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__
);
471 untagged_variant_declaration_add_field(untagged_variant_declaration
,
472 g_quark_to_string(field_name
),
479 int ctf_typedef_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
480 struct ctf_node
*type_specifier_list
,
481 struct cds_list_head
*type_declarators
,
482 struct ctf_trace
*trace
)
484 struct ctf_node
*iter
;
487 cds_list_for_each_entry(iter
, type_declarators
, siblings
) {
488 struct declaration
*type_declaration
;
491 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
495 if (!type_declaration
) {
496 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
500 * Don't allow typedef and typealias of untagged
503 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
504 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
505 declaration_unref(type_declaration
);
508 ret
= register_declaration(identifier
, type_declaration
, scope
);
510 type_declaration
->declaration_free(type_declaration
);
518 int ctf_typealias_visit(FILE *fd
, int depth
, struct declaration_scope
*scope
,
519 struct ctf_node
*target
, struct ctf_node
*alias
,
520 struct ctf_trace
*trace
)
522 struct declaration
*type_declaration
;
523 struct ctf_node
*node
;
528 /* See ctf_visitor_type_declarator() in the semantic validator. */
531 * Create target type declaration.
534 if (cds_list_empty(&target
->u
.typealias_target
.type_declarators
))
537 node
= _cds_list_first_entry(&target
->u
.typealias_target
.type_declarators
,
538 struct ctf_node
, siblings
);
539 type_declaration
= ctf_type_declarator_visit(fd
, depth
,
540 target
->u
.typealias_target
.type_specifier_list
,
543 if (!type_declaration
) {
544 fprintf(fd
, "[error] %s: problem creating type declaration\n", __func__
);
549 * Don't allow typedef and typealias of untagged
552 if (type_declaration
->id
== CTF_TYPE_UNTAGGED_VARIANT
) {
553 fprintf(fd
, "[error] %s: typedef of untagged variant is not permitted.\n", __func__
);
554 declaration_unref(type_declaration
);
558 * The semantic validator does not check whether the target is
559 * abstract or not (if it has an identifier). Check it here.
562 fprintf(fd
, "[error] %s: expecting empty identifier\n", __func__
);
567 * Create alias identifier.
570 node
= _cds_list_first_entry(&alias
->u
.typealias_alias
.type_declarators
,
571 struct ctf_node
, siblings
);
572 alias_q
= create_typealias_identifier(fd
, depth
,
573 alias
->u
.typealias_alias
.type_specifier_list
, node
);
574 err
= register_declaration(alias_q
, type_declaration
, scope
);
580 type_declaration
->declaration_free(type_declaration
);
585 int ctf_struct_declaration_list_visit(FILE *fd
, int depth
,
586 struct ctf_node
*iter
, struct declaration_struct
*struct_declaration
,
587 struct ctf_trace
*trace
)
591 switch (iter
->type
) {
593 /* For each declarator, declare type and add type to struct declaration scope */
594 ret
= ctf_typedef_visit(fd
, depth
,
595 struct_declaration
->scope
,
596 iter
->u
._typedef
.type_specifier_list
,
597 &iter
->u
._typedef
.type_declarators
, trace
);
602 /* Declare type with declarator and add type to struct declaration scope */
603 ret
= ctf_typealias_visit(fd
, depth
,
604 struct_declaration
->scope
,
605 iter
->u
.typealias
.target
,
606 iter
->u
.typealias
.alias
, trace
);
610 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
611 /* Add field to structure declaration */
612 ret
= ctf_struct_type_declarators_visit(fd
, depth
,
614 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
615 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
616 struct_declaration
->scope
, trace
);
621 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
628 int ctf_variant_declaration_list_visit(FILE *fd
, int depth
,
629 struct ctf_node
*iter
,
630 struct declaration_untagged_variant
*untagged_variant_declaration
,
631 struct ctf_trace
*trace
)
635 switch (iter
->type
) {
637 /* For each declarator, declare type and add type to variant declaration scope */
638 ret
= ctf_typedef_visit(fd
, depth
,
639 untagged_variant_declaration
->scope
,
640 iter
->u
._typedef
.type_specifier_list
,
641 &iter
->u
._typedef
.type_declarators
, trace
);
646 /* Declare type with declarator and add type to variant declaration scope */
647 ret
= ctf_typealias_visit(fd
, depth
,
648 untagged_variant_declaration
->scope
,
649 iter
->u
.typealias
.target
,
650 iter
->u
.typealias
.alias
, trace
);
654 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
655 /* Add field to structure declaration */
656 ret
= ctf_variant_type_declarators_visit(fd
, depth
,
657 untagged_variant_declaration
,
658 iter
->u
.struct_or_variant_declaration
.type_specifier_list
,
659 &iter
->u
.struct_or_variant_declaration
.type_declarators
,
660 untagged_variant_declaration
->scope
, trace
);
665 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) iter
->type
);
672 struct declaration
*ctf_declaration_struct_visit(FILE *fd
,
673 int depth
, const char *name
, struct cds_list_head
*declaration_list
,
674 int has_body
, struct cds_list_head
*min_align
,
675 struct declaration_scope
*declaration_scope
,
676 struct ctf_trace
*trace
)
678 struct declaration_struct
*struct_declaration
;
679 struct ctf_node
*iter
;
683 * For named struct (without body), lookup in
684 * declaration scope. Don't take reference on struct
685 * declaration: ref is only taken upon definition.
