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.
28 #include <babeltrace/list.h>
29 #include <babeltrace/babeltrace-internal.h>
30 #include "ctf-scanner.h"
31 #include "ctf-parser.h"
36 /* Join two lists, put "add" at the end of "head". */
38 _bt_list_splice_tail (struct bt_list_head *add, struct bt_list_head *head)
40 /* Do nothing if the list which gets added is empty. */
41 if (add != add->next) {
42 add->next->prev = head->prev;
43 add->prev->next = head;
44 head->prev->next = add->next;
45 head->prev = add->prev;
49 int yyparse(struct ctf_scanner *scanner);
50 int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
51 int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
52 int yylex_destroy(yyscan_t yyscanner);
53 void yyrestart(FILE * in_str, yyscan_t scanner);
56 struct bt_list_head gc;
61 static const char *node_type_to_str[] = {
62 [ NODE_UNKNOWN ] = "NODE_UNKNOWN",
63 [ NODE_ROOT ] = "NODE_ROOT",
64 [ NODE_EVENT ] = "NODE_EVENT",
65 [ NODE_ENV ] = "NODE_ENV",
66 [ NODE_STREAM ] = "NODE_STREAM",
67 [ NODE_TRACE ] = "NODE_TRACE",
68 [ NODE_CLOCK ] = "NODE_CLOCK",
69 [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
70 [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
71 [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
72 [ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
73 [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
74 [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
75 [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
76 [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
77 [ NODE_POINTER ] = "NODE_POINTER",
78 [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
79 [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
80 [ NODE_INTEGER ] = "NODE_INTEGER",
81 [ NODE_STRING ] = "NODE_STRING",
82 [ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
83 [ NODE_ENUM ] = "NODE_ENUM",
84 [ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
85 [ NODE_VARIANT ] = "NODE_VARIANT",
86 [ NODE_STRUCT ] = "NODE_STRUCT",
89 const char *node_type(struct ctf_node *node)
91 if (node->type < NR_NODE_TYPES)
92 return node_type_to_str[node->type];
97 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
100 struct gc_string *gstr;
103 /* TODO: could be faster with find first bit or glib Gstring */
104 /* sizeof long to account for malloc header (int or long ?) */
105 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
108 gstr = malloc(alloclen);
109 bt_list_add(&gstr->gc, &scanner->allocated_strings);
110 gstr->alloclen = alloclen;
115 * note: never use gc_string_append on a string that has external references.
116 * gsrc will be garbage collected immediately, and gstr might be.
117 * Should only be used to append characters to a string literal or constant.
119 struct gc_string *gc_string_append(struct ctf_scanner *scanner,
120 struct gc_string *gstr,
121 struct gc_string *gsrc)
123 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
126 /* TODO: could be faster with find first bit or glib Gstring */
127 /* sizeof long to account for malloc header (int or long ?) */
128 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
131 if (alloclen > gstr->alloclen) {
132 struct gc_string *newgstr;
134 newgstr = gc_string_alloc(scanner, newlen);
135 strcpy(newgstr->s, gstr->s);
136 strcat(newgstr->s, gsrc->s);
137 bt_list_del(&gstr->gc);
141 strcat(gstr->s, gsrc->s);
143 bt_list_del(&gsrc->gc);
148 void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
150 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
151 strcpy(lvalp->gs->s, src);
154 static void init_scope(struct ctf_scanner_scope *scope,
155 struct ctf_scanner_scope *parent)
157 scope->parent = parent;
158 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
162 static void finalize_scope(struct ctf_scanner_scope *scope)
164 g_hash_table_destroy(scope->types);
167 static void push_scope(struct ctf_scanner *scanner)
169 struct ctf_scanner_scope *ns;
171 printf_debug("push scope\n");
172 ns = malloc(sizeof(struct ctf_scanner_scope));
173 init_scope(ns, scanner->cs);
177 static void pop_scope(struct ctf_scanner *scanner)
179 struct ctf_scanner_scope *os;
181 printf_debug("pop scope\n");
183 scanner->cs = os->parent;
188 static int lookup_type(struct ctf_scanner_scope *s, const char *id)
192 ret = (int) (long) g_hash_table_lookup(s->types, id);
193 printf_debug("lookup %p %s %d\n", s, id, ret);
197 int is_type(struct ctf_scanner *scanner, const char *id)
199 struct ctf_scanner_scope *it;
202 for (it = scanner->cs; it != NULL; it = it->parent) {
203 if (lookup_type(it, id)) {
208 printf_debug("is type %s %d\n", id, ret);
212 static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
214 printf_debug("add type %s\n", id->s);
215 if (lookup_type(scanner->cs, id->s))
217 g_hash_table_insert(scanner->cs->types, id->s, id->s);
220 static struct ctf_node *make_node(struct ctf_scanner *scanner,
223 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
224 struct ctf_node *node;
226 node = malloc(sizeof(*node));
229 memset(node, 0, sizeof(*node));
231 BT_INIT_LIST_HEAD(&node->tmp_head);
232 bt_list_add(&node->gc, &ast->allocated_nodes);
233 bt_list_add(&node->siblings, &node->tmp_head);
237 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
241 BT_INIT_LIST_HEAD(&node->u.event.declaration_list);
244 BT_INIT_LIST_HEAD(&node->u.stream.declaration_list);
247 BT_INIT_LIST_HEAD(&node->u.env.declaration_list);
250 BT_INIT_LIST_HEAD(&node->u.trace.declaration_list);
253 BT_INIT_LIST_HEAD(&node->u.clock.declaration_list);
256 case NODE_CTF_EXPRESSION:
257 BT_INIT_LIST_HEAD(&node->u.ctf_expression.left);
258 BT_INIT_LIST_HEAD(&node->u.ctf_expression.right);
260 case NODE_UNARY_EXPRESSION:
264 BT_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
266 case NODE_TYPEALIAS_TARGET:
267 BT_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
269 case NODE_TYPEALIAS_ALIAS:
270 BT_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
275 case NODE_TYPE_SPECIFIER:
277 case NODE_TYPE_SPECIFIER_LIST:
278 BT_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
282 case NODE_TYPE_DECLARATOR:
283 BT_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
286 case NODE_FLOATING_POINT:
287 BT_INIT_LIST_HEAD(&node->u.floating_point.expressions);
290 BT_INIT_LIST_HEAD(&node->u.integer.expressions);
