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 if (!nested_declaration
) {
354 fprintf(fd
, "[error] %s: nested type is unknown.\n", __func__
);
358 /* create array/sequence, pass nested_declaration as child. */
359 if (cds_list_empty(&node_type_declarator
->u
.type_declarator
.u
.nested
.length
)) {
360 fprintf(fd
, "[error] %s: expecting length field reference or value.\n", __func__
);
363 first
= _cds_list_first_entry(&node_type_declarator
->u
.type_declarator
.u
.nested
.length
,
364 struct ctf_node
, siblings
);
365 assert(first
->type
== NODE_UNARY_EXPRESSION
);
367 switch (first
->u
.unary_expression
.type
) {
368 case UNARY_UNSIGNED_CONSTANT
:
370 struct declaration_array
*array_declaration
;
373 len
= first
->u
.unary_expression
.u
.unsigned_constant
;
374 array_declaration
= array_declaration_new(len
, nested_declaration
,
377 if (!array_declaration
) {
378 fprintf(fd
, "[error] %s: cannot create array declaration.\n", __func__
);
381 declaration
= &array_declaration
->p
;
386 /* Lookup unsigned integer definition, create sequence */
387 char *length_name
= concatenate_unary_strings(&node_type_declarator
->u
.type_declarator
.u
.nested
.length
);
388 struct declaration_sequence
*sequence_declaration
;
390 sequence_declaration
= sequence_declaration_new(length_name
, nested_declaration
, declaration_scope
);
391 if (!sequence_declaration
) {
392 fprintf(fd
, "[error] %s: cannot create sequence declaration.\n", __func__
);
395 declaration
= &sequence_declaration
->p
;
402 /* Pass it as content of outer container */
403 declaration
= ctf_type_declarator_visit(fd
, depth
,
404 type_specifier_list
, field_name
,
405 node_type_declarator
->u
.type_declarator
.u
.nested
.type_declarator
,
406 declaration_scope
, declaration
, trace
);
412 int ctf_struct_type_declarators_visit(FILE *fd
, int depth
,
413 struct declaration_struct
*struct_declaration
,
414 struct ctf_node
*type_specifier_list
,
415 struct cds_list_head
*type_declarators
,
416 struct declaration_scope
*declaration_scope
,
417 struct ctf_trace
*trace
)
419 struct ctf_node
*iter
;
422 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
423 struct declaration
*field_declaration
;
425 field_declaration
= ctf_type_declarator_visit(fd
, depth
,
428 struct_declaration
->scope
,
430 if (!field_declaration
) {
431 fprintf(fd
, "[error] %s: unable to find struct field declaration type\n", __func__
);
435 /* Check if field with same name already exists */
436 if (struct_declaration_lookup_field_index(struct_declaration
, field_name
) >= 0) {
437 fprintf(fd
, "[error] %s: duplicate field %s in struct\n", __func__
, g_quark_to_string(field_name
));
441 struct_declaration_add_field(struct_declaration
,
442 g_quark_to_string(field_name
),
449 int ctf_variant_type_declarators_visit(FILE *fd
, int depth
,
450 struct declaration_untagged_variant
*untagged_variant_declaration
,
451 struct ctf_node
*type_specifier_list
,
452 struct cds_list_head
*type_declarators
,
453 struct declaration_scope
*declaration_scope
,
454 struct ctf_trace
*trace
)
456 struct ctf_node
*iter
;
459 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
460 struct declaration
*field_declaration
;
462 field_declaration
= ctf_type_declarator_visit(fd
, depth
,
465 untagged_variant_declaration
->scope
,
467 if (!field_declaration
) {
468 fprintf(fd
, "[error] %s: unable to find variant field declaration type\n", __func__
);
472 if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration
, field_name
) != NULL
) {
473 fprintf(fd
, "[error] %s: duplicate field %s in variant\n", __func__
, g_quark_to_string(field_name
));
478 untagged_variant_declaration_add_field(untagged_variant_declaration
,
479 g_quark_to_string(field_name
),
486 int ctf_typedef_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
487 struct ctf_node
*type_specifier_list
,
488 struct cds_list_head
*type_declarators
,
489 struct ctf_trace
*trace
)
491 struct ctf_node
*iter
;
494 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
495 struct declaration
*type_declaration
;
498 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
502 if (!type_declaration
) {
503 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
507 * Don't allow typedef and typealias of untagged
510 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
511 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
512 declaration_unref(type_declaration
);
515 ret
= register_declaration(identifier
, type_declaration
, scope
);
517 type_declaration
->declaration_free(type_declaration
);
525 int ctf_typealias_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
526 struct ctf_node
*target
, struct ctf_node
*alias
,
527 struct ctf_trace
*trace
)
529 struct declaration
*type_declaration
;
530 struct ctf_node
*node
;
535 /* See ctf_visitor_type_declarator() in the semantic validator. */
538 * Create target type declaration.
541 if (cds_list_empty(&target
->u
.typealias_target
.type_declarators
))
544 node
= _cds_list_first_entry(&target
->u
.typealias_target
.type_declarators
,
545 struct ctf_node
, siblings
);
546 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
547 target
->u
.typealias_target
.type_specifier_list
,
550 if (!type_declaration
) {
551 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
556 * Don't allow typedef and typealias of untagged
559 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
560 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
561 declaration_unref(type_declaration
);
565 * The semantic validator does not check whether the target is
566 * abstract or not (if it has an identifier). Check it here.
