Commit | Line | Data |
---|---|---|
8b9d5b5e MD |
1 | %{ |
2 | /* | |
c59a87f5 | 3 | * ctf-parser.y |
8b9d5b5e MD |
4 | * |
5 | * Common Trace Format Metadata Grammar. | |
c59a87f5 MD |
6 | * |
7 | * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
8 | * | |
9 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
10 | * of this software and associated documentation files (the "Software"), to deal | |
11 | * in the Software without restriction, including without limitation the rights | |
12 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
13 | * copies of the Software, and to permit persons to whom the Software is | |
14 | * furnished to do so, subject to the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice shall be included in | |
17 | * all copies or substantial portions of the Software. | |
8b9d5b5e MD |
18 | */ |
19 | ||
20 | #include <stdio.h> | |
21 | #include <unistd.h> | |
22 | #include <string.h> | |
23 | #include <stdlib.h> | |
24 | #include <assert.h> | |
25 | #include <helpers/list.h> | |
26 | #include <glib.h> | |
34d3acc4 | 27 | #include "ctf-scanner.h" |
8b9d5b5e MD |
28 | #include "ctf-parser.h" |
29 | #include "ctf-ast.h" | |
30 | ||
31 | #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, args) | |
32 | #define printf_dbg_noarg(fmt) fprintf(stderr, "%s: " fmt, __func__) | |
33 | ||
34d3acc4 MD |
34 | int yyparse(struct ctf_scanner *scanner); |
35 | int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner); | |
36 | int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals); | |
37 | int yylex_destroy(yyscan_t yyscanner) ; | |
38 | void yyset_in(FILE * in_str, yyscan_t scanner); | |
8b9d5b5e | 39 | |
8b9d5b5e MD |
40 | int yydebug; |
41 | ||
8b9d5b5e MD |
42 | struct gc_string { |
43 | struct cds_list_head gc; | |
44 | char s[]; | |
45 | }; | |
46 | ||
8b9d5b5e MD |
47 | char *strredup(char **dest, const char *src) |
48 | { | |
49 | size_t len = strlen(src) + 1; | |
50 | ||
51 | *dest = realloc(*dest, len); | |
52 | if (!*dest) | |
53 | return NULL; | |
54 | strcpy(*dest, src); | |
55 | return *dest; | |
56 | } | |
57 | ||
34d3acc4 | 58 | static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner, size_t len) |
8b9d5b5e MD |
59 | { |
60 | struct gc_string *gstr; | |
61 | ||
62 | gstr = malloc(sizeof(*gstr) + len); | |
34d3acc4 | 63 | cds_list_add(&gstr->gc, &scanner->allocated_strings); |
8b9d5b5e MD |
64 | return gstr; |
65 | } | |
66 | ||
34d3acc4 | 67 | void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src) |
8b9d5b5e | 68 | { |
34d3acc4 MD |
69 | lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1); |
70 | strcpy(lvalp->gs->s, src); | |
8b9d5b5e MD |
71 | } |
72 | ||
73 | static void init_scope(struct scope *scope, struct scope *parent) | |
74 | { | |
75 | scope->parent = parent; | |
76 | scope->types = g_hash_table_new_full(g_str_hash, g_str_equal, | |
77 | (GDestroyNotify) free, NULL); | |
78 | } | |
79 | ||
80 | static void finalize_scope(struct scope *scope) | |
81 | { | |
82 | g_hash_table_destroy(scope->types); | |
83 | } | |
84 | ||
34d3acc4 | 85 | static void push_scope(struct ctf_scanner *scanner) |
8b9d5b5e MD |
86 | { |
87 | struct scope *ns; | |
88 | ||
89 | printf_dbg_noarg("push scope\n"); | |
90 | ns = malloc(sizeof(struct scope)); | |
34d3acc4 MD |
91 | init_scope(ns, scanner->cs); |
92 | scanner->cs = ns; | |
8b9d5b5e MD |
93 | } |
94 | ||
34d3acc4 | 95 | static void pop_scope(struct ctf_scanner *scanner) |