293 BT_INIT_LIST_HEAD(&node->u.string.expressions);
295 case NODE_ENUMERATOR:
296 BT_INIT_LIST_HEAD(&node->u.enumerator.values);
299 BT_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
301 case NODE_STRUCT_OR_VARIANT_DECLARATION:
302 BT_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
305 BT_INIT_LIST_HEAD(&node->u.variant.declaration_list);
308 BT_INIT_LIST_HEAD(&node->u._struct.declaration_list);
309 BT_INIT_LIST_HEAD(&node->u._struct.min_align);
314 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
322 static int reparent_ctf_expression(struct ctf_node *node,
323 struct ctf_node *parent)
325 switch (parent->type) {
327 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
330 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
333 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
336 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
339 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
341 case NODE_FLOATING_POINT:
342 _bt_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
345 _bt_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
348 _bt_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
352 case NODE_CTF_EXPRESSION:
354 case NODE_TYPEALIAS_TARGET:
355 case NODE_TYPEALIAS_ALIAS:
357 case NODE_TYPE_SPECIFIER:
358 case NODE_TYPE_SPECIFIER_LIST:
360 case NODE_TYPE_DECLARATOR:
361 case NODE_ENUMERATOR:
363 case NODE_STRUCT_OR_VARIANT_DECLARATION:
366 case NODE_UNARY_EXPRESSION:
371 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
378 static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
380 switch (parent->type) {
382 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
385 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
388 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
391 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
394 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
397 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
400 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
403 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
406 case NODE_FLOATING_POINT:
409 case NODE_CTF_EXPRESSION:
411 case NODE_TYPEALIAS_TARGET:
412 case NODE_TYPEALIAS_ALIAS:
414 case NODE_TYPE_SPECIFIER:
415 case NODE_TYPE_SPECIFIER_LIST:
417 case NODE_TYPE_DECLARATOR:
418 case NODE_ENUMERATOR:
420 case NODE_STRUCT_OR_VARIANT_DECLARATION:
421 case NODE_UNARY_EXPRESSION:
426 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
433 static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
435 switch (parent->type) {
437 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
440 _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
443 _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
446 _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
449 _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
452 _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
455 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
458 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
461 case NODE_FLOATING_POINT:
464 case NODE_CTF_EXPRESSION:
466 case NODE_TYPEALIAS_TARGET:
467 case NODE_TYPEALIAS_ALIAS:
469 case NODE_TYPE_SPECIFIER:
470 case NODE_TYPE_SPECIFIER_LIST:
472 case NODE_TYPE_DECLARATOR:
473 case NODE_ENUMERATOR:
475 case NODE_STRUCT_OR_VARIANT_DECLARATION:
476 case NODE_UNARY_EXPRESSION:
481 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
488 static int reparent_type_specifier(struct ctf_node *node,
489 struct ctf_node *parent)
491 switch (parent->type) {
492 case NODE_TYPE_SPECIFIER_LIST:
493 _bt_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
496 case NODE_TYPE_SPECIFIER:
505 case NODE_TYPEALIAS_TARGET:
506 case NODE_TYPEALIAS_ALIAS:
507 case NODE_TYPE_DECLARATOR:
509 case NODE_STRUCT_OR_VARIANT_DECLARATION:
511 case NODE_FLOATING_POINT:
514 case NODE_CTF_EXPRESSION:
516 case NODE_ENUMERATOR:
517 case NODE_UNARY_EXPRESSION:
522 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
529 static int reparent_type_specifier_list(struct ctf_node *node,
530 struct ctf_node *parent)
532 switch (parent->type) {
534 bt_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
537 bt_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
540 bt_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
543 bt_list_add_tail(&node->siblings, &parent->u.env.declaration_list);
546 bt_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
549 bt_list_add_tail(&node->siblings, &parent->u.clock.declaration_list);
552 bt_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
555 bt_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
558 parent->u._typedef.type_specifier_list = node;
560 case NODE_TYPEALIAS_TARGET:
561 parent->u.typealias_target.type_specifier_list = node;
563 case NODE_TYPEALIAS_ALIAS:
564 parent->u.typealias_alias.type_specifier_list = node;
567 parent->u._enum.container_type = node;
569 case NODE_STRUCT_OR_VARIANT_DECLARATION:
570 parent->u.struct_or_variant_declaration.type_specifier_list = node;
572 case NODE_TYPE_DECLARATOR:
573 case NODE_TYPE_SPECIFIER:
575 case NODE_FLOATING_POINT:
578 case NODE_CTF_EXPRESSION:
580 case NODE_ENUMERATOR:
581 case NODE_UNARY_EXPRESSION:
586 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
593 static int reparent_type_declarator(struct ctf_node *node,
594 struct ctf_node *parent)
596 switch (parent->type) {
597 case NODE_TYPE_DECLARATOR:
598 parent->u.type_declarator.type = TYPEDEC_NESTED;
599 parent->u.type_declarator.u.nested.type_declarator = node;
601 case NODE_STRUCT_OR_VARIANT_DECLARATION:
602 _bt_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
605 _bt_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
607 case NODE_TYPEALIAS_TARGET:
608 _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
610 case NODE_TYPEALIAS_ALIAS:
611 _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_declarators);
624 case NODE_FLOATING_POINT:
627 case NODE_CTF_EXPRESSION:
628 case NODE_TYPE_SPECIFIER:
629 case NODE_TYPE_SPECIFIER_LIST:
631 case NODE_ENUMERATOR:
632 case NODE_UNARY_EXPRESSION:
637 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
647 * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
648 * create the link declared by the input, -ENOENT if node or parent is NULL,
649 * -EINVAL if there is an internal structure problem.