569 fprintf(fd
, "[error] %s: expecting empty identifier\n", __func__
);
574 * Create alias identifier.
577 node
= _cds_list_first_entry(&alias
->u
.typealias_alias
.type_declarators
,
578 struct ctf_node
, siblings
);
579 alias_q
= create_typealias_identifier(fd
, depth
,
580 alias
->u
.typealias_alias
.type_specifier_list
, node
);
581 err
= register_declaration(alias_q
, type_declaration
, scope
);
587 type_declaration
->declaration_free(type_declaration
);
592 int ctf_struct_declaration_list_visit(FILE *fd
, int depth
,
593 struct ctf_node
*iter
, struct declaration_struct
*struct_declaration
,
594 struct ctf_trace
*trace
)
598 switch (iter
->type
) {
600 /* For each declarator, declare type and add type to struct declaration scope */
601 ret
= ctf_typedef_visit(fd
, depth
,
602 struct_declaration
->scope
,
603 iter
->u
._typedef
.type_specifier_list
,
604 &iter
->u
._typedef
.type_declarators
, trace
);
609 /* Declare type with declarator and add type to struct declaration scope */
610 ret
= ctf_typealias_visit(fd
, depth
,
611 struct_declaration
->scope
,
612 iter
->u
.typealias
.target
,
613 iter
->u
.typealias
.alias
, trace
);
617 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
618 /* Add field to structure declaration */
619 ret
= ctf_struct_type_declarators_visit(fd
, depth
,
621 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
622 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
623 struct_declaration
->scope
, trace
);
628 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
635 int ctf_variant_declaration_list_visit(FILE *fd
, int depth
,
636 struct ctf_node
*iter
,
637 struct declaration_untagged_variant
*untagged_variant_declaration
,
638 struct ctf_trace
*trace
)
642 switch (iter
->type
) {
644 /* For each declarator, declare type and add type to variant declaration scope */
645 ret
= ctf_typedef_visit(fd
, depth
,
646 untagged_variant_declaration
->scope
,
647 iter
->u
._typedef
.type_specifier_list
,
648 &iter
->u
._typedef
.type_declarators
, trace
);
653 /* Declare type with declarator and add type to variant declaration scope */
654 ret
= ctf_typealias_visit(fd
, depth
,
655 untagged_variant_declaration
->scope
,
656 iter
->u
.typealias
.target
,
657 iter
->u
.typealias
.alias
, trace
);
661 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
662 /* Add field to structure declaration */
663 ret
= ctf_variant_type_declarators_visit(fd
, depth
,
664 untagged_variant_declaration
,
665 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
666 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
667 untagged_variant_declaration
->scope
, trace
);
672 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
679 struct declaration
*ctf_declaration_struct_visit(FILE *fd
,
680 int depth
, const char *name
, struct cds_list_head
*declaration_list
,
681 int has_body
, struct cds_list_head
*min_align
,
682 struct declaration_scope
*declaration_scope
,
683 struct ctf_trace
*trace
)
685 struct declaration_struct
*struct_declaration
;
686 struct ctf_node
*iter
;
690 * For named struct (without body), lookup in
691 * declaration scope. Don't take reference on struct
692 * declaration: ref is only taken upon definition.
697 lookup_struct_declaration(g_quark_from_string(name
),
699 return &struct_declaration
->p
;
701 uint64_t min_align_value
= 0;
703 /* For unnamed struct, create type */
704 /* For named struct (with body), create type and add to declaration scope */
706 if (lookup_struct_declaration(g_quark_from_string(name
),
707 declaration_scope
)) {
709 fprintf(fd
, "[error] %s: struct %s already declared in scope\n", __func__
, name
);
713 if (!cds_list_empty(min_align
)) {
714 ret
= get_unary_unsigned(min_align
, &min_align_value
);
716 fprintf(fd
, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__
);
721 struct_declaration
= struct_declaration_new(declaration_scope
,
723 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
724 ret
= ctf_struct_declaration_list_visit(fd
, depth
+ 1, iter
,
725 struct_declaration
, trace
);
730 ret
= register_struct_declaration(g_quark_from_string(name
),
735 return &struct_declaration
->p
;
738 struct_declaration
->p
.declaration_free(&struct_declaration
->p
);
743 struct declaration
*ctf_declaration_variant_visit(FILE *fd
,
744 int depth
, const char *name
, const char *choice
,
745 struct cds_list_head
*declaration_list
,
746 int has_body
, struct declaration_scope
*declaration_scope
,
747 struct ctf_trace
*trace
)
749 struct declaration_untagged_variant
*untagged_variant_declaration
;
750 struct declaration_variant
*variant_declaration
;
751 struct ctf_node
*iter
;
755 * For named variant (without body), lookup in
756 * declaration scope. Don't take reference on variant
757 * declaration: ref is only taken upon definition.
