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.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <babeltrace/list.h>
37 #include <babeltrace/babeltrace-internal.h>
38 #include "ctf-scanner.h"
39 #include "ctf-parser.h"
45 /* Join two lists, put "add" at the end of "head". */
47 _bt_list_splice_tail (struct bt_list_head *add, struct bt_list_head *head)
49 /* Do nothing if the list which gets added is empty. */
50 if (add != add->next) {
51 add->next->prev = head->prev;
52 add->prev->next = head;
53 head->prev->next = add->next;
54 head->prev = add->prev;
59 int yyparse(struct ctf_scanner *scanner);
61 int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
63 int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
65 int yylex_destroy(yyscan_t yyscanner);
67 void yyrestart(FILE * in_str, yyscan_t scanner);
70 struct bt_list_head gc;
75 static const char *node_type_to_str[] = {
76 [ NODE_UNKNOWN ] = "NODE_UNKNOWN",
77 [ NODE_ROOT ] = "NODE_ROOT",
78 [ NODE_EVENT ] = "NODE_EVENT",
79 [ NODE_ENV ] = "NODE_ENV",
80 [ NODE_STREAM ] = "NODE_STREAM",
81 [ NODE_TRACE ] = "NODE_TRACE",
82 [ NODE_CLOCK ] = "NODE_CLOCK",
83 [ NODE_CALLSITE ] = "NODE_CALLSITE",
84 [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
85 [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
86 [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
87 [ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
88 [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
89 [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
90 [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
91 [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
92 [ NODE_POINTER ] = "NODE_POINTER",
93 [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
94 [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
95 [ NODE_INTEGER ] = "NODE_INTEGER",
96 [ NODE_STRING ] = "NODE_STRING",
97 [ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
98 [ NODE_ENUM ] = "NODE_ENUM",
99 [ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
100 [ NODE_VARIANT ] = "NODE_VARIANT",
101 [ NODE_STRUCT ] = "NODE_STRUCT",
105 const char *node_type(struct ctf_node *node)
107 if (node->type < NR_NODE_TYPES)
108 return node_type_to_str[node->type];
113 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
116 struct gc_string *gstr;
119 /* TODO: could be faster with find first bit or glib Gstring */
120 /* sizeof long to account for malloc header (int or long ?) */
121 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
124 gstr = malloc(alloclen);
125 bt_list_add(&gstr->gc, &scanner->allocated_strings);
126 gstr->alloclen = alloclen;
131 * note: never use gc_string_append on a string that has external references.
132 * gsrc will be garbage collected immediately, and gstr might be.
133 * Should only be used to append characters to a string literal or constant.
136 struct gc_string *gc_string_append(struct ctf_scanner *scanner,
137 struct gc_string *gstr,
138 struct gc_string *gsrc)
140 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
143 /* TODO: could be faster with find first bit or glib Gstring */
144 /* sizeof long to account for malloc header (int or long ?) */
145 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
148 if (alloclen > gstr->alloclen) {
149 struct gc_string *newgstr;
151 newgstr = gc_string_alloc(scanner, newlen);
152 strcpy(newgstr->s, gstr->s);
153 strcat(newgstr->s, gsrc->s);
154 bt_list_del(&gstr->gc);
158 strcat(gstr->s, gsrc->s);
160 bt_list_del(&gsrc->gc);
165 void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
167 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
168 strcpy(lvalp->gs->s, src);
171 static void init_scope(struct ctf_scanner_scope *scope,
172 struct ctf_scanner_scope *parent)
174 scope->parent = parent;
175 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
179 static void finalize_scope(struct ctf_scanner_scope *scope)
181 g_hash_table_destroy(scope->types);
184 static void push_scope(struct ctf_scanner *scanner)
186 struct ctf_scanner_scope *ns;
188 printf_debug("push scope\n");
189 ns = malloc(sizeof(struct ctf_scanner_scope));
190 init_scope(ns, scanner->cs);
194 static void pop_scope(struct ctf_scanner *scanner)
196 struct ctf_scanner_scope *os;
198 printf_debug("pop scope\n");
200 scanner->cs = os->parent;
205 static int lookup_type(struct ctf_scanner_scope *s, const char *id)
209 ret = (int) (long) g_hash_table_lookup(s->types, id);
210 printf_debug("lookup %p %s %d\n", s, id, ret);
215 int is_type(struct ctf_scanner *scanner, const char *id)
217 struct ctf_scanner_scope *it;
220 for (it = scanner->cs; it != NULL; it = it->parent) {
221 if (lookup_type(it, id)) {
226 printf_debug("is type %s %d\n", id, ret);
230 static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
232 printf_debug("add type %s\n", id->s);
233 if (lookup_type(scanner->cs, id->s))
235 g_hash_table_insert(scanner->cs->types, id->s, id->s);
238 static struct ctf_node *make_node(struct ctf_scanner *scanner,
241 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
242 struct ctf_node *node;
244 node = malloc(sizeof(*node));
247 memset(node, 0, sizeof(*node));
249 BT_INIT_LIST_HEAD(&node->tmp_head);
250 bt_list_add(&node->gc, &ast->allocated_nodes);
251 bt_list_add(&node->siblings, &node->tmp_head);
255 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
259 BT_INIT_LIST_HEAD(&node->u.event.declaration_list);
262 BT_INIT_LIST_HEAD(&node->u.stream.declaration_list);
265 BT_INIT_LIST_HEAD(&node->u.env.declaration_list);
268 BT_INIT_LIST_HEAD(&node->u.trace.declaration_list);
271 BT_INIT_LIST_HEAD(&node->u.clock.declaration_list);
274 BT_INIT_LIST_HEAD(&node->u.callsite.declaration_list);
277 case NODE_CTF_EXPRESSION:
278 BT_INIT_LIST_HEAD(&node->u.ctf_expression.left);
279 BT_INIT_LIST_HEAD(&node->u.ctf_expression.right);
281 case NODE_UNARY_EXPRESSION:
285 BT_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
287 case NODE_TYPEALIAS_TARGET:
288 BT_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
290 case NODE_TYPEALIAS_ALIAS:
291 BT_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
296 case NODE_TYPE_SPECIFIER:
298 case NODE_TYPE_SPECIFIER_LIST:
299 BT_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
303 case NODE_TYPE_DECLARATOR:
304 BT_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
307 case NODE_FLOATING_POINT:
308 BT_INIT_LIST_HEAD(&node->u.floating_point.expressions);
311 BT_INIT_LIST_HEAD(&node->u.integer.expressions);
314 BT_INIT_LIST_HEAD(&node->u.string.expressions);