651 static int set_parent_node(struct ctf_node *node,
652 struct ctf_node *parent)
654 if (!node || !parent)
657 /* Note: Linking to parent will be done only by an external visitor */
659 switch (node->type) {
661 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
665 if (parent->type == NODE_ROOT) {
666 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.event);
672 if (parent->type == NODE_ROOT) {
673 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
679 if (parent->type == NODE_ROOT) {
680 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.env);
686 if (parent->type == NODE_ROOT) {
687 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
693 if (parent->type == NODE_ROOT) {
694 _bt_list_splice_tail(&node->tmp_head, &parent->u.root.clock);
700 case NODE_CTF_EXPRESSION:
701 return reparent_ctf_expression(node, parent);
702 case NODE_UNARY_EXPRESSION:
703 if (parent->type == NODE_TYPE_DECLARATOR)
704 parent->u.type_declarator.bitfield_len = node;
710 return reparent_typedef(node, parent);
711 case NODE_TYPEALIAS_TARGET:
712 if (parent->type == NODE_TYPEALIAS)
713 parent->u.typealias.target = node;
716 case NODE_TYPEALIAS_ALIAS:
717 if (parent->type == NODE_TYPEALIAS)
718 parent->u.typealias.alias = node;
722 return reparent_typealias(node, parent);
725 if (parent->type == NODE_TYPE_DECLARATOR) {
726 _bt_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
730 case NODE_TYPE_DECLARATOR:
731 return reparent_type_declarator(node, parent);
733 case NODE_TYPE_SPECIFIER_LIST:
734 return reparent_type_specifier_list(node, parent);
736 case NODE_TYPE_SPECIFIER:
737 return reparent_type_specifier(node, parent);
739 case NODE_FLOATING_POINT:
745 return -EINVAL; /* Dealt with internally within grammar */
747 case NODE_ENUMERATOR:
748 if (parent->type == NODE_ENUM) {
749 _bt_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
754 case NODE_STRUCT_OR_VARIANT_DECLARATION:
755 switch (parent->type) {
757 _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
760 _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
769 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
776 void yyerror(struct ctf_scanner *scanner, const char *str)
778 fprintf(stderr, "error %s\n", str);
786 #define reparent_error(scanner, str) \
788 yyerror(scanner, YY_("reparent_error: " str "\n")); \
792 static void free_strings(struct bt_list_head *list)
794 struct gc_string *gstr, *tmp;
796 bt_list_for_each_entry_safe(gstr, tmp, list, gc)
800 static struct ctf_ast *ctf_ast_alloc(void)
804 ast = malloc(sizeof(*ast));
807 memset(ast, 0, sizeof(*ast));
808 BT_INIT_LIST_HEAD(&ast->allocated_nodes);
809 ast->root.type = NODE_ROOT;
810 BT_INIT_LIST_HEAD(&ast->root.tmp_head);
811 BT_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
812 BT_INIT_LIST_HEAD(&ast->root.u.root.trace);
813 BT_INIT_LIST_HEAD(&ast->root.u.root.env);
814 BT_INIT_LIST_HEAD(&ast->root.u.root.stream);
815 BT_INIT_LIST_HEAD(&ast->root.u.root.event);
816 BT_INIT_LIST_HEAD(&ast->root.u.root.clock);
820 static void ctf_ast_free(struct ctf_ast *ast)
822 struct ctf_node *node, *tmp;
824 bt_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
828 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
830 return yyparse(scanner);
833 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
835 struct ctf_scanner *scanner;
838 yydebug = babeltrace_debug;
840 scanner = malloc(sizeof(*scanner));
843 memset(scanner, 0, sizeof(*scanner));
845 ret = yylex_init_extra(scanner, &scanner->scanner);
847 fprintf(stderr, "yylex_init error\n");
848 goto cleanup_scanner;
850 /* Start processing new stream */
851 yyrestart(input, scanner->scanner);
853 scanner->ast = ctf_ast_alloc();
856 init_scope(&scanner->root_scope, NULL);
857 scanner->cs = &scanner->root_scope;
858 BT_INIT_LIST_HEAD(&scanner->allocated_strings);
861 fprintf(stdout, "Scanner input is a%s.\n",
862 isatty(fileno(input)) ? "n interactive tty" :
863 " noninteractive file");
868 ret = yylex_destroy(scanner->scanner);
870 fprintf(stderr, "yylex_destroy error\n");
876 void ctf_scanner_free(struct ctf_scanner *scanner)
880 finalize_scope(&scanner->root_scope);
881 free_strings(&scanner->allocated_strings);
882 ctf_ast_free(scanner->ast);
883 ret = yylex_destroy(scanner->scanner);
885 fprintf(stderr, "yylex_destroy error\n");
893 %parse-param {struct ctf_scanner *scanner}
894 %lex-param {struct ctf_scanner *scanner}
896 * Expect two shift-reduce conflicts. Caused by enum name-opt : type {}
897 * vs struct { int :value; } (unnamed bit-field). The default is to
898 * shift, so whenever we encounter an enumeration, we are doing the
899 * proper thing (shift). It is illegal to declare an enumeration
900 * "bit-field", so it is OK if this situation ends up in a parsing
905 %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 CLOCK TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT TOK_ALIGN
906 %token <gs> IDENTIFIER ID_TYPE
912 struct gc_string *gs;
917 %type <gs> s_char s_char_sequence c_char c_char_sequence
919 %type <n> postfix_expression unary_expression unary_expression_or_range
921 %type <n> declaration
922 %type <n> event_declaration
923 %type <n> stream_declaration
924 %type <n> env_declaration
925 %type <n> trace_declaration
926 %type <n> clock_declaration
927 %type <n> integer_declaration_specifiers
928 %type <n> declaration_specifiers
929 %type <n> alias_declaration_specifiers
931 %type <n> type_declarator_list
932 %type <n> integer_type_specifier
933 %type <n> type_specifier
934 %type <n> struct_type_specifier
935 %type <n> variant_type_specifier
936 %type <n> enum_type_specifier
937 %type <n> struct_or_variant_declaration_list
938 %type <n> struct_or_variant_declaration
939 %type <n> struct_or_variant_declarator_list
940 %type <n> struct_or_variant_declarator
941 %type <n> enumerator_list
943 %type <n> abstract_declarator_list
944 %type <n> abstract_declarator
945 %type <n> direct_abstract_declarator
946 %type <n> alias_abstract_declarator_list
947 %type <n> alias_abstract_declarator
948 %type <n> direct_alias_abstract_declarator
950 %type <n> direct_declarator
951 %type <n> type_declarator
952 %type <n> direct_type_declarator
954 %type <n> ctf_assignment_expression_list
955 %type <n> ctf_assignment_expression
962 if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
963 reparent_error(scanner, "error reparenting to root");
967 if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
968 reparent_error(scanner, "error reparenting to root");
1032 | c_char_sequence c_char
1033 { $$ = gc_string_append(scanner, $1, $2); }
1041 reparent_error(scanner, "escape sequences not supported yet");
1045 /* 1.6 String literals */
1050 | s_char_sequence s_char
1051 { $$ = gc_string_append(scanner, $1, $2); }
1059 reparent_error(scanner, "escape sequences not supported yet");
1063 /* 2: Phrase structure grammar */
1068 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1069 $$->u.unary_expression.type = UNARY_STRING;
1070 $$->u.unary_expression.u.string = yylval.gs->s;
1074 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1075 $$->u.unary_expression.type = UNARY_STRING;
1076 $$->u.unary_expression.u.string = yylval.gs->s;
1080 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1081 $$->u.unary_expression.type = UNARY_STRING;
1082 $$->u.unary_expression.u.string = yylval.gs->s;
