5 * Common Trace Format Metadata Grammar.
7 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * Permission is hereby granted, free of charge, to any person obtaining a copy
10 * of this software and associated documentation files (the "Software"), to deal
11 * in the Software without restriction, including without limitation the rights
12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 * copies of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included in
17 * all copies or substantial portions of the Software.
25 #include <helpers/list.h>
28 #include "ctf-scanner.h"
29 #include "ctf-parser.h"
32 #define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, ## args)
34 int yyparse(struct ctf_scanner *scanner);
35 int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
36 int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
37 int yylex_destroy(yyscan_t yyscanner) ;
38 void yyset_in(FILE * in_str, yyscan_t scanner);
43 struct cds_list_head gc;
48 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
51 struct gc_string *gstr;
54 /* TODO: could be faster with find first bit or glib Gstring */
55 /* sizeof long to account for malloc header (int or long ?) */
56 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + len;
59 gstr = malloc(alloclen);
60 cds_list_add(&gstr->gc, &scanner->allocated_strings);
61 gstr->alloclen = alloclen;
66 * note: never use gc_string_append on a string that has external references.
67 * gsrc will be garbage collected immediately, and gstr might be.
68 * Should only be used to append characters to a string literal or constant.
70 struct gc_string *gc_string_append(struct ctf_scanner *scanner,
71 struct gc_string *gstr,
72 struct gc_string *gsrc)
74 size_t newlen = strlen(gsrc->s) + strlen(gstr->s) + 1;
77 /* TODO: could be faster with find first bit or glib Gstring */
78 /* sizeof long to account for malloc header (int or long ?) */
79 for (alloclen = 8; alloclen < sizeof(long) + sizeof(*gstr) + newlen;
82 if (alloclen > gstr->alloclen) {
83 struct gc_string *newgstr;
85 newgstr = gc_string_alloc(scanner, newlen);
86 strcpy(newgstr->s, gstr->s);
87 strcat(newgstr->s, gsrc->s);
88 cds_list_del(&gstr->gc);
92 strcat(gstr->s, gsrc->s);
94 cds_list_del(&gsrc->gc);
99 void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
101 lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
102 strcpy(lvalp->gs->s, src);
105 static void init_scope(struct ctf_scanner_scope *scope,
106 struct ctf_scanner_scope *parent)
108 scope->parent = parent;
109 scope->types = g_hash_table_new_full(g_str_hash, g_str_equal,
113 static void finalize_scope(struct ctf_scanner_scope *scope)
115 g_hash_table_destroy(scope->types);
118 static void push_scope(struct ctf_scanner *scanner)
120 struct ctf_scanner_scope *ns;
122 printf_dbg("push scope\n");
123 ns = malloc(sizeof(struct ctf_scanner_scope));
124 init_scope(ns, scanner->cs);
128 static void pop_scope(struct ctf_scanner *scanner)
130 struct ctf_scanner_scope *os;
132 printf_dbg("pop scope\n");
134 scanner->cs = os->parent;
139 static int lookup_type(struct ctf_scanner_scope *s, const char *id)
143 ret = (int) g_hash_table_lookup(s->types, id);
144 printf_dbg("lookup %p %s %d\n", s, id, ret);
148 int is_type(struct ctf_scanner *scanner, const char *id)
150 struct ctf_scanner_scope *it;
153 for (it = scanner->cs; it != NULL; it = it->parent) {
154 if (lookup_type(it, id)) {
159 printf_dbg("is type %s %d\n", id, ret);
163 static void add_type(struct ctf_scanner *scanner, struct gc_string *id)
165 printf_dbg("add type %s\n", id->s);
166 if (lookup_type(scanner->cs, id->s))
168 g_hash_table_insert(scanner->cs->types, id->s, id->s);
171 static struct ctf_node *make_node(struct ctf_scanner *scanner,
174 struct ctf_ast *ast = ctf_scanner_get_ast(scanner);
175 struct ctf_node *node;
177 node = malloc(sizeof(*node));
180 memset(node, 0, sizeof(*node));
182 CDS_INIT_LIST_HEAD(&node->siblings);
183 cds_list_add(&node->gc, &ast->allocated_nodes);
187 fprintf(stderr, "[error] %s: trying to create root node\n", __func__);
191 CDS_INIT_LIST_HEAD(&node->u.event.declaration_list);
194 CDS_INIT_LIST_HEAD(&node->u.stream.declaration_list);
197 CDS_INIT_LIST_HEAD(&node->u.trace.declaration_list);
200 case NODE_CTF_EXPRESSION:
202 case NODE_UNARY_EXPRESSION:
206 CDS_INIT_LIST_HEAD(&node->u._typedef.declaration_specifier);
207 CDS_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
209 case NODE_TYPEALIAS_TARGET:
210 CDS_INIT_LIST_HEAD(&node->u.typealias_target.declaration_specifier);
211 CDS_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
213 case NODE_TYPEALIAS_ALIAS:
214 CDS_INIT_LIST_HEAD(&node->u.typealias_alias.declaration_specifier);
215 CDS_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
220 case NODE_TYPE_SPECIFIER:
224 case NODE_TYPE_DECLARATOR:
225 CDS_INIT_LIST_HEAD(&node->u.type_declarator.pointers);
228 case NODE_FLOATING_POINT:
229 CDS_INIT_LIST_HEAD(&node->u.floating_point.expressions);
232 CDS_INIT_LIST_HEAD(&node->u.integer.expressions);
235 CDS_INIT_LIST_HEAD(&node->u.string.expressions);
237 case NODE_ENUMERATOR:
240 CDS_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
242 case NODE_STRUCT_OR_VARIANT_DECLARATION:
243 CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.declaration_specifier);
244 CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
