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
));
316 if (nested_declaration
->id
== CTF_TYPE_INTEGER
) {
317 struct declaration_integer
*integer_declaration
=
318 container_of(nested_declaration
, struct declaration_integer
, p
);
319 /* For base to 16 for pointers (expected pretty-print) */
320 if (!integer_declaration
->base
) {
322 * We need to do a copy of the
323 * integer declaration to modify it. There could be other references to
326 integer_declaration
= integer_declaration_new(integer_declaration
->len
,
327 integer_declaration
->byte_order
, integer_declaration
->signedness
,
328 integer_declaration
->p
.alignment
, 16, integer_declaration
->encoding
);
329 nested_declaration
= &integer_declaration
->p
;
333 nested_declaration
= ctf_type_specifier_list_visit(fd
, depth
,
334 type_specifier_list
, declaration_scope
, trace
);
338 if (!node_type_declarator
)
339 return nested_declaration
;
341 if (node_type_declarator
->u
.type_declarator
.type
== TYPEDEC_ID
) {
342 if (node_type_declarator
->u
.type_declarator
.u
.id
)
343 *field_name
= g_quark_from_string(node_type_declarator
->u
.type_declarator
.u
.id
);
346 return nested_declaration
;
348 struct declaration
*declaration
;
349 struct ctf_node
*first
;
353 /* create array/sequence, pass nested_declaration as child. */
354 if (cds_list_empty(&node_type_declarator
->u
.type_declarator
.u
.nested
.length
)) {
355 fprintf(fd
, "[error] %s: expecting length field reference or value.\n", __func__
);
358 first
= _cds_list_first_entry(&node_type_declarator
->u
.type_declarator
.u
.nested
.length
,
359 struct ctf_node
, siblings
);
360 assert(first
->type
== NODE_UNARY_EXPRESSION
);
362 switch (first
->u
.unary_expression
.type
) {
363 case UNARY_UNSIGNED_CONSTANT
:
365 struct declaration_array
*array_declaration
;
368 len
= first
->u
.unary_expression
.u
.unsigned_constant
;
369 array_declaration
= array_declaration_new(len
, nested_declaration
,
372 if (!array_declaration
) {
373 fprintf(fd
, "[error] %s: cannot create array declaration.\n", __func__
);
376 declaration
= &array_declaration
->p
;
381 /* Lookup unsigned integer definition, create sequence */
382 char *length_name
= concatenate_unary_strings(&node_type_declarator
->u
.type_declarator
.u
.nested
.length
);
383 struct declaration_sequence
*sequence_declaration
;
385 sequence_declaration
= sequence_declaration_new(length_name
, nested_declaration
, declaration_scope
);
386 if (!sequence_declaration
) {
387 fprintf(fd
, "[error] %s: cannot create sequence declaration.\n", __func__
);
390 declaration
= &sequence_declaration
->p
;
397 /* Pass it as content of outer container */
398 declaration
= ctf_type_declarator_visit(fd
, depth
,
399 type_specifier_list
, field_name
,
400 node_type_declarator
->u
.type_declarator
.u
.nested
.type_declarator
,
401 declaration_scope
, declaration
, trace
);
407 int ctf_struct_type_declarators_visit(FILE *fd
, int depth
,
408 struct declaration_struct
*struct_declaration
,
409 struct ctf_node
*type_specifier_list
,
410 struct cds_list_head
*type_declarators
,
411 struct declaration_scope
*declaration_scope
,
412 struct ctf_trace
*trace
)
414 struct ctf_node
*iter
;
417 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
418 struct declaration
*field_declaration
;
420 field_declaration
= ctf_type_declarator_visit(fd
, depth
,
423 struct_declaration
->scope
,
425 if (!field_declaration
) {
426 fprintf(fd
, "[error] %s: unable to find struct field declaration type\n", __func__
);
429 struct_declaration_add_field(struct_declaration
,
430 g_quark_to_string(field_name
),
437 int ctf_variant_type_declarators_visit(FILE *fd
, int depth
,
438 struct declaration_untagged_variant
*untagged_variant_declaration
,
439 struct ctf_node
*type_specifier_list
,
440 struct cds_list_head
*type_declarators
,
441 struct declaration_scope
*declaration_scope
,
442 struct ctf_trace
*trace
)
444 struct ctf_node
*iter
;
447 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
448 struct declaration
*field_declaration
;
450 field_declaration
= ctf_type_declarator_visit(fd
, depth
,
453 untagged_variant_declaration
->scope
,
455 if (!field_declaration
) {
456 fprintf(fd
, "[error] %s: unable to find variant field declaration type\n", __func__
);
459 untagged_variant_declaration_add_field(untagged_variant_declaration
,
460 g_quark_to_string(field_name
),
467 int ctf_typedef_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
468 struct ctf_node
*type_specifier_list
,
469 struct cds_list_head
*type_declarators
,
470 struct ctf_trace
*trace
)
472 struct ctf_node
*iter
;
475 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
476 struct declaration
*type_declaration
;
479 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
483 if (!type_declaration
) {
484 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
488 * Don't allow typedef and typealias of untagged
491 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
492 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
493 declaration_unref(type_declaration
);
496 ret
= register_declaration(identifier
, type_declaration
, scope
);
498 type_declaration
->declaration_free(type_declaration
);
506 int ctf_typealias_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
507 struct ctf_node
*target
, struct ctf_node
*alias
,
508 struct ctf_trace
*trace
)
510 struct declaration
*type_declaration
;
511 struct ctf_node
*node
;
516 /* See ctf_visitor_type_declarator() in the semantic validator. */
519 * Create target type declaration.