1086 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1087 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1088 sscanf(yylval.gs->s, "%" PRIu64,
1089 &$$->u.unary_expression.u.unsigned_constant);
1093 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1094 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1095 sscanf(yylval.gs->s, "0%" PRIo64,
1096 &$$->u.unary_expression.u.unsigned_constant);
1098 | HEXADECIMAL_CONSTANT
1100 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1101 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1102 sscanf(yylval.gs->s, "0x%" PRIx64,
1103 &$$->u.unary_expression.u.unsigned_constant);
1105 | STRING_LITERAL_START DQUOTE
1107 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1108 $$->u.unary_expression.type = UNARY_STRING;
1109 $$->u.unary_expression.u.string = "";
1111 | STRING_LITERAL_START s_char_sequence DQUOTE
1113 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1114 $$->u.unary_expression.type = UNARY_STRING;
1115 $$->u.unary_expression.u.string = $2->s;
1117 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
1119 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1120 $$->u.unary_expression.type = UNARY_STRING;
1121 $$->u.unary_expression.u.string = $2->s;
1123 | LPAREN unary_expression RPAREN
1125 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1126 $$->u.unary_expression.type = UNARY_NESTED;
1127 $$->u.unary_expression.u.nested_exp = $2;
1129 | postfix_expression LSBRAC unary_expression RSBRAC
1131 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1132 $$->u.unary_expression.type = UNARY_SBRAC;
1133 $$->u.unary_expression.u.sbrac_exp = $3;
1134 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1135 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1137 | postfix_expression DOT IDENTIFIER
1139 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1140 $$->u.unary_expression.type = UNARY_STRING;
1141 $$->u.unary_expression.u.string = yylval.gs->s;
1142 $$->u.unary_expression.link = UNARY_DOTLINK;
1143 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1144 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1146 | postfix_expression DOT ID_TYPE
1148 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1149 $$->u.unary_expression.type = UNARY_STRING;
1150 $$->u.unary_expression.u.string = yylval.gs->s;
1151 $$->u.unary_expression.link = UNARY_DOTLINK;
1152 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1153 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1155 | postfix_expression RARROW IDENTIFIER
1157 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1158 $$->u.unary_expression.type = UNARY_STRING;
1159 $$->u.unary_expression.u.string = yylval.gs->s;
1160 $$->u.unary_expression.link = UNARY_ARROWLINK;
1161 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1162 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1164 | postfix_expression RARROW ID_TYPE
1166 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1167 $$->u.unary_expression.type = UNARY_STRING;
1168 $$->u.unary_expression.u.string = yylval.gs->s;
1169 $$->u.unary_expression.link = UNARY_ARROWLINK;
1170 bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1171 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1178 | PLUS postfix_expression
1180 | MINUS postfix_expression
1183 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1184 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1185 reparent_error(scanner, "expecting numeric constant");
1187 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1188 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1189 $$->u.unary_expression.u.signed_constant =
1190 -($$->u.unary_expression.u.unsigned_constant);
1192 $$->u.unary_expression.u.signed_constant =
1193 -($$->u.unary_expression.u.signed_constant);
1198 unary_expression_or_range:
1199 unary_expression DOTDOTDOT unary_expression
1202 _bt_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1203 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
1209 /* 2.2: Declarations */
1212 declaration_specifiers SEMICOLON
1216 | stream_declaration
1224 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1226 struct ctf_node *list;
1228 $$ = make_node(scanner, NODE_TYPEDEF);
1229 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1230 $$->u._typedef.type_specifier_list = list;
1231 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1232 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1233 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
1235 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1237 struct ctf_node *list;
1239 $$ = make_node(scanner, NODE_TYPEDEF);
1240 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1241 $$->u._typedef.type_specifier_list = list;
1242 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1243 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1245 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
1247 struct ctf_node *list;
1249 $$ = make_node(scanner, NODE_TYPEDEF);
1250 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1251 $$->u._typedef.type_specifier_list = list;
1252 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1253 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1255 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
1257 struct ctf_node *list;
1259 $$ = make_node(scanner, NODE_TYPEALIAS);
1260 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1261 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1263 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1264 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1265 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1266 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1268 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1269 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1270 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1271 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1276 event_declaration_begin event_declaration_end
1278 $$ = make_node(scanner, NODE_EVENT);
1280 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
1282 $$ = make_node(scanner, NODE_EVENT);
1283 if (set_parent_node($2, $$))
1284 reparent_error(scanner, "event_declaration");
1288 event_declaration_begin:
1290 { push_scope(scanner); }
1293 event_declaration_end:
1295 { pop_scope(scanner); }
1300 stream_declaration_begin stream_declaration_end
1302 $$ = make_node(scanner, NODE_STREAM);
1304 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
1306 $$ = make_node(scanner, NODE_STREAM);
1307 if (set_parent_node($2, $$))
1308 reparent_error(scanner, "stream_declaration");
1312 stream_declaration_begin:
1314 { push_scope(scanner); }
1317 stream_declaration_end:
1319 { pop_scope(scanner); }
1323 env_declaration_begin env_declaration_end
1325 $$ = make_node(scanner, NODE_ENV);
1327 | env_declaration_begin ctf_assignment_expression_list env_declaration_end
1329 $$ = make_node(scanner, NODE_ENV);
1330 if (set_parent_node($2, $$))
1331 reparent_error(scanner, "env declaration");
1335 env_declaration_begin:
1337 { push_scope(scanner); }
1340 env_declaration_end:
1342 { pop_scope(scanner); }
1346 trace_declaration_begin trace_declaration_end
1348 $$ = make_node(scanner, NODE_TRACE);
1350 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
1352 $$ = make_node(scanner, NODE_TRACE);
1353 if (set_parent_node($2, $$))
1354 reparent_error(scanner, "trace_declaration");
1358 trace_declaration_begin:
