2 * ctf-visitor-generate-ir.c
4 * Common Trace Format metadata visitor (generates CTF IR objects).
6 * Based on older ctf-visitor-generate-io-struct.c.
8 * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * Copyright 2015-2018 - Philippe Proulx <philippe.proulx@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #define BT_LOG_TAG "PLUGIN-CTF-METADATA-IR-VISITOR"
39 #include <babeltrace/assert-internal.h>
43 #include <babeltrace/common-internal.h>
44 #include <babeltrace/compat/uuid-internal.h>
45 #include <babeltrace/endian-internal.h>
46 #include <babeltrace/babeltrace.h>
53 #include "ctf-meta-visitors.h"
55 /* Bit value (left shift) */
56 #define _BV(_val) (1 << (_val))
58 /* Bit is set in a set of bits */
59 #define _IS_SET(_set, _mask) (*(_set) & (_mask))
61 /* Set bit in a set of bits */
62 #define _SET(_set, _mask) (*(_set) |= (_mask))
64 /* Try to push scope, or go to the `error` label */
65 #define _TRY_PUSH_SCOPE_OR_GOTO_ERROR() \
67 ret = ctx_push_scope(ctx); \
69 BT_LOGE_STR("Cannot push scope."); \
74 /* Bits for verifying existing attributes in various declarations */
76 _CLOCK_NAME_SET
= _BV(0),
77 _CLOCK_UUID_SET
= _BV(1),
78 _CLOCK_FREQ_SET
= _BV(2),
79 _CLOCK_PRECISION_SET
= _BV(3),
80 _CLOCK_OFFSET_S_SET
= _BV(4),
81 _CLOCK_OFFSET_SET
= _BV(5),
82 _CLOCK_ABSOLUTE_SET
= _BV(6),
83 _CLOCK_DESCRIPTION_SET
= _BV(7),
87 _INTEGER_ALIGN_SET
= _BV(0),
88 _INTEGER_SIZE_SET
= _BV(1),
89 _INTEGER_BASE_SET
= _BV(2),
90 _INTEGER_ENCODING_SET
= _BV(3),
91 _INTEGER_BYTE_ORDER_SET
= _BV(4),
92 _INTEGER_SIGNED_SET
= _BV(5),
93 _INTEGER_MAP_SET
= _BV(6),
97 _FLOAT_ALIGN_SET
= _BV(0),
98 _FLOAT_MANT_DIG_SET
= _BV(1),
99 _FLOAT_EXP_DIG_SET
= _BV(2),
100 _FLOAT_BYTE_ORDER_SET
= _BV(3),
104 _STRING_ENCODING_SET
= _BV(0),
108 _TRACE_MINOR_SET
= _BV(0),
109 _TRACE_MAJOR_SET
= _BV(1),
110 _TRACE_BYTE_ORDER_SET
= _BV(2),
111 _TRACE_UUID_SET
= _BV(3),
112 _TRACE_PACKET_HEADER_SET
= _BV(4),
116 _STREAM_ID_SET
= _BV(0),
117 _STREAM_PACKET_CONTEXT_SET
= _BV(1),
118 _STREAM_EVENT_HEADER_SET
= _BV(2),
119 _STREAM_EVENT_CONTEXT_SET
= _BV(3),
123 _EVENT_NAME_SET
= _BV(0),
124 _EVENT_ID_SET
= _BV(1),
125 _EVENT_MODEL_EMF_URI_SET
= _BV(2),
126 _EVENT_STREAM_ID_SET
= _BV(3),
127 _EVENT_LOG_LEVEL_SET
= _BV(4),
128 _EVENT_CONTEXT_SET
= _BV(5),
129 _EVENT_FIELDS_SET
= _BV(6),
137 LOG_LEVEL_WARNING
= 4,
138 LOG_LEVEL_NOTICE
= 5,
140 LOG_LEVEL_DEBUG_SYSTEM
= 7,
141 LOG_LEVEL_DEBUG_PROGRAM
= 8,
142 LOG_LEVEL_DEBUG_PROCESS
= 9,
143 LOG_LEVEL_DEBUG_MODULE
= 10,
144 LOG_LEVEL_DEBUG_UNIT
= 11,
145 LOG_LEVEL_DEBUG_FUNCTION
= 12,
146 LOG_LEVEL_DEBUG_LINE
= 13,
147 LOG_LEVEL_DEBUG
= 14,
151 /* Prefixes of class aliases */
152 #define _PREFIX_ALIAS 'a'
153 #define _PREFIX_ENUM 'e'
154 #define _PREFIX_STRUCT 's'
155 #define _PREFIX_VARIANT 'v'
157 /* First entry in a BT list */
158 #define _BT_LIST_FIRST_ENTRY(_ptr, _class, _member) \
159 bt_list_entry((_ptr)->next, _class, _member)
161 #define _BT_LOGE_DUP_ATTR(_node, _attr, _entity) \
162 _BT_LOGE_LINENO((_node)->lineno, \
163 "Duplicate attribute in %s: attr-name=\"%s\"", \
166 #define _BT_LOGE_NODE(_node, _msg, args...) \
167 _BT_LOGE_LINENO((_node)->lineno, _msg, ## args)
169 #define _BT_LOGW_NODE(_node, _msg, args...) \
170 _BT_LOGW_LINENO((_node)->lineno, _msg, ## args)
172 #define _BT_LOGV_NODE(_node, _msg, args...) \
173 _BT_LOGV_LINENO((_node)->lineno, _msg, ## args)
176 * Declaration scope of a visitor context. This represents a TSDL
177 * lexical scope, so that aliases and named structures, variants,
178 * and enumerations may be registered and looked up hierarchically.
180 struct ctx_decl_scope
{
182 * Alias name to field class.
184 * GQuark -> struct ctf_field_class * (owned by this)
186 GHashTable
*decl_map
;
188 /* Parent scope; NULL if this is the root declaration scope */
189 struct ctx_decl_scope
*parent_scope
;
193 * Visitor context (private).
196 /* Trace IR trace class being filled (owned by this) */
197 bt_trace_class
*trace_class
;
199 /* CTF meta trace being filled (owned by this) */
200 struct ctf_trace_class
*ctf_tc
;
202 /* Current declaration scope (top of the stack) (owned by this) */
203 struct ctx_decl_scope
*current_scope
;
205 /* True if trace declaration is visited */
206 bool is_trace_visited
;
208 /* True if this is an LTTng trace */
211 /* Config passed by the user */
212 struct ctf_metadata_decoder_config decoder_config
;
218 struct ctf_visitor_generate_ir
;
221 * Creates a new declaration scope.
223 * @param par_scope Parent scope (NULL if creating a root scope)
224 * @returns New declaration scope, or NULL on error
227 struct ctx_decl_scope
*ctx_decl_scope_create(struct ctx_decl_scope
*par_scope
)
229 struct ctx_decl_scope
*scope
;
231 scope
= g_new(struct ctx_decl_scope
, 1);
233 BT_LOGE_STR("Failed to allocate one declaration scope.");
237 scope
->decl_map
= g_hash_table_new_full(g_direct_hash
, g_direct_equal
,
238 NULL
, (GDestroyNotify
) ctf_field_class_destroy
);
239 scope
->parent_scope
= par_scope
;
246 * Destroys a declaration scope.
248 * This function does not destroy the parent scope.
250 * @param scope Scope to destroy
253 void ctx_decl_scope_destroy(struct ctx_decl_scope
*scope
)
259 g_hash_table_destroy(scope
->decl_map
);
267 * Returns the GQuark of a prefixed alias.
269 * @param prefix Prefix character
271 * @returns Associated GQuark, or 0 on error
274 GQuark
get_prefixed_named_quark(char prefix
, const char *name
)
280 /* Prefix character + original string + '\0' */
281 char *prname
= g_new(char, strlen(name
) + 2);
283 BT_LOGE_STR("Failed to allocate a string.");
287 sprintf(prname
, "%c%s", prefix
, name
);
288 qname
= g_quark_from_string(prname
);
296 * Looks up a prefixed class alias within a declaration scope.
298 * @param scope Declaration scope
299 * @param prefix Prefix character
300 * @param name Alias name
301 * @param levels Number of levels to dig into (-1 means infinite)
302 * @param copy True to return a copy
303 * @returns Declaration (owned by caller if \p copy is true),
304 * or NULL if not found
307 struct ctf_field_class
*ctx_decl_scope_lookup_prefix_alias(
308 struct ctx_decl_scope
*scope
, char prefix
, const char *name
,
309 int levels
, bool copy
)
313 struct ctf_field_class
*decl
= NULL
;
314 struct ctx_decl_scope
*cur_scope
= scope
;
318 qname
= get_prefixed_named_quark(prefix
, name
);
327 while (cur_scope
&& cur_levels
< levels
) {
328 decl
= g_hash_table_lookup(cur_scope
->decl_map
,
329 (gconstpointer
) GUINT_TO_POINTER(qname
));
331 /* Caller's reference */
333 decl
= ctf_field_class_copy(decl
);
340 cur_scope
= cur_scope
->parent_scope
;
349 * Looks up a class alias within a declaration scope.
351 * @param scope Declaration scope
352 * @param name Alias name
353 * @param levels Number of levels to dig into (-1 means infinite)
354 * @param copy True to return a copy
355 * @returns Declaration (owned by caller if \p copy is true),
356 * or NULL if not found
359 struct ctf_field_class
*ctx_decl_scope_lookup_alias(
360 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
363 return ctx_decl_scope_lookup_prefix_alias(scope
, _PREFIX_ALIAS
,
368 * Looks up an enumeration within a declaration scope.
370 * @param scope Declaration scope
371 * @param name Enumeration name
372 * @param levels Number of levels to dig into (-1 means infinite)
373 * @param copy True to return a copy
374 * @returns Declaration (owned by caller if \p copy is true),
375 * or NULL if not found
378 struct ctf_field_class_enum
*ctx_decl_scope_lookup_enum(
379 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
382 return (void *) ctx_decl_scope_lookup_prefix_alias(scope
, _PREFIX_ENUM
,
387 * Looks up a structure within a declaration scope.
389 * @param scope Declaration scope
390 * @param name Structure name
391 * @param levels Number of levels to dig into (-1 means infinite)
392 * @param copy True to return a copy
393 * @returns Declaration (owned by caller if \p copy is true),
394 * or NULL if not found
397 struct ctf_field_class_struct
*ctx_decl_scope_lookup_struct(
398 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
401 return (void *) ctx_decl_scope_lookup_prefix_alias(scope
,
402 _PREFIX_STRUCT
, name
, levels
, copy
);
406 * Looks up a variant within a declaration scope.
408 * @param scope Declaration scope
409 * @param name Variant name
410 * @param levels Number of levels to dig into (-1 means infinite)
411 * @param copy True to return a copy
412 * @returns Declaration (owned by caller if \p copy is true),
413 * or NULL if not found
416 struct ctf_field_class_variant
*ctx_decl_scope_lookup_variant(
417 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
420 return (void *) ctx_decl_scope_lookup_prefix_alias(scope
,
421 _PREFIX_VARIANT
, name
, levels
, copy
);
425 * Registers a prefixed class alias within a declaration scope.
427 * @param scope Declaration scope
428 * @param prefix Prefix character
429 * @param name Alias name (non-NULL)
430 * @param decl Field class to register (copied)
431 * @returns 0 if registration went okay, negative value otherwise
434 int ctx_decl_scope_register_prefix_alias(struct ctx_decl_scope
*scope
,
435 char prefix
, const char *name
, struct ctf_field_class
*decl
)
443 qname
= get_prefixed_named_quark(prefix
, name
);
449 /* Make sure alias does not exist in local scope */
450 if (ctx_decl_scope_lookup_prefix_alias(scope
, prefix
, name
, 1,
456 decl
= ctf_field_class_copy(decl
);
458 g_hash_table_insert(scope
->decl_map
, GUINT_TO_POINTER(qname
), decl
);
465 * Registers a class alias within a declaration scope.
467 * @param scope Declaration scope
468 * @param name Alias name (non-NULL)
469 * @param decl Field class to register (copied)
470 * @returns 0 if registration went okay, negative value otherwise
473 int ctx_decl_scope_register_alias(struct ctx_decl_scope
*scope
,
474 const char *name
, struct ctf_field_class
*decl
)
476 return ctx_decl_scope_register_prefix_alias(scope
, _PREFIX_ALIAS
,
477 name
, (void *) decl
);
481 * Registers an enumeration declaration within a declaration scope.
483 * @param scope Declaration scope
484 * @param name Enumeration name (non-NULL)
485 * @param decl Enumeration field class to register (copied)
486 * @returns 0 if registration went okay, negative value otherwise
489 int ctx_decl_scope_register_enum(struct ctx_decl_scope
*scope
,
490 const char *name
, struct ctf_field_class_enum
*decl
)
492 return ctx_decl_scope_register_prefix_alias(scope
, _PREFIX_ENUM
,
493 name
, (void *) decl
);
497 * Registers a structure declaration within a declaration scope.
499 * @param scope Declaration scope
500 * @param name Structure name (non-NULL)
501 * @param decl Structure field class to register (copied)
502 * @returns 0 if registration went okay, negative value otherwise
505 int ctx_decl_scope_register_struct(struct ctx_decl_scope
*scope
,
506 const char *name
, struct ctf_field_class_struct
*decl
)
508 return ctx_decl_scope_register_prefix_alias(scope
, _PREFIX_STRUCT
,
509 name
, (void *) decl
);
513 * Registers a variant declaration within a declaration scope.
515 * @param scope Declaration scope
516 * @param name Variant name (non-NULL)
517 * @param decl Variant field class to register
518 * @returns 0 if registration went okay, negative value otherwise
521 int ctx_decl_scope_register_variant(struct ctx_decl_scope
*scope
,
522 const char *name
, struct ctf_field_class_variant
*decl
)
524 return ctx_decl_scope_register_prefix_alias(scope
, _PREFIX_VARIANT
,
525 name
, (void *) decl
);
529 * Destroys a visitor context.
531 * @param ctx Visitor context to destroy
534 void ctx_destroy(struct ctx
*ctx
)
536 struct ctx_decl_scope
*scope
;
542 scope
= ctx
->current_scope
;
545 * Destroy all scopes, from current one to the root scope.
548 struct ctx_decl_scope
*parent_scope
= scope
->parent_scope
;
550 ctx_decl_scope_destroy(scope
);
551 scope
= parent_scope
;
554 bt_trace_class_put_ref(ctx
->trace_class
);
557 ctf_trace_class_destroy(ctx
->ctf_tc
);
567 * Creates a new visitor context.
569 * @param trace Associated trace
570 * @returns New visitor context, or NULL on error
573 struct ctx
*ctx_create(bt_self_component_source
*self_comp
,
574 const struct ctf_metadata_decoder_config
*decoder_config
)
576 struct ctx
*ctx
= NULL
;
578 BT_ASSERT(decoder_config
);
580 ctx
= g_new0(struct ctx
, 1);
582 BT_LOGE_STR("Failed to allocate one visitor context.");
587 ctx
->trace_class
= bt_trace_class_create(
588 bt_self_component_source_as_self_component(self_comp
));
589 if (!ctx
->trace_class
) {
590 BT_LOGE_STR("Cannot create empty trace class.");
595 ctx
->ctf_tc
= ctf_trace_class_create();
597 BT_LOGE_STR("Cannot create CTF trace class.");
601 /* Root declaration scope */
602 ctx
->current_scope
= ctx_decl_scope_create(NULL
);
603 if (!ctx
->current_scope
) {
604 BT_LOGE_STR("Cannot create declaration scope.");
608 ctx
->decoder_config
= *decoder_config
;
620 * Pushes a new declaration scope on top of a visitor context's
621 * declaration scope stack.