247 CDS_INIT_LIST_HEAD(&node->u.variant.declaration_list);
250 CDS_INIT_LIST_HEAD(&node->u._struct.declaration_list);
255 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
263 static int reparent_ctf_expression(struct ctf_node *node,
264 struct ctf_node *parent)
266 switch (parent->type) {
268 cds_list_add(&node->siblings, &parent->u.event.declaration_list);
271 cds_list_add(&node->siblings, &parent->u.stream.declaration_list);
274 cds_list_add(&node->siblings, &parent->u.trace.declaration_list);
276 case NODE_FLOATING_POINT:
277 cds_list_add(&node->siblings, &parent->u.floating_point.expressions);
280 cds_list_add(&node->siblings, &parent->u.integer.expressions);
283 cds_list_add(&node->siblings, &parent->u.string.expressions);
287 case NODE_CTF_EXPRESSION:
289 case NODE_TYPEALIAS_TARGET:
290 case NODE_TYPEALIAS_ALIAS:
292 case NODE_TYPE_SPECIFIER:
294 case NODE_TYPE_DECLARATOR:
295 case NODE_ENUMERATOR:
297 case NODE_STRUCT_OR_VARIANT_DECLARATION:
300 case NODE_UNARY_EXPRESSION:
305 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
312 static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
314 switch (parent->type) {
316 cds_list_add(&node->siblings, &parent->u.root._typedef);
319 cds_list_add(&node->siblings, &parent->u.event.declaration_list);
322 cds_list_add(&node->siblings, &parent->u.stream.declaration_list);
325 cds_list_add(&node->siblings, &parent->u.trace.declaration_list);
328 cds_list_add(&node->siblings, &parent->u.variant.declaration_list);
331 cds_list_add(&node->siblings, &parent->u._struct.declaration_list);
334 case NODE_FLOATING_POINT:
337 case NODE_CTF_EXPRESSION:
339 case NODE_TYPEALIAS_TARGET:
340 case NODE_TYPEALIAS_ALIAS:
342 case NODE_TYPE_SPECIFIER:
344 case NODE_TYPE_DECLARATOR:
345 case NODE_ENUMERATOR:
347 case NODE_STRUCT_OR_VARIANT_DECLARATION:
348 case NODE_UNARY_EXPRESSION:
353 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
360 static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
362 switch (parent->type) {
364 cds_list_add(&node->siblings, &parent->u.root.typealias);
367 cds_list_add(&node->siblings, &parent->u.event.declaration_list);
370 cds_list_add(&node->siblings, &parent->u.stream.declaration_list);
373 cds_list_add(&node->siblings, &parent->u.trace.declaration_list);
376 cds_list_add(&node->siblings, &parent->u.variant.declaration_list);
379 cds_list_add(&node->siblings, &parent->u._struct.declaration_list);
382 case NODE_FLOATING_POINT:
385 case NODE_CTF_EXPRESSION:
387 case NODE_TYPEALIAS_TARGET:
388 case NODE_TYPEALIAS_ALIAS:
390 case NODE_TYPE_SPECIFIER:
392 case NODE_TYPE_DECLARATOR:
393 case NODE_ENUMERATOR:
395 case NODE_STRUCT_OR_VARIANT_DECLARATION:
396 case NODE_UNARY_EXPRESSION:
401 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
408 static int reparent_type_specifier(struct ctf_node *node,
409 struct ctf_node *parent)
411 switch (parent->type) {
413 cds_list_add(&node->siblings, &parent->u.root.declaration_specifier);
416 cds_list_add(&node->siblings, &parent->u.event.declaration_list);
419 cds_list_add(&node->siblings, &parent->u.stream.declaration_list);
422 cds_list_add(&node->siblings, &parent->u.trace.declaration_list);
425 cds_list_add(&node->siblings, &parent->u.variant.declaration_list);
428 cds_list_add(&node->siblings, &parent->u._struct.declaration_list);
431 cds_list_add(&node->siblings, &parent->u._typedef.declaration_specifier);
433 case NODE_TYPEALIAS_TARGET:
434 cds_list_add(&node->siblings, &parent->u.typealias_target.declaration_specifier);
436 case NODE_TYPEALIAS_ALIAS:
437 cds_list_add(&node->siblings, &parent->u.typealias_alias.declaration_specifier);
439 case NODE_TYPE_DECLARATOR:
440 parent->u.type_declarator.type = TYPEDEC_NESTED;
441 parent->u.type_declarator.u.nested.length = node;
444 parent->u._enum.container_type = node;
446 case NODE_STRUCT_OR_VARIANT_DECLARATION:
447 cds_list_add(&node->siblings, &parent->u.struct_or_variant_declaration.declaration_specifier);
450 case NODE_FLOATING_POINT:
453 case NODE_CTF_EXPRESSION:
454 case NODE_TYPE_SPECIFIER:
456 case NODE_ENUMERATOR:
457 case NODE_UNARY_EXPRESSION:
462 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
469 static int reparent_type_declarator(struct ctf_node *node,
470 struct ctf_node *parent)
472 switch (parent->type) {
473 case NODE_TYPE_DECLARATOR:
474 parent->u.type_declarator.type = TYPEDEC_NESTED;
475 parent->u.type_declarator.u.nested.type_declarator = node;
477 case NODE_STRUCT_OR_VARIANT_DECLARATION:
478 cds_list_add(&node->siblings, &parent->u.struct_or_variant_declaration.type_declarators);
481 cds_list_add(&node->siblings, &parent->u._typedef.type_declarators);
483 case NODE_TYPEALIAS_TARGET:
484 cds_list_add(&node->siblings, &parent->u.typealias_target.type_declarators);
486 case NODE_TYPEALIAS_ALIAS:
487 cds_list_add(&node->siblings, &parent->u.typealias_alias.type_declarators);
498 case NODE_FLOATING_POINT:
501 case NODE_CTF_EXPRESSION:
502 case NODE_TYPE_SPECIFIER:
504 case NODE_ENUMERATOR:
505 case NODE_UNARY_EXPRESSION:
510 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
520 * Relink node to new parent. Returns 0 on success, -EPERM if it is not
521 * permitted to create the link declared by the input, -ENOENT if node or parent
522 * is NULL, -EINVAL if there is an internal structure problem.
