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 "ctf-scanner.h"
30 #include "ctf-parser.h"
34 * TODO: support enum, variant and struct declarations in scopes.
37 /* Join two lists, put "add" at the end of "head". */
39 _cds_list_splice_tail (struct cds_list_head *add, struct cds_list_head *head)
41 /* Do nothing if the list which gets added is empty. */
42 if (add != add->next) {
43 add->next->prev = head->prev;
44 add->prev->next = head;
45 head->prev->next = add->next;
46 head->prev = add->prev;
50 #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, ## args)
52 int yyparse(struct ctf_scanner *scanner);
53 int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
54 int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
55 int yylex_destroy(yyscan_t yyscanner) ;
56 void yyset_in(FILE * in_str, yyscan_t scanner);
61 struct cds_list_head gc;
66 static const char *node_type_to_str[] = {
67 [ NODE_UNKNOWN ] = "NODE_UNKNOWN",
68 [ NODE_ROOT ] = "NODE_ROOT",
69 [ NODE_EVENT ] = "NODE_EVENT",
70 [ NODE_STREAM ] = "NODE_STREAM",
71 [ NODE_TRACE ] = "NODE_TRACE",
72 [ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
73 [ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
74 [ NODE_TYPEDEF ] = "NODE_TYPEDEF",
75 [ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
76 [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
77 [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
78 [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
79 [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
80 [ NODE_POINTER ] = "NODE_POINTER",
81 [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
82 [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
83 [ NODE_INTEGER ] = "NODE_INTEGER",
84 [ NODE_STRING ] = "NODE_STRING",
85 [ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
86 [ NODE_ENUM ] = "NODE_ENUM",
87 [ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
88 [ NODE_VARIANT ] = "NODE_VARIANT",
89 [ NODE_STRUCT ] = "NODE_STRUCT",
92 const char *node_type(struct ctf_node *node)
94 if (node->type < NR_NODE_TYPES)
95 return node_type_to_str[node->type];
100 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
103 struct gc_string *gstr;
106 /* TODO: could be faster with find first bit or glib Gstring */
107 /* sizeof long to account for malloc header (int or long ?) */
108 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
111 gstr = malloc(alloclen);
112 cds_list_add(&gstr->gc, &scanner->allocated_strings);
113 gstr->alloclen = alloclen;
118 * note: never use gc_string_append on a string that has external references.
119 * gsrc will be garbage collected immediately, and gstr might be.
120 * Should only be used to append characters to a string literal or constant.
122 struct gc_string *gc_string_append(struct ctf_scanner *scanner,
123 struct gc_string *gstr,
124 struct gc_string *gsrc)
126 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
129 /* TODO: could be faster with find first bit or glib Gstring */
130 /* sizeof long to account for malloc header (int or long ?) */
131 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
134 if (alloclen > gstr->alloclen) {
135 struct gc_string *newgstr;
137 newgstr = gc_string_alloc(scanner, newlen);
138 strcpy(newgstr->s, gstr->s);
139 strcat(newgstr->s, gsrc->s);
140 cds_list_del(&gstr->gc);
144 strcat(gstr->s, gsrc->s);
146 cds_list_del(&gsrc->gc);
151 void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
153 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
154 strcpy(lvalp->gs->s, src);
157 static void init_scope(struct ctf_scanner_scope *scope,
158 struct ctf_scanner_scope *parent)
160 scope->parent = parent;
161 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
165 static void finalize_scope(struct ctf_scanner_scope *scope)
167 g_hash_table_destroy(scope->types);
170 static void push_scope(struct ctf_scanner *scanner)
172 struct ctf_scanner_scope *ns;
174 printf_dbg("push scope\n");
175 ns = malloc(sizeof(struct ctf_scanner_scope));
176 init_scope(ns, scanner->cs);
180 static void pop_scope(struct ctf_scanner *scanner)
182 struct ctf_scanner_scope *os;
184 printf_dbg("pop scope\n");
186 scanner->cs = os->parent;
191 static int lookup_type(struct ctf_scanner_scope *s, const char *id)
195 ret = (int) (long) g_hash_table_lookup(s->types, id);
196 printf_dbg("lookup %p %s %d\n", s, id, ret);
200 int is_type(struct ctf_scanner *scanner, const char *id)
202 struct ctf_scanner_scope *it;
205 for (it = scanner->cs; it != NULL; it = it->parent) {
206 if (lookup_type(it, id)) {
211 printf_dbg("is type %s %d\n", id, ret);
215 static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
217 printf_dbg("add type %s\n", id->s);
218 if (lookup_type(scanner->cs, id->s))
220 g_hash_table_insert(scanner->cs->types, id->s, id->s);
223 static struct ctf_node *make_node(struct ctf_scanner *scanner,
226 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
227 struct ctf_node *node;
229 node = malloc(sizeof(*node));
232 memset(node, 0, sizeof(*node));
234 CDS_INIT_LIST_HEAD(&node->tmp_head);
235 cds_list_add(&node->gc, &ast->allocated_nodes);
236 cds_list_add(&node->siblings, &node->tmp_head);
240 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
244 CDS_INIT_LIST_HEAD(&node->u.event.declaration_list);
247 CDS_INIT_LIST_HEAD(&node->u.stream.declaration_list);
250 CDS_INIT_LIST_HEAD(&node->u.trace.declaration_list);
253 case NODE_CTF_EXPRESSION:
254 CDS_INIT_LIST_HEAD(&node->u.ctf_expression.left);
255 CDS_INIT_LIST_HEAD(&node->u.ctf_expression.right);
257 case NODE_UNARY_EXPRESSION:
261 CDS_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
263 case NODE_TYPEALIAS_TARGET:
264 CDS_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
266 case NODE_TYPEALIAS_ALIAS:
267 CDS_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
272 case NODE_TYPE_SPECIFIER:
274 case NODE_TYPE_SPECIFIER_LIST:
275 CDS_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
279 case NODE_TYPE_DECLARATOR:
280 CDS_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