623 * @param ctx Visitor context
624 * @returns 0 on success, or a negative value on error
627 int ctx_push_scope(struct ctx
*ctx
)
630 struct ctx_decl_scope
*new_scope
;
633 new_scope
= ctx_decl_scope_create(ctx
->current_scope
);
635 BT_LOGE_STR("Cannot create declaration scope.");
640 ctx
->current_scope
= new_scope
;
647 void ctx_pop_scope(struct ctx
*ctx
)
649 struct ctx_decl_scope
*parent_scope
= NULL
;
653 if (!ctx
->current_scope
) {
657 parent_scope
= ctx
->current_scope
->parent_scope
;
658 ctx_decl_scope_destroy(ctx
->current_scope
);
659 ctx
->current_scope
= parent_scope
;
666 int visit_field_class_specifier_list(struct ctx
*ctx
, struct ctf_node
*ts_list
,
667 struct ctf_field_class
**decl
);
670 char *remove_underscores_from_field_ref(const char *field_ref
)
676 UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE
,
677 UNDERSCORE_REMOVE_STATE_DO_NOT_REMOVE_NEXT_UNDERSCORE
,
678 } state
= UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE
;
680 BT_ASSERT(field_ref
);
681 ret
= calloc(strlen(field_ref
) + 1, 1);
683 BT_LOGE("Failed to allocate a string: size=%zu",
684 strlen(field_ref
) + 1);
691 while (*in_ch
!= '\0') {
695 /* Remove whitespace */
699 if (state
== UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE
) {
701 state
= UNDERSCORE_REMOVE_STATE_DO_NOT_REMOVE_NEXT_UNDERSCORE
;
707 state
= UNDERSCORE_REMOVE_STATE_REMOVE_NEXT_UNDERSCORE
;
710 state
= UNDERSCORE_REMOVE_STATE_DO_NOT_REMOVE_NEXT_UNDERSCORE
;
725 int is_unary_string(struct bt_list_head
*head
)
728 struct ctf_node
*node
;
730 bt_list_for_each_entry(node
, head
, siblings
) {
731 if (node
->type
!= NODE_UNARY_EXPRESSION
) {
735 if (node
->u
.unary_expression
.type
!= UNARY_STRING
) {
744 char *concatenate_unary_strings(struct bt_list_head
*head
)
748 struct ctf_node
*node
;
750 str
= g_string_new(NULL
);
753 bt_list_for_each_entry(node
, head
, siblings
) {
757 node
->type
!= NODE_UNARY_EXPRESSION
||
758 node
->u
.unary_expression
.type
!= UNARY_STRING
||
761 node
->u
.unary_expression
.link
!=
769 switch (node
->u
.unary_expression
.link
) {
771 g_string_append(str
, ".");
773 case UNARY_ARROWLINK
:
774 g_string_append(str
, "->");
776 case UNARY_DOTDOTDOT
:
777 g_string_append(str
, "...");
783 src_string
= node
->u
.unary_expression
.u
.string
;
784 g_string_append(str
, src_string
);
788 /* Destroys the container, returns the underlying string */
789 return g_string_free(str
, FALSE
);
792 /* This always returns NULL */
793 return g_string_free(str
, TRUE
);
797 const char *get_map_clock_name_value(struct bt_list_head
*head
)
800 struct ctf_node
*node
;
801 const char *name
= NULL
;
803 bt_list_for_each_entry(node
, head
, siblings
) {
805 int uexpr_type
= node
->u
.unary_expression
.type
;
806 int uexpr_link
= node
->u
.unary_expression
.link
;
807 int cond
= node
->type
!= NODE_UNARY_EXPRESSION
||
808 uexpr_type
!= UNARY_STRING
||
809 !((uexpr_link
!= UNARY_LINK_UNKNOWN
) ^ (i
== 0));
814 /* Needs to be chained with . */
815 switch (node
->u
.unary_expression
.link
) {
818 case UNARY_ARROWLINK
:
819 case UNARY_DOTDOTDOT
:
825 src_string
= node
->u
.unary_expression
.u
.string
;
829 if (strcmp("clock", src_string
)) {
837 if (strcmp("value", src_string
)) {
842 /* Extra identifier, unknown */
856 int is_unary_unsigned(struct bt_list_head
*head
)
859 struct ctf_node
*node
;
861 bt_list_for_each_entry(node
, head
, siblings
) {
862 if (node
->type
!= NODE_UNARY_EXPRESSION
) {
866 if (node
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
875 int get_unary_unsigned(struct bt_list_head
*head
, uint64_t *value
)
879 struct ctf_node
*node
;
883 if (bt_list_empty(head
)) {
888 bt_list_for_each_entry(node
, head
, siblings
) {
889 int uexpr_type
= node
->u
.unary_expression
.type
;
890 int uexpr_link
= node
->u
.unary_expression
.link
;
891 int cond
= node
->type
!= NODE_UNARY_EXPRESSION
||
892 uexpr_type
!= UNARY_UNSIGNED_CONSTANT
||
893 uexpr_link
!= UNARY_LINK_UNKNOWN
|| i
!= 0;
895 _BT_LOGE_NODE(node
, "Invalid constant unsigned integer.");
900 *value
= node
->u
.unary_expression
.u
.unsigned_constant
;
909 int is_unary_signed(struct bt_list_head
*head
)
912 struct ctf_node
*node
;
914 bt_list_for_each_entry(node
, head
, siblings
) {
915 if (node
->type
!= NODE_UNARY_EXPRESSION
) {
919 if (node
->u
.unary_expression
.type
!= UNARY_SIGNED_CONSTANT
) {
928 int get_unary_signed(struct bt_list_head
*head
, int64_t *value
)
932 struct ctf_node
*node
;
934 bt_list_for_each_entry(node
, head
, siblings
) {
935 int uexpr_type
= node
->u
.unary_expression
.type
;
936 int uexpr_link
= node
->u
.unary_expression
.link
;
937 int cond
= node
->type
!= NODE_UNARY_EXPRESSION
||
938 (uexpr_type
!= UNARY_UNSIGNED_CONSTANT
&&
939 uexpr_type
!= UNARY_SIGNED_CONSTANT
) ||
940 uexpr_link
!= UNARY_LINK_UNKNOWN
|| i
!= 0;
946 switch (uexpr_type
) {
947 case UNARY_UNSIGNED_CONSTANT
:
949 node
->u
.unary_expression
.u
.unsigned_constant
;
951 case UNARY_SIGNED_CONSTANT
:
952 *value
= node
->u
.unary_expression
.u
.signed_constant
;
967 int get_unary_uuid(struct bt_list_head
*head
, unsigned char *uuid
)
971 struct ctf_node
*node
;
973 bt_list_for_each_entry(node
, head
, siblings
) {
974 int uexpr_type
= node
->u
.unary_expression
.type
;
975 int uexpr_link
= node
->u
.unary_expression
.link
;
976 const char *src_string
;
978 if (node
->type
!= NODE_UNARY_EXPRESSION
||
979 uexpr_type
!= UNARY_STRING
||
980 uexpr_link
!= UNARY_LINK_UNKNOWN
||
986 src_string
= node
->u
.unary_expression
.u
.string
;
987 ret
= bt_uuid_parse(src_string
, uuid
);
990 "Cannot parse UUID: uuid=\"%s\"", src_string
);
1000 int get_boolean(struct ctf_node
*unary_expr
)
1004 if (unary_expr
->type
!= NODE_UNARY_EXPRESSION
) {
1005 _BT_LOGE_NODE(unary_expr
,
1006 "Expecting unary expression: node-type=%d",
1012 switch (unary_expr
->u
.unary_expression
.type
) {
1013 case UNARY_UNSIGNED_CONSTANT
:
1014 ret
= (unary_expr
->u
.unary_expression
.u
.unsigned_constant
!= 0);
1016 case UNARY_SIGNED_CONSTANT
:
1017 ret
= (unary_expr
->u
.unary_expression
.u
.signed_constant
!= 0);
1021 const char *str
= unary_expr
->u
.unary_expression
.u
.string
;
1023 if (!strcmp(str
, "true") || !strcmp(str
, "TRUE")) {
1025 } else if (!strcmp(str
, "false") || !strcmp(str
, "FALSE")) {
1028 _BT_LOGE_NODE(unary_expr
,
1029 "Unexpected boolean value: value=\"%s\"", str
);
1036 _BT_LOGE_NODE(unary_expr
,
1037 "Unexpected unary expression type: node-type=%d",
1038 unary_expr
->u
.unary_expression
.type
);
1048 enum ctf_byte_order
byte_order_from_unary_expr(struct ctf_node
*unary_expr
)
1051 enum ctf_byte_order bo
= -1;
1053 if (unary_expr
->u
.unary_expression
.type
!= UNARY_STRING
) {
1054 _BT_LOGE_NODE(unary_expr
,
1055 "\"byte_order\" attribute: expecting `be`, `le`, `network`, or `native`.");
1059 str
= unary_expr
->u
.unary_expression
.u
.string
;
1061 if (!strcmp(str
, "be") || !strcmp(str
, "network")) {
1062 bo
= CTF_BYTE_ORDER_BIG
;
1063 } else if (!strcmp(str
, "le")) {
1064 bo
= CTF_BYTE_ORDER_LITTLE
;
1065 } else if (!strcmp(str
, "native")) {
1066 bo
= CTF_BYTE_ORDER_DEFAULT
;
1068 _BT_LOGE_NODE(unary_expr
,
1069 "Unexpected \"byte_order\" attribute value: "
1070 "expecting `be`, `le`, `network`, or `native`: value=\"%s\"",
1080 enum ctf_byte_order
get_real_byte_order(struct ctx
*ctx
,
1081 struct ctf_node
*uexpr
)
1083 enum ctf_byte_order bo
= byte_order_from_unary_expr(uexpr
);
1085 if (bo
== CTF_BYTE_ORDER_DEFAULT
) {
1086 bo
= ctx
->ctf_tc
->default_byte_order
;
1093 int is_align_valid(uint64_t align
)
1095 return (align
!= 0) && !(align
& (align
- UINT64_C(1)));
1099 int get_class_specifier_name(struct ctx
*ctx
, struct ctf_node
*cls_specifier
,
1104 if (cls_specifier
->type
!= NODE_TYPE_SPECIFIER
) {
1105 _BT_LOGE_NODE(cls_specifier
,
1106 "Unexpected node type: node-type=%d",
1107 cls_specifier
->type
);
1112 switch (cls_specifier
->u
.field_class_specifier
.type
) {
1114 g_string_append(str
, "void");
1117 g_string_append(str
, "char");
1119 case TYPESPEC_SHORT
:
1120 g_string_append(str
, "short");
1123 g_string_append(str
, "int");
1126 g_string_append(str
, "long");
1128 case TYPESPEC_FLOAT
:
1129 g_string_append(str
, "float");
1131 case TYPESPEC_DOUBLE
:
1132 g_string_append(str
, "double");
1134 case TYPESPEC_SIGNED
:
1135 g_string_append(str
, "signed");
1137 case TYPESPEC_UNSIGNED
:
1138 g_string_append(str
, "unsigned");
1141 g_string_append(str
, "bool");
1143 case TYPESPEC_COMPLEX
:
1144 g_string_append(str
, "_Complex");
1146 case TYPESPEC_IMAGINARY
:
1147 g_string_append(str
, "_Imaginary");
1149 case TYPESPEC_CONST
:
1150 g_string_append(str
, "const");
1152 case TYPESPEC_ID_TYPE
:
1153 if (cls_specifier
->u
.field_class_specifier
.id_type
) {
1154 g_string_append(str
,
1155 cls_specifier
->u
.field_class_specifier
.id_type
);
1158 case TYPESPEC_STRUCT
:
1160 struct ctf_node
*node
= cls_specifier
->u
.field_class_specifier
.node
;
1162 if (!node
->u
._struct
.name
) {
1163 _BT_LOGE_NODE(node
, "Unexpected empty structure field class name.");
1168 g_string_append(str
, "struct ");
1169 g_string_append(str
, node
->u
._struct
.name
);
1172 case TYPESPEC_VARIANT
:
1174 struct ctf_node
*node
= cls_specifier
->u
.field_class_specifier
.node
;
1176 if (!node
->u
.variant
.name
) {
1177 _BT_LOGE_NODE(node
, "Unexpected empty variant field class name.");
1182 g_string_append(str
, "variant ");
1183 g_string_append(str
, node
->u
.variant
.name
);
1188 struct ctf_node
*node
= cls_specifier
->u
.field_class_specifier
.node
;
1190 if (!node
->u
._enum
.enum_id
) {
1192 "Unexpected empty enumeration field class (`enum`) name.");
1197 g_string_append(str
, "enum ");
1198 g_string_append(str
, node
->u
._enum
.enum_id
);
1201 case TYPESPEC_FLOATING_POINT
:
1202 case TYPESPEC_INTEGER
:
1203 case TYPESPEC_STRING
:
1205 _BT_LOGE_NODE(cls_specifier
->u
.field_class_specifier
.node
,
1206 "Unexpected field class specifier type: %d",
1207 cls_specifier
->u
.field_class_specifier
.type
);
1217 int get_class_specifier_list_name(struct ctx
*ctx
,
1218 struct ctf_node
*cls_specifier_list
, GString
*str
)
1221 struct ctf_node
*iter
;
1222 int alias_item_nr
= 0;
1223 struct bt_list_head
*head
=
1224 &cls_specifier_list
->u
.field_class_specifier_list
.head
;
1226 bt_list_for_each_entry(iter
, head
, siblings
) {
1227 if (alias_item_nr
!= 0) {
1228 g_string_append(str
, " ");
1232 ret
= get_class_specifier_name(ctx
, iter
, str
);
1243 GQuark
create_class_alias_identifier(struct ctx
*ctx
,
1244 struct ctf_node
*cls_specifier_list
,
1245 struct ctf_node
*node_field_class_declarator
)
1251 struct ctf_node
*iter
;
1252 struct bt_list_head
*pointers
=
1253 &node_field_class_declarator
->u
.field_class_declarator
.pointers
;
1255 str
= g_string_new("");
1256 ret
= get_class_specifier_list_name(ctx
, cls_specifier_list
, str
);
1258 g_string_free(str
, TRUE
);
1262 bt_list_for_each_entry(iter
, pointers
, siblings
) {
1263 g_string_append(str
, " *");
1265 if (iter
->u
.pointer
.const_qualifier
) {
1266 g_string_append(str
, " const");
1270 str_c
= g_string_free(str
, FALSE
);
1271 qalias
= g_quark_from_string(str_c
);
1279 int visit_field_class_declarator(struct ctx
*ctx
,
1280 struct ctf_node
*cls_specifier_list
,
1281 GQuark
*field_name
, struct ctf_node
*node_field_class_declarator
,
1282 struct ctf_field_class
**field_decl
,
1283 struct ctf_field_class
*nested_decl
)
1286 * During this whole function, nested_decl is always OURS,
1287 * whereas field_decl is an output which we create, but
1288 * belongs to the caller (it is moved).
