2 * ctf-visitor-generate-io-struct.c
4 * Common Trace Format Metadata Visitor (generate I/O structures).
6 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
28 #include <babeltrace/babeltrace.h>
29 #include <babeltrace/list.h>
30 #include <babeltrace/types.h>
31 #include <babeltrace/ctf/metadata.h>
32 #include <uuid/uuid.h>
33 #include "ctf-scanner.h"
34 #include "ctf-parser.h"
37 #define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args)
39 #define _cds_list_first_entry(ptr, type, member) \
40 cds_list_entry((ptr)->next, type, member)
43 struct declaration
*ctf_type_specifier_list_visit(FILE *fd
,
44 int depth
, struct ctf_node
*type_specifier_list
,
45 struct declaration_scope
*declaration_scope
,
46 struct ctf_trace
*trace
);
49 int ctf_stream_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
50 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
);
53 * String returned must be freed by the caller using g_free.
56 char *concatenate_unary_strings(struct cds_list_head
*head
)
58 struct ctf_node
*node
;
62 str
= g_string_new("");
63 cds_list_for_each_entry(node
, head
, siblings
) {
66 assert(node
->type
== NODE_UNARY_EXPRESSION
);
67 assert(node
->u
.unary_expression
.type
== UNARY_STRING
);
68 assert((node
->u
.unary_expression
.link
== UNARY_LINK_UNKNOWN
)
70 switch (node
->u
.unary_expression
.link
) {
72 g_string_append(str
, ".");
75 g_string_append(str
, "->");
78 g_string_append(str
, "...");
83 src_string
= node
->u
.unary_expression
.u
.string
;
84 g_string_append(str
, src_string
);
87 return g_string_free(str
, FALSE
);
91 int get_unary_unsigned(struct cds_list_head
*head
, uint64_t *value
)
93 struct ctf_node
*node
;
96 cds_list_for_each_entry(node
, head
, siblings
) {
97 assert(node
->type
== NODE_UNARY_EXPRESSION
);
98 assert(node
->u
.unary_expression
.type
== UNARY_UNSIGNED_CONSTANT
);
99 assert(node
->u
.unary_expression
.link
== UNARY_LINK_UNKNOWN
);
101 *value
= node
->u
.unary_expression
.u
.unsigned_constant
;
108 int get_unary_uuid(struct cds_list_head
*head
, uuid_t
*uuid
)
110 struct ctf_node
*node
;
114 cds_list_for_each_entry(node
, head
, siblings
) {
115 const char *src_string
;
117 assert(node
->type
== NODE_UNARY_EXPRESSION
);
118 assert(node
->u
.unary_expression
.type
== UNARY_STRING
);
119 assert(node
->u
.unary_expression
.link
== UNARY_LINK_UNKNOWN
);
121 src_string
= node
->u
.unary_expression
.u
.string
;
122 ret
= uuid_parse(node
->u
.unary_expression
.u
.string
, *uuid
);
128 struct ctf_stream_class
*trace_stream_lookup(struct ctf_trace
*trace
, uint64_t stream_id
)
130 if (trace
->streams
->len
<= stream_id
)
132 return g_ptr_array_index(trace
->streams
, stream_id
);
136 int visit_type_specifier(FILE *fd
, struct ctf_node
*type_specifier
, GString
*str
)
138 assert(type_specifier
->type
== NODE_TYPE_SPECIFIER
);
140 switch (type_specifier
->u
.type_specifier
.type
) {
142 g_string_append(str
, "void");
145 g_string_append(str
, "char");
148 g_string_append(str
, "short");
151 g_string_append(str
, "int");
154 g_string_append(str
, "long");
157 g_string_append(str
, "float");
159 case TYPESPEC_DOUBLE
:
160 g_string_append(str
, "double");
162 case TYPESPEC_SIGNED
:
163 g_string_append(str
, "signed");
165 case TYPESPEC_UNSIGNED
:
166 g_string_append(str
, "unsigned");
169 g_string_append(str
, "bool");
171 case TYPESPEC_COMPLEX
:
172 g_string_append(str
, "_Complex");
174 case TYPESPEC_IMAGINARY
:
175 g_string_append(str
, "_Imaginary");
178 g_string_append(str
, "const");
180 case TYPESPEC_ID_TYPE
:
181 if (type_specifier
->u
.type_specifier
.id_type
)
182 g_string_append(str
, type_specifier
->u
.type_specifier
.id_type
);
184 case TYPESPEC_STRUCT
:
186 struct ctf_node
*node
= type_specifier
->u
.type_specifier
.node
;
188 if (!node
->u
._struct
.name
) {
189 fprintf(fd
, "[error] %s: unexpected empty variant name\n", __func__
);
192 g_string_append(str
, "struct ");
193 g_string_append(str
, node
->u
._struct
.name
);
196 case TYPESPEC_VARIANT
:
198 struct ctf_node
*node
= type_specifier
->u
.type_specifier
.node
;
200 if (!node
->u
.variant
.name
) {
201 fprintf(fd
, "[error] %s: unexpected empty variant name\n", __func__
);
204 g_string_append(str
, "variant ");
205 g_string_append(str
, node
->u
.variant
.name
);
210 struct ctf_node
*node
= type_specifier
->u
.type_specifier
.node
;
212 if (!node
->u
._enum
.enum_id
) {
213 fprintf(fd
, "[error] %s: unexpected empty enum ID\n", __func__
);
216 g_string_append(str
, "enum ");
217 g_string_append(str
, node
->u
._enum
.enum_id
);
220 case TYPESPEC_FLOATING_POINT
:
221 case TYPESPEC_INTEGER
:
222 case TYPESPEC_STRING
:
224 fprintf(fd
, "[error] %s: unknown specifier\n", __func__
);
231 int visit_type_specifier_list(FILE *fd
, struct ctf_node
*type_specifier_list
, GString
*str
)
233 struct ctf_node
*iter
;
234 int alias_item_nr
= 0;
237 cds_list_for_each_entry(iter
, &type_specifier_list
->u
.type_specifier_list
.head
, siblings
) {
238 if (alias_item_nr
!= 0)
239 g_string_append(str
, " ");
241 ret
= visit_type_specifier(fd
, iter
, str
);
249 GQuark
create_typealias_identifier(FILE *fd
, int depth
,
250 struct ctf_node
*type_specifier_list
,
251 struct ctf_node
*node_type_declarator
)
253 struct ctf_node
*iter
;
259 str
= g_string_new("");
260 ret
= visit_type_specifier_list(fd
, type_specifier_list
, str
);
262 g_string_free(str
, TRUE
);
265 cds_list_for_each_entry(iter
, &node_type_declarator
->u
.type_declarator
.pointers
, siblings
) {
266 g_string_append(str
, " *");
267 if (iter
->u
.pointer
.const_qualifier
)
268 g_string_append(str
, " const");
270 str_c
= g_string_free(str
, FALSE
);
271 alias_q
= g_quark_from_string(str_c
);
277 struct declaration
*ctf_type_declarator_visit(FILE *fd
, int depth
,
278 struct ctf_node
*type_specifier_list
,
280 struct ctf_node
*node_type_declarator
,
281 struct declaration_scope
*declaration_scope
,
282 struct declaration
*nested_declaration
,
283 struct ctf_trace
*trace
)
286 * Visit type declarator by first taking care of sequence/array
287 * (recursively). Then, when we get to the identifier, take care
291 if (node_type_declarator
) {
292 assert(node_type_declarator
->u
.type_declarator
.type
!= TYPEDEC_UNKNOWN
);
294 /* TODO: gcc bitfields not supported yet. */
295 if (node_type_declarator
->u
.type_declarator
.bitfield_len
!= NULL
) {
296 fprintf(fd
, "[error] %s: gcc bitfields are not supported yet.\n", __func__
);
301 if (!nested_declaration
) {
302 if (node_type_declarator
&& !cds_list_empty(&node_type_declarator
->u
.type_declarator
.pointers
)) {
306 * If we have a pointer declarator, it _has_ to be present in
307 * the typealiases (else fail).