522 if (cds_list_empty(&target
->u
.typealias_target
.type_declarators
))
525 node
= _cds_list_first_entry(&target
->u
.typealias_target
.type_declarators
,
526 struct ctf_node
, siblings
);
527 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
528 target
->u
.typealias_target
.type_specifier_list
,
531 if (!type_declaration
) {
532 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
537 * Don't allow typedef and typealias of untagged
540 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
541 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
542 declaration_unref(type_declaration
);
546 * The semantic validator does not check whether the target is
547 * abstract or not (if it has an identifier). Check it here.
550 fprintf(fd
, "[error] %s: expecting empty identifier\n", __func__
);
555 * Create alias identifier.
558 node
= _cds_list_first_entry(&alias
->u
.typealias_alias
.type_declarators
,
559 struct ctf_node
, siblings
);
560 alias_q
= create_typealias_identifier(fd
, depth
,
561 alias
->u
.typealias_alias
.type_specifier_list
, node
);
562 err
= register_declaration(alias_q
, type_declaration
, scope
);
568 type_declaration
->declaration_free(type_declaration
);
573 int ctf_struct_declaration_list_visit(FILE *fd
, int depth
,
574 struct ctf_node
*iter
, struct declaration_struct
*struct_declaration
,
575 struct ctf_trace
*trace
)
579 switch (iter
->type
) {
581 /* For each declarator, declare type and add type to struct declaration scope */
582 ret
= ctf_typedef_visit(fd
, depth
,
583 struct_declaration
->scope
,
584 iter
->u
._typedef
.type_specifier_list
,
585 &iter
->u
._typedef
.type_declarators
, trace
);
590 /* Declare type with declarator and add type to struct declaration scope */
591 ret
= ctf_typealias_visit(fd
, depth
,
592 struct_declaration
->scope
,
593 iter
->u
.typealias
.target
,
594 iter
->u
.typealias
.alias
, trace
);
598 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
599 /* Add field to structure declaration */
600 ret
= ctf_struct_type_declarators_visit(fd
, depth
,
602 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
603 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
604 struct_declaration
->scope
, trace
);
609 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
616 int ctf_variant_declaration_list_visit(FILE *fd
, int depth
,
617 struct ctf_node
*iter
,
618 struct declaration_untagged_variant
*untagged_variant_declaration
,
619 struct ctf_trace
*trace
)
623 switch (iter
->type
) {
625 /* For each declarator, declare type and add type to variant declaration scope */
626 ret
= ctf_typedef_visit(fd
, depth
,
627 untagged_variant_declaration
->scope
,
628 iter
->u
._typedef
.type_specifier_list
,
629 &iter
->u
._typedef
.type_declarators
, trace
);
634 /* Declare type with declarator and add type to variant declaration scope */
635 ret
= ctf_typealias_visit(fd
, depth
,
636 untagged_variant_declaration
->scope
,
637 iter
->u
.typealias
.target
,
638 iter
->u
.typealias
.alias
, trace
);
642 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
643 /* Add field to structure declaration */
644 ret
= ctf_variant_type_declarators_visit(fd
, depth
,
645 untagged_variant_declaration
,
646 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
647 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
648 untagged_variant_declaration
->scope
, trace
);
653 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
660 struct declaration
*ctf_declaration_struct_visit(FILE *fd
,
661 int depth
, const char *name
, struct cds_list_head
*declaration_list
,
662 int has_body
, struct cds_list_head
*min_align
,
663 struct declaration_scope
*declaration_scope
,
664 struct ctf_trace
*trace
)
666 struct declaration_struct
*struct_declaration
;
667 struct ctf_node
*iter
;
671 * For named struct (without body), lookup in
672 * declaration scope. Don't take reference on struct
673 * declaration: ref is only taken upon definition.
678 lookup_struct_declaration(g_quark_from_string(name
),
680 return &struct_declaration
->p
;
682 uint64_t min_align_value
= 0;
684 /* For unnamed struct, create type */
685 /* For named struct (with body), create type and add to declaration scope */
687 if (lookup_struct_declaration(g_quark_from_string(name
),
688 declaration_scope
)) {
690 fprintf(fd
, "[error] %s: struct %s already declared in scope\n", __func__
, name
);
694 if (!cds_list_empty(min_align
)) {
695 ret
= get_unary_unsigned(min_align
, &min_align_value
);
697 fprintf(fd
, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__
);
702 struct_declaration
= struct_declaration_new(declaration_scope
,
704 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
705 ret
= ctf_struct_declaration_list_visit(fd
, depth
+ 1, iter
,
706 struct_declaration
, trace
);
711 ret
= register_struct_declaration(g_quark_from_string(name
),
716 return &struct_declaration
->p
;
719 struct_declaration
->p
.declaration_free(&struct_declaration
->p
);
724 struct declaration
*ctf_declaration_variant_visit(FILE *fd
,
725 int depth
, const char *name
, const char *choice
,
726 struct cds_list_head
*declaration_list
,
727 int has_body
, struct declaration_scope
*declaration_scope
,
728 struct ctf_trace
*trace
)
730 struct declaration_untagged_variant
*untagged_variant_declaration
;
731 struct declaration_variant
*variant_declaration
;
732 struct ctf_node
*iter
;
736 * For named variant (without body), lookup in
737 * declaration scope. Don't take reference on variant
738 * declaration: ref is only taken upon definition.