283 case NODE_FLOATING_POINT:
284 CDS_INIT_LIST_HEAD(&node->u.floating_point.expressions);
287 CDS_INIT_LIST_HEAD(&node->u.integer.expressions);
290 CDS_INIT_LIST_HEAD(&node->u.string.expressions);
292 case NODE_ENUMERATOR:
293 CDS_INIT_LIST_HEAD(&node->u.enumerator.values);
296 CDS_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
298 case NODE_STRUCT_OR_VARIANT_DECLARATION:
299 CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
302 CDS_INIT_LIST_HEAD(&node->u.variant.declaration_list);
305 CDS_INIT_LIST_HEAD(&node->u._struct.declaration_list);
310 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
318 static int reparent_ctf_expression(struct ctf_node *node,
319 struct ctf_node *parent)
321 switch (parent->type) {
323 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
326 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
329 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
331 case NODE_FLOATING_POINT:
332 _cds_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
335 _cds_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
338 _cds_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
342 case NODE_CTF_EXPRESSION:
344 case NODE_TYPEALIAS_TARGET:
345 case NODE_TYPEALIAS_ALIAS:
347 case NODE_TYPE_SPECIFIER:
348 case NODE_TYPE_SPECIFIER_LIST:
350 case NODE_TYPE_DECLARATOR:
351 case NODE_ENUMERATOR:
353 case NODE_STRUCT_OR_VARIANT_DECLARATION:
356 case NODE_UNARY_EXPRESSION:
361 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
368 static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
370 switch (parent->type) {
372 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
375 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
378 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
381 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
384 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
387 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
390 case NODE_FLOATING_POINT:
393 case NODE_CTF_EXPRESSION:
395 case NODE_TYPEALIAS_TARGET:
396 case NODE_TYPEALIAS_ALIAS:
398 case NODE_TYPE_SPECIFIER:
399 case NODE_TYPE_SPECIFIER_LIST:
401 case NODE_TYPE_DECLARATOR:
402 case NODE_ENUMERATOR:
404 case NODE_STRUCT_OR_VARIANT_DECLARATION:
405 case NODE_UNARY_EXPRESSION:
410 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
417 static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
419 switch (parent->type) {
421 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
424 _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
427 _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
430 _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
433 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
436 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
439 case NODE_FLOATING_POINT:
442 case NODE_CTF_EXPRESSION:
444 case NODE_TYPEALIAS_TARGET:
445 case NODE_TYPEALIAS_ALIAS:
447 case NODE_TYPE_SPECIFIER:
448 case NODE_TYPE_SPECIFIER_LIST:
450 case NODE_TYPE_DECLARATOR:
451 case NODE_ENUMERATOR:
453 case NODE_STRUCT_OR_VARIANT_DECLARATION:
454 case NODE_UNARY_EXPRESSION:
459 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
466 static int reparent_type_specifier(struct ctf_node *node,
467 struct ctf_node *parent)
469 switch (parent->type) {
470 case NODE_TYPE_SPECIFIER_LIST:
471 _cds_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
474 case NODE_TYPE_SPECIFIER:
481 case NODE_TYPEALIAS_TARGET:
482 case NODE_TYPEALIAS_ALIAS:
483 case NODE_TYPE_DECLARATOR:
485 case NODE_STRUCT_OR_VARIANT_DECLARATION:
487 case NODE_FLOATING_POINT:
490 case NODE_CTF_EXPRESSION:
492 case NODE_ENUMERATOR:
493 case NODE_UNARY_EXPRESSION:
498 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
505 static int reparent_type_specifier_list(struct ctf_node *node,
506 struct ctf_node *parent)
508 switch (parent->type) {
510 cds_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
513 cds_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
516 cds_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
519 cds_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
522 cds_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
525 cds_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
528 parent->u._typedef.type_specifier_list = node;
530 case NODE_TYPEALIAS_TARGET:
531 parent->u.typealias_target.type_specifier_list = node;
533 case NODE_TYPEALIAS_ALIAS:
534 parent->u.typealias_alias.type_specifier_list = node;
536 case NODE_TYPE_DECLARATOR:
537 parent->u.type_declarator.type = TYPEDEC_NESTED;
538 parent->u.type_declarator.u.nested.length = node;
541 parent->u._enum.container_type = node;
543 case NODE_STRUCT_OR_VARIANT_DECLARATION:
544 parent->u.struct_or_variant_declaration.type_specifier_list = node;
546 case NODE_TYPE_SPECIFIER:
548 case NODE_FLOATING_POINT:
551 case NODE_CTF_EXPRESSION:
553 case NODE_ENUMERATOR:
554 case NODE_UNARY_EXPRESSION:
559 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
566 static int reparent_type_declarator(struct ctf_node *node,
567 struct ctf_node *parent)
569 switch (parent->type) {
570 case NODE_TYPE_DECLARATOR:
571 parent->u.type_declarator.type = TYPEDEC_NESTED;
572 parent->u.type_declarator.u.nested.type_declarator = node;
574 case NODE_STRUCT_OR_VARIANT_DECLARATION:
575 _cds_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
578 _cds_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
580 case NODE_TYPEALIAS_TARGET:
581 _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
583 case NODE_TYPEALIAS_ALIAS:
584 _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_declarators);
595 case NODE_FLOATING_POINT:
598 case NODE_CTF_EXPRESSION:
599 case NODE_TYPE_SPECIFIER:
600 case NODE_TYPE_SPECIFIER_LIST:
602 case NODE_ENUMERATOR:
603 case NODE_UNARY_EXPRESSION:
608 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
618 * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
619 * create the link declared by the input, -ENOENT if node or parent is NULL,
620 * -EINVAL if there is an internal structure problem.