316 case NODE_ENUMERATOR:
317 BT_INIT_LIST_HEAD(&node->u.enumerator.values);
320 BT_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
322 case NODE_STRUCT_OR_VARIANT_DECLARATION:
323 BT_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
326 BT_INIT_LIST_HEAD(&node->u.variant.declaration_list);
329 BT_INIT_LIST_HEAD(&node->u._struct.declaration_list);
330 BT_INIT_LIST_HEAD(&node->u._struct.min_align);
335 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
343 static int reparent_ctf_expression(struct ctf_node *node,
344 struct ctf_node *parent)
346 switch (parent->type) {
348 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
351 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
354 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
357 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
360 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
363 _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
365 case NODE_FLOATING_POINT:
366 _bt_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
369 _bt_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
372 _bt_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
376 case NODE_CTF_EXPRESSION:
378 case NODE_TYPEALIAS_TARGET:
379 case NODE_TYPEALIAS_ALIAS:
381 case NODE_TYPE_SPECIFIER:
382 case NODE_TYPE_SPECIFIER_LIST:
384 case NODE_TYPE_DECLARATOR:
385 case NODE_ENUMERATOR:
387 case NODE_STRUCT_OR_VARIANT_DECLARATION:
390 case NODE_UNARY_EXPRESSION:
395 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
402 static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
404 switch (parent->type) {
406 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
409 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
412 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
415 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
418 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
421 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
424 _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
427 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
430 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
433 case NODE_FLOATING_POINT:
436 case NODE_CTF_EXPRESSION:
438 case NODE_TYPEALIAS_TARGET:
439 case NODE_TYPEALIAS_ALIAS:
441 case NODE_TYPE_SPECIFIER:
442 case NODE_TYPE_SPECIFIER_LIST:
444 case NODE_TYPE_DECLARATOR:
445 case NODE_ENUMERATOR:
447 case NODE_STRUCT_OR_VARIANT_DECLARATION:
448 case NODE_UNARY_EXPRESSION:
453 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
460 static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
462 switch (parent->type) {
464 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
467 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
470 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
473 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
476 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
479 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
482 _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
485 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
488 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
491 case NODE_FLOATING_POINT:
494 case NODE_CTF_EXPRESSION:
496 case NODE_TYPEALIAS_TARGET:
497 case NODE_TYPEALIAS_ALIAS:
499 case NODE_TYPE_SPECIFIER:
500 case NODE_TYPE_SPECIFIER_LIST:
502 case NODE_TYPE_DECLARATOR:
503 case NODE_ENUMERATOR:
505 case NODE_STRUCT_OR_VARIANT_DECLARATION:
506 case NODE_UNARY_EXPRESSION:
511 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
518 static int reparent_type_specifier(struct ctf_node *node,
519 struct ctf_node *parent)
521 switch (parent->type) {
522 case NODE_TYPE_SPECIFIER_LIST:
523 _bt_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
526 case NODE_TYPE_SPECIFIER:
536 case NODE_TYPEALIAS_TARGET:
537 case NODE_TYPEALIAS_ALIAS:
538 case NODE_TYPE_DECLARATOR:
540 case NODE_STRUCT_OR_VARIANT_DECLARATION:
542 case NODE_FLOATING_POINT:
545 case NODE_CTF_EXPRESSION:
547 case NODE_ENUMERATOR:
548 case NODE_UNARY_EXPRESSION:
553 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
560 static int reparent_type_specifier_list(struct ctf_node *node,
561 struct ctf_node *parent)
563 switch (parent->type) {
565 bt_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
568 bt_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
571 bt_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
574 bt_list_add_tail(&node->siblings, &parent->u.env.declaration_list);
577 bt_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
580 bt_list_add_tail(&node->siblings, &parent->u.clock.declaration_list);
583 bt_list_add_tail(&node->siblings, &parent->u.callsite.declaration_list);
586 bt_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
589 bt_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
592 parent->u._typedef.type_specifier_list = node;
594 case NODE_TYPEALIAS_TARGET:
595 parent->u.typealias_target.type_specifier_list = node;
597 case NODE_TYPEALIAS_ALIAS:
598 parent->u.typealias_alias.type_specifier_list = node;
601 parent->u._enum.container_type = node;
603 case NODE_STRUCT_OR_VARIANT_DECLARATION:
604 parent->u.struct_or_variant_declaration.type_specifier_list = node;
606 case NODE_TYPE_DECLARATOR:
607 case NODE_TYPE_SPECIFIER:
609 case NODE_FLOATING_POINT:
612 case NODE_CTF_EXPRESSION:
614 case NODE_ENUMERATOR:
615 case NODE_UNARY_EXPRESSION:
620 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
627 static int reparent_type_declarator(struct ctf_node *node,
628 struct ctf_node *parent)
630 switch (parent->type) {
631 case NODE_TYPE_DECLARATOR:
632 parent->u.type_declarator.type = TYPEDEC_NESTED;
633 parent->u.type_declarator.u.nested.type_declarator = node;
635 case NODE_STRUCT_OR_VARIANT_DECLARATION:
636 _bt_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
639 _bt_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
641 case NODE_TYPEALIAS_TARGET:
642 _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
644 case NODE_TYPEALIAS_ALIAS:
645 _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_declarators);
659 case NODE_FLOATING_POINT:
662 case NODE_CTF_EXPRESSION:
663 case NODE_TYPE_SPECIFIER:
664 case NODE_TYPE_SPECIFIER_LIST:
666 case NODE_ENUMERATOR:
667 case NODE_UNARY_EXPRESSION:
672 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
682 * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
683 * create the link declared by the input, -ENOENT if node or parent is NULL,
684 * -EINVAL if there is an internal structure problem.