524 static int reparent_node(struct ctf_node *node,
525 struct ctf_node *parent)
527 if (!node || !parent)
530 /* Unlink from old parent */
531 cds_list_del(&node->siblings);
533 /* Note: Linking to parent will be done only by an external visitor */
535 switch (node->type) {
537 fprintf(stderr, "[error] %s: trying to reparent root node\n", __func__);
541 if (parent->type == NODE_ROOT)
542 cds_list_add_tail(&node->siblings, &parent->u.root.event);
547 if (parent->type == NODE_ROOT)
548 cds_list_add_tail(&node->siblings, &parent->u.root.stream);
553 if (parent->type == NODE_ROOT)
554 cds_list_add_tail(&node->siblings, &parent->u.root.trace);
559 case NODE_CTF_EXPRESSION:
560 return reparent_ctf_expression(node, parent);
561 case NODE_UNARY_EXPRESSION:
562 if (parent->type == NODE_TYPE_DECLARATOR)
563 parent->u.type_declarator.bitfield_len = node;
569 return reparent_typedef(node, parent);
570 case NODE_TYPEALIAS_TARGET:
571 if (parent->type == NODE_TYPEALIAS)
572 parent->u.typealias.target = node;
575 case NODE_TYPEALIAS_ALIAS:
576 if (parent->type == NODE_TYPEALIAS)
577 parent->u.typealias.alias = node;
581 return reparent_typealias(node, parent);
584 if (parent->type == NODE_TYPE_DECLARATOR)
585 cds_list_add_tail(&node->siblings, &parent->u.type_declarator.pointers);
589 case NODE_TYPE_DECLARATOR:
590 return reparent_type_declarator(node, parent);
592 case NODE_TYPE_SPECIFIER:
593 case NODE_FLOATING_POINT:
599 return reparent_type_specifier(node, parent);
601 case NODE_ENUMERATOR:
602 if (parent->type == NODE_ENUM)
603 cds_list_add_tail(&node->siblings, &parent->u._enum.enumerator_list);
607 case NODE_STRUCT_OR_VARIANT_DECLARATION:
608 switch (parent->type) {
610 cds_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
613 cds_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
622 fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
629 void yyerror(struct ctf_scanner *scanner, const char *str)
631 fprintf(stderr, "error %s\n", str);
639 #define reparent_error(scanner, str) \
641 yyerror(scanner, YY_("reparent_error: " str "\n")); \
645 static void free_strings(struct cds_list_head *list)
647 struct gc_string *gstr, *tmp;
649 cds_list_for_each_entry_safe(gstr, tmp, list, gc)
653 static struct ctf_ast *ctf_ast_alloc(void)
657 ast = malloc(sizeof(*ast));
660 memset(ast, 0, sizeof(*ast));
661 CDS_INIT_LIST_HEAD(&ast->allocated_nodes);
662 ast->root.type = NODE_ROOT;
663 CDS_INIT_LIST_HEAD(&ast->root.siblings);
664 CDS_INIT_LIST_HEAD(&ast->root.u.root._typedef);
665 CDS_INIT_LIST_HEAD(&ast->root.u.root.typealias);
666 CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_specifier);
667 CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
668 CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
669 CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
673 static void ctf_ast_free(struct ctf_ast *ast)
675 struct ctf_node *node, *tmp;
677 cds_list_for_each_entry_safe(node, tmp, &ast->allocated_nodes, gc)
681 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
683 return yyparse(scanner);
686 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
688 struct ctf_scanner *scanner;
691 scanner = malloc(sizeof(*scanner));
694 memset(scanner, 0, sizeof(*scanner));
696 ret = yylex_init_extra(scanner, &scanner->scanner);
698 fprintf(stderr, "yylex_init error\n");
699 goto cleanup_scanner;
701 yyset_in(input, scanner);
703 scanner->ast = ctf_ast_alloc();
706 init_scope(&scanner->root_scope, NULL);
707 CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
712 ret = yylex_destroy(scanner->scanner);
714 fprintf(stderr, "yylex_destroy error\n");
720 void ctf_scanner_free(struct ctf_scanner *scanner)
724 finalize_scope(&scanner->root_scope);
725 free_strings(&scanner->allocated_strings);
726 ctf_ast_free(scanner->ast);
727 ret = yylex_destroy(scanner->scanner);
729 fprintf(stderr, "yylex_destroy error\n");
737 %parse-param {struct ctf_scanner *scanner}
738 %lex-param {struct ctf_scanner *scanner}
740 %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
741 %token <gs> IDENTIFIER ID_TYPE
747 struct gc_string *gs;
752 %type <gs> s_char s_char_sequence c_char c_char_sequence
754 %type <n> postfix_expression unary_expression unary_expression_or_range
756 %type <n> declaration
757 %type <n> event_declaration
758 %type <n> stream_declaration
759 %type <n> trace_declaration
760 %type <n> declaration_specifiers
762 %type <n> type_declarator_list
763 %type <n> abstract_type_declarator_list
764 %type <n> type_specifier
765 %type <n> struct_type_specifier
766 %type <n> variant_type_specifier
767 %type <n> type_specifier_or_integer_constant
768 %type <n> enum_type_specifier
769 %type <n> struct_or_variant_declaration_list
770 %type <n> struct_or_variant_declaration
771 %type <n> specifier_qualifier_list
772 %type <n> struct_or_variant_declarator_list
773 %type <n> struct_or_variant_declarator
774 %type <n> enumerator_list
776 %type <n> abstract_declarator_list
777 %type <n> abstract_declarator
778 %type <n> direct_abstract_declarator
780 %type <n> direct_declarator
781 %type <n> type_declarator
782 %type <n> direct_type_declarator
783 %type <n> abstract_type_declarator
784 %type <n> direct_abstract_type_declarator
786 %type <n> ctf_assignment_expression_list
787 %type <n> ctf_assignment_expression
794 if (reparent_node($1, &ctf_scanner_get_ast(scanner)->root))
795 reparent_error(scanner, "error reparenting to root");
799 if (reparent_node($2, &ctf_scanner_get_ast(scanner)->root))
800 reparent_error(scanner, "error reparenting to root");
856 | c_char_sequence c_char
857 { $$ = gc_string_append(scanner, $1, $2); }
865 reparent_error(scanner, "escape sequences not supported yet");
869 /* 1.6 String literals */
874 | s_char_sequence s_char
875 { $$ = gc_string_append(scanner, $1, $2); }
883 reparent_error(scanner, "escape sequences not supported yet");
887 /* 2: Phrase structure grammar */
892 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
893 $$->u.unary_expression.type = UNARY_STRING;