309 alias_q
= create_typealias_identifier(fd
, depth
,
310 type_specifier_list
, node_type_declarator
);
311 nested_declaration
= lookup_declaration(alias_q
, declaration_scope
);
312 if (!nested_declaration
) {
313 fprintf(fd
, "[error] %s: cannot find typealias \"%s\".\n", __func__
, g_quark_to_string(alias_q
));
317 nested_declaration
= ctf_type_specifier_list_visit(fd
, depth
,
318 type_specifier_list
, declaration_scope
, trace
);
322 if (!node_type_declarator
)
323 return nested_declaration
;
325 if (node_type_declarator
->u
.type_declarator
.type
== TYPEDEC_ID
) {
326 if (node_type_declarator
->u
.type_declarator
.u
.id
)
327 *field_name
= g_quark_from_string(node_type_declarator
->u
.type_declarator
.u
.id
);
330 return nested_declaration
;
332 struct declaration
*declaration
;
333 struct ctf_node
*length
;
337 /* create array/sequence, pass nested_declaration as child. */
338 length
= node_type_declarator
->u
.type_declarator
.u
.nested
.length
;
340 fprintf(fd
, "[error] %s: expecting length type or value.\n", __func__
);
343 switch (length
->type
) {
344 case NODE_UNARY_EXPRESSION
:
346 struct declaration_array
*array_declaration
;
349 if (length
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
350 fprintf(fd
, "[error] %s: array: unexpected unary expression.\n", __func__
);
353 len
= length
->u
.unary_expression
.u
.unsigned_constant
;
354 array_declaration
= array_declaration_new(len
, nested_declaration
,
356 declaration
= &array_declaration
->p
;
359 case NODE_TYPE_SPECIFIER_LIST
:
361 struct declaration_sequence
*sequence_declaration
;
362 struct declaration_integer
*integer_declaration
;
364 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
365 length
, declaration_scope
, trace
);
367 fprintf(fd
, "[error] %s: unable to find declaration type for sequence length\n", __func__
);
370 if (declaration
->id
!= CTF_TYPE_INTEGER
) {
371 fprintf(fd
, "[error] %s: length type for sequence is expected to be an integer (unsigned).\n", __func__
);
372 declaration_unref(declaration
);
375 integer_declaration
= container_of(declaration
, struct declaration_integer
, p
);
376 if (integer_declaration
->signedness
!= false) {
377 fprintf(fd
, "[error] %s: length type for sequence should always be an unsigned integer.\n", __func__
);
378 declaration_unref(declaration
);
382 sequence_declaration
= sequence_declaration_new(integer_declaration
,
383 nested_declaration
, declaration_scope
);
384 declaration
= &sequence_declaration
->p
;
391 /* Pass it as content of outer container */
392 declaration
= ctf_type_declarator_visit(fd
, depth
,
393 type_specifier_list
, field_name
,
394 node_type_declarator
->u
.type_declarator
.u
.nested
.type_declarator
,
395 declaration_scope
, declaration
, trace
);
401 int ctf_struct_type_declarators_visit(FILE *fd
, int depth
,
402 struct declaration_struct
*struct_declaration
,
403 struct ctf_node
*type_specifier_list
,
404 struct cds_list_head
*type_declarators
,
405 struct declaration_scope
*declaration_scope
,
406 struct ctf_trace
*trace
)
408 struct ctf_node
*iter
;
411 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
412 struct declaration
*field_declaration
;
414 field_declaration
= ctf_type_declarator_visit(fd
, depth
,
417 struct_declaration
->scope
,
419 if (!field_declaration
) {
420 fprintf(fd
, "[error] %s: unable to find struct field declaration type\n", __func__
);
423 struct_declaration_add_field(struct_declaration
,
424 g_quark_to_string(field_name
),
431 int ctf_variant_type_declarators_visit(FILE *fd
, int depth
,
432 struct declaration_untagged_variant
*untagged_variant_declaration
,
433 struct ctf_node
*type_specifier_list
,
434 struct cds_list_head
*type_declarators
,
435 struct declaration_scope
*declaration_scope
,
436 struct ctf_trace
*trace
)
438 struct ctf_node
*iter
;
441 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
442 struct declaration
*field_declaration
;
444 field_declaration
= ctf_type_declarator_visit(fd
, depth
,
447 untagged_variant_declaration
->scope
,
449 if (!field_declaration
) {
450 fprintf(fd
, "[error] %s: unable to find variant field declaration type\n", __func__
);
453 untagged_variant_declaration_add_field(untagged_variant_declaration
,
454 g_quark_to_string(field_name
),
461 int ctf_typedef_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
462 struct ctf_node
*type_specifier_list
,
463 struct cds_list_head
*type_declarators
,
464 struct ctf_trace
*trace
)
466 struct ctf_node
*iter
;
469 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
470 struct declaration
*type_declaration
;
473 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
477 if (!type_declaration
) {
478 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
482 * Don't allow typedef and typealias of untagged
485 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
486 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
487 declaration_unref(type_declaration
);
490 ret
= register_declaration(identifier
, type_declaration
, scope
);
492 type_declaration
->declaration_free(type_declaration
);
500 int ctf_typealias_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
501 struct ctf_node
*target
, struct ctf_node
*alias
,
502 struct ctf_trace
*trace
)
504 struct declaration
*type_declaration
;
505 struct ctf_node
*node
;
510 /* See ctf_visitor_type_declarator() in the semantic validator. */
513 * Create target type declaration.