1360 { push_scope(scanner); }
1363 trace_declaration_end:
1365 { pop_scope(scanner); }
1369 CLOCK clock_declaration_begin clock_declaration_end
1371 $$ = make_node(scanner, NODE_CLOCK);
1373 | CLOCK clock_declaration_begin ctf_assignment_expression_list clock_declaration_end
1375 $$ = make_node(scanner, NODE_CLOCK);
1376 if (set_parent_node($3, $$))
1377 reparent_error(scanner, "trace_declaration");
1381 clock_declaration_begin:
1383 { push_scope(scanner); }
1386 clock_declaration_end:
1388 { pop_scope(scanner); }
1391 integer_declaration_specifiers:
1394 struct ctf_node *node;
1396 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1397 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1398 node->u.type_specifier.type = TYPESPEC_CONST;
1399 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1401 | integer_type_specifier
1403 struct ctf_node *node;
1405 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1407 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1409 | integer_declaration_specifiers CONST
1411 struct ctf_node *node;
1414 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1415 node->u.type_specifier.type = TYPESPEC_CONST;
1416 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1418 | integer_declaration_specifiers integer_type_specifier
1421 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1425 declaration_specifiers:
1428 struct ctf_node *node;
1430 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1431 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1432 node->u.type_specifier.type = TYPESPEC_CONST;
1433 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1437 struct ctf_node *node;
1439 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1441 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1443 | declaration_specifiers CONST
1445 struct ctf_node *node;
1448 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1449 node->u.type_specifier.type = TYPESPEC_CONST;
1450 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1452 | declaration_specifiers type_specifier
1455 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1459 type_declarator_list:
1462 | type_declarator_list COMMA type_declarator
1465 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1469 integer_type_specifier:
1472 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1473 $$->u.type_specifier.type = TYPESPEC_CHAR;
1477 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1478 $$->u.type_specifier.type = TYPESPEC_SHORT;
1482 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1483 $$->u.type_specifier.type = TYPESPEC_INT;
1487 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1488 $$->u.type_specifier.type = TYPESPEC_LONG;
1492 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1493 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1497 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1498 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1502 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1503 $$->u.type_specifier.type = TYPESPEC_BOOL;
1507 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1508 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1509 $$->u.type_specifier.id_type = yylval.gs->s;
1511 | INTEGER LBRAC RBRAC
1513 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1514 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1515 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1517 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1519 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1520 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1521 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1522 if (set_parent_node($3, $$->u.type_specifier.node))
1523 reparent_error(scanner, "integer reparent error");
1530 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1531 $$->u.type_specifier.type = TYPESPEC_VOID;
1535 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1536 $$->u.type_specifier.type = TYPESPEC_CHAR;
1540 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1541 $$->u.type_specifier.type = TYPESPEC_SHORT;
1545 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1546 $$->u.type_specifier.type = TYPESPEC_INT;
1550 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1551 $$->u.type_specifier.type = TYPESPEC_LONG;
1555 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1556 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1560 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1561 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1565 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1566 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1570 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1571 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1575 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1576 $$->u.type_specifier.type = TYPESPEC_BOOL;
1580 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1581 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1585 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1586 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1590 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1591 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1592 $$->u.type_specifier.id_type = yylval.gs->s;
1594 | FLOATING_POINT LBRAC RBRAC
1596 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1597 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1598 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1600 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
1602 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1603 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1604 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1605 if (set_parent_node($3, $$->u.type_specifier.node))
1606 reparent_error(scanner, "floating point reparent error");
1608 | INTEGER LBRAC RBRAC
1610 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1611 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1612 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1614 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1616 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1617 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1618 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1619 if (set_parent_node($3, $$->u.type_specifier.node))
1620 reparent_error(scanner, "integer reparent error");
1624 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1625 $$->u.type_specifier.type = TYPESPEC_STRING;
1626 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1628 | STRING LBRAC RBRAC
1630 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1631 $$->u.type_specifier.type = TYPESPEC_STRING;
1632 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1634 | STRING LBRAC ctf_assignment_expression_list RBRAC
1636 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1637 $$->u.type_specifier.type = TYPESPEC_STRING;
1638 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1639 if (set_parent_node($3, $$->u.type_specifier.node))
1640 reparent_error(scanner, "string reparent error");
1642 | ENUM enum_type_specifier
1644 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1645 $$->u.type_specifier.type = TYPESPEC_ENUM;
1646 $$->u.type_specifier.node = $2;
1648 | VARIANT variant_type_specifier
1650 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1651 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1652 $$->u.type_specifier.node = $2;