894 $$->u.unary_expression.u.string = yylval.gs->s;
898 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
899 $$->u.unary_expression.type = UNARY_STRING;
900 $$->u.unary_expression.u.string = yylval.gs->s;
905 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
906 $$->u.unary_expression.type = UNARY_STRING;
907 $$->u.unary_expression.u.string = yylval.gs->s;
912 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
913 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
914 sscanf(yylval.gs->s, "%llu",
915 &$$->u.unary_expression.u.unsigned_constant);
919 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
920 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
921 sscanf(yylval.gs->s, "0%llo",
922 &$$->u.unary_expression.u.unsigned_constant);
924 | HEXADECIMAL_CONSTANT
926 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
927 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
928 sscanf(yylval.gs->s, "0x%llx",
929 &$$->u.unary_expression.u.unsigned_constant);
931 | STRING_LITERAL_START DQUOTE
933 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
934 $$->u.unary_expression.type = UNARY_STRING;
935 $$->u.unary_expression.u.string = "";
937 | STRING_LITERAL_START s_char_sequence DQUOTE
939 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
940 $$->u.unary_expression.type = UNARY_STRING;
941 $$->u.unary_expression.u.string = $2->s;
943 | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
945 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
946 $$->u.unary_expression.type = UNARY_STRING;
947 $$->u.unary_expression.u.string = $2->s;
949 | LPAREN unary_expression RPAREN
953 | postfix_expression LSBRAC unary_expression RSBRAC
955 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
956 $$->u.unary_expression.type = UNARY_SBRAC;
957 $$->u.unary_expression.u.sbrac_exp = $3;
958 cds_list_add(&($$)->siblings, &($1)->siblings);
960 | postfix_expression DOT IDENTIFIER
962 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
963 $$->u.unary_expression.type = UNARY_STRING;
964 $$->u.unary_expression.u.string = yylval.gs->s;
965 $$->u.unary_expression.link = UNARY_DOTLINK;
966 cds_list_add(&($$)->siblings, &($1)->siblings);
968 | postfix_expression DOT ID_TYPE
970 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
971 $$->u.unary_expression.type = UNARY_STRING;
972 $$->u.unary_expression.u.string = yylval.gs->s;
973 $$->u.unary_expression.link = UNARY_DOTLINK;
974 cds_list_add(&($$)->siblings, &($1)->siblings);
976 | postfix_expression RARROW IDENTIFIER
978 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
979 $$->u.unary_expression.type = UNARY_STRING;
980 $$->u.unary_expression.u.string = yylval.gs->s;
981 $$->u.unary_expression.link = UNARY_ARROWLINK;
982 cds_list_add(&($$)->siblings, &($1)->siblings);
984 | postfix_expression RARROW ID_TYPE
986 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
987 $$->u.unary_expression.type = UNARY_STRING;
988 $$->u.unary_expression.u.string = yylval.gs->s;
989 $$->u.unary_expression.link = UNARY_ARROWLINK;
990 cds_list_add(&($$)->siblings, &($1)->siblings);
997 | PLUS postfix_expression
999 | MINUS postfix_expression
1002 if ($$->u.unary_expression.type != UNARY_SIGNED_CONSTANT
1003 && $$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
1004 reparent_error(scanner, "expecting numeric constant");
1006 if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
1007 $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
1008 $$->u.unary_expression.u.signed_constant =
1009 -($$->u.unary_expression.u.unsigned_constant);
1011 $$->u.unary_expression.u.signed_constant =
1012 -($$->u.unary_expression.u.signed_constant);
1017 unary_expression_or_range:
1018 unary_expression DOTDOTDOT unary_expression
1021 cds_list_add(&($3)->siblings, &($$)->siblings);
1027 /* 2.2: Declarations */
1030 declaration_specifiers SEMICOLON
1034 | stream_declaration
1038 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1040 $$ = make_node(scanner, NODE_TYPEDEF);
1041 cds_list_add(&($3)->siblings, &($$)->u._typedef.declaration_specifier);
1042 cds_list_add(&($1)->siblings, &($$)->u._typedef.declaration_specifier);
1043 cds_list_add(&($4)->siblings, &($$)->u._typedef.type_declarators);
1045 | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
1047 $$ = make_node(scanner, NODE_TYPEDEF);
1048 cds_list_add(&($2)->siblings, &($$)->u._typedef.declaration_specifier);
1049 cds_list_add(&($3)->siblings, &($$)->u._typedef.type_declarators);
1051 | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
1053 $$ = make_node(scanner, NODE_TYPEDEF);
1054 cds_list_add(&($1)->siblings, &($$)->u._typedef.declaration_specifier);
1055 cds_list_add(&($3)->siblings, &($$)->u._typedef.type_declarators);
1057 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list SEMICOLON
1059 $$ = make_node(scanner, NODE_TYPEALIAS);
1060 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1061 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1062 cds_list_add(&($2)->siblings, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
1063 cds_list_add(&($3)->siblings, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1064 cds_list_add(&($5)->siblings, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
1065 cds_list_add(&($6)->siblings, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1067 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list SEMICOLON
1069 $$ = make_node(scanner, NODE_TYPEALIAS);
1070 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1071 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1072 cds_list_add(&($2)->siblings, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
1073 cds_list_add(&($3)->siblings, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1074 cds_list_add(&($5)->siblings, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1079 event_declaration_begin event_declaration_end
1080 { $$ = make_node(scanner, NODE_EVENT); }
1081 | event_declaration_begin ctf_assignment_expression_list event_declaration_end