686 static int set_parent_node(struct ctf_node *node,
687 struct ctf_node *parent)
689 if (!node || !parent)
692 /* Note: Linking to parent will be done only by an external visitor */
694 switch (node->type) {
696 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
700 if (parent->type == NODE_ROOT) {
701 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.event);
707 if (parent->type == NODE_ROOT) {
708 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
714 if (parent->type == NODE_ROOT) {
715 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.env);
721 if (parent->type == NODE_ROOT) {
722 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
728 if (parent->type == NODE_ROOT) {
729 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.clock);
735 if (parent->type == NODE_ROOT) {
736 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.callsite);
742 case NODE_CTF_EXPRESSION:
743 return reparent_ctf_expression(node, parent);
744 case NODE_UNARY_EXPRESSION:
745 if (parent->type == NODE_TYPE_DECLARATOR)
746 parent->u.type_declarator.bitfield_len = node;
752 return reparent_typedef(node, parent);
753 case NODE_TYPEALIAS_TARGET:
754 if (parent->type == NODE_TYPEALIAS)
755 parent->u.typealias.target = node;
758 case NODE_TYPEALIAS_ALIAS:
759 if (parent->type == NODE_TYPEALIAS)
760 parent->u.typealias.alias = node;
764 return reparent_typealias(node, parent);
767 if (parent->type == NODE_TYPE_DECLARATOR) {
768 _bt_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
772 case NODE_TYPE_DECLARATOR:
773 return reparent_type_declarator(node, parent);
775 case NODE_TYPE_SPECIFIER_LIST:
776 return reparent_type_specifier_list(node, parent);
778 case NODE_TYPE_SPECIFIER:
779 return reparent_type_specifier(node, parent);
781 case NODE_FLOATING_POINT:
787 return -EINVAL; /* Dealt with internally within grammar */
789 case NODE_ENUMERATOR:
790 if (parent->type == NODE_ENUM) {
791 _bt_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
796 case NODE_STRUCT_OR_VARIANT_DECLARATION:
797 switch (parent->type) {
799 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
802 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
811 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
819 void yyerror(struct ctf_scanner *scanner, const char *str)
821 fprintf(stderr, "error %s\n", str);
830 #define reparent_error(scanner, str) \
832 yyerror(scanner, YY_("reparent_error: " str "\n")); \
836 static void free_strings(struct bt_list_head *list)
838 struct gc_string *gstr, *tmp;
840 bt_list_for_each_entry_safe(gstr, tmp, list, gc)
844 static struct ctf_ast *ctf_ast_alloc(void)
848 ast = malloc(sizeof(*ast));
851 memset(ast, 0, sizeof(*ast));
852 BT_INIT_LIST_HEAD(&ast->allocated_nodes);
853 ast->root.type = NODE_ROOT;
854 BT_INIT_LIST_HEAD(&ast->root.tmp_head);
855 BT_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
856 BT_INIT_LIST_HEAD(&ast->root.u.root.trace);
857 BT_INIT_LIST_HEAD(&ast->root.u.root.env);
858 BT_INIT_LIST_HEAD(&ast->root.u.root.stream);
859 BT_INIT_LIST_HEAD(&ast->root.u.root.event);
860 BT_INIT_LIST_HEAD(&ast->root.u.root.clock);
861 BT_INIT_LIST_HEAD(&ast->root.u.root.callsite);
865 static void ctf_ast_free(struct ctf_ast *ast)
867 struct ctf_node *node, *tmp;
869 bt_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
874 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
876 return yyparse(scanner);
879 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
881 struct ctf_scanner *scanner;
884 yydebug = babeltrace_debug;
886 scanner = malloc(sizeof(*scanner));
889 memset(scanner, 0, sizeof(*scanner));
891 ret = yylex_init_extra(scanner, &scanner->scanner);
893 fprintf(stderr, "yylex_init error\n");
894 goto cleanup_scanner;
896 /* Start processing new stream */
897 yyrestart(input, scanner->scanner);
899 scanner->ast = ctf_ast_alloc();
902 init_scope(&scanner->root_scope, NULL);
903 scanner->cs = &scanner->root_scope;
904 BT_INIT_LIST_HEAD(&scanner->allocated_strings);
907 fprintf(stdout, "Scanner input is a%s.\n",
908 isatty(fileno(input)) ? "n interactive tty" :
909 " noninteractive file");
914 ret = yylex_destroy(scanner->scanner);
916 fprintf(stderr, "yylex_destroy error\n");
922 void ctf_scanner_free(struct ctf_scanner *scanner)
926 finalize_scope(&scanner->root_scope);
927 free_strings(&scanner->allocated_strings);
928 ctf_ast_free(scanner->ast);
929 ret = yylex_destroy(scanner->scanner);
931 fprintf(stderr, "yylex_destroy error\n");
939 %parse-param {struct ctf_scanner *scanner}
940 %lex-param {struct ctf_scanner *scanner}
942 * Expect two shift-reduce conflicts. Caused by enum name-opt : type {}
943 * vs struct { int :value; } (unnamed bit-field). The default is to
944 * shift, so whenever we encounter an enumeration, we are doing the
945 * proper thing (shift). It is illegal to declare an enumeration
946 * "bit-field", so it is OK if this situation ends up in a parsing
951 %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 ENV EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE CALLSITE CLOCK TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT TOK_ALIGN
952 %token <gs> IDENTIFIER ID_TYPE
958 struct gc_string *gs;
963 %type <gs> s_char s_char_sequence c_char c_char_sequence
965 %type <n> postfix_expression unary_expression unary_expression_or_range
967 %type <n> declaration
968 %type <n> event_declaration
969 %type <n> stream_declaration
970 %type <n> env_declaration
971 %type <n> trace_declaration
972 %type <n> clock_declaration
973 %type <n> callsite_declaration
974 %type <n> integer_declaration_specifiers
975 %type <n> declaration_specifiers
976 %type <n> alias_declaration_specifiers
978 %type <n> type_declarator_list
979 %type <n> integer_type_specifier
980 %type <n> type_specifier
981 %type <n> struct_type_specifier
982 %type <n> variant_type_specifier
983 %type <n> enum_type_specifier
984 %type <n> struct_or_variant_declaration_list
985 %type <n> struct_or_variant_declaration
986 %type <n> struct_or_variant_declarator_list
987 %type <n> struct_or_variant_declarator
988 %type <n> enumerator_list
990 %type <n> abstract_declarator_list
991 %type <n> abstract_declarator
992 %type <n> direct_abstract_declarator
993 %type <n> alias_abstract_declarator_list
994 %type <n> alias_abstract_declarator
995 %type <n> direct_alias_abstract_declarator
997 %type <n> direct_declarator
998 %type <n> type_declarator
999 %type <n> direct_type_declarator
1001 %type <n> ctf_assignment_expression_list
1002 %type <n> ctf_assignment_expression
1009 if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
1010 reparent_error(scanner, "error reparenting to root");
1014 if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
1015 reparent_error(scanner, "error reparenting to root");
1081 | c_char_sequence c_char
1082 { $$ = gc_string_append(scanner, $1, $2); }
1090 reparent_error(scanner, "escape sequences not supported yet");
1094 /* 1.6 String literals */
1099 | s_char_sequence s_char
1100 { $$ = gc_string_append(scanner, $1, $2); }
1108 reparent_error(scanner, "escape sequences not supported yet");
1112 /* 2: Phrase structure grammar */
1117 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1118 $$->u.unary_expression.type = UNARY_STRING;
1119 $$->u.unary_expression.u.string = yylval.gs->s;
1123 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1124 $$->u.unary_expression.type = UNARY_STRING;
1125 $$->u.unary_expression.u.string = yylval.gs->s;
1129 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1130 $$->u.unary_expression.type = UNARY_STRING;
