5 * Common Trace Format Metadata Grammar.
7 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
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:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
25 #include <helpers/list.h>
28 #include "ctf-scanner.h"
29 #include "ctf-parser.h"
32 #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, ## args)
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);
43 struct cds_list_head gc;
47 char *strredup(char **dest, const char *src)
49 size_t len = strlen(src) + 1;
51 *dest = realloc(*dest, len);
58 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner, size_t len)
60 struct gc_string *gstr;
62 gstr = malloc(sizeof(*gstr) + len);
63 cds_list_add(&gstr->gc, &scanner->allocated_strings);
67 void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
69 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
70 strcpy(lvalp->gs->s, src);
73 static void init_scope(struct ctf_scanner_scope *scope,
74 struct ctf_scanner_scope *parent)
76 scope->parent = parent;
77 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
78 (GDestroyNotify) free, NULL);
81 static void finalize_scope(struct ctf_scanner_scope *scope)
83 g_hash_table_destroy(scope->types);
86 static void push_scope(struct ctf_scanner *scanner)
88 struct ctf_scanner_scope *ns;
90 printf_dbg("push scope\n");
91 ns = malloc(sizeof(struct ctf_scanner_scope));
92 init_scope(ns, scanner->cs);
96 static void pop_scope(struct ctf_scanner *scanner)
98 struct ctf_scanner_scope *os;
100 printf_dbg("pop scope\n");
102 scanner->cs = os->parent;
107 static int lookup_type(struct ctf_scanner_scope *s, const char *id)
111 ret = (int) g_hash_table_lookup(s->types, id);
112 printf_dbg("lookup %p %s %d\n", s, id, ret);
116 int is_type(struct ctf_scanner *scanner, const char *id)
118 struct ctf_scanner_scope *it;
121 for (it = scanner->cs; it != NULL; it = it->parent) {
122 if (lookup_type(it, id)) {
127 printf_dbg("is type %s %d\n", id, ret);
131 static void add_type(struct ctf_scanner *scanner, const char *id)
133 char *type_id = NULL;
135 printf_dbg("add type %s\n", id);
136 if (lookup_type(scanner->cs, id))
138 strredup(&type_id, id);
139 g_hash_table_insert(scanner->cs->types, type_id, type_id);
142 static struct ctf_node *make_node(struct ctf_scanner *scanner,
145 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
146 struct ctf_node *node;
148 node = malloc(sizeof(*node));
151 memset(node, 0, sizeof(*node));
153 CDS_INIT_LIST_HEAD(&node->siblings);
154 cds_list_add(&node->gc, &ast->allocated_nodes);
158 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
162 CDS_INIT_LIST_HEAD(&node->u.event._typedef);
163 CDS_INIT_LIST_HEAD(&node->u.event.typealias);
164 CDS_INIT_LIST_HEAD(&node->u.event.ctf_expression);
165 CDS_INIT_LIST_HEAD(&node->u.event.declaration_specifier);
168 CDS_INIT_LIST_HEAD(&node->u.stream._typedef);
169 CDS_INIT_LIST_HEAD(&node->u.stream.typealias);
170 CDS_INIT_LIST_HEAD(&node->u.stream.ctf_expression);
171 CDS_INIT_LIST_HEAD(&node->u.stream.declaration_specifier);
174 CDS_INIT_LIST_HEAD(&node->u.trace._typedef);
175 CDS_INIT_LIST_HEAD(&node->u.trace.typealias);
176 CDS_INIT_LIST_HEAD(&node->u.trace.ctf_expression);
177 CDS_INIT_LIST_HEAD(&node->u.trace.declaration_specifier);