761 untagged_variant_declaration
=
762 lookup_variant_declaration(g_quark_from_string(name
),
765 /* For unnamed variant, create type */
766 /* For named variant (with body), create type and add to declaration scope */
768 if (lookup_variant_declaration(g_quark_from_string(name
),
769 declaration_scope
)) {
771 fprintf(fd
, "[error] %s: variant %s already declared in scope\n", __func__
, name
);
775 untagged_variant_declaration
= untagged_variant_declaration_new(declaration_scope
);
776 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
777 ret
= ctf_variant_declaration_list_visit(fd
, depth
+ 1, iter
,
778 untagged_variant_declaration
, trace
);
783 ret
= register_variant_declaration(g_quark_from_string(name
),
784 untagged_variant_declaration
,
790 * if tagged, create tagged variant and return. else return
794 return &untagged_variant_declaration
->p
;
796 variant_declaration
= variant_declaration_new(untagged_variant_declaration
, choice
);
797 if (!variant_declaration
)
799 declaration_unref(&untagged_variant_declaration
->p
);
800 return &variant_declaration
->p
;
803 untagged_variant_declaration
->p
.declaration_free(&untagged_variant_declaration
->p
);
808 int ctf_enumerator_list_visit(FILE *fd
, int depth
,
809 struct ctf_node
*enumerator
,
810 struct declaration_enum
*enum_declaration
)
813 struct ctf_node
*iter
;
815 q
= g_quark_from_string(enumerator
->u
.enumerator
.id
);
816 if (enum_declaration
->integer_declaration
->signedness
) {
820 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
823 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
829 switch (iter
->u
.unary_expression
.type
) {
830 case UNARY_SIGNED_CONSTANT
:
831 *target
= iter
->u
.unary_expression
.u
.signed_constant
;
833 case UNARY_UNSIGNED_CONSTANT
:
834 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
837 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
841 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
848 enum_signed_insert(enum_declaration
, start
, end
, q
);
853 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
856 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
862 switch (iter
->u
.unary_expression
.type
) {
863 case UNARY_UNSIGNED_CONSTANT
:
864 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
866 case UNARY_SIGNED_CONSTANT
:
868 * We don't accept signed constants for enums with unsigned
871 fprintf(fd
, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__
);
874 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
878 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
885 enum_unsigned_insert(enum_declaration
, start
, end
, q
);
891 struct declaration
*ctf_declaration_enum_visit(FILE *fd
, int depth
,
893 struct ctf_node
*container_type
,
894 struct cds_list_head
*enumerator_list
,
896 struct declaration_scope
*declaration_scope
,
897 struct ctf_trace
*trace
)
899 struct declaration
*declaration
;
900 struct declaration_enum
*enum_declaration
;
901 struct declaration_integer
*integer_declaration
;
902 struct ctf_node
*iter
;
907 * For named enum (without body), lookup in
908 * declaration scope. Don't take reference on enum
909 * declaration: ref is only taken upon definition.
914 lookup_enum_declaration(g_quark_from_string(name
),
916 return &enum_declaration
->p
;
918 /* For unnamed enum, create type */
919 /* For named enum (with body), create type and add to declaration scope */
921 if (lookup_enum_declaration(g_quark_from_string(name
),
922 declaration_scope
)) {
924 fprintf(fd
, "[error] %s: enum %s already declared in scope\n", __func__
, name
);
928 if (!container_type
) {
929 declaration
= lookup_declaration(g_quark_from_static_string("int"),
932 fprintf(fd
, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__
);
936 declaration
= ctf_type_declarator_visit(fd
, depth
,
943 fprintf(fd
, "[error] %s: unable to create container type for enumeration\n", __func__
);
946 if (declaration
->id
!= CTF_TYPE_INTEGER
) {
947 fprintf(fd
, "[error] %s: container type for enumeration is not integer\n", __func__
);
950 integer_declaration
= container_of(declaration
, struct declaration_integer
, p
);
951 enum_declaration
= enum_declaration_new(integer_declaration
);
952 declaration_unref(&integer_declaration
->p
); /* leave ref to enum */
953 cds_list_for_each_entry(iter
, enumerator_list
, siblings
) {
954 ret
= ctf_enumerator_list_visit(fd
, depth
+ 1, iter
, enum_declaration
);
959 ret
= register_enum_declaration(g_quark_from_string(name
),
964 return &enum_declaration
->p
;
967 enum_declaration
->p
.declaration_free(&enum_declaration
->p
);
972 struct declaration
*ctf_declaration_type_specifier_visit(FILE *fd
, int depth
,
973 struct ctf_node
*type_specifier_list
,
974 struct declaration_scope
*declaration_scope
)
977 struct declaration
*declaration
;
982 str
= g_string_new("");
983 ret
= visit_type_specifier_list(fd
, type_specifier_list
, str
);
986 str_c
= g_string_free(str
, FALSE
);
987 id_q
= g_quark_from_string(str_c
);
989 declaration
= lookup_declaration(id_q
, declaration_scope
);
994 * Returns 0/1 boolean, or < 0 on error.