1654 | STRUCT struct_type_specifier
1656 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1657 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1658 $$->u.type_specifier.node = $2;
1662 struct_type_specifier:
1663 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1665 $$ = make_node(scanner, NODE_STRUCT);
1666 $$->u._struct.has_body = 1;
1667 if ($2 && set_parent_node($2, $$))
1668 reparent_error(scanner, "struct reparent error");
1670 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1672 $$ = make_node(scanner, NODE_STRUCT);
1673 $$->u._struct.has_body = 1;
1674 $$->u._struct.name = $1->s;
1675 if ($3 && set_parent_node($3, $$))
1676 reparent_error(scanner, "struct reparent error");
1678 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1680 $$ = make_node(scanner, NODE_STRUCT);
1681 $$->u._struct.has_body = 1;
1682 $$->u._struct.name = $1->s;
1683 if ($3 && set_parent_node($3, $$))
1684 reparent_error(scanner, "struct reparent error");
1688 $$ = make_node(scanner, NODE_STRUCT);
1689 $$->u._struct.has_body = 0;
1690 $$->u._struct.name = $1->s;
1694 $$ = make_node(scanner, NODE_STRUCT);
1695 $$->u._struct.has_body = 0;
1696 $$->u._struct.name = $1->s;
1698 | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1700 $$ = make_node(scanner, NODE_STRUCT);
1701 $$->u._struct.has_body = 1;
1702 bt_list_add_tail(&($6)->siblings, &$$->u._struct.min_align);
1703 if ($2 && set_parent_node($2, $$))
1704 reparent_error(scanner, "struct reparent error");
1706 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1708 $$ = make_node(scanner, NODE_STRUCT);
1709 $$->u._struct.has_body = 1;
1710 $$->u._struct.name = $1->s;
1711 bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
1712 if ($3 && set_parent_node($3, $$))
1713 reparent_error(scanner, "struct reparent error");
1715 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
1717 $$ = make_node(scanner, NODE_STRUCT);
1718 $$->u._struct.has_body = 1;
1719 $$->u._struct.name = $1->s;
1720 bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
1721 if ($3 && set_parent_node($3, $$))
1722 reparent_error(scanner, "struct reparent error");
1726 struct_declaration_begin:
1728 { push_scope(scanner); }
1731 struct_declaration_end:
1733 { pop_scope(scanner); }
1736 variant_type_specifier:
1737 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1739 $$ = make_node(scanner, NODE_VARIANT);
1740 $$->u.variant.has_body = 1;
1741 if ($2 && set_parent_node($2, $$))
1742 reparent_error(scanner, "variant reparent error");
1744 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1746 $$ = make_node(scanner, NODE_VARIANT);
1747 $$->u.variant.has_body = 1;
1748 $$->u.variant.choice = $2->s;
1749 if ($5 && set_parent_node($5, $$))
1750 reparent_error(scanner, "variant reparent error");
1752 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1754 $$ = make_node(scanner, NODE_VARIANT);
1755 $$->u.variant.has_body = 1;
1756 $$->u.variant.choice = $2->s;
1757 if ($5 && set_parent_node($5, $$))
1758 reparent_error(scanner, "variant reparent error");
1760 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1762 $$ = make_node(scanner, NODE_VARIANT);
1763 $$->u.variant.has_body = 1;
1764 $$->u.variant.name = $1->s;
1765 if ($3 && set_parent_node($3, $$))
1766 reparent_error(scanner, "variant reparent error");
1768 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1770 $$ = make_node(scanner, NODE_VARIANT);
1771 $$->u.variant.has_body = 1;
1772 $$->u.variant.name = $1->s;
1773 $$->u.variant.choice = $3->s;
1774 if ($6 && set_parent_node($6, $$))
1775 reparent_error(scanner, "variant reparent error");
1777 | IDENTIFIER LT IDENTIFIER GT
1779 $$ = make_node(scanner, NODE_VARIANT);
1780 $$->u.variant.has_body = 0;
1781 $$->u.variant.name = $1->s;
1782 $$->u.variant.choice = $3->s;
1784 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1786 $$ = make_node(scanner, NODE_VARIANT);
1787 $$->u.variant.has_body = 1;
1788 $$->u.variant.name = $1->s;
1789 $$->u.variant.choice = $3->s;
1790 if ($6 && set_parent_node($6, $$))
1791 reparent_error(scanner, "variant reparent error");
1793 | IDENTIFIER LT ID_TYPE GT
1795 $$ = make_node(scanner, NODE_VARIANT);
1796 $$->u.variant.has_body = 0;
1797 $$->u.variant.name = $1->s;
1798 $$->u.variant.choice = $3->s;
1800 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1802 $$ = make_node(scanner, NODE_VARIANT);
1803 $$->u.variant.has_body = 1;
1804 $$->u.variant.name = $1->s;
1805 if ($3 && set_parent_node($3, $$))
1806 reparent_error(scanner, "variant reparent error");
1808 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1810 $$ = make_node(scanner, NODE_VARIANT);
1811 $$->u.variant.has_body = 1;
1812 $$->u.variant.name = $1->s;
1813 $$->u.variant.choice = $3->s;
1814 if ($6 && set_parent_node($6, $$))
1815 reparent_error(scanner, "variant reparent error");
1817 | ID_TYPE LT IDENTIFIER GT
1819 $$ = make_node(scanner, NODE_VARIANT);
1820 $$->u.variant.has_body = 0;
1821 $$->u.variant.name = $1->s;
1822 $$->u.variant.choice = $3->s;
1824 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1826 $$ = make_node(scanner, NODE_VARIANT);
1827 $$->u.variant.has_body = 1;
1828 $$->u.variant.name = $1->s;
1829 $$->u.variant.choice = $3->s;
1830 if ($6 && set_parent_node($6, $$))
1831 reparent_error(scanner, "variant reparent error");
1833 | ID_TYPE LT ID_TYPE GT
1835 $$ = make_node(scanner, NODE_VARIANT);
1836 $$->u.variant.has_body = 0;
1837 $$->u.variant.name = $1->s;
1838 $$->u.variant.choice = $3->s;
1842 variant_declaration_begin:
1844 { push_scope(scanner); }
1847 variant_declaration_end:
1849 { pop_scope(scanner); }
1852 enum_type_specifier:
1853 LBRAC enumerator_list RBRAC
1855 $$ = make_node(scanner, NODE_ENUM);
1856 $$->u._enum.has_body = 1;
1857 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1859 | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1861 $$ = make_node(scanner, NODE_ENUM);
1862 $$->u._enum.has_body = 1;
1863 ($$)->u._enum.container_type = $2;
1864 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
1866 | IDENTIFIER LBRAC enumerator_list RBRAC
1868 $$ = make_node(scanner, NODE_ENUM);
1869 $$->u._enum.has_body = 1;
1870 $$->u._enum.enum_id = $1->s;
1871 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1873 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1875 $$ = make_node(scanner, NODE_ENUM);
1876 $$->u._enum.has_body = 1;
1877 $$->u._enum.enum_id = $1->s;
1878 ($$)->u._enum.container_type = $3;
1879 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1881 | ID_TYPE LBRAC enumerator_list RBRAC
1883 $$ = make_node(scanner, NODE_ENUM);
1884 $$->u._enum.has_body = 1;
1885 $$->u._enum.enum_id = $1->s;
1886 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1888 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
1890 $$ = make_node(scanner, NODE_ENUM);
1891 $$->u._enum.has_body = 1;
1892 $$->u._enum.enum_id = $1->s;
1893 ($$)->u._enum.container_type = $3;
1894 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1896 | LBRAC enumerator_list COMMA RBRAC
1898 $$ = make_node(scanner, NODE_ENUM);
1899 $$->u._enum.has_body = 1;
1900 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1902 | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1904 $$ = make_node(scanner, NODE_ENUM);
1905 $$->u._enum.has_body = 1;
1906 ($$)->u._enum.container_type = $2;
