Commit | Line | Data |
---|---|---|
8b9d5b5e MD |
1 | %{ |
2 | /* | |
3 | * ctf.y | |
4 | * | |
5 | * Common Trace Format Metadata Grammar. | |
6 | */ | |
7 | ||
8 | #include <stdio.h> | |
9 | #include <unistd.h> | |
10 | #include <string.h> | |
11 | #include <stdlib.h> | |
12 | #include <assert.h> | |
13 | #include <helpers/list.h> | |
14 | #include <glib.h> | |
34d3acc4 | 15 | #include "ctf-scanner.h" |
8b9d5b5e MD |
16 | #include "ctf-parser.h" |
17 | #include "ctf-ast.h" | |
18 | ||
19 | #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, args) | |
20 | #define printf_dbg_noarg(fmt) fprintf(stderr, "%s: " fmt, __func__) | |
21 | ||
34d3acc4 MD |
22 | int yyparse(struct ctf_scanner *scanner); |
23 | int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner); | |
24 | int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals); | |
25 | int yylex_destroy(yyscan_t yyscanner) ; | |
26 | void yyset_in(FILE * in_str, yyscan_t scanner); | |
8b9d5b5e | 27 | |
8b9d5b5e MD |
28 | int yydebug; |
29 | ||
8b9d5b5e MD |
30 | struct gc_string { |
31 | struct cds_list_head gc; | |
32 | char s[]; | |
33 | }; | |
34 | ||
8b9d5b5e MD |
35 | char *strredup(char **dest, const char *src) |
36 | { | |
37 | size_t len = strlen(src) + 1; | |
38 | ||
39 | *dest = realloc(*dest, len); | |
40 | if (!*dest) | |
41 | return NULL; | |
42 | strcpy(*dest, src); | |
43 | return *dest; | |
44 | } | |
45 | ||
34d3acc4 | 46 | static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner, size_t len) |
8b9d5b5e MD |
47 | { |
48 | struct gc_string *gstr; | |
49 | ||
50 | gstr = malloc(sizeof(*gstr) + len); | |
34d3acc4 | 51 | cds_list_add(&gstr->gc, &scanner->allocated_strings); |
8b9d5b5e MD |
52 | return gstr; |
53 | } | |
54 | ||
34d3acc4 | 55 | void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src) |
8b9d5b5e | 56 | { |
34d3acc4 MD |
57 | lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1); |
58 | strcpy(lvalp->gs->s, src); | |
8b9d5b5e MD |
59 | } |
60 | ||
61 | static void init_scope(struct scope *scope, struct scope *parent) | |
62 | { | |
63 | scope->parent = parent; | |
64 | scope->types = g_hash_table_new_full(g_str_hash, g_str_equal, | |
65 | (GDestroyNotify) free, NULL); | |
66 | } | |
67 | ||
68 | static void finalize_scope(struct scope *scope) | |
69 | { | |
70 | g_hash_table_destroy(scope->types); | |
71 | } | |
72 | ||
34d3acc4 | 73 | static void push_scope(struct ctf_scanner *scanner) |
8b9d5b5e MD |
74 | { |
75 | struct scope *ns; | |
76 | ||
77 | printf_dbg_noarg("push scope\n"); | |
78 | ns = malloc(sizeof(struct scope)); | |
34d3acc4 MD |
79 | init_scope(ns, scanner->cs); |
80 | scanner->cs = ns; | |
8b9d5b5e MD |
81 | } |
82 | ||
34d3acc4 | 83 | static void pop_scope(struct ctf_scanner *scanner) |
8b9d5b5e MD |
84 | { |
85 | struct scope *os; | |
86 | ||
87 | printf_dbg_noarg("pop scope\n"); | |
34d3acc4 MD |
88 | os = scanner->cs; |
89 | scanner->cs = os->parent; | |
8b9d5b5e MD |
90 | finalize_scope(os); |
91 | free(os); | |
92 | } | |
93 | ||
34d3acc4 | 94 | static int lookup_type(struct scope *s, const char *id) |
8b9d5b5e MD |
95 | { |
96 | int ret; | |
97 | ||
98 | ret = (int) g_hash_table_lookup(s->types, id); | |
99 | printf_dbg("lookup %p %s %d\n", s, id, ret); | |
100 | return ret; | |
101 | } | |
102 | ||
