2 * SPDX-License-Identifier: MIT
4 * Copyright 2010 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
5 * Copyright 2015-2018 Philippe Proulx <philippe.proulx@efficios.com>
7 * Common Trace Format metadata visitor (generates CTF IR objects).
10 #define BT_COMP_LOG_SELF_COMP (ctx->log_cfg.self_comp)
11 #define BT_COMP_LOG_SELF_COMP_CLASS (ctx->log_cfg.self_comp_class)
12 #define BT_LOG_OUTPUT_LEVEL (ctx->log_cfg.log_level)
13 #define BT_LOG_TAG "PLUGIN/CTF/META/IR-VISITOR"
14 #include "logging/comp-logging.h"
22 #include "common/assert.h"
26 #include "common/common.h"
27 #include "common/uuid.h"
28 #include "compat/endian.h"
29 #include <babeltrace2/babeltrace.h>
36 #include "ctf-meta-visitors.h"
38 /* Bit value (left shift) */
39 #define _BV(_val) (1 << (_val))
41 /* Bit is set in a set of bits */
42 #define _IS_SET(_set, _mask) (*(_set) & (_mask))
44 /* Set bit in a set of bits */
45 #define _SET(_set, _mask) (*(_set) |= (_mask))
47 /* Try to push scope, or go to the `error` label */
48 #define _TRY_PUSH_SCOPE_OR_GOTO_ERROR() \
50 ret = ctx_push_scope(ctx); \
52 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot push scope."); \
57 /* Bits for verifying existing attributes in various declarations */
59 _CLOCK_NAME_SET
= _BV(0),
60 _CLOCK_UUID_SET
= _BV(1),
61 _CLOCK_FREQ_SET
= _BV(2),
62 _CLOCK_PRECISION_SET
= _BV(3),
63 _CLOCK_OFFSET_S_SET
= _BV(4),
64 _CLOCK_OFFSET_SET
= _BV(5),
65 _CLOCK_ABSOLUTE_SET
= _BV(6),
66 _CLOCK_DESCRIPTION_SET
= _BV(7),
70 _INTEGER_ALIGN_SET
= _BV(0),
71 _INTEGER_SIZE_SET
= _BV(1),
72 _INTEGER_BASE_SET
= _BV(2),
73 _INTEGER_ENCODING_SET
= _BV(3),
74 _INTEGER_BYTE_ORDER_SET
= _BV(4),
75 _INTEGER_SIGNED_SET
= _BV(5),
76 _INTEGER_MAP_SET
= _BV(6),
80 _FLOAT_ALIGN_SET
= _BV(0),
81 _FLOAT_MANT_DIG_SET
= _BV(1),
82 _FLOAT_EXP_DIG_SET
= _BV(2),
83 _FLOAT_BYTE_ORDER_SET
= _BV(3),
87 _STRING_ENCODING_SET
= _BV(0),
91 _TRACE_MINOR_SET
= _BV(0),
92 _TRACE_MAJOR_SET
= _BV(1),
93 _TRACE_BYTE_ORDER_SET
= _BV(2),
94 _TRACE_UUID_SET
= _BV(3),
95 _TRACE_PACKET_HEADER_SET
= _BV(4),
99 _STREAM_ID_SET
= _BV(0),
100 _STREAM_PACKET_CONTEXT_SET
= _BV(1),
101 _STREAM_EVENT_HEADER_SET
= _BV(2),
102 _STREAM_EVENT_CONTEXT_SET
= _BV(3),
106 _EVENT_NAME_SET
= _BV(0),
107 _EVENT_ID_SET
= _BV(1),
108 _EVENT_MODEL_EMF_URI_SET
= _BV(2),
109 _EVENT_STREAM_ID_SET
= _BV(3),
110 _EVENT_LOG_LEVEL_SET
= _BV(4),
111 _EVENT_CONTEXT_SET
= _BV(5),
112 _EVENT_FIELDS_SET
= _BV(6),
120 LOG_LEVEL_WARNING
= 4,
121 LOG_LEVEL_NOTICE
= 5,
123 LOG_LEVEL_DEBUG_SYSTEM
= 7,
124 LOG_LEVEL_DEBUG_PROGRAM
= 8,
125 LOG_LEVEL_DEBUG_PROCESS
= 9,
126 LOG_LEVEL_DEBUG_MODULE
= 10,
127 LOG_LEVEL_DEBUG_UNIT
= 11,
128 LOG_LEVEL_DEBUG_FUNCTION
= 12,
129 LOG_LEVEL_DEBUG_LINE
= 13,
130 LOG_LEVEL_DEBUG
= 14,
134 /* Prefixes of class aliases */
135 #define _PREFIX_ALIAS 'a'
136 #define _PREFIX_ENUM 'e'
137 #define _PREFIX_STRUCT 's'
138 #define _PREFIX_VARIANT 'v'
140 /* First entry in a BT list */
141 #define _BT_LIST_FIRST_ENTRY(_ptr, _class, _member) \
142 bt_list_entry((_ptr)->next, _class, _member)
144 #define _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(_node, _attr, _entity) \
145 _BT_COMP_LOGE_APPEND_CAUSE_LINENO((_node)->lineno, \
146 "Duplicate attribute in %s: attr-name=\"%s\"", \
149 #define _BT_COMP_LOGE_NODE(_node, _msg, args...) \
150 _BT_COMP_LOGE_LINENO((_node)->lineno, _msg, ## args)
152 #define _BT_COMP_LOGE_APPEND_CAUSE_NODE(_node, _msg, args...) \
153 _BT_COMP_LOGE_APPEND_CAUSE_LINENO((_node)->lineno, _msg, ## args)
155 #define _BT_COMP_LOGW_NODE(_node, _msg, args...) \
156 _BT_COMP_LOGW_LINENO((_node)->lineno, _msg, ## args)
158 #define _BT_COMP_LOGT_NODE(_node, _msg, args...) \
159 _BT_COMP_LOGT_LINENO((_node)->lineno, _msg, ## args)
162 * Declaration scope of a visitor context. This represents a TSDL
163 * lexical scope, so that aliases and named structures, variants,
164 * and enumerations may be registered and looked up hierarchically.
166 struct ctx_decl_scope
{
168 * Alias name to field class.
170 * GQuark -> struct ctf_field_class * (owned by this)
172 GHashTable
*decl_map
;
174 /* Parent scope; NULL if this is the root declaration scope */
175 struct ctx_decl_scope
*parent_scope
;
179 * Visitor context (private).
181 struct ctf_visitor_generate_ir
{
182 struct meta_log_config log_cfg
;
184 /* Trace IR trace class being filled (owned by this) */
185 bt_trace_class
*trace_class
;
187 /* CTF meta trace being filled (owned by this) */
188 struct ctf_trace_class
*ctf_tc
;
190 /* Current declaration scope (top of the stack) (owned by this) */
191 struct ctx_decl_scope
*current_scope
;
193 /* True if trace declaration is visited */
194 bool is_trace_visited
;
196 /* True if this is an LTTng trace */
199 /* Config passed by the user */
200 struct ctf_metadata_decoder_config decoder_config
;
206 struct ctf_visitor_generate_ir
;
209 * Creates a new declaration scope.
211 * @param par_scope Parent scope (NULL if creating a root scope)
212 * @returns New declaration scope, or NULL on error
215 struct ctx_decl_scope
*ctx_decl_scope_create(struct ctf_visitor_generate_ir
*ctx
,
216 struct ctx_decl_scope
*par_scope
)
218 struct ctx_decl_scope
*scope
;
220 scope
= g_new(struct ctx_decl_scope
, 1);
222 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Failed to allocate one declaration scope.");
226 scope
->decl_map
= g_hash_table_new_full(g_direct_hash
, g_direct_equal
,
227 NULL
, (GDestroyNotify
) ctf_field_class_destroy
);
228 scope
->parent_scope
= par_scope
;
235 * Destroys a declaration scope.
237 * This function does not destroy the parent scope.
239 * @param scope Scope to destroy
242 void ctx_decl_scope_destroy(struct ctx_decl_scope
*scope
)
248 g_hash_table_destroy(scope
->decl_map
);
256 * Returns the GQuark of a prefixed alias.
258 * @param prefix Prefix character
260 * @returns Associated GQuark, or 0 on error
263 GQuark
get_prefixed_named_quark(struct ctf_visitor_generate_ir
*ctx
, char prefix
,
270 /* Prefix character + original string + '\0' */
271 char *prname
= g_new(char, strlen(name
) + 2);
273 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Failed to allocate a string.");
277 sprintf(prname
, "%c%s", prefix
, name
);
278 qname
= g_quark_from_string(prname
);
286 * Looks up a prefixed class alias within a declaration scope.
288 * @param scope Declaration scope
289 * @param prefix Prefix character
290 * @param name Alias name
291 * @param levels Number of levels to dig into (-1 means infinite)
292 * @param copy True to return a copy
293 * @returns Declaration (owned by caller if \p copy is true),
294 * or NULL if not found
297 struct ctf_field_class
*ctx_decl_scope_lookup_prefix_alias(
298 struct ctf_visitor_generate_ir
*ctx
, struct ctx_decl_scope
*scope
, char prefix
,
299 const char *name
, int levels
, bool copy
)
303 struct ctf_field_class
*decl
= NULL
;
304 struct ctx_decl_scope
*cur_scope
= scope
;
308 qname
= get_prefixed_named_quark(ctx
, prefix
, name
);
317 while (cur_scope
&& cur_levels
< levels
) {
318 decl
= g_hash_table_lookup(cur_scope
->decl_map
,
319 (gconstpointer
) GUINT_TO_POINTER(qname
));
321 /* Caller's reference */
323 decl
= ctf_field_class_copy(decl
);
330 cur_scope
= cur_scope
->parent_scope
;
339 * Looks up a class alias within a declaration scope.
341 * @param scope Declaration scope
342 * @param name Alias name
343 * @param levels Number of levels to dig into (-1 means infinite)
344 * @param copy True to return a copy
345 * @returns Declaration (owned by caller if \p copy is true),
346 * or NULL if not found
349 struct ctf_field_class
*ctx_decl_scope_lookup_alias(struct ctf_visitor_generate_ir
*ctx
,
350 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
353 return ctx_decl_scope_lookup_prefix_alias(ctx
, scope
, _PREFIX_ALIAS
,
358 * Looks up an enumeration within a declaration scope.
360 * @param scope Declaration scope
361 * @param name Enumeration name
362 * @param levels Number of levels to dig into (-1 means infinite)
363 * @param copy True to return a copy
364 * @returns Declaration (owned by caller if \p copy is true),
365 * or NULL if not found
368 struct ctf_field_class_enum
*ctx_decl_scope_lookup_enum(struct ctf_visitor_generate_ir
*ctx
,
369 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
372 return (void *) ctx_decl_scope_lookup_prefix_alias(ctx
, scope
,
373 _PREFIX_ENUM
, name
, levels
, copy
);
377 * Looks up a structure within a declaration scope.
379 * @param scope Declaration scope
380 * @param name Structure name
381 * @param levels Number of levels to dig into (-1 means infinite)
382 * @param copy True to return a copy
383 * @returns Declaration (owned by caller if \p copy is true),
384 * or NULL if not found
387 struct ctf_field_class_struct
*ctx_decl_scope_lookup_struct(struct ctf_visitor_generate_ir
*ctx
,
388 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
391 return (void *) ctx_decl_scope_lookup_prefix_alias(ctx
, scope
,
392 _PREFIX_STRUCT
, name
, levels
, copy
);
396 * Looks up a variant within a declaration scope.
398 * @param scope Declaration scope
399 * @param name Variant name
400 * @param levels Number of levels to dig into (-1 means infinite)
401 * @param copy True to return a copy
402 * @returns Declaration (owned by caller if \p copy is true),
403 * or NULL if not found
406 struct ctf_field_class_variant
*ctx_decl_scope_lookup_variant(struct ctf_visitor_generate_ir
*ctx
,
407 struct ctx_decl_scope
*scope
, const char *name
, int levels
,
410 return (void *) ctx_decl_scope_lookup_prefix_alias(ctx
, scope
,
411 _PREFIX_VARIANT
, name
, levels
, copy
);
415 * Registers a prefixed class alias within a declaration scope.
417 * @param scope Declaration scope
418 * @param prefix Prefix character
419 * @param name Alias name (non-NULL)
420 * @param decl Field class to register (copied)
421 * @returns 0 if registration went okay, negative value otherwise
424 int ctx_decl_scope_register_prefix_alias(struct ctf_visitor_generate_ir
*ctx
,
425 struct ctx_decl_scope
*scope
, char prefix
, const char *name
,
426 struct ctf_field_class
*decl
)
434 qname
= get_prefixed_named_quark(ctx
, prefix
, name
);
440 /* Make sure alias does not exist in local scope */
441 if (ctx_decl_scope_lookup_prefix_alias(ctx
, scope
, prefix
, name
, 1,
447 decl
= ctf_field_class_copy(decl
);
449 g_hash_table_insert(scope
->decl_map
, GUINT_TO_POINTER(qname
), decl
);
456 * Registers a class alias within a declaration scope.
458 * @param scope Declaration scope
459 * @param name Alias name (non-NULL)
460 * @param decl Field class to register (copied)
461 * @returns 0 if registration went okay, negative value otherwise
464 int ctx_decl_scope_register_alias(struct ctf_visitor_generate_ir
*ctx
,
465 struct ctx_decl_scope
*scope
, const char *name
, struct ctf_field_class
*decl
)
467 return ctx_decl_scope_register_prefix_alias(ctx
, scope
, _PREFIX_ALIAS
,
468 name
, (void *) decl
);
472 * Registers an enumeration declaration within a declaration scope.
474 * @param scope Declaration scope
475 * @param name Enumeration name (non-NULL)
476 * @param decl Enumeration field class to register (copied)
477 * @returns 0 if registration went okay, negative value otherwise
480 int ctx_decl_scope_register_enum(struct ctf_visitor_generate_ir
*ctx
,
481 struct ctx_decl_scope
*scope
, const char *name
,
482 struct ctf_field_class_enum
*decl
)
484 return ctx_decl_scope_register_prefix_alias(ctx
, scope
, _PREFIX_ENUM
,
485 name
, (void *) decl
);
489 * Registers a structure declaration within a declaration scope.
491 * @param scope Declaration scope
492 * @param name Structure name (non-NULL)
493 * @param decl Structure field class to register (copied)
494 * @returns 0 if registration went okay, negative value otherwise
497 int ctx_decl_scope_register_struct(struct ctf_visitor_generate_ir
*ctx
,
498 struct ctx_decl_scope
*scope
, const char *name
,
499 struct ctf_field_class_struct
*decl
)
501 return ctx_decl_scope_register_prefix_alias(ctx
, scope
, _PREFIX_STRUCT
,
502 name
, (void *) decl
);
506 * Registers a variant declaration within a declaration scope.
508 * @param scope Declaration scope
509 * @param name Variant name (non-NULL)
510 * @param decl Variant field class to register
511 * @returns 0 if registration went okay, negative value otherwise
514 int ctx_decl_scope_register_variant(struct ctf_visitor_generate_ir
*ctx
,
515 struct ctx_decl_scope
*scope
, const char *name
,
516 struct ctf_field_class_variant
*decl
)
518 return ctx_decl_scope_register_prefix_alias(ctx
, scope
, _PREFIX_VARIANT
,
519 name
, (void *) decl
);
523 * Destroys a visitor context.
525 * @param ctx Visitor context to destroy
528 void ctx_destroy(struct ctf_visitor_generate_ir
*ctx
)
530 struct ctx_decl_scope
*scope
;
536 scope
= ctx
->current_scope
;
539 * Destroy all scopes, from current one to the root scope.