1131 $$->u.unary_expression.u.string = yylval.gs->s;
1135 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1136 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1137 sscanf(yylval.gs->s, "%" PRIu64,
1138 &$$->u.unary_expression.u.unsigned_constant);
1142 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1143 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1144 sscanf(yylval.gs->s, "0%" PRIo64,
1145 &$$->u.unary_expression.u.unsigned_constant);
1147 | HEXADECIMAL_CONSTANT
1149 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1150 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1151 sscanf(yylval.gs->s, "0x%" PRIx64,
1152 &$$->u.unary_expression.u.unsigned_constant);
1154 | STRING_LITERAL_START DQUOTE
1156 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1157 $$->u.unary_expression.type = UNARY_STRING;
1158 $$->u.unary_expression.u.string = "";
1160 | STRING_LITERAL_START s_char_sequence DQUOTE
1162 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1163 $$->u.unary_expression.type = UNARY_STRING;
1164 $$->u.unary_expression.u.string = $2->s;
1166 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
1168 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1169 $$->u.unary_expression.type = UNARY_STRING;
1170 $$->u.unary_expression.u.string = $2->s;
1172 | LPAREN unary_expression RPAREN
1174 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1175 $$->u.unary_expression.type = UNARY_NESTED;
1176 $$->u.unary_expression.u.nested_exp = $2;
1178 | postfix_expression LSBRAC unary_expression RSBRAC
1180 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1181 $$->u.unary_expression.type = UNARY_SBRAC;
1182 $$->u.unary_expression.u.sbrac_exp = $3;
1183 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1184 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1186 | postfix_expression DOT IDENTIFIER
1188 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1189 $$->u.unary_expression.type = UNARY_STRING;
1190 $$->u.unary_expression.u.string = yylval.gs->s;
1191 $$->u.unary_expression.link = UNARY_DOTLINK;
1192 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1193 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1195 | postfix_expression DOT ID_TYPE
1197 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1198 $$->u.unary_expression.type = UNARY_STRING;
1199 $$->u.unary_expression.u.string = yylval.gs->s;
1200 $$->u.unary_expression.link = UNARY_DOTLINK;
1201 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1202 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1204 | postfix_expression RARROW IDENTIFIER
1206 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1207 $$->u.unary_expression.type = UNARY_STRING;
1208 $$->u.unary_expression.u.string = yylval.gs->s;
1209 $$->u.unary_expression.link = UNARY_ARROWLINK;
1210 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1211 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1213 | postfix_expression RARROW ID_TYPE
1215 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1216 $$->u.unary_expression.type = UNARY_STRING;
1217 $$->u.unary_expression.u.string = yylval.gs->s;
1218 $$->u.unary_expression.link = UNARY_ARROWLINK;
1219 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1220 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1227 | PLUS postfix_expression
1229 | MINUS postfix_expression
1232 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1233 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1234 reparent_error(scanner, "expecting numeric constant");
1236 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1237 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1238 $$->u.unary_expression.u.signed_constant =
1239 -($$->u.unary_expression.u.unsigned_constant);
1241 $$->u.unary_expression.u.signed_constant =
1242 -($$->u.unary_expression.u.signed_constant);
1247 unary_expression_or_range:
1248 unary_expression DOTDOTDOT unary_expression
1251 _bt_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1252 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
1258 /* 2.2: Declarations */
1261 declaration_specifiers SEMICOLON
1265 | stream_declaration
1273 | callsite_declaration
1275 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1277 struct ctf_node *list;
1279 $$ = make_node(scanner, NODE_TYPEDEF);
1280 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1281 $$->u._typedef.type_specifier_list = list;
1282 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1283 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1284 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
1286 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1288 struct ctf_node *list;
1290 $$ = make_node(scanner, NODE_TYPEDEF);
1291 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1292 $$->u._typedef.type_specifier_list = list;
1293 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1294 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1296 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
1298 struct ctf_node *list;
1300 $$ = make_node(scanner, NODE_TYPEDEF);
1301 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1302 $$->u._typedef.type_specifier_list = list;
1303 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1304 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1306 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
1308 struct ctf_node *list;
1310 $$ = make_node(scanner, NODE_TYPEALIAS);
1311 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1312 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1314 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1315 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1316 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1317 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1319 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1320 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1321 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1322 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1327 event_declaration_begin event_declaration_end
1329 $$ = make_node(scanner, NODE_EVENT);
1331 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
1333 $$ = make_node(scanner, NODE_EVENT);
1334 if (set_parent_node($2, $$))
1335 reparent_error(scanner, "event_declaration");
1339 event_declaration_begin:
1341 { push_scope(scanner); }
1344 event_declaration_end:
1346 { pop_scope(scanner); }
1351 stream_declaration_begin stream_declaration_end
1353 $$ = make_node(scanner, NODE_STREAM);
1355 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
1357 $$ = make_node(scanner, NODE_STREAM);
1358 if (set_parent_node($2, $$))
1359 reparent_error(scanner, "stream_declaration");
1363 stream_declaration_begin:
1365 { push_scope(scanner); }
1368 stream_declaration_end:
1370 { pop_scope(scanner); }
1374 env_declaration_begin env_declaration_end
1376 $$ = make_node(scanner, NODE_ENV);
1378 | env_declaration_begin ctf_assignment_expression_list env_declaration_end
1380 $$ = make_node(scanner, NODE_ENV);
1381 if (set_parent_node($2, $$))
1382 reparent_error(scanner, "env declaration");
1386 env_declaration_begin:
1388 { push_scope(scanner); }
1391 env_declaration_end:
1393 { pop_scope(scanner); }
1397 trace_declaration_begin trace_declaration_end
1399 $$ = make_node(scanner, NODE_TRACE);
1401 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
1403 $$ = make_node(scanner, NODE_TRACE);
1404 if (set_parent_node($2, $$))
1405 reparent_error(scanner, "trace_declaration");
1409 trace_declaration_begin:
1411 { push_scope(scanner); }