1907 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
1909 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
1911 $$ = make_node(scanner, NODE_ENUM);
1912 $$->u._enum.has_body = 1;
1913 $$->u._enum.enum_id = $1->s;
1914 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1916 | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1918 $$ = make_node(scanner, NODE_ENUM);
1919 $$->u._enum.has_body = 1;
1920 $$->u._enum.enum_id = $1->s;
1921 ($$)->u._enum.container_type = $3;
1922 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1926 $$ = make_node(scanner, NODE_ENUM);
1927 $$->u._enum.has_body = 0;
1928 $$->u._enum.enum_id = $1->s;
1930 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
1932 $$ = make_node(scanner, NODE_ENUM);
1933 $$->u._enum.has_body = 1;
1934 $$->u._enum.enum_id = $1->s;
1935 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1937 | ID_TYPE COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
1939 $$ = make_node(scanner, NODE_ENUM);
1940 $$->u._enum.has_body = 1;
1941 $$->u._enum.enum_id = $1->s;
1942 ($$)->u._enum.container_type = $3;
1943 _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1947 $$ = make_node(scanner, NODE_ENUM);
1948 $$->u._enum.has_body = 0;
1949 $$->u._enum.enum_id = $1->s;
1953 struct_or_variant_declaration_list:
1956 | struct_or_variant_declaration_list struct_or_variant_declaration
1960 bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
1963 bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1968 struct_or_variant_declaration:
1969 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
1971 struct ctf_node *list;
1973 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1974 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1975 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
1976 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
1977 _bt_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
1979 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1981 struct ctf_node *list;
1983 $$ = make_node(scanner, NODE_TYPEDEF);
1984 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1985 $$->u._typedef.type_specifier_list = list;
1986 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1987 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1988 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
1990 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1992 struct ctf_node *list;
1994 $$ = make_node(scanner, NODE_TYPEDEF);
1995 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1996 $$->u._typedef.type_specifier_list = list;
1997 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1998 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2000 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
2002 struct ctf_node *list;
2004 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2005 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2006 $$ = make_node(scanner, NODE_TYPEDEF);
2007 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2008 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2010 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
2012 struct ctf_node *list;
2014 $$ = make_node(scanner, NODE_TYPEALIAS);
2015 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2016 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2018 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2019 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2020 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2021 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2023 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2024 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2025 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2026 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
2030 alias_declaration_specifiers:
2033 struct ctf_node *node;
2035 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2036 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2037 node->u.type_specifier.type = TYPESPEC_CONST;
2038 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2042 struct ctf_node *node;
2044 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2046 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2050 struct ctf_node *node;
2052 add_type(scanner, $1);
2053 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2054 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2055 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
2056 node->u.type_specifier.id_type = yylval.gs->s;
2057 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2059 | alias_declaration_specifiers CONST
2061 struct ctf_node *node;
2064 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2065 node->u.type_specifier.type = TYPESPEC_CONST;
2066 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2068 | alias_declaration_specifiers type_specifier
2071 bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
2073 | alias_declaration_specifiers IDENTIFIER
2075 struct ctf_node *node;
2077 add_type(scanner, $2);
2079 node = make_node(scanner, NODE_TYPE_SPECIFIER);
2080 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
2081 node->u.type_specifier.id_type = yylval.gs->s;
2082 bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
2086 struct_or_variant_declarator_list:
2087 struct_or_variant_declarator
2089 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
2092 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2096 struct_or_variant_declarator:
2099 | COLON unary_expression
2101 | declarator COLON unary_expression
2104 if (set_parent_node($3, $1))
2105 reparent_error(scanner, "struct_or_variant_declarator");
2112 | enumerator_list COMMA enumerator
2115 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2122 $$ = make_node(scanner, NODE_ENUMERATOR);
2123 $$->u.enumerator.id = $1->s;
2127 $$ = make_node(scanner, NODE_ENUMERATOR);
2128 $$->u.enumerator.id = $1->s;
2132 $$ = make_node(scanner, NODE_ENUMERATOR);
2133 $$->u.enumerator.id = $1->s;
2135 | STRING_LITERAL_START DQUOTE
2137 $$ = make_node(scanner, NODE_ENUMERATOR);
2138 $$->u.enumerator.id = "";
2140 | STRING_LITERAL_START s_char_sequence DQUOTE
2142 $$ = make_node(scanner, NODE_ENUMERATOR);
2143 $$->u.enumerator.id = $2->s;
2145 | IDENTIFIER EQUAL unary_expression_or_range
2147 $$ = make_node(scanner, NODE_ENUMERATOR);
2148 $$->u.enumerator.id = $1->s;
2149 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2151 | ID_TYPE EQUAL unary_expression_or_range
2153 $$ = make_node(scanner, NODE_ENUMERATOR);
2154 $$->u.enumerator.id = $1->s;
2155 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2157 | keywords EQUAL unary_expression_or_range
2159 $$ = make_node(scanner, NODE_ENUMERATOR);
2160 $$->u.enumerator.id = $1->s;
2161 bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
2163 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
2165 $$ = make_node(scanner, NODE_ENUMERATOR);
2166 $$->u.enumerator.id = "";
2167 bt_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
2169 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
2171 $$ = make_node(scanner, NODE_ENUMERATOR);
2172 $$->u.enumerator.id = $2->s;
2173 bt_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
2177 abstract_declarator_list:
2180 | abstract_declarator_list COMMA abstract_declarator
2183 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2187 abstract_declarator:
2188 direct_abstract_declarator