180 case NODE_CTF_EXPRESSION:
184 CDS_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
186 case NODE_TYPEALIAS_TARGET:
187 CDS_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
189 case NODE_TYPEALIAS_ALIAS:
190 CDS_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
195 case NODE_TYPE_SPECIFIER:
197 case NODE_DECLARATION_SPECIFIER:
198 CDS_INIT_LIST_HEAD(&node->u.declaration_specifier.type_specifiers);
202 case NODE_TYPE_DECLARATOR:
203 CDS_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
206 case NODE_FLOATING_POINT:
207 CDS_INIT_LIST_HEAD(&node->u.floating_point.expressions);
210 CDS_INIT_LIST_HEAD(&node->u.integer.expressions);
213 CDS_INIT_LIST_HEAD(&node->u.string.expressions);
215 case NODE_ENUMERATOR:
218 CDS_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
220 case NODE_STRUCT_OR_VARIANT_DECLARATION:
221 CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
224 CDS_INIT_LIST_HEAD(&node->u.variant._typedef);
225 CDS_INIT_LIST_HEAD(&node->u.variant.typealias);
226 CDS_INIT_LIST_HEAD(&node->u.variant.declaration_list);
229 CDS_INIT_LIST_HEAD(&node->u._struct._typedef);
230 CDS_INIT_LIST_HEAD(&node->u._struct.typealias);
231 CDS_INIT_LIST_HEAD(&node->u._struct.declaration_list);
236 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
244 static int reparent_ctf_expression(struct ctf_node *node,
245 struct ctf_node *parent)
247 switch (parent->type) {
249 cds_list_add(&node->siblings, &parent->u.event.ctf_expression);
252 cds_list_add(&node->siblings, &parent->u.stream.ctf_expression);
255 cds_list_add(&node->siblings, &parent->u.trace.ctf_expression);
257 case NODE_FLOATING_POINT:
258 cds_list_add(&node->siblings, &parent->u.floating_point.expressions);
261 cds_list_add(&node->siblings, &parent->u.integer.expressions);
264 cds_list_add(&node->siblings, &parent->u.string.expressions);
268 case NODE_CTF_EXPRESSION:
270 case NODE_TYPEALIAS_TARGET:
271 case NODE_TYPEALIAS_ALIAS:
273 case NODE_TYPE_SPECIFIER:
274 case NODE_DECLARATION_SPECIFIER:
276 case NODE_TYPE_DECLARATOR:
277 case NODE_ENUMERATOR:
279 case NODE_STRUCT_OR_VARIANT_DECLARATION:
286 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
293 static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
295 switch (parent->type) {
297 cds_list_add(&node->siblings, &parent->u.root._typedef);
300 cds_list_add(&node->siblings, &parent->u.event._typedef);
303 cds_list_add(&node->siblings, &parent->u.stream._typedef);
306 cds_list_add(&node->siblings, &parent->u.trace._typedef);
309 cds_list_add(&node->siblings, &parent->u.variant._typedef);
312 cds_list_add(&node->siblings, &parent->u._struct._typedef);
315 case NODE_FLOATING_POINT:
318 case NODE_CTF_EXPRESSION:
320 case NODE_TYPEALIAS_TARGET:
321 case NODE_TYPEALIAS_ALIAS:
323 case NODE_TYPE_SPECIFIER:
324 case NODE_DECLARATION_SPECIFIER:
326 case NODE_TYPE_DECLARATOR:
327 case NODE_ENUMERATOR:
329 case NODE_STRUCT_OR_VARIANT_DECLARATION:
334 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
341 static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
343 switch (parent->type) {
345 cds_list_add(&node->siblings, &parent->u.root.typealias);
348 cds_list_add(&node->siblings, &parent->u.event.typealias);