1083 $$ = make_node(scanner, NODE_EVENT);
1084 if (reparent_node($2, $$))
1085 reparent_error(scanner, "event_declaration");
1089 event_declaration_begin:
1091 { push_scope(scanner); }
1094 event_declaration_end:
1096 { pop_scope(scanner); }
1101 stream_declaration_begin stream_declaration_end
1102 { $$ = make_node(scanner, NODE_STREAM); }
1103 | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
1105 $$ = make_node(scanner, NODE_STREAM);
1106 if (reparent_node($2, $$))
1107 reparent_error(scanner, "stream_declaration");
1111 stream_declaration_begin:
1113 { push_scope(scanner); }
1116 stream_declaration_end:
1118 { pop_scope(scanner); }
1123 trace_declaration_begin trace_declaration_end
1124 { $$ = make_node(scanner, NODE_TRACE); }
1125 | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
1127 $$ = make_node(scanner, NODE_TRACE);
1128 if (reparent_node($2, $$))
1129 reparent_error(scanner, "trace_declaration");
1133 trace_declaration_begin:
1135 { push_scope(scanner); }
1138 trace_declaration_end:
1140 { pop_scope(scanner); }
1143 declaration_specifiers:
1146 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1147 $$->u.type_specifier.type = TYPESPEC_CONST;
1151 | declaration_specifiers CONST
1153 struct ctf_node *node;
1155 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1156 node->u.type_specifier.type = TYPESPEC_CONST;
1157 cds_list_add(&node->siblings, &($1)->siblings);
1160 | declaration_specifiers type_specifier
1163 cds_list_add(&($2)->siblings, &($1)->siblings);
1167 type_declarator_list:
1170 | type_declarator_list COMMA type_declarator
1173 cds_list_add(&($3)->siblings, &($$)->siblings);
1177 abstract_type_declarator_list:
1178 abstract_type_declarator
1180 | abstract_type_declarator_list COMMA abstract_type_declarator
1183 cds_list_add(&($3)->siblings, &($$)->siblings);
1190 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1191 $$->u.type_specifier.type = TYPESPEC_VOID;
1195 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1196 $$->u.type_specifier.type = TYPESPEC_CHAR;
1200 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1201 $$->u.type_specifier.type = TYPESPEC_SHORT;
1205 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1206 $$->u.type_specifier.type = TYPESPEC_INT;
1210 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1211 $$->u.type_specifier.type = TYPESPEC_LONG;
1215 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1216 $$->u.type_specifier.type = TYPESPEC_FLOAT;
1220 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1221 $$->u.type_specifier.type = TYPESPEC_DOUBLE;
1225 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1226 $$->u.type_specifier.type = TYPESPEC_SIGNED;
1230 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1231 $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
1235 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1236 $$->u.type_specifier.type = TYPESPEC_BOOL;
1240 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1241 $$->u.type_specifier.type = TYPESPEC_COMPLEX;
1245 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1246 $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
1247 $$->u.type_specifier.id_type = yylval.gs->s;
1249 | FLOATING_POINT LBRAC RBRAC
1251 $$ = make_node(scanner, NODE_FLOATING_POINT);
1253 | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
1255 $$ = make_node(scanner, NODE_FLOATING_POINT);
1256 if (reparent_node($3, $$))
1257 reparent_error(scanner, "floating point reparent error");
1259 | INTEGER LBRAC RBRAC
1261 $$ = make_node(scanner, NODE_INTEGER);
1263 | INTEGER LBRAC ctf_assignment_expression_list RBRAC
1265 $$ = make_node(scanner, NODE_INTEGER);
1266 if (reparent_node($3, $$))
1267 reparent_error(scanner, "integer reparent error");
1269 | STRING LBRAC RBRAC
1271 $$ = make_node(scanner, NODE_STRING);
1273 | STRING LBRAC ctf_assignment_expression_list RBRAC
1275 $$ = make_node(scanner, NODE_STRING);
1276 if (reparent_node($3, $$))
1277 reparent_error(scanner, "string reparent error");
1279 | ENUM enum_type_specifier
1281 | VARIANT variant_type_specifier
1283 | STRUCT struct_type_specifier
1287 struct_type_specifier:
1288 struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1290 $$ = make_node(scanner, NODE_STRUCT);
1291 if (reparent_node($2, $$))
1292 reparent_error(scanner, "struct reparent error");
1294 | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1296 $$ = make_node(scanner, NODE_STRUCT);
1297 $$->u._struct.name = $1->s;
1298 if (reparent_node($3, $$))
1299 reparent_error(scanner, "struct reparent error");
1301 | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
1303 $$ = make_node(scanner, NODE_STRUCT);
1304 $$->u._struct.name = $1->s;
1305 if (reparent_node($3, $$))
1306 reparent_error(scanner, "struct reparent error");
1310 $$ = make_node(scanner, NODE_STRUCT);
1311 $$->u._struct.name = $1->s;
1315 $$ = make_node(scanner, NODE_STRUCT);
1316 $$->u._struct.name = $1->s;
1320 struct_declaration_begin:
1322 { push_scope(scanner); }
1325 struct_declaration_end:
1327 { pop_scope(scanner); }
1330 variant_type_specifier:
1331 variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1333 $$ = make_node(scanner, NODE_VARIANT);
1334 if (reparent_node($2, $$))
1335 reparent_error(scanner, "variant reparent error");
1337 | LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1339 $$ = make_node(scanner, NODE_VARIANT);
1340 $$->u.variant.choice = $2->s;
1341 if (reparent_node($5, $$))
1342 reparent_error(scanner, "variant reparent error");
1344 | LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1346 $$ = make_node(scanner, NODE_VARIANT);
1347 $$->u.variant.choice = $2->s;
1348 if (reparent_node($5, $$))
1349 reparent_error(scanner, "variant reparent error");
1351 | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1353 $$ = make_node(scanner, NODE_VARIANT);
1354 $$->u.variant.name = $1->s;
1355 if (reparent_node($3, $$))
1356 reparent_error(scanner, "variant reparent error");
1358 | IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1360 $$ = make_node(scanner, NODE_VARIANT);