2190 | pointer direct_abstract_declarator
2193 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2197 direct_abstract_declarator:
2200 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2201 $$->u.type_declarator.type = TYPEDEC_ID;
2206 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2207 $$->u.type_declarator.type = TYPEDEC_ID;
2208 $$->u.type_declarator.u.id = $1->s;
2210 | LPAREN abstract_declarator RPAREN
2212 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2213 $$->u.type_declarator.type = TYPEDEC_NESTED;
2214 $$->u.type_declarator.u.nested.type_declarator = $2;
2216 | direct_abstract_declarator LSBRAC unary_expression RSBRAC
2218 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2219 $$->u.type_declarator.type = TYPEDEC_NESTED;
2220 $$->u.type_declarator.u.nested.type_declarator = $1;
2221 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2222 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2224 | direct_abstract_declarator LSBRAC RSBRAC
2226 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2227 $$->u.type_declarator.type = TYPEDEC_NESTED;
2228 $$->u.type_declarator.u.nested.type_declarator = $1;
2229 $$->u.type_declarator.u.nested.abstract_array = 1;
2233 alias_abstract_declarator_list:
2234 alias_abstract_declarator
2236 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2239 bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2243 alias_abstract_declarator:
2244 direct_alias_abstract_declarator
2246 | pointer direct_alias_abstract_declarator
2249 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2253 direct_alias_abstract_declarator:
2256 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2257 $$->u.type_declarator.type = TYPEDEC_ID;
2260 | LPAREN alias_abstract_declarator RPAREN
2262 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2263 $$->u.type_declarator.type = TYPEDEC_NESTED;
2264 $$->u.type_declarator.u.nested.type_declarator = $2;
2266 | direct_alias_abstract_declarator LSBRAC unary_expression RSBRAC
2268 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2269 $$->u.type_declarator.type = TYPEDEC_NESTED;
2270 $$->u.type_declarator.u.nested.type_declarator = $1;
2271 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2272 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2274 | direct_alias_abstract_declarator LSBRAC RSBRAC
2276 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2277 $$->u.type_declarator.type = TYPEDEC_NESTED;
2278 $$->u.type_declarator.u.nested.type_declarator = $1;
2279 $$->u.type_declarator.u.nested.abstract_array = 1;
2286 | pointer direct_declarator
2289 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2296 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2297 $$->u.type_declarator.type = TYPEDEC_ID;
2298 $$->u.type_declarator.u.id = $1->s;
2300 | LPAREN declarator RPAREN
2302 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2303 $$->u.type_declarator.type = TYPEDEC_NESTED;
2304 $$->u.type_declarator.u.nested.type_declarator = $2;
2306 | direct_declarator LSBRAC unary_expression RSBRAC
2308 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2309 $$->u.type_declarator.type = TYPEDEC_NESTED;
2310 $$->u.type_declarator.u.nested.type_declarator = $1;
2311 BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
2312 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
2317 direct_type_declarator
2319 | pointer direct_type_declarator
2322 bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2326 direct_type_declarator:
2329 add_type(scanner, $1);
2330 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2331 $$->u.type_declarator.type = TYPEDEC_ID;
2332 $$->u.type_declarator.u.id = $1->s;
2334 | LPAREN type_declarator RPAREN
2336 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2337 $$->u.type_declarator.type = TYPEDEC_NESTED;
2338 $$->u.type_declarator.u.nested.type_declarator = $2;
2340 | direct_type_declarator LSBRAC unary_expression RSBRAC
2342 $$ = 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);
2353 $$ = make_node(scanner, NODE_POINTER);
2357 $$ = make_node(scanner, NODE_POINTER);
2358 bt_list_splice(&($2)->tmp_head, &($$)->tmp_head);
2360 | STAR type_qualifier_list pointer
2362 $$ = make_node(scanner, NODE_POINTER);
2363 $$->u.pointer.const_qualifier = 1;
2364 bt_list_splice(&($3)->tmp_head, &($$)->tmp_head);
2368 type_qualifier_list:
2369 /* pointer assumes only const type qualifier */
2371 | type_qualifier_list CONST
2374 /* 2.3: CTF-specific declarations */
2376 ctf_assignment_expression_list:
2377 ctf_assignment_expression SEMICOLON
2379 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
2382 bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
2386 ctf_assignment_expression:
2387 unary_expression EQUAL unary_expression
2390 * Because we have left and right, cannot use
2393 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2394 _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2395 if ($1->u.unary_expression.type != UNARY_STRING)
2396 reparent_error(scanner, "ctf_assignment_expression left expects string");
2397 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
2399 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
2402 * Because we have left and right, cannot use
2405 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2406 _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2407 if ($1->u.unary_expression.type != UNARY_STRING)
2408 reparent_error(scanner, "ctf_assignment_expression left expects string");
2409 bt_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
2411 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
2413 struct ctf_node *list;
2415 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2416 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2417 _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2418 $$ = make_node(scanner, NODE_TYPEDEF);
2419 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2420 _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
2422 | TYPEDEF declaration_specifiers type_declarator_list
2424 struct ctf_node *list;
2426 $$ = make_node(scanner, NODE_TYPEDEF);
2427 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2428 $$->u._typedef.type_specifier_list = list;
2429 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2430 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2432 | declaration_specifiers TYPEDEF type_declarator_list
2434 struct ctf_node *list;
2436 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2437 _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2438 $$ = make_node(scanner, NODE_TYPEDEF);
2439 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2440 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2442 | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
2444 struct ctf_node *list;
2446 $$ = make_node(scanner, NODE_TYPEALIAS);
2447 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2448 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2450 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2451 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2452 _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2453 _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2455 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2456 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2457 _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2458 _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);