8b9d5b5e MD |
96 | { |
97 | struct scope *os; | |
98 | ||
99 | printf_dbg_noarg("pop scope\n"); | |
34d3acc4 MD |
100 | os = scanner->cs; |
101 | scanner->cs = os->parent; | |
8b9d5b5e MD |
102 | finalize_scope(os); |
103 | free(os); | |
104 | } | |
105 | ||
34d3acc4 | 106 | static int lookup_type(struct scope *s, const char *id) |
8b9d5b5e MD |
107 | { |
108 | int ret; | |
109 | ||
110 | ret = (int) g_hash_table_lookup(s->types, id); | |
111 | printf_dbg("lookup %p %s %d\n", s, id, ret); | |
112 | return ret; | |
113 | } | |
114 | ||
34d3acc4 | 115 | int is_type(struct ctf_scanner *scanner, const char *id) |
8b9d5b5e MD |
116 | { |
117 | struct scope *it; | |
118 | int ret = 0; | |
119 | ||
34d3acc4 | 120 | for (it = scanner->cs; it != NULL; it = it->parent) { |
8b9d5b5e MD |
121 | if (lookup_type(it, id)) { |
122 | ret = 1; | |
123 | break; | |
124 | } | |
125 | } | |
126 | printf_dbg("is type %s %d\n", id, ret); | |
127 | return ret; | |
128 | } | |
129 | ||
34d3acc4 | 130 | static void add_type(struct ctf_scanner *scanner, const char *id) |
8b9d5b5e MD |
131 | { |
132 | char *type_id = NULL; | |
133 | ||
134 | printf_dbg("add type %s\n", id); | |
34d3acc4 | 135 | if (lookup_type(scanner->cs, id)) |
8b9d5b5e MD |
136 | return; |
137 | strredup(&type_id, id); | |
34d3acc4 | 138 | g_hash_table_insert(scanner->cs->types, type_id, type_id); |
8b9d5b5e MD |
139 | } |
140 | ||
34d3acc4 | 141 | void yyerror(struct ctf_scanner *scanner, const char *str) |
8b9d5b5e MD |
142 | { |
143 | fprintf(stderr, "error %s\n", str); | |
144 | } | |
145 | ||
146 | int yywrap(void) | |
147 | { | |
148 | return 1; | |
149 | } | |
150 | ||
34d3acc4 | 151 | static void free_strings(struct cds_list_head *list) |
8b9d5b5e MD |
152 | { |
153 | struct gc_string *gstr, *tmp; | |
154 | ||
34d3acc4 | 155 | cds_list_for_each_entry_safe(gstr, tmp, list, gc) |
8b9d5b5e MD |
156 | free(gstr); |
157 | } | |
158 | ||
34d3acc4 | 159 | static struct ctf_ast *ctf_ast_alloc(void) |
8b9d5b5e | 160 | { |
34d3acc4 MD |
161 | struct ctf_ast *ast; |
162 | ||
163 | ast = malloc(sizeof(*ast)); | |
164 | if (!ast) | |
165 | return NULL; | |
166 | memset(ast, 0, sizeof(*ast)); | |
167 | return ast; | |
168 | } | |
169 | ||
170 | static void ctf_ast_free(struct ctf_ast *ast) | |
171 | { | |
172 | } | |
173 | ||
174 | int ctf_scanner_append_ast(struct ctf_scanner *scanner) | |
175 | { | |
176 | return yyparse(scanner); | |
177 | } | |
178 | ||
179 | struct ctf_scanner *ctf_scanner_alloc(FILE *input) | |
180 | { | |
181 | struct ctf_scanner *scanner; | |
182 | int ret; | |
183 | ||
184 | scanner = malloc(sizeof(*scanner)); | |
185 | if (!scanner) | |
186 | return NULL; | |
187 | memset(scanner, 0, sizeof(*scanner)); | |
188 | ||
189 | ret = yylex_init_extra(scanner, &scanner->scanner); | |
190 | if (ret) { | |
191 | fprintf(stderr, "yylex_init error\n"); | |
192 | goto cleanup_scanner; | |
193 | } | |
194 | yyset_in(input, scanner); | |
195 | ||
196 | scanner->ast = ctf_ast_alloc(); | |
197 | if (!scanner->ast) | |
198 | goto cleanup_lexer; | |
199 | init_scope(&scanner->root_scope, NULL); | |
200 | CDS_INIT_LIST_HEAD(&scanner->allocated_strings); | |
201 | ||
202 | return scanner; | |
203 | ||
204 | cleanup_lexer: | |
205 | ret = yylex_destroy(scanner->scanner); | |
206 | if (!ret) | |
207 | fprintf(stderr, "yylex_destroy error\n"); | |
208 | cleanup_scanner: | |