690 lookup_struct_declaration(g_quark_from_string(name
),
692 return &struct_declaration
->p
;
694 uint64_t min_align_value
= 0;
696 /* For unnamed struct, create type */
697 /* For named struct (with body), create type and add to declaration scope */
699 if (lookup_struct_declaration(g_quark_from_string(name
),
700 declaration_scope
)) {
702 fprintf(fd
, "[error] %s: struct %s already declared in scope\n", __func__
, name
);
706 if (!cds_list_empty(min_align
)) {
707 ret
= get_unary_unsigned(min_align
, &min_align_value
);
709 fprintf(fd
, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__
);
714 struct_declaration
= struct_declaration_new(declaration_scope
,
716 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
717 ret
= ctf_struct_declaration_list_visit(fd
, depth
+ 1, iter
,
718 struct_declaration
, trace
);
723 ret
= register_struct_declaration(g_quark_from_string(name
),
728 return &struct_declaration
->p
;
731 struct_declaration
->p
.declaration_free(&struct_declaration
->p
);
736 struct declaration
*ctf_declaration_variant_visit(FILE *fd
,
737 int depth
, const char *name
, const char *choice
,
738 struct cds_list_head
*declaration_list
,
739 int has_body
, struct declaration_scope
*declaration_scope
,
740 struct ctf_trace
*trace
)
742 struct declaration_untagged_variant
*untagged_variant_declaration
;
743 struct declaration_variant
*variant_declaration
;
744 struct ctf_node
*iter
;
748 * For named variant (without body), lookup in
749 * declaration scope. Don't take reference on variant
750 * declaration: ref is only taken upon definition.
754 untagged_variant_declaration
=
755 lookup_variant_declaration(g_quark_from_string(name
),
758 /* For unnamed variant, create type */
759 /* For named variant (with body), create type and add to declaration scope */
761 if (lookup_variant_declaration(g_quark_from_string(name
),
762 declaration_scope
)) {
764 fprintf(fd
, "[error] %s: variant %s already declared in scope\n", __func__
, name
);
768 untagged_variant_declaration
= untagged_variant_declaration_new(declaration_scope
);
769 cds_list_for_each_entry(iter
, declaration_list
, siblings
) {
770 ret
= ctf_variant_declaration_list_visit(fd
, depth
+ 1, iter
,
771 untagged_variant_declaration
, trace
);
776 ret
= register_variant_declaration(g_quark_from_string(name
),
777 untagged_variant_declaration
,
783 * if tagged, create tagged variant and return. else return
787 return &untagged_variant_declaration
->p
;
789 variant_declaration
= variant_declaration_new(untagged_variant_declaration
, choice
);
790 if (!variant_declaration
)
792 declaration_unref(&untagged_variant_declaration
->p
);
793 return &variant_declaration
->p
;
796 untagged_variant_declaration
->p
.declaration_free(&untagged_variant_declaration
->p
);
801 int ctf_enumerator_list_visit(FILE *fd
, int depth
,
802 struct ctf_node
*enumerator
,
803 struct declaration_enum
*enum_declaration
)
806 struct ctf_node
*iter
;
808 q
= g_quark_from_string(enumerator
->u
.enumerator
.id
);
809 if (enum_declaration
->integer_declaration
->signedness
) {
813 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
816 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
822 switch (iter
->u
.unary_expression
.type
) {
823 case UNARY_SIGNED_CONSTANT
:
824 *target
= iter
->u
.unary_expression
.u
.signed_constant
;
826 case UNARY_UNSIGNED_CONSTANT
:
827 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
830 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
834 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
841 enum_signed_insert(enum_declaration
, start
, end
, q
);
846 cds_list_for_each_entry(iter
, &enumerator
->u
.enumerator
.values
, siblings
) {
849 assert(iter
->type
== NODE_UNARY_EXPRESSION
);
855 switch (iter
->u
.unary_expression
.type
) {
856 case UNARY_UNSIGNED_CONSTANT
:
857 *target
= iter
->u
.unary_expression
.u
.unsigned_constant
;
859 case UNARY_SIGNED_CONSTANT
:
861 * We don't accept signed constants for enums with unsigned
864 fprintf(fd
, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__
);
867 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
871 fprintf(fd
, "[error] %s: invalid enumerator\n", __func__
);
878 enum_unsigned_insert(enum_declaration
, start
, end
, q
);
884 struct declaration
*ctf_declaration_enum_visit(FILE *fd
, int depth
,
886 struct ctf_node
*container_type
,
887 struct cds_list_head
*enumerator_list
,
889 struct declaration_scope
*declaration_scope
,
890 struct ctf_trace
*trace
)
892 struct declaration
*declaration
;
893 struct declaration_enum
*enum_declaration
;
894 struct declaration_integer
*integer_declaration
;
895 struct ctf_node
*iter
;
900 * For named enum (without body), lookup in
901 * declaration scope. Don't take reference on enum
902 * declaration: ref is only taken upon definition.
