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);
69 int yyget_lineno(yyscan_t yyscanner);
71 char *yyget_text(yyscan_t yyscanner);
74 struct bt_list_head gc;
79 static const char *node_type_to_str[] = {
80 [ NODE_UNKNOWN ] = "NODE_UNKNOWN",
81 [ NODE_ROOT ] = "NODE_ROOT",
82 [ NODE_EVENT ] = "NODE_EVENT",
83 [ NODE_ENV ] = "NODE_ENV",
84 [ NODE_STREAM ] = "NODE_STREAM",
85 [ NODE_TRACE ] = "NODE_TRACE",
86 [ NODE_CLOCK ] = "NODE_CLOCK",
87 [ NODE_CALLSITE ] = "NODE_CALLSITE",
88 [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
89 [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
90 [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
91 [ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
92 [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
93 [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
94 [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
95 [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
96 [ NODE_POINTER ] = "NODE_POINTER",
97 [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
98 [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
99 [ NODE_INTEGER ] = "NODE_INTEGER",
100 [ NODE_STRING ] = "NODE_STRING",
101 [ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
102 [ NODE_ENUM ] = "NODE_ENUM",
103 [ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
104 [ NODE_VARIANT ] = "NODE_VARIANT",
105 [ NODE_STRUCT ] = "NODE_STRUCT",
109 const char *node_type(struct ctf_node *node)
111 if (node->type < NR_NODE_TYPES)
112 return node_type_to_str[node->type];
117 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
120 struct gc_string *gstr;
123 /* TODO: could be faster with find first bit or glib Gstring */
124 /* sizeof long to account for malloc header (int or long ?) */
125 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
128 gstr = malloc(alloclen);
129 bt_list_add(&gstr->gc, &scanner->allocated_strings);
130 gstr->alloclen = alloclen;
135 * note: never use gc_string_append on a string that has external references.
136 * gsrc will be garbage collected immediately, and gstr might be.
137 * Should only be used to append characters to a string literal or constant.
140 struct gc_string *gc_string_append(struct ctf_scanner *scanner,
141 struct gc_string *gstr,
142 struct gc_string *gsrc)
144 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
147 /* TODO: could be faster with find first bit or glib Gstring */
148 /* sizeof long to account for malloc header (int or long ?) */
149 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
152 if (alloclen > gstr->alloclen) {
153 struct gc_string *newgstr;
155 newgstr = gc_string_alloc(scanner, newlen);
156 strcpy(newgstr->s, gstr->s);
157 strcat(newgstr->s, gsrc->s);
158 bt_list_del(&gstr->gc);
162 strcat(gstr->s, gsrc->s);
164 bt_list_del(&gsrc->gc);
169 void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
171 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
172 strcpy(lvalp->gs->s, src);
175 static void init_scope(struct ctf_scanner_scope *scope,
176 struct ctf_scanner_scope *parent)
178 scope->parent = parent;
179 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
183 static void finalize_scope(struct ctf_scanner_scope *scope)
185 g_hash_table_destroy(scope->types);
188 static void push_scope(struct ctf_scanner *scanner)
190 struct ctf_scanner_scope *ns;
192 printf_debug("push scope\n");
193 ns = malloc(sizeof(struct ctf_scanner_scope));
194 init_scope(ns, scanner->cs);
198 static void pop_scope(struct ctf_scanner *scanner)
200 struct ctf_scanner_scope *os;
202 printf_debug("pop scope\n");
204 scanner->cs = os->parent;
209 static int lookup_type(struct ctf_scanner_scope *s, const char *id)
213 ret = (int) (long) g_hash_table_lookup(s->types, id);
214 printf_debug("lookup %p %s %d\n", s, id, ret);
219 int is_type(struct ctf_scanner *scanner, const char *id)
221 struct ctf_scanner_scope *it;
224 for (it = scanner->cs; it != NULL; it = it->parent) {
225 if (lookup_type(it, id)) {
230 printf_debug("is type %s %d\n", id, ret);
234 static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
236 printf_debug("add type %s\n", id->s);
237 if (lookup_type(scanner->cs, id->s))
239 g_hash_table_insert(scanner->cs->types, id->s, id->s);
242 static struct ctf_node *make_node(struct ctf_scanner *scanner,
245 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
246 struct ctf_node *node;
248 node = malloc(sizeof(*node));
251 memset(node, 0, sizeof(*node));
253 node->lineno = yyget_lineno(scanner->scanner);
254 BT_INIT_LIST_HEAD(&node->tmp_head);
255 bt_list_add(&node->gc, &ast->allocated_nodes);
256 bt_list_add(&node->siblings, &node->tmp_head);
260 printfn_fatal(node, "trying to create root node");
264 BT_INIT_LIST_HEAD(&node->u.event.declaration_list);
267 BT_INIT_LIST_HEAD(&node->u.stream.declaration_list);
270 BT_INIT_LIST_HEAD(&node->u.env.declaration_list);
273 BT_INIT_LIST_HEAD(&node->u.trace.declaration_list);
276 BT_INIT_LIST_HEAD(&node->u.clock.declaration_list);
279 BT_INIT_LIST_HEAD(&node->u.callsite.declaration_list);
282 case NODE_CTF_EXPRESSION:
283 BT_INIT_LIST_HEAD(&node->u.ctf_expression.left);
284 BT_INIT_LIST_HEAD(&node->u.ctf_expression.right);
286 case NODE_UNARY_EXPRESSION:
290 BT_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
292 case NODE_TYPEALIAS_TARGET:
293 BT_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
295 case NODE_TYPEALIAS_ALIAS:
296 BT_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
301 case NODE_TYPE_SPECIFIER:
303 case NODE_TYPE_SPECIFIER_LIST:
304 BT_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