997 int get_boolean(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
999 if (unary_expression
->type
!= NODE_UNARY_EXPRESSION
) {
1000 fprintf(fd
, "[error] %s: expecting unary expression\n",
1004 switch (unary_expression
->u
.unary_expression
.type
) {
1005 case UNARY_UNSIGNED_CONSTANT
:
1006 if (unary_expression
->u
.unary_expression
.u
.unsigned_constant
== 0)
1010 case UNARY_SIGNED_CONSTANT
:
1011 if (unary_expression
->u
.unary_expression
.u
.signed_constant
== 0)
1016 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "true"))
1018 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "TRUE"))
1020 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "false"))
1022 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "FALSE"))
1025 fprintf(fd
, "[error] %s: unexpected string \"%s\"\n",
1026 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1031 fprintf(fd
, "[error] %s: unexpected unary expression type\n",
1039 int get_trace_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
1043 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1044 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1048 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1049 byte_order
= BIG_ENDIAN
;
1050 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1051 byte_order
= LITTLE_ENDIAN
;
1053 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1054 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1061 int get_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
,
1062 struct ctf_trace
*trace
)
1066 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1067 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1071 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "native"))
1072 byte_order
= trace
->byte_order
;
1073 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "network"))
1074 byte_order
= BIG_ENDIAN
;
1075 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1076 byte_order
= BIG_ENDIAN
;
1077 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1078 byte_order
= LITTLE_ENDIAN
;
1080 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1081 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1088 struct declaration
*ctf_declaration_integer_visit(FILE *fd
, int depth
,
1089 struct cds_list_head
*expressions
,
1090 struct ctf_trace
*trace
)
1092 struct ctf_node
*expression
;
1093 uint64_t alignment
, size
;
1094 int byte_order
= trace
->byte_order
;
1096 int has_alignment
= 0, has_size
= 0;
1098 enum ctf_string_encoding encoding
= CTF_STRING_NONE
;
1099 struct declaration_integer
*integer_declaration
;
1101 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1102 struct ctf_node
*left
, *right
;
1104 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1105 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1106 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1107 if (!strcmp(left
->u
.unary_expression
.u
.string
, "signed")) {
1108 signedness
= get_boolean(fd
, depth
, right
);
1111 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1112 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1115 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "size")) {
1116 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1117 fprintf(fd
, "[error] %s: size: expecting unsigned constant\n",
1121 size
= right
->u
.unary_expression
.u
.unsigned_constant
;
1123 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1124 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1125 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1129 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1130 /* Make sure alignment is a power of two */
1131 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1132 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1137 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "base")) {
1138 switch (right
->u
.unary_expression
.type
) {
1139 case UNARY_UNSIGNED_CONSTANT
:
1140 switch (right
->u
.unary_expression
.u
.unsigned_constant
) {
1145 base
= right
->u
.unary_expression
.u
.unsigned_constant
;
1148 fprintf(fd
, "[error] %s: base not supported (%" PRIu64
")\n",
1149 __func__
, right
->u
.unary_expression
.u
.unsigned_constant
);
1155 char *s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1157 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1161 if (!strcmp(s_right
, "decimal") || !strcmp(s_right
, "dec") || !strcmp(s_right
, "d")
1162 || !strcmp(s_right
, "i") || !strcmp(s_right
, "u")) {
1164 } else if (!strcmp(s_right
, "hexadecimal") || !strcmp(s_right
, "hex")
1165 || !strcmp(s_right
, "x") || !strcmp(s_right
, "X")
1166 || !strcmp(s_right
, "p")) {
1168 } else if (!strcmp(s_right
, "octal") || !strcmp(s_right
, "oct")
1169 || !strcmp(s_right
, "o")) {
1171 } else if (!strcmp(s_right
, "binary") || !strcmp(s_right
, "b")) {
1174 fprintf(fd
, "[error] %s: unexpected expression for integer base (%s)\n", __func__
, s_right
);
1183 fprintf(fd
, "[error] %s: base: expecting unsigned constant or unary string\n",
1187 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1190 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1191 fprintf(fd
, "[error] %s: encoding: expecting unary string\n",
1195 s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1197 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1201 if (!strcmp(s_right
, "UTF8")
1202 || !strcmp(s_right
, "utf8")
1203 || !strcmp(s_right
, "utf-8")
1204 || !strcmp(s_right
, "UTF-8"))
1205 encoding
= CTF_STRING_UTF8
;
1206 else if (!strcmp(s_right
, "ASCII")
1207 || !strcmp(s_right
, "ascii"))
1208 encoding
= CTF_STRING_ASCII
;
1209 else if (!strcmp(s_right
, "none"))
1210 encoding
= CTF_STRING_NONE
;