1293 /* Validate field class declarator node */
1294 if (node_field_class_declarator
) {
1295 if (node_field_class_declarator
->u
.field_class_declarator
.type
==
1297 _BT_LOGE_NODE(node_field_class_declarator
,
1298 "Unexpected field class declarator type: type=%d",
1299 node_field_class_declarator
->u
.field_class_declarator
.type
);
1304 /* TODO: GCC bitfields not supported yet */
1305 if (node_field_class_declarator
->u
.field_class_declarator
.bitfield_len
!=
1307 _BT_LOGE_NODE(node_field_class_declarator
,
1308 "GCC bitfields are not supported as of this version.");
1314 /* Find the right nested declaration if not provided */
1316 struct bt_list_head
*pointers
=
1317 &node_field_class_declarator
->u
.field_class_declarator
.pointers
;
1319 if (node_field_class_declarator
&& !bt_list_empty(pointers
)) {
1323 * If we have a pointer declarator, it HAS to
1324 * be present in the field class aliases (else
1327 qalias
= create_class_alias_identifier(ctx
,
1328 cls_specifier_list
, node_field_class_declarator
);
1330 ctx_decl_scope_lookup_alias(ctx
->current_scope
,
1331 g_quark_to_string(qalias
), -1, true);
1333 _BT_LOGE_NODE(node_field_class_declarator
,
1334 "Cannot find class alias: name=\"%s\"",
1335 g_quark_to_string(qalias
));
1340 if (nested_decl
->type
== CTF_FIELD_CLASS_TYPE_INT
) {
1341 /* Pointer: force integer's base to 16 */
1342 struct ctf_field_class_int
*int_fc
=
1343 (void *) nested_decl
;
1346 BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
;
1349 ret
= visit_field_class_specifier_list(ctx
,
1350 cls_specifier_list
, &nested_decl
);
1352 BT_ASSERT(!nested_decl
);
1358 BT_ASSERT(nested_decl
);
1360 if (!node_field_class_declarator
) {
1361 *field_decl
= nested_decl
;
1366 if (node_field_class_declarator
->u
.field_class_declarator
.type
== TYPEDEC_ID
) {
1367 if (node_field_class_declarator
->u
.field_class_declarator
.u
.id
) {
1369 node_field_class_declarator
->u
.field_class_declarator
.u
.id
;
1375 *field_name
= g_quark_from_string(id
);
1380 *field_decl
= nested_decl
;
1384 struct ctf_node
*first
;
1385 struct ctf_field_class
*decl
= NULL
;
1386 struct ctf_field_class
*outer_field_decl
= NULL
;
1387 struct bt_list_head
*length
=
1388 &node_field_class_declarator
->
1389 u
.field_class_declarator
.u
.nested
.length
;
1391 /* Create array/sequence, pass nested_decl as child */
1392 if (bt_list_empty(length
)) {
1393 _BT_LOGE_NODE(node_field_class_declarator
,
1394 "Expecting length field reference or value.");
1399 first
= _BT_LIST_FIRST_ENTRY(length
, struct ctf_node
, siblings
);
1400 if (first
->type
!= NODE_UNARY_EXPRESSION
) {
1401 _BT_LOGE_NODE(first
,
1402 "Unexpected node type: node-type=%d",
1408 switch (first
->u
.unary_expression
.type
) {
1409 case UNARY_UNSIGNED_CONSTANT
:
1411 struct ctf_field_class_array
*array_decl
= NULL
;
1413 array_decl
= ctf_field_class_array_create();
1414 BT_ASSERT(array_decl
);
1415 array_decl
->length
=
1416 first
->u
.unary_expression
.u
.unsigned_constant
;
1417 array_decl
->base
.elem_fc
= nested_decl
;
1419 decl
= (void *) array_decl
;
1424 /* Lookup unsigned integer definition, create seq. */
1425 struct ctf_field_class_sequence
*seq_decl
= NULL
;
1426 char *length_name
= concatenate_unary_strings(length
);
1429 _BT_LOGE_NODE(node_field_class_declarator
,
1430 "Cannot concatenate unary strings.");
1435 if (strncmp(length_name
, "env.", 4) == 0) {
1436 /* This is, in fact, an array */
1437 const char *env_entry_name
= &length_name
[4];
1438 struct ctf_trace_class_env_entry
*env_entry
=
1439 ctf_trace_class_borrow_env_entry_by_name(
1440 ctx
->ctf_tc
, env_entry_name
);
1441 struct ctf_field_class_array
*array_decl
;
1444 _BT_LOGE_NODE(node_field_class_declarator
,
1445 "Cannot find environment entry: "
1446 "name=\"%s\"", env_entry_name
);
1451 if (env_entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1452 _BT_LOGE_NODE(node_field_class_declarator
,
1453 "Wrong environment entry type "
1454 "(expecting integer): "
1455 "name=\"%s\"", env_entry_name
);
1460 if (env_entry
->value
.i
< 0) {
1461 _BT_LOGE_NODE(node_field_class_declarator
,
1462 "Invalid, negative array length: "
1463 "env-entry-name=\"%s\", "
1466 env_entry
->value
.i
);
1471 array_decl
= ctf_field_class_array_create();
1472 BT_ASSERT(array_decl
);
1473 array_decl
->length
=
1474 (uint64_t) env_entry
->value
.i
;
1475 array_decl
->base
.elem_fc
= nested_decl
;
1477 decl
= (void *) array_decl
;
1479 char *length_name_no_underscore
=
1480 remove_underscores_from_field_ref(
1482 if (!length_name_no_underscore
) {
1484 * remove_underscores_from_field_ref()
1490 seq_decl
= ctf_field_class_sequence_create();
1491 BT_ASSERT(seq_decl
);
1492 seq_decl
->base
.elem_fc
= nested_decl
;
1494 g_string_assign(seq_decl
->length_ref
,
1495 length_name_no_underscore
);
1496 free(length_name_no_underscore
);
1497 decl
= (void *) seq_decl
;
1500 g_free(length_name
);
1508 BT_ASSERT(!nested_decl
);
1510 BT_ASSERT(!*field_decl
);
1513 * At this point, we found the next nested declaration.
1514 * We currently own this (and lost the ownership of
1515 * nested_decl in the meantime). Pass this next
1516 * nested declaration as the content of the outer
1517 * container, MOVING its ownership.
1519 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1521 node_field_class_declarator
->
1522 u
.field_class_declarator
.u
.nested
.field_class_declarator
,
1523 &outer_field_decl
, decl
);
1526 BT_ASSERT(!outer_field_decl
);
1531 BT_ASSERT(outer_field_decl
);
1532 *field_decl
= outer_field_decl
;
1533 outer_field_decl
= NULL
;
1536 BT_ASSERT(*field_decl
);
1540 ctf_field_class_destroy(*field_decl
);
1548 ctf_field_class_destroy(nested_decl
);
1554 int visit_struct_decl_field(struct ctx
*ctx
,
1555 struct ctf_field_class_struct
*struct_decl
,
1556 struct ctf_node
*cls_specifier_list
,
1557 struct bt_list_head
*field_class_declarators
)
1560 struct ctf_node
*iter
;
1561 struct ctf_field_class
*field_decl
= NULL
;
1563 bt_list_for_each_entry(iter
, field_class_declarators
, siblings
) {
1566 const char *field_name
;
1568 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1569 &qfield_name
, iter
, &field_decl
, NULL
);
1571 BT_ASSERT(!field_decl
);
1572 _BT_LOGE_NODE(cls_specifier_list
,
1573 "Cannot visit field class declarator: ret=%d", ret
);
1577 BT_ASSERT(field_decl
);
1578 field_name
= g_quark_to_string(qfield_name
);
1580 /* Check if field with same name already exists */
1581 if (ctf_field_class_struct_borrow_member_by_name(
1582 struct_decl
, field_name
)) {
1583 _BT_LOGE_NODE(cls_specifier_list
,
1584 "Duplicate field in structure field class: "
1585 "field-name=\"%s\"", field_name
);
1590 /* Add field to structure */
1591 ctf_field_class_struct_append_member(struct_decl
,
1592 field_name
, field_decl
);
1599 ctf_field_class_destroy(field_decl
);
1605 int visit_variant_decl_field(struct ctx
*ctx
,
1606 struct ctf_field_class_variant
*variant_decl
,
1607 struct ctf_node
*cls_specifier_list
,
1608 struct bt_list_head
*field_class_declarators
)
1611 struct ctf_node
*iter
;
1612 struct ctf_field_class
*field_decl
= NULL
;
1614 bt_list_for_each_entry(iter
, field_class_declarators
, siblings
) {
1617 const char *field_name
;
1619 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1620 &qfield_name
, iter
, &field_decl
, NULL
);
1622 BT_ASSERT(!field_decl
);
1623 _BT_LOGE_NODE(cls_specifier_list
,
1624 "Cannot visit field class declarator: ret=%d", ret
);
1628 BT_ASSERT(field_decl
);
1629 field_name
= g_quark_to_string(qfield_name
);
1631 /* Check if field with same name already exists */
1632 if (ctf_field_class_variant_borrow_option_by_name(
1633 variant_decl
, field_name
)) {
1634 _BT_LOGE_NODE(cls_specifier_list
,
1635 "Duplicate field in variant field class: "
1636 "field-name=\"%s\"", field_name
);
1641 /* Add field to structure */
1642 ctf_field_class_variant_append_option(variant_decl
,
1643 field_name
, field_decl
);
1650 ctf_field_class_destroy(field_decl
);
1656 int visit_field_class_def(struct ctx
*ctx
, struct ctf_node
*cls_specifier_list
,
1657 struct bt_list_head
*field_class_declarators
)
1661 struct ctf_node
*iter
;
1662 struct ctf_field_class
*class_decl
= NULL
;
1664 bt_list_for_each_entry(iter
, field_class_declarators
, siblings
) {
1665 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1666 &qidentifier
, iter
, &class_decl
, NULL
);
1669 "Cannot visit field class declarator: ret=%d", ret
);
1674 /* Do not allow field class def and alias of untagged variants */
1675 if (class_decl
->type
== CTF_FIELD_CLASS_TYPE_VARIANT
) {
1676 struct ctf_field_class_variant
*var_fc
=
1677 (void *) class_decl
;
1679 if (var_fc
->tag_path
.path
->len
== 0) {
1681 "Type definition of untagged variant field class is not allowed.");
1687 ret
= ctx_decl_scope_register_alias(ctx
->current_scope
,
1688 g_quark_to_string(qidentifier
), class_decl
);
1691 "Cannot register field class alias: name=\"%s\"",
1692 g_quark_to_string(qidentifier
));
1698 ctf_field_class_destroy(class_decl
);
1704 int visit_field_class_alias(struct ctx
*ctx
, struct ctf_node
*target
,
1705 struct ctf_node
*alias
)
1709 struct ctf_node
*node
;
1710 GQuark qdummy_field_name
;
1711 struct ctf_field_class
*class_decl
= NULL
;
1713 /* Create target field class */
1714 if (bt_list_empty(&target
->u
.field_class_alias_target
.field_class_declarators
)) {
1717 node
= _BT_LIST_FIRST_ENTRY(
1718 &target
->u
.field_class_alias_target
.field_class_declarators
,
1719 struct ctf_node
, siblings
);
1722 ret
= visit_field_class_declarator(ctx
,
1723 target
->u
.field_class_alias_target
.field_class_specifier_list
,
1724 &qdummy_field_name
, node
, &class_decl
, NULL
);
1726 BT_ASSERT(!class_decl
);
1728 "Cannot visit field class declarator: ret=%d", ret
);
1732 /* Do not allow field class def and alias of untagged variants */
1733 if (class_decl
->type
== CTF_FIELD_CLASS_TYPE_VARIANT
) {
1734 struct ctf_field_class_variant
*var_fc
= (void *) class_decl
;
1736 if (var_fc
->tag_path
.path
->len
== 0) {
1737 _BT_LOGE_NODE(target
,
1738 "Type definition of untagged variant field class is not allowed.");
1745 * The semantic validator does not check whether the target is
1746 * abstract or not (if it has an identifier). Check it here.
1748 if (qdummy_field_name
!= 0) {
1749 _BT_LOGE_NODE(target
,
1750 "Expecting empty identifier: id=\"%s\"",
1751 g_quark_to_string(qdummy_field_name
));
1756 /* Create alias identifier */
1757 node
= _BT_LIST_FIRST_ENTRY(&alias
->u
.field_class_alias_name
.field_class_declarators
,
1758 struct ctf_node
, siblings
);
1759 qalias
= create_class_alias_identifier(ctx
,
1760 alias
->u
.field_class_alias_name
.field_class_specifier_list
, node
);
1761 ret
= ctx_decl_scope_register_alias(ctx
->current_scope
,
1762 g_quark_to_string(qalias
), class_decl
);
1765 "Cannot register class alias: name=\"%s\"",
1766 g_quark_to_string(qalias
));
1771 ctf_field_class_destroy(class_decl
);
1777 int visit_struct_decl_entry(struct ctx
*ctx
, struct ctf_node
*entry_node
,
1778 struct ctf_field_class_struct
*struct_decl
)
1782 switch (entry_node
->type
) {
1784 ret
= visit_field_class_def(ctx
,
1785 entry_node
->u
.field_class_def
.field_class_specifier_list
,
1786 &entry_node
->u
.field_class_def
.field_class_declarators
);
1788 _BT_LOGE_NODE(entry_node
,
1789 "Cannot add field class found in structure field class: ret=%d",
1794 case NODE_TYPEALIAS
:
1795 ret
= visit_field_class_alias(ctx
, entry_node
->u
.field_class_alias
.target
,
1796 entry_node
->u
.field_class_alias
.alias
);
1798 _BT_LOGE_NODE(entry_node
,
1799 "Cannot add field class alias found in structure field class: ret=%d",
1804 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
1806 ret
= visit_struct_decl_field(ctx
, struct_decl
,
1807 entry_node
->u
.struct_or_variant_declaration
.
1808 field_class_specifier_list
,
1809 &entry_node
->u
.struct_or_variant_declaration
.
1810 field_class_declarators
);
1816 _BT_LOGE_NODE(entry_node
,
1817 "Unexpected node type: node-type=%d", entry_node
->type
);
1827 int visit_variant_decl_entry(struct ctx
*ctx
, struct ctf_node
*entry_node
,
1828 struct ctf_field_class_variant
*variant_decl
)
1832 switch (entry_node
->type
) {
1834 ret
= visit_field_class_def(ctx
,
1835 entry_node
->u
.field_class_def
.field_class_specifier_list
,
1836 &entry_node
->u
.field_class_def
.field_class_declarators
);
1838 _BT_LOGE_NODE(entry_node
,
1839 "Cannot add field class found in variant field class: ret=%d",
1844 case NODE_TYPEALIAS
:
1845 ret
= visit_field_class_alias(ctx
, entry_node
->u
.field_class_alias
.target
,
1846 entry_node
->u
.field_class_alias
.alias
);
1848 _BT_LOGE_NODE(entry_node
,
1849 "Cannot add field class alias found in variant field class: ret=%d",
1854 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
1856 ret
= visit_variant_decl_field(ctx
, variant_decl
,
1857 entry_node
->u
.struct_or_variant_declaration
.
1858 field_class_specifier_list
,
1859 &entry_node
->u
.struct_or_variant_declaration
.