351 cds_list_add(&node->siblings, &parent->u.stream.typealias);
354 cds_list_add(&node->siblings, &parent->u.trace.typealias);
357 cds_list_add(&node->siblings, &parent->u.variant.typealias);
360 cds_list_add(&node->siblings, &parent->u._struct.typealias);
363 case NODE_FLOATING_POINT:
366 case NODE_CTF_EXPRESSION:
368 case NODE_TYPEALIAS_TARGET:
369 case NODE_TYPEALIAS_ALIAS:
371 case NODE_TYPE_SPECIFIER:
372 case NODE_DECLARATION_SPECIFIER:
374 case NODE_TYPE_DECLARATOR:
375 case NODE_ENUMERATOR:
377 case NODE_STRUCT_OR_VARIANT_DECLARATION:
382 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
389 static int reparent_declaration_specifier(struct ctf_node *node,
390 struct ctf_node *parent)
392 switch (parent->type) {
394 cds_list_add(&node->siblings, &parent->u.root.declaration_specifier);
397 cds_list_add(&node->siblings, &parent->u.event.declaration_specifier);
400 cds_list_add(&node->siblings, &parent->u.stream.declaration_specifier);
403 cds_list_add(&node->siblings, &parent->u.trace.declaration_specifier);
406 cds_list_add(&node->siblings, &parent->u.variant.declaration_list);
409 cds_list_add(&node->siblings, &parent->u._struct.declaration_list);
412 parent->u._typedef.declaration_specifier = node;
414 case NODE_TYPEALIAS_TARGET:
415 parent->u.typealias_target.declaration_specifier = node;
417 case NODE_TYPEALIAS_ALIAS:
418 parent->u.typealias_alias.declaration_specifier = node;
420 case NODE_TYPE_DECLARATOR:
421 parent->u.type_declarator.type = TYPEDEC_NESTED;
422 parent->u.type_declarator.u.nested.length.type = TYPEDEC_TYPE_TYPE;
423 parent->u.type_declarator.u.nested.length.u.declaration_specifier = node;
426 parent->u._enum.container_type.type = ENUM_TYPE_TYPE;
427 parent->u._enum.container_type.u.declaration_specifier = node;
429 case NODE_STRUCT_OR_VARIANT_DECLARATION:
430 parent->u.struct_or_variant_declaration.declaration_specifier = node;
433 case NODE_FLOATING_POINT:
436 case NODE_CTF_EXPRESSION:
437 case NODE_TYPE_SPECIFIER:
438 case NODE_DECLARATION_SPECIFIER:
440 case NODE_ENUMERATOR:
445 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
452 static int reparent_type_declarator(struct ctf_node *node,
453 struct ctf_node *parent)
455 switch (parent->type) {
456 case NODE_TYPE_DECLARATOR:
457 parent->u.type_declarator.type = TYPEDEC_NESTED;
458 parent->u.type_declarator.u.nested.type_declarator = node;
460 case NODE_STRUCT_OR_VARIANT_DECLARATION:
461 cds_list_add(&node->siblings, &parent->u.struct_or_variant_declaration.type_declarators);
464 cds_list_add(&node->siblings, &parent->u._typedef.type_declarators);
466 case NODE_TYPEALIAS_TARGET:
467 cds_list_add(&node->siblings, &parent->u.typealias_target.type_declarators);
469 case NODE_TYPEALIAS_ALIAS:
470 cds_list_add(&node->siblings, &parent->u.typealias_alias.type_declarators);
481 case NODE_FLOATING_POINT:
484 case NODE_CTF_EXPRESSION:
485 case NODE_TYPE_SPECIFIER:
486 case NODE_DECLARATION_SPECIFIER:
488 case NODE_ENUMERATOR:
493 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
503 * Relink node to new parent. Returns 0 on success, -EPERM if it is not
504 * permitted to create the link declared by the input, -ENOENT if node or parent
505 * is NULL, -EINVAL if there is an internal structure problem.