1212 fprintf(fd
, "[error] %s: unknown string encoding \"%s\"\n", __func__
, s_right
);
1218 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1219 __func__
, left
->u
.unary_expression
.u
.string
);
1224 fprintf(fd
, "[error] %s: missing size attribute\n", __func__
);
1227 if (!has_alignment
) {
1228 if (size
% CHAR_BIT
) {
1229 /* bit-packed alignment */
1232 /* byte-packed alignment */
1233 alignment
= CHAR_BIT
;
1236 integer_declaration
= integer_declaration_new(size
,
1237 byte_order
, signedness
, alignment
,
1239 return &integer_declaration
->p
;
1243 struct declaration
*ctf_declaration_floating_point_visit(FILE *fd
, int depth
,
1244 struct cds_list_head
*expressions
,
1245 struct ctf_trace
*trace
)
1247 struct ctf_node
*expression
;
1248 uint64_t alignment
, exp_dig
, mant_dig
, byte_order
= trace
->byte_order
;
1249 int has_alignment
= 0, has_exp_dig
= 0, has_mant_dig
= 0;
1250 struct declaration_float
*float_declaration
;
1252 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1253 struct ctf_node
*left
, *right
;
1255 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1256 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1257 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1258 if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1259 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1262 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "exp_dig")) {
1263 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1264 fprintf(fd
, "[error] %s: exp_dig: expecting unsigned constant\n",
1268 exp_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1270 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "mant_dig")) {
1271 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1272 fprintf(fd
, "[error] %s: mant_dig: expecting unsigned constant\n",
1276 mant_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1278 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1279 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1280 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1284 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1285 /* Make sure alignment is a power of two */
1286 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1287 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1293 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1294 __func__
, left
->u
.unary_expression
.u
.string
);
1298 if (!has_mant_dig
) {
1299 fprintf(fd
, "[error] %s: missing mant_dig attribute\n", __func__
);
1303 fprintf(fd
, "[error] %s: missing exp_dig attribute\n", __func__
);
1306 if (!has_alignment
) {
1307 if ((mant_dig
+ exp_dig
) % CHAR_BIT
) {
1308 /* bit-packed alignment */
1311 /* byte-packed alignment */
1312 alignment
= CHAR_BIT
;
1315 float_declaration
= float_declaration_new(mant_dig
, exp_dig
,
1316 byte_order
, alignment
);
1317 return &float_declaration
->p
;
1321 struct declaration
*ctf_declaration_string_visit(FILE *fd
, int depth
,
1322 struct cds_list_head
*expressions
,
1323 struct ctf_trace
*trace
)
1325 struct ctf_node
*expression
;
1326 const char *encoding_c
= NULL
;
1327 enum ctf_string_encoding encoding
= CTF_STRING_UTF8
;
1328 struct declaration_string
*string_declaration
;
1330 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1331 struct ctf_node
*left
, *right
;
1333 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1334 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1335 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1336 if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1337 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1338 fprintf(fd
, "[error] %s: encoding: expecting string\n",
1342 encoding_c
= right
->u
.unary_expression
.u
.string
;
1344 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1345 __func__
, left
->u
.unary_expression
.u
.string
);
1349 if (encoding_c
&& !strcmp(encoding_c
, "ASCII"))
1350 encoding
= CTF_STRING_ASCII
;
1351 string_declaration
= string_declaration_new(encoding
);
1352 return &string_declaration
->p
;
1357 struct declaration
*ctf_type_specifier_list_visit(FILE *fd
,
1358 int depth
, struct ctf_node
*type_specifier_list
,
1359 struct declaration_scope
*declaration_scope
,
1360 struct ctf_trace
*trace
)
1362 struct ctf_node
*first
;
1363 struct ctf_node
*node
;
1365 assert(type_specifier_list
->type
== NODE_TYPE_SPECIFIER_LIST
);
1367 first
= _cds_list_first_entry(&type_specifier_list
->u
.type_specifier_list
.head
, struct ctf_node
, siblings
);
1369 assert(first
->type
== NODE_TYPE_SPECIFIER
);
1371 node
= first
->u
.type_specifier
.node
;
1373 switch (first
->u
.type_specifier
.type
) {
1374 case TYPESPEC_FLOATING_POINT
:
1375 return ctf_declaration_floating_point_visit(fd
, depth
,
1376 &node
->u
.floating_point
.expressions
, trace
);
1377 case TYPESPEC_INTEGER
:
1378 return ctf_declaration_integer_visit(fd
, depth
,
1379 &node
->u
.integer
.expressions
, trace
);
1380 case TYPESPEC_STRING
:
1381 return ctf_declaration_string_visit(fd
, depth
,
1382 &node
->u
.string
.expressions
, trace
);
1383 case TYPESPEC_STRUCT
:
1384 return ctf_declaration_struct_visit(fd
, depth
,
1385 node
->u
._struct
.name
,
1386 &node
->u
._struct
.declaration_list
,
1387 node
->u
._struct
.has_body
,
1388 &node
->u
._struct
.min_align
,
1391 case TYPESPEC_VARIANT
:
1392 return ctf_declaration_variant_visit(fd
, depth
,
1393 node
->u
.variant
.name
,
1394 node
->u
.variant
.choice
,
1395 &node
->u
.variant
.declaration_list
,
1396 node
->u
.variant
.has_body
,
1400 return ctf_declaration_enum_visit(fd
, depth
,
1401 node
->u
._enum
.enum_id
,
1402 node
->u
._enum
.container_type
,
1403 &node
->u
._enum