1414 trace_declaration_end:
1416 { pop_scope(scanner); }
1420 CLOCK clock_declaration_begin clock_declaration_end
1422 $$ = make_node(scanner, NODE_CLOCK);
1424 | CLOCK clock_declaration_begin ctf_assignment_expression_list clock_declaration_end
1426 $$ = make_node(scanner, NODE_CLOCK);
1427 if (set_parent_node($3, $$))
1428 reparent_error(scanner, "trace_declaration");
1432 clock_declaration_begin:
1434 { push_scope(scanner); }
1437 clock_declaration_end:
1439 { pop_scope(scanner); }
1442 callsite_declaration:
1443 CALLSITE callsite_declaration_begin callsite_declaration_end
1445 $$ = make_node(scanner, NODE_CALLSITE);
1447 | CALLSITE callsite_declaration_begin ctf_assignment_expression_list callsite_declaration_end
1449 $$ = make_node(scanner, NODE_CALLSITE);
1450 if (set_parent_node($3, $$))
1451 reparent_error(scanner, "trace_declaration");
1455 callsite_declaration_begin:
1457 { push_scope(scanner); }
1460 callsite_declaration_end:
1462 { pop_scope(scanner); }
1465 integer_declaration_specifiers:
1468 struct ctf_node *node;
1470 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1471 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1472 node->u.type_specifier.type = TYPESPEC_CONST;
1473 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1475 | integer_type_specifier
1477 struct ctf_node *node;
1479 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1481 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1483 | integer_declaration_specifiers CONST
1485 struct ctf_node *node;
1488 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1489 node->u.type_specifier.type = TYPESPEC_CONST;
1490 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1492 | integer_declaration_specifiers integer_type_specifier
1495 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1499 declaration_specifiers:
1502 struct ctf_node *node;
1504 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1505 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1506 node->u.type_specifier.type = TYPESPEC_CONST;
1507 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1511 struct ctf_node *node;
1513 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1515 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1517 | declaration_specifiers CONST
1519 struct ctf_node *node;
1522 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1523 node->u.type_specifier.type = TYPESPEC_CONST;
1524 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1526 | declaration_specifiers type_specifier
1529 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1533 type_declarator_list:
1536 | type_declarator_list COMMA type_declarator
1539 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1543 integer_type_specifier:
1546 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1547 $$->u.type_specifier.type = TYPESPEC_CHAR;
1551 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1552 $$->u.type_specifier.type = TYPESPEC_SHORT;
1556 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1557 $$->u.type_specifier.type = TYPESPEC_INT;
1561 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1562 $$->u.type_specifier.type = TYPESPEC_LONG;
1566 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1567 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1571 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1572 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1576 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1577 $$->u.type_specifier.type = TYPESPEC_BOOL;
1581 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1582 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1583 $$->u.type_specifier.id_type = yylval.gs->s;
1585 | INTEGER LBRAC RBRAC
1587 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1588 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1589 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1591 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1593 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1594 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1595 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1596 if (set_parent_node($3, $$->u.type_specifier.node))
1597 reparent_error(scanner, "integer reparent error");
1604 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1605 $$->u.type_specifier.type = TYPESPEC_VOID;
1609 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1610 $$->u.type_specifier.type = TYPESPEC_CHAR;
1614 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1615 $$->u.type_specifier.type = TYPESPEC_SHORT;
1619 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1620 $$->u.type_specifier.type = TYPESPEC_INT;
1624 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1625 $$->u.type_specifier.type = TYPESPEC_LONG;
1629 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1630 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1634 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1635 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1639 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1640 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1644 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1645 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1649 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1650 $$->u.type_specifier.type = TYPESPEC_BOOL;
1654 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1655 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1659 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1660 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1664 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1665 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1666 $$->u.type_specifier.id_type = yylval.gs->s;
1668 | FLOATING_POINT LBRAC RBRAC
1670 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1671 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1672 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1674 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
1676 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1677 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1678 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1679 if (set_parent_node($3, $$->u.type_specifier.node))
1680 reparent_error(scanner, "floating point reparent error");
1682 | INTEGER LBRAC RBRAC
1684 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1685 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1686 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1688 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1690 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1691 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1692 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1693 if (set_parent_node($3, $$->u.type_specifier.node))
1694 reparent_error(scanner, "integer reparent error");
1698 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1699 $$->u.type_specifier.type = TYPESPEC_STRING;
1700 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1702 | STRING LBRAC RBRAC
1704 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1705 $$->u.type_specifier.type = TYPESPEC_STRING;
1706 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1708 | STRING LBRAC ctf_assignment_expression_list RBRAC
1710 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1711 $$->u.type_specifier.type = TYPESPEC_STRING;
1712 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1713 if (set_parent_node($3, $$->u.type_specifier.node))
1714 reparent_error(scanner, "string reparent error");