507 static int reparent_node(struct ctf_node *node,
508 struct ctf_node *parent)
510 if (!node || !parent)
513 /* Unlink from old parent */
514 cds_list_del(&node->siblings);
516 /* Link to new parent */
517 node->parent = parent;
519 switch (node->type) {
521 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
525 if (parent->type == NODE_ROOT)
526 cds_list_add(&node->siblings, &parent->u.root.event);
531 if (parent->type == NODE_ROOT)
532 cds_list_add(&node->siblings, &parent->u.root.stream);
537 if (parent->type == NODE_ROOT)
538 cds_list_add(&node->siblings, &parent->u.root.trace);
543 case NODE_CTF_EXPRESSION:
544 return reparent_ctf_expression(node, parent);
547 return reparent_typedef(node, parent);
548 case NODE_TYPEALIAS_TARGET:
549 if (parent->type == NODE_TYPEALIAS)
550 parent->u.typealias.target = node;
553 case NODE_TYPEALIAS_ALIAS:
554 if (parent->type == NODE_TYPEALIAS)
555 parent->u.typealias.alias = node;
559 return reparent_typealias(node, parent);
561 case NODE_TYPE_SPECIFIER:
562 if (parent->type == NODE_DECLARATION_SPECIFIER)
563 cds_list_add(&node->siblings, &parent->u.declaration_specifier.type_specifiers);
567 case NODE_DECLARATION_SPECIFIER:
568 return reparent_declaration_specifier(node, parent);
570 if (parent->type == NODE_TYPE_DECLARATOR)
571 cds_list_add(&node->siblings, &parent->u.type_declarator.pointers);
575 case NODE_TYPE_DECLARATOR:
576 return reparent_type_declarator(node, parent);
578 case NODE_FLOATING_POINT:
579 if (parent->type == NODE_TYPE_SPECIFIER) {
580 parent->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
581 parent->u.type_specifier.u.floating_point = node;
586 if (parent->type == NODE_TYPE_SPECIFIER) {
587 parent->u.type_specifier.type = TYPESPEC_INTEGER;
588 parent->u.type_specifier.u.integer = node;
593 if (parent->type == NODE_TYPE_SPECIFIER) {
594 parent->u.type_specifier.type = TYPESPEC_STRING;
595 parent->u.type_specifier.u.string = node;
599 case NODE_ENUMERATOR:
600 if (parent->type == NODE_ENUM)
601 cds_list_add(&node->siblings, &parent->u._enum.enumerator_list);
606 if (parent->type == NODE_TYPE_SPECIFIER) {
607 parent->u.type_specifier.type = TYPESPEC_ENUM;
608 parent->u.type_specifier.u._enum = node;
612 case NODE_STRUCT_OR_VARIANT_DECLARATION:
613 switch (parent->type) {
615 cds_list_add(&node->siblings, &parent->u.variant.declaration_list);
618 cds_list_add(&node->siblings, &parent->u._struct.declaration_list);
625 if (parent->type == NODE_TYPE_SPECIFIER) {
626 parent->u.type_specifier.type = TYPESPEC_VARIANT;
627 parent->u.type_specifier.u.variant = node;
632 if (parent->type == NODE_TYPE_SPECIFIER) {
633 parent->u.type_specifier.type = TYPESPEC_STRUCT;
634 parent->u.type_specifier.u._struct = node;
641 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
648 void yyerror(struct ctf_scanner *scanner, const char *str)
650 fprintf(stderr, "error %s\n", str);
658 static void free_strings(struct cds_list_head *list)
660 struct gc_string *gstr, *tmp;
662 cds_list_for_each_entry_safe(gstr, tmp, list, gc)
666 static struct ctf_ast *ctf_ast_alloc(void)
670 ast = malloc(sizeof(*ast));
673 memset(ast, 0, sizeof(*ast));
674 CDS_INIT_LIST_HEAD(&ast->allocated_nodes);
675 ast->root.type = NODE_ROOT;
676 CDS_INIT_LIST_HEAD(&ast->root.siblings);
677 CDS_INIT_LIST_HEAD(&ast->root.u.root._typedef);
678 CDS_INIT_LIST_HEAD(&ast->root.u.root.typealias);
679 CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_specifier);
680 CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
681 CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
682 CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
686 static void ctf_ast_free(struct ctf_ast *ast)
688 struct ctf_node *node, *tmp;
690 cds_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
694 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
696 return yyparse(scanner);
699 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
701 struct ctf_scanner *scanner;
704 scanner = malloc(sizeof(*scanner));
707 memset(scanner, 0, sizeof(*scanner));
709 ret = yylex_init_extra(scanner, &scanner->scanner);
711 fprintf(stderr, "yylex_init error\n");
712 goto cleanup_scanner;
714 yyset_in(input, scanner);
716 scanner->ast = ctf_ast_alloc();
719 init_scope(&scanner->root_scope, NULL);