308 case NODE_TYPE_DECLARATOR:
309 BT_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
312 case NODE_FLOATING_POINT:
313 BT_INIT_LIST_HEAD(&node->u.floating_point.expressions);
316 BT_INIT_LIST_HEAD(&node->u.integer.expressions);
319 BT_INIT_LIST_HEAD(&node->u.string.expressions);
321 case NODE_ENUMERATOR:
322 BT_INIT_LIST_HEAD(&node->u.enumerator.values);
325 BT_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
327 case NODE_STRUCT_OR_VARIANT_DECLARATION:
328 BT_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
331 BT_INIT_LIST_HEAD(&node->u.variant.declaration_list);
334 BT_INIT_LIST_HEAD(&node->u._struct.declaration_list);
335 BT_INIT_LIST_HEAD(&node->u._struct.min_align);
340 printfn_fatal(node, "unknown node type '%d'", (int) type);
347 static int reparent_ctf_expression(struct ctf_node *node,
348 struct ctf_node *parent)
350 switch (parent->type) {
352 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
355 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
358 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
361 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
364 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
367 _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
369 case NODE_FLOATING_POINT:
370 _bt_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
373 _bt_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
376 _bt_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
380 case NODE_CTF_EXPRESSION:
382 case NODE_TYPEALIAS_TARGET:
383 case NODE_TYPEALIAS_ALIAS:
385 case NODE_TYPE_SPECIFIER:
386 case NODE_TYPE_SPECIFIER_LIST:
388 case NODE_TYPE_DECLARATOR:
389 case NODE_ENUMERATOR:
391 case NODE_STRUCT_OR_VARIANT_DECLARATION:
394 case NODE_UNARY_EXPRESSION:
399 printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
405 static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
407 switch (parent->type) {
409 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
412 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
415 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
418 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
421 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
424 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
427 _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
430 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
433 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
436 case NODE_FLOATING_POINT:
439 case NODE_CTF_EXPRESSION:
441 case NODE_TYPEALIAS_TARGET:
442 case NODE_TYPEALIAS_ALIAS:
444 case NODE_TYPE_SPECIFIER:
445 case NODE_TYPE_SPECIFIER_LIST:
447 case NODE_TYPE_DECLARATOR:
448 case NODE_ENUMERATOR:
450 case NODE_STRUCT_OR_VARIANT_DECLARATION:
451 case NODE_UNARY_EXPRESSION:
456 printfn_fatal(node, "unknown node type %d", parent->type);
462 static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
464 switch (parent->type) {
466 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
469 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
472 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
475 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
478 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
481 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
484 _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
487 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
490 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
493 case NODE_FLOATING_POINT:
496 case NODE_CTF_EXPRESSION:
498 case NODE_TYPEALIAS_TARGET:
499 case NODE_TYPEALIAS_ALIAS:
501 case NODE_TYPE_SPECIFIER:
502 case NODE_TYPE_SPECIFIER_LIST:
504 case NODE_TYPE_DECLARATOR:
505 case NODE_ENUMERATOR:
507 case NODE_STRUCT_OR_VARIANT_DECLARATION:
508 case NODE_UNARY_EXPRESSION:
513 printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
519 static int reparent_type_specifier(struct ctf_node *node,
520 struct ctf_node *parent)
522 switch (parent->type) {
523 case NODE_TYPE_SPECIFIER_LIST:
524 _bt_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
527 case NODE_TYPE_SPECIFIER:
537 case NODE_TYPEALIAS_TARGET:
538 case NODE_TYPEALIAS_ALIAS:
539 case NODE_TYPE_DECLARATOR:
541 case NODE_STRUCT_OR_VARIANT_DECLARATION:
543 case NODE_FLOATING_POINT:
546 case NODE_CTF_EXPRESSION:
548 case NODE_ENUMERATOR:
549 case NODE_UNARY_EXPRESSION:
554 printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
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 printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
626 static int reparent_type_declarator(struct ctf_node *node,
627 struct ctf_node *parent)
629 switch (parent->type) {
630 case NODE_TYPE_DECLARATOR:
631 parent->u.type_declarator.type = TYPEDEC_NESTED;
632 parent->u.type_declarator.u.nested.type_declarator = node;
634 case NODE_STRUCT_OR_VARIANT_DECLARATION:
635 _bt_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
638 _bt_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
640 case NODE_TYPEALIAS_TARGET:
641 _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
643 case NODE_TYPEALIAS_ALIAS:
644 _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_declarators);
658 case NODE_FLOATING_POINT:
661 case NODE_CTF_EXPRESSION:
662 case NODE_TYPE_SPECIFIER:
663 case NODE_TYPE_SPECIFIER_LIST:
665 case NODE_ENUMERATOR:
666 case NODE_UNARY_EXPRESSION:
671 printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
680 * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
681 * create the link declared by the input, -ENOENT if node or parent is NULL,
682 * -EINVAL if there is an internal structure problem.
