ; 153 160 154 init_declarator_list_opt: 161 init_declarator_list_opt: 155 /* empty */ 162 /* empty */ { $$ = NULL; } 156 | init_declarator_list 163 | init_declarator_list 157 ; 164 ; 158 165 159 init_declarator_list: 166 init_declarator_list: 160 init_declarator 167 init_declarator 161 { struct string_list *decl = * 168 { struct string_list *decl = *$1; 162 *$1 = NULL; 169 *$1 = NULL; 163 add_symbol(current_name, 170 add_symbol(current_name, 164 is_typedef ? SYM_ 171 is_typedef ? SYM_TYPEDEF : SYM_NORMAL, decl, is_extern); 165 current_name = NULL; 172 current_name = NULL; 166 $$ = $1; 173 $$ = $1; 167 } 174 } 168 | init_declarator_list ',' init_declar 175 | init_declarator_list ',' init_declarator 169 { struct string_list *decl = * 176 { struct string_list *decl = *$3; 170 *$3 = NULL; 177 *$3 = NULL; 171 free_list(*$2, NULL); 178 free_list(*$2, NULL); 172 *$2 = decl_spec; 179 *$2 = decl_spec; 173 add_symbol(current_name, 180 add_symbol(current_name, 174 is_typedef ? SYM_ 181 is_typedef ? SYM_TYPEDEF : SYM_NORMAL, decl, is_extern); 175 current_name = NULL; 182 current_name = NULL; 176 $$ = $3; 183 $$ = $3; 177 } 184 } 178 ; 185 ; 179 186 180 init_declarator: 187 init_declarator: 181 declarator asm_phrase_opt attribute_op 188 declarator asm_phrase_opt attribute_opt initializer_opt 182 { $$ = $4 ? $4 : $3 ? $3 : $2 189 { $$ = $4 ? $4 : $3 ? $3 : $2 ? $2 : $1; } 183 ; 190 ; 184 191 185 /* Hang on to the specifiers so that we can re 192 /* Hang on to the specifiers so that we can reuse them. */ 186 decl_specifier_seq_opt: 193 decl_specifier_seq_opt: 187 /* empty */ 194 /* empty */ { decl_spec = NULL; } 188 | decl_specifier_seq 195 | decl_specifier_seq 189 ; 196 ; 190 197 191 decl_specifier_seq: 198 decl_specifier_seq: 192 decl_specifier 199 decl_specifier { decl_spec = *$1; } 193 | decl_specifier_seq decl_specifier 200 | decl_specifier_seq decl_specifier { decl_spec = *$2; } 194 ; 201 ; 195 202 196 decl_specifier: 203 decl_specifier: 197 storage_class_specifier 204 storage_class_specifier 198 { /* Version 2 checksumming ig 205 { /* Version 2 checksumming ignores storage class, as that 199 is really irrelevant to t 206 is really irrelevant to the linkage. */ 200 remove_node($1); 207 remove_node($1); 201 $$ = $1; 208 $$ = $1; 202 } 209 } 203 | type_specifier 210 | type_specifier 204 ; 211 ; 205 212 206 storage_class_specifier: 213 storage_class_specifier: 207 AUTO_KEYW 214 AUTO_KEYW 208 | REGISTER_KEYW 215 | REGISTER_KEYW 209 | STATIC_KEYW 216 | STATIC_KEYW 210 | EXTERN_KEYW { is_extern = 1; $$ = 217 | EXTERN_KEYW { is_extern = 1; $$ = $1; } 211 | INLINE_KEYW { is_extern = 0; $$ = 218 | INLINE_KEYW { is_extern = 0; $$ = $1; } 212 ; 219 ; 213 220 214 type_specifier: 221 type_specifier: 215 simple_type_specifier 222 simple_type_specifier 216 | cvar_qualifier 223 | cvar_qualifier 217 | TYPEOF_KEYW '(' parameter_declaratio 224 | TYPEOF_KEYW '(' parameter_declaration ')' 218 | TYPEOF_PHRASE 225 | TYPEOF_PHRASE 219 226 220 /* References to s/u/e's defined elsew 227 /* References to s/u/e's defined elsewhere. Rearrange things 221 so that it is easier to expand the 228 so that it is easier to expand the definition