720 CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
725 ret = yylex_destroy(scanner->scanner);
727 fprintf(stderr, "yylex_destroy error\n");
733 void ctf_scanner_free(struct ctf_scanner *scanner)
737 finalize_scope(&scanner->root_scope);
738 free_strings(&scanner->allocated_strings);
739 ctf_ast_free(scanner->ast);
740 ret = yylex_destroy(scanner->scanner);
742 fprintf(stderr, "yylex_destroy error\n");
750 %parse-param {struct ctf_scanner *scanner}
751 %lex-param {struct ctf_scanner *scanner}
753 %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
754 %token <gs> IDENTIFIER ID_TYPE
760 struct gc_string *gs;
764 %type <n> event_declaration
765 %type <n> ctf_assignment_expression_list
766 %type <n> ctf_assignment_expression
804 | c_char_sequence c_char
812 /* 1.6 String literals */
816 | s_char_sequence s_char
824 /* 2: Phrase structure grammar */
832 | HEXADECIMAL_CONSTANT
833 | STRING_LITERAL_START DQUOTE
834 | STRING_LITERAL_START s_char_sequence DQUOTE
835 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
836 | LPAREN unary_expression RPAREN
837 | postfix_expression LSBRAC unary_expression RSBRAC
838 | postfix_expression DOT IDENTIFIER
839 | postfix_expression DOT ID_TYPE
840 | postfix_expression RARROW IDENTIFIER
841 | postfix_expression RARROW ID_TYPE
846 | PLUS postfix_expression
847 | MINUS postfix_expression
850 unary_expression_or_range:
851 unary_expression DOTDOTDOT unary_expression
855 /* 2.2: Declarations */
858 declaration_specifiers SEMICOLON
862 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
863 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
864 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
865 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list SEMICOLON
866 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list SEMICOLON
870 event_declaration_begin event_declaration_end
871 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
873 $$ = make_node(scanner, NODE_EVENT);
878 event_declaration_begin:
880 { push_scope(scanner); }
883 event_declaration_end:
885 { pop_scope(scanner); }
890 stream_declaration_begin stream_declaration_end
891 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
894 stream_declaration_begin:
896 { push_scope(scanner); }
899 stream_declaration_end:
901 { pop_scope(scanner); }
906 trace_declaration_begin trace_declaration_end
907 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
910 trace_declaration_begin:
912 { push_scope(scanner); }
915 trace_declaration_end:
917 { pop_scope(scanner); }
920 declaration_specifiers:
923 | declaration_specifiers CONST
924 | declaration_specifiers type_specifier
927 type_declarator_list:
929 | type_declarator_list COMMA type_declarator
932 abstract_type_declarator_list:
933 abstract_type_declarator
934 | abstract_type_declarator_list COMMA abstract_type_declarator
950 | FLOATING_POINT LBRAC RBRAC
951 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
952 | INTEGER LBRAC RBRAC
953 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
955 | STRING LBRAC ctf_assignment_expression_list RBRAC
956 | ENUM enum_type_specifier
957 | VARIANT variant_type_specifier
958 | STRUCT struct_type_specifier
961 struct_type_specifier:
962 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
963 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
964 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
969 struct_declaration_begin:
971 { push_scope(scanner); }
974 struct_declaration_end:
976 { pop_scope(scanner); }
979 variant_type_specifier:
980 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
981 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
982 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
983 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
984 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
985 | IDENTIFIER LT IDENTIFIER GT
986 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
987 | IDENTIFIER LT ID_TYPE GT
988 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
989 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
990 | ID_TYPE LT IDENTIFIER GT
991 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
992 | ID_TYPE LT ID_TYPE GT
995 variant_declaration_begin:
997 { push_scope(scanner); }