209 | free(scanner); | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | void ctf_scanner_free(struct ctf_scanner *scanner) | |
214 | { | |
215 | int ret; | |
216 | ||
217 | finalize_scope(&scanner->root_scope); | |
218 | free_strings(&scanner->allocated_strings); | |
219 | ctf_ast_free(scanner->ast); | |
220 | ret = yylex_destroy(scanner->scanner); | |
221 | if (ret) | |
222 | fprintf(stderr, "yylex_destroy error\n"); | |
223 | free(scanner); | |
224 | } | |
8b9d5b5e MD |
225 | |
226 | %} | |
227 | ||
34d3acc4 MD |
228 | %define api.pure |
229 | /* %locations */ | |
230 | %parse-param {struct ctf_scanner *scanner} | |
231 | %lex-param {struct ctf_scanner *scanner} | |
8b9d5b5e | 232 | %start file |
8b9d5b5e MD |
233 | %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 |
234 | %token <gs> IDENTIFIER ID_TYPE | |
235 | %token ERROR | |
236 | %union | |
237 | { | |
238 | long long ll; | |
239 | char c; | |
240 | struct gc_string *gs; | |
241 | struct ctf_node *n; | |
242 | } | |
243 | ||
8b9d5b5e MD |
244 | %% |
245 | ||
246 | file: | |
247 | declaration | |
248 | | file declaration | |
249 | ; | |
250 | ||
251 | keywords: | |
252 | VOID | |
253 | | CHAR | |
254 | | SHORT | |
255 | | INT | |
256 | | LONG | |
257 | | FLOAT | |
258 | | DOUBLE | |
259 | | SIGNED | |
260 | | UNSIGNED | |
261 | | _BOOL | |
262 | | _COMPLEX | |
263 | | FLOATING_POINT | |
264 | | INTEGER | |
265 | | STRING | |
266 | | ENUM | |
267 | | VARIANT | |
268 | | STRUCT | |
269 | | CONST | |
270 | | TYPEDEF | |
271 | | EVENT | |
272 | | STREAM | |
273 | | TRACE | |
274 | ; | |
275 | ||
276 | /* 1.5 Constants */ | |
277 | ||
278 | c_char_sequence: | |
279 | c_char | |
280 | | c_char_sequence c_char | |
281 | ; | |
282 | ||
283 | c_char: | |
284 | CHAR_STRING_TOKEN | |
285 | | ESCSEQ | |
286 | ; | |
287 | ||
288 | /* 1.6 String literals */ | |
289 | ||
290 | s_char_sequence: | |
291 | s_char | |
292 | | s_char_sequence s_char | |
293 | ; | |
294 | ||
295 | s_char: | |
296 | CHAR_STRING_TOKEN | |
297 | | ESCSEQ | |
298 | ; | |
299 | ||
300 | /* 2: Phrase structure grammar */ | |
301 | ||
302 | postfix_expression: | |
303 | IDENTIFIER | |
304 | | ID_TYPE | |
305 | | keywords | |
306 | | DECIMAL_CONSTANT | |
307 | | OCTAL_CONSTANT | |
308 | | HEXADECIMAL_CONSTANT | |
309 | | STRING_LITERAL_START DQUOTE | |
310 | | STRING_LITERAL_START s_char_sequence DQUOTE | |
311 | | CHARACTER_CONSTANT_START c_char_sequence SQUOTE | |
312 | | LPAREN unary_expression RPAREN | |
313 | | postfix_expression LSBRAC unary_expression RSBRAC | |
314 | | postfix_expression DOT IDENTIFIER | |
315 | | postfix_expression DOT ID_TYPE | |
316 | | postfix_expression RARROW IDENTIFIER | |
317 | | postfix_expression RARROW ID_TYPE | |
318 | ; | |
319 | ||
320 | unary_expression: | |
321 | postfix_expression | |
322 | | PLUS postfix_expression | |
323 | | MINUS postfix_expression | |
324 | ; | |
325 | ||
326 | unary_expression_or_range: | |
327 | unary_expression DOTDOTDOT unary_expression | |
328 | | unary_expression | |
329 | ; | |
330 | ||
331 | /* 2.2: Declarations */ | |
332 | ||
333 | declaration: | |
334 | declaration_specifiers SEMICOLON | |
335 | | event_declaration | |
336 | | stream_declaration | |
337 | | trace_declaration | |
338 | | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON | |
339 | | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON | |
340 | | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON | |
341 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list SEMICOLON | |
342 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list SEMICOLON | |
343 | ; | |
344 | ||
345 | event_declaration: | |
346 | event_declaration_begin event_declaration_end | |
347 | | event_declaration_begin ctf_assignment_expression_list event_declaration_end | |
348 | ; | |
349 | ||
350 | event_declaration_begin: | |
351 | EVENT LBRAC | |
352 | { | |
34d3acc4 | 353 | push_scope(scanner); |
8b9d5b5e MD |
354 | } |
355 | ; | |
356 | ||
357 | event_declaration_end: | |
358 | RBRAC SEMICOLON | |
359 | { | |
34d3acc4 | 360 | pop_scope(scanner); |
8b9d5b5e MD |
361 | } |
362 | ; | |
363 | ||
364 | ||
365 | stream_declaration: | |
366 | stream_declaration_begin stream_declaration_end | |
367 | | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end | |
368 | ; | |
369 | ||
370 | stream_declaration_begin: | |
371 | STREAM LBRAC | |
372 | { | |
34d3acc4 | 373 | push_scope(scanner); |
8b9d5b5e MD |
374 | } |
375 | ; | |
376 | ||
377 | stream_declaration_end: | |
378 | RBRAC SEMICOLON | |
379 | { | |
34d3acc4 | 380 | pop_scope(scanner); |
8b9d5b5e MD |
381 | } |
382 | ; | |
383 | ||
384 | ||
385 | trace_declaration: | |
386 | trace_declaration_begin trace_declaration_end | |
387 | | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end | |
388 | ; | |
389 | ||
390 | trace_declaration_begin: | |
391 | TRACE LBRAC | |
392 | { | |
34d3acc4 | 393 | push_scope(scanner); |
8b9d5b5e MD |
394 | } |
395 | ; | |
396 | ||
397 | trace_declaration_end: | |
398 | RBRAC SEMICOLON | |
399 | { | |
34d3acc4 | 400 | pop_scope(scanner); |
8b9d5b5e MD |
401 | } |
402 | ; | |
403 | ||
404 | declaration_specifiers: | |
405 | CONST | |
406 | | type_specifier | |
407 | | declaration_specifiers CONST | |
408 | | declaration_specifiers type_specifier | |
409 | ; | |
410 | ||
411 | type_declarator_list: | |
412 | type_declarator | |
413 | | type_declarator_list COMMA type_declarator | |
414 | ; | |
415 | ||
416 | abstract_type_declarator_list: | |
417 | abstract_type_declarator | |
418 | | abstract_type_declarator_list COMMA abstract_type_declarator | |
419 | ; | |
420 | ||
421 | type_specifier: | |
422 | VOID | |
423 | | CHAR | |
424 | | SHORT | |
425 | | INT | |
426 | | LONG | |
427 | | FLOAT | |
428 | | DOUBLE | |
429 | | SIGNED | |
430 | | UNSIGNED | |
431 | | _BOOL | |
432 | | _COMPLEX | |
433 | | ID_TYPE | |
434 | | FLOATING_POINT LBRAC RBRAC | |
435 | | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC | |
436 | | INTEGER LBRAC RBRAC | |
437 | | INTEGER LBRAC ctf_assignment_expression_list RBRAC | |
438 | | STRING LBRAC RBRAC | |
439 | | STRING LBRAC ctf_assignment_expression_list RBRAC | |
440 | | ENUM enum_type_specifier | |
441 | | VARIANT variant_type_specifier | |
442 | | STRUCT struct_type_specifier | |
443 | ; | |
444 | ||
445 | struct_type_specifier: | |
446 | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end | |
447 | | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end | |
448 | | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end | |
449 | | IDENTIFIER | |
450 | | ID_TYPE | |
451 | ; | |
452 | ||
453 | struct_declaration_begin: | |
454 | LBRAC | |
455 | { | |
34d3acc4 | 456 | push_scope(scanner); |
8b9d5b5e MD |
457 | } |
458 | ; | |
459 | ||
460 | struct_declaration_end: | |
461 | RBRAC | |
462 | { | |
34d3acc4 | 463 | pop_scope(scanner); |
8b9d5b5e MD |
464 | } |