622 static int set_parent_node(struct ctf_node *node,
623 struct ctf_node *parent)
625 if (!node || !parent)
628 /* Note: Linking to parent will be done only by an external visitor */
630 switch (node->type) {
632 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
636 if (parent->type == NODE_ROOT) {
637 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.event);
643 if (parent->type == NODE_ROOT) {
644 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
650 if (parent->type == NODE_ROOT) {
651 _cds_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
657 case NODE_CTF_EXPRESSION:
658 return reparent_ctf_expression(node, parent);
659 case NODE_UNARY_EXPRESSION:
660 if (parent->type == NODE_TYPE_DECLARATOR)
661 parent->u.type_declarator.bitfield_len = node;
667 return reparent_typedef(node, parent);
668 case NODE_TYPEALIAS_TARGET:
669 if (parent->type == NODE_TYPEALIAS)
670 parent->u.typealias.target = node;
673 case NODE_TYPEALIAS_ALIAS:
674 if (parent->type == NODE_TYPEALIAS)
675 parent->u.typealias.alias = node;
679 return reparent_typealias(node, parent);
682 if (parent->type == NODE_TYPE_DECLARATOR) {
683 _cds_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
687 case NODE_TYPE_DECLARATOR:
688 return reparent_type_declarator(node, parent);
690 case NODE_TYPE_SPECIFIER_LIST:
691 return reparent_type_specifier_list(node, parent);
693 case NODE_TYPE_SPECIFIER:
694 return reparent_type_specifier(node, parent);
696 case NODE_FLOATING_POINT:
702 return -EINVAL; /* Dealt with internally within grammar */
704 case NODE_ENUMERATOR:
705 if (parent->type == NODE_ENUM) {
706 _cds_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
711 case NODE_STRUCT_OR_VARIANT_DECLARATION:
712 switch (parent->type) {
714 _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
717 _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
726 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
733 void yyerror(struct ctf_scanner *scanner, const char *str)
735 fprintf(stderr, "error %s\n", str);
743 #define reparent_error(scanner, str) \
745 yyerror(scanner, YY_("reparent_error: " str "\n")); \
749 static void free_strings(struct cds_list_head *list)
751 struct gc_string *gstr, *tmp;
753 cds_list_for_each_entry_safe(gstr, tmp, list, gc)
757 static struct ctf_ast *ctf_ast_alloc(void)
761 ast = malloc(sizeof(*ast));
764 memset(ast, 0, sizeof(*ast));
765 CDS_INIT_LIST_HEAD(&ast->allocated_nodes);
766 ast->root.type = NODE_ROOT;
767 CDS_INIT_LIST_HEAD(&ast->root.tmp_head);
768 CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
769 CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
770 CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
771 CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
775 static void ctf_ast_free(struct ctf_ast *ast)
777 struct ctf_node *node, *tmp;
779 cds_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
783 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
785 return yyparse(scanner);
788 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
790 struct ctf_scanner *scanner;
793 scanner = malloc(sizeof(*scanner));
796 memset(scanner, 0, sizeof(*scanner));
798 ret = yylex_init_extra(scanner, &scanner->scanner);
800 fprintf(stderr, "yylex_init error\n");
801 goto cleanup_scanner;
803 yyset_in(input, scanner);
805 scanner->ast = ctf_ast_alloc();
808 init_scope(&scanner->root_scope, NULL);
809 scanner->cs = &scanner->root_scope;
810 CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
815 ret = yylex_destroy(scanner->scanner);
817 fprintf(stderr, "yylex_destroy error\n");
823 void ctf_scanner_free(struct ctf_scanner *scanner)
827 finalize_scope(&scanner->root_scope);
828 free_strings(&scanner->allocated_strings);
829 ctf_ast_free(scanner->ast);
830 ret = yylex_destroy(scanner->scanner);
832 fprintf(stderr, "yylex_destroy error\n");
840 %parse-param {struct ctf_scanner *scanner}
841 %lex-param {struct ctf_scanner *scanner}
843 %token CHARACTER_CONSTANT_START SQUOTE STRING_LITERAL_START DQUOTE ESCSEQ CHAR_STRING_TOKEN LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT
844 %token <gs> IDENTIFIER ID_TYPE
850 struct gc_string *gs;
855 %type <gs> s_char s_char_sequence c_char c_char_sequence
857 %type <n> postfix_expression unary_expression unary_expression_or_range
859 %type <n> declaration
860 %type <n> event_declaration
861 %type <n> stream_declaration
862 %type <n> trace_declaration
863 %type <n> declaration_specifiers
864 %type <n> alias_declaration_specifiers
866 %type <n> type_declarator_list
867 %type <n> type_specifier
868 %type <n> struct_type_specifier
869 %type <n> variant_type_specifier
870 %type <n> declaration_specifiers_or_integer_constant
871 %type <n> enum_type_specifier
872 %type <n> struct_or_variant_declaration_list
873 %type <n> struct_or_variant_declaration
874 %type <n> struct_or_variant_declarator_list
875 %type <n> struct_or_variant_declarator
876 %type <n> enumerator_list
878 %type <n> abstract_declarator_list
879 %type <n> abstract_declarator
880 %type <n> direct_abstract_declarator
881 %type <n> alias_abstract_declarator_list
882 %type <n> alias_abstract_declarator
883 %type <n> direct_alias_abstract_declarator
885 %type <n> direct_declarator
886 %type <n> type_declarator
887 %type <n> direct_type_declarator
889 %type <n> ctf_assignment_expression_list
890 %type <n> ctf_assignment_expression
897 if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
898 reparent_error(scanner, "error reparenting to root");
902 if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
903 reparent_error(scanner, "error reparenting to root");
961 | c_char_sequence c_char
962 { $$ = gc_string_append(scanner, $1, $2); }
970 reparent_error(scanner, "escape sequences not supported yet");
974 /* 1.6 String literals */
979 | s_char_sequence s_char
980 { $$ = gc_string_append(scanner, $1, $2); }
988 reparent_error(scanner, "escape sequences not supported yet");
992 /* 2: Phrase structure grammar */
997 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
998 $$->u.unary_expression.type = UNARY_STRING;
999 $$->u.unary_expression.u.string = yylval.gs->s;
1003 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1004 $$->u.unary_expression.type = UNARY_STRING;
1005 $$->u.unary_expression.u.string = yylval.gs->s;
1009 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1010 $$->u.unary_expression.type = UNARY_STRING;
1011 $$->u.unary_expression.u.string = yylval.gs->s;
1016 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1017 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1018 sscanf(yylval.gs->s, "%" PRIu64,
1019 &$$->u.unary_expression.u.unsigned_constant);