684 static int set_parent_node(struct ctf_node *node,
685 struct ctf_node *parent)
687 if (!node || !parent)
690 /* Note: Linking to parent will be done only by an external visitor */
692 switch (node->type) {
694 printfn_fatal(node, "trying to reparent root node");
698 if (parent->type == NODE_ROOT) {
699 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.event);
705 if (parent->type == NODE_ROOT) {
706 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
712 if (parent->type == NODE_ROOT) {
713 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.env);
719 if (parent->type == NODE_ROOT) {
720 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
726 if (parent->type == NODE_ROOT) {
727 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.clock);
733 if (parent->type == NODE_ROOT) {
734 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.callsite);
740 case NODE_CTF_EXPRESSION:
741 return reparent_ctf_expression(node, parent);
742 case NODE_UNARY_EXPRESSION:
743 if (parent->type == NODE_TYPE_DECLARATOR)
744 parent->u.type_declarator.bitfield_len = node;
750 return reparent_typedef(node, parent);
751 case NODE_TYPEALIAS_TARGET:
752 if (parent->type == NODE_TYPEALIAS)
753 parent->u.typealias.target = node;
756 case NODE_TYPEALIAS_ALIAS:
757 if (parent->type == NODE_TYPEALIAS)
758 parent->u.typealias.alias = node;
762 return reparent_typealias(node, parent);
765 if (parent->type == NODE_TYPE_DECLARATOR) {
766 _bt_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
770 case NODE_TYPE_DECLARATOR:
771 return reparent_type_declarator(node, parent);
773 case NODE_TYPE_SPECIFIER_LIST:
774 return reparent_type_specifier_list(node, parent);
776 case NODE_TYPE_SPECIFIER:
777 return reparent_type_specifier(node, parent);
779 case NODE_FLOATING_POINT:
785 return -EINVAL; /* Dealt with internally within grammar */
787 case NODE_ENUMERATOR:
788 if (parent->type == NODE_ENUM) {
789 _bt_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
794 case NODE_STRUCT_OR_VARIANT_DECLARATION:
795 switch (parent->type) {
797 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
800 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
809 printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
816 void yyerror(struct ctf_scanner *scanner, const char *str)
818 printfl_error(yyget_lineno(scanner->scanner),
819 "token \"%s\": %s\n",
820 yyget_text(scanner->scanner), str);
829 #define reparent_error(scanner, str) \
831 yyerror(scanner, YY_("reparent_error: " str)); \
835 static void free_strings(struct bt_list_head *list)
837 struct gc_string *gstr, *tmp;
839 bt_list_for_each_entry_safe(gstr, tmp, list, gc)
843 static struct ctf_ast *ctf_ast_alloc(void)
847 ast = malloc(sizeof(*ast));
850 memset(ast, 0, sizeof(*ast));
851 BT_INIT_LIST_HEAD(&ast->allocated_nodes);
852 ast->root.type = NODE_ROOT;
853 BT_INIT_LIST_HEAD(&ast->root.tmp_head);
854 BT_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
855 BT_INIT_LIST_HEAD(&ast->root.u.root.trace);
856 BT_INIT_LIST_HEAD(&ast->root.u.root.env);
857 BT_INIT_LIST_HEAD(&ast->root.u.root.stream);
858 BT_INIT_LIST_HEAD(&ast->root.u.root.event);
859 BT_INIT_LIST_HEAD(&ast->root.u.root.clock);
860 BT_INIT_LIST_HEAD(&ast->root.u.root.callsite);
864 static void ctf_ast_free(struct ctf_ast *ast)
866 struct ctf_node *node, *tmp;
868 bt_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
873 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
875 return yyparse(scanner);
878 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
880 struct ctf_scanner *scanner;
883 yydebug = babeltrace_debug;
885 scanner = malloc(sizeof(*scanner));
888 memset(scanner, 0, sizeof(*scanner));
890 ret = yylex_init_extra(scanner, &scanner->scanner);
892 printf_fatal("yylex_init error");
893 goto cleanup_scanner;
895 /* Start processing new stream */
896 yyrestart(input, scanner->scanner);
898 scanner->ast = ctf_ast_alloc();
901 init_scope(&scanner->root_scope, NULL);
902 scanner->cs = &scanner->root_scope;
903 BT_INIT_LIST_HEAD(&scanner->allocated_strings);
906 fprintf(stdout, "Scanner input is a%s.\n",
907 isatty(fileno(input)) ? "n interactive tty" :
908 " noninteractive file");
913 ret = yylex_destroy(scanner->scanner);
915 printf_fatal("yylex_destroy error");
921 void ctf_scanner_free(struct ctf_scanner *scanner)
925 finalize_scope(&scanner->root_scope);
926 free_strings(&scanner->allocated_strings);
927 ctf_ast_free(scanner->ast);
928 ret = yylex_destroy(scanner->scanner);
930 printf_error("yylex_destroy error");
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
1230 if ($$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT
1231 && $$->u.unary_expression.type != UNARY_SIGNED_CONSTANT) {
1232 reparent_error(scanner, "expecting numeric constant");
1235 | MINUS postfix_expression
1238 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1239 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1240 $$->u.unary_expression.u.signed_constant =
1241 -($$->u.unary_expression.u.unsigned_constant);
1242 } else if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1243 $$->u.unary_expression.u.signed_constant =
1244 -($$->u.unary_expression.u.signed_constant);
1246 reparent_error(scanner, "expecting numeric constant");
1251 unary_expression_or_range:
1252 unary_expression DOTDOTDOT unary_expression
1255 _bt_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1256 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
1262 /* 2.2: Declarations */
1265 declaration_specifiers SEMICOLON
1269 | stream_declaration
1277 | callsite_declaration
1279 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1281 struct ctf_node *list;
1283 $$ = make_node(scanner, NODE_TYPEDEF);
1284 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1285 $$->u._typedef.type_specifier_list = list;
1286 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1287 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1288 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
1290 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1292 struct ctf_node *list;
1294 $$ = make_node(scanner, NODE_TYPEDEF);
1295 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1296 $$->u._typedef.type_specifier_list = list;
1297 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1298 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1300 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
1302 struct ctf_node *list;
1304 $$ = make_node(scanner, NODE_TYPEDEF);
1305 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1306 $$->u._typedef.type_specifier_list = list;