907 lookup_enum_declaration(g_quark_from_string(name
),
909 return &enum_declaration
->p
;
911 /* For unnamed enum, create type */
912 /* For named enum (with body), create type and add to declaration scope */
914 if (lookup_enum_declaration(g_quark_from_string(name
),
915 declaration_scope
)) {
917 fprintf(fd
, "[error] %s: enum %s already declared in scope\n", __func__
, name
);
921 if (!container_type
) {
922 declaration
= lookup_declaration(g_quark_from_static_string("int"),
925 fprintf(fd
, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__
);
929 declaration
= ctf_type_declarator_visit(fd
, depth
,
936 fprintf(fd
, "[error] %s: unable to create container type for enumeration\n", __func__
);
939 if (declaration
->id
!= CTF_TYPE_INTEGER
) {
940 fprintf(fd
, "[error] %s: container type for enumeration is not integer\n", __func__
);
943 integer_declaration
= container_of(declaration
, struct declaration_integer
, p
);
944 enum_declaration
= enum_declaration_new(integer_declaration
);
945 declaration_unref(&integer_declaration
->p
); /* leave ref to enum */
946 cds_list_for_each_entry(iter
, enumerator_list
, siblings
) {
947 ret
= ctf_enumerator_list_visit(fd
, depth
+ 1, iter
, enum_declaration
);
952 ret
= register_enum_declaration(g_quark_from_string(name
),
957 return &enum_declaration
->p
;
960 enum_declaration
->p
.declaration_free(&enum_declaration
->p
);
965 struct declaration
*ctf_declaration_type_specifier_visit(FILE *fd
, int depth
,
966 struct ctf_node
*type_specifier_list
,
967 struct declaration_scope
*declaration_scope
)
970 struct declaration
*declaration
;
975 str
= g_string_new("");
976 ret
= visit_type_specifier_list(fd
, type_specifier_list
, str
);
979 str_c
= g_string_free(str
, FALSE
);
980 id_q
= g_quark_from_string(str_c
);
982 declaration
= lookup_declaration(id_q
, declaration_scope
);
987 * Returns 0/1 boolean, or < 0 on error.
990 int get_boolean(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
992 if (unary_expression
->type
!= NODE_UNARY_EXPRESSION
) {
993 fprintf(fd
, "[error] %s: expecting unary expression\n",
997 switch (unary_expression
->u
.unary_expression
.type
) {
998 case UNARY_UNSIGNED_CONSTANT
:
999 if (unary_expression
->u
.unary_expression
.u
.unsigned_constant
== 0)
1003 case UNARY_SIGNED_CONSTANT
:
1004 if (unary_expression
->u
.unary_expression
.u
.signed_constant
== 0)
1009 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "true"))
1011 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "TRUE"))
1013 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "false"))
1015 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "FALSE"))
1018 fprintf(fd
, "[error] %s: unexpected string \"%s\"\n",
1019 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1024 fprintf(fd
, "[error] %s: unexpected unary expression type\n",
1032 int get_trace_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
)
1036 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1037 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1041 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1042 byte_order
= BIG_ENDIAN
;
1043 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1044 byte_order
= LITTLE_ENDIAN
;
1046 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1047 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1054 int get_byte_order(FILE *fd
, int depth
, struct ctf_node
*unary_expression
,
1055 struct ctf_trace
*trace
)
1059 if (unary_expression
->u
.unary_expression
.type
!= UNARY_STRING
) {
1060 fprintf(fd
, "[error] %s: byte_order: expecting string\n",
1064 if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "native"))
1065 byte_order
= trace
->byte_order
;
1066 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "network"))
1067 byte_order
= BIG_ENDIAN
;
1068 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "be"))
1069 byte_order
= BIG_ENDIAN
;
1070 else if (!strcmp(unary_expression
->u
.unary_expression
.u
.string
, "le"))
1071 byte_order
= LITTLE_ENDIAN
;
1073 fprintf(fd
, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
1074 __func__
, unary_expression
->u
.unary_expression
.u
.string
);
1081 struct declaration
*ctf_declaration_integer_visit(FILE *fd
, int depth
,
1082 struct cds_list_head
*expressions
,
1083 struct ctf_trace
*trace
)
1085 struct ctf_node
*expression
;
1086 uint64_t alignment
, size
;
1087 int byte_order
= trace
->byte_order
;
1089 int has_alignment
= 0, has_size
= 0;
1091 enum ctf_string_encoding encoding
= CTF_STRING_NONE
;
1092 struct declaration_integer
*integer_declaration
;
1094 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1095 struct ctf_node
*left
, *right
;
1097 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1098 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1099 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1100 if (!strcmp(left
->u
.unary_expression
.u
.string
, "signed")) {
1101 signedness
= get_boolean(fd
, depth
, right
);
1104 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1105 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1108 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "size")) {