465 | ; | |
466 | ||
467 | variant_type_specifier: | |
468 | variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
469 | | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
470 | | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
471 | | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
472 | | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
473 | | IDENTIFIER LT IDENTIFIER GT | |
474 | | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
475 | | IDENTIFIER LT ID_TYPE GT | |
476 | | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
477 | | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
478 | | ID_TYPE LT IDENTIFIER GT | |
479 | | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end | |
480 | | ID_TYPE LT ID_TYPE GT | |
481 | ; | |
482 | ||
483 | variant_declaration_begin: | |
484 | LBRAC | |
485 | { | |
34d3acc4 | 486 | push_scope(scanner); |
8b9d5b5e MD |
487 | } |
488 | ; | |
489 | ||
490 | variant_declaration_end: | |
491 | RBRAC | |
492 | { | |
34d3acc4 | 493 | pop_scope(scanner); |
8b9d5b5e MD |
494 | } |
495 | ; | |
496 | ||
497 | type_specifier_or_integer_constant: | |
498 | declaration_specifiers | |
499 | | DECIMAL_CONSTANT | |
500 | | OCTAL_CONSTANT | |
501 | | HEXADECIMAL_CONSTANT | |
502 | ; | |
503 | ||
504 | enum_type_specifier: | |
505 | LBRAC enumerator_list RBRAC | |
506 | | LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC | |
507 | | IDENTIFIER LBRAC enumerator_list RBRAC | |
508 | | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC | |
509 | | ID_TYPE LBRAC enumerator_list RBRAC | |
510 | | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC | |
511 | | LBRAC enumerator_list COMMA RBRAC | |
512 | | LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC | |
513 | | IDENTIFIER LBRAC enumerator_list COMMA RBRAC | |
514 | | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC | |
515 | | IDENTIFIER | |
516 | | IDENTIFIER LT type_specifier_or_integer_constant GT | |
517 | | ID_TYPE LBRAC enumerator_list COMMA RBRAC | |
518 | | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC | |
519 | | ID_TYPE | |
520 | | ID_TYPE LT type_specifier_or_integer_constant GT | |
521 | ; | |
522 | ||
523 | struct_or_variant_declaration_list: | |
524 | /* empty */ | |
525 | | struct_or_variant_declaration_list struct_or_variant_declaration | |
526 | ; | |
527 | ||
528 | struct_or_variant_declaration: | |
529 | specifier_qualifier_list struct_or_variant_declarator_list SEMICOLON | |
530 | | specifier_qualifier_list TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON | |
531 | | TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON | |
532 | | specifier_qualifier_list TYPEDEF type_declarator_list SEMICOLON | |
533 | | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON specifier_qualifier_list abstract_type_declarator_list SEMICOLON | |
534 | | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON type_declarator_list SEMICOLON | |
535 | ; | |
536 | ||
537 | specifier_qualifier_list: | |
538 | CONST | |
539 | | type_specifier | |
540 | | specifier_qualifier_list CONST | |
541 | | specifier_qualifier_list type_specifier | |
542 | ; | |
543 | ||
544 | struct_or_variant_declarator_list: | |
545 | struct_or_variant_declarator | |
546 | | struct_or_variant_declarator_list COMMA struct_or_variant_declarator | |
547 | ; | |
548 | ||
549 | struct_or_variant_declarator: | |
550 | declarator | |
551 | | COLON unary_expression | |