1023 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1024 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1025 sscanf(yylval.gs->s, "0%" PRIo64,
1026 &$$->u.unary_expression.u.unsigned_constant);
1028 | HEXADECIMAL_CONSTANT
1030 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1031 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1032 sscanf(yylval.gs->s, "0x%" PRIx64,
1033 &$$->u.unary_expression.u.unsigned_constant);
1035 | STRING_LITERAL_START DQUOTE
1037 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1038 $$->u.unary_expression.type = UNARY_STRING;
1039 $$->u.unary_expression.u.string = "";
1041 | STRING_LITERAL_START s_char_sequence DQUOTE
1043 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1044 $$->u.unary_expression.type = UNARY_STRING;
1045 $$->u.unary_expression.u.string = $2->s;
1047 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
1049 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1050 $$->u.unary_expression.type = UNARY_STRING;
1051 $$->u.unary_expression.u.string = $2->s;
1053 | LPAREN unary_expression RPAREN
1055 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1056 $$->u.unary_expression.type = UNARY_NESTED;
1057 $$->u.unary_expression.u.nested_exp = $2;
1059 | postfix_expression LSBRAC unary_expression RSBRAC
1061 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1062 $$->u.unary_expression.type = UNARY_SBRAC;
1063 $$->u.unary_expression.u.sbrac_exp = $3;
1064 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1065 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1067 | postfix_expression DOT IDENTIFIER
1069 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1070 $$->u.unary_expression.type = UNARY_STRING;
1071 $$->u.unary_expression.u.string = yylval.gs->s;
1072 $$->u.unary_expression.link = UNARY_DOTLINK;
1073 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1074 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1076 | postfix_expression DOT ID_TYPE
1078 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1079 $$->u.unary_expression.type = UNARY_STRING;
1080 $$->u.unary_expression.u.string = yylval.gs->s;
1081 $$->u.unary_expression.link = UNARY_DOTLINK;
1082 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1083 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1085 | postfix_expression RARROW IDENTIFIER
1087 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1088 $$->u.unary_expression.type = UNARY_STRING;
1089 $$->u.unary_expression.u.string = yylval.gs->s;
1090 $$->u.unary_expression.link = UNARY_ARROWLINK;
1091 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1092 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1094 | postfix_expression RARROW ID_TYPE
1096 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1097 $$->u.unary_expression.type = UNARY_STRING;
1098 $$->u.unary_expression.u.string = yylval.gs->s;
1099 $$->u.unary_expression.link = UNARY_ARROWLINK;
1100 cds_list_splice(&($1)->tmp_head, &($$)->tmp_head);
1101 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1108 | PLUS postfix_expression
1110 | MINUS postfix_expression
1113 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1114 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1115 reparent_error(scanner, "expecting numeric constant");
1117 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1118 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1119 $$->u.unary_expression.u.signed_constant =
1120 -($$->u.unary_expression.u.unsigned_constant);
1122 $$->u.unary_expression.u.signed_constant =
1123 -($$->u.unary_expression.u.signed_constant);
1128 unary_expression_or_range:
1129 unary_expression DOTDOTDOT unary_expression
1132 _cds_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
1133 $3->u.unary_expression.link = UNARY_DOTDOTDOT;
1139 /* 2.2: Declarations */
1142 declaration_specifiers SEMICOLON
1146 | stream_declaration
1150 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1152 struct ctf_node *list;
1154 $$ = make_node(scanner, NODE_TYPEDEF);
1155 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1156 $$->u._typedef.type_specifier_list = list;
1157 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1158 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1159 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
1161 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1163 struct ctf_node *list;
1165 $$ = make_node(scanner, NODE_TYPEDEF);
1166 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1167 $$->u._typedef.type_specifier_list = list;
1168 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1169 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1171 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
1173 struct ctf_node *list;
1175 $$ = make_node(scanner, NODE_TYPEDEF);
1176 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1177 $$->u._typedef.type_specifier_list = list;
1178 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1179 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1181 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
1183 struct ctf_node *list;
1185 $$ = make_node(scanner, NODE_TYPEALIAS);
1186 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1187 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1189 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1190 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1191 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1192 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1194 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1195 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1196 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1197 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1202 event_declaration_begin event_declaration_end
1204 $$ = make_node(scanner, NODE_EVENT);
1206 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
1208 $$ = make_node(scanner, NODE_EVENT);
1209 if (set_parent_node($2, $$))
1210 reparent_error(scanner, "event_declaration");
1214 event_declaration_begin:
1216 { push_scope(scanner); }
1219 event_declaration_end:
1221 { pop_scope(scanner); }
1226 stream_declaration_begin stream_declaration_end
1228 $$ = make_node(scanner, NODE_STREAM);
1230 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
1232 $$ = make_node(scanner, NODE_STREAM);
1233 if (set_parent_node($2, $$))
1234 reparent_error(scanner, "stream_declaration");
1238 stream_declaration_begin:
1240 { push_scope(scanner); }
1243 stream_declaration_end:
1245 { pop_scope(scanner); }
1250 trace_declaration_begin trace_declaration_end
1252 $$ = make_node(scanner, NODE_TRACE);
1254 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
1256 $$ = make_node(scanner, NODE_TRACE);
1257 if (set_parent_node($2, $$))