1109 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1110 fprintf(fd
, "[error] %s: size: expecting unsigned constant\n",
1114 size
= right
->u
.unary_expression
.u
.unsigned_constant
;
1116 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1117 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1118 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1122 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1123 /* Make sure alignment is a power of two */
1124 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1125 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1130 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "base")) {
1131 switch (right
->u
.unary_expression
.type
) {
1132 case UNARY_UNSIGNED_CONSTANT
:
1133 switch (right
->u
.unary_expression
.u
.unsigned_constant
) {
1138 base
= right
->u
.unary_expression
.u
.unsigned_constant
;
1141 fprintf(fd
, "[error] %s: base not supported (%" PRIu64
")\n",
1142 __func__
, right
->u
.unary_expression
.u
.unsigned_constant
);
1148 char *s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1150 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1154 if (!strcmp(s_right
, "decimal") || !strcmp(s_right
, "dec") || !strcmp(s_right
, "d")
1155 || !strcmp(s_right
, "i") || !strcmp(s_right
, "u")) {
1157 } else if (!strcmp(s_right
, "hexadecimal") || !strcmp(s_right
, "hex")
1158 || !strcmp(s_right
, "x") || !strcmp(s_right
, "X")
1159 || !strcmp(s_right
, "p")) {
1161 } else if (!strcmp(s_right
, "octal") || !strcmp(s_right
, "oct")
1162 || !strcmp(s_right
, "o")) {
1164 } else if (!strcmp(s_right
, "binary") || !strcmp(s_right
, "b")) {
1167 fprintf(fd
, "[error] %s: unexpected expression for integer base (%s)\n", __func__
, s_right
);
1176 fprintf(fd
, "[error] %s: base: expecting unsigned constant or unary string\n",
1180 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1183 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1184 fprintf(fd
, "[error] %s: encoding: expecting unary string\n",
1188 s_right
= concatenate_unary_strings(&expression
->u
.ctf_expression
.right
);
1190 fprintf(fd
, "[error] %s: unexpected unary expression for integer base\n", __func__
);
1194 if (!strcmp(s_right
, "UTF8")
1195 || !strcmp(s_right
, "utf8")
1196 || !strcmp(s_right
, "utf-8")
1197 || !strcmp(s_right
, "UTF-8"))
1198 encoding
= CTF_STRING_UTF8
;
1199 else if (!strcmp(s_right
, "ASCII")
1200 || !strcmp(s_right
, "ascii"))
1201 encoding
= CTF_STRING_ASCII
;
1202 else if (!strcmp(s_right
, "none"))
1203 encoding
= CTF_STRING_NONE
;
1205 fprintf(fd
, "[error] %s: unknown string encoding \"%s\"\n", __func__
, s_right
);
1211 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1212 __func__
, left
->u
.unary_expression
.u
.string
);
1217 fprintf(fd
, "[error] %s: missing size attribute\n", __func__
);
1220 if (!has_alignment
) {
1221 if (size
% CHAR_BIT
) {
1222 /* bit-packed alignment */
1225 /* byte-packed alignment */
1226 alignment
= CHAR_BIT
;
1229 integer_declaration
= integer_declaration_new(size
,
1230 byte_order
, signedness
, alignment
,
1232 return &integer_declaration
->p
;
1236 struct declaration
*ctf_declaration_floating_point_visit(FILE *fd
, int depth
,
1237 struct cds_list_head
*expressions
,
1238 struct ctf_trace
*trace
)
1240 struct ctf_node
*expression
;
1241 uint64_t alignment
, exp_dig
, mant_dig
, byte_order
= trace
->byte_order
;
1242 int has_alignment
= 0, has_exp_dig
= 0, has_mant_dig
= 0;
1243 struct declaration_float
*float_declaration
;
1245 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1246 struct ctf_node
*left
, *right
;
1248 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1249 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1250 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1251 if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
1252 byte_order
= get_byte_order(fd
, depth
, right
, trace
);
1255 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "exp_dig")) {
1256 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1257 fprintf(fd
, "[error] %s: exp_dig: expecting unsigned constant\n",
1261 exp_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1263 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "mant_dig")) {
1264 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1265 fprintf(fd
, "[error] %s: mant_dig: expecting unsigned constant\n",
1269 mant_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
1271 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "align")) {
1272 if (right
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
1273 fprintf(fd
, "[error] %s: align: expecting unsigned constant\n",
1277 alignment
= right
->u
.unary_expression
.u
.unsigned_constant
;
1278 /* Make sure alignment is a power of two */
1279 if (alignment
== 0 || (alignment
& (alignment
- 1)) != 0) {
1280 fprintf(fd
, "[error] %s: align: expecting power of two\n",
1286 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1287 __func__
, left
->u
.unary_expression
.u
.string
);
1291 if (!has_mant_dig
) {
1292 fprintf(fd
, "[error] %s: missing mant_dig attribute\n", __func__
);
1296 fprintf(fd
, "[error] %s: missing exp_dig attribute\n", __func__