1307 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1308 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1310 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
1312 struct ctf_node *list;
1314 $$ = make_node(scanner, NODE_TYPEALIAS);
1315 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1316 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1318 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1319 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1320 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1321 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1323 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1324 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1325 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1326 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1331 event_declaration_begin event_declaration_end
1333 $$ = make_node(scanner, NODE_EVENT);
1335 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
1337 $$ = make_node(scanner, NODE_EVENT);
1338 if (set_parent_node($2, $$))
1339 reparent_error(scanner, "event_declaration");
1343 event_declaration_begin:
1345 { push_scope(scanner); }
1348 event_declaration_end:
1350 { pop_scope(scanner); }
1355 stream_declaration_begin stream_declaration_end
1357 $$ = make_node(scanner, NODE_STREAM);
1359 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
1361 $$ = make_node(scanner, NODE_STREAM);
1362 if (set_parent_node($2, $$))
1363 reparent_error(scanner, "stream_declaration");
1367 stream_declaration_begin:
1369 { push_scope(scanner); }
1372 stream_declaration_end:
1374 { pop_scope(scanner); }
1378 env_declaration_begin env_declaration_end
1380 $$ = make_node(scanner, NODE_ENV);
1382 | env_declaration_begin ctf_assignment_expression_list env_declaration_end
1384 $$ = make_node(scanner, NODE_ENV);
1385 if (set_parent_node($2, $$))
1386 reparent_error(scanner, "env declaration");
1390 env_declaration_begin:
1392 { push_scope(scanner); }
1395 env_declaration_end:
1397 { pop_scope(scanner); }
1401 trace_declaration_begin trace_declaration_end
1403 $$ = make_node(scanner, NODE_TRACE);
1405 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
1407 $$ = make_node(scanner, NODE_TRACE);
1408 if (set_parent_node($2, $$))
1409 reparent_error(scanner, "trace_declaration");
1413 trace_declaration_begin:
1415 { push_scope(scanner); }
1418 trace_declaration_end:
1420 { pop_scope(scanner); }
1424 CLOCK clock_declaration_begin clock_declaration_end
1426 $$ = make_node(scanner, NODE_CLOCK);
1428 | CLOCK clock_declaration_begin ctf_assignment_expression_list clock_declaration_end
1430 $$ = make_node(scanner, NODE_CLOCK);
1431 if (set_parent_node($3, $$))
1432 reparent_error(scanner, "trace_declaration");
1436 clock_declaration_begin:
1438 { push_scope(scanner); }
1441 clock_declaration_end:
1443 { pop_scope(scanner); }
1446 callsite_declaration:
1447 CALLSITE callsite_declaration_begin callsite_declaration_end
1449 $$ = make_node(scanner, NODE_CALLSITE);
1451 | CALLSITE callsite_declaration_begin ctf_assignment_expression_list callsite_declaration_end
1453 $$ = make_node(scanner, NODE_CALLSITE);
1454 if (set_parent_node($3, $$))
1455 reparent_error(scanner, "trace_declaration");
1459 callsite_declaration_begin:
1461 { push_scope(scanner); }
1464 callsite_declaration_end:
1466 { pop_scope(scanner); }
1469 integer_declaration_specifiers:
1472 struct ctf_node *node;
1474 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1475 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1476 node->u.type_specifier.type = TYPESPEC_CONST;
1477 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1479 | integer_type_specifier
1481 struct ctf_node *node;
1483 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1485 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1487 | integer_declaration_specifiers CONST
1489 struct ctf_node *node;
1492 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1493 node->u.type_specifier.type = TYPESPEC_CONST;
1494 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1496 | integer_declaration_specifiers integer_type_specifier
1499 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1503 declaration_specifiers:
1506 struct ctf_node *node;
1508 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1509 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1510 node->u.type_specifier.type = TYPESPEC_CONST;
1511 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1515 struct ctf_node *node;
1517 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1519 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1521 | declaration_specifiers CONST
1523 struct ctf_node *node;
1526 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1527 node->u.type_specifier.type = TYPESPEC_CONST;
1528 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1530 | declaration_specifiers type_specifier
1533 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1537 type_declarator_list:
1540 | type_declarator_list COMMA type_declarator
1543 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1547 integer_type_specifier:
1550 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1551 $$->u.type_specifier.type = TYPESPEC_CHAR;
1555 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1556 $$->u.type_specifier.type = TYPESPEC_SHORT;
1560 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1561 $$->u.type_specifier.type = TYPESPEC_INT;
1565 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1566 $$->u.type_specifier.type = TYPESPEC_LONG;
1570 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1571 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1575 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1576 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1580 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1581 $$->u.type_specifier.type = TYPESPEC_BOOL;
1585 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1586 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1587 $$->u.type_specifier.id_type = yylval.gs->s;
1589 | INTEGER LBRAC RBRAC
1591 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1592 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1593 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1595 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1597 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1598 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1599 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1600 if (set_parent_node($3, $$->u.type_specifier.node))