542 struct ctx_decl_scope
*parent_scope
= scope
->parent_scope
;
544 ctx_decl_scope_destroy(scope
);
545 scope
= parent_scope
;
548 bt_trace_class_put_ref(ctx
->trace_class
);
551 ctf_trace_class_destroy(ctx
->ctf_tc
);
561 * Creates a new visitor context.
563 * @param trace Associated trace
564 * @returns New visitor context, or NULL on error
567 struct ctf_visitor_generate_ir
*ctx_create(
568 const struct ctf_metadata_decoder_config
*decoder_config
)
570 struct ctf_visitor_generate_ir
*ctx
= NULL
;
572 BT_ASSERT(decoder_config
);
574 ctx
= g_new0(struct ctf_visitor_generate_ir
, 1);
576 BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR
, decoder_config
->log_level
,
577 decoder_config
->self_comp
,
578 "Failed to allocate one visitor context.");
582 ctx
->log_cfg
.log_level
= decoder_config
->log_level
;
583 ctx
->log_cfg
.self_comp
= decoder_config
->self_comp
;
584 ctx
->log_cfg
.self_comp_class
= decoder_config
->self_comp_class
;
586 if (decoder_config
->self_comp
) {
587 ctx
->trace_class
= bt_trace_class_create(
588 decoder_config
->self_comp
);
589 if (!ctx
->trace_class
) {
590 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot create empty trace class.");
595 ctx
->ctf_tc
= ctf_trace_class_create();
597 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot create CTF trace class.");
601 /* Root declaration scope */
602 ctx
->current_scope
= ctx_decl_scope_create(ctx
, NULL
);
603 if (!ctx
->current_scope
) {
604 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("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 ctf_visitor_generate_ir
*ctx
)
630 struct ctx_decl_scope
*new_scope
;
633 new_scope
= ctx_decl_scope_create(ctx
, ctx
->current_scope
);
635 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot create declaration scope.");
640 ctx
->current_scope
= new_scope
;
647 void ctx_pop_scope(struct ctf_visitor_generate_ir
*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 ctf_visitor_generate_ir
*ctx
,
667 struct ctf_node
*ts_list
, struct ctf_field_class
**decl
);
670 int is_unary_string(struct bt_list_head
*head
)
673 struct ctf_node
*node
;
675 bt_list_for_each_entry(node
, head
, siblings
) {
676 if (node
->type
!= NODE_UNARY_EXPRESSION
) {
680 if (node
->u
.unary_expression
.type
!= UNARY_STRING
) {
689 const char *get_map_clock_name_value(struct bt_list_head
*head
)
692 struct ctf_node
*node
;
693 const char *name
= NULL
;
695 bt_list_for_each_entry(node
, head
, siblings
) {
697 int uexpr_type
= node
->u
.unary_expression
.type
;
698 int uexpr_link
= node
->u
.unary_expression
.link
;
699 int cond
= node
->type
!= NODE_UNARY_EXPRESSION
||
700 uexpr_type
!= UNARY_STRING
||
701 !((uexpr_link
!= UNARY_LINK_UNKNOWN
) ^ (i
== 0));
706 /* Needs to be chained with . */
707 switch (node
->u
.unary_expression
.link
) {
710 case UNARY_ARROWLINK
:
711 case UNARY_DOTDOTDOT
:
717 src_string
= node
->u
.unary_expression
.u
.string
;
721 if (strcmp("clock", src_string
)) {
729 if (strcmp("value", src_string
)) {
734 /* Extra identifier, unknown */
748 int is_unary_unsigned(struct bt_list_head
*head
)
751 struct ctf_node
*node
;
753 bt_list_for_each_entry(node
, head
, siblings
) {
754 if (node
->type
!= NODE_UNARY_EXPRESSION
) {
758 if (node
->u
.unary_expression
.type
!= UNARY_UNSIGNED_CONSTANT
) {
767 int get_unary_unsigned(struct ctf_visitor_generate_ir
*ctx
, struct bt_list_head
*head
,
772 struct ctf_node
*node
;
776 if (bt_list_empty(head
)) {
781 bt_list_for_each_entry(node
, head
, siblings
) {
782 int uexpr_type
= node
->u
.unary_expression
.type
;
783 int uexpr_link
= node
->u
.unary_expression
.link
;
784 int cond
= node
->type
!= NODE_UNARY_EXPRESSION
||
785 uexpr_type
!= UNARY_UNSIGNED_CONSTANT
||
786 uexpr_link
!= UNARY_LINK_UNKNOWN
|| i
!= 0;
788 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Invalid constant unsigned integer.");
793 *value
= node
->u
.unary_expression
.u
.unsigned_constant
;
802 int is_unary_signed(struct bt_list_head
*head
)
805 struct ctf_node
*node
;
807 bt_list_for_each_entry(node
, head
, siblings
) {
808 if (node
->type
!= NODE_UNARY_EXPRESSION
) {
812 if (node
->u
.unary_expression
.type
!= UNARY_SIGNED_CONSTANT
) {
821 int get_unary_signed(struct bt_list_head
*head
, int64_t *value
)
825 struct ctf_node
*node
;
827 bt_list_for_each_entry(node
, head
, siblings
) {
828 int uexpr_type
= node
->u
.unary_expression
.type
;
829 int uexpr_link
= node
->u
.unary_expression
.link
;
830 int cond
= node
->type
!= NODE_UNARY_EXPRESSION
||
831 (uexpr_type
!= UNARY_UNSIGNED_CONSTANT
&&
832 uexpr_type
!= UNARY_SIGNED_CONSTANT
) ||
833 uexpr_link
!= UNARY_LINK_UNKNOWN
|| i
!= 0;
839 switch (uexpr_type
) {
840 case UNARY_UNSIGNED_CONSTANT
:
842 node
->u
.unary_expression
.u
.unsigned_constant
;
844 case UNARY_SIGNED_CONSTANT
:
845 *value
= node
->u
.unary_expression
.u
.signed_constant
;
860 int get_unary_uuid(struct ctf_visitor_generate_ir
*ctx
, struct bt_list_head
*head
,
863 return ctf_ast_get_unary_uuid(head
, uuid
, ctx
->log_cfg
.log_level
,
864 ctx
->log_cfg
.self_comp
);
868 int get_boolean(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*unary_expr
)
872 if (unary_expr
->type
!= NODE_UNARY_EXPRESSION
) {
873 _BT_COMP_LOGE_APPEND_CAUSE_NODE(unary_expr
,
874 "Expecting unary expression: node-type=%d",
880 switch (unary_expr
->u
.unary_expression
.type
) {
881 case UNARY_UNSIGNED_CONSTANT
:
882 ret
= (unary_expr
->u
.unary_expression
.u
.unsigned_constant
!= 0);
884 case UNARY_SIGNED_CONSTANT
:
885 ret
= (unary_expr
->u
.unary_expression
.u
.signed_constant
!= 0);
889 const char *str
= unary_expr
->u
.unary_expression
.u
.string
;
891 if (strcmp(str
, "true") == 0 || strcmp(str
, "TRUE") == 0) {
893 } else if (strcmp(str
, "false") == 0 || strcmp(str
, "FALSE") == 0) {
896 _BT_COMP_LOGE_APPEND_CAUSE_NODE(unary_expr
,
897 "Unexpected boolean value: value=\"%s\"", str
);
904 _BT_COMP_LOGE_APPEND_CAUSE_NODE(unary_expr
,
905 "Unexpected unary expression type: node-type=%d",
906 unary_expr
->u
.unary_expression
.type
);
916 enum ctf_byte_order
byte_order_from_unary_expr(struct ctf_visitor_generate_ir
*ctx
,
917 struct ctf_node
*unary_expr
)
920 enum ctf_byte_order bo
= CTF_BYTE_ORDER_UNKNOWN
;
922 if (unary_expr
->u
.unary_expression
.type
!= UNARY_STRING
) {
923 _BT_COMP_LOGE_APPEND_CAUSE_NODE(unary_expr
,
924 "\"byte_order\" attribute: expecting `be`, `le`, `network`, or `native`.");
928 str
= unary_expr
->u
.unary_expression
.u
.string
;
930 if (strcmp(str
, "be") == 0 || strcmp(str
, "network") == 0) {
931 bo
= CTF_BYTE_ORDER_BIG
;
932 } else if (strcmp(str
, "le") == 0) {
933 bo
= CTF_BYTE_ORDER_LITTLE
;
934 } else if (strcmp(str
, "native") == 0) {
935 bo
= CTF_BYTE_ORDER_DEFAULT
;
937 _BT_COMP_LOGE_APPEND_CAUSE_NODE(unary_expr
,
938 "Unexpected \"byte_order\" attribute value: "
939 "expecting `be`, `le`, `network`, or `native`: value=\"%s\"",
949 enum ctf_byte_order
get_real_byte_order(struct ctf_visitor_generate_ir
*ctx
,
950 struct ctf_node
*uexpr
)
952 enum ctf_byte_order bo
= byte_order_from_unary_expr(ctx
, uexpr
);
954 if (bo
== CTF_BYTE_ORDER_DEFAULT
) {
955 bo
= ctx
->ctf_tc
->default_byte_order
;
962 int is_align_valid(uint64_t align
)
964 return (align
!= 0) && !(align
& (align
- UINT64_C(1)));
968 int get_class_specifier_name(struct ctf_visitor_generate_ir
*ctx
,
969 struct ctf_node
*cls_specifier
, GString
*str
)
973 if (cls_specifier
->type
!= NODE_TYPE_SPECIFIER
) {
974 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier
,
975 "Unexpected node type: node-type=%d",
976 cls_specifier
->type
);
981 switch (cls_specifier
->u
.field_class_specifier
.type
) {
983 g_string_append(str
, "void");
986 g_string_append(str
, "char");
989 g_string_append(str
, "short");
992 g_string_append(str
, "int");
995 g_string_append(str
, "long");
998 g_string_append(str
, "float");
1000 case TYPESPEC_DOUBLE
:
1001 g_string_append(str
, "double");
1003 case TYPESPEC_SIGNED
:
1004 g_string_append(str
, "signed");
1006 case TYPESPEC_UNSIGNED
:
1007 g_string_append(str
, "unsigned");
1010 g_string_append(str
, "bool");
1012 case TYPESPEC_COMPLEX
:
1013 g_string_append(str
, "_Complex");
1015 case TYPESPEC_IMAGINARY
:
1016 g_string_append(str
, "_Imaginary");
1018 case TYPESPEC_CONST
:
1019 g_string_append(str
, "const");
1021 case TYPESPEC_ID_TYPE
:
1022 if (cls_specifier
->u
.field_class_specifier
.id_type
) {
1023 g_string_append(str
,
1024 cls_specifier
->u
.field_class_specifier
.id_type
);
1027 case TYPESPEC_STRUCT
:
1029 struct ctf_node
*node
= cls_specifier
->u
.field_class_specifier
.node
;
1031 if (!node
->u
._struct
.name
) {
1032 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Unexpected empty structure field class name.");
1037 g_string_append(str
, "struct ");
1038 g_string_append(str
, node
->u
._struct
.name
);
1041 case TYPESPEC_VARIANT
:
1043 struct ctf_node
*node
= cls_specifier
->u
.field_class_specifier
.node
;
1045 if (!node
->u
.variant
.name
) {
1046 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Unexpected empty variant field class name.");
1051 g_string_append(str
, "variant ");
1052 g_string_append(str
, node
->u
.variant
.name
);
1057 struct ctf_node
*node
= cls_specifier
->u
.field_class_specifier
.node
;
1059 if (!node
->u
._enum
.enum_id
) {
1060 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
1061 "Unexpected empty enumeration field class (`enum`) name.");
1066 g_string_append(str
, "enum ");
1067 g_string_append(str
, node
->u
._enum
.enum_id
);
1070 case TYPESPEC_FLOATING_POINT
:
1071 case TYPESPEC_INTEGER
:
1072 case TYPESPEC_STRING
:
1074 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier
->u
.field_class_specifier
.node
,
1075 "Unexpected field class specifier type: %d",
1076 cls_specifier
->u
.field_class_specifier
.type
);
1086 int get_class_specifier_list_name(struct ctf_visitor_generate_ir
*ctx
,
1087 struct ctf_node
*cls_specifier_list
, GString
*str
)
1090 struct ctf_node
*iter
;
1091 int alias_item_nr
= 0;
1092 struct bt_list_head
*head
=
1093 &cls_specifier_list
->u
.field_class_specifier_list
.head
;
1095 bt_list_for_each_entry(iter
, head
, siblings
) {
1096 if (alias_item_nr
!= 0) {
1097 g_string_append(str
, " ");
1101 ret
= get_class_specifier_name(ctx
, iter
, str
);
1112 GQuark
create_class_alias_identifier(struct ctf_visitor_generate_ir
*ctx
,
1113 struct ctf_node
*cls_specifier_list
,
1114 struct ctf_node
*node_field_class_declarator
)
1120 struct ctf_node
*iter
;
1121 struct bt_list_head
*pointers
=
1122 &node_field_class_declarator
->u
.field_class_declarator
.pointers
;
1124 str
= g_string_new("");
1125 ret
= get_class_specifier_list_name(ctx
, cls_specifier_list
, str
);
1127 g_string_free(str
, TRUE
);
1131 bt_list_for_each_entry(iter
, pointers
, siblings
) {
1132 g_string_append(str
, " *");
1134 if (iter
->u
.pointer
.const_qualifier
) {
1135 g_string_append(str
, " const");
1139 str_c
= g_string_free(str
, FALSE
);
1140 qalias
= g_quark_from_string(str_c
);
1148 int visit_field_class_declarator(struct ctf_visitor_generate_ir
*ctx
,
1149 struct ctf_node
*cls_specifier_list
,
1150 GQuark
*field_name
, struct ctf_node
*node_field_class_declarator
,
1151 struct ctf_field_class
**field_decl
,
1152 struct ctf_field_class
*nested_decl
)
1155 * During this whole function, nested_decl is always OURS,
1156 * whereas field_decl is an output which we create, but
1157 * belongs to the caller (it is moved).