);
1299 if (!has_alignment
) {
1300 if ((mant_dig
+ exp_dig
) % CHAR_BIT
) {
1301 /* bit-packed alignment */
1304 /* byte-packed alignment */
1305 alignment
= CHAR_BIT
;
1308 float_declaration
= float_declaration_new(mant_dig
, exp_dig
,
1309 byte_order
, alignment
);
1310 return &float_declaration
->p
;
1314 struct declaration
*ctf_declaration_string_visit(FILE *fd
, int depth
,
1315 struct cds_list_head
*expressions
,
1316 struct ctf_trace
*trace
)
1318 struct ctf_node
*expression
;
1319 const char *encoding_c
= NULL
;
1320 enum ctf_string_encoding encoding
= CTF_STRING_UTF8
;
1321 struct declaration_string
*string_declaration
;
1323 cds_list_for_each_entry(expression
, expressions
, siblings
) {
1324 struct ctf_node
*left
, *right
;
1326 left
= _cds_list_first_entry(&expression
->u
.ctf_expression
.left
, struct ctf_node
, siblings
);
1327 right
= _cds_list_first_entry(&expression
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1328 assert(left
->u
.unary_expression
.type
== UNARY_STRING
);
1329 if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
1330 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
1331 fprintf(fd
, "[error] %s: encoding: expecting string\n",
1335 encoding_c
= right
->u
.unary_expression
.u
.string
;
1337 fprintf(fd
, "[error] %s: unknown attribute name %s\n",
1338 __func__
, left
->u
.unary_expression
.u
.string
);
1342 if (encoding_c
&& !strcmp(encoding_c
, "ASCII"))
1343 encoding
= CTF_STRING_ASCII
;
1344 string_declaration
= string_declaration_new(encoding
);
1345 return &string_declaration
->p
;
1350 struct declaration
*ctf_type_specifier_list_visit(FILE *fd
,
1351 int depth
, struct ctf_node
*type_specifier_list
,
1352 struct declaration_scope
*declaration_scope
,
1353 struct ctf_trace
*trace
)
1355 struct ctf_node
*first
;
1356 struct ctf_node
*node
;
1358 assert(type_specifier_list
->type
== NODE_TYPE_SPECIFIER_LIST
);
1360 first
= _cds_list_first_entry(&type_specifier_list
->u
.type_specifier_list
.head
, struct ctf_node
, siblings
);
1362 assert(first
->type
== NODE_TYPE_SPECIFIER
);
1364 node
= first
->u
.type_specifier
.node
;
1366 switch (first
->u
.type_specifier
.type
) {
1367 case TYPESPEC_FLOATING_POINT
:
1368 return ctf_declaration_floating_point_visit(fd
, depth
,
1369 &node
->u
.floating_point
.expressions
, trace
);
1370 case TYPESPEC_INTEGER
:
1371 return ctf_declaration_integer_visit(fd
, depth
,
1372 &node
->u
.integer
.expressions
, trace
);
1373 case TYPESPEC_STRING
:
1374 return ctf_declaration_string_visit(fd
, depth
,
1375 &node
->u
.string
.expressions
, trace
);
1376 case TYPESPEC_STRUCT
:
1377 return ctf_declaration_struct_visit(fd
, depth
,
1378 node
->u
._struct
.name
,
1379 &node
->u
._struct
.declaration_list
,
1380 node
->u
._struct
.has_body
,
1381 &node
->u
._struct
.min_align
,
1384 case TYPESPEC_VARIANT
:
1385 return ctf_declaration_variant_visit(fd
, depth
,
1386 node
->u
.variant
.name
,
1387 node
->u
.variant
.choice
,
1388 &node
->u
.variant
.declaration_list
,
1389 node
->u
.variant
.has_body
,
1393 return ctf_declaration_enum_visit(fd
, depth
,
1394 node
->u
._enum
.enum_id
,
1395 node
->u
._enum
.container_type
,
1396 &node
->u
._enum
.enumerator_list
,
1397 node
->u
._enum
.has_body
,
1403 case TYPESPEC_SHORT
:
1406 case TYPESPEC_FLOAT
:
1407 case TYPESPEC_DOUBLE
:
1408 case TYPESPEC_SIGNED
:
1409 case TYPESPEC_UNSIGNED
:
1411 case TYPESPEC_COMPLEX
:
1412 case TYPESPEC_IMAGINARY
:
1413 case TYPESPEC_CONST
:
1414 case TYPESPEC_ID_TYPE
:
1415 return ctf_declaration_type_specifier_visit(fd
, depth
,
1416 type_specifier_list
, declaration_scope
);
1418 fprintf(fd
, "[error] %s: unexpected node type %d\n", __func__
, (int) first
->u
.type_specifier
.type
);
1424 int ctf_event_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_event
*event
, struct ctf_trace
*trace
)
1428 switch (node
->type
) {
1430 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1431 event
->declaration_scope
,
1432 node
->u
._typedef
.type_specifier_list
,
1433 &node
->u
._typedef
.type_declarators
,
1438 case NODE_TYPEALIAS
:
1439 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1440 event
->declaration_scope
,
1441 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1446 case NODE_CTF_EXPRESSION
:
1450 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1451 if (!strcmp(left
, "name")) {
1454 if (CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1455 fprintf(fd
, "[error] %s: name already declared in event declaration\n", __func__
);
1459 right
= concatenate_unary_strings(&node
->u
.ctf_expression
.right
);
1461 fprintf(fd
, "[error] %s: unexpected unary expression for event name\n", __func__
);
1465 event
->name
= g_quark_from_string(right
);
1467 CTF_EVENT_SET_FIELD(event
, name
);
1468 } else if (!strcmp(left
, "id")) {
1469 if (CTF_EVENT_FIELD_IS_SET(event
, id
)) {
1470 fprintf(fd
, "[error] %s: id already declared in event declaration\n", __func__
);
1474 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->id
);
1476 fprintf(fd
, "[error] %s: unexpected unary expression for event id\n", __func__
);
1480 CTF_EVENT_SET_FIELD(event
, id
);