1601 reparent_error(scanner, "integer reparent error");
1608 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1609 $$->u.type_specifier.type = TYPESPEC_VOID;
1613 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1614 $$->u.type_specifier.type = TYPESPEC_CHAR;
1618 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1619 $$->u.type_specifier.type = TYPESPEC_SHORT;
1623 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1624 $$->u.type_specifier.type = TYPESPEC_INT;
1628 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1629 $$->u.type_specifier.type = TYPESPEC_LONG;
1633 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1634 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1638 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1639 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1643 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1644 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1648 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1649 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1653 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1654 $$->u.type_specifier.type = TYPESPEC_BOOL;
1658 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1659 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1663 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1664 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1668 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1669 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1670 $$->u.type_specifier.id_type = yylval.gs->s;
1672 | FLOATING_POINT LBRAC RBRAC
1674 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1675 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1676 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1678 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
1680 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1681 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1682 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1683 if (set_parent_node($3, $$->u.type_specifier.node))
1684 reparent_error(scanner, "floating point reparent error");
1686 | INTEGER LBRAC RBRAC
1688 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1689 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1690 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1692 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1694 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1695 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1696 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1697 if (set_parent_node($3, $$->u.type_specifier.node))
1698 reparent_error(scanner, "integer reparent error");
1702 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1703 $$->u.type_specifier.type = TYPESPEC_STRING;
1704 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1706 | STRING LBRAC RBRAC
1708 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1709 $$->u.type_specifier.type = TYPESPEC_STRING;
1710 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1712 | STRING LBRAC ctf_assignment_expression_list RBRAC
1714 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1715 $$->u.type_specifier.type = TYPESPEC_STRING;
1716 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1717 if (set_parent_node($3, $$->u.type_specifier.node))
1718 reparent_error(scanner, "string reparent error");
1720 | ENUM enum_type_specifier
1722 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1723 $$->u.type_specifier.type = TYPESPEC_ENUM;
1724 $$->u.type_specifier.node = $2;
1726 | VARIANT variant_type_specifier
1728 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1729 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1730 $$->u.type_specifier.node = $2;
1732 | STRUCT struct_type_specifier
1734 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1735 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1736 $$->u.type_specifier.node = $2;
1740 struct_type_specifier:
1741 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1743 $$ = make_node(scanner, NODE_STRUCT);
1744 $$->u._struct.has_body = 1;
1745 if ($2 && set_parent_node($2, $$))
1746 reparent_error(scanner, "struct reparent error");
1748 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1750 $$ = make_node(scanner, NODE_STRUCT);
1751 $$->u._struct.has_body = 1;
1752 $$->u._struct.name = $1->s;
1753 if ($3 && set_parent_node($3, $$))
1754 reparent_error(scanner, "struct reparent error");
1756 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1758 $$ = make_node(scanner, NODE_STRUCT);
1759 $$->u._struct.has_body = 1;
1760 $$->u._struct.name = $1->s;
1761 if ($3 && set_parent_node($3, $$))
1762 reparent_error(scanner, "struct reparent error");
1766 $$ = make_node(scanner, NODE_STRUCT);
1767 $$->u._struct.has_body = 0;
1768 $$->u._struct.name = $1->s;
1772 $$ = make_node(scanner, NODE_STRUCT);
1773 $$->u._struct.has_body = 0;
1774 $$->u._struct.name = $1->s;
1776 | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1778 $$ = make_node(scanner, NODE_STRUCT);
1779 $$->u._struct.has_body = 1;
1780 bt_list_add_tail(&($6)->siblings, &$$->u._struct.min_align);
1781 if ($2 && set_parent_node($2, $$))
1782 reparent_error(scanner, "struct reparent error");
1784 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1786 $$ = make_node(scanner, NODE_STRUCT);
1787 $$->u._struct.has_body = 1;
1788 $$->u._struct.name = $1->s;
1789 bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
1790 if ($3 && set_parent_node($3, $$))
1791 reparent_error(scanner, "struct reparent error");
1793 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1795 $$ = make_node(scanner, NODE_STRUCT);
1796 $$->u._struct.has_body = 1;
1797 $$->u._struct.name = $1->s;
1798 bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
1799 if ($3 && set_parent_node($3, $$))
1800 reparent_error(scanner, "struct reparent error");
1804 struct_declaration_begin:
1806 { push_scope(scanner); }
1809 struct_declaration_end:
1811 { pop_scope(scanner); }
1814 variant_type_specifier:
1815 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1817 $$ = make_node(scanner, NODE_VARIANT);
1818 $$->u.variant.has_body = 1;
1819 if ($2 && set_parent_node($2, $$))
1820 reparent_error(scanner, "variant reparent error");
1822 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1824 $$ = make_node(scanner, NODE_VARIANT);
1825 $$->u.variant.has_body = 1;
1826 $$->u.variant.choice = $2->s;
1827 if ($5 && set_parent_node($5, $$))