1162 /* Validate field class declarator node */
1163 if (node_field_class_declarator
) {
1164 if (node_field_class_declarator
->u
.field_class_declarator
.type
==
1166 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1167 "Unexpected field class declarator type: type=%d",
1168 node_field_class_declarator
->u
.field_class_declarator
.type
);
1173 /* TODO: GCC bitfields not supported yet */
1174 if (node_field_class_declarator
->u
.field_class_declarator
.bitfield_len
!=
1176 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1177 "GCC bitfields are not supported as of this version.");
1183 /* Find the right nested declaration if not provided */
1185 struct bt_list_head
*pointers
=
1186 &node_field_class_declarator
->u
.field_class_declarator
.pointers
;
1188 if (node_field_class_declarator
&& !bt_list_empty(pointers
)) {
1192 * If we have a pointer declarator, it HAS to
1193 * be present in the field class aliases (else
1196 qalias
= create_class_alias_identifier(ctx
,
1197 cls_specifier_list
, node_field_class_declarator
);
1199 ctx_decl_scope_lookup_alias(ctx
,
1201 g_quark_to_string(qalias
), -1, true);
1203 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1204 "Cannot find class alias: name=\"%s\"",
1205 g_quark_to_string(qalias
));
1210 if (nested_decl
->type
== CTF_FIELD_CLASS_TYPE_INT
) {
1211 /* Pointer: force integer's base to 16 */
1212 struct ctf_field_class_int
*int_fc
=
1213 (void *) nested_decl
;
1216 BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
;
1219 ret
= visit_field_class_specifier_list(ctx
,
1220 cls_specifier_list
, &nested_decl
);
1222 BT_ASSERT(!nested_decl
);
1228 BT_ASSERT(nested_decl
);
1230 if (!node_field_class_declarator
) {
1231 *field_decl
= nested_decl
;
1236 if (node_field_class_declarator
->u
.field_class_declarator
.type
== TYPEDEC_ID
) {
1237 if (node_field_class_declarator
->u
.field_class_declarator
.u
.id
) {
1239 node_field_class_declarator
->u
.field_class_declarator
.u
.id
;
1241 *field_name
= g_quark_from_string(id
);
1246 *field_decl
= nested_decl
;
1250 struct ctf_node
*first
;
1251 struct ctf_field_class
*decl
= NULL
;
1252 struct ctf_field_class
*outer_field_decl
= NULL
;
1253 struct bt_list_head
*length
=
1254 &node_field_class_declarator
->
1255 u
.field_class_declarator
.u
.nested
.length
;
1257 /* Create array/sequence, pass nested_decl as child */
1258 if (bt_list_empty(length
)) {
1259 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1260 "Expecting length field reference or value.");
1265 first
= _BT_LIST_FIRST_ENTRY(length
, struct ctf_node
, siblings
);
1266 if (first
->type
!= NODE_UNARY_EXPRESSION
) {
1267 _BT_COMP_LOGE_APPEND_CAUSE_NODE(first
,
1268 "Unexpected node type: node-type=%d",
1274 switch (first
->u
.unary_expression
.type
) {
1275 case UNARY_UNSIGNED_CONSTANT
:
1277 struct ctf_field_class_array
*array_decl
= NULL
;
1279 array_decl
= ctf_field_class_array_create();
1280 BT_ASSERT(array_decl
);
1281 array_decl
->length
=
1282 first
->u
.unary_expression
.u
.unsigned_constant
;
1283 array_decl
->base
.elem_fc
= nested_decl
;
1285 decl
= (void *) array_decl
;
1290 /* Lookup unsigned integer definition, create seq. */
1291 struct ctf_field_class_sequence
*seq_decl
= NULL
;
1292 char *length_name
= ctf_ast_concatenate_unary_strings(length
);
1295 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1296 "Cannot concatenate unary strings.");
1301 if (strncmp(length_name
, "env.", 4) == 0) {
1302 /* This is, in fact, an array */
1303 const char *env_entry_name
= &length_name
[4];
1304 struct ctf_trace_class_env_entry
*env_entry
=
1305 ctf_trace_class_borrow_env_entry_by_name(
1306 ctx
->ctf_tc
, env_entry_name
);
1307 struct ctf_field_class_array
*array_decl
;
1310 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1311 "Cannot find environment entry: "
1312 "name=\"%s\"", env_entry_name
);
1317 if (env_entry
->type
!= CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
) {
1318 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1319 "Wrong environment entry type "
1320 "(expecting integer): "
1321 "name=\"%s\"", env_entry_name
);
1326 if (env_entry
->value
.i
< 0) {
1327 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node_field_class_declarator
,
1328 "Invalid, negative array length: "
1329 "env-entry-name=\"%s\", "
1332 env_entry
->value
.i
);
1337 array_decl
= ctf_field_class_array_create();
1338 BT_ASSERT(array_decl
);
1339 array_decl
->length
=
1340 (uint64_t) env_entry
->value
.i
;
1341 array_decl
->base
.elem_fc
= nested_decl
;
1343 decl
= (void *) array_decl
;
1345 seq_decl
= ctf_field_class_sequence_create();
1346 BT_ASSERT(seq_decl
);
1347 seq_decl
->base
.elem_fc
= nested_decl
;
1349 g_string_assign(seq_decl
->length_ref
,
1351 decl
= (void *) seq_decl
;
1354 g_free(length_name
);
1362 BT_ASSERT(!nested_decl
);
1364 BT_ASSERT(!*field_decl
);
1367 * At this point, we found the next nested declaration.
1368 * We currently own this (and lost the ownership of
1369 * nested_decl in the meantime). Pass this next
1370 * nested declaration as the content of the outer
1371 * container, MOVING its ownership.
1373 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1375 node_field_class_declarator
->
1376 u
.field_class_declarator
.u
.nested
.field_class_declarator
,
1377 &outer_field_decl
, decl
);
1380 BT_ASSERT(!outer_field_decl
);
1385 BT_ASSERT(outer_field_decl
);
1386 *field_decl
= outer_field_decl
;
1387 outer_field_decl
= NULL
;
1390 BT_ASSERT(*field_decl
);
1394 ctf_field_class_destroy(*field_decl
);
1402 ctf_field_class_destroy(nested_decl
);
1408 int visit_struct_decl_field(struct ctf_visitor_generate_ir
*ctx
,
1409 struct ctf_field_class_struct
*struct_decl
,
1410 struct ctf_node
*cls_specifier_list
,
1411 struct bt_list_head
*field_class_declarators
)
1414 struct ctf_node
*iter
;
1415 struct ctf_field_class
*field_decl
= NULL
;
1417 bt_list_for_each_entry(iter
, field_class_declarators
, siblings
) {
1420 const char *field_name
;
1422 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1423 &qfield_name
, iter
, &field_decl
, NULL
);
1425 BT_ASSERT(!field_decl
);
1426 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier_list
,
1427 "Cannot visit field class declarator: ret=%d", ret
);
1431 BT_ASSERT(field_decl
);
1432 field_name
= g_quark_to_string(qfield_name
);
1434 /* Check if field with same name already exists */
1435 if (ctf_field_class_struct_borrow_member_by_name(
1436 struct_decl
, field_name
)) {
1437 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier_list
,
1438 "Duplicate field in structure field class: "
1439 "field-name=\"%s\"", field_name
);
1444 /* Add field to structure */
1445 ctf_field_class_struct_append_member(struct_decl
,
1446 field_name
, field_decl
);
1453 ctf_field_class_destroy(field_decl
);
1459 int visit_variant_decl_field(struct ctf_visitor_generate_ir
*ctx
,
1460 struct ctf_field_class_variant
*variant_decl
,
1461 struct ctf_node
*cls_specifier_list
,
1462 struct bt_list_head
*field_class_declarators
)
1465 struct ctf_node
*iter
;
1466 struct ctf_field_class
*field_decl
= NULL
;
1468 bt_list_for_each_entry(iter
, field_class_declarators
, siblings
) {
1471 const char *field_name
;
1473 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1474 &qfield_name
, iter
, &field_decl
, NULL
);
1476 BT_ASSERT(!field_decl
);
1477 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier_list
,
1478 "Cannot visit field class declarator: ret=%d", ret
);
1482 BT_ASSERT(field_decl
);
1483 field_name
= g_quark_to_string(qfield_name
);
1485 /* Check if field with same name already exists */
1486 if (ctf_field_class_variant_borrow_option_by_name(
1487 variant_decl
, field_name
)) {
1488 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier_list
,
1489 "Duplicate field in variant field class: "
1490 "field-name=\"%s\"", field_name
);
1495 /* Add field to structure */
1496 ctf_field_class_variant_append_option(variant_decl
,
1497 field_name
, field_decl
);
1504 ctf_field_class_destroy(field_decl
);
1510 int visit_field_class_def(struct ctf_visitor_generate_ir
*ctx
,
1511 struct ctf_node
*cls_specifier_list
,
1512 struct bt_list_head
*field_class_declarators
)
1516 struct ctf_node
*iter
;
1517 struct ctf_field_class
*class_decl
= NULL
;
1519 bt_list_for_each_entry(iter
, field_class_declarators
, siblings
) {
1520 ret
= visit_field_class_declarator(ctx
, cls_specifier_list
,
1521 &qidentifier
, iter
, &class_decl
, NULL
);
1523 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
1524 "Cannot visit field class declarator: ret=%d", ret
);
1529 /* Do not allow field class def and alias of untagged variants */
1530 if (class_decl
->type
== CTF_FIELD_CLASS_TYPE_VARIANT
) {
1531 struct ctf_field_class_variant
*var_fc
=
1532 (void *) class_decl
;
1534 if (var_fc
->tag_path
.path
->len
== 0) {
1535 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
1536 "Type definition of untagged variant field class is not allowed.");
1542 ret
= ctx_decl_scope_register_alias(ctx
, ctx
->current_scope
,
1543 g_quark_to_string(qidentifier
), class_decl
);
1545 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
1546 "Cannot register field class alias: name=\"%s\"",
1547 g_quark_to_string(qidentifier
));
1553 ctf_field_class_destroy(class_decl
);
1559 int visit_field_class_alias(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*target
,
1560 struct ctf_node
*alias
)
1564 struct ctf_node
*node
;
1565 GQuark qdummy_field_name
;
1566 struct ctf_field_class
*class_decl
= NULL
;
1568 /* Create target field class */
1569 if (bt_list_empty(&target
->u
.field_class_alias_target
.field_class_declarators
)) {
1572 node
= _BT_LIST_FIRST_ENTRY(
1573 &target
->u
.field_class_alias_target
.field_class_declarators
,
1574 struct ctf_node
, siblings
);
1577 ret
= visit_field_class_declarator(ctx
,
1578 target
->u
.field_class_alias_target
.field_class_specifier_list
,
1579 &qdummy_field_name
, node
, &class_decl
, NULL
);
1581 BT_ASSERT(!class_decl
);
1582 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
1583 "Cannot visit field class declarator: ret=%d", ret
);
1587 /* Do not allow field class def and alias of untagged variants */
1588 if (class_decl
->type
== CTF_FIELD_CLASS_TYPE_VARIANT
) {
1589 struct ctf_field_class_variant
*var_fc
= (void *) class_decl
;
1591 if (var_fc
->tag_path
.path
->len
== 0) {
1592 _BT_COMP_LOGE_APPEND_CAUSE_NODE(target
,
1593 "Type definition of untagged variant field class is not allowed.");
1600 * The semantic validator does not check whether the target is
1601 * abstract or not (if it has an identifier). Check it here.
1603 if (qdummy_field_name
!= 0) {
1604 _BT_COMP_LOGE_APPEND_CAUSE_NODE(target
,
1605 "Expecting empty identifier: id=\"%s\"",
1606 g_quark_to_string(qdummy_field_name
));
1611 /* Create alias identifier */
1612 node
= _BT_LIST_FIRST_ENTRY(&alias
->u
.field_class_alias_name
.field_class_declarators
,
1613 struct ctf_node
, siblings
);
1614 qalias
= create_class_alias_identifier(ctx
,
1615 alias
->u
.field_class_alias_name
.field_class_specifier_list
, node
);
1616 ret
= ctx_decl_scope_register_alias(ctx
, ctx
->current_scope
,
1617 g_quark_to_string(qalias
), class_decl
);
1619 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
1620 "Cannot register class alias: name=\"%s\"",
1621 g_quark_to_string(qalias
));
1626 ctf_field_class_destroy(class_decl
);
1632 int visit_struct_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*entry_node
,
1633 struct ctf_field_class_struct
*struct_decl
)
1637 switch (entry_node
->type
) {
1639 ret
= visit_field_class_def(ctx
,
1640 entry_node
->u
.field_class_def
.field_class_specifier_list
,
1641 &entry_node
->u
.field_class_def
.field_class_declarators
);
1643 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1644 "Cannot add field class found in structure field class: ret=%d",
1649 case NODE_TYPEALIAS
:
1650 ret
= visit_field_class_alias(ctx
, entry_node
->u
.field_class_alias
.target
,
1651 entry_node
->u
.field_class_alias
.alias
);
1653 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1654 "Cannot add field class alias found in structure field class: ret=%d",
1659 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
1661 ret
= visit_struct_decl_field(ctx
, struct_decl
,
1662 entry_node
->u
.struct_or_variant_declaration
.
1663 field_class_specifier_list
,
1664 &entry_node
->u
.struct_or_variant_declaration
.
1665 field_class_declarators
);
1671 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1672 "Unexpected node type: node-type=%d", entry_node
->type
);
1682 int visit_variant_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*entry_node
,
1683 struct ctf_field_class_variant
*variant_decl
)
1687 switch (entry_node
->type
) {
1689 ret
= visit_field_class_def(ctx
,
1690 entry_node
->u
.field_class_def
.field_class_specifier_list
,
1691 &entry_node
->u
.field_class_def
.field_class_declarators
);
1693 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1694 "Cannot add field class found in variant field class: ret=%d",
1699 case NODE_TYPEALIAS
:
1700 ret
= visit_field_class_alias(ctx
, entry_node
->u
.field_class_alias
.target
,
1701 entry_node
->u
.field_class_alias
.alias
);
1703 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1704 "Cannot add field class alias found in variant field class: ret=%d",
1709 case NODE_STRUCT_OR_VARIANT_DECLARATION
:
1711 ret
= visit_variant_decl_field(ctx
, variant_decl
,
1712 entry_node
->u
.struct_or_variant_declaration
.
1713 field_class_specifier_list
,
1714 &entry_node
->u
.struct_or_variant_declaration
.
1715 field_class_declarators
);
1721 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1722 "Unexpected node type: node-type=%d",
1733 int visit_struct_decl(struct ctf_visitor_generate_ir
*ctx
, const char *name
,
1734 struct bt_list_head
*decl_list
, int has_body
,
1735 struct bt_list_head
*min_align
,
1736 struct ctf_field_class_struct
**struct_decl
)
1740 BT_ASSERT(struct_decl
);
1741 *struct_decl
= NULL
;
1743 /* For named struct (without body), lookup in declaration scope */
1746 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Bodyless structure field class: missing name.");
1751 *struct_decl
= ctx_decl_scope_lookup_struct(ctx
, ctx
->current_scope
,
1753 if (!*struct_decl
) {
1754 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot find structure field class: name=\"struct %s\"",
1760 struct ctf_node
*entry_node
;
1761 uint64_t min_align_value
= 0;
1764 if (ctx_decl_scope_lookup_struct(ctx
,
1765 ctx
->current_scope
, name
, 1, false)) {
1766 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Structure field class already declared in local scope: "
1767 "name=\"struct %s\"", name
);
1773 if (!bt_list_empty(min_align
)) {
1774 ret
= get_unary_unsigned(ctx
, min_align
,
1777 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Unexpected unary expression for structure field class's `align` attribute: "
1783 *struct_decl
= ctf_field_class_struct_create();
1784 BT_ASSERT(*struct_decl
);
1786 if (min_align_value
!= 0) {
1787 (*struct_decl
)->base
.alignment
= min_align_value
;
1790 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
1792 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
1793 ret
= visit_struct_decl_entry(ctx
, entry_node
,
1796 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1797 "Cannot visit structure field class entry: "
1807 ret
= ctx_decl_scope_register_struct(ctx
,
1808 ctx
->current_scope
, name
, *struct_decl
);
1810 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot register structure field class in declaration scope: "
1811 "name=\"struct %s\", ret=%d", name
, ret
);
1820 ctf_field_class_destroy((void *) *struct_decl
);
1821 *struct_decl
= NULL
;
1826 int visit_variant_decl(struct ctf_visitor_generate_ir
*ctx
, const char *name
,
1827 const char *tag
, struct bt_list_head
*decl_list
,
1828 int has_body
, struct ctf_field_class_variant
**variant_decl
)
1831 struct ctf_field_class_variant
*untagged_variant_decl
= NULL
;
1833 BT_ASSERT(variant_decl
);
1834 *variant_decl
= NULL
;
1836 /* For named variant (without body), lookup in declaration scope */
1839 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Bodyless variant field class: missing name.");
1844 untagged_variant_decl
=
1845 ctx_decl_scope_lookup_variant(ctx
, ctx
->current_scope
,
1847 if (!untagged_variant_decl
) {
1848 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot find variant field class: name=\"variant %s\"",
1854 struct ctf_node
*entry_node
;
1857 if (ctx_decl_scope_lookup_variant(ctx
,
1858 ctx
->current_scope
, name
, 1, false)) {
1859 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Variant field class already declared in local scope: "
1860 "name=\"variant %s\"", name
);
1866 untagged_variant_decl
= ctf_field_class_variant_create();
1867 BT_ASSERT(untagged_variant_decl
);
1868 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
1870 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
1871 ret
= visit_variant_decl_entry(ctx
, entry_node
,
1872 untagged_variant_decl
);
1874 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
1875 "Cannot visit variant field class entry: "
1885 ret
= ctx_decl_scope_register_variant(ctx
,
1886 ctx
->current_scope
, name
,
1887 untagged_variant_decl
);
1889 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot register variant field class in declaration scope: "
1890 "name=\"variant %s\", ret=%d", name
, ret
);
1897 * If tagged, create tagged variant and return; otherwise
1898 * return untagged variant.