742 untagged_variant_declaration
=
743 lookup_variant_declaration(g_quark_from_string(name
),
746 /* For unnamed variant, create type */
747 /* For named variant (with body), create type and add to declaration scope */
749 if (lookup_variant_declaration(g_quark_from_string(name
),
750 declaration_scope
)) {
752 fprintf(fd
, "[error] %s: variant %s already declared in scope\n", __func__
, name
);
756 untagged_variant_declaration
= untagged_variant_declaration_new(declaration_scope
);
757 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
758 ret
= ctf_variant_declaration_list_visit(fd
, depth
+ 1, iter
,
759 untagged_variant_declaration
, trace
);
764 ret
= register_variant_declaration(g_quark_from_string(name
),
765 untagged_variant_declaration
,
771 * if tagged, create tagged variant and return. else return
775 return &untagged_variant_declaration
->p
;
777 variant_declaration
= variant_declaration_new(untagged_variant_declaration
, choice
);
778 if (!variant_declaration
)
780 declaration_unref(&untagged_variant_declaration
->p
);
781 return &variant_declaration
->p
;
784 untagged_variant_declaration
->p
.declaration_free(&untagged_variant_declaration
->p
);
789 int ctf_enumerator_list_visit(FILE *fd
, int depth
,
790 struct ctf_node
*enumerator
,
791 struct declaration_enum
*enum_declaration
)
794 struct ctf_node
*iter
;
796 q
= g_quark_from_string(enumerator
->u
.enumerator
.id
);
797 if (enum_declaration
->integer_declaration
->signedness
) {
801 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
804 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
810 switch (iter
->u
.unary_expression
.type
) {
811 case UNARY_SIGNED_CONSTANT
:
812 *target
= iter
->u
.unary_expression
.u
.signed_constant
;
814 case UNARY_UNSIGNED_CONSTANT
:
815 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
818 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
822 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
829 enum_signed_insert(enum_declaration
, start
, end
, q
);
834 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
837 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
843 switch (iter
->u
.unary_expression
.type
) {
844 case UNARY_UNSIGNED_CONSTANT
:
845 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
847 case UNARY_SIGNED_CONSTANT
:
849 * We don't accept signed constants for enums with unsigned
852 fprintf(fd
, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__
);
855 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
859 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
866 enum_unsigned_insert(enum_declaration
, start
, end
, q
);
872 struct declaration
*ctf_declaration_enum_visit(FILE *fd
, int depth
,
874 struct ctf_node
*container_type
,
875 struct cds_list_head
*enumerator_list
,
877 struct declaration_scope
*declaration_scope
,
878 struct ctf_trace
*trace
)
880 struct declaration
*declaration
;
881 struct declaration_enum
*enum_declaration
;
882 struct declaration_integer
*integer_declaration
;
883 struct ctf_node
*iter
;
888 * For named enum (without body), lookup in
889 * declaration scope. Don't take reference on enum
890 * declaration: ref is only taken upon definition.
895 lookup_enum_declaration(g_quark_from_string(name
),
897 return &enum_declaration
->p
;
899 /* For unnamed enum, create type */
900 /* For named enum (with body), create type and add to declaration scope */
902 if (lookup_enum_declaration(g_quark_from_string(name
),
903 declaration_scope
)) {
905 fprintf(fd
, "[error] %s: enum %s already declared in scope\n", __func__
, name
);
909 if (!container_type
) {
910 declaration
= lookup_declaration(g_quark_from_static_string("int"),
913 fprintf(fd
, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__
);
917 declaration
= ctf_type_declarator_visit(fd
, depth
,
924 fprintf(fd
, "[error] %s: unable to create container type for enumeration\n", __func__
);
927 if (declaration
->id
!= CTF_TYPE_INTEGER
) {
928 fprintf(fd
, "[error] %s: container type for enumeration is not integer\n", __func__
);
931 integer_declaration
= container_of(declaration
, struct declaration_integer
, p
);
932 enum_declaration
= enum_declaration_new(integer_declaration
);
933 declaration_unref(&integer_declaration
->p
); /* leave ref to enum */
934 cds_list_for_each_entry(iter
, enumerator_list
, siblings
) {
935 ret
= ctf_enumerator_list_visit(fd
, depth
+ 1, iter
, enum_declaration
);
940 ret
= register_enum_declaration(g_quark_from_string(name
),
945 return &enum_declaration
->p
;
948 enum_declaration
->p
.declaration_free(&enum_declaration
->p
);
953 struct declaration
*ctf_declaration_type_specifier_visit(FILE *fd
, int depth
,
954 struct ctf_node
*type_specifier_list
,
955 struct declaration_scope
*declaration_scope
)
958 struct declaration
*declaration
;
963 str
= g_string_new("");
964 ret
= visit_type_specifier_list(fd
, type_specifier_list
, str
);
967 str_c
= g_string_free(str
, FALSE
);
968 id_q
= g_quark_from_string(str_c
);
970 declaration
= lookup_declaration(id_q
, declaration_scope
);
975 * Returns 0/1 boolean, or < 0 on error.