1258 reparent_error(scanner, "trace_declaration");
1262 trace_declaration_begin:
1264 { push_scope(scanner); }
1267 trace_declaration_end:
1269 { pop_scope(scanner); }
1272 declaration_specifiers:
1275 struct ctf_node *node;
1277 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1278 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1279 node->u.type_specifier.type = TYPESPEC_CONST;
1280 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1284 struct ctf_node *node;
1286 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1288 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1290 | declaration_specifiers CONST
1292 struct ctf_node *node;
1295 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1296 node->u.type_specifier.type = TYPESPEC_CONST;
1297 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1299 | declaration_specifiers type_specifier
1302 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1306 type_declarator_list:
1309 | type_declarator_list COMMA type_declarator
1312 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1319 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1320 $$->u.type_specifier.type = TYPESPEC_VOID;
1324 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1325 $$->u.type_specifier.type = TYPESPEC_CHAR;
1329 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1330 $$->u.type_specifier.type = TYPESPEC_SHORT;
1334 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1335 $$->u.type_specifier.type = TYPESPEC_INT;
1339 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1340 $$->u.type_specifier.type = TYPESPEC_LONG;
1344 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1345 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1349 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1350 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1354 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1355 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1359 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1360 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1364 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1365 $$->u.type_specifier.type = TYPESPEC_BOOL;
1369 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1370 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1374 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1375 $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
1379 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1380 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1381 $$->u.type_specifier.id_type = yylval.gs->s;
1383 | FLOATING_POINT LBRAC RBRAC
1385 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1386 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1387 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1389 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
1391 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1392 $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
1393 $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
1394 if (set_parent_node($3, $$->u.type_specifier.node))
1395 reparent_error(scanner, "floating point reparent error");
1397 | INTEGER LBRAC RBRAC
1399 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1400 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1401 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1403 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1405 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1406 $$->u.type_specifier.type = TYPESPEC_INTEGER;
1407 $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
1408 if (set_parent_node($3, $$->u.type_specifier.node))
1409 reparent_error(scanner, "integer reparent error");
1411 | STRING LBRAC RBRAC
1413 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1414 $$->u.type_specifier.type = TYPESPEC_STRING;
1415 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1417 | STRING LBRAC ctf_assignment_expression_list RBRAC
1419 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1420 $$->u.type_specifier.type = TYPESPEC_STRING;
1421 $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
1422 if (set_parent_node($3, $$->u.type_specifier.node))
1423 reparent_error(scanner, "string reparent error");
1425 | ENUM enum_type_specifier
1427 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1428 $$->u.type_specifier.type = TYPESPEC_ENUM;
1429 $$->u.type_specifier.node = $2;
1431 | VARIANT variant_type_specifier
1433 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1434 $$->u.type_specifier.type = TYPESPEC_VARIANT;
1435 $$->u.type_specifier.node = $2;
1437 | STRUCT struct_type_specifier
1439 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1440 $$->u.type_specifier.type = TYPESPEC_STRUCT;
1441 $$->u.type_specifier.node = $2;
1445 struct_type_specifier:
1446 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1448 $$ = make_node(scanner, NODE_STRUCT);
1449 $$->u._struct.has_body = 1;
1450 if (set_parent_node($2, $$))
1451 reparent_error(scanner, "struct reparent error");
1453 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1455 $$ = make_node(scanner, NODE_STRUCT);
1456 $$->u._struct.has_body = 1;
1457 $$->u._struct.name = $1->s;
1458 if (set_parent_node($3, $$))
1459 reparent_error(scanner, "struct reparent error");
1461 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1463 $$ = make_node(scanner, NODE_STRUCT);
1464 $$->u._struct.has_body = 1;
1465 $$->u._struct.name = $1->s;
1466 if (set_parent_node($3, $$))
1467 reparent_error(scanner, "struct reparent error");
1471 $$ = make_node(scanner, NODE_STRUCT);
1472 $$->u._struct.has_body = 0;
1473 $$->u._struct.name = $1->s;
1477 $$ = make_node(scanner, NODE_STRUCT);
1478 $$->u._struct.has_body = 0;
1479 $$->u._struct.name = $1->s;
1483 struct_declaration_begin:
1485 { push_scope(scanner); }
1488 struct_declaration_end:
1490 { pop_scope(scanner); }
1493 variant_type_specifier:
1494 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1496 $$ = make_node(scanner, NODE_VARIANT);
1497 $$->u.variant.has_body = 1;
1498 if (set_parent_node($2, $$))
1499 reparent_error(scanner, "variant reparent error");
1501 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1503 $$ = make_node(scanner, NODE_VARIANT);
1504 $$->u.variant.has_body = 1;
1505 $$->u.variant.choice = $2->s;
1506 if (set_parent_node($5, $$))
1507 reparent_error(scanner, "variant reparent error");
1509 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1511 $$ = make_node(scanner, NODE_VARIANT);
1512 $$->u.variant.has_body = 1;
1513 $$->u.variant.choice = $2->s;
1514 if (set_parent_node($5, $$))
1515 reparent_error(scanner, "variant reparent error");
1517 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1519 $$ = make_node(scanner, NODE_VARIANT);