516 if (cds_list_empty(&target
->u
.typealias_target
.type_declarators
))
519 node
= _cds_list_first_entry(&target
->u
.typealias_target
.type_declarators
,
520 struct ctf_node
, siblings
);
521 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
522 target
->u
.typealias_target
.type_specifier_list
,
525 if (!type_declaration
) {
526 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
531 * Don't allow typedef and typealias of untagged
534 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
535 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
536 declaration_unref(type_declaration
);
540 * The semantic validator does not check whether the target is
541 * abstract or not (if it has an identifier). Check it here.
544 fprintf(fd
, "[error] %s: expecting empty identifier\n", __func__
);
549 * Create alias identifier.
552 node
= _cds_list_first_entry(&alias
->u
.typealias_alias
.type_declarators
,
553 struct ctf_node
, siblings
);
554 alias_q
= create_typealias_identifier(fd
, depth
,
555 alias
->u
.typealias_alias
.type_specifier_list
, node
);
556 err
= register_declaration(alias_q
, type_declaration
, scope
);
562 type_declaration
->declaration_free(type_declaration
);
567 int ctf_struct_declaration_list_visit(FILE *fd
, int depth
,
568 struct ctf_node
*iter
, struct declaration_struct
*struct_declaration
,
569 struct ctf_trace
*trace
)
573 switch (iter
->type
) {
575 /* For each declarator, declare type and add type to struct declaration scope */
576 ret
= ctf_typedef_visit(fd
, depth
,
577 struct_declaration
->scope
,
578 iter
->u
._typedef
.type_specifier_list
,
579 &iter
->u
._typedef
.type_declarators
, trace
);
584 /* Declare type with declarator and add type to struct declaration scope */
585 ret
= ctf_typealias_visit(fd
, depth
,
586 struct_declaration
->scope
,
587 iter
->u
.typealias
.target
,
588 iter
->u
.typealias
.alias
, trace
);
592 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
593 /* Add field to structure declaration */
594 ret
= ctf_struct_type_declarators_visit(fd
, depth
,
596 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
597 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
598 struct_declaration
->scope
, trace
);
603 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
610 int ctf_variant_declaration_list_visit(FILE *fd
, int depth
,
611 struct ctf_node
*iter
,
612 struct declaration_untagged_variant
*untagged_variant_declaration
,
613 struct ctf_trace
*trace
)
617 switch (iter
->type
) {
619 /* For each declarator, declare type and add type to variant declaration scope */
620 ret
= ctf_typedef_visit(fd
, depth
,
621 untagged_variant_declaration
->scope
,
622 iter
->u
._typedef
.type_specifier_list
,
623 &iter
->u
._typedef
.type_declarators
, trace
);
628 /* Declare type with declarator and add type to variant declaration scope */
629 ret
= ctf_typealias_visit(fd
, depth
,
630 untagged_variant_declaration
->scope
,
631 iter
->u
.typealias
.target
,
632 iter
->u
.typealias
.alias
, trace
);
636 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
637 /* Add field to structure declaration */
638 ret
= ctf_variant_type_declarators_visit(fd
, depth
,
639 untagged_variant_declaration
,
640 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
641 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
642 untagged_variant_declaration
->scope
, trace
);
647 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
654 struct declaration
*ctf_declaration_struct_visit(FILE *fd
,
655 int depth
, const char *name
, struct cds_list_head
*declaration_list
,
656 int has_body
, struct cds_list_head
*min_align
,
657 struct declaration_scope
*declaration_scope
,
658 struct ctf_trace
*trace
)
660 struct declaration_struct
*struct_declaration
;
661 struct ctf_node
*iter
;
665 * For named struct (without body), lookup in
666 * declaration scope. Don't take reference on struct
667 * declaration: ref is only taken upon definition.
672 lookup_struct_declaration(g_quark_from_string(name
),
674 return &struct_declaration
->p
;
676 uint64_t min_align_value
= 0;
678 /* For unnamed struct, create type */
679 /* For named struct (with body), create type and add to declaration scope */
681 if (lookup_struct_declaration(g_quark_from_string(name
),
682 declaration_scope
)) {
684 fprintf(fd
, "[error] %s: struct %s already declared in scope\n", __func__
, name
);
688 if (!cds_list_empty(min_align
)) {
689 ret
= get_unary_unsigned(min_align
, &min_align_value
);
691 fprintf(fd
, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__
);
696 struct_declaration
= struct_declaration_new(declaration_scope
,
698 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
699 ret
= ctf_struct_declaration_list_visit(fd
, depth
+ 1, iter
,
700 struct_declaration
, trace
);
705 ret
= register_struct_declaration(g_quark_from_string(name
),
710 return &struct_declaration
->p
;
713 struct_declaration
->p
.declaration_free(&struct_declaration
->p
);
718 struct declaration
*ctf_declaration_variant_visit(FILE *fd
,
719 int depth
, const char *name
, const char *choice
,
720 struct cds_list_head
*declaration_list
,
721 int has_body
, struct declaration_scope
*declaration_scope
,
722 struct ctf_trace
*trace
)
724 struct declaration_untagged_variant
*untagged_variant_declaration
;
725 struct declaration_variant
*variant_declaration
;
726 struct ctf_node
*iter
;
730 * For named variant (without body), lookup in
731 * declaration scope. Don't take reference on variant
732 * declaration: ref is only taken upon definition.