1901 *variant_decl
= untagged_variant_decl
;
1902 untagged_variant_decl
= NULL
;
1905 * At this point, we have a fresh untagged variant; nobody
1906 * else owns it. Set its tag now.
1908 g_string_assign(untagged_variant_decl
->tag_ref
, tag
);
1909 *variant_decl
= untagged_variant_decl
;
1910 untagged_variant_decl
= NULL
;
1913 BT_ASSERT(!untagged_variant_decl
);
1914 BT_ASSERT(*variant_decl
);
1918 ctf_field_class_destroy((void *) untagged_variant_decl
);
1919 untagged_variant_decl
= NULL
;
1920 ctf_field_class_destroy((void *) *variant_decl
);
1921 *variant_decl
= NULL
;
1934 int visit_enum_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*enumerator
,
1935 struct ctf_field_class_enum
*enum_decl
, struct uori
*last
)
1939 struct ctf_node
*iter
;
1940 struct uori start
= {
1948 const char *label
= enumerator
->u
.enumerator
.id
;
1949 struct bt_list_head
*values
= &enumerator
->u
.enumerator
.values
;
1951 bt_list_for_each_entry(iter
, values
, siblings
) {
1952 struct uori
*target
;
1954 if (iter
->type
!= NODE_UNARY_EXPRESSION
) {
1955 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
1956 "Wrong expression for enumeration field class label: "
1957 "node-type=%d, label=\"%s\"", iter
->type
,
1969 switch (iter
->u
.unary_expression
.type
) {
1970 case UNARY_SIGNED_CONSTANT
:
1971 target
->is_signed
= true;
1973 iter
->u
.unary_expression
.u
.signed_constant
;
1975 case UNARY_UNSIGNED_CONSTANT
:
1976 target
->is_signed
= false;
1978 iter
->u
.unary_expression
.u
.unsigned_constant
;
1981 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
1982 "Invalid enumeration field class entry: "
1983 "expecting constant signed or unsigned integer: "
1984 "node-type=%d, label=\"%s\"",
1985 iter
->u
.unary_expression
.type
, label
);
1991 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
1992 "Invalid enumeration field class entry: label=\"%s\"",
2009 if (end
.is_signed
) {
2010 last
->value
.i
= end
.value
.i
+ 1;
2012 last
->value
.u
= end
.value
.u
+ 1;
2015 ctf_field_class_enum_map_range(enum_decl
, label
,
2016 start
.value
.u
, end
.value
.u
);
2024 int visit_enum_decl(struct ctf_visitor_generate_ir
*ctx
, const char *name
,
2025 struct ctf_node
*container_cls
,
2026 struct bt_list_head
*enumerator_list
,
2027 int has_body
, struct ctf_field_class_enum
**enum_decl
)
2031 struct ctf_field_class_int
*integer_decl
= NULL
;
2033 BT_ASSERT(enum_decl
);
2036 /* For named enum (without body), lookup in declaration scope */
2039 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Bodyless enumeration field class: missing name.");
2044 *enum_decl
= ctx_decl_scope_lookup_enum(ctx
, ctx
->current_scope
,
2047 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot find enumeration field class: "
2048 "name=\"enum %s\"", name
);
2053 struct ctf_node
*iter
;
2054 struct uori last_value
= {
2060 if (ctx_decl_scope_lookup_enum(ctx
, ctx
->current_scope
,
2062 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Enumeration field class already declared in local scope: "
2063 "name=\"enum %s\"", name
);
2069 if (!container_cls
) {
2070 integer_decl
= (void *) ctx_decl_scope_lookup_alias(ctx
,
2071 ctx
->current_scope
, "int", -1, true);
2072 if (!integer_decl
) {
2073 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot find implicit `int` field class alias for enumeration field class.");
2078 ret
= visit_field_class_declarator(ctx
, container_cls
,
2079 &qdummy_id
, NULL
, (void *) &integer_decl
,
2082 BT_ASSERT(!integer_decl
);
2088 BT_ASSERT(integer_decl
);
2090 if (integer_decl
->base
.base
.type
!= CTF_FIELD_CLASS_TYPE_INT
) {
2091 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Container field class for enumeration field class is not an integer field class: "
2092 "fc-type=%d", integer_decl
->base
.base
.type
);
2097 *enum_decl
= ctf_field_class_enum_create();
2098 BT_ASSERT(*enum_decl
);
2099 (*enum_decl
)->base
.base
.base
.alignment
=
2100 integer_decl
->base
.base
.alignment
;
2101 ctf_field_class_int_copy_content((void *) *enum_decl
,
2102 (void *) integer_decl
);
2103 last_value
.is_signed
= (*enum_decl
)->base
.is_signed
;
2105 bt_list_for_each_entry(iter
, enumerator_list
, siblings
) {
2106 ret
= visit_enum_decl_entry(ctx
, iter
, *enum_decl
,
2109 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
2110 "Cannot visit enumeration field class entry: "
2117 ret
= ctx_decl_scope_register_enum(ctx
,
2118 ctx
->current_scope
, name
, *enum_decl
);
2120 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot register enumeration field class in declaration scope: "
2130 ctf_field_class_destroy((void *) *enum_decl
);
2134 ctf_field_class_destroy((void *) integer_decl
);
2135 integer_decl
= NULL
;
2140 int visit_field_class_specifier(struct ctf_visitor_generate_ir
*ctx
,
2141 struct ctf_node
*cls_specifier_list
,
2142 struct ctf_field_class
**decl
)
2145 GString
*str
= NULL
;
2148 str
= g_string_new("");
2149 ret
= get_class_specifier_list_name(ctx
, cls_specifier_list
, str
);
2151 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier_list
,
2152 "Cannot get field class specifier list's name: ret=%d", ret
);
2156 *decl
= ctx_decl_scope_lookup_alias(ctx
, ctx
->current_scope
, str
->str
,
2159 _BT_COMP_LOGE_APPEND_CAUSE_NODE(cls_specifier_list
,
2160 "Cannot find field class alias: name=\"%s\"", str
->str
);
2168 ctf_field_class_destroy(*decl
);
2173 g_string_free(str
, TRUE
);
2180 int visit_integer_decl(struct ctf_visitor_generate_ir
*ctx
,
2181 struct bt_list_head
*expressions
,
2182 struct ctf_field_class_int
**integer_decl
)
2187 struct ctf_node
*expression
;
2188 uint64_t alignment
= 0, size
= 0;
2189 struct ctf_clock_class
*mapped_clock_class
= NULL
;
2190 enum ctf_encoding encoding
= CTF_ENCODING_NONE
;
2191 bt_field_class_integer_preferred_display_base base
=
2192 BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
;
2193 enum ctf_byte_order byte_order
= ctx
->ctf_tc
->default_byte_order
;
2195 *integer_decl
= NULL
;
2197 bt_list_for_each_entry(expression
, expressions
, siblings
) {
2198 struct ctf_node
*left
, *right
;
2200 left
= _BT_LIST_FIRST_ENTRY(&expression
->u
.ctf_expression
.left
,
2201 struct ctf_node
, siblings
);
2202 right
= _BT_LIST_FIRST_ENTRY(
2203 &expression
->u
.ctf_expression
.right
, struct ctf_node
,
2206 if (left
->u
.unary_expression
.type
!= UNARY_STRING
) {
2207 _BT_COMP_LOGE_APPEND_CAUSE_NODE(left
,
2208 "Unexpected unary expression type: type=%d",
2209 left
->u
.unary_expression
.type
);
2214 if (strcmp(left
->u
.unary_expression
.u
.string
, "signed") == 0) {
2215 if (_IS_SET(&set
, _INTEGER_SIGNED_SET
)) {
2216 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "signed",
2217 "integer field class");
2222 signedness
= get_boolean(ctx
, right
);
2223 if (signedness
< 0) {
2224 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2225 "Invalid boolean value for integer field class's `signed` attribute: "
2231 _SET(&set
, _INTEGER_SIGNED_SET
);
2232 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "byte_order") == 0) {
2233 if (_IS_SET(&set
, _INTEGER_BYTE_ORDER_SET
)) {
2234 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "byte_order",
2235 "integer field class");
2240 byte_order
= get_real_byte_order(ctx
, right
);
2241 if (byte_order
== CTF_BYTE_ORDER_UNKNOWN
) {
2242 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2243 "Invalid `byte_order` attribute in integer field class: "
2249 _SET(&set
, _INTEGER_BYTE_ORDER_SET
);
2250 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "size") == 0) {
2251 if (_IS_SET(&set
, _INTEGER_SIZE_SET
)) {
2252 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "size",
2253 "integer field class");
2258 if (right
->u
.unary_expression
.type
!=
2259 UNARY_UNSIGNED_CONSTANT
) {
2260 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2261 "Invalid `size` attribute in integer field class: "
2262 "expecting unsigned constant integer: "
2264 right
->u
.unary_expression
.type
);
2269 size
= right
->u
.unary_expression
.u
.unsigned_constant
;
2271 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2272 "Invalid `size` attribute in integer field class: "
2273 "expecting positive constant integer: "
2274 "size=%" PRIu64
, size
);
2277 } else if (size
> 64) {
2278 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2279 "Invalid `size` attribute in integer field class: "
2280 "integer fields over 64 bits are not supported as of this version: "
2281 "size=%" PRIu64
, size
);
2286 _SET(&set
, _INTEGER_SIZE_SET
);
2287 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "align") == 0) {
2288 if (_IS_SET(&set
, _INTEGER_ALIGN_SET
)) {
2289 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "align",
2290 "integer field class");
2295 if (right
->u
.unary_expression
.type
!=
2296 UNARY_UNSIGNED_CONSTANT
) {
2297 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2298 "Invalid `align` attribute in integer field class: "
2299 "expecting unsigned constant integer: "
2301 right
->u
.unary_expression
.type
);
2307 right
->u
.unary_expression
.u
.unsigned_constant
;
2308 if (!is_align_valid(alignment
)) {
2309 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2310 "Invalid `align` attribute in integer field class: "
2311 "expecting power of two: "
2312 "align=%" PRIu64
, alignment
);
2317 _SET(&set
, _INTEGER_ALIGN_SET
);
2318 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "base") == 0) {
2319 if (_IS_SET(&set
, _INTEGER_BASE_SET
)) {
2320 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "base",
2321 "integer field class");
2326 switch (right
->u
.unary_expression
.type
) {
2327 case UNARY_UNSIGNED_CONSTANT
:
2329 uint64_t constant
= right
->u
.unary_expression
.