1520 $$->u.variant.has_body = 1;
1521 $$->u.variant.name = $1->s;
1522 if (set_parent_node($3, $$))
1523 reparent_error(scanner, "variant reparent error");
1525 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1527 $$ = make_node(scanner, NODE_VARIANT);
1528 $$->u.variant.has_body = 1;
1529 $$->u.variant.name = $1->s;
1530 $$->u.variant.choice = $3->s;
1531 if (set_parent_node($6, $$))
1532 reparent_error(scanner, "variant reparent error");
1534 | IDENTIFIER LT IDENTIFIER GT
1536 $$ = make_node(scanner, NODE_VARIANT);
1537 $$->u.variant.has_body = 0;
1538 $$->u.variant.name = $1->s;
1539 $$->u.variant.choice = $3->s;
1541 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1543 $$ = make_node(scanner, NODE_VARIANT);
1544 $$->u.variant.has_body = 1;
1545 $$->u.variant.name = $1->s;
1546 $$->u.variant.choice = $3->s;
1547 if (set_parent_node($6, $$))
1548 reparent_error(scanner, "variant reparent error");
1550 | IDENTIFIER LT ID_TYPE GT
1552 $$ = make_node(scanner, NODE_VARIANT);
1553 $$->u.variant.has_body = 0;
1554 $$->u.variant.name = $1->s;
1555 $$->u.variant.choice = $3->s;
1557 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1559 $$ = make_node(scanner, NODE_VARIANT);
1560 $$->u.variant.has_body = 1;
1561 $$->u.variant.name = $1->s;
1562 if (set_parent_node($3, $$))
1563 reparent_error(scanner, "variant reparent error");
1565 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1567 $$ = make_node(scanner, NODE_VARIANT);
1568 $$->u.variant.has_body = 1;
1569 $$->u.variant.name = $1->s;
1570 $$->u.variant.choice = $3->s;
1571 if (set_parent_node($6, $$))
1572 reparent_error(scanner, "variant reparent error");
1574 | ID_TYPE LT IDENTIFIER GT
1576 $$ = make_node(scanner, NODE_VARIANT);
1577 $$->u.variant.has_body = 0;
1578 $$->u.variant.name = $1->s;
1579 $$->u.variant.choice = $3->s;
1581 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1583 $$ = make_node(scanner, NODE_VARIANT);
1584 $$->u.variant.has_body = 1;
1585 $$->u.variant.name = $1->s;
1586 $$->u.variant.choice = $3->s;
1587 if (set_parent_node($6, $$))
1588 reparent_error(scanner, "variant reparent error");
1590 | ID_TYPE LT ID_TYPE GT
1592 $$ = make_node(scanner, NODE_VARIANT);
1593 $$->u.variant.has_body = 0;
1594 $$->u.variant.name = $1->s;
1595 $$->u.variant.choice = $3->s;
1599 variant_declaration_begin:
1601 { push_scope(scanner); }
1604 variant_declaration_end:
1606 { pop_scope(scanner); }
1609 declaration_specifiers_or_integer_constant:
1610 declaration_specifiers
1614 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1615 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1616 sscanf(yylval.gs->s, "%" PRIu64,
1617 &$$->u.unary_expression.u.unsigned_constant);
1621 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1622 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1623 sscanf(yylval.gs->s, "0%" PRIo64,
1624 &$$->u.unary_expression.u.unsigned_constant);
1626 | HEXADECIMAL_CONSTANT
1628 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1629 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1630 sscanf(yylval.gs->s, "0x%" PRIx64,
1631 &$$->u.unary_expression.u.unsigned_constant);
1635 enum_type_specifier:
1636 LBRAC enumerator_list RBRAC
1638 $$ = make_node(scanner, NODE_ENUM);
1639 $$->u._enum.has_body = 1;
1640 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1642 | LT declaration_specifiers GT LBRAC enumerator_list RBRAC
1644 $$ = make_node(scanner, NODE_ENUM);
1645 $$->u._enum.has_body = 1;
1646 ($$)->u._enum.container_type = $2;
1647 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1649 | IDENTIFIER LBRAC enumerator_list RBRAC
1651 $$ = make_node(scanner, NODE_ENUM);
1652 $$->u._enum.has_body = 1;
1653 $$->u._enum.enum_id = $1->s;
1654 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1656 | IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list RBRAC
1658 $$ = make_node(scanner, NODE_ENUM);
1659 $$->u._enum.has_body = 1;
1660 $$->u._enum.enum_id = $1->s;
1661 ($$)->u._enum.container_type = $3;
1662 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
1664 | ID_TYPE LBRAC enumerator_list RBRAC
1666 $$ = make_node(scanner, NODE_ENUM);
1667 $$->u._enum.has_body = 1;
1668 $$->u._enum.enum_id = $1->s;
1669 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1671 | ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list RBRAC
1673 $$ = make_node(scanner, NODE_ENUM);
1674 $$->u._enum.has_body = 1;
1675 $$->u._enum.enum_id = $1->s;
1676 ($$)->u._enum.container_type = $3;
1677 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
1679 | LBRAC enumerator_list COMMA RBRAC
1681 $$ = make_node(scanner, NODE_ENUM);
1682 $$->u._enum.has_body = 1;
1683 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
1685 | LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
1687 $$ = make_node(scanner, NODE_ENUM);
1688 $$->u._enum.has_body = 1;
1689 ($$)->u._enum.container_type = $2;
1690 _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
1692 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
1694 $$ = make_node(scanner, NODE_ENUM);
1695 $$->u._enum.has_body = 1;
1696 $$->u._enum.enum_id = $1->s;
1697 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1699 | IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
1701 $$ = make_node(scanner, NODE_ENUM);
1702 $$->u._enum.has_body = 1;
1703 $$->u._enum.enum_id = $1->s;
1704 ($$)->u._enum.container_type = $3;
1705 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
1709 $$ = make_node(scanner, NODE_ENUM);
1710 $$->u._enum.has_body = 0;
1711 $$->u._enum.enum_id = $1->s;
1713 | IDENTIFIER LT declaration_specifiers GT
1715 $$ = make_node(scanner, NODE_ENUM);
1716 $$->u._enum.has_body = 0;
1717 $$->u._enum.enum_id = $1->s;
1718 ($$)->u._enum.container_type = $3;
1720 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
1722 $$ = make_node(scanner, NODE_ENUM);
1723 $$->u._enum.has_body = 1;
1724 $$->u._enum.enum_id = $1->s;
1725 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
1727 | ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
1729 $$ = make_node(scanner, NODE_ENUM);
1730 $$->u._enum.has_body = 1;
1731 $$->u._enum.enum_id = $1->s;
1732 ($$)->u._enum.container_type = $3;
1733 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
1737 $$ = make_node(scanner, NODE_ENUM);
1738 $$->u._enum.has_body = 0;
1739 $$->u._enum.enum_id = $1->s;
1741 | ID_TYPE LT declaration_specifiers GT
1743 $$ = make_node(scanner, NODE_ENUM);
1744 $$->u._enum.has_body = 0;
1745 $$->u._enum.enum_id = $1->s;
1746 ($$)->u._enum.container_type = $3;
1750 struct_or_variant_declaration_list:
1753 | struct_or_variant_declaration_list struct_or_variant_declaration