736 untagged_variant_declaration
=
737 lookup_variant_declaration(g_quark_from_string(name
),
740 /* For unnamed variant, create type */
741 /* For named variant (with body), create type and add to declaration scope */
743 if (lookup_variant_declaration(g_quark_from_string(name
),
744 declaration_scope
)) {
746 fprintf(fd
, "[error] %s: variant %s already declared in scope\n", __func__
, name
);
750 untagged_variant_declaration
= untagged_variant_declaration_new(declaration_scope
);
751 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
752 ret
= ctf_variant_declaration_list_visit(fd
, depth
+ 1, iter
,
753 untagged_variant_declaration
, trace
);
758 ret
= register_variant_declaration(g_quark_from_string(name
),
759 untagged_variant_declaration
,
765 * if tagged, create tagged variant and return. else return
769 return &untagged_variant_declaration
->p
;
771 variant_declaration
= variant_declaration_new(untagged_variant_declaration
, choice
);
772 if (!variant_declaration
)
774 declaration_unref(&untagged_variant_declaration
->p
);
775 return &variant_declaration
->p
;
778 untagged_variant_declaration
->p
.declaration_free(&untagged_variant_declaration
->p
);
783 int ctf_enumerator_list_visit(FILE *fd
, int depth
,
784 struct ctf_node
*enumerator
,
785 struct declaration_enum
*enum_declaration
)
788 struct ctf_node
*iter
;
790 q
= g_quark_from_string(enumerator
->u
.enumerator
.id
);
791 if (enum_declaration
->integer_declaration
->signedness
) {
795 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
798 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
804 switch (iter
->u
.unary_expression
.type
) {
805 case UNARY_SIGNED_CONSTANT
:
806 *target
= iter
->u
.unary_expression
.u
.signed_constant
;
808 case UNARY_UNSIGNED_CONSTANT
:
809 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
812 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
816 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
823 enum_signed_insert(enum_declaration
, start
, end
, q
);
828 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
831 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
837 switch (iter
->u
.unary_expression
.type
) {
838 case UNARY_UNSIGNED_CONSTANT
:
839 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
841 case UNARY_SIGNED_CONSTANT
:
843 * We don't accept signed constants for enums with unsigned
846 fprintf(fd
, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__
);
849 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
853 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
860 enum_unsigned_insert(enum_declaration
, start
, end
, q
);
866 struct declaration
*ctf_declaration_enum_visit(FILE *fd
, int depth
,
868 struct ctf_node
*container_type
,
869 struct cds_list_head
*enumerator_list
,
871 struct declaration_scope
*declaration_scope
,
872 struct ctf_trace
*trace
)
874 struct declaration
*declaration
;
875 struct declaration_enum
*enum_declaration
;
876 struct declaration_integer
*integer_declaration
;
877 struct ctf_node
*iter
;
882 * For named enum (without body), lookup in
883 * declaration scope. Don't take reference on enum
884 * declaration: ref is only taken upon definition.
889 lookup_enum_declaration(g_quark_from_string(name
),
891 return &enum_declaration
->p
;
893 /* For unnamed enum, create type */
894 /* For named enum (with body), create type and add to declaration scope */
896 if (lookup_enum_declaration(g_quark_from_string(name
),
897 declaration_scope
)) {
899 fprintf(fd
, "[error] %s: enum %s already declared in scope\n", __func__
, name
);
903 if (!container_type
) {
904 declaration
= lookup_declaration(g_quark_from_static_string("int"),
907 fprintf(fd
, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__
);
911 declaration
= ctf_type_declarator_visit(fd
, depth
,
918 fprintf(fd
, "[error] %s: unable to create container type for enumeration\n", __func__
);
921 if (declaration
->id
!= CTF_TYPE_INTEGER
) {
922 fprintf(fd
, "[error] %s: container type for enumeration is not integer\n", __func__
);
925 integer_declaration
= container_of(declaration
, struct declaration_integer
, p
);
926 enum_declaration
= enum_declaration_new(integer_declaration
);
927 declaration_unref(&integer_declaration
->p
); /* leave ref to enum */
928 cds_list_for_each_entry(iter
, enumerator_list
, siblings
) {
929 ret
= ctf_enumerator_list_visit(fd
, depth
+ 1, iter
, enum_declaration
);
934 ret
= register_enum_declaration(g_quark_from_string(name
),
939 return &enum_declaration
->p
;
942 enum_declaration
->p
.declaration_free(&enum_declaration
->p
);
947 struct declaration
*ctf_declaration_type_specifier_visit(FILE *fd
, int depth
,
948 struct ctf_node
*type_specifier_list
,
949 struct declaration_scope
*declaration_scope
)
952 struct declaration
*declaration
;
957 str
= g_string_new("");
958 ret
= visit_type_specifier_list(fd
, type_specifier_list
, str
);
961 str_c
= g_string_free(str
, FALSE
);
962 id_q
= g_quark_from_string(str_c
);
964 declaration
= lookup_declaration(id_q
, declaration_scope
);
969 * Returns 0/1 boolean, or < 0 on error.
972 int get_boolean(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
974 if (unary_expression
->type
!= NODE_UNARY_EXPRESSION
) {
975 fprintf(fd
, "[error] %s: expecting unary expression\n",
979 switch (unary_expression
->u
.unary_expression
.type
) {
980 case UNARY_UNSIGNED_CONSTANT
:
981 if (unary_expression
->u
.unary_expression
.u
.unsigned_constant
== 0)
985 case UNARY_SIGNED_CONSTANT
:
986 if (unary_expression
->u
.unary_expression
.u
.signed_constant
== 0)
991 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "true"))
993 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "TRUE"))
995 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "false"))
997 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "FALSE"))
1000 fprintf(fd
, "[error] %s: unexpected string \"%s\"\n",
1001 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1006 fprintf(fd
, "[error] %s: unexpected unary expression type\n",
1014 int get_trace_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
1018 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1019 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1023 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1024 byte_order
= BIG_ENDIAN
;
1025 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1026 byte_order
= LITTLE_ENDIAN
;
1028 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1029 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1036 int get_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
,
1037 struct ctf_trace
*trace
)
1041 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1042 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1046 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "native"))
1047 byte_order
= trace
->byte_order
;
1048 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "network"))
1049 byte_order
= BIG_ENDIAN
;
1050 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1051 byte_order
= BIG_ENDIAN
;