34d3acc4 | 103 | int is_type(struct ctf_scanner *scanner, const char *id) |
8b9d5b5e MD |
104 | { |
105 | struct scope *it; | |
106 | int ret = 0; | |
107 | ||
34d3acc4 | 108 | for (it = scanner->cs; it != NULL; it = it->parent) { |
8b9d5b5e MD |
109 | if (lookup_type(it, id)) { |
110 | ret = 1; | |
111 | break; | |
112 | } | |
113 | } | |
114 | printf_dbg("is type %s %d\n", id, ret); | |
115 | return ret; | |
116 | } | |
117 | ||
34d3acc4 | 118 | static void add_type(struct ctf_scanner *scanner, const char *id) |
8b9d5b5e MD |
119 | { |
120 | char *type_id = NULL; | |
121 | ||
122 | printf_dbg("add type %s\n", id); | |
34d3acc4 | 123 | if (lookup_type(scanner->cs, id)) |
8b9d5b5e MD |
124 | return; |
125 | strredup(&type_id, id); | |
34d3acc4 | 126 | g_hash_table_insert(scanner->cs->types, type_id, type_id); |
8b9d5b5e MD |
127 | } |
128 | ||
34d3acc4 | 129 | void yyerror(struct ctf_scanner *scanner, const char *str) |
8b9d5b5e MD |
130 | { |
131 | fprintf(stderr, "error %s\n", str); | |
132 | } | |
133 | ||
134 | int yywrap(void) | |
135 | { | |
136 | return 1; | |
137 | } | |
138 | ||
34d3acc4 | 139 | static void free_strings(struct cds_list_head *list) |
8b9d5b5e MD |
140 | { |
141 | struct gc_string *gstr, *tmp; | |
142 | ||
34d3acc4 | 143 | cds_list_for_each_entry_safe(gstr, tmp, list, gc) |
8b9d5b5e MD |
144 | free(gstr); |
145 | } | |
146 | ||
34d3acc4 | 147 | static struct ctf_ast *ctf_ast_alloc(void) |
8b9d5b5e | 148 | { |
34d3acc4 MD |
149 | struct ctf_ast *ast; |
150 | ||
151 | ast = malloc(sizeof(*ast)); | |
152 | if (!ast) | |
153 | return NULL; | |
154 | memset(ast, 0, sizeof(*ast)); | |
155 | return ast; | |
156 | } | |
157 | ||
158 | static void ctf_ast_free(struct ctf_ast *ast) | |
159 | { | |
160 | } | |
161 | ||
162 | int ctf_scanner_append_ast(struct ctf_scanner *scanner) | |
163 | { | |
164 | return yyparse(scanner); | |
165 | } | |
166 | ||
167 | struct ctf_scanner *ctf_scanner_alloc(FILE *input) | |
168 | { | |
169 | struct ctf_scanner *scanner; | |
170 | int ret; | |
171 | ||
172 | scanner = malloc(sizeof(*scanner)); | |
173 | if (!scanner) | |
174 | return NULL; | |
175 | memset(scanner, 0, sizeof(*scanner)); | |
176 | ||
177 | ret = yylex_init_extra(scanner, &scanner->scanner); | |
178 | if (ret) { | |
179 | fprintf(stderr, "yylex_init error\n"); | |
180 | goto cleanup_scanner; | |
181 | } | |
182 | yyset_in(input, scanner); | |
183 | ||
184 | scanner->ast = ctf_ast_alloc(); | |
185 | if (!scanner->ast) | |
186 | goto cleanup_lexer; | |
187 | init_scope(&scanner->root_scope, NULL); | |
188 | CDS_INIT_LIST_HEAD(&scanner->allocated_strings); | |
189 | ||
190 | return scanner; | |
191 | ||
192 | cleanup_lexer: | |
193 | ret = yylex_destroy(scanner->scanner); | |
194 | if (!ret) | |
195 | fprintf(stderr, "yylex_destroy error\n"); | |
196 | cleanup_scanner: | |
197 | free(scanner); | |
198 | return NULL; | |
199 | } | |
200 | ||
201 | void ctf_scanner_free(struct ctf_scanner *scanner) | |
202 | { | |
203 | int ret; | |
204 | ||
205 | finalize_scope(&scanner->root_scope); | |
206 | free_strings(&scanner->allocated_strings); | |
207 | ctf_ast_free(scanner->ast); | |
208 | ret = yylex_destroy(scanner->scanner); | |
209 | if (ret) | |
210 | fprintf(stderr, "yylex_destroy error\n"); | |
211 | free(scanner); | |
212 | } | |
8b9d5b5e MD |
213 | |
214 | %} | |
215 | ||