1716 | ENUM enum_type_specifier
1718 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1719 $$->u.type_specifier.type = TYPESPEC_ENUM;
1720 $$->u.type_specifier.node = $2;
1722 | VARIANT variant_type_specifier
1724 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1725 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1726 $$->u.type_specifier.node = $2;
1728 | STRUCT struct_type_specifier
1730 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1731 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1732 $$->u.type_specifier.node = $2;
1736 struct_type_specifier:
1737 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1739 $$ = make_node(scanner, NODE_STRUCT);
1740 $$->u._struct.has_body = 1;
1741 if ($2 && set_parent_node($2, $$))
1742 reparent_error(scanner, "struct reparent error");
1744 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1746 $$ = make_node(scanner, NODE_STRUCT);
1747 $$->u._struct.has_body = 1;
1748 $$->u._struct.name = $1->s;
1749 if ($3 && set_parent_node($3, $$))
1750 reparent_error(scanner, "struct reparent error");
1752 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1754 $$ = make_node(scanner, NODE_STRUCT);
1755 $$->u._struct.has_body = 1;
1756 $$->u._struct.name = $1->s;
1757 if ($3 && set_parent_node($3, $$))
1758 reparent_error(scanner, "struct reparent error");
1762 $$ = make_node(scanner, NODE_STRUCT);
1763 $$->u._struct.has_body = 0;
1764 $$->u._struct.name = $1->s;
1768 $$ = make_node(scanner, NODE_STRUCT);
1769 $$->u._struct.has_body = 0;
1770 $$->u._struct.name = $1->s;
1772 | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1774 $$ = make_node(scanner, NODE_STRUCT);
1775 $$->u._struct.has_body = 1;
1776 bt_list_add_tail(&($6)->siblings, &$$->u._struct.min_align);
1777 if ($2 && set_parent_node($2, $$))
1778 reparent_error(scanner, "struct reparent error");
1780 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1782 $$ = make_node(scanner, NODE_STRUCT);
1783 $$->u._struct.has_body = 1;
1784 $$->u._struct.name = $1->s;
1785 bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
1786 if ($3 && set_parent_node($3, $$))
1787 reparent_error(scanner, "struct reparent error");
1789 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1791 $$ = make_node(scanner, NODE_STRUCT);
1792 $$->u._struct.has_body = 1;
1793 $$->u._struct.name = $1->s;
1794 bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
1795 if ($3 && set_parent_node($3, $$))
1796 reparent_error(scanner, "struct reparent error");
1800 struct_declaration_begin:
1802 { push_scope(scanner); }
1805 struct_declaration_end:
1807 { pop_scope(scanner); }
1810 variant_type_specifier:
1811 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1813 $$ = make_node(scanner, NODE_VARIANT);
1814 $$->u.variant.has_body = 1;
1815 if ($2 && set_parent_node($2, $$))
1816 reparent_error(scanner, "variant reparent error");
1818 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1820 $$ = make_node(scanner, NODE_VARIANT);
1821 $$->u.variant.has_body = 1;
1822 $$->u.variant.choice = $2->s;
1823 if ($5 && set_parent_node($5, $$))
1824 reparent_error(scanner, "variant reparent error");
1826 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1828 $$ = make_node(scanner, NODE_VARIANT);
1829 $$->u.variant.has_body = 1;
1830 $$->u.variant.choice = $2->s;
1831 if ($5 && set_parent_node($5, $$))
1832 reparent_error(scanner, "variant reparent error");
1834 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1836 $$ = make_node(scanner, NODE_VARIANT);
1837 $$->u.variant.has_body = 1;
1838 $$->u.variant.name = $1->s;
1839 if ($3 && set_parent_node($3, $$))
1840 reparent_error(scanner, "variant reparent error");
1842 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1844 $$ = make_node(scanner, NODE_VARIANT);
1845 $$->u.variant.has_body = 1;
1846 $$->u.variant.name = $1->s;
1847 $$->u.variant.choice = $3->s;
1848 if ($6 && set_parent_node($6, $$))
1849 reparent_error(scanner, "variant reparent error");
1851 | IDENTIFIER LT IDENTIFIER GT
1853 $$ = make_node(scanner, NODE_VARIANT);
1854 $$->u.variant.has_body = 0;
1855 $$->u.variant.name = $1->s;
1856 $$->u.variant.choice = $3->s;
1858 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1860 $$ = make_node(scanner, NODE_VARIANT);
1861 $$->u.variant.has_body = 1;
1862 $$->u.variant.name = $1->s;
1863 $$->u.variant.choice = $3->s;
1864 if ($6 && set_parent_node($6, $$))
1865 reparent_error(scanner, "variant reparent error");
1867 | IDENTIFIER LT ID_TYPE GT
1869 $$ = make_node(scanner, NODE_VARIANT);
1870 $$->u.variant.has_body = 0;
1871 $$->u.variant.name = $1->s;
1872 $$->u.variant.choice = $3->s;
1874 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1876 $$ = make_node(scanner, NODE_VARIANT);
1877 $$->u.variant.has_body = 1;
1878 $$->u.variant.name = $1->s;
1879 if ($3 && set_parent_node($3, $$))
1880 reparent_error(scanner, "variant reparent error");
1882 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1884 $$ = make_node(scanner, NODE_VARIANT);
1885 $$->u.variant.has_body = 1;
1886 $$->u.variant.name = $1->s;
1887 $$->u.variant.choice = $3->s;
1888 if ($6 && set_parent_node($6, $$))
1889 reparent_error(scanner, "variant reparent error");
1891 | ID_TYPE LT IDENTIFIER GT
1893 $$ = make_node(scanner, NODE_VARIANT);
1894 $$->u.variant.has_body = 0;
1895 $$->u.variant.name = $1->s;
1896 $$->u.variant.choice = $3->s;
1898 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1900 $$ = make_node(scanner, NODE_VARIANT);
1901 $$->u.variant.has_body = 1;
1902 $$->u.variant.name = $1->s;
1903 $$->u.variant.choice = $3->s;
1904 if ($6 && set_parent_node($6, $$))
1905 reparent_error(scanner, "variant reparent error");
1907 | ID_TYPE LT ID_TYPE GT
1909 $$ = make_node(scanner, NODE_VARIANT);
1910 $$->u.variant.has_body = 0;
1911 $$->u.variant.name = $1->s;
1912 $$->u.variant.choice = $3->s;
1916 variant_declaration_begin:
1918 { push_scope(scanner); }
1921 variant_declaration_end:
1923 { pop_scope(scanner); }
1926 enum_type_specifier:
1927 LBRAC enumerator_list RBRAC
1929 $$ = make_node(scanner, NODE_ENUM);
1930 $$->u._enum.has_body = 1;
1931 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1933 | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1935 $$ = make_node(scanner, NODE_ENUM);
1936 $$->u._enum.has_body = 1;
1937 ($$)->u._enum.container_type = $2;
1938 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
1940 | IDENTIFIER LBRAC enumerator_list RBRAC
1942 $$ = make_node(scanner, NODE_ENUM);
1943 $$->u._enum.has_body = 1;
1944 $$->u._enum.enum_id = $1->s;
1945 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1947 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1949 $$ = make_node(scanner, NODE_ENUM);
1950 $$->u._enum.has_body = 1;
1951 $$->u._enum.enum_id = $1->s;
1952 ($$)->u._enum.container_type = $3;
1953 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1955 | ID_TYPE LBRAC enumerator_list RBRAC
1957 $$ = make_node(scanner, NODE_ENUM);
1958 $$->u._enum.has_body = 1;
1959 $$->u._enum.enum_id = $1->s;
1960 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1962 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1964 $$ = make_node(scanner, NODE_ENUM);
1965 $$->u._enum.has_body = 1;
1966 $$->u._enum.enum_id = $1->s;
1967 ($$)->u._enum.container_type = $3;
1968 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1970 | LBRAC enumerator_list COMMA RBRAC
1972 $$ = make_node(scanner, NODE_ENUM);
1973 $$->u._enum.has_body = 1;
1974 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1976 | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1978 $$ = make_node(scanner, NODE_ENUM);