1860 field_class_declarators
);
1866 _BT_LOGE_NODE(entry_node
,
1867 "Unexpected node type: node-type=%d",
1878 int visit_struct_decl(struct ctx
*ctx
, const char *name
,
1879 struct bt_list_head
*decl_list
, int has_body
,
1880 struct bt_list_head
*min_align
,
1881 struct ctf_field_class_struct
**struct_decl
)
1885 BT_ASSERT(struct_decl
);
1886 *struct_decl
= NULL
;
1888 /* For named struct (without body), lookup in declaration scope */
1891 BT_LOGE_STR("Bodyless structure field class: missing name.");
1896 *struct_decl
= ctx_decl_scope_lookup_struct(ctx
->current_scope
,
1898 if (!*struct_decl
) {
1899 BT_LOGE("Cannot find structure field class: name=\"struct %s\"",
1905 struct ctf_node
*entry_node
;
1906 uint64_t min_align_value
= 0;
1909 if (ctx_decl_scope_lookup_struct(
1910 ctx
->current_scope
, name
, 1, false)) {
1911 BT_LOGE("Structure field class already declared in local scope: "
1912 "name=\"struct %s\"", name
);
1918 if (!bt_list_empty(min_align
)) {
1919 ret
= get_unary_unsigned(min_align
, &min_align_value
);
1921 BT_LOGE("Unexpected unary expression for structure field class's `align` attribute: "
1927 *struct_decl
= ctf_field_class_struct_create();
1928 BT_ASSERT(*struct_decl
);
1930 if (min_align_value
!= 0) {
1931 (*struct_decl
)->base
.alignment
= min_align_value
;
1934 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
1936 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
1937 ret
= visit_struct_decl_entry(ctx
, entry_node
,
1940 _BT_LOGE_NODE(entry_node
,
1941 "Cannot visit structure field class entry: "
1951 ret
= ctx_decl_scope_register_struct(ctx
->current_scope
,
1952 name
, *struct_decl
);
1954 BT_LOGE("Cannot register structure field class in declaration scope: "
1955 "name=\"struct %s\", ret=%d", name
, ret
);
1964 ctf_field_class_destroy((void *) *struct_decl
);
1965 *struct_decl
= NULL
;
1970 int visit_variant_decl(struct ctx
*ctx
, const char *name
,
1971 const char *tag
, struct bt_list_head
*decl_list
,
1972 int has_body
, struct ctf_field_class_variant
**variant_decl
)
1975 struct ctf_field_class_variant
*untagged_variant_decl
= NULL
;
1977 BT_ASSERT(variant_decl
);
1978 *variant_decl
= NULL
;
1980 /* For named variant (without body), lookup in declaration scope */
1983 BT_LOGE_STR("Bodyless variant field class: missing name.");
1988 untagged_variant_decl
=
1989 ctx_decl_scope_lookup_variant(ctx
->current_scope
,
1991 if (!untagged_variant_decl
) {
1992 BT_LOGE("Cannot find variant field class: name=\"variant %s\"",
1998 struct ctf_node
*entry_node
;
2001 if (ctx_decl_scope_lookup_variant(ctx
->current_scope
,
2003 BT_LOGE("Variant field class already declared in local scope: "
2004 "name=\"variant %s\"", name
);
2010 untagged_variant_decl
= ctf_field_class_variant_create();
2011 BT_ASSERT(untagged_variant_decl
);
2012 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
2014 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
2015 ret
= visit_variant_decl_entry(ctx
, entry_node
,
2016 untagged_variant_decl
);
2018 _BT_LOGE_NODE(entry_node
,
2019 "Cannot visit variant field class entry: "
2029 ret
= ctx_decl_scope_register_variant(
2030 ctx
->current_scope
, name
,
2031 untagged_variant_decl
);
2033 BT_LOGE("Cannot register variant field class in declaration scope: "
2034 "name=\"variant %s\", ret=%d", name
, ret
);
2041 * If tagged, create tagged variant and return; otherwise
2042 * return untagged variant.
2045 *variant_decl
= untagged_variant_decl
;
2046 untagged_variant_decl
= NULL
;
2049 * At this point, we have a fresh untagged variant; nobody
2050 * else owns it. Set its tag now.
2052 char *tag_no_underscore
=
2053 remove_underscores_from_field_ref(tag
);
2055 if (!tag_no_underscore
) {
2056 /* remove_underscores_from_field_ref() logs errors */
2060 g_string_assign(untagged_variant_decl
->tag_ref
,
2062 free(tag_no_underscore
);
2063 *variant_decl
= untagged_variant_decl
;
2064 untagged_variant_decl
= NULL
;
2067 BT_ASSERT(!untagged_variant_decl
);
2068 BT_ASSERT(*variant_decl
);
2072 ctf_field_class_destroy((void *) untagged_variant_decl
);
2073 untagged_variant_decl
= NULL
;
2074 ctf_field_class_destroy((void *) *variant_decl
);
2075 *variant_decl
= NULL
;
2088 int visit_enum_decl_entry(struct ctx
*ctx
, struct ctf_node
*enumerator
,
2089 struct ctf_field_class_enum
*enum_decl
, struct uori
*last
)
2093 struct ctf_node
*iter
;
2094 struct uori start
= {
2102 const char *label
= enumerator
->u
.enumerator
.id
;
2103 const char *effective_label
= label
;
2104 struct bt_list_head
*values
= &enumerator
->u
.enumerator
.values
;
2106 bt_list_for_each_entry(iter
, values
, siblings
) {
2107 struct uori
*target
;
2109 if (iter
->type
!= NODE_UNARY_EXPRESSION
) {
2111 "Wrong expression for enumeration field class label: "
2112 "node-type=%d, label=\"%s\"", iter
->type
,
2124 switch (iter
->u
.unary_expression
.type
) {
2125 case UNARY_SIGNED_CONSTANT
:
2126 target
->is_signed
= true;
2128 iter
->u
.unary_expression
.u
.signed_constant
;
2130 case UNARY_UNSIGNED_CONSTANT
:
2131 target
->is_signed
= false;
2133 iter
->u
.unary_expression
.u
.unsigned_constant
;
2137 "Invalid enumeration field class entry: "
2138 "expecting constant signed or unsigned integer: "
2139 "node-type=%d, label=\"%s\"",
2140 iter
->u
.unary_expression
.type
, label
);
2147 "Invalid enumeration field class entry: label=\"%s\"",
2164 if (end
.is_signed
) {
2165 last
->value
.i
= end
.value
.i
+ 1;
2167 last
->value
.u
= end
.value
.u
+ 1;
2170 if (label
[0] == '_') {
2172 * Strip the first underscore of any enumeration field
2173 * class's label in case this enumeration FC is used as
2174 * a variant FC tag later. The variant FC choice names
2175 * could also start with `_`, in which case the prefix
2176 * is removed, and it the resulting choice name needs to
2179 effective_label
= &label
[1];
2182 ctf_field_class_enum_append_mapping(enum_decl
, effective_label
,
2183 start
.value
.u
, end
.value
.u
);
2191 int visit_enum_decl(struct ctx
*ctx
, const char *name
,
2192 struct ctf_node
*container_cls
,
2193 struct bt_list_head
*enumerator_list
,
2194 int has_body
, struct ctf_field_class_enum
**enum_decl
)
2198 struct ctf_field_class_int
*integer_decl
= NULL
;
2200 BT_ASSERT(enum_decl
);
2203 /* For named enum (without body), lookup in declaration scope */
2206 BT_LOGE_STR("Bodyless enumeration field class: missing name.");
2211 *enum_decl
= ctx_decl_scope_lookup_enum(ctx
->current_scope
,
2214 BT_LOGE("Cannot find enumeration field class: "
2215 "name=\"enum %s\"", name
);
2220 struct ctf_node
*iter
;
2221 struct uori last_value
= {
2227 if (ctx_decl_scope_lookup_enum(ctx
->current_scope
,
2229 BT_LOGE("Enumeration field class already declared in local scope: "
2230 "name=\"enum %s\"", name
);
2236 if (!container_cls
) {
2237 integer_decl
= (void *) ctx_decl_scope_lookup_alias(
2238 ctx
->current_scope
, "int", -1, true);
2239 if (!integer_decl
) {
2240 BT_LOGE_STR("Cannot find implicit `int` field class alias for enumeration field class.");
2245 ret
= visit_field_class_declarator(ctx
, container_cls
,
2246 &qdummy_id
, NULL
, (void *) &integer_decl
,
2249 BT_ASSERT(!integer_decl
);
2255 BT_ASSERT(integer_decl
);
2257 if (integer_decl
->base
.base
.type
!= CTF_FIELD_CLASS_TYPE_INT
) {
2258 BT_LOGE("Container field class for enumeration field class is not an integer field class: "
2259 "fc-type=%d", integer_decl
->base
.base
.type
);
2264 *enum_decl
= ctf_field_class_enum_create();
2265 BT_ASSERT(*enum_decl
);
2266 (*enum_decl
)->base
.base
.base
.alignment
=
2267 integer_decl
->base
.base
.alignment
;
2268 ctf_field_class_int_copy_content((void *) *enum_decl
,
2269 (void *) integer_decl
);
2270 last_value
.is_signed
= (*enum_decl
)->base
.is_signed
;
2272 bt_list_for_each_entry(iter
, enumerator_list
, siblings
) {
2273 ret
= visit_enum_decl_entry(ctx
, iter
, *enum_decl
,
2277 "Cannot visit enumeration field class entry: "
2284 ret
= ctx_decl_scope_register_enum(ctx
->current_scope
,
2287 BT_LOGE("Cannot register enumeration field class in declaration scope: "
2297 ctf_field_class_destroy((void *) *enum_decl
);
2301 ctf_field_class_destroy((void *) integer_decl
);
2302 integer_decl
= NULL
;
2307 int visit_field_class_specifier(struct ctx
*ctx
,
2308 struct ctf_node
*cls_specifier_list
,
2309 struct ctf_field_class
**decl
)
2312 GString
*str
= NULL
;
2315 str
= g_string_new("");
2316 ret
= get_class_specifier_list_name(ctx
, cls_specifier_list
, str
);
2318 _BT_LOGE_NODE(cls_specifier_list
,
2319 "Cannot get field class specifier list's name: ret=%d", ret
);
2323 *decl
= ctx_decl_scope_lookup_alias(ctx
->current_scope
, str
->str
, -1,
2326 _BT_LOGE_NODE(cls_specifier_list
,
2327 "Cannot find field class alias: name=\"%s\"", str
->str
);
2335 ctf_field_class_destroy(*decl
);
2340 g_string_free(str
, TRUE
);
2347 int visit_integer_decl(struct ctx
*ctx
,
2348 struct bt_list_head
*expressions
,
2349 struct ctf_field_class_int
**integer_decl
)
2354 struct ctf_node
*expression
;
2355 uint64_t alignment
= 0, size
= 0;
2356 struct ctf_clock_class
*mapped_clock_class
= NULL
;
2357 enum ctf_encoding encoding
= CTF_ENCODING_NONE
;
2358 bt_field_class_integer_preferred_display_base base
=
2359 BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
;
2360 enum ctf_byte_order byte_order
= ctx
->ctf_tc
->default_byte_order
;
2362 *integer_decl
= NULL
;
2364 bt_list_for_each_entry(expression
, expressions
, siblings
) {
2365 struct ctf_node
*left
, *right
;
2367 left
= _BT_LIST_FIRST_ENTRY(&expression
->u
.ctf_expression
.left
,
2368 struct ctf_node
, siblings
);
2369 right
= _BT_LIST_FIRST_ENTRY(
2370 &expression
->u
.ctf_expression
.right
, struct ctf_node
,
2373 if (left
->u
.unary_expression
.type
!= UNARY_STRING
) {
2375 "Unexpected unary expression type: type=%d",
2376 left
->u
.unary_expression
.type
);
2381 if (!strcmp(left
->u
.unary_expression
.u
.string
, "signed")) {
2382 if (_IS_SET(&set
, _INTEGER_SIGNED_SET
)) {
2383 _BT_LOGE_DUP_ATTR(left
, "signed",
2384 "integer field class");
2389 signedness
= get_boolean(right
);
2390 if (signedness
< 0) {
2391 _BT_LOGE_NODE(right
,
2392 "Invalid boolean value for integer field class's `signed` attribute: "
2398 _SET(&set
, _INTEGER_SIGNED_SET
);
2399 } else if (!strcmp(left
->u
.unary_expression
.u
.string
,
2401 if (_IS_SET(&set
, _INTEGER_BYTE_ORDER_SET
)) {
2402 _BT_LOGE_DUP_ATTR(left
, "byte_order",
2403 "integer field class");
2408 byte_order
= get_real_byte_order(ctx
, right
);
2409 if (byte_order
== -1) {
2410 _BT_LOGE_NODE(right
,
2411 "Invalid `byte_order` attribute in integer field class: "
2417 _SET(&set
, _INTEGER_BYTE_ORDER_SET
);
2418 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "size")) {
2419 if (_IS_SET(&set
, _INTEGER_SIZE_SET
)) {
2420 _BT_LOGE_DUP_ATTR(left
, "size",
2421 "integer field class");
2426 if (right
->u
.unary_expression
.type
!=
2427 UNARY_UNSIGNED_CONSTANT
) {
2428 _BT_LOGE_NODE(right
,
2429 "Invalid `size` attribute in integer field class: "
2430 "expecting unsigned constant integer: "
2432 right
->u
.unary_expression
.type
);
2437 size
= right
->u
.unary_expression
.u
.unsigned_constant
;
2439 _BT_LOGE_NODE(right
,
2440 "Invalid `size` attribute in integer field class: "
2441 "expecting positive constant integer: "
2442 "size=%" PRIu64
, size
);
2445 } else if (size
> 64) {
2446 _BT_LOGE_NODE(right
,
2447 "Invalid `size` attribute in integer field class: "
2448 "integer fields over 64 bits are not supported as of this version: "
2449 "size=%" PRIu64
, size
);
2454 _SET(&set
, _INTEGER_SIZE_SET
);
2455 } else if (!strcmp(left
->u
.unary_expression
.u
.string
,
2457 if (_IS_SET(&set
, _INTEGER_ALIGN_SET
)) {
2458 _BT_LOGE_DUP_ATTR(left
, "align",
2459 "integer field class");
2464 if (right
->u
.unary_expression
.type
!=
2465 UNARY_UNSIGNED_CONSTANT
) {
2466 _BT_LOGE_NODE(right
,
2467 "Invalid `align` attribute in integer field class: "
2468 "expecting unsigned constant integer: "
2470 right
->u
.unary_expression
.type
);
2476 right
->u
.unary_expression
.u
.unsigned_constant
;
2477 if (!is_align_valid(alignment
)) {
2478 _BT_LOGE_NODE(right
,
2479 "Invalid `align` attribute in integer field class: "
2480 "expecting power of two: "
2481 "align=%" PRIu64
, alignment
);
2486 _SET(&set
, _INTEGER_ALIGN_SET
);
2487 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "base")) {
2488 if (_IS_SET(&set
, _INTEGER_BASE_SET
)) {
2489 _BT_LOGE_DUP_ATTR(left
, "base",
2490 "integer field class");
2495 switch (right
->u
.unary_expression
.type
) {
2496 case UNARY_UNSIGNED_CONSTANT
:
2498 uint64_t constant
= right
->u
.unary_expression
.