1481 } else if (!strcmp(left
, "stream_id")) {
1482 if (CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1483 fprintf(fd
, "[error] %s: stream_id already declared in event declaration\n", __func__
);
1487 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &event
->stream_id
);
1489 fprintf(fd
, "[error] %s: unexpected unary expression for event stream_id\n", __func__
);
1493 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1494 if (!event
->stream
) {
1495 fprintf(fd
, "[error] %s: stream id %" PRIu64
" cannot be found\n", __func__
, event
->stream_id
);
1499 CTF_EVENT_SET_FIELD(event
, stream_id
);
1500 } else if (!strcmp(left
, "context")) {
1501 struct declaration
*declaration
;
1503 if (event
->context_decl
) {
1504 fprintf(fd
, "[error] %s: context already declared in event declaration\n", __func__
);
1508 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1509 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1510 struct ctf_node
, siblings
),
1511 event
->declaration_scope
, trace
);
1516 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1520 event
->context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1521 } else if (!strcmp(left
, "fields")) {
1522 struct declaration
*declaration
;
1524 if (event
->fields_decl
) {
1525 fprintf(fd
, "[error] %s: fields already declared in event declaration\n", __func__
);
1529 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1530 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1531 struct ctf_node
, siblings
),
1532 event
->declaration_scope
, trace
);
1537 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1541 event
->fields_decl
= container_of(declaration
, struct declaration_struct
, p
);
1543 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in event declaration.\n", __func__
, left
);
1553 /* TODO: declaration specifier should be added. */
1560 int ctf_event_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1561 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1564 struct ctf_node
*iter
;
1565 struct ctf_event
*event
;
1567 event
= g_new0(struct ctf_event
, 1);
1568 event
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1569 cds_list_for_each_entry(iter
, &node
->u
.event
.declaration_list
, siblings
) {
1570 ret
= ctf_event_declaration_visit(fd
, depth
+ 1, iter
, event
, trace
);
1574 if (!CTF_EVENT_FIELD_IS_SET(event
, name
)) {
1576 fprintf(fd
, "[error] %s: missing name field in event declaration\n", __func__
);
1579 if (!CTF_EVENT_FIELD_IS_SET(event
, stream_id
)) {
1580 /* Allow missing stream_id if there is only a single stream */
1581 switch (trace
->streams
->len
) {
1582 case 0: /* Create stream if there was none. */
1583 ret
= ctf_stream_visit(fd
, depth
, NULL
, trace
->root_declaration_scope
, trace
);
1588 event
->stream_id
= 0;
1589 event
->stream
= trace_stream_lookup(trace
, event
->stream_id
);
1593 fprintf(fd
, "[error] %s: missing stream_id field in event declaration\n", __func__
);
1597 /* Allow only one event without id per stream */
1598 if (!CTF_EVENT_FIELD_IS_SET(event
, id
)
1599 && event
->stream
->events_by_id
->len
!= 0) {
1601 fprintf(fd
, "[error] %s: missing id field in event declaration\n", __func__
);
1604 if (event
->stream
->events_by_id
->len
<= event
->id
)
1605 g_ptr_array_set_size(event
->stream
->events_by_id
, event
->id
+ 1);
1606 g_ptr_array_index(event
->stream
->events_by_id
, event
->id
) = event
;
1607 g_hash_table_insert(event
->stream
->event_quark_to_id
,
1608 (gpointer
)(unsigned long) event
->name
,
1613 if (event
->fields_decl
)
1614 declaration_unref(&event
->fields_decl
->p
);
1615 if (event
->context_decl
)
1616 declaration_unref(&event
->context_decl
->p
);
1617 free_declaration_scope(event
->declaration_scope
);
1624 int ctf_stream_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_stream_class
*stream
, struct ctf_trace
*trace
)
1628 switch (node
->type
) {
1630 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1631 stream
->declaration_scope
,
1632 node
->u
._typedef
.type_specifier_list
,
1633 &node
->u
._typedef
.type_declarators
,
1638 case NODE_TYPEALIAS
:
1639 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1640 stream
->declaration_scope
,
1641 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1646 case NODE_CTF_EXPRESSION
:
1650 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1651 if (!strcmp(left
, "id")) {
1652 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1653 fprintf(fd
, "[error] %s: id already declared in stream declaration\n", __func__
);
1657 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &stream
->stream_id
);
1659 fprintf(fd
, "[error] %s: unexpected unary expression for stream id\n", __func__
);
1663 CTF_STREAM_SET_FIELD(stream
, stream_id
);
1664 } else if (!strcmp(left
, "event.header")) {
1665 struct declaration
*declaration
;
1667 if (stream
->event_header_decl
) {
1668 fprintf(fd
, "[error] %s: event.header already declared in stream declaration\n", __func__
);
1672 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1673 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1674 struct ctf_node
, siblings
),
1675 stream