1052 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1053 byte_order
= LITTLE_ENDIAN
;
1055 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1056 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1063 struct declaration
*ctf_declaration_integer_visit(FILE *fd
, int depth
,
1064 struct cds_list_head
*expressions
,
1065 struct ctf_trace
*trace
)
1067 struct ctf_node
*expression
;
1068 uint64_t alignment
, size
;
1069 int byte_order
= trace
->byte_order
;
1071 int has_alignment
= 0, has_size
= 0;
1073 struct declaration_integer
*integer_declaration
;
1075 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1076 struct ctf_node
*left
, *right
;
1078 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1079 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1080 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1081 if (!strcmp(left
->u
.unary_expression
.u
.string
, "signed")) {
1082 signedness
= get_boolean(fd
, depth
, right
);
1085 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1086 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1089 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "size")) {
1090 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1091 fprintf(fd
, "[error] %s: size: expecting unsigned constant\n",
1095 size
= right
->u
.unary_expression
.u
.unsigned_constant
;
1097 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1098 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1099 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1103 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1104 /* Make sure alignment is a power of two */
1105 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1106 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1111 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "base")) {
1112 switch (right
->u
.unary_expression
.type
) {
1113 case UNARY_UNSIGNED_CONSTANT
:
1114 switch (right
->u
.unary_expression
.u
.unsigned_constant
) {
1119 base
= right
->u
.unary_expression
.u
.unsigned_constant
;
1122 fprintf(fd
, "[error] %s: base not supported (%" PRIu64
")\n",
1123 __func__
, right
->u
.unary_expression
.u
.unsigned_constant
);
1129 char *s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1131 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1135 if (!strcmp(s_right
, "decimal") || !strcmp(s_right
, "dec") || !strcmp(s_right
, "d")
1136 || !strcmp(s_right
, "i") || !strcmp(s_right
, "u")) {
1138 } else if (!strcmp(s_right
, "hexadecimal") || !strcmp(s_right
, "hex")
1139 || !strcmp(s_right
, "x") || !strcmp(s_right
, "X")
1140 || !strcmp(s_right
, "p")) {
1142 } else if (!strcmp(s_right
, "octal") || !strcmp(s_right
, "oct")
1143 || !strcmp(s_right
, "o")) {
1145 } else if (!strcmp(s_right
, "binary") || !strcmp(s_right
, "b")) {
1148 fprintf(fd
, "[error] %s: unexpected expression for integer base (%s)\n", __func__
, s_right
);
1157 fprintf(fd
, "[error] %s: base: expecting unsigned constant or unary string\n",
1162 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1163 __func__
, left
->u
.unary_expression
.u
.string
);
1168 fprintf(fd
, "[error] %s: missing size attribute\n", __func__
);
1171 if (!has_alignment
) {
1172 if (size
% CHAR_BIT
) {
1173 /* bit-packed alignment */
1176 /* byte-packed alignment */
1177 alignment
= CHAR_BIT
;
1180 integer_declaration
= integer_declaration_new(size
,
1181 byte_order
, signedness
, alignment
, base
);
1182 return &integer_declaration
->p
;
1186 struct declaration
*ctf_declaration_floating_point_visit(FILE *fd
, int depth
,
1187 struct cds_list_head
*expressions
,
1188 struct ctf_trace
*trace
)
1190 struct ctf_node
*expression
;
1191 uint64_t alignment
, exp_dig
, mant_dig
, byte_order
= trace
->byte_order
;
1192 int has_alignment
= 0, has_exp_dig
= 0, has_mant_dig
= 0;
1193 struct declaration_float
*float_declaration
;
1195 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1196 struct ctf_node
*left
, *right
;
1198 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1199 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1200 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1201 if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1202 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1205 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "exp_dig")) {
1206 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1207 fprintf(fd
, "[error] %s: exp_dig: expecting unsigned constant\n",
1211 exp_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1213 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "mant_dig")) {
1214 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1215 fprintf(fd
, "[error] %s: mant_dig: expecting unsigned constant\n",
1219 mant_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1221 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1222 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1223 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1227 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1228 /* Make sure alignment is a power of two */
1229 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1230 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1236 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1237 __func__
, left
->u
.unary_expression
.u
.string
);
1241 if (!has_mant_dig
) {
1242 fprintf(fd
, "[error] %s: missing mant_dig attribute\n", __func__
);
1246 fprintf(fd
, "[error] %s: missing exp_dig attribute\n", __func__
);
1249 if (!has_alignment
) {
1250 if ((mant_dig
+ exp_dig
) % CHAR_BIT
) {
1251 /* bit-packed alignment */
1254 /* byte-packed alignment */
1255 alignment
= CHAR_BIT
;
1258 float_declaration
= float_declaration_new(mant_dig
, exp_dig
,
1259 byte_order
, alignment
);
1260 return &float_declaration
->p
;
1264 struct declaration
*ctf_declaration_string_visit(FILE *fd
, int depth
,
1265 struct cds_list_head
*expressions
,
1266 struct ctf_trace
*trace
)
1268 struct ctf_node
*expression
;
1269 const char *encoding_c
= NULL
;
1270 enum ctf_string_encoding encoding
= CTF_STRING_UTF8
;
1271 struct declaration_string
*string_declaration
;
1273 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1274 struct ctf_node
*left
, *right
;
1276 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1277 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1278 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1279 if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1280 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1281 fprintf(fd
, "[error] %s: encoding: expecting string\n",
1285 encoding_c
= right
->u
.unary_expression
.u
.string
;
1287 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1288 __func__
, left
->u
.unary_expression
.u
.string
);
1292 if (encoding_c
&& !strcmp(encoding_c
, "ASCII"))
1293 encoding
= CTF_STRING_ASCII
;
1294 string_declaration
= string_declaration_new(encoding
);
1295 return &string_declaration
->p
;
1300 struct declaration
*ctf_type_specifier_list_visit(FILE *fd
,
1301 int depth
, struct ctf_node
*type_specifier_list
,
1302 struct declaration_scope