1361 $$->u.variant.name = $1->s;
1362 $$->u.variant.choice = $3->s;
1363 if (reparent_node($6, $$))
1364 reparent_error(scanner, "variant reparent error");
1366 | IDENTIFIER LT IDENTIFIER GT
1368 $$ = make_node(scanner, NODE_VARIANT);
1369 $$->u.variant.name = $1->s;
1370 $$->u.variant.choice = $3->s;
1372 | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1374 $$ = make_node(scanner, NODE_VARIANT);
1375 $$->u.variant.name = $1->s;
1376 $$->u.variant.choice = $3->s;
1377 if (reparent_node($6, $$))
1378 reparent_error(scanner, "variant reparent error");
1380 | IDENTIFIER LT ID_TYPE GT
1382 $$ = make_node(scanner, NODE_VARIANT);
1383 $$->u.variant.name = $1->s;
1384 $$->u.variant.choice = $3->s;
1386 | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1388 $$ = make_node(scanner, NODE_VARIANT);
1389 $$->u.variant.name = $1->s;
1390 if (reparent_node($3, $$))
1391 reparent_error(scanner, "variant reparent error");
1393 | ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1395 $$ = make_node(scanner, NODE_VARIANT);
1396 $$->u.variant.name = $1->s;
1397 $$->u.variant.choice = $3->s;
1398 if (reparent_node($6, $$))
1399 reparent_error(scanner, "variant reparent error");
1401 | ID_TYPE LT IDENTIFIER GT
1403 $$ = make_node(scanner, NODE_VARIANT);
1404 $$->u.variant.name = $1->s;
1405 $$->u.variant.choice = $3->s;
1407 | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
1409 $$ = make_node(scanner, NODE_VARIANT);
1410 $$->u.variant.name = $1->s;
1411 $$->u.variant.choice = $3->s;
1412 if (reparent_node($6, $$))
1413 reparent_error(scanner, "variant reparent error");
1415 | ID_TYPE LT ID_TYPE GT
1417 $$ = make_node(scanner, NODE_VARIANT);
1418 $$->u.variant.name = $1->s;
1419 $$->u.variant.choice = $3->s;
1423 variant_declaration_begin:
1425 { push_scope(scanner); }
1428 variant_declaration_end:
1430 { pop_scope(scanner); }
1433 type_specifier_or_integer_constant:
1434 declaration_specifiers
1438 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1439 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1440 sscanf(yylval.gs->s, "%llu",
1441 &$$->u.unary_expression.u.unsigned_constant);
1445 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1446 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1447 sscanf(yylval.gs->s, "0%llo",
1448 &$$->u.unary_expression.u.unsigned_constant);
1450 | HEXADECIMAL_CONSTANT
1452 $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
1453 $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
1454 sscanf(yylval.gs->s, "0x%llx",
1455 &$$->u.unary_expression.u.unsigned_constant);
1459 enum_type_specifier:
1460 LBRAC enumerator_list RBRAC
1462 $$ = make_node(scanner, NODE_ENUM);
1463 cds_list_add(&($2)->siblings, &($$)->u._enum.enumerator_list);
1465 | LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
1467 $$ = make_node(scanner, NODE_ENUM);
1468 $$->u._enum.container_type = $2;
1469 cds_list_add(&($5)->siblings, &($$)->u._enum.enumerator_list);
1471 | IDENTIFIER LBRAC enumerator_list RBRAC
1473 $$ = make_node(scanner, NODE_ENUM);
1474 $$->u._enum.enum_id = $1->s;
1475 cds_list_add(&($3)->siblings, &($$)->u._enum.enumerator_list);
1477 | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
1479 $$ = make_node(scanner, NODE_ENUM);
1480 $$->u._enum.enum_id = $1->s;
1481 $$->u._enum.container_type = $3;
1482 cds_list_add(&($6)->siblings, &($$)->u._enum.enumerator_list);
1484 | ID_TYPE LBRAC enumerator_list RBRAC
1486 $$ = make_node(scanner, NODE_ENUM);
1487 $$->u._enum.enum_id = $1->s;
1488 cds_list_add(&($3)->siblings, &($$)->u._enum.enumerator_list);
1490 | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
1492 $$ = make_node(scanner, NODE_ENUM);
1493 $$->u._enum.enum_id = $1->s;
1494 $$->u._enum.container_type = $3;
1495 cds_list_add(&($6)->siblings, &($$)->u._enum.enumerator_list);
1497 | LBRAC enumerator_list COMMA RBRAC
1499 $$ = make_node(scanner, NODE_ENUM);
1500 cds_list_add(&($2)->siblings, &($$)->u._enum.enumerator_list);
1502 | LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
1504 $$ = make_node(scanner, NODE_ENUM);
1505 $$->u._enum.container_type = $2;
1506 cds_list_add(&($5)->siblings, &($$)->u._enum.enumerator_list);
1508 | IDENTIFIER LBRAC enumerator_list COMMA RBRAC
1510 $$ = make_node(scanner, NODE_ENUM);
1511 $$->u._enum.enum_id = $1->s;
1512 cds_list_add(&($3)->siblings, &($$)->u._enum.enumerator_list);
1514 | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
1516 $$ = make_node(scanner, NODE_ENUM);
1517 $$->u._enum.enum_id = $1->s;
1518 $$->u._enum.container_type = $3;
1519 cds_list_add(&($6)->siblings, &($$)->u._enum.enumerator_list);
1523 $$ = make_node(scanner, NODE_ENUM);
1524 $$->u._enum.enum_id = $1->s;
1526 | IDENTIFIER LT type_specifier_or_integer_constant GT
1528 $$ = make_node(scanner, NODE_ENUM);
1529 $$->u._enum.enum_id = $1->s;
1530 $$->u._enum.container_type = $3;
1532 | ID_TYPE LBRAC enumerator_list COMMA RBRAC
1534 $$ = make_node(scanner, NODE_ENUM);
1535 $$->u._enum.enum_id = $1->s;
1536 cds_list_add(&($3)->siblings, &($$)->u._enum.enumerator_list);
1538 | ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
1540 $$ = make_node(scanner, NODE_ENUM);
1541 $$->u._enum.enum_id = $1->s;
1542 $$->u._enum.container_type = $3;
1543 cds_list_add(&($6)->siblings, &($$)->u._enum.enumerator_list);
1547 $$ = make_node(scanner, NODE_ENUM);
1548 $$->u._enum.enum_id = $1->s;
1550 | ID_TYPE LT type_specifier_or_integer_constant GT
1552 $$ = make_node(scanner, NODE_ENUM);
1553 $$->u._enum.enum_id = $1->s;
1554 $$->u._enum.container_type = $3;
1558 struct_or_variant_declaration_list:
1561 | struct_or_variant_declaration_list struct_or_variant_declaration
1565 cds_list_add(&($2)->siblings, &($1)->siblings);
1572 struct_or_variant_declaration:
1573 specifier_qualifier_list struct_or_variant_declarator_list SEMICOLON
1575 $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
1576 cds_list_add(&($1)->siblings, &($$)->u.struct_or_variant_declaration.declaration_specifier);