552 | | declarator COLON unary_expression | |
553 | ; | |
554 | ||
555 | enumerator_list: | |
556 | enumerator | |
557 | | enumerator_list COMMA enumerator | |
558 | ; | |
559 | ||
560 | enumerator: | |
561 | IDENTIFIER | |
562 | | ID_TYPE | |
563 | | keywords | |
564 | | STRING_LITERAL_START DQUOTE | |
565 | | STRING_LITERAL_START s_char_sequence DQUOTE | |
566 | | IDENTIFIER EQUAL unary_expression_or_range | |
567 | | ID_TYPE EQUAL unary_expression_or_range | |
568 | | keywords EQUAL unary_expression_or_range | |
569 | | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range | |
570 | | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range | |
571 | ; | |
572 | ||
573 | abstract_declarator_list: | |
574 | abstract_declarator | |
575 | | abstract_declarator_list COMMA abstract_declarator | |
576 | ; | |
577 | ||
578 | abstract_declarator: | |
579 | direct_abstract_declarator | |
580 | | pointer direct_abstract_declarator | |
581 | ; | |
582 | ||
583 | direct_abstract_declarator: | |
584 | /* empty */ | |
585 | | IDENTIFIER | |
586 | | LPAREN abstract_declarator RPAREN | |
587 | | direct_abstract_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
588 | | direct_abstract_declarator LSBRAC RSBRAC | |
589 | ; | |
590 | ||
591 | declarator: | |
592 | direct_declarator | |
593 | | pointer direct_declarator | |
594 | ; | |
595 | ||
596 | direct_declarator: | |
597 | IDENTIFIER | |
598 | | LPAREN declarator RPAREN | |
599 | | direct_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
600 | ; | |
601 | ||
602 | type_declarator: | |
603 | direct_type_declarator | |
604 | | pointer direct_type_declarator | |
605 | ; | |
606 | ||
607 | direct_type_declarator: | |
608 | IDENTIFIER | |
609 | { | |
34d3acc4 | 610 | add_type(scanner, $1->s); |
8b9d5b5e MD |
611 | } |
612 | | LPAREN type_declarator RPAREN | |
613 | | direct_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
614 | ; | |
615 | ||
616 | abstract_type_declarator: | |
617 | direct_abstract_type_declarator | |
618 | | pointer direct_abstract_type_declarator | |
619 | ; | |
620 | ||
621 | direct_abstract_type_declarator: | |
622 | /* empty */ | |
623 | | IDENTIFIER | |
624 | { | |
34d3acc4 | 625 | add_type(scanner, $1->s); |
8b9d5b5e MD |
626 | } |
627 | | LPAREN abstract_type_declarator RPAREN | |
628 | | direct_abstract_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC | |
629 | | direct_abstract_type_declarator LSBRAC RSBRAC | |
630 | ; | |
631 | ||
632 | pointer: | |
633 | STAR | |
634 | | STAR pointer | |
635 | | STAR type_qualifier_list pointer | |
636 | ; | |
637 | ||
638 | type_qualifier_list: | |
639 | CONST | |
640 | | type_qualifier_list CONST | |
641 | ; | |
642 | ||
643 | /* 2.3: CTF-specific declarations */ | |
644 | ||
645 | ctf_assignment_expression_list: | |
646 | ctf_assignment_expression SEMICOLON | |
647 | | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON | |
648 | ; | |
649 | ||
650 | ctf_assignment_expression: | |
651 | unary_expression EQUAL unary_expression | |
652 | | unary_expression TYPEASSIGN type_specifier | |
653 | | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list | |
654 | | TYPEDEF declaration_specifiers type_declarator_list | |
655 | | declaration_specifiers TYPEDEF type_declarator_list | |
656 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list | |
657 | | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list | |
658 | ; |