2499 u
.unsigned_constant
;
2503 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY
;
2506 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
;
2509 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
;
2512 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
;
2515 _BT_LOGE_NODE(right
,
2516 "Invalid `base` attribute in integer field class: "
2518 right
->u
.unary_expression
.u
.unsigned_constant
);
2526 char *s_right
= concatenate_unary_strings(
2527 &expression
->u
.ctf_expression
.right
);
2529 _BT_LOGE_NODE(right
,
2530 "Unexpected unary expression for integer field class's `base` attribute.");
2535 if (!strcmp(s_right
, "decimal") ||
2536 !strcmp(s_right
, "dec") ||
2537 !strcmp(s_right
, "d") ||
2538 !strcmp(s_right
, "i") ||
2539 !strcmp(s_right
, "u")) {
2540 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
;
2541 } else if (!strcmp(s_right
, "hexadecimal") ||
2542 !strcmp(s_right
, "hex") ||
2543 !strcmp(s_right
, "x") ||
2544 !strcmp(s_right
, "X") ||
2545 !strcmp(s_right
, "p")) {
2546 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
;
2547 } else if (!strcmp(s_right
, "octal") ||
2548 !strcmp(s_right
, "oct") ||
2549 !strcmp(s_right
, "o")) {
2550 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
;
2551 } else if (!strcmp(s_right
, "binary") ||
2552 !strcmp(s_right
, "b")) {
2553 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY
;
2555 _BT_LOGE_NODE(right
,
2556 "Unexpected unary expression for integer field class's `base` attribute: "
2557 "base=\"%s\"", s_right
);
2567 _BT_LOGE_NODE(right
,
2568 "Invalid `base` attribute in integer field class: "
2569 "expecting unsigned constant integer or unary string.");
2574 _SET(&set
, _INTEGER_BASE_SET
);
2575 } else if (!strcmp(left
->u
.unary_expression
.u
.string
,
2579 if (_IS_SET(&set
, _INTEGER_ENCODING_SET
)) {
2580 _BT_LOGE_DUP_ATTR(left
, "encoding",
2581 "integer field class");
2586 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
2587 _BT_LOGE_NODE(right
,
2588 "Invalid `encoding` attribute in integer field class: "
2589 "expecting unary string.");
2594 s_right
= concatenate_unary_strings(
2595 &expression
->u
.ctf_expression
.right
);
2597 _BT_LOGE_NODE(right
,
2598 "Unexpected unary expression for integer field class's `encoding` attribute.");
2603 if (!strcmp(s_right
, "UTF8") ||
2604 !strcmp(s_right
, "utf8") ||
2605 !strcmp(s_right
, "utf-8") ||
2606 !strcmp(s_right
, "UTF-8") ||
2607 !strcmp(s_right
, "ASCII") ||
2608 !strcmp(s_right
, "ascii")) {
2609 encoding
= CTF_ENCODING_UTF8
;
2610 } else if (!strcmp(s_right
, "none")) {
2611 encoding
= CTF_ENCODING_NONE
;
2613 _BT_LOGE_NODE(right
,
2614 "Invalid `encoding` attribute in integer field class: "
2615 "unknown encoding: encoding=\"%s\"",
2623 _SET(&set
, _INTEGER_ENCODING_SET
);
2624 } else if (!strcmp(left
->u
.unary_expression
.u
.string
, "map")) {
2625 const char *clock_name
;
2627 if (_IS_SET(&set
, _INTEGER_MAP_SET
)) {
2628 _BT_LOGE_DUP_ATTR(left
, "map",
2629 "integer field class");
2634 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
2635 _BT_LOGE_NODE(right
,
2636 "Invalid `map` attribute in integer field class: "
2637 "expecting unary string.");
2643 get_map_clock_name_value(
2644 &expression
->u
.ctf_expression
.right
);
2646 char *s_right
= concatenate_unary_strings(
2647 &expression
->u
.ctf_expression
.right
);
2650 _BT_LOGE_NODE(right
,
2651 "Unexpected unary expression for integer field class's `map` attribute.");
2656 _BT_LOGE_NODE(right
,
2657 "Invalid `map` attribute in integer field class: "
2658 "cannot find clock class at this point: name=\"%s\"",
2660 _SET(&set
, _INTEGER_MAP_SET
);
2665 mapped_clock_class
=
2666 ctf_trace_class_borrow_clock_class_by_name(
2667 ctx
->ctf_tc
, clock_name
);
2668 if (!mapped_clock_class
) {
2669 _BT_LOGE_NODE(right
,
2670 "Invalid `map` attribute in integer field class: "
2671 "cannot find clock class at this point: name=\"%s\"",
2677 _SET(&set
, _INTEGER_MAP_SET
);
2680 "Unknown attribute in integer field class: "
2682 left
->u
.unary_expression
.u
.string
);
2686 if (!_IS_SET(&set
, _INTEGER_SIZE_SET
)) {
2687 BT_LOGE_STR("Missing `size` attribute in integer field class.");
2692 if (!_IS_SET(&set
, _INTEGER_ALIGN_SET
)) {
2693 if (size
% CHAR_BIT
) {
2694 /* Bit-packed alignment */
2697 /* Byte-packed alignment */
2698 alignment
= CHAR_BIT
;
2702 *integer_decl
= ctf_field_class_int_create();
2703 BT_ASSERT(*integer_decl
);
2704 (*integer_decl
)->base
.base
.alignment
= alignment
;
2705 (*integer_decl
)->base
.byte_order
= byte_order
;
2706 (*integer_decl
)->base
.size
= size
;
2707 (*integer_decl
)->is_signed
= (signedness
> 0);
2708 (*integer_decl
)->disp_base
= base
;
2709 (*integer_decl
)->encoding
= encoding
;
2710 (*integer_decl
)->mapped_clock_class
= mapped_clock_class
;
2714 ctf_field_class_destroy((void *) *integer_decl
);
2715 *integer_decl
= NULL
;
2720 int visit_floating_point_number_decl(struct ctx
*ctx
,
2721 struct bt_list_head
*expressions
,
2722 struct ctf_field_class_float
**float_decl
)
2726 struct ctf_node
*expression
;
2727 uint64_t alignment
= 1, exp_dig
= 0, mant_dig
= 0;
2728 enum ctf_byte_order byte_order
= ctx
->ctf_tc
->default_byte_order
;
2732 bt_list_for_each_entry(expression
, expressions
, siblings
) {
2733 struct ctf_node
*left
, *right
;
2735 left
= _BT_LIST_FIRST_ENTRY(&expression
->u
.ctf_expression
.left
,
2736 struct ctf_node
, siblings
);
2737 right
= _BT_LIST_FIRST_ENTRY(
2738 &expression
->u
.ctf_expression
.right
, struct ctf_node
,
2741 if (left
->u
.unary_expression
.type
!= UNARY_STRING
) {
2743 "Unexpected unary expression type: type=%d",
2744 left
->u
.unary_expression
.type
);
2749 if (!strcmp(left
->u
.unary_expression
.u
.string
, "byte_order")) {
2750 if (_IS_SET(&set
, _FLOAT_BYTE_ORDER_SET
)) {
2751 _BT_LOGE_DUP_ATTR(left
, "byte_order",
2752 "floating point number field class");
2757 byte_order
= get_real_byte_order(ctx
, right
);
2758 if (byte_order
== -1) {
2759 _BT_LOGE_NODE(right
,
2760 "Invalid `byte_order` attribute in floating point number field class: "
2766 _SET(&set
, _FLOAT_BYTE_ORDER_SET
);
2767 } else if (!strcmp(left
->u
.unary_expression
.u
.string
,
2769 if (_IS_SET(&set
, _FLOAT_EXP_DIG_SET
)) {
2770 _BT_LOGE_DUP_ATTR(left
, "exp_dig",
2771 "floating point number field class");
2776 if (right
->u
.unary_expression
.type
!=
2777 UNARY_UNSIGNED_CONSTANT
) {
2778 _BT_LOGE_NODE(right
,
2779 "Invalid `exp_dig` attribute in floating point number field class: "
2780 "expecting unsigned constant integer: "
2782 right
->u
.unary_expression
.type
);
2787 exp_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
2788 _SET(&set
, _FLOAT_EXP_DIG_SET
);
2789 } else if (!strcmp(left
->u
.unary_expression
.u
.string
,
2791 if (_IS_SET(&set
, _FLOAT_MANT_DIG_SET
)) {
2792 _BT_LOGE_DUP_ATTR(left
, "mant_dig",
2793 "floating point number field class");
2798 if (right
->u
.unary_expression
.type
!=
2799 UNARY_UNSIGNED_CONSTANT
) {
2800 _BT_LOGE_NODE(right
,
2801 "Invalid `mant_dig` attribute in floating point number field class: "
2802 "expecting unsigned constant integer: "
2804 right
->u
.unary_expression
.type
);
2809 mant_dig
= right
->u
.unary_expression
.u
.
2811 _SET(&set
, _FLOAT_MANT_DIG_SET
);
2812 } else if (!strcmp(left
->u
.unary_expression
.u
.string
,
2814 if (_IS_SET(&set
, _FLOAT_ALIGN_SET
)) {
2815 _BT_LOGE_DUP_ATTR(left
, "align",
2816 "floating point number field class");
2821 if (right
->u
.unary_expression
.type
!=
2822 UNARY_UNSIGNED_CONSTANT
) {
2823 _BT_LOGE_NODE(right
,
2824 "Invalid `align` attribute in floating point number field class: "
2825 "expecting unsigned constant integer: "
2827 right
->u
.unary_expression
.type
);
2832 alignment
= right
->u
.unary_expression
.u
.
2835 if (!is_align_valid(alignment
)) {
2836 _BT_LOGE_NODE(right
,
2837 "Invalid `align` attribute in floating point number field class: "
2838 "expecting power of two: "
2839 "align=%" PRIu64
, alignment
);
2844 _SET(&set
, _FLOAT_ALIGN_SET
);
2847 "Unknown attribute in floating point number field class: "
2849 left
->u
.unary_expression
.u
.string
);
2853 if (!_IS_SET(&set
, _FLOAT_MANT_DIG_SET
)) {
2854 BT_LOGE_STR("Missing `mant_dig` attribute in floating point number field class.");
2859 if (!_IS_SET(&set
, _FLOAT_EXP_DIG_SET
)) {
2860 BT_LOGE_STR("Missing `exp_dig` attribute in floating point number field class.");
2865 if (mant_dig
!= 24 && mant_dig
!= 53) {
2866 BT_LOGE_STR("`mant_dig` attribute: expecting 24 or 53.");
2871 if (mant_dig
== 24 && exp_dig
!= 8) {
2872 BT_LOGE_STR("`exp_dig` attribute: expecting 8 because `mant_dig` is 24.");
2877 if (mant_dig
== 53 && exp_dig
!= 11) {
2878 BT_LOGE_STR("`exp_dig` attribute: expecting 11 because `mant_dig` is 53.");
2883 if (!_IS_SET(&set
, _INTEGER_ALIGN_SET
)) {
2884 if ((mant_dig
+ exp_dig
) % CHAR_BIT
) {
2885 /* Bit-packed alignment */
2888 /* Byte-packed alignment */
2889 alignment
= CHAR_BIT
;
2893 *float_decl
= ctf_field_class_float_create();
2894 BT_ASSERT(*float_decl
);
2895 (*float_decl
)->base
.base
.alignment
= alignment
;
2896 (*float_decl
)->base
.byte_order
= byte_order
;
2897 (*float_decl
)->base
.size
= mant_dig
+ exp_dig
;
2901 ctf_field_class_destroy((void *) *float_decl
);
2907 int visit_string_decl(struct ctx
*ctx
,
2908 struct bt_list_head
*expressions
,
2909 struct ctf_field_class_string
**string_decl
)
2913 struct ctf_node
*expression
;
2914 enum ctf_encoding encoding
= CTF_ENCODING_UTF8
;
2916 *string_decl
= NULL
;
2918 bt_list_for_each_entry(expression
, expressions
, siblings
) {
2919 struct ctf_node
*left
, *right
;
2921 left
= _BT_LIST_FIRST_ENTRY(&expression
->u
.ctf_expression
.left
,
2922 struct ctf_node
, siblings
);
2923 right
= _BT_LIST_FIRST_ENTRY(
2924 &expression
->u
.ctf_expression
.right
, struct ctf_node
,
2927 if (left
->u
.unary_expression
.type
!= UNARY_STRING
) {
2929 "Unexpected unary expression type: type=%d",
2930 left
->u
.unary_expression
.type
);
2935 if (!strcmp(left
->u
.unary_expression
.u
.string
, "encoding")) {
2938 if (_IS_SET(&set
, _STRING_ENCODING_SET
)) {
2939 _BT_LOGE_DUP_ATTR(left
, "encoding",
2940 "string field class");
2945 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
2946 _BT_LOGE_NODE(right
,
2947 "Invalid `encoding` attribute in string field class: "
2948 "expecting unary string.");
2953 s_right
= concatenate_unary_strings(
2954 &expression
->u
.ctf_expression
.right
);
2956 _BT_LOGE_NODE(right
,
2957 "Unexpected unary expression for string field class's `encoding` attribute.");
2962 if (!strcmp(s_right
, "UTF8") ||
2963 !strcmp(s_right
, "utf8") ||
2964 !strcmp(s_right
, "utf-8") ||
2965 !strcmp(s_right
, "UTF-8") ||
2966 !strcmp(s_right
, "ASCII") ||
2967 !strcmp(s_right
, "ascii")) {
2968 encoding
= CTF_ENCODING_UTF8
;
2969 } else if (!strcmp(s_right
, "none")) {
2970 encoding
= CTF_ENCODING_NONE
;
2972 _BT_LOGE_NODE(right
,
2973 "Invalid `encoding` attribute in string field class: "
2974 "unknown encoding: encoding=\"%s\"",
2982 _SET(&set
, _STRING_ENCODING_SET
);
2985 "Unknown attribute in string field class: "
2987 left
->u
.unary_expression
.u
.string
);
2991 *string_decl
= ctf_field_class_string_create();
2992 BT_ASSERT(*string_decl
);
2993 (*string_decl
)->encoding
= encoding
;
2997 ctf_field_class_destroy((void *) *string_decl
);
2998 *string_decl
= NULL
;
3003 int visit_field_class_specifier_list(struct ctx
*ctx
,
3004 struct ctf_node
*ts_list
, struct ctf_field_class
**decl
)
3007 struct ctf_node
*first
, *node
;
3011 if (ts_list
->type
!= NODE_TYPE_SPECIFIER_LIST
) {
3012 _BT_LOGE_NODE(ts_list
,
3013 "Unexpected node type: node-type=%d", ts_list
->type
);
3018 first
= _BT_LIST_FIRST_ENTRY(&ts_list
->u
.field_class_specifier_list
.head
,
3019 struct ctf_node
, siblings
);
3020 if (first
->type
!= NODE_TYPE_SPECIFIER
) {
3021 _BT_LOGE_NODE(first
,
3022 "Unexpected node type: node-type=%d", first
->type
);
3027 node
= first
->u
.field_class_specifier
.node
;
3029 switch (first
->u
.field_class_specifier
.type
) {
3030 case TYPESPEC_INTEGER
:
3031 ret
= visit_integer_decl(ctx
, &node
->u
.integer
.expressions
,
3038 case TYPESPEC_FLOATING_POINT
:
3039 ret
= visit_floating_point_number_decl(ctx
,
3040 &node
->u
.floating_point
.expressions
, (void *) decl
);
3046 case TYPESPEC_STRING
:
3047 ret
= visit_string_decl(ctx
,
3048 &node
->u
.string
.expressions
, (void *) decl
);
3054 case TYPESPEC_STRUCT
:
3055 ret
= visit_struct_decl(ctx
, node
->u
._struct
.name
,
3056 &node
->u
._struct
.declaration_list
,
3057 node
->u
._struct
.has_body
,
3058 &node
->u
._struct
.min_align
, (void *) decl
);
3064 case TYPESPEC_VARIANT
:
3065 ret
= visit_variant_decl(ctx
, node
->u
.variant
.name
,
3066 node
->u
.variant
.choice
,
3067 &node
->u
.variant
.declaration_list
,
3068 node
->u
.variant
.has_body
, (void *) decl
);
3075 ret
= visit_enum_decl(ctx
, node
->u
._enum
.enum_id
,
3076 node
->u
._enum
.container_field_class