1828 reparent_error(scanner, "variant reparent error");
1830 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1832 $$ = make_node(scanner, NODE_VARIANT);
1833 $$->u.variant.has_body = 1;
1834 $$->u.variant.choice = $2->s;
1835 if ($5 && set_parent_node($5, $$))
1836 reparent_error(scanner, "variant reparent error");
1838 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1840 $$ = make_node(scanner, NODE_VARIANT);
1841 $$->u.variant.has_body = 1;
1842 $$->u.variant.name = $1->s;
1843 if ($3 && set_parent_node($3, $$))
1844 reparent_error(scanner, "variant reparent error");
1846 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1848 $$ = make_node(scanner, NODE_VARIANT);
1849 $$->u.variant.has_body = 1;
1850 $$->u.variant.name = $1->s;
1851 $$->u.variant.choice = $3->s;
1852 if ($6 && set_parent_node($6, $$))
1853 reparent_error(scanner, "variant reparent error");
1855 | IDENTIFIER LT IDENTIFIER GT
1857 $$ = make_node(scanner, NODE_VARIANT);
1858 $$->u.variant.has_body = 0;
1859 $$->u.variant.name = $1->s;
1860 $$->u.variant.choice = $3->s;
1862 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1864 $$ = make_node(scanner, NODE_VARIANT);
1865 $$->u.variant.has_body = 1;
1866 $$->u.variant.name = $1->s;
1867 $$->u.variant.choice = $3->s;
1868 if ($6 && set_parent_node($6, $$))
1869 reparent_error(scanner, "variant reparent error");
1871 | IDENTIFIER LT ID_TYPE GT
1873 $$ = make_node(scanner, NODE_VARIANT);
1874 $$->u.variant.has_body = 0;
1875 $$->u.variant.name = $1->s;
1876 $$->u.variant.choice = $3->s;
1878 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1880 $$ = make_node(scanner, NODE_VARIANT);
1881 $$->u.variant.has_body = 1;
1882 $$->u.variant.name = $1->s;
1883 if ($3 && set_parent_node($3, $$))
1884 reparent_error(scanner, "variant reparent error");
1886 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1888 $$ = make_node(scanner, NODE_VARIANT);
1889 $$->u.variant.has_body = 1;
1890 $$->u.variant.name = $1->s;
1891 $$->u.variant.choice = $3->s;
1892 if ($6 && set_parent_node($6, $$))
1893 reparent_error(scanner, "variant reparent error");
1895 | ID_TYPE LT IDENTIFIER GT
1897 $$ = make_node(scanner, NODE_VARIANT);
1898 $$->u.variant.has_body = 0;
1899 $$->u.variant.name = $1->s;
1900 $$->u.variant.choice = $3->s;
1902 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1904 $$ = make_node(scanner, NODE_VARIANT);
1905 $$->u.variant.has_body = 1;
1906 $$->u.variant.name = $1->s;
1907 $$->u.variant.choice = $3->s;
1908 if ($6 && set_parent_node($6, $$))
1909 reparent_error(scanner, "variant reparent error");
1911 | ID_TYPE LT ID_TYPE GT
1913 $$ = make_node(scanner, NODE_VARIANT);
1914 $$->u.variant.has_body = 0;
1915 $$->u.variant.name = $1->s;
1916 $$->u.variant.choice = $3->s;
1920 variant_declaration_begin:
1922 { push_scope(scanner); }
1925 variant_declaration_end:
1927 { pop_scope(scanner); }
1930 enum_type_specifier:
1931 LBRAC enumerator_list RBRAC
1933 $$ = make_node(scanner, NODE_ENUM);
1934 $$->u._enum.has_body = 1;
1935 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1937 | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1939 $$ = make_node(scanner, NODE_ENUM);
1940 $$->u._enum.has_body = 1;
1941 ($$)->u._enum.container_type = $2;
1942 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
1944 | IDENTIFIER LBRAC enumerator_list RBRAC
1946 $$ = make_node(scanner, NODE_ENUM);
1947 $$->u._enum.has_body = 1;
1948 $$->u._enum.enum_id = $1->s;
1949 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1951 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1953 $$ = make_node(scanner, NODE_ENUM);
1954 $$->u._enum.has_body = 1;
1955 $$->u._enum.enum_id = $1->s;
1956 ($$)->u._enum.container_type = $3;
1957 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1959 | ID_TYPE LBRAC enumerator_list RBRAC
1961 $$ = make_node(scanner, NODE_ENUM);
1962 $$->u._enum.has_body = 1;
1963 $$->u._enum.enum_id = $1->s;
1964 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1966 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1968 $$ = make_node(scanner, NODE_ENUM);
1969 $$->u._enum.has_body = 1;
1970 $$->u._enum.enum_id = $1->s;
1971 ($$)->u._enum.container_type = $3;
1972 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1974 | LBRAC enumerator_list COMMA RBRAC
1976 $$ = make_node(scanner, NODE_ENUM);
1977 $$->u._enum.has_body = 1;
1978 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1980 | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1982 $$ = make_node(scanner, NODE_ENUM);
1983 $$->u._enum.has_body = 1;
1984 ($$)->u._enum.container_type = $2;
1985 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
1987 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
1989 $$ = make_node(scanner, NODE_ENUM);
1990 $$->u._enum.has_body = 1;
1991 $$->u._enum.enum_id = $1->s;
1992 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1994 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1996 $$ = make_node(scanner, NODE_ENUM);
1997 $$->u._enum.has_body = 1;
1998 $$->u._enum.enum_id = $1->s;
1999 ($$)->u._enum.container_type = $3;
2000 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
2004 $$ = make_node(scanner, NODE_ENUM);
2005 $$->u._enum.has_body = 0;
2006 $$->u._enum.enum_id = $1->s;
2008 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
2010 $$ = make_node(scanner, NODE_ENUM);
2011 $$->u._enum.has_body = 1;
2012 $$->u._enum.enum_id = $1->s;
2013 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
2015 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
2017 $$ = make_node(scanner, NODE_ENUM);
2018 $$->u._enum.has_body = 1;
2019 $$->u._enum.enum_id = $1->s;
2020 ($$)->u._enum.container_type = $3;
2021 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
2025 $$ = make_node(scanner, NODE_ENUM);
2026 $$->u._enum.has_body = 0;
2027 $$->u._enum.enum_id = $1->s;
2031 struct_or_variant_declaration_list:
2034 | struct_or_variant_declaration_list struct_or_variant_declaration
2038 bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
2041 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
2046 struct_or_variant_declaration:
2047 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
2049 struct ctf_node *list;
2051 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2052 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2053 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
2054 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2055 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