*declaration_scope
,
1303 struct ctf_trace
*trace
)
1305 struct ctf_node
*first
;
1306 struct ctf_node
*node
;
1308 assert(type_specifier_list
->type
== NODE_TYPE_SPECIFIER_LIST
);
1310 first
= _cds_list_first_entry(&type_specifier_list
->u
.type_specifier_list
.head
, struct ctf_node
, siblings
);
1312 assert(first
->type
== NODE_TYPE_SPECIFIER
);
1314 node
= first
->u
.type_specifier
.node
;
1316 switch (first
->u
.type_specifier
.type
) {
1317 case TYPESPEC_FLOATING_POINT
:
1318 return ctf_declaration_floating_point_visit(fd
, depth
,
1319 &node
->u
.floating_point
.expressions
, trace
);
1320 case TYPESPEC_INTEGER
:
1321 return ctf_declaration_integer_visit(fd
, depth
,
1322 &node
->u
.integer
.expressions
, trace
);
1323 case TYPESPEC_STRING
:
1324 return ctf_declaration_string_visit(fd
, depth
,
1325 &node
->u
.string
.expressions
, trace
);
1326 case TYPESPEC_STRUCT
:
1327 return ctf_declaration_struct_visit(fd
, depth
,
1328 node
->u
._struct
.name
,
1329 &node
->u
._struct
.declaration_list
,
1330 node
->u
._struct
.has_body
,
1331 &node
->u
._struct
.min_align
,
1334 case TYPESPEC_VARIANT
:
1335 return ctf_declaration_variant_visit(fd
, depth
,
1336 node
->u
.variant
.name
,
1337 node
->u
.variant
.choice
,
1338 &node
->u
.variant
.declaration_list
,
1339 node
->u
.variant
.has_body
,
1343 return ctf_declaration_enum_visit(fd
, depth
,
1344 node
->u
._enum
.enum_id
,
1345 node
->u
._enum
.container_type
,
1346 &node
->u
._enum
.enumerator_list
,
1347 node
->u
._enum
.has_body
,
1353 case TYPESPEC_SHORT
:
1356 case TYPESPEC_FLOAT
:
1357 case TYPESPEC_DOUBLE
:
1358 case TYPESPEC_SIGNED
:
1359 case TYPESPEC_UNSIGNED
:
1361 case TYPESPEC_COMPLEX
:
1362 case TYPESPEC_IMAGINARY
:
1363 case TYPESPEC_CONST
:
1364 case TYPESPEC_ID_TYPE
:
1365 return ctf_declaration_type_specifier_visit(fd
, depth
,
1366 type_specifier_list
, declaration_scope
);
1368 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) first
->u
.type_specifier
.type
);
1374 int ctf_event_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_event
*event
, struct ctf_trace
*trace
)
1378 switch (node
->type
) {
1380 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1381 event
->declaration_scope
,
1382 node
->u
._typedef
.type_specifier_list
,
1383 &node
->u
._typedef
.type_declarators
,
1388 case NODE_TYPEALIAS
:
1389 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1390 event
->declaration_scope
,
1391 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1396 case NODE_CTF_EXPRESSION
:
1400 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1401 if (!strcmp(left
, "name")) {
1404 if (CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1405 fprintf(fd
, "[error] %s: name already declared in event declaration\n", __func__
);
1409 right
= concatenate_unary_strings(&node
->u
.ctf_expression
.right
);
1411 fprintf(fd
, "[error] %s: unexpected unary expression for event name\n", __func__
);
1415 event
->name
= g_quark_from_string(right
);
1417 CTF_EVENT_SET_FIELD(event
, name
);
1418 } else if (!strcmp(left
, "id")) {
1419 if (CTF_EVENT_FIELD_IS_SET(event
, id
)) {
1420 fprintf(fd
, "[error] %s: id already declared in event declaration\n", __func__
);
1424 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->id
);
1426 fprintf(fd
, "[error] %s: unexpected unary expression for event id\n", __func__
);
1430 CTF_EVENT_SET_FIELD(event
, id
);
1431 } else if (!strcmp(left
, "stream_id")) {
1432 if (CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1433 fprintf(fd
, "[error] %s: stream_id already declared in event declaration\n", __func__
);
1437 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->stream_id
);
1439 fprintf(fd
, "[error] %s: unexpected unary expression for event stream_id\n", __func__
);
1443 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1444 if (!event
->stream
) {
1445 fprintf(fd
, "[error] %s: stream id %" PRIu64
" cannot be found\n", __func__
, event
->stream_id
);
1449 CTF_EVENT_SET_FIELD(event
, stream_id
);
1450 } else if (!strcmp(left
, "context")) {
1451 struct declaration
*declaration
;
1453 if (event
->context_decl
) {
1454 fprintf(fd
, "[error] %s: context already declared in event declaration\n", __func__
);
1458 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1459 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1460 struct ctf_node
, siblings
),
1461 event
->declaration_scope
, trace
);
1466 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1470 event
->context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1471 } else if (!strcmp(left
, "fields")) {
1472 struct declaration
*declaration
;
1474 if (event
->fields_decl
) {
1475 fprintf(fd
, "[error] %s: fields already declared in event declaration\n", __func__
);
1479 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1480 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1481 struct ctf_node
, siblings
),
1482 event
->declaration_scope
, trace
);
1487 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1491 event
->fields_decl
= container_of(declaration
, struct declaration_struct
, p
);
1499 /* TODO: declaration specifier should be added. */
1506 int ctf_event_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1507 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1510 struct ctf_node
*iter
;
1511 struct ctf_event
*event
;
1512 struct definition_scope
*parent_def_scope
;
1514 event
= g_new0(struct ctf_event
, 1);
1515 event
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1516 cds_list_for_each_entry(iter
, &node
->u
.event
.declaration_list
, siblings
) {
1517 ret
= ctf_event_declaration_visit(fd
, depth
+ 1, iter
, event
, trace
);
1521 if (!CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1523 fprintf(fd
, "[error] %s: missing name field in event declaration\n", __func__
);
1526 if (!CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1527 /* Allow missing stream_id if there is only a single stream */
1528 switch (trace
->streams
->len
) {
1529 case 0: /* Create stream if there was none. */
1530 ret
= ctf_stream_visit(fd
, depth
, NULL
, trace
->root_declaration_scope
, trace
);
1535 event
->stream_id
= 0;
1536 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1540 fprintf(fd
, "[error] %s: missing stream_id field in event declaration\n", __func__
);
1544 /* Allow only one event without id per stream */
1545 if (!CTF_EVENT_FIELD_IS_SET(event
, id
)
1546 && event
->stream
->events_by_id
->len
!= 0) {
1548 fprintf(fd
, "[error] %s: missing id field in event declaration\n", __func__
);
1551 if (event
->stream
->events_by_id
->len
<= event
->id
)
1552 g_ptr_array_set_size(event
->stream
->events_by_id
, event
->id
+ 1);
1553 g_ptr_array_index(event
->stream
->events_by_id
, event
->id
) = event
;
1554 g_hash_table_insert(event
->stream
->event_quark_to_id
,
1555 (gpointer
)(unsigned long) event
->name
,
1557 parent_def_scope
= event
->stream
->definition_scope
;
1558 if (event
->context_decl
) {
1561 event
->context_decl
->p
.definition_new(&event
->context_decl
->p
,
1562 parent_def_scope