1577 cds_list_add(&($2)->siblings, &($$)->u.struct_or_variant_declaration.type_declarators);
1579 | specifier_qualifier_list TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
1581 $$ = make_node(scanner, NODE_TYPEDEF);
1582 cds_list_add(&($3)->siblings, &($$)->u._typedef.declaration_specifier);
1583 cds_list_add(&($1)->siblings, &($$)->u._typedef.declaration_specifier);
1584 cds_list_add(&($4)->siblings, &($$)->u._typedef.type_declarators);
1586 | TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
1588 $$ = make_node(scanner, NODE_TYPEDEF);
1589 cds_list_add(&($2)->siblings, &($$)->u._typedef.declaration_specifier);
1590 cds_list_add(&($3)->siblings, &($$)->u._typedef.type_declarators);
1592 | specifier_qualifier_list TYPEDEF type_declarator_list SEMICOLON
1594 $$ = make_node(scanner, NODE_TYPEDEF);
1595 cds_list_add(&($1)->siblings, &($$)->u._typedef.declaration_specifier);
1596 cds_list_add(&($3)->siblings, &($$)->u._typedef.type_declarators);
1598 | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON specifier_qualifier_list abstract_type_declarator_list SEMICOLON
1600 $$ = make_node(scanner, NODE_TYPEALIAS);
1601 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1602 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1603 cds_list_add(&($2)->siblings, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
1604 cds_list_add(&($3)->siblings, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1605 cds_list_add(&($5)->siblings, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
1606 cds_list_add(&($6)->siblings, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1608 | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON type_declarator_list SEMICOLON
1610 $$ = make_node(scanner, NODE_TYPEALIAS);
1611 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1612 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1613 cds_list_add(&($2)->siblings, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
1614 cds_list_add(&($3)->siblings, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1615 cds_list_add(&($5)->siblings, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1619 specifier_qualifier_list:
1622 $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
1623 $$->u.type_specifier.type = TYPESPEC_CONST;
1627 | specifier_qualifier_list CONST
1629 struct ctf_node *node;
1632 node = make_node(scanner, NODE_TYPE_SPECIFIER);
1633 node->u.type_specifier.type = TYPESPEC_CONST;
1634 cds_list_add(&node->siblings, &($$)->siblings);
1636 | specifier_qualifier_list type_specifier
1639 cds_list_add(&($2)->siblings, &($$)->siblings);
1643 struct_or_variant_declarator_list:
1644 struct_or_variant_declarator
1646 | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
1649 cds_list_add(&($3)->siblings, &($$)->siblings);
1653 struct_or_variant_declarator:
1656 | COLON unary_expression
1658 | declarator COLON unary_expression
1661 if (reparent_node($3, $1))
1662 reparent_error(scanner, "struct_or_variant_declarator");
1669 | enumerator_list COMMA enumerator
1672 cds_list_add(&($3)->siblings, &($$)->siblings);
1679 $$ = make_node(scanner, NODE_ENUMERATOR);
1680 $$->u.enumerator.id = $1->s;
1684 $$ = make_node(scanner, NODE_ENUMERATOR);
1685 $$->u.enumerator.id = $1->s;
1689 $$ = make_node(scanner, NODE_ENUMERATOR);
1690 $$->u.enumerator.id = $1->s;
1692 | STRING_LITERAL_START DQUOTE
1694 $$ = make_node(scanner, NODE_ENUMERATOR);
1695 $$->u.enumerator.id = "";
1697 | STRING_LITERAL_START s_char_sequence DQUOTE
1699 $$ = make_node(scanner, NODE_ENUMERATOR);
1700 $$->u.enumerator.id = $2->s;
1702 | IDENTIFIER EQUAL unary_expression_or_range
1704 $$ = make_node(scanner, NODE_ENUMERATOR);
1705 $$->u.enumerator.id = $1->s;
1706 $$->u.enumerator.values = $3;
1708 | ID_TYPE EQUAL unary_expression_or_range
1710 $$ = make_node(scanner, NODE_ENUMERATOR);
1711 $$->u.enumerator.id = $1->s;
1712 $$->u.enumerator.values = $3;
1714 | keywords EQUAL unary_expression_or_range
1716 $$ = make_node(scanner, NODE_ENUMERATOR);
1717 $$->u.enumerator.id = $1->s;
1718 $$->u.enumerator.values = $3;
1720 | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
1722 $$ = make_node(scanner, NODE_ENUMERATOR);
1723 $$->u.enumerator.id = "";
1724 $$->u.enumerator.values = $4;
1726 | STRING_LITERAL_START s_char_sequence DQUOTE EQUAL unary_expression_or_range
1728 $$ = make_node(scanner, NODE_ENUMERATOR);
1729 $$->u.enumerator.id = $2->s;
1730 $$->u.enumerator.values = $5;
1734 abstract_declarator_list:
1737 | abstract_declarator_list COMMA abstract_declarator
1740 cds_list_add(&($3)->siblings, &($$)->siblings);
1744 abstract_declarator:
1745 direct_abstract_declarator
1747 | pointer direct_abstract_declarator
1750 cds_list_add(&($1)->siblings, &($$)->u.type_declarator.pointers);
1754 direct_abstract_declarator:
1757 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1758 $$->u.type_declarator.type = TYPEDEC_ID;
1763 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1764 $$->u.type_declarator.type = TYPEDEC_ID;
1765 $$->u.type_declarator.u.id = $1->s;
1767 | LPAREN abstract_declarator RPAREN
1769 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1770 $$->u.type_declarator.type = TYPEDEC_NESTED;
1771 $$->u.type_declarator.u.nested.type_declarator = $2;
1773 | direct_abstract_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1775 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1776 $$->u.type_declarator.type = TYPEDEC_NESTED;
1777 $$->u.type_declarator.u.nested.type_declarator = $1;
1778 $$->u.type_declarator.u.nested.length = $3;
1780 | direct_abstract_declarator LSBRAC RSBRAC
1782 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1783 $$->u.type_declarator.type = TYPEDEC_NESTED;
1784 $$->u.type_declarator.u.nested.type_declarator = $1;
1785 $$->u.type_declarator.u.nested.abstract_array = 1;
1792 | pointer direct_declarator
1795 cds_list_add(&($1)->siblings, &($$)->u.type_declarator.pointers);
1802 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1803 $$->u.type_declarator.type = TYPEDEC_ID;