.enumerator_list
,
1404 node
->u
._enum
.has_body
,
1410 case TYPESPEC_SHORT
:
1413 case TYPESPEC_FLOAT
:
1414 case TYPESPEC_DOUBLE
:
1415 case TYPESPEC_SIGNED
:
1416 case TYPESPEC_UNSIGNED
:
1418 case TYPESPEC_COMPLEX
:
1419 case TYPESPEC_IMAGINARY
:
1420 case TYPESPEC_CONST
:
1421 case TYPESPEC_ID_TYPE
:
1422 return ctf_declaration_type_specifier_visit(fd
, depth
,
1423 type_specifier_list
, declaration_scope
);
1425 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) first
->u
.type_specifier
.type
);
1431 int ctf_event_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_event
*event
, struct ctf_trace
*trace
)
1435 switch (node
->type
) {
1437 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1438 event
->declaration_scope
,
1439 node
->u
._typedef
.type_specifier_list
,
1440 &node
->u
._typedef
.type_declarators
,
1445 case NODE_TYPEALIAS
:
1446 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1447 event
->declaration_scope
,
1448 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1453 case NODE_CTF_EXPRESSION
:
1457 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1458 if (!strcmp(left
, "name")) {
1461 if (CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1462 fprintf(fd
, "[error] %s: name already declared in event declaration\n", __func__
);
1466 right
= concatenate_unary_strings(&node
->u
.ctf_expression
.right
);
1468 fprintf(fd
, "[error] %s: unexpected unary expression for event name\n", __func__
);
1472 event
->name
= g_quark_from_string(right
);
1474 CTF_EVENT_SET_FIELD(event
, name
);
1475 } else if (!strcmp(left
, "id")) {
1476 if (CTF_EVENT_FIELD_IS_SET(event
, id
)) {
1477 fprintf(fd
, "[error] %s: id already declared in event declaration\n", __func__
);
1481 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->id
);
1483 fprintf(fd
, "[error] %s: unexpected unary expression for event id\n", __func__
);
1487 CTF_EVENT_SET_FIELD(event
, id
);
1488 } else if (!strcmp(left
, "stream_id")) {
1489 if (CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1490 fprintf(fd
, "[error] %s: stream_id already declared in event declaration\n", __func__
);
1494 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->stream_id
);
1496 fprintf(fd
, "[error] %s: unexpected unary expression for event stream_id\n", __func__
);
1500 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1501 if (!event
->stream
) {
1502 fprintf(fd
, "[error] %s: stream id %" PRIu64
" cannot be found\n", __func__
, event
->stream_id
);
1506 CTF_EVENT_SET_FIELD(event
, stream_id
);
1507 } else if (!strcmp(left
, "context")) {
1508 struct declaration
*declaration
;
1510 if (event
->context_decl
) {
1511 fprintf(fd
, "[error] %s: context 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
->context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1528 } else if (!strcmp(left
, "fields")) {
1529 struct declaration
*declaration
;
1531 if (event
->fields_decl
) {
1532 fprintf(fd
, "[error] %s: fields already declared in event declaration\n", __func__
);
1536 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1537 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1538 struct ctf_node
, siblings
),
1539 event
->declaration_scope
, trace
);
1544 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1548 event
->fields_decl
= container_of(declaration
, struct declaration_struct
, p
);
1550 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in event declaration.\n", __func__
, left
);
1560 /* TODO: declaration specifier should be added. */
1567 int ctf_event_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1568 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1571 struct ctf_node
*iter
;
1572 struct ctf_event
*event
;
1574 event
= g_new0(struct ctf_event
, 1);
1575 event
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1576 cds_list_for_each_entry(iter
, &node
->u
.event
.declaration_list
, siblings
) {
1577 ret
= ctf_event_declaration_visit(fd
, depth
+ 1, iter
, event
, trace
);
1581 if (!CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1583 fprintf(fd
, "[error] %s: missing name field in event declaration\n", __func__
);
1586 if (!CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1587 /* Allow missing stream_id if there is only a single stream */
1588 switch (trace
->streams
->len
) {
1589 case 0: /* Create stream if there was none. */
1590 ret
= ctf_stream_visit(fd
, depth
, NULL
, trace
->root_declaration_scope
, trace
);
1595 event
->stream_id
= 0;
1596 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1600 fprintf(fd
, "[error] %s: missing stream_id field in event declaration\n", __func__
);
1604 /* Allow only one event without id per stream */
1605 if (!CTF_EVENT_FIELD_IS_SET(event
, id
)
1606 && event
->stream
->events_by_id
->len
!= 0) {
1608 fprintf(fd
, "[error] %s: missing id field in event declaration\n", __func__
);
1611 if (event
->stream
->events_by_id
->len
<= event
->id
)
1612 g_ptr_array_set_size(event
->stream
->events_by_id
, event
->id
+ 1);
1613 g_ptr_array_index(event
->stream
->events_by_id
, event
->id
) = event
;
1614 g_hash_table_insert(event
->stream
->event_quark_to_id
,
1615 (gpointer
)(unsigned long) event
->name
,
1620 if (event
->fields_decl
)
1621 declaration_unref(&event
->fields_decl
->p
);
1622 if (event
->context_decl
)
1623 declaration_unref(&event
->context_decl
->p
);
1624 free_declaration_scope(event
->declaration_scope
);
1631 int ctf_stream_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_stream_class
*stream
, struct ctf_trace
*trace
)
1635 switch (node
->type
) {
1637 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1638 stream
->declaration_scope