,
3077 &node
->u
._enum
.enumerator_list
,
3078 node
->u
._enum
.has_body
, (void *) decl
);
3086 case TYPESPEC_SHORT
:
3089 case TYPESPEC_FLOAT
:
3090 case TYPESPEC_DOUBLE
:
3091 case TYPESPEC_SIGNED
:
3092 case TYPESPEC_UNSIGNED
:
3094 case TYPESPEC_COMPLEX
:
3095 case TYPESPEC_IMAGINARY
:
3096 case TYPESPEC_CONST
:
3097 case TYPESPEC_ID_TYPE
:
3098 ret
= visit_field_class_specifier(ctx
, ts_list
, decl
);
3100 _BT_LOGE_NODE(first
,
3101 "Cannot visit field class specifier: ret=%d",
3108 _BT_LOGE_NODE(first
,
3109 "Unexpected field class specifier type: node-type=%d",
3110 first
->u
.field_class_specifier
.type
);
3119 ctf_field_class_destroy((void *) *decl
);
3125 int visit_event_decl_entry(struct ctx
*ctx
, struct ctf_node
*node
,
3126 struct ctf_event_class
*event_class
, uint64_t *stream_id
,
3132 switch (node
->type
) {
3134 ret
= visit_field_class_def(ctx
, node
->u
.field_class_def
.field_class_specifier_list
,
3135 &node
->u
.field_class_def
.field_class_declarators
);
3138 "Cannot add field class found in event class.");
3142 case NODE_TYPEALIAS
:
3143 ret
= visit_field_class_alias(ctx
, node
->u
.field_class_alias
.target
,
3144 node
->u
.field_class_alias
.alias
);
3147 "Cannot add field class alias found in event class.");
3151 case NODE_CTF_EXPRESSION
:
3153 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
3155 _BT_LOGE_NODE(node
, "Cannot concatenate unary strings.");
3160 if (!strcmp(left
, "name")) {
3161 /* This is already known at this stage */
3162 if (_IS_SET(set
, _EVENT_NAME_SET
)) {
3163 _BT_LOGE_DUP_ATTR(node
, "name", "event class");
3168 _SET(set
, _EVENT_NAME_SET
);
3169 } else if (!strcmp(left
, "id")) {
3172 if (_IS_SET(set
, _EVENT_ID_SET
)) {
3173 _BT_LOGE_DUP_ATTR(node
, "id", "event class");
3178 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
,
3180 /* Only read "id" if get_unary_unsigned() succeeded. */
3181 if (ret
|| (!ret
&& id
< 0)) {
3183 "Unexpected unary expression for event class's `id` attribute.");
3188 event_class
->id
= id
;
3189 _SET(set
, _EVENT_ID_SET
);
3190 } else if (!strcmp(left
, "stream_id")) {
3191 if (_IS_SET(set
, _EVENT_STREAM_ID_SET
)) {
3192 _BT_LOGE_DUP_ATTR(node
, "stream_id",
3198 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
,
3202 * Only read "stream_id" if get_unary_unsigned()
3205 if (ret
|| (!ret
&& *stream_id
< 0)) {
3207 "Unexpected unary expression for event class's `stream_id` attribute.");
3212 _SET(set
, _EVENT_STREAM_ID_SET
);
3213 } else if (!strcmp(left
, "context")) {
3214 if (_IS_SET(set
, _EVENT_CONTEXT_SET
)) {
3216 "Duplicate `context` entry in event class.");
3221 ret
= visit_field_class_specifier_list(ctx
,
3222 _BT_LIST_FIRST_ENTRY(
3223 &node
->u
.ctf_expression
.right
,
3224 struct ctf_node
, siblings
),
3225 &event_class
->spec_context_fc
);
3228 "Cannot create event class's context field class.");
3232 BT_ASSERT(event_class
->spec_context_fc
);
3233 _SET(set
, _EVENT_CONTEXT_SET
);
3234 } else if (!strcmp(left
, "fields")) {
3235 if (_IS_SET(set
, _EVENT_FIELDS_SET
)) {
3237 "Duplicate `fields` entry in event class.");
3242 ret
= visit_field_class_specifier_list(ctx
,
3243 _BT_LIST_FIRST_ENTRY(
3244 &node
->u
.ctf_expression
.right
,
3245 struct ctf_node
, siblings
),
3246 &event_class
->payload_fc
);
3249 "Cannot create event class's payload field class.");
3253 BT_ASSERT(event_class
->payload_fc
);
3254 _SET(set
, _EVENT_FIELDS_SET
);
3255 } else if (!strcmp(left
, "loglevel")) {
3256 uint64_t loglevel_value
;
3257 bt_event_class_log_level log_level
= -1;
3259 if (_IS_SET(set
, _EVENT_LOG_LEVEL_SET
)) {
3260 _BT_LOGE_DUP_ATTR(node
, "loglevel",
3266 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
,
3270 "Unexpected unary expression for event class's `loglevel` attribute.");
3275 switch (loglevel_value
) {
3277 log_level
= BT_EVENT_CLASS_LOG_LEVEL_EMERGENCY
;
3280 log_level
= BT_EVENT_CLASS_LOG_LEVEL_ALERT
;
3283 log_level
= BT_EVENT_CLASS_LOG_LEVEL_CRITICAL
;
3286 log_level
= BT_EVENT_CLASS_LOG_LEVEL_ERROR
;
3289 log_level
= BT_EVENT_CLASS_LOG_LEVEL_WARNING
;
3292 log_level
= BT_EVENT_CLASS_LOG_LEVEL_NOTICE
;
3295 log_level
= BT_EVENT_CLASS_LOG_LEVEL_INFO
;
3298 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM
;
3301 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM
;
3304 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS
;
3307 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE
;
3310 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT
;
3313 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION
;
3316 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE
;
3319 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG
;
3322 _BT_LOGW_NODE(node
, "Not setting event class's log level because its value is unknown: "
3323 "log-level=%" PRIu64
, loglevel_value
);
3326 if (log_level
!= -1) {
3327 event_class
->log_level
= log_level
;
3330 _SET(set
, _EVENT_LOG_LEVEL_SET
);
3331 } else if (!strcmp(left
, "model.emf.uri")) {
3334 if (_IS_SET(set
, _EVENT_MODEL_EMF_URI_SET
)) {
3335 _BT_LOGE_DUP_ATTR(node
, "model.emf.uri",
3341 right
= concatenate_unary_strings(
3342 &node
->u
.ctf_expression
.right
);
3345 "Unexpected unary expression for event class's `model.emf.uri` attribute.");
3350 if (strlen(right
) == 0) {
3352 "Not setting event class's EMF URI because it's empty.");
3354 g_string_assign(event_class
->emf_uri
,
3359 _SET(set
, _EVENT_MODEL_EMF_URI_SET
);
3362 "Unknown attribute in event class: "
3363 "attr-name=\"%s\"", left
);
3387 char *get_event_decl_name(struct ctx
*ctx
, struct ctf_node
*node
)
3391 struct ctf_node
*iter
;
3392 struct bt_list_head
*decl_list
= &node
->u
.event
.declaration_list
;
3394 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3395 if (iter
->type
!= NODE_CTF_EXPRESSION
) {
3399 left
= concatenate_unary_strings(&iter
->u
.ctf_expression
.left
);
3402 "Cannot concatenate unary strings.");
3406 if (!strcmp(left
, "name")) {
3407 name
= concatenate_unary_strings(
3408 &iter
->u
.ctf_expression
.right
);
3411 "Unexpected unary expression for event class's `name` attribute.");
3432 int visit_event_decl(struct ctx
*ctx
, struct ctf_node
*node
)
3436 struct ctf_node
*iter
;
3437 uint64_t stream_id
= 0;
3438 char *event_name
= NULL
;
3439 struct ctf_event_class
*event_class
= NULL
;
3440 struct ctf_stream_class
*stream_class
= NULL
;
3441 struct bt_list_head
*decl_list
= &node
->u
.event
.declaration_list
;
3442 bool pop_scope
= false;
3444 if (node
->visited
) {
3448 node
->visited
= TRUE
;
3449 event_name
= get_event_decl_name(ctx
, node
);
3452 "Missing `name` attribute in event class.");
3457 event_class
= ctf_event_class_create();
3458 BT_ASSERT(event_class
);
3459 g_string_assign(event_class
->name
, event_name
);
3460 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
3463 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3464 ret
= visit_event_decl_entry(ctx
, iter
, event_class
,
3467 _BT_LOGE_NODE(iter
, "Cannot visit event class's entry: "
3473 if (!_IS_SET(&set
, _EVENT_STREAM_ID_SET
)) {
3475 * Allow missing stream_id if there is only a single
3478 switch (ctx
->ctf_tc
->stream_classes
->len
) {
3480 /* Create implicit stream class if there's none */
3482 stream_class
= ctf_stream_class_create();
3483 BT_ASSERT(stream_class
);
3484 stream_class
->id
= stream_id
;
3485 g_ptr_array_add(ctx
->ctf_tc
->stream_classes
,
3489 /* Single stream class: get its ID */
3490 stream_class
= ctx
->ctf_tc
->stream_classes
->pdata
[0];
3491 stream_id
= stream_class
->id
;
3495 "Missing `stream_id` attribute in event class.");
3501 /* We have the stream ID now; get the stream class if found */
3502 if (!stream_class
) {
3503 stream_class
= ctf_trace_class_borrow_stream_class_by_id(
3504 ctx
->ctf_tc
, stream_id
);
3505 if (!stream_class
) {
3507 "Cannot find stream class at this point: "
3508 "id=%" PRId64
, stream_id
);
3514 BT_ASSERT(stream_class
);
3516 if (!_IS_SET(&set
, _EVENT_ID_SET
)) {
3517 /* Allow only one event without ID per stream */
3518 if (stream_class
->event_classes
->len
!= 0) {
3520 "Missing `id` attribute in event class.");
3526 event_class
->id
= 0;
3529 if (ctf_stream_class_borrow_event_class_by_id(stream_class
,
3532 "Duplicate event class (same ID) in the same stream class: "
3533 "id=%" PRId64
, event_class
->id
);
3538 ctf_stream_class_append_event_class(stream_class
, event_class
);
3543 ctf_event_class_destroy(event_class
);
3563 int auto_map_field_to_trace_clock_class(struct ctx
*ctx
,
3564 struct ctf_field_class
*fc
)
3566 struct ctf_clock_class
*clock_class_to_map_to
= NULL
;
3567 struct ctf_field_class_int
*int_fc
= (void *) fc
;
3569 uint64_t clock_class_count
;
3575 if (fc
->type
!= CTF_FIELD_CLASS_TYPE_INT
&&
3576 fc
->type
!= CTF_FIELD_CLASS_TYPE_ENUM
) {
3580 if (int_fc
->mapped_clock_class
) {
3581 /* Already mapped */
3585 clock_class_count
= ctx
->ctf_tc
->clock_classes
->len
;
3587 switch (clock_class_count
) {
3590 * No clock class exists in the trace at this point. Create an
3591 * implicit one at 1 GHz, named `default`, and use this clock
3594 clock_class_to_map_to
= ctf_clock_class_create();
3595 BT_ASSERT(clock_class_to_map_to
);
3596 clock_class_to_map_to
->frequency
= UINT64_C(1000000000);
3597 g_string_assign(clock_class_to_map_to
->name
, "default");
3598 BT_ASSERT(ret
== 0);
3599 g_ptr_array_add(ctx
->ctf_tc
->clock_classes
,
3600 clock_class_to_map_to
);
3604 * Only one clock class exists in the trace at this point: use
3607 clock_class_to_map_to
= ctx
->ctf_tc
->clock_classes
->pdata
[0];
3611 * Timestamp field not mapped to a clock class and there's more
3612 * than one clock class in the trace: this is an error.
3614 BT_LOGE_STR("Timestamp field found with no mapped clock class, "
3615 "but there's more than one clock class in the trace at this point.");
3620 BT_ASSERT(clock_class_to_map_to
);
3621 int_fc
->mapped_clock_class
= clock_class_to_map_to
;
3628 int auto_map_fields_to_trace_clock_class(struct ctx
*ctx
,
3629 struct ctf_field_class
*root_fc
, const char *field_name
)
3633 struct ctf_field_class_struct
*struct_fc
= (void *) root_fc
;
3634 struct ctf_field_class_variant
*var_fc
= (void *) root_fc
;
3640 if (root_fc
->type
!= CTF_FIELD_CLASS_TYPE_STRUCT
&&
3641 root_fc
->type
!= CTF_FIELD_CLASS_TYPE_VARIANT
) {
3645 if (root_fc
->type
== CTF_FIELD_CLASS_TYPE_STRUCT
) {
3646 count
= struct_fc
->members
->len
;
3648 count
= var_fc
->options
->len
;
3651 for (i
= 0; i
< count
; i
++) {
3652 struct ctf_named_field_class
*named_fc
= NULL
;
3654 if (root_fc
->type
== CTF_FIELD_CLASS_TYPE_STRUCT
) {
3655 named_fc
= ctf_field_class_struct_borrow_member_by_index(
3657 } else if (root_fc
->type
== CTF_FIELD_CLASS_TYPE_VARIANT
) {
3658 named_fc
= ctf_field_class_variant_borrow_option_by_index(
3662 if (strcmp(named_fc
->name
->str
, field_name
) == 0) {
3663 ret
= auto_map_field_to_trace_clock_class(ctx
,
3666 BT_LOGE("Cannot automatically map field to trace's clock class: "
3667 "field-name=\"%s\"", field_name
);
3672 ret
= auto_map_fields_to_trace_clock_class(ctx
, named_fc
->fc
,
3675 BT_LOGE("Cannot automatically map structure or variant field class's fields to trace's clock class: "
3676 "field-name=\"%s\", root-field-name=\"%s\"",
3677 field_name
, named_fc
->name
->str
);
3687 int visit_stream_decl_entry(struct ctx
*ctx
, struct ctf_node
*node
,
3688 struct ctf_stream_class
*stream_class
, int *set
)
3693 switch (node
->type
) {
3695 ret
= visit_field_class_def(ctx
, node
->u
.field_class_def
.field_class_specifier_list
,
3696 &node
->u
.field_class_def
.field_class_declarators
);
3699 "Cannot add field class found in stream class.");
3703 case NODE_TYPEALIAS
:
3704 ret
= visit_field_class_alias(ctx
, node
->u
.field_class_alias
.target
,
3705 node
->u
.field_class_alias
.alias
);
3708 "Cannot add field class alias found in stream class.");
3712 case NODE_CTF_EXPRESSION
:
3714 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
3716 _BT_LOGE_NODE(node
, "Cannot concatenate unary strings.");
3721 if (!strcmp(left
, "id")) {
3724 if (_IS_SET(set
, _STREAM_ID_SET
)) {
3725 _BT_LOGE_DUP_ATTR(node
, "id",
3726 "stream declaration");
3731 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
,
3734 /* Only read "id" if get_unary_unsigned() succeeded. */
3735 if (ret
|| (!ret
&& id
< 0)) {
3737 "Unexpected unary expression for stream class's `id` attribute.");
3742 if (ctf_trace_class_borrow_stream_class_by_id(
3745 "Duplicate stream class (same ID): id=%" PRId64
,
3751 stream_class
->id
= id
;
3752 _SET(set
, _STREAM_ID_SET
);
3753 } else if (!strcmp(left
, "event.header")) {
3754 if (_IS_SET(set
, _STREAM_EVENT_HEADER_SET
)) {
3756 "Duplicate `event.header` entry in stream class.");
3761 ret
= visit_field_class_specifier_list(ctx
,
3762 _BT_LIST_FIRST_ENTRY(
3763 &node
->u
.ctf_expression
.right
,
3764 struct ctf_node
, siblings
),
3765 &stream_class
->event_header_fc
);