2330 u
.unsigned_constant
;
2334 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY
;
2337 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
;
2340 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
;
2343 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
;
2346 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2347 "Invalid `base` attribute in integer field class: "
2349 right
->u
.unary_expression
.u
.unsigned_constant
);
2357 char *s_right
= ctf_ast_concatenate_unary_strings(
2358 &expression
->u
.ctf_expression
.right
);
2360 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2361 "Unexpected unary expression for integer field class's `base` attribute.");
2366 if (strcmp(s_right
, "decimal") == 0 ||
2367 strcmp(s_right
, "dec") == 0 ||
2368 strcmp(s_right
, "d") == 0 ||
2369 strcmp(s_right
, "i") == 0 ||
2370 strcmp(s_right
, "u") == 0) {
2371 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
;
2372 } else if (strcmp(s_right
, "hexadecimal") == 0 ||
2373 strcmp(s_right
, "hex") == 0 ||
2374 strcmp(s_right
, "x") == 0 ||
2375 strcmp(s_right
, "X") == 0 ||
2376 strcmp(s_right
, "p") == 0) {
2377 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
;
2378 } else if (strcmp(s_right
, "octal") == 0 ||
2379 strcmp(s_right
, "oct") == 0 ||
2380 strcmp(s_right
, "o") == 0) {
2381 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
;
2382 } else if (strcmp(s_right
, "binary") == 0 ||
2383 strcmp(s_right
, "b") == 0) {
2384 base
= BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY
;
2386 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2387 "Unexpected unary expression for integer field class's `base` attribute: "
2388 "base=\"%s\"", s_right
);
2398 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2399 "Invalid `base` attribute in integer field class: "
2400 "expecting unsigned constant integer or unary string.");
2405 _SET(&set
, _INTEGER_BASE_SET
);
2406 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "encoding") == 0) {
2409 if (_IS_SET(&set
, _INTEGER_ENCODING_SET
)) {
2410 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "encoding",
2411 "integer field class");
2416 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
2417 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2418 "Invalid `encoding` attribute in integer field class: "
2419 "expecting unary string.");
2424 s_right
= ctf_ast_concatenate_unary_strings(
2425 &expression
->u
.ctf_expression
.right
);
2427 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2428 "Unexpected unary expression for integer field class's `encoding` attribute.");
2433 if (strcmp(s_right
, "UTF8") == 0 ||
2434 strcmp(s_right
, "utf8") == 0 ||
2435 strcmp(s_right
, "utf-8") == 0 ||
2436 strcmp(s_right
, "UTF-8") == 0 ||
2437 strcmp(s_right
, "ASCII") == 0 ||
2438 strcmp(s_right
, "ascii") == 0) {
2439 encoding
= CTF_ENCODING_UTF8
;
2440 } else if (strcmp(s_right
, "none") == 0) {
2441 encoding
= CTF_ENCODING_NONE
;
2443 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2444 "Invalid `encoding` attribute in integer field class: "
2445 "unknown encoding: encoding=\"%s\"",
2453 _SET(&set
, _INTEGER_ENCODING_SET
);
2454 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "map") == 0) {
2455 const char *clock_name
;
2457 if (_IS_SET(&set
, _INTEGER_MAP_SET
)) {
2458 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "map",
2459 "integer field class");
2464 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
2465 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2466 "Invalid `map` attribute in integer field class: "
2467 "expecting unary string.");
2473 get_map_clock_name_value(
2474 &expression
->u
.ctf_expression
.right
);
2476 char *s_right
= ctf_ast_concatenate_unary_strings(
2477 &expression
->u
.ctf_expression
.right
);
2480 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2481 "Unexpected unary expression for integer field class's `map` attribute.");
2486 _BT_COMP_LOGE_NODE(right
,
2487 "Invalid `map` attribute in integer field class: "
2488 "cannot find clock class at this point: name=\"%s\"",
2490 _SET(&set
, _INTEGER_MAP_SET
);
2495 mapped_clock_class
=
2496 ctf_trace_class_borrow_clock_class_by_name(
2497 ctx
->ctf_tc
, clock_name
);
2498 if (!mapped_clock_class
) {
2499 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2500 "Invalid `map` attribute in integer field class: "
2501 "cannot find clock class at this point: name=\"%s\"",
2507 _SET(&set
, _INTEGER_MAP_SET
);
2509 _BT_COMP_LOGW_NODE(left
,
2510 "Unknown attribute in integer field class: "
2512 left
->u
.unary_expression
.u
.string
);
2516 if (!_IS_SET(&set
, _INTEGER_SIZE_SET
)) {
2517 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Missing `size` attribute in integer field class.");
2522 if (!_IS_SET(&set
, _INTEGER_ALIGN_SET
)) {
2523 if (size
% CHAR_BIT
) {
2524 /* Bit-packed alignment */
2527 /* Byte-packed alignment */
2528 alignment
= CHAR_BIT
;
2532 *integer_decl
= ctf_field_class_int_create();
2533 BT_ASSERT(*integer_decl
);
2534 (*integer_decl
)->base
.base
.alignment
= alignment
;
2535 (*integer_decl
)->base
.byte_order
= byte_order
;
2536 (*integer_decl
)->base
.size
= size
;
2537 (*integer_decl
)->is_signed
= (signedness
> 0);
2538 (*integer_decl
)->disp_base
= base
;
2539 (*integer_decl
)->encoding
= encoding
;
2540 (*integer_decl
)->mapped_clock_class
= mapped_clock_class
;
2544 ctf_field_class_destroy((void *) *integer_decl
);
2545 *integer_decl
= NULL
;
2550 int visit_floating_point_number_decl(struct ctf_visitor_generate_ir
*ctx
,
2551 struct bt_list_head
*expressions
,
2552 struct ctf_field_class_float
**float_decl
)
2556 struct ctf_node
*expression
;
2557 uint64_t alignment
= 1, exp_dig
= 0, mant_dig
= 0;
2558 enum ctf_byte_order byte_order
= ctx
->ctf_tc
->default_byte_order
;
2562 bt_list_for_each_entry(expression
, expressions
, siblings
) {
2563 struct ctf_node
*left
, *right
;
2565 left
= _BT_LIST_FIRST_ENTRY(&expression
->u
.ctf_expression
.left
,
2566 struct ctf_node
, siblings
);
2567 right
= _BT_LIST_FIRST_ENTRY(
2568 &expression
->u
.ctf_expression
.right
, struct ctf_node
,
2571 if (left
->u
.unary_expression
.type
!= UNARY_STRING
) {
2572 _BT_COMP_LOGE_APPEND_CAUSE_NODE(left
,
2573 "Unexpected unary expression type: type=%d",
2574 left
->u
.unary_expression
.type
);
2579 if (strcmp(left
->u
.unary_expression
.u
.string
, "byte_order") == 0) {
2580 if (_IS_SET(&set
, _FLOAT_BYTE_ORDER_SET
)) {
2581 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "byte_order",
2582 "floating point number field class");
2587 byte_order
= get_real_byte_order(ctx
, right
);
2588 if (byte_order
== CTF_BYTE_ORDER_UNKNOWN
) {
2589 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2590 "Invalid `byte_order` attribute in floating point number field class: "
2596 _SET(&set
, _FLOAT_BYTE_ORDER_SET
);
2597 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "exp_dig") == 0) {
2598 if (_IS_SET(&set
, _FLOAT_EXP_DIG_SET
)) {
2599 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "exp_dig",
2600 "floating point number field class");
2605 if (right
->u
.unary_expression
.type
!=
2606 UNARY_UNSIGNED_CONSTANT
) {
2607 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2608 "Invalid `exp_dig` attribute in floating point number field class: "
2609 "expecting unsigned constant integer: "
2611 right
->u
.unary_expression
.type
);
2616 exp_dig
= right
->u
.unary_expression
.u
.unsigned_constant
;
2617 _SET(&set
, _FLOAT_EXP_DIG_SET
);
2618 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "mant_dig") == 0) {
2619 if (_IS_SET(&set
, _FLOAT_MANT_DIG_SET
)) {
2620 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "mant_dig",
2621 "floating point number field class");
2626 if (right
->u
.unary_expression
.type
!=
2627 UNARY_UNSIGNED_CONSTANT
) {
2628 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2629 "Invalid `mant_dig` attribute in floating point number field class: "
2630 "expecting unsigned constant integer: "
2632 right
->u
.unary_expression
.type
);
2637 mant_dig
= right
->u
.unary_expression
.u
.
2639 _SET(&set
, _FLOAT_MANT_DIG_SET
);
2640 } else if (strcmp(left
->u
.unary_expression
.u
.string
, "align") == 0) {
2641 if (_IS_SET(&set
, _FLOAT_ALIGN_SET
)) {
2642 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "align",
2643 "floating point number field class");
2648 if (right
->u
.unary_expression
.type
!=
2649 UNARY_UNSIGNED_CONSTANT
) {
2650 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2651 "Invalid `align` attribute in floating point number field class: "
2652 "expecting unsigned constant integer: "
2654 right
->u
.unary_expression
.type
);
2659 alignment
= right
->u
.unary_expression
.u
.
2662 if (!is_align_valid(alignment
)) {
2663 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2664 "Invalid `align` attribute in floating point number field class: "
2665 "expecting power of two: "
2666 "align=%" PRIu64
, alignment
);
2671 _SET(&set
, _FLOAT_ALIGN_SET
);
2673 _BT_COMP_LOGW_NODE(left
,
2674 "Unknown attribute in floating point number field class: "
2676 left
->u
.unary_expression
.u
.string
);
2680 if (!_IS_SET(&set
, _FLOAT_MANT_DIG_SET
)) {
2681 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Missing `mant_dig` attribute in floating point number field class.");
2686 if (!_IS_SET(&set
, _FLOAT_EXP_DIG_SET
)) {
2687 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Missing `exp_dig` attribute in floating point number field class.");
2692 if (mant_dig
!= 24 && mant_dig
!= 53) {
2693 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("`mant_dig` attribute: expecting 24 or 53.");
2698 if (mant_dig
== 24 && exp_dig
!= 8) {
2699 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("`exp_dig` attribute: expecting 8 because `mant_dig` is 24.");
2704 if (mant_dig
== 53 && exp_dig
!= 11) {
2705 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("`exp_dig` attribute: expecting 11 because `mant_dig` is 53.");
2710 if (!_IS_SET(&set
, _INTEGER_ALIGN_SET
)) {
2711 if ((mant_dig
+ exp_dig
) % CHAR_BIT
) {
2712 /* Bit-packed alignment */
2715 /* Byte-packed alignment */
2716 alignment
= CHAR_BIT
;
2720 *float_decl
= ctf_field_class_float_create();
2721 BT_ASSERT(*float_decl
);
2722 (*float_decl
)->base
.base
.alignment
= alignment
;
2723 (*float_decl
)->base
.byte_order
= byte_order
;
2724 (*float_decl
)->base
.size
= mant_dig
+ exp_dig
;
2728 ctf_field_class_destroy((void *) *float_decl
);
2734 int visit_string_decl(struct ctf_visitor_generate_ir
*ctx
,
2735 struct bt_list_head
*expressions
,
2736 struct ctf_field_class_string
**string_decl
)
2740 struct ctf_node
*expression
;
2741 enum ctf_encoding encoding
= CTF_ENCODING_UTF8
;
2743 *string_decl
= NULL
;
2745 bt_list_for_each_entry(expression
, expressions
, siblings
) {
2746 struct ctf_node
*left
, *right
;
2748 left
= _BT_LIST_FIRST_ENTRY(&expression
->u
.ctf_expression
.left
,
2749 struct ctf_node
, siblings
);
2750 right
= _BT_LIST_FIRST_ENTRY(
2751 &expression
->u
.ctf_expression
.right
, struct ctf_node
,
2754 if (left
->u
.unary_expression
.type
!= UNARY_STRING
) {
2755 _BT_COMP_LOGE_APPEND_CAUSE_NODE(left
,
2756 "Unexpected unary expression type: type=%d",
2757 left
->u
.unary_expression
.type
);
2762 if (strcmp(left
->u
.unary_expression
.u
.string
, "encoding") == 0) {
2765 if (_IS_SET(&set
, _STRING_ENCODING_SET
)) {
2766 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(left
, "encoding",
2767 "string field class");
2772 if (right
->u
.unary_expression
.type
!= UNARY_STRING
) {
2773 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2774 "Invalid `encoding` attribute in string field class: "
2775 "expecting unary string.");
2780 s_right
= ctf_ast_concatenate_unary_strings(
2781 &expression
->u
.ctf_expression
.right
);
2783 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2784 "Unexpected unary expression for string field class's `encoding` attribute.");
2789 if (strcmp(s_right
, "UTF8") == 0 ||
2790 strcmp(s_right
, "utf8") == 0 ||
2791 strcmp(s_right
, "utf-8") == 0 ||
2792 strcmp(s_right
, "UTF-8") == 0 ||
2793 strcmp(s_right
, "ASCII") == 0 ||
2794 strcmp(s_right
, "ascii") == 0) {
2795 encoding
= CTF_ENCODING_UTF8
;
2796 } else if (strcmp(s_right
, "none") == 0) {
2797 encoding
= CTF_ENCODING_NONE
;
2799 _BT_COMP_LOGE_APPEND_CAUSE_NODE(right
,
2800 "Invalid `encoding` attribute in string field class: "
2801 "unknown encoding: encoding=\"%s\"",
2809 _SET(&set
, _STRING_ENCODING_SET
);
2811 _BT_COMP_LOGW_NODE(left
,
2812 "Unknown attribute in string field class: "
2814 left
->u
.unary_expression
.u
.string
);
2818 *string_decl
= ctf_field_class_string_create();
2819 BT_ASSERT(*string_decl
);
2820 (*string_decl
)->encoding
= encoding
;
2824 ctf_field_class_destroy((void *) *string_decl
);
2825 *string_decl
= NULL
;
2830 int visit_field_class_specifier_list(struct ctf_visitor_generate_ir
*ctx
,
2831 struct ctf_node
*ts_list
, struct ctf_field_class
**decl
)
2834 struct ctf_node
*first
, *node
;
2838 if (ts_list
->type
!= NODE_TYPE_SPECIFIER_LIST
) {
2839 _BT_COMP_LOGE_APPEND_CAUSE_NODE(ts_list
,
2840 "Unexpected node type: node-type=%d", ts_list
->type
);
2845 first
= _BT_LIST_FIRST_ENTRY(&ts_list
->u
.field_class_specifier_list
.head
,
2846 struct ctf_node
, siblings
);
2847 if (first
->type
!= NODE_TYPE_SPECIFIER
) {
2848 _BT_COMP_LOGE_APPEND_CAUSE_NODE(first
,
2849 "Unexpected node type: node-type=%d", first
->type
);
2854 node
= first
->u
.field_class_specifier
.node
;
2856 switch (first
->u
.field_class_specifier
.type
) {
2857 case TYPESPEC_INTEGER
:
2858 ret
= visit_integer_decl(ctx
, &node
->u
.integer
.expressions
,
2865 case TYPESPEC_FLOATING_POINT
:
2866 ret
= visit_floating_point_number_decl(ctx
,
2867 &node
->u
.floating_point
.expressions
, (void *) decl
);
2873 case TYPESPEC_STRING
:
2874 ret
= visit_string_decl(ctx
,
2875 &node
->u
.string
.expressions
, (void *) decl
);
2881 case TYPESPEC_STRUCT
:
2882 ret
= visit_struct_decl(ctx
, node
->u
._struct
.name
,
2883 &node
->u
._struct
.declaration_list
,
2884 node
->u
._struct
.has_body
,
2885 &node
->u
._struct
.min_align
, (void *) decl
);
2891 case TYPESPEC_VARIANT
:
2892 ret
= visit_variant_decl(ctx
, node
->u
.variant
.name
,
2893 node
->u
.variant
.choice
,
2894 &node
->u
.variant
.declaration_list
,
2895 node
->u
.variant
.has_body
, (void *) decl
);
2902 ret
= visit_enum_decl(ctx
, node
->u
._enum
.enum_id
,
2903 node
->u
._enum
.container_field_class
,
2904 &node
->u
._enum
.enumerator_list
,
2905 node
->u
._enum
.has_body
, (void *) decl
);
2913 case TYPESPEC_SHORT
:
2916 case TYPESPEC_FLOAT
:
2917 case TYPESPEC_DOUBLE
:
2918 case TYPESPEC_SIGNED
:
2919 case TYPESPEC_UNSIGNED
:
2921 case TYPESPEC_COMPLEX
:
2922 case TYPESPEC_IMAGINARY
:
2923 case TYPESPEC_CONST
:
2924 case TYPESPEC_ID_TYPE
:
2925 ret
= visit_field_class_specifier(ctx
, ts_list
, decl
);
2927 _BT_COMP_LOGE_APPEND_CAUSE_NODE(first
,
2928 "Cannot visit field class specifier: ret=%d",
2935 _BT_COMP_LOGE_APPEND_CAUSE_NODE(first
,
2936 "Unexpected field class specifier type: node-type=%d",
2937 first
->u
.field_class_specifier
.type
);
2946 ctf_field_class_destroy((void *) *decl
);
2952 int visit_event_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
,
2953 struct ctf_event_class
*event_class
, uint64_t *stream_id
,
2959 switch (node
->type
) {
2961 ret
= visit_field_class_def(ctx
, node
->u
.field_class_def
.field_class_specifier_list
,
2962 &node
->u
.field_class_def
.field_class_declarators
);
2964 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
2965 "Cannot add field class found in event class.");
2969 case NODE_TYPEALIAS
:
2970 ret
= visit_field_class_alias(ctx
, node
->u
.field_class_alias
.target
,
2971 node
->u
.field_class_alias
.alias
);
2973 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
2974 "Cannot add field class alias found in event class.");
2978 case NODE_CTF_EXPRESSION
:
2980 left
= ctf_ast_concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
2982 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Cannot concatenate unary strings.");
2987 if (strcmp(left
, "name") == 0) {
2988 /* This is already known at this stage */
2989 if (_IS_SET(set
, _EVENT_NAME_SET
)) {
2990 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "name", "event class");
2995 _SET(set
, _EVENT_NAME_SET
);
2996 } else if (strcmp(left
, "id") == 0) {
2999 if (_IS_SET(set
, _EVENT_ID_SET
)) {
3000 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "id", "event class");
3005 ret
= get_unary_unsigned(ctx
,
3006 &node
->u
.ctf_expression