fully later. */ 222 | STRUCT_KEYW IDENT 229 | STRUCT_KEYW IDENT 223 { remove_node($1); (*$2)->tag 230 { remove_node($1); (*$2)->tag = SYM_STRUCT; $$ = $2; } 224 | UNION_KEYW IDENT 231 | UNION_KEYW IDENT 225 { remove_node($1); (*$2)->tag 232 { remove_node($1); (*$2)->tag = SYM_UNION; $$ = $2; } 226 | ENUM_KEYW IDENT 233 | ENUM_KEYW IDENT 227 { remove_node($1); (*$2)->tag 234 { remove_node($1); (*$2)->tag = SYM_ENUM; $$ = $2; } 228 235 229 /* Full definitions of an s/u/e. Reco 236 /* Full definitions of an s/u/e. Record it. */ 230 | STRUCT_KEYW IDENT class_body 237 | STRUCT_KEYW IDENT class_body 231 { record_compound($1, $2, $3, 238 { record_compound($1, $2, $3, SYM_STRUCT); $$ = $3; } 232 | UNION_KEYW IDENT class_body 239 | UNION_KEYW IDENT class_body 233 { record_compound($1, $2, $3, 240 { record_compound($1, $2, $3, SYM_UNION); $$ = $3; } 234 | ENUM_KEYW IDENT enum_body 241 | ENUM_KEYW IDENT enum_body 235 { record_compound($1, $2, $3, 242 { record_compound($1, $2, $3, SYM_ENUM); $$ = $3; } 236 /* 243 /* 237 * Anonymous enum definition. Tell add 244 * Anonymous enum definition. Tell add_symbol() to restart its counter. 238 */ 245 */ 239 | ENUM_KEYW enum_body 246 | ENUM_KEYW enum_body 240 { add_symbol(NULL, SYM_ENUM, N 247 { add_symbol(NULL, SYM_ENUM, NULL, 0); $$ = $2; } 241 /* Anonymous s/u definitions. Nothing 248 /* Anonymous s/u definitions. Nothing needs doing. */ 242 | STRUCT_KEYW class_body 249 | STRUCT_KEYW class_body { $$ = $2; } 243 | UNION_KEYW class_body 250 | UNION_KEYW class_body { $$ = $2; } 244 ; 251 ; 245 252 246 simple_type_specifier: 253 simple_type_specifier: 247 CHAR_KEYW 254 CHAR_KEYW 248 | SHORT_KEYW 255 | SHORT_KEYW 249 | INT_KEYW 256 | INT_KEYW 250 | LONG_KEYW 257 | LONG_KEYW 251 | SIGNED_KEYW 258 | SIGNED_KEYW 252 | UNSIGNED_KEYW 259 | UNSIGNED_KEYW 253 | FLOAT_KEYW 260 | FLOAT_KEYW 254 | DOUBLE_KEYW 261 | DOUBLE_KEYW 255 | VOID_KEYW 262 | VOID_KEYW 256 | BOOL_KEYW 263 | BOOL_KEYW 257 | VA_LIST_KEYW << 258 | BUILTIN_INT_KEYW << 259 | TYPE { (*$1)->tag = 264 | TYPE { (*$1)->tag = SYM_TYPEDEF; $$ = $1; } 260 ; 265 ; 261 266 262 ptr_operator: 267 ptr_operator: 263 '*' cvar_qualifier_seq_opt 268 '*' cvar_qualifier_seq_opt 264 { $$ = $2 ? $2 : $1; } 269 { $$ = $2 ? $2 : $1; } 265 ; 270 ; 266 271 267 cvar_qualifier_seq_opt: 272 cvar_qualifier_seq_opt: 268 /* empty */ 273 /* empty */ { $$ = NULL; } 269 | cvar_qualifier_seq 274 | cvar_qualifier_seq 270 ; 275 ; 271 276 272 cvar_qualifier_seq: 277 cvar_qualifier_seq: 273 cvar_qualifier 278 cvar_qualifier 274 | cvar_qualifier_seq cvar_qualifier 279 | cvar_qualifier_seq cvar_qualifier { $$ = $2; } 275 ; 280 ; 276 281 277 cvar_qualifier: 282 cvar_qualifier: 278 CONST_KEYW | VOLATILE_KEYW | ATTRIBUTE 283 CONST_KEYW | VOLATILE_KEYW | ATTRIBUTE_PHRASE 279 | RESTRICT_KEYW 284 | RESTRICT_KEYW 280 { /* restrict has no effect in 285 { /* restrict has no effect in prototypes so ignore it */ 281 remove_node($1); 286 remove_node($1); 282 $$ = $1; 287 $$ = $1; 283 } 288 } 284 ; 289 ; 285 290 286 declarator: 291 declarator: 287 ptr_operator declarator 292 ptr_operator declarator { $$ = $2; } 288 | direct_declarator 293 | direct_declarator 289 ; 294 ; 290 295 291 direct_declarator: 296 direct_declarator: 292 IDENT 297 IDENT 293 { if (current_name != NULL) { 298 { if (current_name != NULL) { 294 error_with_pos("unexpected 299 error_with_pos("unexpected second declaration name"); 295 YYERROR; 300 YYERROR; 296 } else { 301 } else { 297 current_name = (*$1)->stri 302 current_name = (*$1)->string; 298 $$ = $1; 303 $$ = $1; 299 } 304 } 300 } 305 } 301 | TYPE 306 | TYPE 302 { if (current_name != NULL) { 307 { if (current_name != NULL) { 303 error_with_pos("unexpected 308 error_with_pos("unexpected second declaration name"); 304 YYERROR; 309 YYERROR; 305 } else { 310 } else { 306 current_name = (*$1)->stri 311 current_name = (*$1)->string; 307 $$ = $1; 312 $$ = $1; 308 } 313 } 309 } 314 } 310 | direct_declarator '(' parameter_decl 315 | direct_declarator '(' parameter_declaration_clause ')' 311 { $$ = $4; } 316 { $$ = $4; } 312 | direct_declarator '(' error ')' 317 | direct_declarator '(' error ')' 313 { $$ = $4; } 318 { $$ = $4; } 314 | direct_declarator BRACKET_PHRASE 319 | direct_declarator BRACKET_PHRASE 315 { $$ = $2; } 320 { $$ = $2; } 316 | '(' declarator ')' 321 | '(' declarator ')' 317 { $$ = $3; } 322 { $$ = $3; } >> 323 | '(' error ')' >> 324 { $$ = $3; } 318 ; 325 ; 319 326 320 /* Nested declarators differ from regular decl 327 /* Nested declarators differ from regular declarators in that they do 321 not record the symbols they find in the glo 328 not record the symbols they find in the global symbol table. */ 322 nested_declarator: 329 nested_declarator: 323 ptr_operator nested_declarator 330 ptr_operator nested_declarator { $$ = $2; } 324 | direct_nested_declarator 331 | direct_nested_declarator 325 ; 332 ; 326 333 327 direct_nested_declarator: 334 direct_nested_declarator: 328 IDENT 335 IDENT 329 | TYPE 336 | TYPE 330 | direct_nested_declarator '(' paramet 337 | direct_nested_declarator '(' parameter_declaration_clause ')' 331 { $$ = $4; } 338 { $$ = $4; } 332 | direct_nested_declarator '(' error ' 339 | direct_nested_declarator '(' error ')' 333 { $$ = $4; } 340 { $$ = $4; } 334 | direct_nested_declarator BRACKET_PHR 341 | direct_nested_declarator BRACKET_PHRASE 335 { $$ = $2; } 342 { $$ = $2; } 336 | '(' nested_declarator ')' 343 | '(' nested_declarator ')' 337 { $$ = $3; } 344 { $$ = $3; } 338 | '(' error ')' 345 | '(' error ')' 339 { $$ = $3; } 346 { $$ = $3; } 340 ; 347 ; 341 348 342 parameter_declaration_clause: 349 parameter_declaration_clause: 343 parameter_declaration_list_opt DOTS 350 parameter_declaration_list_opt DOTS { $$ = $2; } 344 | parameter_declaration_list_opt 351 | parameter_declaration_list_opt 345 | parameter_declaration_list ',' DOTS 352 | parameter_declaration_list ',' DOTS { $$ = $3; } 346 ; 353 ; 347 354 348 parameter_declaration_list_opt: 355 parameter_declaration_list_opt: 349 /* empty */ 356 /* empty */ { $$ = NULL; } 350 | parameter_declaration_list 357 | parameter_declaration_list 351 ; 358 ; 352 359 353 parameter_declaration_list: 360 parameter_declaration_list: 354 parameter_declaration 361 parameter_declaration 355 | parameter_declaration_list ',' param 362 | parameter_declaration_list ',' parameter_declaration 