978 int get_boolean(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
980 if (unary_expression
->type
!= NODE_UNARY_EXPRESSION
) {
981 fprintf(fd
, "[error] %s: expecting unary expression\n",
985 switch (unary_expression
->u
.unary_expression
.type
) {
986 case UNARY_UNSIGNED_CONSTANT
:
987 if (unary_expression
->u
.unary_expression
.u
.unsigned_constant
== 0)
991 case UNARY_SIGNED_CONSTANT
:
992 if (unary_expression
->u
.unary_expression
.u
.signed_constant
== 0)
997 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "true"))
999 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "TRUE"))
1001 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "false"))
1003 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "FALSE"))
1006 fprintf(fd
, "[error] %s: unexpected string \"%s\"\n",
1007 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1012 fprintf(fd
, "[error] %s: unexpected unary expression type\n",
1020 int get_trace_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
1024 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1025 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1029 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1030 byte_order
= BIG_ENDIAN
;
1031 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1032 byte_order
= LITTLE_ENDIAN
;
1034 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1035 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1042 int get_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
,
1043 struct ctf_trace
*trace
)
1047 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1048 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1052 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "native"))
1053 byte_order
= trace
->byte_order
;
1054 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "network"))
1055 byte_order
= BIG_ENDIAN
;
1056 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1057 byte_order
= BIG_ENDIAN
;
1058 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1059 byte_order
= LITTLE_ENDIAN
;
1061 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1062 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1069 struct declaration
*ctf_declaration_integer_visit(FILE *fd
, int depth
,
1070 struct cds_list_head
*expressions
,
1071 struct ctf_trace
*trace
)
1073 struct ctf_node
*expression
;
1074 uint64_t alignment
, size
;
1075 int byte_order
= trace
->byte_order
;
1077 int has_alignment
= 0, has_size
= 0;
1079 enum ctf_string_encoding encoding
= CTF_STRING_NONE
;
1080 struct declaration_integer
*integer_declaration
;
1082 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1083 struct ctf_node
*left
, *right
;
1085 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1086 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1087 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1088 if (!strcmp(left
->u
.unary_expression
.u
.string
, "signed")) {
1089 signedness
= get_boolean(fd
, depth
, right
);
1092 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1093 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1096 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "size")) {
1097 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1098 fprintf(fd
, "[error] %s: size: expecting unsigned constant\n",
1102 size
= right
->u
.unary_expression
.u
.unsigned_constant
;
1104 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1105 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1106 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1110 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1111 /* Make sure alignment is a power of two */
1112 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1113 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1118 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "base")) {
1119 switch (right
->u
.unary_expression
.type
) {
1120 case UNARY_UNSIGNED_CONSTANT
:
1121 switch (right
->u
.unary_expression
.u
.unsigned_constant
) {
1126 base
= right
->u
.unary_expression
.u
.unsigned_constant
;
1129 fprintf(fd
, "[error] %s: base not supported (%" PRIu64
")\n",
1130 __func__
, right
->u
.unary_expression
.u
.unsigned_constant
);
1136 char *s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1138 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1142 if (!strcmp(s_right
, "decimal") || !strcmp(s_right
, "dec") || !strcmp(s_right
, "d")
1143 || !strcmp(s_right
, "i") || !strcmp(s_right
, "u")) {
1145 } else if (!strcmp(s_right
, "hexadecimal") || !strcmp(s_right
, "hex")
1146 || !strcmp(s_right
, "x") || !strcmp(s_right
, "X")
1147 || !strcmp(s_right
, "p")) {
1149 } else if (!strcmp(s_right
, "octal") || !strcmp(s_right
, "oct")
1150 || !strcmp(s_right
, "o")) {
1152 } else if (!strcmp(s_right
, "binary") || !strcmp(s_right
, "b")) {
1155 fprintf(fd
, "[error] %s: unexpected expression for integer base (%s)\n", __func__
, s_right
);
1164 fprintf(fd
, "[error] %s: base: expecting unsigned constant or unary string\n",
1168 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1171 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1172 fprintf(fd
, "[error] %s: encoding: expecting unary string\n",
1176 s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1178 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1182 if (!strcmp(s_right
, "UTF8")
1183 || !strcmp(s_right
, "utf8")
1184 || !strcmp(s_right
, "utf-8")
1185 || !strcmp(s_right
, "UTF-8"))
1186 encoding
= CTF_STRING_UTF8
;
1187 else if (!strcmp(s_right
, "ASCII")
1188 || !strcmp(s_right
, "ascii"))
1189 encoding
= CTF_STRING_ASCII
;
1191 fprintf(fd
, "[error] %s: unknown string encoding \"%s\"\n", __func__
, s_right
);
1197 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1198 __func__
, left
->u
.unary_expression
.u
.string
);
1203 fprintf(fd
, "[error] %s: missing size attribute\n", __func__
);
1206 if (!has_alignment
) {
1207 if (size
% CHAR_BIT
) {
1208 /* bit-packed alignment */
1211 /* byte-packed alignment */
1212 alignment
= CHAR_BIT
;
1215 integer_declaration
= integer_declaration_new(size
,
1216 byte_order
, signedness
, alignment
,
1218 return &integer_declaration
->p
;
1222 struct declaration
*ctf_declaration_floating_point_visit(FILE *fd
, int depth
,
1223 struct cds_list_head
*expressions
,
1224 struct ctf_trace
*trace