.right
,
3008 /* Only read "id" if get_unary_unsigned() succeeded. */
3009 if (ret
|| (!ret
&& id
< 0)) {
3010 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3011 "Unexpected unary expression for event class's `id` attribute.");
3016 event_class
->id
= id
;
3017 _SET(set
, _EVENT_ID_SET
);
3018 } else if (strcmp(left
, "stream_id") == 0) {
3019 if (_IS_SET(set
, _EVENT_STREAM_ID_SET
)) {
3020 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "stream_id",
3026 ret
= get_unary_unsigned(ctx
,
3027 &node
->u
.ctf_expression
.right
, stream_id
);
3030 * Only read "stream_id" if get_unary_unsigned()
3034 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3035 "Unexpected unary expression for event class's `stream_id` attribute.");
3040 _SET(set
, _EVENT_STREAM_ID_SET
);
3041 } else if (strcmp(left
, "context") == 0) {
3042 if (_IS_SET(set
, _EVENT_CONTEXT_SET
)) {
3043 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3044 "Duplicate `context` entry in event class.");
3049 ret
= visit_field_class_specifier_list(ctx
,
3050 _BT_LIST_FIRST_ENTRY(
3051 &node
->u
.ctf_expression
.right
,
3052 struct ctf_node
, siblings
),
3053 &event_class
->spec_context_fc
);
3055 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3056 "Cannot create event class's context field class.");
3060 BT_ASSERT(event_class
->spec_context_fc
);
3061 _SET(set
, _EVENT_CONTEXT_SET
);
3062 } else if (strcmp(left
, "fields") == 0) {
3063 if (_IS_SET(set
, _EVENT_FIELDS_SET
)) {
3064 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3065 "Duplicate `fields` entry in event class.");
3070 ret
= visit_field_class_specifier_list(ctx
,
3071 _BT_LIST_FIRST_ENTRY(
3072 &node
->u
.ctf_expression
.right
,
3073 struct ctf_node
, siblings
),
3074 &event_class
->payload_fc
);
3076 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3077 "Cannot create event class's payload field class.");
3081 BT_ASSERT(event_class
->payload_fc
);
3082 _SET(set
, _EVENT_FIELDS_SET
);
3083 } else if (strcmp(left
, "loglevel") == 0) {
3084 uint64_t loglevel_value
;
3085 bool is_log_level_known
= true;
3086 bt_event_class_log_level log_level
= -1;
3088 if (_IS_SET(set
, _EVENT_LOG_LEVEL_SET
)) {
3089 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "loglevel",
3095 ret
= get_unary_unsigned(ctx
,
3096 &node
->u
.ctf_expression
.right
, &loglevel_value
);
3098 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3099 "Unexpected unary expression for event class's `loglevel` attribute.");
3104 switch (loglevel_value
) {
3106 log_level
= BT_EVENT_CLASS_LOG_LEVEL_EMERGENCY
;
3109 log_level
= BT_EVENT_CLASS_LOG_LEVEL_ALERT
;
3112 log_level
= BT_EVENT_CLASS_LOG_LEVEL_CRITICAL
;
3115 log_level
= BT_EVENT_CLASS_LOG_LEVEL_ERROR
;
3118 log_level
= BT_EVENT_CLASS_LOG_LEVEL_WARNING
;
3121 log_level
= BT_EVENT_CLASS_LOG_LEVEL_NOTICE
;
3124 log_level
= BT_EVENT_CLASS_LOG_LEVEL_INFO
;
3127 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_SYSTEM
;
3130 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROGRAM
;
3133 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_PROCESS
;
3136 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_MODULE
;
3139 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_UNIT
;
3142 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_FUNCTION
;
3145 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG_LINE
;
3148 log_level
= BT_EVENT_CLASS_LOG_LEVEL_DEBUG
;
3151 is_log_level_known
= false;
3152 _BT_COMP_LOGW_NODE(node
, "Not setting event class's log level because its value is unknown: "
3153 "log-level=%" PRIu64
, loglevel_value
);
3156 if (is_log_level_known
) {
3157 ctf_event_class_set_log_level(event_class
, log_level
);
3160 _SET(set
, _EVENT_LOG_LEVEL_SET
);
3161 } else if (strcmp(left
, "model.emf.uri") == 0) {
3164 if (_IS_SET(set
, _EVENT_MODEL_EMF_URI_SET
)) {
3165 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "model.emf.uri",
3171 right
= ctf_ast_concatenate_unary_strings(
3172 &node
->u
.ctf_expression
.right
);
3174 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3175 "Unexpected unary expression for event class's `model.emf.uri` attribute.");
3180 if (strlen(right
) == 0) {
3181 _BT_COMP_LOGW_NODE(node
,
3182 "Not setting event class's EMF URI because it's empty.");
3184 g_string_assign(event_class
->emf_uri
,
3189 _SET(set
, _EVENT_MODEL_EMF_URI_SET
);
3191 _BT_COMP_LOGW_NODE(node
,
3192 "Unknown attribute in event class: "
3193 "attr-name=\"%s\"", left
);
3215 char *get_event_decl_name(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
)
3219 struct ctf_node
*iter
;
3220 struct bt_list_head
*decl_list
= &node
->u
.event
.declaration_list
;
3222 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3223 if (iter
->type
!= NODE_CTF_EXPRESSION
) {
3227 left
= ctf_ast_concatenate_unary_strings(&iter
->u
.ctf_expression
.left
);
3229 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
3230 "Cannot concatenate unary strings.");
3234 if (strcmp(left
, "name") == 0) {
3235 name
= ctf_ast_concatenate_unary_strings(
3236 &iter
->u
.ctf_expression
.right
);
3238 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
3239 "Unexpected unary expression for event class's `name` attribute.");
3260 int visit_event_decl(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
)
3264 struct ctf_node
*iter
;
3265 uint64_t stream_id
= 0;
3266 char *event_name
= NULL
;
3267 struct ctf_event_class
*event_class
= NULL
;
3268 struct ctf_stream_class
*stream_class
= NULL
;
3269 struct bt_list_head
*decl_list
= &node
->u
.event
.declaration_list
;
3270 bool pop_scope
= false;
3272 if (node
->visited
) {
3276 node
->visited
= TRUE
;
3277 event_name
= get_event_decl_name(ctx
, node
);
3279 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3280 "Missing `name` attribute in event class.");
3285 event_class
= ctf_event_class_create();
3286 BT_ASSERT(event_class
);
3287 g_string_assign(event_class
->name
, event_name
);
3288 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
3291 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3292 ret
= visit_event_decl_entry(ctx
, iter
, event_class
,
3295 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
, "Cannot visit event class's entry: "
3301 if (!_IS_SET(&set
, _EVENT_STREAM_ID_SET
)) {
3303 * Allow missing stream_id if there is only a single
3306 switch (ctx
->ctf_tc
->stream_classes
->len
) {
3308 /* Create implicit stream class if there's none */
3310 stream_class
= ctf_stream_class_create();
3311 BT_ASSERT(stream_class
);
3312 stream_class
->id
= stream_id
;
3313 g_ptr_array_add(ctx
->ctf_tc
->stream_classes
,
3317 /* Single stream class: get its ID */
3318 stream_class
= ctx
->ctf_tc
->stream_classes
->pdata
[0];
3319 stream_id
= stream_class
->id
;
3322 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3323 "Missing `stream_id` attribute in event class.");
3329 /* We have the stream ID now; get the stream class if found */
3330 if (!stream_class
) {
3331 stream_class
= ctf_trace_class_borrow_stream_class_by_id(
3332 ctx
->ctf_tc
, stream_id
);
3333 if (!stream_class
) {
3334 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3335 "Cannot find stream class at this point: "
3336 "id=%" PRId64
, stream_id
);
3342 BT_ASSERT(stream_class
);
3344 if (!_IS_SET(&set
, _EVENT_ID_SET
)) {
3345 /* Allow only one event without ID per stream */
3346 if (stream_class
->event_classes
->len
!= 0) {
3347 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3348 "Missing `id` attribute in event class.");
3354 event_class
->id
= 0;
3357 if (ctf_stream_class_borrow_event_class_by_id(stream_class
,
3359 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3360 "Duplicate event class (same ID) in the same stream class: "
3361 "id=%" PRId64
, event_class
->id
);
3366 ctf_stream_class_append_event_class(stream_class
, event_class
);
3371 ctf_event_class_destroy(event_class
);
3389 int auto_map_field_to_trace_clock_class(struct ctf_visitor_generate_ir
*ctx
,
3390 struct ctf_field_class
*fc
)
3392 struct ctf_clock_class
*clock_class_to_map_to
= NULL
;
3393 struct ctf_field_class_int
*int_fc
= (void *) fc
;
3395 uint64_t clock_class_count
;
3401 if (fc
->type
!= CTF_FIELD_CLASS_TYPE_INT
&&
3402 fc
->type
!= CTF_FIELD_CLASS_TYPE_ENUM
) {
3406 if (int_fc
->mapped_clock_class
) {
3407 /* Already mapped */
3411 clock_class_count
= ctx
->ctf_tc
->clock_classes
->len
;
3413 switch (clock_class_count
) {
3416 * No clock class exists in the trace at this point. Create an
3417 * implicit one at 1 GHz, named `default`, and use this clock
3420 clock_class_to_map_to
= ctf_clock_class_create();
3421 BT_ASSERT(clock_class_to_map_to
);
3422 clock_class_to_map_to
->frequency
= UINT64_C(1000000000);
3423 g_string_assign(clock_class_to_map_to
->name
, "default");
3424 BT_ASSERT(ret
== 0);
3425 g_ptr_array_add(ctx
->ctf_tc
->clock_classes
,
3426 clock_class_to_map_to
);
3430 * Only one clock class exists in the trace at this point: use
3433 clock_class_to_map_to
= ctx
->ctf_tc
->clock_classes
->pdata
[0];
3437 * Timestamp field not mapped to a clock class and there's more
3438 * than one clock class in the trace: this is an error.
3440 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Timestamp field found with no mapped clock class, "
3441 "but there's more than one clock class in the trace at this point.");
3446 BT_ASSERT(clock_class_to_map_to
);
3447 int_fc
->mapped_clock_class
= clock_class_to_map_to
;
3454 int auto_map_fields_to_trace_clock_class(struct ctf_visitor_generate_ir
*ctx
,
3455 struct ctf_field_class
*root_fc
, const char *field_name
)
3459 struct ctf_field_class_struct
*struct_fc
= (void *) root_fc
;
3460 struct ctf_field_class_variant
*var_fc
= (void *) root_fc
;
3466 if (root_fc
->type
!= CTF_FIELD_CLASS_TYPE_STRUCT
&&
3467 root_fc
->type
!= CTF_FIELD_CLASS_TYPE_VARIANT
) {
3471 if (root_fc
->type
== CTF_FIELD_CLASS_TYPE_STRUCT
) {
3472 count
= struct_fc
->members
->len
;
3474 count
= var_fc
->options
->len
;
3477 for (i
= 0; i
< count
; i
++) {
3478 struct ctf_named_field_class
*named_fc
= NULL
;
3480 if (root_fc
->type
== CTF_FIELD_CLASS_TYPE_STRUCT
) {
3481 named_fc
= ctf_field_class_struct_borrow_member_by_index(
3483 } else if (root_fc
->type
== CTF_FIELD_CLASS_TYPE_VARIANT
) {
3484 named_fc
= ctf_field_class_variant_borrow_option_by_index(
3490 if (strcmp(named_fc
->name
->str
, field_name
) == 0) {
3491 ret
= auto_map_field_to_trace_clock_class(ctx
,
3494 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot automatically map field to trace's clock class: "
3495 "field-name=\"%s\"", field_name
);
3500 ret
= auto_map_fields_to_trace_clock_class(ctx
, named_fc
->fc
,
3503 _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE("Cannot automatically map structure or variant field class's fields to trace's clock class: "
3504 "field-name=\"%s\", root-field-name=\"%s\"",
3505 field_name
, named_fc
->name
->str
);
3515 int visit_stream_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
,
3516 struct ctf_stream_class
*stream_class
, int *set
)
3521 switch (node
->type
) {
3523 ret
= visit_field_class_def(ctx
, node
->u
.field_class_def
.field_class_specifier_list
,
3524 &node
->u
.field_class_def
.field_class_declarators
);
3526 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3527 "Cannot add field class found in stream class.");
3531 case NODE_TYPEALIAS
:
3532 ret
= visit_field_class_alias(ctx
, node
->u
.field_class_alias
.target
,
3533 node
->u
.field_class_alias
.alias
);
3535 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3536 "Cannot add field class alias found in stream class.");
3540 case NODE_CTF_EXPRESSION
:
3542 left
= ctf_ast_concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
3544 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Cannot concatenate unary strings.");
3549 if (strcmp(left
, "id") == 0) {
3552 if (_IS_SET(set
, _STREAM_ID_SET
)) {
3553 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "id",
3554 "stream declaration");
3559 ret
= get_unary_unsigned(ctx
,
3560 &node
->u
.ctf_expression
.right
,
3563 /* Only read "id" if get_unary_unsigned() succeeded. */
3564 if (ret
|| (!ret
&& id
< 0)) {
3565 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3566 "Unexpected unary expression for stream class's `id` attribute.");
3571 if (ctf_trace_class_borrow_stream_class_by_id(
3573 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3574 "Duplicate stream class (same ID): id=%" PRId64
,
3580 stream_class
->id
= id
;
3581 _SET(set
, _STREAM_ID_SET
);
3582 } else if (strcmp(left
, "event.header") == 0) {
3583 if (_IS_SET(set
, _STREAM_EVENT_HEADER_SET
)) {
3584 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3585 "Duplicate `event.header` entry in stream class.");
3590 ret
= visit_field_class_specifier_list(ctx
,
3591 _BT_LIST_FIRST_ENTRY(
3592 &node
->u
.ctf_expression
.right
,
3593 struct ctf_node
, siblings
),
3594 &stream_class
->event_header_fc
);
3596 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3597 "Cannot create stream class's event header field class.");
3601 BT_ASSERT(stream_class
->event_header_fc
);
3602 ret
= auto_map_fields_to_trace_clock_class(ctx
,
3603 stream_class
->event_header_fc
, "timestamp");
3605 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3606 "Cannot automatically map specific event header field class fields named `timestamp` to trace's clock class.");
3610 _SET(set
, _STREAM_EVENT_HEADER_SET
);
3611 } else if (strcmp(left
, "event.context") == 0) {
3612 if (_IS_SET(set
, _STREAM_EVENT_CONTEXT_SET
)) {
3613 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3614 "Duplicate `event.context` entry in stream class.");
3619 ret
= visit_field_class_specifier_list(ctx
,
3620 _BT_LIST_FIRST_ENTRY(
3621 &node
->u
.ctf_expression
.right
,
3622 struct ctf_node
, siblings
),
3623 &stream_class
->event_common_context_fc
);
3625 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3626 "Cannot create stream class's event context field class.");
3630 BT_ASSERT(stream_class
->event_common_context_fc
);
3631 _SET(set
, _STREAM_EVENT_CONTEXT_SET
);
3632 } else if (strcmp(left
, "packet.context") == 0) {
3633 if (_IS_SET(set
, _STREAM_PACKET_CONTEXT_SET
)) {
3634 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3635 "Duplicate `packet.context` entry in stream class.");
3640 ret
= visit_field_class_specifier_list(ctx
,
3641 _BT_LIST_FIRST_ENTRY(
3642 &node
->u
.ctf_expression
.right
,
3643 struct ctf_node
, siblings
),
3644 &stream_class
->packet_context_fc
);
3646 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3647 "Cannot create stream class's packet context field class.");
3651 BT_ASSERT(stream_class
->packet_context_fc
);
3652 ret
= auto_map_fields_to_trace_clock_class(ctx
,
3653 stream_class
->packet_context_fc
,
3656 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3657 "Cannot automatically map specific packet context field class fields named `timestamp_begin` to trace's clock class.");
3661 ret
= auto_map_fields_to_trace_clock_class(ctx
,
3662 stream_class
->packet_context_fc
,
3665 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3666 "Cannot automatically map specific packet context field class fields named `timestamp_end` to trace's clock class.");
3670 _SET(set
, _STREAM_PACKET_CONTEXT_SET
);
3672 _BT_COMP_LOGW_NODE(node
,
3673 "Unknown attribute in stream class: "
3674 "attr-name=\"%s\"", left
);
3695 int visit_stream_decl(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
)
3699 struct ctf_node
*iter
;
3700 struct ctf_stream_class
*stream_class
= NULL
;
3701 struct bt_list_head
*decl_list
= &node
->u
.stream
.declaration_list
;
3703 if (node
->visited
) {
3707 node
->visited
= TRUE
;
3708 stream_class
= ctf_stream_class_create();
3709 BT_ASSERT(stream_class
);
3710 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
3712 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3713 ret
= visit_stream_decl_entry(ctx
, iter
, stream_class
, &set
);
3715 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
3716 "Cannot visit stream class's entry: "
3725 if (_IS_SET(&set
, _STREAM_ID_SET
)) {
3726 /* Check that packet header has `stream_id` field */
3727 struct ctf_named_field_class
*named_fc
= NULL
;
3729 if (!ctx
->ctf_tc
->packet_header_fc
) {
3730 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3731 "Stream class has a `id` attribute, "
3732 "but trace has no packet header field class.");
3737 named_fc
= ctf_field_class_struct_borrow_member_by_name(
3738 (void *) ctx
->ctf_tc
->packet_header_fc
, "stream_id");
