lib: make BT_ASSERT_{PRE,POST}() always on; add BT_ASSERT_{PRE,POST}_DEV()
[babeltrace.git] / src / lib / trace-ir / field-path.c
1 /*
2 * Copyright 2016-2018 Philippe Proulx <pproulx@efficios.com>
3 * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #define BT_LOG_TAG "LIB/FIELD-PATH"
25 #include "lib/logging.h"
26
27 #include "lib/assert-pre.h"
28 #include <babeltrace2/trace-ir/field-class.h>
29 #include <babeltrace2/trace-ir/field-path-const.h>
30 #include <limits.h>
31 #include <stdint.h>
32 #include <inttypes.h>
33 #include "common/assert.h"
34 #include <glib.h>
35
36 #include "field-class.h"
37 #include "field-path.h"
38
39 static
40 void destroy_field_path(struct bt_object *obj)
41 {
42 struct bt_field_path *field_path = (struct bt_field_path *) obj;
43
44 BT_ASSERT(field_path);
45 BT_LIB_LOGD("Destroying field path: %!+P", field_path);
46 g_array_free(field_path->items, TRUE);
47 field_path->items = NULL;
48 g_free(field_path);
49 }
50
51 BT_HIDDEN
52 struct bt_field_path *bt_field_path_create(void)
53 {
54 struct bt_field_path *field_path = NULL;
55
56 BT_LOGD_STR("Creating empty field path object.");
57
58 field_path = g_new0(struct bt_field_path, 1);
59 if (!field_path) {
60 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one field path.");
61 goto error;
62 }
63
64 bt_object_init_shared(&field_path->base, destroy_field_path);
65 field_path->items = g_array_new(FALSE, FALSE,
66 sizeof(struct bt_field_path_item));
67 if (!field_path->items) {
68 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GArray.");
69 goto error;
70 }
71
72 BT_LIB_LOGD("Created empty field path object: %!+P", field_path);
73 goto end;
74
75 error:
76 BT_OBJECT_PUT_REF_AND_RESET(field_path);
77
78 end:
79 return field_path;
80 }
81
82 enum bt_scope bt_field_path_get_root_scope(
83 const struct bt_field_path *field_path)
84 {
85 BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path");
86 return field_path->root;
87 }
88
89 uint64_t bt_field_path_get_item_count(const struct bt_field_path *field_path)
90 {
91 BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path");
92 return (uint64_t) field_path->items->len;
93 }
94
95 const struct bt_field_path_item *bt_field_path_borrow_item_by_index_const(
96 const struct bt_field_path *field_path, uint64_t index)
97 {
98 BT_ASSERT_PRE_DEV_NON_NULL(field_path, "Field path");
99 BT_ASSERT_PRE_DEV_VALID_INDEX(index, field_path->items->len);
100 return bt_field_path_borrow_item_by_index_inline(field_path, index);
101 }
102
103 enum bt_field_path_item_type bt_field_path_item_get_type(
104 const struct bt_field_path_item *field_path_item)
105 {
106 BT_ASSERT_PRE_DEV_NON_NULL(field_path_item, "Field path item");
107 return field_path_item->type;
108 }
109
110 uint64_t bt_field_path_item_index_get_index(
111 const struct bt_field_path_item *field_path_item)
112 {
113 BT_ASSERT_PRE_DEV_NON_NULL(field_path_item, "Field path item");
114 BT_ASSERT_PRE_DEV(field_path_item->type == BT_FIELD_PATH_ITEM_TYPE_INDEX,
115 "Field path item is not an index field path item: "
116 "addr=%p, type=%s", field_path_item,
117 bt_field_path_item_type_string(field_path_item->type));
118 return field_path_item->index;
119 }
120
121 void bt_field_path_get_ref(const struct bt_field_path *field_path)
122 {
123 bt_object_get_ref(field_path);
124 }
125
126 void bt_field_path_put_ref(const struct bt_field_path *field_path)
127 {
128 bt_object_put_ref(field_path);
129 }
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