1000 variant_declaration_end:
1002 { pop_scope(scanner); }
1005 type_specifier_or_integer_constant:
1006 declaration_specifiers
1009 | HEXADECIMAL_CONSTANT
1012 enum_type_specifier:
1013 LBRAC enumerator_list RBRAC
1014 | LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
1015 | IDENTIFIER LBRAC enumerator_list RBRAC
1016 | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
1017 | ID_TYPE LBRAC enumerator_list RBRAC
1018 | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
1019 | LBRAC enumerator_list COMMA RBRAC
1020 | LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
1021 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
1022 | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
1024 | IDENTIFIER LT type_specifier_or_integer_constant GT
1025 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
1026 | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
1028 | ID_TYPE LT type_specifier_or_integer_constant GT
1031 struct_or_variant_declaration_list:
1033 | struct_or_variant_declaration_list struct_or_variant_declaration
1036 struct_or_variant_declaration:
1037 specifier_qualifier_list struct_or_variant_declarator_list SEMICOLON
1038 | specifier_qualifier_list TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
1039 | TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
1040 | specifier_qualifier_list TYPEDEF type_declarator_list SEMICOLON
1041 | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON specifier_qualifier_list abstract_type_declarator_list SEMICOLON
1042 | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON type_declarator_list SEMICOLON
1045 specifier_qualifier_list:
1048 | specifier_qualifier_list CONST
1049 | specifier_qualifier_list type_specifier
1052 struct_or_variant_declarator_list:
1053 struct_or_variant_declarator
1054 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
1057 struct_or_variant_declarator:
1059 | COLON unary_expression
1060 | declarator COLON unary_expression
1065 | enumerator_list COMMA enumerator
1072 | STRING_LITERAL_START DQUOTE
1073 | STRING_LITERAL_START s_char_sequence DQUOTE
1074 | IDENTIFIER EQUAL unary_expression_or_range
1075 | ID_TYPE EQUAL unary_expression_or_range
1076 | keywords EQUAL unary_expression_or_range
1077 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
1078 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
1081 abstract_declarator_list:
1083 | abstract_declarator_list COMMA abstract_declarator
1086 abstract_declarator:
1087 direct_abstract_declarator
1088 | pointer direct_abstract_declarator
1091 direct_abstract_declarator:
1094 | LPAREN abstract_declarator RPAREN
1095 | direct_abstract_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1096 | direct_abstract_declarator LSBRAC RSBRAC
1101 | pointer direct_declarator
1106 | LPAREN declarator RPAREN
1107 | direct_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1111 direct_type_declarator
1112 | pointer direct_type_declarator
1115 direct_type_declarator:
1117 { add_type(scanner, $1->s); }
1118 | LPAREN type_declarator RPAREN
1119 | direct_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1122 abstract_type_declarator:
1123 direct_abstract_type_declarator
1124 | pointer direct_abstract_type_declarator
1127 direct_abstract_type_declarator:
1130 { add_type(scanner, $1->s); }
1131 | LPAREN abstract_type_declarator RPAREN
1132 | direct_abstract_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1133 | direct_abstract_type_declarator LSBRAC RSBRAC
1139 | STAR type_qualifier_list pointer
1142 type_qualifier_list:
1144 | type_qualifier_list CONST
1147 /* 2.3: CTF-specific declarations */
1149 ctf_assignment_expression_list:
1150 ctf_assignment_expression SEMICOLON
1151 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
1154 ctf_assignment_expression:
1155 unary_expression EQUAL unary_expression
1157 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
1161 | unary_expression TYPEASSIGN type_specifier
1162 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
1163 | TYPEDEF declaration_specifiers type_declarator_list
1164 | declaration_specifiers TYPEDEF type_declarator_list
1165 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list
1166 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list