)
1226 struct ctf_node
*expression
;
1227 uint64_t alignment
, exp_dig
, mant_dig
, byte_order
= trace
->byte_order
;
1228 int has_alignment
= 0, has_exp_dig
= 0, has_mant_dig
= 0;
1229 struct declaration_float
*float_declaration
;
1231 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1232 struct ctf_node
*left
, *right
;
1234 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1235 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1236 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1237 if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1238 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1241 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "exp_dig")) {
1242 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1243 fprintf(fd
, "[error] %s: exp_dig: expecting unsigned constant\n",
1247 exp_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1249 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "mant_dig")) {
1250 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1251 fprintf(fd
, "[error] %s: mant_dig: expecting unsigned constant\n",
1255 mant_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1257 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1258 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1259 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1263 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1264 /* Make sure alignment is a power of two */
1265 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1266 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1272 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1273 __func__
, left
->u
.unary_expression
.u
.string
);
1277 if (!has_mant_dig
) {
1278 fprintf(fd
, "[error] %s: missing mant_dig attribute\n", __func__
);
1282 fprintf(fd
, "[error] %s: missing exp_dig attribute\n", __func__
);
1285 if (!has_alignment
) {
1286 if ((mant_dig
+ exp_dig
) % CHAR_BIT
) {
1287 /* bit-packed alignment */
1290 /* byte-packed alignment */
1291 alignment
= CHAR_BIT
;
1294 float_declaration
= float_declaration_new(mant_dig
, exp_dig
,
1295 byte_order
, alignment
);
1296 return &float_declaration
->p
;
1300 struct declaration
*ctf_declaration_string_visit(FILE *fd
, int depth
,
1301 struct cds_list_head
*expressions
,
1302 struct ctf_trace
*trace
)
1304 struct ctf_node
*expression
;
1305 const char *encoding_c
= NULL
;
1306 enum ctf_string_encoding encoding
= CTF_STRING_UTF8
;
1307 struct declaration_string
*string_declaration
;
1309 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1310 struct ctf_node
*left
, *right
;
1312 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1313 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1314 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1315 if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1316 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1317 fprintf(fd
, "[error] %s: encoding: expecting string\n",
1321 encoding_c
= right
->u
.unary_expression
.u
.string
;
1323 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1324 __func__
, left
->u
.unary_expression
.u
.string
);
1328 if (encoding_c
&& !strcmp(encoding_c
, "ASCII"))
1329 encoding
= CTF_STRING_ASCII
;
1330 string_declaration
= string_declaration_new(encoding
);
1331 return &string_declaration
->p
;
1336 struct declaration
*ctf_type_specifier_list_visit(FILE *fd
,
1337 int depth
, struct ctf_node
*type_specifier_list
,
1338 struct declaration_scope
*declaration_scope
,
1339 struct ctf_trace
*trace
)
1341 struct ctf_node
*first
;
1342 struct ctf_node
*node
;
1344 assert(type_specifier_list
->type
== NODE_TYPE_SPECIFIER_LIST
);
1346 first
= _cds_list_first_entry(&type_specifier_list
->u
.type_specifier_list
.head
, struct ctf_node
, siblings
);
1348 assert(first
->type
== NODE_TYPE_SPECIFIER
);
1350 node
= first
->u
.type_specifier
.node
;
1352 switch (first
->u
.type_specifier
.type
) {
1353 case TYPESPEC_FLOATING_POINT
:
1354 return ctf_declaration_floating_point_visit(fd
, depth
,
1355 &node
->u
.floating_point
.expressions
, trace
);
1356 case TYPESPEC_INTEGER
:
1357 return ctf_declaration_integer_visit(fd
, depth
,
1358 &node
->u
.integer
.expressions
, trace
);
1359 case TYPESPEC_STRING
:
1360 return ctf_declaration_string_visit(fd
, depth
,
1361 &node
->u
.string
.expressions
, trace
);
1362 case TYPESPEC_STRUCT
:
1363 return ctf_declaration_struct_visit(fd
, depth
,
1364 node
->u
._struct
.name
,
1365 &node
->u
._struct
.declaration_list
,
1366 node
->u
._struct
.has_body
,
1367 &node
->u
._struct
.min_align
,
1370 case TYPESPEC_VARIANT
:
1371 return ctf_declaration_variant_visit(fd
, depth
,
1372 node
->u
.variant
.name
,
1373 node
->u
.variant
.choice
,
1374 &node
->u
.variant
.declaration_list
,
1375 node
->u
.variant
.has_body
,
1379 return ctf_declaration_enum_visit(fd
, depth
,
1380 node
->u
._enum
.enum_id
,
1381 node
->u
._enum
.container_type
,
1382 &node
->u
._enum
.enumerator_list
,
1383 node
->u
._enum
.has_body
,
1389 case TYPESPEC_SHORT
:
1392 case TYPESPEC_FLOAT
:
1393 case TYPESPEC_DOUBLE
:
1394 case TYPESPEC_SIGNED
:
1395 case TYPESPEC_UNSIGNED
:
1397 case TYPESPEC_COMPLEX
:
1398 case TYPESPEC_IMAGINARY
:
1399 case TYPESPEC_CONST
:
1400 case TYPESPEC_ID_TYPE
:
1401 return ctf_declaration_type_specifier_visit(fd
, depth
,
1402 type_specifier_list
, declaration_scope
);
1404 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) first
->u
.type_specifier
.type
);
1410 int ctf_event_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_event
*event
, struct ctf_trace
*trace
)
1414 switch (node
->type
) {
1416 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1417 event
->declaration_scope
,
1418 node
->u
._typedef
.type_specifier_list
,
1419 &node
->u
._typedef
.type_declarators
,
1424 case NODE_TYPEALIAS
:
1425 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1426 event
->declaration_scope
,
1427 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1432 case NODE_CTF_EXPRESSION
:
1436 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1437 if (!strcmp(left
, "name")) {
1440 if (CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1441 fprintf(fd
, "[error] %s: name already declared in event declaration\n", __func__
);
1445 right
= concatenate_unary_strings(&node
->u
.ctf_expression