1757 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
1760 cds_list_add_tail(&($$)->siblings, &($$)->tmp_head);
1765 struct_or_variant_declaration:
1766 declaration_specifiers struct_or_variant_declarator_list SEMICOLON
1768 struct ctf_node *list;
1770 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1771 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1772 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
1773 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
1774 _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
1776 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1778 struct ctf_node *list;
1780 $$ = make_node(scanner, NODE_TYPEDEF);
1781 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1782 $$->u._typedef.type_specifier_list = list;
1783 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1784 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1785 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
1787 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1789 struct ctf_node *list;
1791 $$ = make_node(scanner, NODE_TYPEDEF);
1792 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1793 $$->u._typedef.type_specifier_list = list;
1794 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1795 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1797 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
1799 struct ctf_node *list;
1801 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1802 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1803 $$ = make_node(scanner, NODE_TYPEDEF);
1804 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
1805 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
1807 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
1809 struct ctf_node *list;
1811 $$ = make_node(scanner, NODE_TYPEALIAS);
1812 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1813 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1815 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1816 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
1817 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1818 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1820 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1821 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
1822 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
1823 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1827 alias_declaration_specifiers:
1830 struct ctf_node *node;
1832 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1833 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1834 node->u.type_specifier.type = TYPESPEC_CONST;
1835 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1839 struct ctf_node *node;
1841 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1843 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1847 struct ctf_node *node;
1849 add_type(scanner, $1);
1850 $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
1851 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1852 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1853 node->u.type_specifier.id_type = yylval.gs->s;
1854 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1856 | alias_declaration_specifiers CONST
1858 struct ctf_node *node;
1861 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1862 node->u.type_specifier.type = TYPESPEC_CONST;
1863 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1865 | alias_declaration_specifiers type_specifier
1868 cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
1870 | alias_declaration_specifiers IDENTIFIER
1872 struct ctf_node *node;
1874 add_type(scanner, $2);
1876 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1877 node->u.type_specifier.type = TYPESPEC_ID_TYPE;
1878 node->u.type_specifier.id_type = yylval.gs->s;
1879 cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
1883 struct_or_variant_declarator_list:
1884 struct_or_variant_declarator
1886 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
1889 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1893 struct_or_variant_declarator:
1896 | COLON unary_expression
1898 | declarator COLON unary_expression
1901 if (set_parent_node($3, $1))
1902 reparent_error(scanner, "struct_or_variant_declarator");
1909 | enumerator_list COMMA enumerator
1912 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1919 $$ = make_node(scanner, NODE_ENUMERATOR);
1920 $$->u.enumerator.id = $1->s;
1924 $$ = make_node(scanner, NODE_ENUMERATOR);
1925 $$->u.enumerator.id = $1->s;
1929 $$ = make_node(scanner, NODE_ENUMERATOR);
1930 $$->u.enumerator.id = $1->s;
1932 | STRING_LITERAL_START DQUOTE
1934 $$ = make_node(scanner, NODE_ENUMERATOR);
1935 $$->u.enumerator.id = "";
1937 | STRING_LITERAL_START s_char_sequence DQUOTE
1939 $$ = make_node(scanner, NODE_ENUMERATOR);
1940 $$->u.enumerator.id = $2->s;
1942 | IDENTIFIER EQUAL unary_expression_or_range
1944 $$ = make_node(scanner, NODE_ENUMERATOR);
1945 $$->u.enumerator.id = $1->s;
1946 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
1948 | ID_TYPE EQUAL unary_expression_or_range
1950 $$ = make_node(scanner, NODE_ENUMERATOR);
1951 $$->u.enumerator.id = $1->s;
1952 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
1954 | keywords EQUAL unary_expression_or_range
1956 $$ = make_node(scanner, NODE_ENUMERATOR);
1957 $$->u.enumerator.id = $1->s;
1958 cds_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
1960 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
1962 $$ = make_node(scanner, NODE_ENUMERATOR);
1963 $$->u.enumerator.id = "";
1964 cds_list_splice(&($4)->tmp_head, &($$)->u.enumerator.values);
1966 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
1968 $$ = make_node(scanner, NODE_ENUMERATOR);
1969 $$->u.enumerator.id = $2->s;
1970 cds_list_splice(&($5)->tmp_head, &($$)->u.enumerator.values);
1974 abstract_declarator_list:
1977 | abstract_declarator_list COMMA abstract_declarator
1980 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
1984 abstract_declarator:
1985 direct_abstract_declarator
1987 | pointer direct_abstract_declarator
1990 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
1994 direct_abstract_declarator:
1997 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1998 $$->u.type_declarator.type = TYPEDEC_ID;
2003 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2004 $$->u.type_declarator.type = TYPEDEC_ID;
2005 $$->u.type_declarator.u.id = $1->s;
2007 | LPAREN abstract_declarator RPAREN
2009 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2010 $$->u.type_declarator.type = TYPEDEC_NESTED;
2011 $$->u.type_declarator.u.nested.type_declarator = $2;
2013 | direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