356 { $$ = $3; } 363 { $$ = $3; } 357 ; 364 ; 358 365 359 parameter_declaration: 366 parameter_declaration: 360 decl_specifier_seq m_abstract_declarat 367 decl_specifier_seq m_abstract_declarator 361 { $$ = $2 ? $2 : $1; } 368 { $$ = $2 ? $2 : $1; } 362 ; 369 ; 363 370 364 m_abstract_declarator: 371 m_abstract_declarator: 365 ptr_operator m_abstract_declarator 372 ptr_operator m_abstract_declarator 366 { $$ = $2 ? $2 : $1; } 373 { $$ = $2 ? $2 : $1; } 367 | direct_m_abstract_declarator 374 | direct_m_abstract_declarator 368 ; 375 ; 369 376 370 direct_m_abstract_declarator: 377 direct_m_abstract_declarator: 371 /* empty */ 378 /* empty */ { $$ = NULL; } 372 | IDENT 379 | IDENT 373 { /* For version 2 checksums, 380 { /* For version 2 checksums, we don't want to remember 374 private parameter names. 381 private parameter names. */ 375 remove_node($1); 382 remove_node($1); 376 $$ = $1; 383 $$ = $1; 377 } 384 } 378 /* This wasn't really a typedef name b 385 /* This wasn't really a typedef name but an identifier that 379 shadows one. */ 386 shadows one. */ 380 | TYPE 387 | TYPE 381 { remove_node($1); 388 { remove_node($1); 382 $$ = $1; 389 $$ = $1; 383 } 390 } 384 | direct_m_abstract_declarator '(' par 391 | direct_m_abstract_declarator '(' parameter_declaration_clause ')' 385 { $$ = $4; } 392 { $$ = $4; } 386 | direct_m_abstract_declarator '(' err 393 | direct_m_abstract_declarator '(' error ')' 387 { $$ = $4; } 394 { $$ = $4; } 388 | direct_m_abstract_declarator BRACKET 395 | direct_m_abstract_declarator BRACKET_PHRASE 389 { $$ = $2; } 396 { $$ = $2; } 390 | '(' m_abstract_declarator ')' 397 | '(' m_abstract_declarator ')' 391 { $$ = $3; } 398 { $$ = $3; } 392 | '(' error ')' 399 | '(' error ')' 393 { $$ = $3; } 400 { $$ = $3; } 394 ; 401 ; 395 402 396 function_definition: 403 function_definition: 397 decl_specifier_seq_opt declarator BRAC 404 decl_specifier_seq_opt declarator BRACE_PHRASE 398 { struct string_list *decl = * 405 { struct string_list *decl = *$2; 399 *$2 = NULL; 406 *$2 = NULL; 400 add_symbol(current_name, SYM 407 add_symbol(current_name, SYM_NORMAL, decl, is_extern); 401 $$ = $3; 408 $$ = $3; 402 } 409 } 403 ; 410 ; 404 411 405 initializer_opt: 412 initializer_opt: 406 /* empty */ 413 /* empty */ { $$ = NULL; } 407 | initializer 414 | initializer 408 ; 415 ; 409 416 410 /* We never care about the contents of an init 417 /* We never care about the contents of an initializer. */ 411 initializer: 418 initializer: 412 '=' EXPRESSION_PHRASE 419 '=' EXPRESSION_PHRASE 413 { remove_list($2, &(*$1)->next 420 { remove_list($2, &(*$1)->next); $$ = $2; } 414 ; 421 ; 415 422 416 class_body: 423 class_body: 417 '{' member_specification_opt '}' 424 '{' member_specification_opt '}' { $$ = $3; } 418 | '{' error '}' 425 | '{' error '}' { $$ = $3; } 419 ; 426 ; 420 427 421 member_specification_opt: 428 member_specification_opt: 422 /* empty */ 429 /* empty */ { $$ = NULL; } 423 | member_specification 430 | member_specification 424 ; 431 ; 425 432 426 member_specification: 433 member_specification: 427 member_declaration 434 member_declaration 428 | member_specification member_declarat 435 | member_specification member_declaration { $$ = $2; } 429 ; 436 ; 430 437 431 member_declaration: 438 member_declaration: 432 decl_specifier_seq_opt member_declarat 439 decl_specifier_seq_opt member_declarator_list_opt ';' 433 { $$ = $3; } 440 { $$ = $3; } 434 | error ';' 441 | error ';' 435 { $$ = $2; } 442 { $$ = $2; } 436 ; 443 ; 437 444 438 member_declarator_list_opt: 445 member_declarator_list_opt: 439 /* empty */ 446 /* empty */ { $$ = NULL; } 440 | member_declarator_list 447 | member_declarator_list 441 ; 448 ; 442 449 443 member_declarator_list: 450 member_declarator_list: 444 member_declarator 451 member_declarator 445 | member_declarator_list ',' member_de 452 | member_declarator_list ',' member_declarator { $$ = $3; } 446 ; 453 ; 447 454 448 member_declarator: 455 member_declarator: 449 nested_declarator attribute_opt 456 nested_declarator attribute_opt { $$ = $2 ? $2 : $1; } 450 | IDENT member_bitfield_declarator 457 | IDENT member_bitfield_declarator { $$ = $2; } 451 | member_bitfield_declarator 458 | member_bitfield_declarator 452 ; 459 ; 453 460 454 member_bitfield_declarator: 461 member_bitfield_declarator: 455 ':' EXPRESSION_PHRASE 462 ':' EXPRESSION_PHRASE { $$ = $2; } 456 ; 463 ; 457 464 458 attribute_opt: 465 attribute_opt: 459 /* empty */ 466 /* empty */ { $$ = NULL; } 460 | attribute_opt ATTRIBUTE_PHRASE 467 | attribute_opt ATTRIBUTE_PHRASE 461 ; 468 ; 462 469 463 enum_body: 470 enum_body: 464 '{' enumerator_list '}' 471 '{' enumerator_list '}' { $$ = $3; } 465 | '{' enumerator_list ',' '}' 472 | '{' enumerator_list ',' '}' { $$ = $4; } 466 ; 473 ; 467 474 468 enumerator_list: 475 enumerator_list: 469 enumerator 476 enumerator 470 | enumerator_list ',' enumerator 477 | enumerator_list ',' enumerator 471 478 472 enumerator: 479 enumerator: 473 IDENT 480 IDENT 474 { 481 { 475 const char *name = str 482 const char *name = strdup((*$1)->string); 476 add_symbol(name, SYM_E 483 add_symbol(name, SYM_ENUM_CONST, NULL, 0); 477 } 484 } 478 | IDENT '=' EXPRESSION_PHRASE 485 | IDENT '=' EXPRESSION_PHRASE 479 { 486 { 480 const char *name = str 487 const char *name = strdup((*$1)->string); 481 struct string_list *ex 488 struct string_list *expr = copy_list_range(*$3, *$2); 482 add_symbol(name, SYM_E 489 add_symbol(name, SYM_ENUM_CONST, expr, 0); 483 } 490 } 484 491 485 asm_definition: 492 asm_definition: 486 ASM_PHRASE ';' 493 ASM_PHRASE ';' { $$ = $2; } 487 ; 494 ; 488 495 489 asm_phrase_opt: 496 asm_phrase_opt: 490 /* empty */ 497 /* empty */ { $$ = NULL; } 491 | ASM_PHRASE 498 | ASM_PHRASE 492 ; 499 ; 493 500 494 export_definition: 501 export_definition: 495 EXPORT_SYMBOL_KEYW '(' IDENT ')' ';' 502 EXPORT_SYMBOL_KEYW '(' IDENT ')' ';' 496 { export_symbol((*$3)->string) 503 { export_symbol((*$3)->string); $$ = $5; } 497 ; 504 ; 498 505 499 /* Ignore any module scoped _Static_assert(... << 500 static_assert: << 501 STATIC_ASSERT_PHRASE ';' << 502 ; << 503 506 504 %% 507 %% 505 508 506 static void 509 static void 507 yyerror(const char *e) 510 yyerror(const char *e) 508 { 511 { 509 error_with_pos("%s", e); 512 error_with_pos("%s", e); 510 } 513 }
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