3768 "Cannot create stream class's event header field class.");
3772 BT_ASSERT(stream_class
->event_header_fc
);
3773 ret
= auto_map_fields_to_trace_clock_class(ctx
,
3774 stream_class
->event_header_fc
, "timestamp");
3777 "Cannot automatically map specific event header field class fields named `timestamp` to trace's clock class.");
3781 _SET(set
, _STREAM_EVENT_HEADER_SET
);
3782 } else if (!strcmp(left
, "event.context")) {
3783 if (_IS_SET(set
, _STREAM_EVENT_CONTEXT_SET
)) {
3785 "Duplicate `event.context` entry in stream class.");
3790 ret
= visit_field_class_specifier_list(ctx
,
3791 _BT_LIST_FIRST_ENTRY(
3792 &node
->u
.ctf_expression
.right
,
3793 struct ctf_node
, siblings
),
3794 &stream_class
->event_common_context_fc
);
3797 "Cannot create stream class's event context field class.");
3801 BT_ASSERT(stream_class
->event_common_context_fc
);
3802 _SET(set
, _STREAM_EVENT_CONTEXT_SET
);
3803 } else if (!strcmp(left
, "packet.context")) {
3804 if (_IS_SET(set
, _STREAM_PACKET_CONTEXT_SET
)) {
3806 "Duplicate `packet.context` entry in stream class.");
3811 ret
= visit_field_class_specifier_list(ctx
,
3812 _BT_LIST_FIRST_ENTRY(
3813 &node
->u
.ctf_expression
.right
,
3814 struct ctf_node
, siblings
),
3815 &stream_class
->packet_context_fc
);
3818 "Cannot create stream class's packet context field class.");
3822 BT_ASSERT(stream_class
->packet_context_fc
);
3823 ret
= auto_map_fields_to_trace_clock_class(ctx
,
3824 stream_class
->packet_context_fc
,
3828 "Cannot automatically map specific packet context field class fields named `timestamp_begin` to trace's clock class.");
3832 ret
= auto_map_fields_to_trace_clock_class(ctx
,
3833 stream_class
->packet_context_fc
,
3837 "Cannot automatically map specific packet context field class fields named `timestamp_end` to trace's clock class.");
3841 _SET(set
, _STREAM_PACKET_CONTEXT_SET
);
3844 "Unknown attribute in stream class: "
3845 "attr-name=\"%s\"", left
);
3866 int visit_stream_decl(struct ctx
*ctx
, struct ctf_node
*node
)
3870 struct ctf_node
*iter
;
3871 struct ctf_stream_class
*stream_class
= NULL
;
3872 struct bt_list_head
*decl_list
= &node
->u
.stream
.declaration_list
;
3874 if (node
->visited
) {
3878 node
->visited
= TRUE
;
3879 stream_class
= ctf_stream_class_create();
3880 BT_ASSERT(stream_class
);
3881 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
3883 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3884 ret
= visit_stream_decl_entry(ctx
, iter
, stream_class
, &set
);
3887 "Cannot visit stream class's entry: "
3896 if (_IS_SET(&set
, _STREAM_ID_SET
)) {
3897 /* Check that packet header has `stream_id` field */
3898 struct ctf_named_field_class
*named_fc
= NULL
;
3900 if (!ctx
->ctf_tc
->packet_header_fc
) {
3902 "Stream class has a `id` attribute, "
3903 "but trace has no packet header field class.");
3907 named_fc
= ctf_field_class_struct_borrow_member_by_name(
3908 (void *) ctx
->ctf_tc
->packet_header_fc
, "stream_id");
3911 "Stream class has a `id` attribute, "
3912 "but trace's packet header field class has no `stream_id` field.");
3916 if (named_fc
->fc
->type
!= CTF_FIELD_CLASS_TYPE_INT
&&
3917 named_fc
->fc
->type
!= CTF_FIELD_CLASS_TYPE_ENUM
) {
3919 "Stream class has a `id` attribute, "
3920 "but trace's packet header field class's `stream_id` field is not an integer field class.");
3924 /* Allow only _one_ ID-less stream */
3925 if (ctx
->ctf_tc
->stream_classes
->len
!= 0) {
3927 "Missing `id` attribute in stream class as there's more than one stream class in the trace.");
3932 /* Automatic ID: 0 */
3933 stream_class
->id
= 0;
3937 * Make sure that this stream class's ID is currently unique in
3940 if (ctf_trace_class_borrow_stream_class_by_id(ctx
->ctf_tc
,
3941 stream_class
->id
)) {
3943 "Duplicate stream class (same ID): id=%" PRId64
,
3949 g_ptr_array_add(ctx
->ctf_tc
->stream_classes
, stream_class
);
3950 stream_class
= NULL
;
3954 ctf_stream_class_destroy(stream_class
);
3955 stream_class
= NULL
;
3962 int visit_trace_decl_entry(struct ctx
*ctx
, struct ctf_node
*node
, int *set
)
3968 switch (node
->type
) {
3970 ret
= visit_field_class_def(ctx
, node
->u
.field_class_def
.field_class_specifier_list
,
3971 &node
->u
.field_class_def
.field_class_declarators
);
3974 "Cannot add field class found in trace (`trace` block).");
3978 case NODE_TYPEALIAS
:
3979 ret
= visit_field_class_alias(ctx
, node
->u
.field_class_alias
.target
,
3980 node
->u
.field_class_alias
.alias
);
3983 "Cannot add field class alias found in trace (`trace` block).");
3987 case NODE_CTF_EXPRESSION
:
3989 left
= concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
3991 _BT_LOGE_NODE(node
, "Cannot concatenate unary strings.");
3996 if (!strcmp(left
, "major")) {
3997 if (_IS_SET(set
, _TRACE_MAJOR_SET
)) {
3998 _BT_LOGE_DUP_ATTR(node
, "major", "trace");
4003 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
,
4007 "Unexpected unary expression for trace's `major` attribute.");
4014 "Invalid trace's `minor` attribute: expecting 1.");
4018 ctx
->ctf_tc
->major
= val
;
4019 _SET(set
, _TRACE_MAJOR_SET
);
4020 } else if (!strcmp(left
, "minor")) {
4021 if (_IS_SET(set
, _TRACE_MINOR_SET
)) {
4022 _BT_LOGE_DUP_ATTR(node
, "minor", "trace");
4027 ret
= get_unary_unsigned(&node
->u
.ctf_expression
.right
,
4031 "Unexpected unary expression for trace's `minor` attribute.");
4038 "Invalid trace's `minor` attribute: expecting 8.");
4042 ctx
->ctf_tc
->minor
= val
;
4043 _SET(set
, _TRACE_MINOR_SET
);
4044 } else if (!strcmp(left
, "uuid")) {
4045 if (_IS_SET(set
, _TRACE_UUID_SET
)) {
4046 _BT_LOGE_DUP_ATTR(node
, "uuid", "trace");
4051 ret
= get_unary_uuid(&node
->u
.ctf_expression
.right
,
4055 "Invalid trace's `uuid` attribute.");
4059 ctx
->ctf_tc
->is_uuid_set
= true;
4060 _SET(set
, _TRACE_UUID_SET
);
4061 } else if (!strcmp(left
, "byte_order")) {
4062 /* Default byte order is already known at this stage */
4063 if (_IS_SET(set
, _TRACE_BYTE_ORDER_SET
)) {
4064 _BT_LOGE_DUP_ATTR(node
, "byte_order",
4070 BT_ASSERT(ctx
->ctf_tc
->default_byte_order
!= -1);
4071 _SET(set
, _TRACE_BYTE_ORDER_SET
);
4072 } else if (!strcmp(left
, "packet.header")) {
4073 if (_IS_SET(set
, _TRACE_PACKET_HEADER_SET
)) {
4075 "Duplicate `packet.header` entry in trace.");
4080 ret
= visit_field_class_specifier_list(ctx
,
4081 _BT_LIST_FIRST_ENTRY(
4082 &node
->u
.ctf_expression
.right
,
4083 struct ctf_node
, siblings
),
4084 &ctx
->ctf_tc
->packet_header_fc
);
4087 "Cannot create trace's packet header field class.");
4091 BT_ASSERT(ctx
->ctf_tc
->packet_header_fc
);
4092 _SET(set
, _TRACE_PACKET_HEADER_SET
);
4095 "Unknown attribute in stream class: "
4096 "attr-name=\"%s\"", left
);
4104 _BT_LOGE_NODE(node
, "Unknown expression in trace.");
4117 int visit_trace_decl(struct ctx
*ctx
, struct ctf_node
*node
)
4121 struct ctf_node
*iter
;
4122 struct bt_list_head
*decl_list
= &node
->u
.trace
.declaration_list
;
4124 if (node
->visited
) {
4128 node
->visited
= TRUE
;
4130 if (ctx
->is_trace_visited
) {
4131 _BT_LOGE_NODE(node
, "Duplicate trace (`trace` block).");
4136 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
4138 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
4139 ret
= visit_trace_decl_entry(ctx
, iter
, &set
);
4141 _BT_LOGE_NODE(iter
, "Cannot visit trace's entry (`trace` block): "
4150 if (!_IS_SET(&set
, _TRACE_MAJOR_SET
)) {
4152 "Missing `major` attribute in trace (`trace` block).");
4157 if (!_IS_SET(&set
, _TRACE_MINOR_SET
)) {
4159 "Missing `minor` attribute in trace (`trace` block).");
4164 if (!_IS_SET(&set
, _TRACE_BYTE_ORDER_SET
)) {
4166 "Missing `byte_order` attribute in trace (`trace` block).");
4171 ctx
->is_trace_visited
= true;
4181 int visit_env(struct ctx
*ctx
, struct ctf_node
*node
)
4185 struct ctf_node
*entry_node
;
4186 struct bt_list_head
*decl_list
= &node
->u
.env
.declaration_list
;
4188 if (node
->visited
) {
4192 node
->visited
= TRUE
;
4194 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
4195 struct bt_list_head
*right_head
=
4196 &entry_node
->u
.ctf_expression
.right
;
4198 if (entry_node
->type
!= NODE_CTF_EXPRESSION
) {
4199 _BT_LOGE_NODE(entry_node
,
4200 "Wrong expression in environment entry: "
4201 "node-type=%d", entry_node
->type
);
4206 left
= concatenate_unary_strings(
4207 &entry_node
->u
.ctf_expression
.left
);
4209 _BT_LOGE_NODE(entry_node
,
4210 "Cannot get environment entry's name.");
4215 if (is_unary_string(right_head
)) {
4216 char *right
= concatenate_unary_strings(right_head
);
4219 _BT_LOGE_NODE(entry_node
,
4220 "Unexpected unary expression for environment entry's value: "
4221 "name=\"%s\"", left
);
4226 if (strcmp(left
, "tracer_name") == 0) {
4227 if (strncmp(right
, "lttng", 5) == 0) {
4228 BT_LOGI("Detected LTTng trace from `%s` environment value: "
4229 "tracer-name=\"%s\"",
4231 ctx
->is_lttng
= true;
4235 ctf_trace_class_append_env_entry(ctx
->ctf_tc
,
4236 left
, CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR
,
4239 } else if (is_unary_unsigned(right_head
) ||
4240 is_unary_signed(right_head
)) {
4243 if (is_unary_unsigned(right_head
)) {
4244 ret
= get_unary_unsigned(right_head
,
4247 ret
= get_unary_signed(right_head
, &v
);
4250 _BT_LOGE_NODE(entry_node
,
4251 "Unexpected unary expression for environment entry's value: "
4252 "name=\"%s\"", left
);
4257 ctf_trace_class_append_env_entry(ctx
->ctf_tc
,
4258 left
, CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
,
4261 _BT_LOGW_NODE(entry_node
,
4262 "Environment entry has unknown type: "
4263 "name=\"%s\"", left
);
4279 int set_trace_byte_order(struct ctx
*ctx
, struct ctf_node
*trace_node
)
4284 struct ctf_node
*node
;
4285 struct bt_list_head
*decl_list
= &trace_node
->u
.trace
.declaration_list
;
4287 bt_list_for_each_entry(node
, decl_list
, siblings
) {
4288 if (node
->type
== NODE_CTF_EXPRESSION
) {
4289 struct ctf_node
*right_node
;
4291 left
= concatenate_unary_strings(
4292 &node
->u
.ctf_expression
.left
);
4295 "Cannot concatenate unary strings.");
4300 if (!strcmp(left
, "byte_order")) {
4301 enum ctf_byte_order bo
;
4303 if (_IS_SET(&set
, _TRACE_BYTE_ORDER_SET
)) {
4304 _BT_LOGE_DUP_ATTR(node
, "byte_order",
4310 _SET(&set
, _TRACE_BYTE_ORDER_SET
);
4311 right_node
= _BT_LIST_FIRST_ENTRY(
4312 &node
->u
.ctf_expression
.right
,
4313 struct ctf_node
, siblings
);
4314 bo
= byte_order_from_unary_expr(right_node
);
4317 "Invalid `byte_order` attribute in trace (`trace` block): "
4318 "expecting `le`, `be`, or `network`.");
4321 } else if (bo
== CTF_BYTE_ORDER_DEFAULT
) {
4323 "Invalid `byte_order` attribute in trace (`trace` block): "
4324 "cannot be set to `native` here.");
4329 ctx
->ctf_tc
->default_byte_order
= bo
;
4337 if (!_IS_SET(&set
, _TRACE_BYTE_ORDER_SET
)) {
4338 _BT_LOGE_NODE(trace_node
,
4339 "Missing `byte_order` attribute in trace (`trace` block).");
4352 int visit_clock_decl_entry(struct ctx
*ctx
, struct ctf_node
*entry_node
,
4353 struct ctf_clock_class
*clock
, int *set
, int64_t *offset_seconds
,
4354 uint64_t *offset_cycles
)
4359 if (entry_node
->type
!= NODE_CTF_EXPRESSION
) {
4360 _BT_LOGE_NODE(entry_node
,
4361 "Unexpected node type: node-type=%d",
4367 left
= concatenate_unary_strings(&entry_node
->u
.ctf_expression
.left
);
4369 _BT_LOGE_NODE(entry_node
, "Cannot concatenate unary strings.");
4374 if (!strcmp(left
, "name")) {
4377 if (_IS_SET(set
, _CLOCK_NAME_SET
)) {
4378 _BT_LOGE_DUP_ATTR(entry_node
, "name", "clock class");
4383 right
= concatenate_unary_strings(
4384 &entry_node
->u
.ctf_expression
.right
);
4386 _BT_LOGE_NODE(entry_node
,
4387 "Unexpected unary expression for clock class's `name` attribute.");
4392 g_string_assign(clock
->name
, right
);
4394 _SET(set
, _CLOCK_NAME_SET
);
4395 } else if (!strcmp(left
, "uuid")) {
4396 uint8_t uuid
[BABELTRACE_UUID_LEN
];
4398 if (_IS_SET(set
, _CLOCK_UUID_SET
)) {
4399 _BT_LOGE_DUP_ATTR(entry_node
, "uuid", "clock class");
4404 ret
= get_unary_uuid(&entry_node
->u
.ctf_expression
.right
, uuid
);
4406 _BT_LOGE_NODE(entry_node
,
4407 "Invalid clock class's `uuid` attribute.");
4411 clock
->has_uuid
= true;
4412 memcpy(&clock
->uuid
[0], uuid
, 16);
4413 _SET(set
, _CLOCK_UUID_SET
);
4414 } else if (!strcmp(left
, "description")) {
4417 if (_IS_SET(set
, _CLOCK_DESCRIPTION_SET
)) {
4418 _BT_LOGE_DUP_ATTR(entry_node
, "description",
4424 right
= concatenate_unary_strings(
4425 &entry_node
->u
.ctf_expression
.right
);
4427 _BT_LOGE_NODE(entry_node
,
4428 "Unexpected unary expression for clock class's `description` attribute.");
4433 g_string_assign(clock
->description
, right
);
4435 _SET(set
, _CLOCK_DESCRIPTION_SET
);
4436 } else if (!strcmp(left
, "freq")) {
4437 uint64_t freq
= UINT64_C(-1);
4439 if (_IS_SET(set
, _CLOCK_FREQ_SET
)) {
4440 _BT_LOGE_DUP_ATTR(entry_node
, "freq", "clock class");
4445 ret
= get_unary_unsigned(
4446 &entry_node
->u
.ctf_expression
.right
, &freq
);
4448 _BT_LOGE_NODE(entry_node
,