,
1639 node
->u
._typedef
.type_specifier_list
,
1640 &node
->u
._typedef
.type_declarators
,
1645 case NODE_TYPEALIAS
:
1646 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1647 stream
->declaration_scope
,
1648 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1653 case NODE_CTF_EXPRESSION
:
1657 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1658 if (!strcmp(left
, "id")) {
1659 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1660 fprintf(fd
, "[error] %s: id already declared in stream declaration\n", __func__
);
1664 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &stream
->stream_id
);
1666 fprintf(fd
, "[error] %s: unexpected unary expression for stream id\n", __func__
);
1670 CTF_STREAM_SET_FIELD(stream
, stream_id
);
1671 } else if (!strcmp(left
, "event.header")) {
1672 struct declaration
*declaration
;
1674 if (stream
->event_header_decl
) {
1675 fprintf(fd
, "[error] %s: event.header already declared in stream declaration\n", __func__
);
1679 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1680 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1681 struct ctf_node
, siblings
),
1682 stream
->declaration_scope
, trace
);
1687 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1691 stream
->event_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1692 } else if (!strcmp(left
, "event.context")) {
1693 struct declaration
*declaration
;
1695 if (stream
->event_context_decl
) {
1696 fprintf(fd
, "[error] %s: event.context already declared in stream declaration\n", __func__
);
1700 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1701 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1702 struct ctf_node
, siblings
),
1703 stream
->declaration_scope
, trace
);
1708 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1712 stream
->event_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1713 } else if (!strcmp(left
, "packet.context")) {
1714 struct declaration
*declaration
;
1716 if (stream
->packet_context_decl
) {
1717 fprintf(fd
, "[error] %s: packet.context already declared in stream declaration\n", __func__
);
1721 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1722 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1723 struct ctf_node
, siblings
),
1724 stream
->declaration_scope
, trace
);
1729 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1733 stream
->packet_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1735 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__
, left
);
1746 /* TODO: declaration specifier should be added. */
1753 int ctf_stream_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1754 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1757 struct ctf_node
*iter
;
1758 struct ctf_stream_class
*stream
;
1760 stream
= g_new0(struct ctf_stream_class
, 1);
1761 stream
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1762 stream
->events_by_id
= g_ptr_array_new();
1763 stream
->event_quark_to_id
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
1764 stream
->streams
= g_ptr_array_new();
1766 cds_list_for_each_entry(iter
, &node
->u
.stream
.declaration_list
, siblings
) {
1767 ret
= ctf_stream_declaration_visit(fd
, depth
+ 1, iter
, stream
, trace
);
1772 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1773 /* check that packet header has stream_id field. */
1774 if (!trace
->packet_header_decl
1775 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("stream_id")) < 0) {
1777 fprintf(fd
, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__
);
1781 /* Allow only one id-less stream */
1782 if (trace
->streams
->len
!= 0) {
1784 fprintf(fd
, "[error] %s: missing id field in stream declaration\n", __func__
);
1787 stream
->stream_id
= 0;
1789 if (trace
->streams
->len
<= stream
->stream_id
)
1790 g_ptr_array_set_size(trace
->streams
, stream
->stream_id
+ 1);
1791 g_ptr_array_index(trace
->streams
, stream
->stream_id
) = stream
;
1796 if (stream
->event_header_decl
)
1797 declaration_unref(&stream
->event_header_decl
->p
);
1798 if (stream
->event_context_decl
)
1799 declaration_unref(&stream
->event_context_decl
->p
);
1800 if (stream
->packet_context_decl
)
1801 declaration_unref(&stream
->packet_context_decl
->p
);
1802 g_ptr_array_free(stream
->streams
, TRUE
);
1803 g_ptr_array_free(stream
->events_by_id
, TRUE
);
1804 g_hash_table_destroy(stream
->event_quark_to_id
);
1805 free_declaration_scope(stream
->declaration_scope
);
1811 int ctf_trace_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1815 switch (node
->type
) {
1817 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1818 trace
->declaration_scope
,
1819 node
->u
._typedef
.type_specifier_list
,
1820 &node
->u
._typedef
.type_declarators
,
1825 case NODE_TYPEALIAS
:
1826 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1827 trace
->declaration_scope
,
1828 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1833 case NODE_CTF_EXPRESSION
:
1837 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1838 if (!strcmp(left
, "major")) {
1839 if (CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1840 fprintf(fd
, "[error] %s: major already declared in trace declaration\n", __func__
);
1844 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->major
);
1846 fprintf(fd
, "[error] %s: unexpected unary expression for trace major number\n", __func__
);
1850 CTF_TRACE_SET_FIELD(trace
, major
);
1851 } else if (!strcmp(left
, "minor")) {
1852 if (CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1853 fprintf(fd
, "[error] %s: minor already declared in trace declaration\n", __func__
);
1857 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->minor