.right
);
1447 fprintf(fd
, "[error] %s: unexpected unary expression for event name\n", __func__
);
1451 event
->name
= g_quark_from_string(right
);
1453 CTF_EVENT_SET_FIELD(event
, name
);
1454 } else if (!strcmp(left
, "id")) {
1455 if (CTF_EVENT_FIELD_IS_SET(event
, id
)) {
1456 fprintf(fd
, "[error] %s: id already declared in event declaration\n", __func__
);
1460 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->id
);
1462 fprintf(fd
, "[error] %s: unexpected unary expression for event id\n", __func__
);
1466 CTF_EVENT_SET_FIELD(event
, id
);
1467 } else if (!strcmp(left
, "stream_id")) {
1468 if (CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1469 fprintf(fd
, "[error] %s: stream_id already declared in event declaration\n", __func__
);
1473 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->stream_id
);
1475 fprintf(fd
, "[error] %s: unexpected unary expression for event stream_id\n", __func__
);
1479 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1480 if (!event
->stream
) {
1481 fprintf(fd
, "[error] %s: stream id %" PRIu64
" cannot be found\n", __func__
, event
->stream_id
);
1485 CTF_EVENT_SET_FIELD(event
, stream_id
);
1486 } else if (!strcmp(left
, "context")) {
1487 struct declaration
*declaration
;
1489 if (event
->context_decl
) {
1490 fprintf(fd
, "[error] %s: context already declared in event declaration\n", __func__
);
1494 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1495 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1496 struct ctf_node
, siblings
),
1497 event
->declaration_scope
, trace
);
1502 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1506 event
->context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1507 } else if (!strcmp(left
, "fields")) {
1508 struct declaration
*declaration
;
1510 if (event
->fields_decl
) {
1511 fprintf(fd
, "[error] %s: fields already declared in event declaration\n", __func__
);
1515 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1516 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1517 struct ctf_node
, siblings
),
1518 event
->declaration_scope
, trace
);
1523 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1527 event
->fields_decl
= container_of(declaration
, struct declaration_struct
, p
);
1529 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in event declaration.\n", __func__
, left
);
1539 /* TODO: declaration specifier should be added. */
1546 int ctf_event_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1547 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1550 struct ctf_node
*iter
;
1551 struct ctf_event
*event
;
1552 struct definition_scope
*parent_def_scope
;
1554 event
= g_new0(struct ctf_event
, 1);
1555 event
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1556 cds_list_for_each_entry(iter
, &node
->u
.event
.declaration_list
, siblings
) {
1557 ret
= ctf_event_declaration_visit(fd
, depth
+ 1, iter
, event
, trace
);
1561 if (!CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1563 fprintf(fd
, "[error] %s: missing name field in event declaration\n", __func__
);
1566 if (!CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1567 /* Allow missing stream_id if there is only a single stream */
1568 switch (trace
->streams
->len
) {
1569 case 0: /* Create stream if there was none. */
1570 ret
= ctf_stream_visit(fd
, depth
, NULL
, trace
->root_declaration_scope
, trace
);
1575 event
->stream_id
= 0;
1576 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1580 fprintf(fd
, "[error] %s: missing stream_id field in event declaration\n", __func__
);
1584 /* Allow only one event without id per stream */
1585 if (!CTF_EVENT_FIELD_IS_SET(event
, id
)
1586 && event
->stream
->events_by_id
->len
!= 0) {
1588 fprintf(fd
, "[error] %s: missing id field in event declaration\n", __func__
);
1591 if (event
->stream
->events_by_id
->len
<= event
->id
)
1592 g_ptr_array_set_size(event
->stream
->events_by_id
, event
->id
+ 1);
1593 g_ptr_array_index(event
->stream
->events_by_id
, event
->id
) = event
;
1594 g_hash_table_insert(event
->stream
->event_quark_to_id
,
1595 (gpointer
)(unsigned long) event
->name
,
1597 parent_def_scope
= event
->stream
->definition_scope
;
1598 if (event
->context_decl
) {
1599 struct definition
*definition
=
1600 event
->context_decl
->p
.definition_new(&event
->context_decl
->p
,
1601 parent_def_scope
, 0, 0, "event.context");
1606 event
->context
= container_of(definition
,
1607 struct definition_struct
, p
);
1608 parent_def_scope
= event
->context
->p
.scope
;
1610 if (event
->fields_decl
) {
1611 struct definition
*definition
=
1612 event
->fields_decl
->p
.definition_new(&event
->fields_decl
->p
,
1613 parent_def_scope
, 0, 0, "event.fields");
1618 event
->fields
= container_of(definition
,
1619 struct definition_struct
, p
);
1620 parent_def_scope
= event
->fields
->p
.scope
;
1626 definition_unref(&event
->context
->p
);
1628 definition_unref(&event
->fields
->p
);
1629 if (event
->fields_decl
)
1630 declaration_unref(&event
->fields_decl
->p
);
1631 if (event
->context_decl
)
1632 declaration_unref(&event
->context_decl
->p
);
1633 free_declaration_scope(event
->declaration_scope
);
1640 int ctf_stream_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_stream_class
*stream
, struct ctf_trace
*trace
)
1644 switch (node
->type
) {
1646 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1647 stream
->declaration_scope
,
1648 node
->u
._typedef
.type_specifier_list
,
1649 &node
->u
._typedef
.type_declarators
,
1654 case NODE_TYPEALIAS
:
1655 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1656 stream
->declaration_scope
,
1657 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1662 case NODE_CTF_EXPRESSION
:
1666 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1667 if (!strcmp(left
, "id")) {
1668 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1669 fprintf(fd
, "[error] %s: id already declared in stream declaration\n", __func__
);
1673 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &stream
->stream_id
);
1675 fprintf(fd
, "[error] %s: unexpected unary expression for stream id\n", __func__
);
1679 CTF_STREAM_SET_FIELD(stream
, stream_id
);
1680 } else if (!strcmp(left
, "event.header")) {
1681 struct declaration
*declaration
;