34d3acc4 MD |
216 | %define api.pure |
217 | /* %locations */ | |
218 | %parse-param {struct ctf_scanner *scanner} | |
219 | %lex-param {struct ctf_scanner *scanner} | |
8b9d5b5e | 220 | %start file |
8b9d5b5e MD |
221 | %token CHARACTER_CONSTANT_START SQUOTE STRING_LITERAL_START DQUOTE ESCSEQ CHAR_STRING_TOKEN LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT |
222 | %token <gs> IDENTIFIER ID_TYPE | |
223 | %token ERROR | |
224 | %union | |
225 | { | |
226 | long long ll; | |
227 | char c; | |
228 | struct gc_string *gs; | |
229 | struct ctf_node *n; | |
230 | } | |
231 | ||
8b9d5b5e MD |
232 | %% |
233 | ||
234 | file: | |
235 | declaration | |
236 | | file declaration | |
237 | ; | |
238 | ||
239 | keywords: | |
240 | VOID | |
241 | | CHAR | |
242 | | SHORT | |
243 | | INT | |
244 | | LONG | |
245 | | FLOAT | |
246 | | DOUBLE | |
247 | | SIGNED | |
248 | | UNSIGNED | |
249 | | _BOOL | |
250 | | _COMPLEX | |
251 | | FLOATING_POINT | |
252 | | INTEGER | |
253 | | STRING | |
254 | | ENUM | |
255 | | VARIANT | |
256 | | STRUCT | |
257 | | CONST | |
258 | | TYPEDEF | |
259 | | EVENT | |
260 | | STREAM | |
261 | | TRACE | |
262 | ; | |
263 | ||
264 | /* 1.5 Constants */ | |
265 | ||
266 | c_char_sequence: | |
267 | c_char | |
268 | | c_char_sequence c_char | |
269 | ; | |
270 | ||
271 | c_char: | |
272 | CHAR_STRING_TOKEN | |
273 | | ESCSEQ | |
274 | ; | |
275 | ||
276 | /* 1.6 String literals */ | |
277 | ||
278 | s_char_sequence: | |
279 | s_char | |
280 | | s_char_sequence s_char | |
281 | ; | |
282 | ||
283 | s_char: | |
284 | CHAR_STRING_TOKEN | |
285 | | ESCSEQ | |
286 | ; | |
287 | ||
288 | /* 2: Phrase structure grammar */ | |
289 | ||
290 | postfix_expression: | |
291 | IDENTIFIER | |
292 | | ID_TYPE | |
293 | | keywords | |
294 | | DECIMAL_CONSTANT | |
295 | | OCTAL_CONSTANT | |
296 | | HEXADECIMAL_CONSTANT | |
297 | | STRING_LITERAL_START DQUOTE | |
298 | | STRING_LITERAL_START s_char_sequence DQUOTE | |
299 | | CHARACTER_CONSTANT_START c_char_sequence SQUOTE | |
300 | | LPAREN unary_expression RPAREN | |
301 | | postfix_expression LSBRAC unary_expression RSBRAC | |
302 | | postfix_expression DOT IDENTIFIER | |
303 | | postfix_expression DOT ID_TYPE | |
304 | | postfix_expression RARROW IDENTIFIER | |
305 | | postfix_expression RARROW ID_TYPE | |
306 | ; | |
307 | ||
308 | unary_expression: | |
309 | postfix_expression | |
310 | | PLUS postfix_expression | |
311 | | MINUS postfix_expression | |
312 | ; | |
313 | ||
314 | unary_expression_or_range: | |
315 | unary_expression DOTDOTDOT unary_expression | |
316 | | unary_expression | |
317 | ; | |
318 | ||
319 | /* 2.2: Declarations */ | |
320 | ||
321 | declaration: | |
322 | declaration_specifiers SEMICOLON | |
323 | | event_declaration | |
324 | | stream_declaration | |
325 | | trace_declaration | |
326 | | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON | |
327 | | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON | |
328 | | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON | |
329 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list SEMICOLON | |
330 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list SEMICOLON | |
331 | ; | |
332 | ||
333 | event_declaration: | |
334 | event_declaration_begin event_declaration_end | |