1804 $$->u.type_declarator.u.id = $1->s;
1806 | LPAREN declarator RPAREN
1808 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1809 $$->u.type_declarator.type = TYPEDEC_NESTED;
1810 $$->u.type_declarator.u.nested.type_declarator = $2;
1812 | direct_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1814 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1815 $$->u.type_declarator.type = TYPEDEC_NESTED;
1816 $$->u.type_declarator.u.nested.type_declarator = $1;
1817 $$->u.type_declarator.u.nested.length = $3;
1822 direct_type_declarator
1824 | pointer direct_type_declarator
1827 cds_list_add(&($1)->siblings, &($$)->u.type_declarator.pointers);
1831 direct_type_declarator:
1834 add_type(scanner, $1);
1835 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1836 $$->u.type_declarator.type = TYPEDEC_ID;
1837 $$->u.type_declarator.u.id = $1->s;
1839 | LPAREN type_declarator RPAREN
1841 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1842 $$->u.type_declarator.type = TYPEDEC_NESTED;
1843 $$->u.type_declarator.u.nested.type_declarator = $2;
1845 | direct_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1847 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1848 $$->u.type_declarator.type = TYPEDEC_NESTED;
1849 $$->u.type_declarator.u.nested.type_declarator = $1;
1850 $$->u.type_declarator.u.nested.length = $3;
1854 abstract_type_declarator:
1855 direct_abstract_type_declarator
1857 | pointer direct_abstract_type_declarator
1860 cds_list_add(&($1)->siblings, &($$)->u.type_declarator.pointers);
1864 direct_abstract_type_declarator:
1867 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1868 $$->u.type_declarator.type = TYPEDEC_ID;
1873 add_type(scanner, $1);
1874 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1875 $$->u.type_declarator.type = TYPEDEC_ID;
1876 $$->u.type_declarator.u.id = $1->s;
1878 | LPAREN abstract_type_declarator RPAREN
1880 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1881 $$->u.type_declarator.type = TYPEDEC_NESTED;
1882 $$->u.type_declarator.u.nested.type_declarator = $2;
1884 | direct_abstract_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
1886 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1887 $$->u.type_declarator.type = TYPEDEC_NESTED;
1888 $$->u.type_declarator.u.nested.type_declarator = $1;
1889 $$->u.type_declarator.u.nested.length = $3;
1891 | direct_abstract_type_declarator LSBRAC RSBRAC
1893 $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
1894 $$->u.type_declarator.type = TYPEDEC_NESTED;
1895 $$->u.type_declarator.u.nested.type_declarator = $1;
1896 $$->u.type_declarator.u.nested.abstract_array = 1;
1902 { $$ = make_node(scanner, NODE_POINTER); }
1905 $$ = make_node(scanner, NODE_POINTER);
1906 cds_list_add(&($2)->siblings, &($$)->siblings);
1908 | STAR type_qualifier_list pointer
1910 $$ = make_node(scanner, NODE_POINTER);
1911 $$->u.pointer.const_qualifier = 1;
1912 cds_list_add(&($3)->siblings, &($$)->siblings);
1916 type_qualifier_list:
1917 /* pointer assumes only const type qualifier */
1919 | type_qualifier_list CONST
1922 /* 2.3: CTF-specific declarations */
1924 ctf_assignment_expression_list:
1925 ctf_assignment_expression SEMICOLON
1927 | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
1930 cds_list_add(&($2)->siblings, &($1)->siblings);
1934 ctf_assignment_expression:
1935 unary_expression EQUAL unary_expression
1938 * Because we have left and right, cannot use
1941 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
1942 $$->u.ctf_expression.left = $1;
1943 if ($1->u.unary_expression.type != UNARY_STRING)
1944 reparent_error(scanner, "ctf_assignment_expression left expects string");
1945 $$->u.ctf_expression.right = $3;
1947 | unary_expression TYPEASSIGN type_specifier
1950 * Because we have left and right, cannot use
1953 $$ = make_node(scanner, NODE_CTF_EXPRESSION);
1954 $$->u.ctf_expression.left = $1;
1955 if ($1->u.unary_expression.type != UNARY_STRING)
1956 reparent_error(scanner, "ctf_assignment_expression left expects string");
1957 $$->u.ctf_expression.right = $3;
1959 | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
1961 $$ = make_node(scanner, NODE_TYPEDEF);
1962 cds_list_add(&($3)->siblings, &($$)->u._typedef.declaration_specifier);
1963 cds_list_add(&($1)->siblings, &($$)->u._typedef.declaration_specifier);
1964 cds_list_add(&($4)->siblings, &($$)->u._typedef.type_declarators);
1966 | TYPEDEF declaration_specifiers type_declarator_list
1968 $$ = make_node(scanner, NODE_TYPEDEF);
1969 cds_list_add(&($2)->siblings, &($$)->u._typedef.declaration_specifier);
1970 cds_list_add(&($3)->siblings, &($$)->u._typedef.type_declarators);
1972 | declaration_specifiers TYPEDEF type_declarator_list
1974 $$ = make_node(scanner, NODE_TYPEDEF);
1975 cds_list_add(&($1)->siblings, &($$)->u._typedef.declaration_specifier);
1976 cds_list_add(&($3)->siblings, &($$)->u._typedef.type_declarators);
1978 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list
1980 $$ = make_node(scanner, NODE_TYPEALIAS);
1981 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1982 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1983 cds_list_add(&($2)->siblings, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
1984 cds_list_add(&($3)->siblings, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1985 cds_list_add(&($5)->siblings, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
1986 cds_list_add(&($6)->siblings, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
1988 | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list
1990 $$ = make_node(scanner, NODE_TYPEALIAS);
1991 $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
1992 $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
1993 cds_list_add(&($2)->siblings, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
1994 cds_list_add(&($3)->siblings, &($$)->u.typealias.target->u.typealias_target.type_declarators);
1995 cds_list_add(&($5)->siblings, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);