->declaration_scope
, trace
);
1680 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1684 stream
->event_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1685 } else if (!strcmp(left
, "event.context")) {
1686 struct declaration
*declaration
;
1688 if (stream
->event_context_decl
) {
1689 fprintf(fd
, "[error] %s: event.context already declared in stream declaration\n", __func__
);
1693 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1694 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1695 struct ctf_node
, siblings
),
1696 stream
->declaration_scope
, trace
);
1701 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1705 stream
->event_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1706 } else if (!strcmp(left
, "packet.context")) {
1707 struct declaration
*declaration
;
1709 if (stream
->packet_context_decl
) {
1710 fprintf(fd
, "[error] %s: packet.context already declared in stream declaration\n", __func__
);
1714 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1715 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1716 struct ctf_node
, siblings
),
1717 stream
->declaration_scope
, trace
);
1722 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1726 stream
->packet_context_decl
= container_of(declaration
, struct declaration_struct
, p
);
1728 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__
, left
);
1739 /* TODO: declaration specifier should be added. */
1746 int ctf_stream_visit(FILE *fd
, int depth
, struct ctf_node
*node
,
1747 struct declaration_scope
*parent_declaration_scope
, struct ctf_trace
*trace
)
1750 struct ctf_node
*iter
;
1751 struct ctf_stream_class
*stream
;
1753 stream
= g_new0(struct ctf_stream_class
, 1);
1754 stream
->declaration_scope
= new_declaration_scope(parent_declaration_scope
);
1755 stream
->events_by_id
= g_ptr_array_new();
1756 stream
->event_quark_to_id
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
1757 stream
->streams
= g_ptr_array_new();
1759 cds_list_for_each_entry(iter
, &node
->u
.stream
.declaration_list
, siblings
) {
1760 ret
= ctf_stream_declaration_visit(fd
, depth
+ 1, iter
, stream
, trace
);
1765 if (CTF_STREAM_FIELD_IS_SET(stream
, stream_id
)) {
1766 /* check that packet header has stream_id field. */
1767 if (!trace
->packet_header_decl
1768 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("stream_id")) < 0) {
1770 fprintf(fd
, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__
);
1774 /* Allow only one id-less stream */
1775 if (trace
->streams
->len
!= 0) {
1777 fprintf(fd
, "[error] %s: missing id field in stream declaration\n", __func__
);
1780 stream
->stream_id
= 0;
1782 if (trace
->streams
->len
<= stream
->stream_id
)
1783 g_ptr_array_set_size(trace
->streams
, stream
->stream_id
+ 1);
1784 g_ptr_array_index(trace
->streams
, stream
->stream_id
) = stream
;
1789 if (stream
->event_header_decl
)
1790 declaration_unref(&stream
->event_header_decl
->p
);
1791 if (stream
->event_context_decl
)
1792 declaration_unref(&stream
->event_context_decl
->p
);
1793 if (stream
->packet_context_decl
)
1794 declaration_unref(&stream
->packet_context_decl
->p
);
1795 g_ptr_array_free(stream
->streams
, TRUE
);
1796 g_ptr_array_free(stream
->events_by_id
, TRUE
);
1797 g_hash_table_destroy(stream
->event_quark_to_id
);
1798 free_declaration_scope(stream
->declaration_scope
);
1804 int ctf_trace_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1808 switch (node
->type
) {
1810 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1811 trace
->declaration_scope
,
1812 node
->u
._typedef
.type_specifier_list
,
1813 &node
->u
._typedef
.type_declarators
,
1818 case NODE_TYPEALIAS
:
1819 ret
= ctf_typealias_visit(fd
, depth
+ 1,
1820 trace
->declaration_scope
,
1821 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
1826 case NODE_CTF_EXPRESSION
:
1830 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
1831 if (!strcmp(left
, "major")) {
1832 if (CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1833 fprintf(fd
, "[error] %s: major already declared in trace declaration\n", __func__
);
1837 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->major
);
1839 fprintf(fd
, "[error] %s: unexpected unary expression for trace major number\n", __func__
);
1843 CTF_TRACE_SET_FIELD(trace
, major
);
1844 } else if (!strcmp(left
, "minor")) {
1845 if (CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1846 fprintf(fd
, "[error] %s: minor already declared in trace declaration\n", __func__
);
1850 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
, &trace
->minor
);
1852 fprintf(fd
, "[error] %s: unexpected unary expression for trace minor number\n", __func__
);
1856 CTF_TRACE_SET_FIELD(trace
, minor
);
1857 } else if (!strcmp(left
, "uuid")) {
1860 ret
= get_unary_uuid(&node
->u
.ctf_expression
.right
, &uuid
);
1862 fprintf(fd
, "[error] %s: unexpected unary expression for trace uuid\n", __func__
);
1866 if (CTF_TRACE_FIELD_IS_SET(trace
, uuid
)
1867 && uuid_compare(uuid
, trace
->uuid
)) {
1868 fprintf(fd
, "[error] %s: uuid mismatch\n", __func__
);
1872 memcpy(trace
->uuid
, uuid
, sizeof(uuid
));
1874 CTF_TRACE_SET_FIELD(trace