1683 if (stream
->event_header_decl
) {
1684 fprintf(fd
, "[error] %s: event.header already declared in stream declaration\n", __func__
);
1688 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1689 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1690 struct ctf_node
, siblings
),
1691 stream
->declaration_scope
, trace
);
1696 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1700 stream
->event_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1701 } else if (!strcmp(left
, "event.context")) {
1702 struct declaration
*declaration
;
1704 if (stream
->event_context_decl
) {
1705 fprintf(fd
, "[error] %s: event.context already declared in stream declaration\n", __func__
);
1709 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1710 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1711 struct ctf_node
, siblings
),
1712 stream
->declaration_scope
, trace
);
1717 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1721 stream
->event_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1722 } else if (!strcmp(left
, "packet.context")) {
1723 struct declaration
*declaration
;
1725 if (stream
->packet_context_decl
) {
1726 fprintf(fd
, "[error] %s: packet.context already declared in stream declaration\n", __func__
);
1730 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1731 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1732 struct ctf_node
, siblings
),
1733 stream
->declaration_scope
, trace
);
1738 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1742 stream
->packet_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1744 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__
, left
);
1755 /* TODO: declaration specifier should be added. */
1762 int ctf_stream_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1763 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1766 struct ctf_node
*iter
;
1767 struct ctf_stream_class
*stream
;
1768 struct definition_scope
*parent_def_scope
;
1770 stream
= g_new0(struct ctf_stream_class
, 1);
1771 stream
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1772 stream
->events_by_id
= g_ptr_array_new();
1773 stream
->event_quark_to_id
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
1774 stream
->files
= g_ptr_array_new();
1776 cds_list_for_each_entry(iter
, &node
->u
.stream
.declaration_list
, siblings
) {
1777 ret
= ctf_stream_declaration_visit(fd
, depth
+ 1, iter
, stream
, trace
);
1782 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1783 /* check that packet header has stream_id field. */
1784 if (!trace
->packet_header_decl
1785 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("stream_id")) < 0) {
1787 fprintf(fd
, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__
);
1791 /* Allow only one id-less stream */
1792 if (trace
->streams
->len
!= 0) {
1794 fprintf(fd
, "[error] %s: missing id field in stream declaration\n", __func__
);
1797 stream
->stream_id
= 0;
1799 if (trace
->streams
->len
<= stream
->stream_id
)
1800 g_ptr_array_set_size(trace
->streams
, stream
->stream_id
+ 1);
1801 g_ptr_array_index(trace
->streams
, stream
->stream_id
) = stream
;
1803 parent_def_scope
= trace
->definition_scope
;
1804 if (stream
->packet_context_decl
) {
1805 struct definition
*definition
=
1806 stream
->packet_context_decl
->p
.definition_new(&stream
->packet_context_decl
->p
,
1807 parent_def_scope
, 0, 0, "stream.packet.context");
1812 stream
->packet_context
= container_of(definition
,
1813 struct definition_struct
, p
);
1814 parent_def_scope
= stream
->packet_context
->p
.scope
;
1816 if (stream
->event_header_decl
) {
1817 struct definition
*definition
=
1818 stream
->event_header_decl
->p
.definition_new(&stream
->event_header_decl
->p
,
1819 parent_def_scope
, 0, 0, "stream.event.header");
1824 stream
->event_header
=
1825 container_of(definition
, struct definition_struct
, p
);
1826 parent_def_scope
= stream
->event_header
->p
.scope
;
1828 if (stream
->event_context_decl
) {
1829 struct definition
*definition
=
1830 stream
->event_context_decl
->p
.definition_new(&stream
->event_context_decl
->p
,
1831 parent_def_scope
, 0, 0, "stream.event.context");
1836 stream
->event_context
=
1837 container_of(definition
, struct definition_struct
, p
);
1838 parent_def_scope
= stream
->event_context
->p
.scope
;
1840 stream
->definition_scope
= parent_def_scope
;
1845 if (stream
->event_context
)
1846 definition_unref(&stream
->event_context
->p
);
1847 if (stream
->event_header
)
1848 definition_unref(&stream
->event_header
->p
);
1849 if (stream
->packet_context
)
1850 definition_unref(&stream
->packet_context
->p
);
1851 if (stream
->event_header_decl
)
1852 declaration_unref(&stream
->event_header_decl
->p
);
1853 if (stream
->event_context_decl
)
1854 declaration_unref(&stream
->event_context_decl
->p
);
1855 if (stream
->packet_context_decl
)
1856 declaration_unref(&stream
->packet_context_decl
->p
);
1857 g_ptr_array_free(stream
->files
, TRUE
);
1858 g_ptr_array_free(stream
->events_by_id
, TRUE
);
1859 g_hash_table_destroy(stream
->event_quark_to_id
);
1860 free_declaration_scope(stream
->declaration_scope
);
1866 int ctf_trace_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1870 switch (node
->type
) {
1872 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1873 trace
->declaration_scope
,
1874 node
->u
._typedef
.type_specifier_list
,
1875 &node
->u
._typedef
.type_declarators
,
1880 case NODE_TYPEALIAS
:
1881 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1882 trace
->declaration_scope
,
1883 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1888 case NODE_CTF_EXPRESSION
:
1892 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1893 if (!strcmp(left
, "major")) {
1894 if (CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1895 fprintf(fd
, "[error] %s: major already declared in trace declaration\n", __func__
);
1899 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->major
);
1901 fprintf(fd
, "[error] %s: unexpected unary expression for trace major number\n", __func__
);
1905 CTF_TRACE_SET_FIELD(trace
, major
);
1906 } else if (!strcmp(left
, "minor")) {
1907 if (CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1908 fprintf(fd
, "[error] %s: minor already declared in trace declaration\n", __func__