335 | | event_declaration_begin ctf_assignment_expression_list event_declaration_end | |
336 | ; | |
337 | ||
338 | event_declaration_begin: | |
339 | EVENT LBRAC | |
340 | { | |
34d3acc4 | 341 | push_scope(scanner); |
8b9d5b5e MD |
342 | } |
343 | ; | |
344 | ||
345 | event_declaration_end: | |
346 | RBRAC SEMICOLON | |
347 | { | |
34d3acc4 | 348 | pop_scope(scanner); |
8b9d5b5e MD |
349 | } |
350 | ; | |
351 | ||
352 | ||
353 | stream_declaration: | |
354 | stream_declaration_begin stream_declaration_end | |
355 | | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end | |
356 | ; | |
357 | ||
358 | stream_declaration_begin: | |
359 | STREAM LBRAC | |
360 | { | |
34d3acc4 | 361 | push_scope(scanner); |
8b9d5b5e MD |
362 | } |
363 | ; | |
364 | ||
365 | stream_declaration_end: | |
366 | RBRAC SEMICOLON | |
367 | { | |
34d3acc4 | 368 | pop_scope(scanner); |
8b9d5b5e MD |
369 | } |
370 | ; | |
371 | ||
372 | ||
373 | trace_declaration: | |
374 | trace_declaration_begin trace_declaration_end | |
375 | | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end | |
376 | ; | |
377 | ||
378 | trace_declaration_begin: | |
379 | TRACE LBRAC | |
380 | { | |
34d3acc4 | 381 | push_scope(scanner); |
8b9d5b5e MD |
382 | } |
383 | ; | |
384 | ||
385 | trace_declaration_end: | |
386 | RBRAC SEMICOLON | |
387 | { | |
34d3acc4 | 388 | pop_scope(scanner); |
8b9d5b5e MD |
389 | } |
390 | ; | |
391 | ||
392 | declaration_specifiers: | |
393 | CONST | |
394 | | type_specifier | |
395 | | declaration_specifiers CONST | |
396 | | declaration_specifiers type_specifier | |
397 | ; | |
398 | ||
399 | type_declarator_list: | |
400 | type_declarator | |
401 | | type_declarator_list COMMA type_declarator | |
402 | ; | |
403 | ||
404 | abstract_type_declarator_list: | |
405 | abstract_type_declarator | |
406 | | abstract_type_declarator_list COMMA abstract_type_declarator | |
407 | ; | |
408 | ||
409 | type_specifier: | |
410 | VOID | |
411 | | CHAR | |
412 | | SHORT | |
413 | | INT | |
414 | | LONG | |
415 | | FLOAT | |
416 | | DOUBLE | |
417 | | SIGNED | |
418 | | UNSIGNED | |
419 | | _BOOL | |
420 | | _COMPLEX | |
421 | | ID_TYPE | |
422 | | FLOATING_POINT LBRAC RBRAC | |
423 | | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC | |
424 | | INTEGER LBRAC RBRAC | |
425 | | INTEGER LBRAC ctf_assignment_expression_list RBRAC | |
426 | | STRING LBRAC RBRAC | |
427 | | STRING LBRAC ctf_assignment_expression_list RBRAC | |
428 | | ENUM enum_type_specifier | |
429 | | VARIANT variant_type_specifier | |
430 | | STRUCT struct_type_specifier | |
431 | ; | |
432 | ||
433 | struct_type_specifier: | |
434 | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end | |
435 | | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end | |
436 | | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end | |
437 | | IDENTIFIER | |
438 | | ID_TYPE | |
439 | ; | |
440 | ||
441 | struct_declaration_begin: | |
442 | LBRAC | |
443 | { | |
34d3acc4 | 444 | push_scope(scanner); |
8b9d5b5e MD |
445 | } |
446 | ; | |
447 | ||
448 | struct_declaration_end: | |
449 | RBRAC | |
450 | { | |
34d3acc4 | 451 | pop_scope(scanner); |
8b9d5b5e MD |
452 | } |
453 | ; | |
454 | ||
455 | variant_type_specifier: | |
456 | variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
457 | | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