1979 $$->u._enum.has_body = 1;
1980 ($$)->u._enum.container_type = $2;
1981 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
1983 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
1985 $$ = make_node(scanner, NODE_ENUM);
1986 $$->u._enum.has_body = 1;
1987 $$->u._enum.enum_id = $1->s;
1988 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1990 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1992 $$ = make_node(scanner, NODE_ENUM);
1993 $$->u._enum.has_body = 1;
1994 $$->u._enum.enum_id = $1->s;
1995 ($$)->u._enum.container_type = $3;
1996 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
2000 $$ = make_node(scanner, NODE_ENUM);
2001 $$->u._enum.has_body = 0;
2002 $$->u._enum.enum_id = $1->s;
2004 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
2006 $$ = make_node(scanner, NODE_ENUM);
2007 $$->u._enum.has_body = 1;
2008 $$->u._enum.enum_id = $1->s;
2009 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
2011 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
2013 $$ = make_node(scanner, NODE_ENUM);
2014 $$->u._enum.has_body = 1;
2015 $$->u._enum.enum_id = $1->s;
2016 ($$)->u._enum.container_type = $3;
2017 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
2021 $$ = make_node(scanner, NODE_ENUM);
2022 $$->u._enum.has_body = 0;
2023 $$->u._enum.enum_id = $1->s;
2027 struct_or_variant_declaration_list:
2030 | struct_or_variant_declaration_list struct_or_variant_declaration
2034 bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
2037 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
2042 struct_or_variant_declaration:
2043 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
2045 struct ctf_node *list;
2047 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2048 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2049 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
2050 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2051 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
2053 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
2055 struct ctf_node *list;
2057 $$ = make_node(scanner, NODE_TYPEDEF);
2058 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2059 $$->u._typedef.type_specifier_list = list;
2060 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2061 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2062 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
2064 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
2066 struct ctf_node *list;
2068 $$ = make_node(scanner, NODE_TYPEDEF);
2069 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2070 $$->u._typedef.type_specifier_list = list;
2071 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2072 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2074 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
2076 struct ctf_node *list;
2078 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2079 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2080 $$ = make_node(scanner, NODE_TYPEDEF);
2081 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2082 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2084 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
2086 struct ctf_node *list;
2088 $$ = make_node(scanner, NODE_TYPEALIAS);
2089 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2090 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2092 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2093 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2094 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2095 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2097 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2098 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2099 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2100 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
2104 alias_declaration_specifiers:
2107 struct ctf_node *node;
2109 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2110 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2111 node->u.type_specifier.type = TYPESPEC_CONST;
2112 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2116 struct ctf_node *node;
2118 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2120 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2124 struct ctf_node *node;
2126 add_type(scanner, $1);
2127 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2128 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2129 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
2130 node->u.type_specifier.id_type = yylval.gs->s;
2131 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2133 | alias_declaration_specifiers CONST
2135 struct ctf_node *node;
2138 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2139 node->u.type_specifier.type = TYPESPEC_CONST;
2140 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2142 | alias_declaration_specifiers type_specifier
2145 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
2147 | alias_declaration_specifiers IDENTIFIER
2149 struct ctf_node *node;
2151 add_type(scanner, $2);
2153 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2154 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
2155 node->u.type_specifier.id_type = yylval.gs->s;
2156 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2160 struct_or_variant_declarator_list:
2161 struct_or_variant_declarator
2163 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
2166 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2170 struct_or_variant_declarator:
2173 | COLON unary_expression
2175 | declarator COLON unary_expression
2178 if (set_parent_node($3, $1))
2179 reparent_error(scanner, "struct_or_variant_declarator");
2186 | enumerator_list COMMA enumerator
2189 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2196 $$ = make_node(scanner, NODE_ENUMERATOR);
2197 $$->u.enumerator.id = $1->s;
2201 $$ = make_node(scanner, NODE_ENUMERATOR);
2202 $$->u.enumerator.id = $1->s;
2206 $$ = make_node(scanner, NODE_ENUMERATOR);
2207 $$->u.enumerator.id = $1->s;
2209 | STRING_LITERAL_START DQUOTE
2211 $$ = make_node(scanner, NODE_ENUMERATOR);
2212 $$->u.enumerator.id = "";
2214 | STRING_LITERAL_START s_char_sequence DQUOTE
2216 $$ = make_node(scanner, NODE_ENUMERATOR);
2217 $$->u.enumerator.id = $2->s;
2219 | IDENTIFIER EQUAL unary_expression_or_range
2221 $$ = make_node(scanner, NODE_ENUMERATOR);
2222 $$->u.enumerator.id = $1->s;
2223 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2225 | ID_TYPE EQUAL unary_expression_or_range
2227 $$ = make_node(scanner, NODE_ENUMERATOR);
2228 $$->u.enumerator.id = $1->s;
2229 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2231 | keywords EQUAL unary_expression_or_range
2233 $$ = make_node(scanner, NODE_ENUMERATOR);
2234 $$->u.enumerator.id = $1->s;
2235 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2237 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
2239 $$ = make_node(scanner, NODE_ENUMERATOR);
2240 $$->u.enumerator.id = "";
2241 bt_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
2243 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
2245 $$ = make_node(scanner, NODE_ENUMERATOR);
2246 $$->u.enumerator.id = $2->s;
2247 bt_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
2251 abstract_declarator_list:
2254 | abstract_declarator_list COMMA abstract_declarator
2257 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2261 abstract_declarator:
2262 direct_abstract_declarator
2264 | pointer direct_abstract_declarator