);
1859 fprintf(fd
, "[error] %s: unexpected unary expression for trace minor number\n", __func__
);
1863 CTF_TRACE_SET_FIELD(trace
, minor
);
1864 } else if (!strcmp(left
, "uuid")) {
1867 ret
= get_unary_uuid(&node
->u
.ctf_expression
.right
, &uuid
);
1869 fprintf(fd
, "[error] %s: unexpected unary expression for trace uuid\n", __func__
);
1873 if (CTF_TRACE_FIELD_IS_SET(trace
, uuid
)
1874 && uuid_compare(uuid
, trace
->uuid
)) {
1875 fprintf(fd
, "[error] %s: uuid mismatch\n", __func__
);
1879 memcpy(trace
->uuid
, uuid
, sizeof(uuid
));
1881 CTF_TRACE_SET_FIELD(trace
, uuid
);
1882 } else if (!strcmp(left
, "byte_order")) {
1883 struct ctf_node
*right
;
1886 right
= _cds_list_first_entry(&node
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1887 byte_order
= get_trace_byte_order(fd
, depth
, right
);
1891 if (CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)
1892 && byte_order
!= trace
->byte_order
) {
1893 fprintf(fd
, "[error] %s: endianness mismatch\n", __func__
);
1897 trace
->byte_order
= byte_order
;
1899 CTF_TRACE_SET_FIELD(trace
, byte_order
);
1900 } else if (!strcmp(left
, "packet.header")) {
1901 struct declaration
*declaration
;
1903 if (trace
->packet_header_decl
) {
1904 fprintf(fd
, "[error] %s: packet.header already declared in trace declaration\n", __func__
);
1908 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1909 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1910 struct ctf_node
, siblings
),
1911 trace
->declaration_scope
, trace
);
1916 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1920 trace
->packet_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1922 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__
, left
);
1933 /* TODO: declaration specifier should be added. */
1940 int ctf_trace_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1943 struct ctf_node
*iter
;
1945 if (trace
->declaration_scope
)
1947 trace
->declaration_scope
= new_declaration_scope(trace
->root_declaration_scope
);
1948 trace
->streams
= g_ptr_array_new();
1949 cds_list_for_each_entry(iter
, &node
->u
.trace
.declaration_list
, siblings
) {
1950 ret
= ctf_trace_declaration_visit(fd
, depth
+ 1, iter
, trace
);
1954 if (!CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1956 fprintf(fd
, "[error] %s: missing major field in trace declaration\n", __func__
);
1959 if (!CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1961 fprintf(fd
, "[error] %s: missing minor field in trace declaration\n", __func__
);
1964 if (!CTF_TRACE_FIELD_IS_SET(trace
, uuid
)) {
1966 fprintf(fd
, "[error] %s: missing uuid field in trace declaration\n", __func__
);
1969 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1971 fprintf(fd
, "[error] %s: missing byte_order field in trace declaration\n", __func__
);
1975 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1976 /* check that the packet header contains a "magic" field */
1977 if (!trace
->packet_header_decl
1978 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("magic")) < 0) {
1980 fprintf(fd
, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__
);
1987 if (trace
->packet_header_decl
)
1988 declaration_unref(&trace
->packet_header_decl
->p
);
1989 g_ptr_array_free(trace
->streams
, TRUE
);
1990 free_declaration_scope(trace
->declaration_scope
);
1995 int ctf_root_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1999 switch (node
->type
) {
2001 ret
= ctf_typedef_visit(fd
, depth
+ 1,
2002 trace
->root_declaration_scope
,
2003 node
->u
._typedef
.type_specifier_list
,
2004 &node
->u
._typedef
.type_declarators
,
2009 case NODE_TYPEALIAS
:
2010 ret
= ctf_typealias_visit(fd
, depth
+ 1,
2011 trace
->root_declaration_scope
,
2012 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
2017 case NODE_TYPE_SPECIFIER_LIST
:
2019 struct declaration
*declaration
;
2022 * Just add the type specifier to the root scope
2023 * declaration scope. Release local reference.
2025 declaration
= ctf_type_specifier_list_visit(fd
, depth
+ 1,
2026 node
, trace
->root_declaration_scope
, trace
);
2029 declaration_unref(declaration
);
2039 int ctf_visitor_construct_metadata(FILE *fd
, int depth
, struct ctf_node
*node
,
2040 struct ctf_trace
*trace
, int byte_order
)
2043 struct ctf_node
*iter
;
2045 printf_verbose("CTF visitor: metadata construction... ");
2046 trace
->root_declaration_scope
= new_declaration_scope(NULL
);
2047 trace
->byte_order
= byte_order
;
2049 switch (node
->type
) {
2051 cds_list_for_each_entry(iter
, &node
->u
.root
.declaration_list
,
2053 ret
= ctf_root_declaration_visit(fd
, depth
+ 1, iter
, trace
);
2055 fprintf(fd
, "[error] %s: root declaration error\n", __func__
);
2059 cds_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
2060 ret
= ctf_trace_visit(fd
, depth
+ 1, iter
, trace
);
2062 fprintf(fd
, "[error] %s: trace declaration error\n", __func__
);
2066 if (!trace
->streams
) {
2067 fprintf(fd
, "[error] %s: missing trace declaration\n", __func__
);
2071 cds_list_for_each_entry(iter
, &node
->u
.root
.stream
, siblings
) {
2072 ret
= ctf_stream_visit(fd
, depth
+ 1, iter
,
2073 trace
->root_declaration_scope
, trace
);
2075 fprintf(fd
, "[error] %s: stream declaration error\n", __func__
);
2079 cds_list_for_each_entry(iter
, &node
->u
.root
.event
, siblings
) {
2080 ret
= ctf_event_visit(fd
, depth
+ 1, iter
,
2081 trace
->root_declaration_scope
, trace
);
2083 fprintf(fd
, "[error] %s: event declaration error\n", __func__
);
2090 fprintf(fd
, "[error] %s: unknown node type %d\n", __func__
,
2095 printf_verbose("done.\n");
2099 free_declaration_scope(trace
->root_declaration_scope
);