458 | | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
459 | | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
460 | | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
461 | | IDENTIFIER LT IDENTIFIER GT | |
462 | | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
463 | | IDENTIFIER LT ID_TYPE GT | |
464 | | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
465 | | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
466 | | ID_TYPE LT IDENTIFIER GT | |
467 | | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
468 | | ID_TYPE LT ID_TYPE GT | |
469 | ; | |
470 | ||
471 | variant_declaration_begin: | |
472 | LBRAC | |
473 | { | |
34d3acc4 | 474 | push_scope(scanner); |
8b9d5b5e MD |
475 | } |
476 | ; | |
477 | ||
478 | variant_declaration_end: | |
479 | RBRAC | |
480 | { | |
34d3acc4 | 481 | pop_scope(scanner); |
8b9d5b5e MD |
482 | } |
483 | ; | |
484 | ||
485 | type_specifier_or_integer_constant: | |
486 | declaration_specifiers | |
487 | | DECIMAL_CONSTANT | |
488 | | OCTAL_CONSTANT | |
489 | | HEXADECIMAL_CONSTANT | |
490 | ; | |
491 | ||
492 | enum_type_specifier: | |
493 | LBRAC enumerator_list RBRAC | |
494 | | LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC | |
495 | | IDENTIFIER LBRAC enumerator_list RBRAC | |
496 | | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC | |
497 | | ID_TYPE LBRAC enumerator_list RBRAC | |
498 | | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC | |
499 | | LBRAC enumerator_list COMMA RBRAC | |
500 | | LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC | |
501 | | IDENTIFIER LBRAC enumerator_list COMMA RBRAC | |
502 | | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC | |
503 | | IDENTIFIER | |
504 | | IDENTIFIER LT type_specifier_or_integer_constant GT | |
505 | | ID_TYPE LBRAC enumerator_list COMMA RBRAC | |
506 | | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC | |
507 | | ID_TYPE | |
508 | | ID_TYPE LT type_specifier_or_integer_constant GT | |
509 | ; | |
510 | ||
511 | struct_or_variant_declaration_list: | |
512 | /* empty */ | |
513 | | struct_or_variant_declaration_list struct_or_variant_declaration | |
514 | ; | |
515 | ||
516 | struct_or_variant_declaration: | |
517 | specifier_qualifier_list struct_or_variant_declarator_list SEMICOLON | |
518 | | specifier_qualifier_list TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON | |
519 | | TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON | |
520 | | specifier_qualifier_list TYPEDEF type_declarator_list SEMICOLON | |
521 | | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON specifier_qualifier_list abstract_type_declarator_list SEMICOLON | |
522 | | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON type_declarator_list SEMICOLON | |
523 | ; | |
524 | ||
525 | specifier_qualifier_list: | |
526 | CONST | |
527 | | type_specifier | |
528 | | specifier_qualifier_list CONST | |
529 | | specifier_qualifier_list type_specifier | |
530 | ; | |
531 | ||
532 | struct_or_variant_declarator_list: | |
533 | struct_or_variant_declarator | |
534 | | struct_or_variant_declarator_list COMMA struct_or_variant_declarator | |
535 | ; | |
536 | ||
537 | struct_or_variant_declarator: | |
538 | declarator | |
539 | | COLON unary_expression | |
540 | | declarator COLON unary_expression | |
541 | ; | |
542 | ||
543 | enumerator_list: | |