4449 "Unexpected unary expression for clock class's `freq` attribute.");
4454 if (freq
== UINT64_C(-1) || freq
== 0) {
4455 _BT_LOGE_NODE(entry_node
,
4456 "Invalid clock class frequency: freq=%" PRIu64
,
4462 clock
->frequency
= freq
;
4463 _SET(set
, _CLOCK_FREQ_SET
);
4464 } else if (!strcmp(left
, "precision")) {
4467 if (_IS_SET(set
, _CLOCK_PRECISION_SET
)) {
4468 _BT_LOGE_DUP_ATTR(entry_node
, "precision",
4474 ret
= get_unary_unsigned(
4475 &entry_node
->u
.ctf_expression
.right
, &precision
);
4477 _BT_LOGE_NODE(entry_node
,
4478 "Unexpected unary expression for clock class's `precision` attribute.");
4483 clock
->precision
= precision
;
4484 _SET(set
, _CLOCK_PRECISION_SET
);
4485 } else if (!strcmp(left
, "offset_s")) {
4486 if (_IS_SET(set
, _CLOCK_OFFSET_S_SET
)) {
4487 _BT_LOGE_DUP_ATTR(entry_node
, "offset_s",
4493 ret
= get_unary_signed(
4494 &entry_node
->u
.ctf_expression
.right
, offset_seconds
);
4496 _BT_LOGE_NODE(entry_node
,
4497 "Unexpected unary expression for clock class's `offset_s` attribute.");
4502 _SET(set
, _CLOCK_OFFSET_S_SET
);
4503 } else if (!strcmp(left
, "offset")) {
4504 if (_IS_SET(set
, _CLOCK_OFFSET_SET
)) {
4505 _BT_LOGE_DUP_ATTR(entry_node
, "offset", "clock class");
4510 ret
= get_unary_unsigned(
4511 &entry_node
->u
.ctf_expression
.right
, offset_cycles
);
4513 _BT_LOGE_NODE(entry_node
,
4514 "Unexpected unary expression for clock class's `offset` attribute.");
4519 _SET(set
, _CLOCK_OFFSET_SET
);
4520 } else if (!strcmp(left
, "absolute")) {
4521 struct ctf_node
*right
;
4523 if (_IS_SET(set
, _CLOCK_ABSOLUTE_SET
)) {
4524 _BT_LOGE_DUP_ATTR(entry_node
, "absolute",
4530 right
= _BT_LIST_FIRST_ENTRY(
4531 &entry_node
->u
.ctf_expression
.right
,
4532 struct ctf_node
, siblings
);
4533 ret
= get_boolean(right
);
4535 _BT_LOGE_NODE(entry_node
,
4536 "Unexpected unary expression for clock class's `absolute` attribute.");
4541 clock
->is_absolute
= ret
;
4542 _SET(set
, _CLOCK_ABSOLUTE_SET
);
4544 _BT_LOGW_NODE(entry_node
,
4545 "Unknown attribute in clock class: attr-name=\"%s\"",
4559 uint64_t cycles_from_ns(uint64_t frequency
, uint64_t ns
)
4564 if (frequency
== UINT64_C(1000000000)) {
4567 cycles
= (uint64_t) (((double) ns
* (double) frequency
) / 1e9
);
4574 void calibrate_clock_class_offsets(int64_t *offset_seconds
,
4575 uint64_t *offset_cycles
, uint64_t freq
)
4577 if (*offset_cycles
>= freq
) {
4578 const uint64_t s_in_offset_cycles
= *offset_cycles
/ freq
;
4580 *offset_seconds
+= (int64_t) s_in_offset_cycles
;
4581 *offset_cycles
-= (s_in_offset_cycles
* freq
);
4586 void apply_clock_class_offset(struct ctx
*ctx
,
4587 struct ctf_clock_class
*clock
)
4590 int64_t offset_s_to_apply
= ctx
->decoder_config
.clock_class_offset_s
;
4591 uint64_t offset_ns_to_apply
;
4592 int64_t cur_offset_s
;
4593 uint64_t cur_offset_cycles
;
4595 if (ctx
->decoder_config
.clock_class_offset_s
== 0 &&
4596 ctx
->decoder_config
.clock_class_offset_ns
== 0) {
4600 /* Transfer nanoseconds to seconds as much as possible */
4601 if (ctx
->decoder_config
.clock_class_offset_ns
< 0) {
4602 const int64_t abs_ns
= -ctx
->decoder_config
.clock_class_offset_ns
;
4603 const int64_t abs_extra_s
= abs_ns
/ INT64_C(1000000000) + 1;
4604 const int64_t extra_s
= -abs_extra_s
;
4605 const int64_t offset_ns
= ctx
->decoder_config
.clock_class_offset_ns
-
4606 (extra_s
* INT64_C(1000000000));
4608 BT_ASSERT(offset_ns
> 0);
4609 offset_ns_to_apply
= (uint64_t) offset_ns
;
4610 offset_s_to_apply
+= extra_s
;
4612 const int64_t extra_s
= ctx
->decoder_config
.clock_class_offset_ns
/
4613 INT64_C(1000000000);
4614 const int64_t offset_ns
= ctx
->decoder_config
.clock_class_offset_ns
-
4615 (extra_s
* INT64_C(1000000000));
4617 BT_ASSERT(offset_ns
>= 0);
4618 offset_ns_to_apply
= (uint64_t) offset_ns
;
4619 offset_s_to_apply
+= extra_s
;
4622 freq
= clock
->frequency
;
4623 cur_offset_s
= clock
->offset_seconds
;
4624 cur_offset_cycles
= clock
->offset_cycles
;
4627 cur_offset_s
+= offset_s_to_apply
;
4628 cur_offset_cycles
+= cycles_from_ns(freq
, offset_ns_to_apply
);
4631 * Recalibrate offsets because the part in cycles can be greater
4632 * than the frequency at this point.
4634 calibrate_clock_class_offsets(&cur_offset_s
, &cur_offset_cycles
, freq
);
4636 /* Set final offsets */
4637 clock
->offset_seconds
= cur_offset_s
;
4638 clock
->offset_cycles
= cur_offset_cycles
;
4645 int visit_clock_decl(struct ctx
*ctx
, struct ctf_node
*clock_node
)
4649 struct ctf_clock_class
*clock
;
4650 struct ctf_node
*entry_node
;
4651 struct bt_list_head
*decl_list
= &clock_node
->u
.clock
.declaration_list
;
4652 const char *clock_class_name
;
4653 int64_t offset_seconds
= 0;
4654 uint64_t offset_cycles
= 0;
4657 if (clock_node
->visited
) {
4661 clock_node
->visited
= TRUE
;
4663 /* CTF 1.8's default frequency for a clock class is 1 GHz */
4664 clock
= ctf_clock_class_create();
4666 _BT_LOGE_NODE(clock_node
,
4667 "Cannot create default clock class.");
4672 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
4673 ret
= visit_clock_decl_entry(ctx
, entry_node
, clock
, &set
,
4674 &offset_seconds
, &offset_cycles
);
4676 _BT_LOGE_NODE(entry_node
,
4677 "Cannot visit clock class's entry: ret=%d",
4683 if (!_IS_SET(&set
, _CLOCK_NAME_SET
)) {
4684 _BT_LOGE_NODE(clock_node
,
4685 "Missing `name` attribute in clock class.");
4690 clock_class_name
= clock
->name
->str
;
4691 BT_ASSERT(clock_class_name
);
4692 if (ctx
->is_lttng
&& strcmp(clock_class_name
, "monotonic") == 0) {
4694 * Old versions of LTTng forgot to set its clock class
4695 * as absolute, even if it is. This is important because
4696 * it's a condition to be able to sort messages
4697 * from different sources.
4699 clock
->is_absolute
= true;
4703 * Adjust offsets so that the part in cycles is less than the
4704 * frequency (move to the part in seconds).
4706 freq
= clock
->frequency
;
4707 calibrate_clock_class_offsets(&offset_seconds
, &offset_cycles
, freq
);
4708 BT_ASSERT(offset_cycles
< clock
->frequency
);
4709 clock
->offset_seconds
= offset_seconds
;
4710 clock
->offset_cycles
= offset_cycles
;
4711 apply_clock_class_offset(ctx
, clock
);
4712 g_ptr_array_add(ctx
->ctf_tc
->clock_classes
, clock
);
4717 ctf_clock_class_destroy(clock
);
4724 int visit_root_decl(struct ctx
*ctx
, struct ctf_node
*root_decl_node
)
4728 if (root_decl_node
->visited
) {
4732 root_decl_node
->visited
= TRUE
;
4734 switch (root_decl_node
->type
) {
4736 ret
= visit_field_class_def(ctx
,
4737 root_decl_node
->u
.field_class_def
.field_class_specifier_list
,
4738 &root_decl_node
->u
.field_class_def
.field_class_declarators
);
4740 _BT_LOGE_NODE(root_decl_node
,
4741 "Cannot add field class found in root scope.");
4745 case NODE_TYPEALIAS
:
4746 ret
= visit_field_class_alias(ctx
, root_decl_node
->u
.field_class_alias
.target
,
4747 root_decl_node
->u
.field_class_alias
.alias
);
4749 _BT_LOGE_NODE(root_decl_node
,
4750 "Cannot add field class alias found in root scope.");
4754 case NODE_TYPE_SPECIFIER_LIST
:
4756 struct ctf_field_class
*decl
= NULL
;
4759 * Just add the field class specifier to the root
4760 * declaration scope. Put local reference.
4762 ret
= visit_field_class_specifier_list(ctx
, root_decl_node
, &decl
);
4764 _BT_LOGE_NODE(root_decl_node
,
4765 "Cannot visit root scope's field class: "
4771 ctf_field_class_destroy(decl
);
4776 _BT_LOGE_NODE(root_decl_node
,
4777 "Unexpected node type: node-type=%d",
4778 root_decl_node
->type
);
4788 struct ctf_visitor_generate_ir
*ctf_visitor_generate_ir_create(
4789 bt_self_component_source
*self_comp
,
4790 const struct ctf_metadata_decoder_config
*decoder_config
)
4792 struct ctx
*ctx
= NULL
;
4794 /* Create visitor's context */
4795 ctx
= ctx_create(self_comp
, decoder_config
);
4797 BT_LOGE_STR("Cannot create visitor's context.");
4808 return (void *) ctx
;
4812 void ctf_visitor_generate_ir_destroy(struct ctf_visitor_generate_ir
*visitor
)
4814 ctx_destroy((void *) visitor
);
4818 bt_trace_class
*ctf_visitor_generate_ir_get_ir_trace_class(
4819 struct ctf_visitor_generate_ir
*visitor
)
4821 struct ctx
*ctx
= (void *) visitor
;
4825 if (ctx
->trace_class
) {
4826 bt_trace_class_get_ref(ctx
->trace_class
);
4829 return ctx
->trace_class
;
4833 struct ctf_trace_class
*ctf_visitor_generate_ir_borrow_ctf_trace_class(
4834 struct ctf_visitor_generate_ir
*visitor
)
4836 struct ctx
*ctx
= (void *) visitor
;
4839 BT_ASSERT(ctx
->ctf_tc
);
4844 int ctf_visitor_generate_ir_visit_node(struct ctf_visitor_generate_ir
*visitor
,
4845 struct ctf_node
*node
)
4848 struct ctx
*ctx
= (void *) visitor
;
4850 BT_LOGI_STR("Visiting metadata's AST to generate CTF IR objects.");
4852 switch (node
->type
) {
4855 struct ctf_node
*iter
;
4856 bool got_trace_decl
= false;
4859 * The first thing we need is the native byte order of
4860 * the trace block, because early class aliases can have
4861 * a `byte_order` attribute set to `native`. If we don't
4862 * have the native byte order yet, and we don't have any
4863 * trace block yet, then fail with EINCOMPLETE.
4865 if (ctx
->ctf_tc
->default_byte_order
== -1) {
4866 bt_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
4867 if (got_trace_decl
) {
4869 "Duplicate trace (`trace` block).");
4874 ret
= set_trace_byte_order(ctx
, iter
);
4877 "Cannot set trace's native byte order: "
4882 got_trace_decl
= true;
4885 if (!got_trace_decl
) {
4886 BT_LOGD_STR("Incomplete AST: need trace (`trace` block).");
4892 BT_ASSERT(ctx
->ctf_tc
->default_byte_order
== CTF_BYTE_ORDER_LITTLE
||
4893 ctx
->ctf_tc
->default_byte_order
== CTF_BYTE_ORDER_BIG
);
4894 BT_ASSERT(ctx
->current_scope
&&
4895 ctx
->current_scope
->parent_scope
== NULL
);
4898 bt_list_for_each_entry(iter
, &node
->u
.root
.env
, siblings
) {
4899 ret
= visit_env(ctx
, iter
);
4902 "Cannot visit trace's environment (`env` block) entry: "
4908 BT_ASSERT(ctx
->current_scope
&&
4909 ctx
->current_scope
->parent_scope
== NULL
);
4912 * Visit clock blocks.
4914 bt_list_for_each_entry(iter
, &node
->u
.root
.clock
, siblings
) {
4915 ret
= visit_clock_decl(ctx
, iter
);
4918 "Cannot visit clock class: ret=%d",
4924 BT_ASSERT(ctx
->current_scope
&&
4925 ctx
->current_scope
->parent_scope
== NULL
);
4928 * Visit root declarations next, as they can be used by any
4931 bt_list_for_each_entry(iter
, &node
->u
.root
.declaration_list
,
4933 ret
= visit_root_decl(ctx
, iter
);
4936 "Cannot visit root entry: ret=%d",
4942 BT_ASSERT(ctx
->current_scope
&&
4943 ctx
->current_scope
->parent_scope
== NULL
);
4945 /* Callsite blocks are not supported */
4946 bt_list_for_each_entry(iter
, &node
->u
.root
.callsite
, siblings
) {
4948 "\"callsite\" blocks are not supported as of this version.");
4951 BT_ASSERT(ctx
->current_scope
&&
4952 ctx
->current_scope
->parent_scope
== NULL
);
4955 bt_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
4956 ret
= visit_trace_decl(ctx
, iter
);
4959 "Cannot visit trace (`trace` block): "
4965 BT_ASSERT(ctx
->current_scope
&&
4966 ctx
->current_scope
->parent_scope
== NULL
);
4969 bt_list_for_each_entry(iter
, &node
->u
.root
.stream
, siblings
) {
4970 ret
= visit_stream_decl(ctx
, iter
);
4973 "Cannot visit stream class: ret=%d",
4979 BT_ASSERT(ctx
->current_scope
&&
4980 ctx
->current_scope
->parent_scope
== NULL
);
4983 bt_list_for_each_entry(iter
, &node
->u
.root
.event
, siblings
) {
4984 ret
= visit_event_decl(ctx
, iter
);
4987 "Cannot visit event class: ret=%d",
4993 BT_ASSERT(ctx
->current_scope
&&
4994 ctx
->current_scope
->parent_scope
== NULL
);
4999 "Unexpected node type: node-type=%d",
5005 /* Update default clock classes */
5006 ret
= ctf_trace_class_update_default_clock_classes(ctx
->ctf_tc
);
5012 /* Update trace class meanings */
5013 ret
= ctf_trace_class_update_meanings(ctx
->ctf_tc
);
5019 /* Update text arrays and sequences */
5020 ret
= ctf_trace_class_update_text_array_sequence(ctx
->ctf_tc
);
5026 /* Resolve sequence lengths and variant tags */
5027 ret
= ctf_trace_class_resolve_field_classes(ctx
->ctf_tc
);
5033 if (ctx
->trace_class
) {
5035 * Update "in IR" for field classes.
5037 * If we have no IR trace class, then we'll have no way
5038 * to create IR fields anyway, so we leave all the
5039 * `in_ir` members false.
5041 ret
= ctf_trace_class_update_in_ir(ctx
->ctf_tc
);
5048 /* Update saved value indexes */
5049 ret
= ctf_trace_class_update_value_storing_indexes(ctx
->ctf_tc
);
5055 /* Validate what we have so far */
5056 ret
= ctf_trace_class_validate(ctx
->ctf_tc
);
5063 * If there are fields which are not related to the CTF format
5064 * itself in the packet header and in event header field
5065 * classes, warn about it because they are never translated.
5067 ctf_trace_class_warn_meaningless_header_fields(ctx
->ctf_tc
);
5069 if (ctx
->trace_class
) {
5070 /* Copy new CTF metadata -> new IR metadata */
5071 ret
= ctf_trace_class_translate(ctx
->trace_class
, ctx
->ctf_tc
);