3740 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3741 "Stream class has a `id` attribute, "
3742 "but trace's packet header field class has no `stream_id` field.");
3747 if (named_fc
->fc
->type
!= CTF_FIELD_CLASS_TYPE_INT
&&
3748 named_fc
->fc
->type
!= CTF_FIELD_CLASS_TYPE_ENUM
) {
3749 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3750 "Stream class has a `id` attribute, "
3751 "but trace's packet header field class's `stream_id` field is not an integer field class.");
3756 /* Allow only _one_ ID-less stream */
3757 if (ctx
->ctf_tc
->stream_classes
->len
!= 0) {
3758 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3759 "Missing `id` attribute in stream class as there's more than one stream class in the trace.");
3764 /* Automatic ID: 0 */
3765 stream_class
->id
= 0;
3769 * Make sure that this stream class's ID is currently unique in
3772 if (ctf_trace_class_borrow_stream_class_by_id(ctx
->ctf_tc
,
3773 stream_class
->id
)) {
3774 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3775 "Duplicate stream class (same ID): id=%" PRId64
,
3781 g_ptr_array_add(ctx
->ctf_tc
->stream_classes
, stream_class
);
3782 stream_class
= NULL
;
3786 ctf_stream_class_destroy(stream_class
);
3787 stream_class
= NULL
;
3794 int visit_trace_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
,
3801 switch (node
->type
) {
3803 ret
= visit_field_class_def(ctx
, node
->u
.field_class_def
.field_class_specifier_list
,
3804 &node
->u
.field_class_def
.field_class_declarators
);
3806 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3807 "Cannot add field class found in trace (`trace` block).");
3811 case NODE_TYPEALIAS
:
3812 ret
= visit_field_class_alias(ctx
, node
->u
.field_class_alias
.target
,
3813 node
->u
.field_class_alias
.alias
);
3815 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3816 "Cannot add field class alias found in trace (`trace` block).");
3820 case NODE_CTF_EXPRESSION
:
3822 left
= ctf_ast_concatenate_unary_strings(&node
->u
.ctf_expression
.left
);
3824 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Cannot concatenate unary strings.");
3829 if (strcmp(left
, "major") == 0) {
3830 if (_IS_SET(set
, _TRACE_MAJOR_SET
)) {
3831 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "major", "trace");
3836 ret
= get_unary_unsigned(ctx
,
3837 &node
->u
.ctf_expression
.right
, &val
);
3839 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3840 "Unexpected unary expression for trace's `major` attribute.");
3846 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3847 "Invalid trace's `minor` attribute: expecting 1.");
3852 ctx
->ctf_tc
->major
= val
;
3853 _SET(set
, _TRACE_MAJOR_SET
);
3854 } else if (strcmp(left
, "minor") == 0) {
3855 if (_IS_SET(set
, _TRACE_MINOR_SET
)) {
3856 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "minor", "trace");
3861 ret
= get_unary_unsigned(ctx
,
3862 &node
->u
.ctf_expression
.right
, &val
);
3864 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3865 "Unexpected unary expression for trace's `minor` attribute.");
3871 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3872 "Invalid trace's `minor` attribute: expecting 8.");
3877 ctx
->ctf_tc
->minor
= val
;
3878 _SET(set
, _TRACE_MINOR_SET
);
3879 } else if (strcmp(left
, "uuid") == 0) {
3880 if (_IS_SET(set
, _TRACE_UUID_SET
)) {
3881 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "uuid", "trace");
3886 ret
= get_unary_uuid(ctx
,
3887 &node
->u
.ctf_expression
.right
,
3890 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3891 "Invalid trace's `uuid` attribute.");
3895 ctx
->ctf_tc
->is_uuid_set
= true;
3896 _SET(set
, _TRACE_UUID_SET
);
3897 } else if (strcmp(left
, "byte_order") == 0) {
3898 /* Default byte order is already known at this stage */
3899 if (_IS_SET(set
, _TRACE_BYTE_ORDER_SET
)) {
3900 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "byte_order",
3906 BT_ASSERT(ctx
->ctf_tc
->default_byte_order
!= CTF_BYTE_ORDER_UNKNOWN
);
3907 _SET(set
, _TRACE_BYTE_ORDER_SET
);
3908 } else if (strcmp(left
, "packet.header") == 0) {
3909 if (_IS_SET(set
, _TRACE_PACKET_HEADER_SET
)) {
3910 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3911 "Duplicate `packet.header` entry in trace.");
3916 ret
= visit_field_class_specifier_list(ctx
,
3917 _BT_LIST_FIRST_ENTRY(
3918 &node
->u
.ctf_expression
.right
,
3919 struct ctf_node
, siblings
),
3920 &ctx
->ctf_tc
->packet_header_fc
);
3922 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3923 "Cannot create trace's packet header field class.");
3927 BT_ASSERT(ctx
->ctf_tc
->packet_header_fc
);
3928 _SET(set
, _TRACE_PACKET_HEADER_SET
);
3930 _BT_COMP_LOGW_NODE(node
,
3931 "Unknown attribute in stream class: "
3932 "attr-name=\"%s\"", left
);
3940 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Unknown expression in trace.");
3953 int visit_trace_decl(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
)
3957 struct ctf_node
*iter
;
3958 struct bt_list_head
*decl_list
= &node
->u
.trace
.declaration_list
;
3960 if (node
->visited
) {
3964 node
->visited
= TRUE
;
3966 if (ctx
->is_trace_visited
) {
3967 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
, "Duplicate trace (`trace` block).");
3972 _TRY_PUSH_SCOPE_OR_GOTO_ERROR();
3974 bt_list_for_each_entry(iter
, decl_list
, siblings
) {
3975 ret
= visit_trace_decl_entry(ctx
, iter
, &set
);
3977 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
, "Cannot visit trace's entry (`trace` block): "
3986 if (!_IS_SET(&set
, _TRACE_MAJOR_SET
)) {
3987 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3988 "Missing `major` attribute in trace (`trace` block).");
3993 if (!_IS_SET(&set
, _TRACE_MINOR_SET
)) {
3994 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
3995 "Missing `minor` attribute in trace (`trace` block).");
4000 if (!_IS_SET(&set
, _TRACE_BYTE_ORDER_SET
)) {
4001 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4002 "Missing `byte_order` attribute in trace (`trace` block).");
4007 ctx
->is_trace_visited
= true;
4017 int visit_env(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*node
)
4021 struct ctf_node
*entry_node
;
4022 struct bt_list_head
*decl_list
= &node
->u
.env
.declaration_list
;
4024 if (node
->visited
) {
4028 node
->visited
= TRUE
;
4030 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
4031 struct bt_list_head
*right_head
=
4032 &entry_node
->u
.ctf_expression
.right
;
4034 if (entry_node
->type
!= NODE_CTF_EXPRESSION
) {
4035 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4036 "Wrong expression in environment entry: "
4037 "node-type=%d", entry_node
->type
);
4042 left
= ctf_ast_concatenate_unary_strings(
4043 &entry_node
->u
.ctf_expression
.left
);
4045 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4046 "Cannot get environment entry's name.");
4051 if (is_unary_string(right_head
)) {
4052 char *right
= ctf_ast_concatenate_unary_strings(right_head
);
4055 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4056 "Unexpected unary expression for environment entry's value: "
4057 "name=\"%s\"", left
);
4062 if (strcmp(left
, "tracer_name") == 0) {
4063 if (strncmp(right
, "lttng", 5) == 0) {
4064 BT_COMP_LOGI("Detected LTTng trace from `%s` environment value: "
4065 "tracer-name=\"%s\"",
4067 ctx
->is_lttng
= true;
4071 ctf_trace_class_append_env_entry(ctx
->ctf_tc
,
4072 left
, CTF_TRACE_CLASS_ENV_ENTRY_TYPE_STR
,
4075 } else if (is_unary_unsigned(right_head
) ||
4076 is_unary_signed(right_head
)) {
4079 if (is_unary_unsigned(right_head
)) {
4080 ret
= get_unary_unsigned(ctx
, right_head
,
4083 ret
= get_unary_signed(right_head
, &v
);
4086 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4087 "Unexpected unary expression for environment entry's value: "
4088 "name=\"%s\"", left
);
4093 ctf_trace_class_append_env_entry(ctx
->ctf_tc
,
4094 left
, CTF_TRACE_CLASS_ENV_ENTRY_TYPE_INT
,
4097 _BT_COMP_LOGW_NODE(entry_node
,
4098 "Environment entry has unknown type: "
4099 "name=\"%s\"", left
);
4115 int set_trace_byte_order(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*trace_node
)
4120 struct ctf_node
*node
;
4121 struct bt_list_head
*decl_list
= &trace_node
->u
.trace
.declaration_list
;
4123 bt_list_for_each_entry(node
, decl_list
, siblings
) {
4124 if (node
->type
== NODE_CTF_EXPRESSION
) {
4125 struct ctf_node
*right_node
;
4127 left
= ctf_ast_concatenate_unary_strings(
4128 &node
->u
.ctf_expression
.left
);
4130 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4131 "Cannot concatenate unary strings.");
4136 if (strcmp(left
, "byte_order") == 0) {
4137 enum ctf_byte_order bo
;
4139 if (_IS_SET(&set
, _TRACE_BYTE_ORDER_SET
)) {
4140 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(node
, "byte_order",
4146 _SET(&set
, _TRACE_BYTE_ORDER_SET
);
4147 right_node
= _BT_LIST_FIRST_ENTRY(
4148 &node
->u
.ctf_expression
.right
,
4149 struct ctf_node
, siblings
);
4150 bo
= byte_order_from_unary_expr(ctx
,
4152 if (bo
== CTF_BYTE_ORDER_UNKNOWN
) {
4153 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4154 "Invalid `byte_order` attribute in trace (`trace` block): "
4155 "expecting `le`, `be`, or `network`.");
4158 } else if (bo
== CTF_BYTE_ORDER_DEFAULT
) {
4159 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4160 "Invalid `byte_order` attribute in trace (`trace` block): "
4161 "cannot be set to `native` here.");
4166 ctx
->ctf_tc
->default_byte_order
= bo
;
4174 if (!_IS_SET(&set
, _TRACE_BYTE_ORDER_SET
)) {
4175 _BT_COMP_LOGE_APPEND_CAUSE_NODE(trace_node
,
4176 "Missing `byte_order` attribute in trace (`trace` block).");
4189 int visit_clock_decl_entry(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*entry_node
,
4190 struct ctf_clock_class
*clock
, int *set
, int64_t *offset_seconds
,
4191 uint64_t *offset_cycles
)
4196 if (entry_node
->type
!= NODE_CTF_EXPRESSION
) {
4197 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4198 "Unexpected node type: node-type=%d",
4204 left
= ctf_ast_concatenate_unary_strings(&entry_node
->u
.ctf_expression
.left
);
4206 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
, "Cannot concatenate unary strings.");
4211 if (strcmp(left
, "name") == 0) {
4214 if (_IS_SET(set
, _CLOCK_NAME_SET
)) {
4215 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "name", "clock class");
4220 right
= ctf_ast_concatenate_unary_strings(
4221 &entry_node
->u
.ctf_expression
.right
);
4223 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4224 "Unexpected unary expression for clock class's `name` attribute.");
4229 g_string_assign(clock
->name
, right
);
4231 _SET(set
, _CLOCK_NAME_SET
);
4232 } else if (strcmp(left
, "uuid") == 0) {
4235 if (_IS_SET(set
, _CLOCK_UUID_SET
)) {
4236 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "uuid", "clock class");
4241 ret
= get_unary_uuid(ctx
, &entry_node
->u
.ctf_expression
.right
,
4244 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4245 "Invalid clock class's `uuid` attribute.");
4249 clock
->has_uuid
= true;
4250 bt_uuid_copy(clock
->uuid
, uuid
);
4251 _SET(set
, _CLOCK_UUID_SET
);
4252 } else if (strcmp(left
, "description") == 0) {
4255 if (_IS_SET(set
, _CLOCK_DESCRIPTION_SET
)) {
4256 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "description",
4262 right
= ctf_ast_concatenate_unary_strings(
4263 &entry_node
->u
.ctf_expression
.right
);
4265 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4266 "Unexpected unary expression for clock class's `description` attribute.");
4271 g_string_assign(clock
->description
, right
);
4273 _SET(set
, _CLOCK_DESCRIPTION_SET
);
4274 } else if (strcmp(left
, "freq") == 0) {
4275 uint64_t freq
= UINT64_C(-1);
4277 if (_IS_SET(set
, _CLOCK_FREQ_SET
)) {
4278 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "freq", "clock class");
4283 ret
= get_unary_unsigned(ctx
,
4284 &entry_node
->u
.ctf_expression
.right
, &freq
);
4286 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4287 "Unexpected unary expression for clock class's `freq` attribute.");
4292 if (freq
== UINT64_C(-1) || freq
== 0) {
4293 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4294 "Invalid clock class frequency: freq=%" PRIu64
,
4300 clock
->frequency
= freq
;
4301 _SET(set
, _CLOCK_FREQ_SET
);
4302 } else if (strcmp(left
, "precision") == 0) {
4305 if (_IS_SET(set
, _CLOCK_PRECISION_SET
)) {
4306 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "precision",
4312 ret
= get_unary_unsigned(ctx
,
4313 &entry_node
->u
.ctf_expression
.right
, &precision
);
4315 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4316 "Unexpected unary expression for clock class's `precision` attribute.");
4321 clock
->precision
= precision
;
4322 _SET(set
, _CLOCK_PRECISION_SET
);
4323 } else if (strcmp(left
, "offset_s") == 0) {
4324 if (_IS_SET(set
, _CLOCK_OFFSET_S_SET
)) {
4325 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "offset_s",
4331 ret
= get_unary_signed(
4332 &entry_node
->u
.ctf_expression
.right
, offset_seconds
);
4334 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4335 "Unexpected unary expression for clock class's `offset_s` attribute.");
4340 _SET(set
, _CLOCK_OFFSET_S_SET
);
4341 } else if (strcmp(left
, "offset") == 0) {
4342 if (_IS_SET(set
, _CLOCK_OFFSET_SET
)) {
4343 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "offset", "clock class");
4348 ret
= get_unary_unsigned(ctx
,
4349 &entry_node
->u
.ctf_expression
.right
, offset_cycles
);
4351 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4352 "Unexpected unary expression for clock class's `offset` attribute.");
4357 _SET(set
, _CLOCK_OFFSET_SET
);
4358 } else if (strcmp(left
, "absolute") == 0) {
4359 struct ctf_node
*right
;
4361 if (_IS_SET(set
, _CLOCK_ABSOLUTE_SET
)) {
4362 _BT_COMP_LOGE_APPEND_CAUSE_DUP_ATTR(entry_node
, "absolute",
4368 right
= _BT_LIST_FIRST_ENTRY(
4369 &entry_node
->u
.ctf_expression
.right
,
4370 struct ctf_node
, siblings
);
4371 ret
= get_boolean(ctx
, right
);
4373 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4374 "Unexpected unary expression for clock class's `absolute` attribute.");
4379 clock
->is_absolute
= ret
;
4380 _SET(set
, _CLOCK_ABSOLUTE_SET
);
4382 _BT_COMP_LOGW_NODE(entry_node
,
4383 "Unknown attribute in clock class: attr-name=\"%s\"",
4397 uint64_t cycles_from_ns(uint64_t frequency
, uint64_t ns
)
4402 if (frequency
== UINT64_C(1000000000)) {
4405 cycles
= (uint64_t) (((double) ns
* (double) frequency
) / 1e9
);
4412 void calibrate_clock_class_offsets(int64_t *offset_seconds
,
4413 uint64_t *offset_cycles
, uint64_t freq
)
4415 if (*offset_cycles
>= freq
) {
4416 const uint64_t s_in_offset_cycles
= *offset_cycles
/ freq
;
4418 *offset_seconds
+= (int64_t) s_in_offset_cycles
;
4419 *offset_cycles
-= (s_in_offset_cycles
* freq
);
4424 void apply_clock_class_is_absolute(struct ctf_visitor_generate_ir
*ctx
,
4425 struct ctf_clock_class
*clock
)
4427 if (ctx
->decoder_config
.force_clock_class_origin_unix_epoch
) {
4428 clock
->is_absolute
= true;
4435 void apply_clock_class_offset(struct ctf_visitor_generate_ir
*ctx
,
4436 struct ctf_clock_class
*clock
)
4439 int64_t offset_s_to_apply
= ctx
->decoder_config
.clock_class_offset_s
;
4440 uint64_t offset_ns_to_apply
;
4441 int64_t cur_offset_s
;
4442 uint64_t cur_offset_cycles
;
4444 if (ctx
->decoder_config
.clock_class_offset_s
== 0 &&
4445 ctx
->decoder_config
.clock_class_offset_ns
== 0) {
4449 /* Transfer nanoseconds to seconds as much as possible */
4450 if (ctx
->decoder_config
.clock_class_offset_ns
< 0) {
4451 const int64_t abs_ns
= -ctx
->decoder_config
.clock_class_offset_ns
;
4452 const int64_t abs_extra_s
= abs_ns
/ INT64_C(1000000000) + 1;
4453 const int64_t extra_s
= -abs_extra_s
;
4454 const int64_t offset_ns
= ctx
->decoder_config
.clock_class_offset_ns
-
4455 (extra_s
* INT64_C(1000000000));
4457 BT_ASSERT(offset_ns
> 0);
4458 offset_ns_to_apply
= (uint64_t) offset_ns
;
4459 offset_s_to_apply
+= extra_s
;
4461 const int64_t extra_s
= ctx
->decoder_config
.clock_class_offset_ns
/
4462 INT64_C(1000000000);
4463 const int64_t offset_ns
= ctx
->decoder_config
.clock_class_offset_ns
-
4464 (extra_s
* INT64_C(1000000000));
4466 BT_ASSERT(offset_ns
>= 0);
4467 offset_ns_to_apply
= (uint64_t) offset_ns
;
4468 offset_s_to_apply
+= extra_s
;
4471 freq
= clock
->frequency
;
4472 cur_offset_s
= clock
->offset_seconds
;
4473 cur_offset_cycles
= clock
->offset_cycles
;
4476 cur_offset_s
+= offset_s_to_apply
;
4477 cur_offset_cycles
+= cycles_from_ns(freq
, offset_ns_to_apply
);
4480 * Recalibrate offsets because the part in cycles can be greater
4481 * than the frequency at this point.