2057 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
2059 struct ctf_node *list;
2061 $$ = make_node(scanner, NODE_TYPEDEF);
2062 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2063 $$->u._typedef.type_specifier_list = list;
2064 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2065 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2066 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
2068 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
2070 struct ctf_node *list;
2072 $$ = make_node(scanner, NODE_TYPEDEF);
2073 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2074 $$->u._typedef.type_specifier_list = list;
2075 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2076 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2078 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
2080 struct ctf_node *list;
2082 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2083 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2084 $$ = make_node(scanner, NODE_TYPEDEF);
2085 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2086 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2088 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
2090 struct ctf_node *list;
2092 $$ = make_node(scanner, NODE_TYPEALIAS);
2093 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2094 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2096 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2097 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2098 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2099 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2101 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2102 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2103 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2104 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
2108 alias_declaration_specifiers:
2111 struct ctf_node *node;
2113 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2114 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2115 node->u.type_specifier.type = TYPESPEC_CONST;
2116 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2120 struct ctf_node *node;
2122 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2124 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2128 struct ctf_node *node;
2130 add_type(scanner, $1);
2131 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2132 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2133 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
2134 node->u.type_specifier.id_type = yylval.gs->s;
2135 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2137 | alias_declaration_specifiers CONST
2139 struct ctf_node *node;
2142 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2143 node->u.type_specifier.type = TYPESPEC_CONST;
2144 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2146 | alias_declaration_specifiers type_specifier
2149 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
2151 | alias_declaration_specifiers IDENTIFIER
2153 struct ctf_node *node;
2155 add_type(scanner, $2);
2157 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2158 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
2159 node->u.type_specifier.id_type = yylval.gs->s;
2160 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2164 struct_or_variant_declarator_list:
2165 struct_or_variant_declarator
2167 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
2170 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2174 struct_or_variant_declarator:
2177 | COLON unary_expression
2179 | declarator COLON unary_expression
2182 if (set_parent_node($3, $1))
2183 reparent_error(scanner, "struct_or_variant_declarator");
2190 | enumerator_list COMMA enumerator
2193 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2200 $$ = make_node(scanner, NODE_ENUMERATOR);
2201 $$->u.enumerator.id = $1->s;
2205 $$ = make_node(scanner, NODE_ENUMERATOR);
2206 $$->u.enumerator.id = $1->s;
2210 $$ = make_node(scanner, NODE_ENUMERATOR);
2211 $$->u.enumerator.id = $1->s;
2213 | STRING_LITERAL_START DQUOTE
2215 $$ = make_node(scanner, NODE_ENUMERATOR);
2216 $$->u.enumerator.id = "";
2218 | STRING_LITERAL_START s_char_sequence DQUOTE
2220 $$ = make_node(scanner, NODE_ENUMERATOR);
2221 $$->u.enumerator.id = $2->s;
2223 | IDENTIFIER EQUAL unary_expression_or_range
2225 $$ = make_node(scanner, NODE_ENUMERATOR);
2226 $$->u.enumerator.id = $1->s;
2227 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2229 | ID_TYPE EQUAL unary_expression_or_range
2231 $$ = make_node(scanner, NODE_ENUMERATOR);
2232 $$->u.enumerator.id = $1->s;
2233 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2235 | keywords EQUAL unary_expression_or_range
2237 $$ = make_node(scanner, NODE_ENUMERATOR);
2238 $$->u.enumerator.id = $1->s;
2239 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2241 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
2243 $$ = make_node(scanner, NODE_ENUMERATOR);
2244 $$->u.enumerator.id = "";
2245 bt_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
2247 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
2249 $$ = make_node(scanner, NODE_ENUMERATOR);
2250 $$->u.enumerator.id = $2->s;
2251 bt_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
2255 abstract_declarator_list:
2258 | abstract_declarator_list COMMA abstract_declarator
2261 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2265 abstract_declarator:
2266 direct_abstract_declarator
2268 | pointer direct_abstract_declarator
2271 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2275 direct_abstract_declarator:
2278 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2279 $$->u.type_declarator.type = TYPEDEC_ID;
2284 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2285 $$->u.type_declarator.type = TYPEDEC_ID;
2286 $$->u.type_declarator.u.id = $1->s;
2288 | LPAREN abstract_declarator RPAREN
2290 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2291 $$->u.type_declarator.type = TYPEDEC_NESTED;
2292 $$->u.type_declarator.u.nested.type_declarator = $2;
2294 | direct_abstract_declarator LSBRAC unary_expression RSBRAC
2296 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2297 $$->u.type_declarator.type = TYPEDEC_NESTED;
2298 $$->u.type_declarator.u.nested.type_declarator = $1;
2299 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2300 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2302 | direct_abstract_declarator LSBRAC RSBRAC
2304 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2305 $$->u.type_declarator.type = TYPEDEC_NESTED;