, 0, 0),
1563 struct definition_struct
, p
);
1564 set_dynamic_definition_scope(&event
->context
->p
,
1565 event
->context
->scope
,
1567 parent_def_scope
= event
->context
->scope
;
1568 declaration_unref(&event
->context_decl
->p
);
1570 if (event
->fields_decl
) {
1573 event
->fields_decl
->p
.definition_new(&event
->fields_decl
->p
,
1574 parent_def_scope
, 0, 0),
1575 struct definition_struct
, p
);
1576 set_dynamic_definition_scope(&event
->fields
->p
,
1577 event
->fields
->scope
,
1579 parent_def_scope
= event
->fields
->scope
;
1580 declaration_unref(&event
->fields_decl
->p
);
1585 declaration_unref(&event
->fields_decl
->p
);
1586 declaration_unref(&event
->context_decl
->p
);
1587 free_declaration_scope(event
->declaration_scope
);
1594 int ctf_stream_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_stream_class
*stream
, struct ctf_trace
*trace
)
1598 switch (node
->type
) {
1600 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1601 stream
->declaration_scope
,
1602 node
->u
._typedef
.type_specifier_list
,
1603 &node
->u
._typedef
.type_declarators
,
1608 case NODE_TYPEALIAS
:
1609 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1610 stream
->declaration_scope
,
1611 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1616 case NODE_CTF_EXPRESSION
:
1620 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1621 if (!strcmp(left
, "id")) {
1622 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1623 fprintf(fd
, "[error] %s: id already declared in stream declaration\n", __func__
);
1627 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &stream
->stream_id
);
1629 fprintf(fd
, "[error] %s: unexpected unary expression for stream id\n", __func__
);
1633 CTF_STREAM_SET_FIELD(stream
, stream_id
);
1634 } else if (!strcmp(left
, "event.header")) {
1635 struct declaration
*declaration
;
1637 if (stream
->event_header_decl
) {
1638 fprintf(fd
, "[error] %s: event.header already declared in stream declaration\n", __func__
);
1642 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1643 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1644 struct ctf_node
, siblings
),
1645 stream
->declaration_scope
, trace
);
1650 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1654 stream
->event_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1655 } else if (!strcmp(left
, "event.context")) {
1656 struct declaration
*declaration
;
1658 if (stream
->event_context_decl
) {
1659 fprintf(fd
, "[error] %s: event.context already declared in stream declaration\n", __func__
);
1663 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1664 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1665 struct ctf_node
, siblings
),
1666 stream
->declaration_scope
, trace
);
1671 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1675 stream
->event_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1676 } else if (!strcmp(left
, "packet.context")) {
1677 struct declaration
*declaration
;
1679 if (stream
->packet_context_decl
) {
1680 fprintf(fd
, "[error] %s: packet.context already declared in stream declaration\n", __func__
);
1684 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1685 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1686 struct ctf_node
, siblings
),
1687 stream
->declaration_scope
, trace
);
1692 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1696 stream
->packet_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1704 /* TODO: declaration specifier should be added. */
1711 int ctf_stream_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1712 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1715 struct ctf_node
*iter
;
1716 struct ctf_stream_class
*stream
;
1717 struct definition_scope
*parent_def_scope
;
1719 stream
= g_new0(struct ctf_stream_class
, 1);
1720 stream
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1721 stream
->events_by_id
= g_ptr_array_new();
1722 stream
->event_quark_to_id
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
1723 stream
->files
= g_ptr_array_new();
1725 cds_list_for_each_entry(iter
, &node
->u
.stream
.declaration_list
, siblings
) {
1726 ret
= ctf_stream_declaration_visit(fd
, depth
+ 1, iter
, stream
, trace
);
1731 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1732 /* check that packet header has stream_id field. */
1733 if (!trace
->packet_header_decl
1734 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("stream_id")) < 0) {
1736 fprintf(fd
, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__
);
1740 /* Allow only one id-less stream */
1741 if (trace
->streams
->len
!= 0) {
1743 fprintf(fd
, "[error] %s: missing id field in stream declaration\n", __func__
);
1746 stream
->stream_id
= 0;
1748 if (trace
->streams
->len
<= stream
->stream_id
)
1749 g_ptr_array_set_size(trace
->streams
, stream
->stream_id
+ 1);
1750 g_ptr_array_index(trace
->streams
, stream
->stream_id
) = stream
;
1752 parent_def_scope
= trace
->definition_scope
;
1753 if (stream
->packet_context_decl
) {
1754 stream
->packet_context
=
1756 stream
->packet_context_decl
->p
.definition_new(&stream
->packet_context_decl
->p
,
1757 parent_def_scope
, 0, 0),
1758 struct definition_struct
, p
);
1759 set_dynamic_definition_scope(&stream
->packet_context
->p
,
1760 stream
->packet_context
->scope
,
1761 "stream.packet.context");
1762 parent_def_scope
= stream
->packet_context
->scope
;
1763 declaration_unref(&stream
->packet_context_decl
->p
);
1765 if (stream
->event_header_decl
) {
1766 stream
->event_header
=
1768 stream
->event_header_decl
->p
.definition_new(&stream
->event_header_decl
->p
,
1769 parent_def_scope
, 0, 0),
1770 struct definition_struct
, p
);
1771 set_dynamic_definition_scope(&stream
->event_header
->p
,
1772 stream
->event_header
->scope
,
1773 "stream.event.header");
1774 parent_def_scope
= stream
->event_header
->scope
;
1775 declaration_unref(&stream
->event_header_decl
->p
);
1777 if (stream
->event_context_decl
) {
1778 stream
->event_context
=
1780 stream
->event_context_decl
->p
.definition_new(&stream
->event_context_decl
->p
,
1781 parent_def_scope
, 0, 0),
1782 struct definition_struct
, p
);
1783 set_dynamic_definition_scope(&stream
->event_context
->p
,
1784 stream
->event_context
->scope
,
1785 "stream.event.context");
1786 parent_def_scope
= stream
->event_context
->scope
;
1787 declaration_unref(&stream
->event_context_decl
->p
);
1789 stream
->definition_scope
= parent_def_scope
;
1794 declaration_unref(&stream
->event_header_decl
->p
);
1795 declaration_unref(&stream
->event_context_decl
->p
);
1796 declaration_unref(&stream
->packet_context_decl
->p
);
1797 g_ptr_array_free(stream
->files
, TRUE
);
1798 g_ptr_array_free(stream
->events_by_id
, TRUE
);
1799 g_hash_table_destroy(stream
->event_quark_to_id
);
1800 free_declaration_scope(stream
->declaration_scope
);
1806 int ctf_trace_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1810 switch (node
->type
) {
1812 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1813 trace
->declaration_scope
,
1814 node