4483 calibrate_clock_class_offsets(&cur_offset_s
, &cur_offset_cycles
, freq
);
4485 /* Set final offsets */
4486 clock
->offset_seconds
= cur_offset_s
;
4487 clock
->offset_cycles
= cur_offset_cycles
;
4494 int visit_clock_decl(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*clock_node
)
4498 struct ctf_clock_class
*clock
;
4499 struct ctf_node
*entry_node
;
4500 struct bt_list_head
*decl_list
= &clock_node
->u
.clock
.declaration_list
;
4501 const char *clock_class_name
;
4502 int64_t offset_seconds
= 0;
4503 uint64_t offset_cycles
= 0;
4506 if (clock_node
->visited
) {
4510 clock_node
->visited
= TRUE
;
4512 /* CTF 1.8's default frequency for a clock class is 1 GHz */
4513 clock
= ctf_clock_class_create();
4515 _BT_COMP_LOGE_APPEND_CAUSE_NODE(clock_node
,
4516 "Cannot create default clock class.");
4521 bt_list_for_each_entry(entry_node
, decl_list
, siblings
) {
4522 ret
= visit_clock_decl_entry(ctx
, entry_node
, clock
, &set
,
4523 &offset_seconds
, &offset_cycles
);
4525 _BT_COMP_LOGE_APPEND_CAUSE_NODE(entry_node
,
4526 "Cannot visit clock class's entry: ret=%d",
4532 if (!_IS_SET(&set
, _CLOCK_NAME_SET
)) {
4533 _BT_COMP_LOGE_APPEND_CAUSE_NODE(clock_node
,
4534 "Missing `name` attribute in clock class.");
4539 clock_class_name
= clock
->name
->str
;
4540 BT_ASSERT(clock_class_name
);
4541 if (ctx
->is_lttng
&& strcmp(clock_class_name
, "monotonic") == 0) {
4543 * Old versions of LTTng forgot to set its clock class
4544 * as absolute, even if it is. This is important because
4545 * it's a condition to be able to sort messages
4546 * from different sources.
4548 clock
->is_absolute
= true;
4552 * Adjust offsets so that the part in cycles is less than the
4553 * frequency (move to the part in seconds).
4555 freq
= clock
->frequency
;
4556 calibrate_clock_class_offsets(&offset_seconds
, &offset_cycles
, freq
);
4557 BT_ASSERT(offset_cycles
< clock
->frequency
);
4558 clock
->offset_seconds
= offset_seconds
;
4559 clock
->offset_cycles
= offset_cycles
;
4560 apply_clock_class_offset(ctx
, clock
);
4561 apply_clock_class_is_absolute(ctx
, clock
);
4562 g_ptr_array_add(ctx
->ctf_tc
->clock_classes
, clock
);
4567 ctf_clock_class_destroy(clock
);
4574 int visit_root_decl(struct ctf_visitor_generate_ir
*ctx
, struct ctf_node
*root_decl_node
)
4578 if (root_decl_node
->visited
) {
4582 root_decl_node
->visited
= TRUE
;
4584 switch (root_decl_node
->type
) {
4586 ret
= visit_field_class_def(ctx
,
4587 root_decl_node
->u
.field_class_def
.field_class_specifier_list
,
4588 &root_decl_node
->u
.field_class_def
.field_class_declarators
);
4590 _BT_COMP_LOGE_APPEND_CAUSE_NODE(root_decl_node
,
4591 "Cannot add field class found in root scope.");
4595 case NODE_TYPEALIAS
:
4596 ret
= visit_field_class_alias(ctx
, root_decl_node
->u
.field_class_alias
.target
,
4597 root_decl_node
->u
.field_class_alias
.alias
);
4599 _BT_COMP_LOGE_APPEND_CAUSE_NODE(root_decl_node
,
4600 "Cannot add field class alias found in root scope.");
4604 case NODE_TYPE_SPECIFIER_LIST
:
4606 struct ctf_field_class
*decl
= NULL
;
4609 * Just add the field class specifier to the root
4610 * declaration scope. Put local reference.
4612 ret
= visit_field_class_specifier_list(ctx
, root_decl_node
, &decl
);
4614 _BT_COMP_LOGE_APPEND_CAUSE_NODE(root_decl_node
,
4615 "Cannot visit root scope's field class: "
4621 ctf_field_class_destroy(decl
);
4626 _BT_COMP_LOGE_APPEND_CAUSE_NODE(root_decl_node
,
4627 "Unexpected node type: node-type=%d",
4628 root_decl_node
->type
);
4638 struct ctf_visitor_generate_ir
*ctf_visitor_generate_ir_create(
4639 const struct ctf_metadata_decoder_config
*decoder_config
)
4641 struct ctf_visitor_generate_ir
*ctx
= NULL
;
4643 /* Create visitor's context */
4644 ctx
= ctx_create(decoder_config
);
4646 BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR
, decoder_config
->log_level
,
4647 decoder_config
->self_comp
,
4648 "Cannot create visitor's context.");
4663 void ctf_visitor_generate_ir_destroy(struct ctf_visitor_generate_ir
*visitor
)
4665 ctx_destroy(visitor
);
4669 bt_trace_class
*ctf_visitor_generate_ir_get_ir_trace_class(
4670 struct ctf_visitor_generate_ir
*ctx
)
4674 if (ctx
->trace_class
) {
4675 bt_trace_class_get_ref(ctx
->trace_class
);
4678 return ctx
->trace_class
;
4682 struct ctf_trace_class
*ctf_visitor_generate_ir_borrow_ctf_trace_class(
4683 struct ctf_visitor_generate_ir
*ctx
)
4686 BT_ASSERT_DBG(ctx
->ctf_tc
);
4691 int ctf_visitor_generate_ir_visit_node(struct ctf_visitor_generate_ir
*ctx
,
4692 struct ctf_node
*node
)
4696 BT_COMP_LOGI_STR("Visiting metadata's AST to generate CTF IR objects.");
4698 switch (node
->type
) {
4701 struct ctf_node
*iter
;
4702 bool got_trace_decl
= false;
4705 * The first thing we need is the native byte order of
4706 * the trace block, because early class aliases can have
4707 * a `byte_order` attribute set to `native`. If we don't
4708 * have the native byte order yet, and we don't have any
4709 * trace block yet, then fail with EINCOMPLETE.
4711 if (ctx
->ctf_tc
->default_byte_order
== CTF_BYTE_ORDER_UNKNOWN
) {
4712 bt_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
4713 if (got_trace_decl
) {
4714 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4715 "Duplicate trace (`trace` block).");
4720 ret
= set_trace_byte_order(ctx
, iter
);
4722 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4723 "Cannot set trace's native byte order: "
4728 got_trace_decl
= true;
4731 if (!got_trace_decl
) {
4732 BT_COMP_LOGD_STR("Incomplete AST: need trace (`trace` block).");
4738 BT_ASSERT(ctx
->ctf_tc
->default_byte_order
== CTF_BYTE_ORDER_LITTLE
||
4739 ctx
->ctf_tc
->default_byte_order
== CTF_BYTE_ORDER_BIG
);
4740 BT_ASSERT(ctx
->current_scope
&&
4741 !ctx
->current_scope
->parent_scope
);
4744 bt_list_for_each_entry(iter
, &node
->u
.root
.env
, siblings
) {
4745 ret
= visit_env(ctx
, iter
);
4747 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
4748 "Cannot visit trace's environment (`env` block) entry: "
4754 BT_ASSERT(ctx
->current_scope
&&
4755 !ctx
->current_scope
->parent_scope
);
4758 * Visit clock blocks.
4760 bt_list_for_each_entry(iter
, &node
->u
.root
.clock
, siblings
) {
4761 ret
= visit_clock_decl(ctx
, iter
);
4763 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
4764 "Cannot visit clock class: ret=%d",
4770 BT_ASSERT(ctx
->current_scope
&&
4771 !ctx
->current_scope
->parent_scope
);
4774 * Visit root declarations next, as they can be used by any
4777 bt_list_for_each_entry(iter
, &node
->u
.root
.declaration_list
,
4779 ret
= visit_root_decl(ctx
, iter
);
4781 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
4782 "Cannot visit root entry: ret=%d",
4788 BT_ASSERT(ctx
->current_scope
&&
4789 !ctx
->current_scope
->parent_scope
);
4791 /* Callsite blocks are not supported */
4792 bt_list_for_each_entry(iter
, &node
->u
.root
.callsite
, siblings
) {
4793 _BT_COMP_LOGW_NODE(iter
,
4794 "\"callsite\" blocks are not supported as of this version.");
4797 BT_ASSERT(ctx
->current_scope
&&
4798 !ctx
->current_scope
->parent_scope
);
4801 bt_list_for_each_entry(iter
, &node
->u
.root
.trace
, siblings
) {
4802 ret
= visit_trace_decl(ctx
, iter
);
4804 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
4805 "Cannot visit trace (`trace` block): "
4811 BT_ASSERT(ctx
->current_scope
&&
4812 !ctx
->current_scope
->parent_scope
);
4815 bt_list_for_each_entry(iter
, &node
->u
.root
.stream
, siblings
) {
4816 ret
= visit_stream_decl(ctx
, iter
);
4818 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
4819 "Cannot visit stream class: ret=%d",
4825 BT_ASSERT(ctx
->current_scope
&&
4826 !ctx
->current_scope
->parent_scope
);
4829 bt_list_for_each_entry(iter
, &node
->u
.root
.event
, siblings
) {
4830 ret
= visit_event_decl(ctx
, iter
);
4832 _BT_COMP_LOGE_APPEND_CAUSE_NODE(iter
,
4833 "Cannot visit event class: ret=%d",
4839 BT_ASSERT(ctx
->current_scope
&&
4840 !ctx
->current_scope
->parent_scope
);
4844 _BT_COMP_LOGE_APPEND_CAUSE_NODE(node
,
4845 "Unexpected node type: node-type=%d",
4851 /* Update default clock classes */
4852 ret
= ctf_trace_class_update_default_clock_classes(ctx
->ctf_tc
,
4859 /* Update trace class meanings */
4860 ret
= ctf_trace_class_update_meanings(ctx
->ctf_tc
);
4866 /* Update stream class configuration */
4867 ret
= ctf_trace_class_update_stream_class_config(ctx
->ctf_tc
);
4873 /* Update text arrays and sequences */
4874 ret
= ctf_trace_class_update_text_array_sequence(ctx
->ctf_tc
);
4880 /* Update structure/array/sequence alignments */
4881 ret
= ctf_trace_class_update_alignments(ctx
->ctf_tc
);
4887 /* Resolve sequence lengths and variant tags */
4888 ret
= ctf_trace_class_resolve_field_classes(ctx
->ctf_tc
, &ctx
->log_cfg
);
4894 if (ctx
->trace_class
) {
4896 * Update "in IR" for field classes.
4898 * If we have no IR trace class, then we'll have no way
4899 * to create IR fields anyway, so we leave all the
4900 * `in_ir` members false.
4902 ret
= ctf_trace_class_update_in_ir(ctx
->ctf_tc
);
4909 /* Update saved value indexes */
4910 ret
= ctf_trace_class_update_value_storing_indexes(ctx
->ctf_tc
);
4916 /* Validate what we have so far */
4917 ret
= ctf_trace_class_validate(ctx
->ctf_tc
, &ctx
->log_cfg
);
4924 * If there are fields which are not related to the CTF format
4925 * itself in the packet header and in event header field
4926 * classes, warn about it because they are never translated.
4928 ctf_trace_class_warn_meaningless_header_fields(ctx
->ctf_tc
,
4931 if (ctx
->trace_class
) {
4932 /* Copy new CTF metadata -> new IR metadata */
4933 ret
= ctf_trace_class_translate(ctx
->log_cfg
.self_comp
,
4934 ctx
->trace_class
, ctx
->ctf_tc
);