2015 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2016 $$->u.type_declarator.type = TYPEDEC_NESTED;
2017 $$->u.type_declarator.u.nested.type_declarator = $1;
2018 ($$)->u.type_declarator.u.nested.length = $3;
2020 | direct_abstract_declarator LSBRAC RSBRAC
2022 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2023 $$->u.type_declarator.type = TYPEDEC_NESTED;
2024 $$->u.type_declarator.u.nested.type_declarator = $1;
2025 $$->u.type_declarator.u.nested.abstract_array = 1;
2029 alias_abstract_declarator_list:
2030 alias_abstract_declarator
2032 | alias_abstract_declarator_list COMMA alias_abstract_declarator
2035 cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
2039 alias_abstract_declarator:
2040 direct_alias_abstract_declarator
2042 | pointer direct_alias_abstract_declarator
2045 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2049 direct_alias_abstract_declarator:
2052 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2053 $$->u.type_declarator.type = TYPEDEC_ID;
2056 | LPAREN alias_abstract_declarator RPAREN
2058 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2059 $$->u.type_declarator.type = TYPEDEC_NESTED;
2060 $$->u.type_declarator.u.nested.type_declarator = $2;
2062 | direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
2064 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2065 $$->u.type_declarator.type = TYPEDEC_NESTED;
2066 $$->u.type_declarator.u.nested.type_declarator = $1;
2067 ($$)->u.type_declarator.u.nested.length = $3;
2069 | direct_alias_abstract_declarator LSBRAC RSBRAC
2071 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2072 $$->u.type_declarator.type = TYPEDEC_NESTED;
2073 $$->u.type_declarator.u.nested.type_declarator = $1;
2074 $$->u.type_declarator.u.nested.abstract_array = 1;
2081 | pointer direct_declarator
2084 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2091 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2092 $$->u.type_declarator.type = TYPEDEC_ID;
2093 $$->u.type_declarator.u.id = $1->s;
2095 | LPAREN declarator RPAREN
2097 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2098 $$->u.type_declarator.type = TYPEDEC_NESTED;
2099 $$->u.type_declarator.u.nested.type_declarator = $2;
2101 | direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
2103 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2104 $$->u.type_declarator.type = TYPEDEC_NESTED;
2105 $$->u.type_declarator.u.nested.type_declarator = $1;
2106 ($$)->u.type_declarator.u.nested.length = $3;
2111 direct_type_declarator
2113 | pointer direct_type_declarator
2116 cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
2120 direct_type_declarator:
2123 add_type(scanner, $1);
2124 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2125 $$->u.type_declarator.type = TYPEDEC_ID;
2126 $$->u.type_declarator.u.id = $1->s;
2128 | LPAREN type_declarator RPAREN
2130 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2131 $$->u.type_declarator.type = TYPEDEC_NESTED;
2132 $$->u.type_declarator.u.nested.type_declarator = $2;
2134 | direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
2136 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
2137 $$->u.type_declarator.type = TYPEDEC_NESTED;
2138 $$->u.type_declarator.u.nested.type_declarator = $1;
2139 ($$)->u.type_declarator.u.nested.length = $3;
2146 $$ = make_node(scanner, NODE_POINTER);
2150 $$ = make_node(scanner, NODE_POINTER);
2151 cds_list_splice(&($2)->tmp_head, &($$)->tmp_head);
2153 | STAR type_qualifier_list pointer
2155 $$ = make_node(scanner, NODE_POINTER);
2156 $$->u.pointer.const_qualifier = 1;
2157 cds_list_splice(&($3)->tmp_head, &($$)->tmp_head);
2161 type_qualifier_list:
2162 /* pointer assumes only const type qualifier */
2164 | type_qualifier_list CONST
2167 /* 2.3: CTF-specific declarations */
2169 ctf_assignment_expression_list:
2170 ctf_assignment_expression SEMICOLON
2172 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
2175 cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
2179 ctf_assignment_expression:
2180 unary_expression EQUAL unary_expression
2183 * Because we have left and right, cannot use
2186 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2187 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2188 if ($1->u.unary_expression.type != UNARY_STRING)
2189 reparent_error(scanner, "ctf_assignment_expression left expects string");
2190 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
2192 | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
2195 * Because we have left and right, cannot use
2198 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
2199 _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
2200 if ($1->u.unary_expression.type != UNARY_STRING)
2201 reparent_error(scanner, "ctf_assignment_expression left expects string");
2202 cds_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
2204 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
2206 struct ctf_node *list;
2208 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2209 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2210 _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2211 $$ = make_node(scanner, NODE_TYPEDEF);
2212 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2213 _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
2215 | TYPEDEF declaration_specifiers type_declarator_list
2217 struct ctf_node *list;
2219 $$ = make_node(scanner, NODE_TYPEDEF);
2220 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2221 $$->u._typedef.type_specifier_list = list;
2222 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2223 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2225 | declaration_specifiers TYPEDEF type_declarator_list
2227 struct ctf_node *list;
2229 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2230 _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2231 $$ = make_node(scanner, NODE_TYPEDEF);
2232 ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
2233 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
2235 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list
2237 struct ctf_node *list;
2239 $$ = make_node(scanner, NODE_TYPEALIAS);
2240 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
2241 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
2243 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2244 $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
2245 _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2246 _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
2248 list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
2249 $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
2250 _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
2251 _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);