2306 $$->u.type_declarator.u.nested.type_declarator = $1;
2307 $$->u.type_declarator.u.nested.abstract_array = 1;
2311 alias_abstract_declarator_list:
2312 alias_abstract_declarator
2314 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2317 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2321 alias_abstract_declarator:
2322 direct_alias_abstract_declarator
2324 | pointer direct_alias_abstract_declarator
2327 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2331 direct_alias_abstract_declarator:
2334 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2335 $$->u.type_declarator.type = TYPEDEC_ID;
2338 | LPAREN alias_abstract_declarator RPAREN
2340 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2341 $$->u.type_declarator.type = TYPEDEC_NESTED;
2342 $$->u.type_declarator.u.nested.type_declarator = $2;
2344 | direct_alias_abstract_declarator LSBRAC unary_expression RSBRAC
2346 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2347 $$->u.type_declarator.type = TYPEDEC_NESTED;
2348 $$->u.type_declarator.u.nested.type_declarator = $1;
2349 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2350 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2352 | direct_alias_abstract_declarator LSBRAC RSBRAC
2354 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2355 $$->u.type_declarator.type = TYPEDEC_NESTED;
2356 $$->u.type_declarator.u.nested.type_declarator = $1;
2357 $$->u.type_declarator.u.nested.abstract_array = 1;
2364 | pointer direct_declarator
2367 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2374 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2375 $$->u.type_declarator.type = TYPEDEC_ID;
2376 $$->u.type_declarator.u.id = $1->s;
2378 | LPAREN declarator RPAREN
2380 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2381 $$->u.type_declarator.type = TYPEDEC_NESTED;
2382 $$->u.type_declarator.u.nested.type_declarator = $2;
2384 | direct_declarator LSBRAC unary_expression RSBRAC
2386 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2387 $$->u.type_declarator.type = TYPEDEC_NESTED;
2388 $$->u.type_declarator.u.nested.type_declarator = $1;
2389 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2390 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2395 direct_type_declarator
2397 | pointer direct_type_declarator
2400 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2404 direct_type_declarator:
2407 add_type(scanner, $1);
2408 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2409 $$->u.type_declarator.type = TYPEDEC_ID;
2410 $$->u.type_declarator.u.id = $1->s;
2412 | LPAREN type_declarator RPAREN
2414 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2415 $$->u.type_declarator.type = TYPEDEC_NESTED;
2416 $$->u.type_declarator.u.nested.type_declarator = $2;
2418 | direct_type_declarator LSBRAC unary_expression RSBRAC
2420 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2421 $$->u.type_declarator.type = TYPEDEC_NESTED;
2422 $$->u.type_declarator.u.nested.type_declarator = $1;
2423 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2424 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2431 $$ = make_node(scanner, NODE_POINTER);
2435 $$ = make_node(scanner, NODE_POINTER);
2436 bt_list_splice(&($2)->tmp_head, &($$)->tmp_head);
2438 | STAR type_qualifier_list pointer
2440 $$ = make_node(scanner, NODE_POINTER);
2441 $$->u.pointer.const_qualifier = 1;
2442 bt_list_splice(&($3)->tmp_head, &($$)->tmp_head);
2446 type_qualifier_list:
2447 /* pointer assumes only const type qualifier */
2449 | type_qualifier_list CONST
2452 /* 2.3: CTF-specific declarations */
2454 ctf_assignment_expression_list:
2455 ctf_assignment_expression SEMICOLON
2457 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
2460 bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
2464 ctf_assignment_expression:
2465 unary_expression EQUAL unary_expression
2468 * Because we have left and right, cannot use
2471 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2472 _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2473 if ($1->u.unary_expression.type != UNARY_STRING)
2474 reparent_error(scanner, "ctf_assignment_expression left expects string");
2475 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
2477 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
2480 * Because we have left and right, cannot use
2483 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2484 _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2485 if ($1->u.unary_expression.type != UNARY_STRING)
2486 reparent_error(scanner, "ctf_assignment_expression left expects string");
2487 bt_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
2489 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
2491 struct ctf_node *list;
2493 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2494 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2495 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2496 $$ = make_node(scanner, NODE_TYPEDEF);
2497 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2498 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
2500 | TYPEDEF declaration_specifiers type_declarator_list
2502 struct ctf_node *list;
2504 $$ = make_node(scanner, NODE_TYPEDEF);
2505 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2506 $$->u._typedef.type_specifier_list = list;
2507 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2508 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2510 | declaration_specifiers TYPEDEF type_declarator_list
2512 struct ctf_node *list;
2514 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2515 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2516 $$ = make_node(scanner, NODE_TYPEDEF);
2517 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2518 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2520 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
2522 struct ctf_node *list;
2524 $$ = make_node(scanner, NODE_TYPEALIAS);
2525 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2526 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2528 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2529 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2530 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2531 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2533 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2534 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2535 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2536 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);