544 | enumerator | |
545 | | enumerator_list COMMA enumerator | |
546 | ; | |
547 | ||
548 | enumerator: | |
549 | IDENTIFIER | |
550 | | ID_TYPE | |
551 | | keywords | |
552 | | STRING_LITERAL_START DQUOTE | |
553 | | STRING_LITERAL_START s_char_sequence DQUOTE | |
554 | | IDENTIFIER EQUAL unary_expression_or_range | |
555 | | ID_TYPE EQUAL unary_expression_or_range | |
556 | | keywords EQUAL unary_expression_or_range | |
557 | | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range | |
558 | | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range | |
559 | ; | |
560 | ||
561 | abstract_declarator_list: | |
562 | abstract_declarator | |
563 | | abstract_declarator_list COMMA abstract_declarator | |
564 | ; | |
565 | ||
566 | abstract_declarator: | |
567 | direct_abstract_declarator | |
568 | | pointer direct_abstract_declarator | |
569 | ; | |
570 | ||
571 | direct_abstract_declarator: | |
572 | /* empty */ | |
573 | | IDENTIFIER | |
574 | | LPAREN abstract_declarator RPAREN | |
575 | | direct_abstract_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
576 | | direct_abstract_declarator LSBRAC RSBRAC | |
577 | ; | |
578 | ||
579 | declarator: | |
580 | direct_declarator | |
581 | | pointer direct_declarator | |
582 | ; | |
583 | ||
584 | direct_declarator: | |
585 | IDENTIFIER | |
586 | | LPAREN declarator RPAREN | |
587 | | direct_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
588 | ; | |
589 | ||
590 | type_declarator: | |
591 | direct_type_declarator | |
592 | | pointer direct_type_declarator | |
593 | ; | |
594 | ||
595 | direct_type_declarator: | |
596 | IDENTIFIER | |
597 | { | |
34d3acc4 | 598 | add_type(scanner, $1->s); |
8b9d5b5e MD |
599 | } |
600 | | LPAREN type_declarator RPAREN | |
601 | | direct_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
602 | ; | |
603 | ||
604 | abstract_type_declarator: | |
605 | direct_abstract_type_declarator | |
606 | | pointer direct_abstract_type_declarator | |
607 | ; | |
608 | ||
609 | direct_abstract_type_declarator: | |
610 | /* empty */ | |
611 | | IDENTIFIER | |
612 | { | |
34d3acc4 | 613 | add_type(scanner, $1->s); |
8b9d5b5e MD |
614 | } |
615 | | LPAREN abstract_type_declarator RPAREN | |
616 | | direct_abstract_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
617 | | direct_abstract_type_declarator LSBRAC RSBRAC | |
618 | ; | |
619 | ||
620 | pointer: | |
621 | STAR | |
622 | | STAR pointer | |
623 | | STAR type_qualifier_list pointer | |
624 | ; | |
625 | ||
626 | type_qualifier_list: | |
627 | CONST | |
628 | | type_qualifier_list CONST | |
629 | ; | |
630 | ||
631 | /* 2.3: CTF-specific declarations */ | |
632 | ||
633 | ctf_assignment_expression_list: | |
634 | ctf_assignment_expression SEMICOLON | |
635 | | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON | |
636 | ; | |
637 | ||
638 | ctf_assignment_expression: | |
639 | unary_expression EQUAL unary_expression | |
640 | | unary_expression TYPEASSIGN type_specifier | |
641 | | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list | |
642 | | TYPEDEF declaration_specifiers type_declarator_list | |
643 | | declaration_specifiers TYPEDEF type_declarator_list | |
644 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list | |
645 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list | |
646 | ; |