->u
._typedef
.type_specifier_list
,
1815 &node
->u
._typedef
.type_declarators
,
1820 case NODE_TYPEALIAS
:
1821 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1822 trace
->declaration_scope
,
1823 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1828 case NODE_CTF_EXPRESSION
:
1832 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1833 if (!strcmp(left
, "major")) {
1834 if (CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1835 fprintf(fd
, "[error] %s: major already declared in trace declaration\n", __func__
);
1839 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->major
);
1841 fprintf(fd
, "[error] %s: unexpected unary expression for trace major number\n", __func__
);
1845 CTF_TRACE_SET_FIELD(trace
, major
);
1846 } else if (!strcmp(left
, "minor")) {
1847 if (CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1848 fprintf(fd
, "[error] %s: minor already declared in trace declaration\n", __func__
);
1852 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->minor
);
1854 fprintf(fd
, "[error] %s: unexpected unary expression for trace minor number\n", __func__
);
1858 CTF_TRACE_SET_FIELD(trace
, minor
);
1859 } else if (!strcmp(left
, "uuid")) {
1860 if (CTF_TRACE_FIELD_IS_SET(trace
, uuid
)) {
1861 fprintf(fd
, "[error] %s: uuid already declared in trace declaration\n", __func__
);
1865 ret
= get_unary_uuid(&node
->u
.ctf_expression
.right
, &trace
->uuid
);
1867 fprintf(fd
, "[error] %s: unexpected unary expression for trace uuid\n", __func__
);
1871 CTF_TRACE_SET_FIELD(trace
, uuid
);
1872 } else if (!strcmp(left
, "byte_order")) {
1873 struct ctf_node
*right
;
1876 if (CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1877 fprintf(fd
, "[error] %s: endianness already declared in trace declaration\n", __func__
);
1881 right
= _cds_list_first_entry(&node
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1882 byte_order
= get_trace_byte_order(fd
, depth
, right
);
1885 trace
->byte_order
= byte_order
;
1886 CTF_TRACE_SET_FIELD(trace
, byte_order
);
1887 } else if (!strcmp(left
, "packet.header")) {
1888 struct declaration
*declaration
;
1890 if (trace
->packet_header_decl
) {
1891 fprintf(fd
, "[error] %s: packet.header already declared in trace declaration\n", __func__
);
1895 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1896 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1897 struct ctf_node
, siblings
),
1898 trace
->declaration_scope
, trace
);
1903 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1907 trace
->packet_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1915 /* TODO: declaration specifier should be added. */
1922 int ctf_trace_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1924 struct definition_scope
*parent_def_scope
;
1926 struct ctf_node
*iter
;
1928 if (trace
->declaration_scope
)
1930 trace
->declaration_scope
= new_declaration_scope(trace
->root_declaration_scope
);
1931 trace
->streams
= g_ptr_array_new();
1932 cds_list_for_each_entry(iter
, &node
->u
.trace
.declaration_list
, siblings
) {
1933 ret
= ctf_trace_declaration_visit(fd
, depth
+ 1, iter
, trace
);
1937 if (!CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1939 fprintf(fd
, "[error] %s: missing major field in trace declaration\n", __func__
);
1942 if (!CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1944 fprintf(fd
, "[error] %s: missing minor field in trace declaration\n", __func__
);
1947 if (!CTF_TRACE_FIELD_IS_SET(trace
, uuid
)) {
1949 fprintf(fd
, "[error] %s: missing uuid field in trace declaration\n", __func__
);
1952 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1954 fprintf(fd
, "[error] %s: missing byte_order field in trace declaration\n", __func__
);
1958 parent_def_scope
= NULL
;
1959 if (trace
->packet_header_decl
) {
1960 trace
->packet_header
=
1962 trace
->packet_header_decl
->p
.definition_new(&trace
->packet_header_decl
->p
,
1963 parent_def_scope
, 0, 0),
1964 struct definition_struct
, p
);
1965 set_dynamic_definition_scope(&trace
->packet_header
->p
,
1966 trace
->packet_header
->scope
,
1967 "trace.packet.header");
1968 parent_def_scope
= trace
->packet_header
->scope
;
1969 declaration_unref(&trace
->packet_header_decl
->p
);
1971 trace
->definition_scope
= parent_def_scope
;
1973 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1974 /* check that the packet header contains a "magic" field */
1975 if (!trace
->packet_header
1976 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("magic")) < 0) {
1978 fprintf(fd
, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__
);
1979 goto error_free_def
;
1985 definition_unref(&trace
->packet_header
->p
);
1987 g_ptr_array_free(trace
->streams
, TRUE
);
1988 free_declaration_scope(trace
->declaration_scope
);
1993 int ctf_root_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1997 switch (node
->type
) {
1999 ret
= ctf_typedef_visit(fd
, depth
+ 1,
2000 trace
->root_declaration_scope
,
2001 node
->u
._typedef
.type_specifier_list
,
2002 &node
->u
._typedef
.type_declarators
,
2007 case NODE_TYPEALIAS
:
2008 ret
= ctf_typealias_visit(fd
, depth
+ 1,
2009 trace
->root_declaration_scope
,
2010 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
2015 case NODE_TYPE_SPECIFIER_LIST
:
2017 struct declaration
*declaration
;
2020 * Just add the type specifier to the root scope
2021 * declaration scope. Release local reference.
2023 declaration
= ctf_type_specifier_list_visit(fd
, depth
+ 1,
2024 node
, trace
->root_declaration_scope
, trace
);
2027 declaration_unref(declaration
);
2037 int ctf_visitor_construct_metadata(FILE *fd
, int depth
, struct ctf_node
*node
,
2038 struct ctf_trace
*trace
, int byte_order
)
2041 struct ctf_node
*iter
;
2043 printf_verbose("CTF visitor: metadata construction... ");
2044 trace
->root_declaration_scope
= new_declaration_scope(NULL
);
2045 trace
->streams
= g_ptr_array_new();
2046 trace
->byte_order
= byte_order
;
2048 switch (node
->type
) {
2050 cds_list_for_each_entry(iter
, &node
->u
.root
.declaration_list
,
2052 ret
= ctf_root_declaration_visit(fd
, depth
+ 1, iter
, trace
);
2054 fprintf(fd
, "[error] %s: root declaration error\n", __func__
);
2058 cds_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
2059 ret
= ctf_trace_visit(fd
, depth
+ 1, iter
, trace
);
2061 fprintf(fd
, "[error] %s: trace declaration error\n", __func__
);
2065 if (!trace
->streams
) {
2066 fprintf(fd
, "[error] %s: missing trace declaration\n", __func__
);
2069 cds_list_for_each_entry(iter
, &node
->u
.root
.stream
, siblings
) {
2070 ret
= ctf_stream_visit(fd
, depth
+ 1, iter
,
2071 trace
->root_declaration_scope
, trace
);
2073 fprintf(fd
, "[error] %s: stream declaration error\n", __func__
);
2077 cds_list_for_each_entry(iter
, &node
->u
.root
.event
, siblings
) {
2078 ret
= ctf_event_visit(fd
, depth
+ 1, iter
,
2079 trace
->root_declaration_scope
, trace
);
2081 fprintf(fd
, "[error] %s: event declaration error\n", __func__
);
2088 fprintf(fd
, "[error] %s: unknown node type %d\n", __func__
,
2092 printf_verbose("done.\n");