);
1912 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->minor
);
1914 fprintf(fd
, "[error] %s: unexpected unary expression for trace minor number\n", __func__
);
1918 CTF_TRACE_SET_FIELD(trace
, minor
);
1919 } else if (!strcmp(left
, "uuid")) {
1922 ret
= get_unary_uuid(&node
->u
.ctf_expression
.right
, &uuid
);
1924 fprintf(fd
, "[error] %s: unexpected unary expression for trace uuid\n", __func__
);
1928 if (CTF_TRACE_FIELD_IS_SET(trace
, uuid
)
1929 && uuid_compare(uuid
, trace
->uuid
)) {
1930 fprintf(fd
, "[error] %s: uuid mismatch\n", __func__
);
1934 memcpy(trace
->uuid
, uuid
, sizeof(uuid
));
1936 CTF_TRACE_SET_FIELD(trace
, uuid
);
1937 } else if (!strcmp(left
, "byte_order")) {
1938 struct ctf_node
*right
;
1941 right
= _cds_list_first_entry(&node
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1942 byte_order
= get_trace_byte_order(fd
, depth
, right
);
1946 if (CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)
1947 && byte_order
!= trace
->byte_order
) {
1948 fprintf(fd
, "[error] %s: endianness mismatch\n", __func__
);
1952 trace
->byte_order
= byte_order
;
1954 CTF_TRACE_SET_FIELD(trace
, byte_order
);
1955 } else if (!strcmp(left
, "packet.header")) {
1956 struct declaration
*declaration
;
1958 if (trace
->packet_header_decl
) {
1959 fprintf(fd
, "[error] %s: packet.header already declared in trace declaration\n", __func__
);
1963 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1964 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1965 struct ctf_node
, siblings
),
1966 trace
->declaration_scope
, trace
);
1971 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1975 trace
->packet_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1977 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__
, left
);
1988 /* TODO: declaration specifier should be added. */
1995 int ctf_trace_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1997 struct definition_scope
*parent_def_scope
;
1999 struct ctf_node
*iter
;
2001 if (trace
->declaration_scope
)
2003 trace
->declaration_scope
= new_declaration_scope(trace
->root_declaration_scope
);
2004 trace
->streams
= g_ptr_array_new();
2005 cds_list_for_each_entry(iter
, &node
->u
.trace
.declaration_list
, siblings
) {
2006 ret
= ctf_trace_declaration_visit(fd
, depth
+ 1, iter
, trace
);
2010 if (!CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
2012 fprintf(fd
, "[error] %s: missing major field in trace declaration\n", __func__
);
2015 if (!CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
2017 fprintf(fd
, "[error] %s: missing minor field in trace declaration\n", __func__
);
2020 if (!CTF_TRACE_FIELD_IS_SET(trace
, uuid
)) {
2022 fprintf(fd
, "[error] %s: missing uuid field in trace declaration\n", __func__
);
2025 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
2027 fprintf(fd
, "[error] %s: missing byte_order field in trace declaration\n", __func__
);
2031 parent_def_scope
= NULL
;
2032 if (trace
->packet_header_decl
) {
2033 struct definition
*definition
=
2034 trace
->packet_header_decl
->p
.definition_new(&trace
->packet_header_decl
->p
,
2035 parent_def_scope
, 0, 0, "trace.packet.header");
2040 trace
->packet_header
=
2041 container_of(definition
, struct definition_struct
, p
);
2042 parent_def_scope
= trace
->packet_header
->p
.scope
;
2044 trace
->definition_scope
= parent_def_scope
;
2046 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
2047 /* check that the packet header contains a "magic" field */
2048 if (!trace
->packet_header
2049 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("magic")) < 0) {
2051 fprintf(fd
, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__
);
2058 if (trace
->packet_header
)
2059 definition_unref(&trace
->packet_header
->p
);
2060 if (trace
->packet_header_decl
)
2061 declaration_unref(&trace
->packet_header_decl
->p
);
2062 g_ptr_array_free(trace
->streams
, TRUE
);
2063 free_declaration_scope(trace
->declaration_scope
);
2068 int ctf_root_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
2072 switch (node
->type
) {
2074 ret
= ctf_typedef_visit(fd
, depth
+ 1,
2075 trace
->root_declaration_scope
,
2076 node
->u
._typedef
.type_specifier_list
,
2077 &node
->u
._typedef
.type_declarators
,
2082 case NODE_TYPEALIAS
:
2083 ret
= ctf_typealias_visit(fd
, depth
+ 1,
2084 trace
->root_declaration_scope
,
2085 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
2090 case NODE_TYPE_SPECIFIER_LIST
:
2092 struct declaration
*declaration
;
2095 * Just add the type specifier to the root scope
2096 * declaration scope. Release local reference.
2098 declaration
= ctf_type_specifier_list_visit(fd
, depth
+ 1,
2099 node
, trace
->root_declaration_scope
, trace
);
2102 declaration_unref(declaration
);
2112 int ctf_visitor_construct_metadata(FILE *fd
, int depth
, struct ctf_node
*node
,
2113 struct ctf_trace
*trace
, int byte_order
)
2116 struct ctf_node
*iter
;
2118 printf_verbose("CTF visitor: metadata construction... ");
2119 trace
->root_declaration_scope
= new_declaration_scope(NULL
);
2120 trace
->byte_order
= byte_order
;
2122 switch (node
->type
) {
2124 cds_list_for_each_entry(iter
, &node
->u
.root
.declaration_list
,
2126 ret
= ctf_root_declaration_visit(fd
, depth
+ 1, iter
, trace
);
2128 fprintf(fd
, "[error] %s: root declaration error\n", __func__
);
2132 cds_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
2133 ret
= ctf_trace_visit(fd
, depth
+ 1, iter
, trace
);
2135 fprintf(fd
, "[error] %s: trace declaration error\n", __func__
);
2139 if (!trace
->streams
) {
2140 fprintf(fd
, "[error] %s: missing trace declaration\n", __func__
);
2144 cds_list_for_each_entry(iter
, &node
->u
.root
.stream
, siblings
) {
2145 ret
= ctf_stream_visit(fd
, depth
+ 1, iter
,
2146 trace
->root_declaration_scope
, trace
);
2148 fprintf(fd
, "[error] %s: stream declaration error\n", __func__
);
2152 cds_list_for_each_entry(iter
, &node
->u
.root
.event
, siblings
) {
2153 ret
= ctf_event_visit(fd
, depth
+ 1, iter
,
2154 trace
->root_declaration_scope
, trace
);
2156 fprintf(fd
, "[error] %s: event declaration error\n", __func__
);
2163 fprintf(fd
, "[error] %s: unknown node type %d\n", __func__
,
2168 printf_verbose("done.\n");
2172 free_declaration_scope(trace
->root_declaration_scope
);