2267 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2271 direct_abstract_declarator:
2274 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2275 $$->u.type_declarator.type = TYPEDEC_ID;
2280 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2281 $$->u.type_declarator.type = TYPEDEC_ID;
2282 $$->u.type_declarator.u.id = $1->s;
2284 | LPAREN abstract_declarator RPAREN
2286 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2287 $$->u.type_declarator.type = TYPEDEC_NESTED;
2288 $$->u.type_declarator.u.nested.type_declarator = $2;
2290 | direct_abstract_declarator LSBRAC unary_expression RSBRAC
2292 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2293 $$->u.type_declarator.type = TYPEDEC_NESTED;
2294 $$->u.type_declarator.u.nested.type_declarator = $1;
2295 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2296 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2298 | direct_abstract_declarator LSBRAC RSBRAC
2300 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2301 $$->u.type_declarator.type = TYPEDEC_NESTED;
2302 $$->u.type_declarator.u.nested.type_declarator = $1;
2303 $$->u.type_declarator.u.nested.abstract_array = 1;
2307 alias_abstract_declarator_list:
2308 alias_abstract_declarator
2310 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2313 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2317 alias_abstract_declarator:
2318 direct_alias_abstract_declarator
2320 | pointer direct_alias_abstract_declarator
2323 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2327 direct_alias_abstract_declarator:
2330 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2331 $$->u.type_declarator.type = TYPEDEC_ID;
2334 | LPAREN alias_abstract_declarator RPAREN
2336 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2337 $$->u.type_declarator.type = TYPEDEC_NESTED;
2338 $$->u.type_declarator.u.nested.type_declarator = $2;
2340 | direct_alias_abstract_declarator LSBRAC unary_expression RSBRAC
2342 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2343 $$->u.type_declarator.type = TYPEDEC_NESTED;
2344 $$->u.type_declarator.u.nested.type_declarator = $1;
2345 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2346 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2348 | direct_alias_abstract_declarator LSBRAC RSBRAC
2350 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2351 $$->u.type_declarator.type = TYPEDEC_NESTED;
2352 $$->u.type_declarator.u.nested.type_declarator = $1;
2353 $$->u.type_declarator.u.nested.abstract_array = 1;
2360 | pointer direct_declarator
2363 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2370 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2371 $$->u.type_declarator.type = TYPEDEC_ID;
2372 $$->u.type_declarator.u.id = $1->s;
2374 | LPAREN declarator RPAREN
2376 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2377 $$->u.type_declarator.type = TYPEDEC_NESTED;
2378 $$->u.type_declarator.u.nested.type_declarator = $2;
2380 | direct_declarator LSBRAC unary_expression RSBRAC
2382 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2383 $$->u.type_declarator.type = TYPEDEC_NESTED;
2384 $$->u.type_declarator.u.nested.type_declarator = $1;
2385 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2386 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2391 direct_type_declarator
2393 | pointer direct_type_declarator
2396 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2400 direct_type_declarator:
2403 add_type(scanner, $1);
2404 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2405 $$->u.type_declarator.type = TYPEDEC_ID;
2406 $$->u.type_declarator.u.id = $1->s;
2408 | LPAREN type_declarator RPAREN
2410 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2411 $$->u.type_declarator.type = TYPEDEC_NESTED;
2412 $$->u.type_declarator.u.nested.type_declarator = $2;
2414 | direct_type_declarator LSBRAC unary_expression RSBRAC
2416 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2417 $$->u.type_declarator.type = TYPEDEC_NESTED;
2418 $$->u.type_declarator.u.nested.type_declarator = $1;
2419 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2420 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2427 $$ = make_node(scanner, NODE_POINTER);
2431 $$ = make_node(scanner, NODE_POINTER);
2432 bt_list_splice(&($2)->tmp_head, &($$)->tmp_head);
2434 | STAR type_qualifier_list pointer
2436 $$ = make_node(scanner, NODE_POINTER);
2437 $$->u.pointer.const_qualifier = 1;
2438 bt_list_splice(&($3)->tmp_head, &($$)->tmp_head);
2442 type_qualifier_list:
2443 /* pointer assumes only const type qualifier */
2445 | type_qualifier_list CONST
2448 /* 2.3: CTF-specific declarations */
2450 ctf_assignment_expression_list:
2451 ctf_assignment_expression SEMICOLON
2453 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
2456 bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
2460 ctf_assignment_expression:
2461 unary_expression EQUAL unary_expression
2464 * Because we have left and right, cannot use
2467 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2468 _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2469 if ($1->u.unary_expression.type != UNARY_STRING)
2470 reparent_error(scanner, "ctf_assignment_expression left expects string");
2471 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
2473 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
2476 * Because we have left and right, cannot use
2479 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2480 _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2481 if ($1->u.unary_expression.type != UNARY_STRING)
2482 reparent_error(scanner, "ctf_assignment_expression left expects string");
2483 bt_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
2485 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
2487 struct ctf_node *list;
2489 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2490 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2491 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2492 $$ = make_node(scanner, NODE_TYPEDEF);
2493 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2494 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
2496 | TYPEDEF declaration_specifiers type_declarator_list
2498 struct ctf_node *list;
2500 $$ = make_node(scanner, NODE_TYPEDEF);
2501 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2502 $$->u._typedef.type_specifier_list = list;
2503 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2504 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2506 | declaration_specifiers TYPEDEF type_declarator_list
2508 struct ctf_node *list;
2510 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2511 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2512 $$ = make_node(scanner, NODE_TYPEDEF);
2513 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2514 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2516 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
2518 struct ctf_node *list;
2520 $$ = make_node(scanner, NODE_TYPEALIAS);
2521 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2522 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2524 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2525 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2526 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2527 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2529 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2530 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2531 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2532 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);