, uuid
);
1875 } else if (!strcmp(left
, "byte_order")) {
1876 struct ctf_node
*right
;
1879 right
= _cds_list_first_entry(&node
->u
.ctf_expression
.right
, struct ctf_node
, siblings
);
1880 byte_order
= get_trace_byte_order(fd
, depth
, right
);
1884 if (CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)
1885 && byte_order
!= trace
->byte_order
) {
1886 fprintf(fd
, "[error] %s: endianness mismatch\n", __func__
);
1890 trace
->byte_order
= byte_order
;
1892 CTF_TRACE_SET_FIELD(trace
, byte_order
);
1893 } else if (!strcmp(left
, "packet.header")) {
1894 struct declaration
*declaration
;
1896 if (trace
->packet_header_decl
) {
1897 fprintf(fd
, "[error] %s: packet.header already declared in trace declaration\n", __func__
);
1901 declaration
= ctf_type_specifier_list_visit(fd
, depth
,
1902 _cds_list_first_entry(&node
->u
.ctf_expression
.right
,
1903 struct ctf_node
, siblings
),
1904 trace
->declaration_scope
, trace
);
1909 if (declaration
->id
!= CTF_TYPE_STRUCT
) {
1913 trace
->packet_header_decl
= container_of(declaration
, struct declaration_struct
, p
);
1915 fprintf(fd
, "[error] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__
, left
);
1926 /* TODO: declaration specifier should be added. */
1933 int ctf_trace_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1936 struct ctf_node
*iter
;
1938 if (trace
->declaration_scope
)
1940 trace
->declaration_scope
= new_declaration_scope(trace
->root_declaration_scope
);
1941 trace
->streams
= g_ptr_array_new();
1942 cds_list_for_each_entry(iter
, &node
->u
.trace
.declaration_list
, siblings
) {
1943 ret
= ctf_trace_declaration_visit(fd
, depth
+ 1, iter
, trace
);
1947 if (!CTF_TRACE_FIELD_IS_SET(trace
, major
)) {
1949 fprintf(fd
, "[error] %s: missing major field in trace declaration\n", __func__
);
1952 if (!CTF_TRACE_FIELD_IS_SET(trace
, minor
)) {
1954 fprintf(fd
, "[error] %s: missing minor field in trace declaration\n", __func__
);
1957 if (!CTF_TRACE_FIELD_IS_SET(trace
, uuid
)) {
1959 fprintf(fd
, "[error] %s: missing uuid field in trace declaration\n", __func__
);
1962 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1964 fprintf(fd
, "[error] %s: missing byte_order field in trace declaration\n", __func__
);
1968 if (!CTF_TRACE_FIELD_IS_SET(trace
, byte_order
)) {
1969 /* check that the packet header contains a "magic" field */
1970 if (!trace
->packet_header_decl
1971 || struct_declaration_lookup_field_index(trace
->packet_header_decl
, g_quark_from_static_string("magic")) < 0) {
1973 fprintf(fd
, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__
);
1980 if (trace
->packet_header_decl
)
1981 declaration_unref(&trace
->packet_header_decl
->p
);
1982 g_ptr_array_free(trace
->streams
, TRUE
);
1983 free_declaration_scope(trace
->declaration_scope
);
1988 int ctf_root_declaration_visit(FILE *fd
, int depth
, struct ctf_node
*node
, struct ctf_trace
*trace
)
1992 switch (node
->type
) {
1994 ret
= ctf_typedef_visit(fd
, depth
+ 1,
1995 trace
->root_declaration_scope
,
1996 node
->u
._typedef
.type_specifier_list
,
1997 &node
->u
._typedef
.type_declarators
,
2002 case NODE_TYPEALIAS
:
2003 ret
= ctf_typealias_visit(fd
, depth
+ 1,
2004 trace
->root_declaration_scope
,
2005 node
->u
.typealias
.target
, node
->u
.typealias
.alias
,
2010 case NODE_TYPE_SPECIFIER_LIST
:
2012 struct declaration
*declaration
;
2015 * Just add the type specifier to the root scope
2016 * declaration scope. Release local reference.
2018 declaration
= ctf_type_specifier_list_visit(fd
, depth
+ 1,
2019 node
, trace
->root_declaration_scope
, trace
);
2022 declaration_unref(declaration
);
2032 int ctf_visitor_construct_metadata(FILE *fd
, int depth
, struct ctf_node
*node
,
2033 struct ctf_trace
*trace
, int byte_order
)
2036 struct ctf_node
*iter
;
2038 printf_verbose("CTF visitor: metadata construction... ");
2039 trace
->root_declaration_scope
= new_declaration_scope(NULL
);
2040 trace
->byte_order
= byte_order
;
2042 switch (node
->type
) {
2044 cds_list_for_each_entry(iter
, &node
->u
.root
.declaration_list
,
2046 ret
= ctf_root_declaration_visit(fd
, depth
+ 1, iter
, trace
);
2048 fprintf(fd
, "[error] %s: root declaration error\n", __func__
);
2052 cds_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
2053 ret
= ctf_trace_visit(fd
, depth
+ 1, iter
, trace
);
2055 fprintf(fd
, "[error] %s: trace declaration error\n", __func__
);
2059 if (!trace
->streams
) {
2060 fprintf(fd
, "[error] %s: missing trace declaration\n", __func__
);
2064 cds_list_for_each_entry(iter
, &node
->u
.root
.stream
, siblings
) {
2065 ret
= ctf_stream_visit(fd
, depth
+ 1, iter
,
2066 trace
->root_declaration_scope
, trace
);
2068 fprintf(fd
, "[error] %s: stream declaration error\n", __func__
);
2072 cds_list_for_each_entry(iter
, &node
->u
.root
.event
, siblings
) {
2073 ret
= ctf_event_visit(fd
, depth
+ 1, iter
,
2074 trace
->root_declaration_scope
, trace
);
2076 fprintf(fd
, "[error] %s: event declaration error\n", __func__
);
2083 fprintf(fd
, "[error] %s: unknown node type %d\n", __func__
,
2088 printf_verbose("done.\n");
2092 free_declaration_scope(trace
->root_declaration_scope
);