include/babeltrace2/trace-ir/field-class-const.h

   1 #ifndef BABELTRACE_TRACE_IR_FIELD_CLASSES_CONST_H
   2 #define BABELTRACE_TRACE_IR_FIELD_CLASSES_CONST_H
   3
   4 /*
   5  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   6  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a copy
   9  * of this software and associated documentation files (the "Software"), to deal
  10  * in the Software without restriction, including without limitation the rights
  11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  12  * copies of the Software, and to permit persons to whom the Software is
  13  * furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  24  * SOFTWARE.
  25  *
  26  * The Common Trace Format (CTF) Specification is available at
  27  * http://www.efficios.com/ctf
  28  */
  29
  30 /*
  31  * For bt_bool, bt_field_class, bt_field_path,
  32  * bt_field_class_enumeration_mapping,
  33  * bt_field_class_unsigned_enumeration_mapping,
  34  * bt_field_class_signed_enumeration_mapping,
  35  * bt_field_class_enumeration_mapping_label_array, __BT_UPCAST_CONST
  36  */
  37 #include <babeltrace2/types.h>
  38
  39 #include <stdint.h>
  40 #include <stddef.h>
  41
  42 /* For __BT_FUNC_STATUS_* */
  43 #define __BT_FUNC_STATUS_ENABLE
  44 #include <babeltrace2/func-status.h>
  45 #undef __BT_FUNC_STATUS_ENABLE
  46
  47 #ifdef __cplusplus
  48 extern "C" {
  49 #endif
  50
  51 typedef enum bt_field_class_type {
  52         BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER,
  53         BT_FIELD_CLASS_TYPE_SIGNED_INTEGER,
  54         BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION,
  55         BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION,
  56         BT_FIELD_CLASS_TYPE_REAL,
  57         BT_FIELD_CLASS_TYPE_STRING,
  58         BT_FIELD_CLASS_TYPE_STRUCTURE,
  59         BT_FIELD_CLASS_TYPE_STATIC_ARRAY,
  60         BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY,
  61         BT_FIELD_CLASS_TYPE_VARIANT,
  62 } bt_field_class_type;
  63
  64 typedef enum bt_field_class_integer_preferred_display_base {
  65         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY,
  66         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL,
  67         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL,
  68         BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL,
  69 } bt_field_class_integer_preferred_display_base;
  70
  71 extern bt_field_class_type bt_field_class_get_type(
  72                 const bt_field_class *field_class);
  73
  74 extern uint64_t bt_field_class_integer_get_field_value_range(
  75                 const bt_field_class *field_class);
  76
  77 extern bt_field_class_integer_preferred_display_base
  78 bt_field_class_integer_get_preferred_display_base(
  79                 const bt_field_class *field_class);
  80
  81 extern bt_bool bt_field_class_real_is_single_precision(
  82                 const bt_field_class *field_class);
  83
  84 extern uint64_t bt_field_class_enumeration_get_mapping_count(
  85                 const bt_field_class *field_class);
  86
  87 extern const bt_field_class_unsigned_enumeration_mapping *
  88 bt_field_class_unsigned_enumeration_borrow_mapping_by_index_const(
  89                 const bt_field_class *field_class, uint64_t index);
  90
  91 extern const bt_field_class_signed_enumeration_mapping *
  92 bt_field_class_signed_enumeration_borrow_mapping_by_index_const(
  93                 const bt_field_class *field_class, uint64_t index);
  94
  95 static inline
  96 const bt_field_class_enumeration_mapping *
  97 bt_field_class_unsigned_enumeration_mapping_as_mapping_const(
  98                 const bt_field_class_unsigned_enumeration_mapping *mapping)
  99 {
 100         return __BT_UPCAST_CONST(bt_field_class_enumeration_mapping, mapping);
 101 }
 102
 103 static inline
 104 const bt_field_class_enumeration_mapping *
 105 bt_field_class_signed_enumeration_mapping_as_mapping_const(
 106                 const bt_field_class_signed_enumeration_mapping *mapping)
 107 {
 108         return __BT_UPCAST_CONST(bt_field_class_enumeration_mapping, mapping);
 109 }
 110
 111 extern const char *bt_field_class_enumeration_mapping_get_label(
 112                 const bt_field_class_enumeration_mapping *mapping);
 113
 114 extern uint64_t bt_field_class_enumeration_mapping_get_range_count(
 115                 const bt_field_class_enumeration_mapping *mapping);
 116
 117 extern void
 118 bt_field_class_unsigned_enumeration_mapping_get_range_by_index(
 119                 const bt_field_class_unsigned_enumeration_mapping *mapping,
 120                 uint64_t index, uint64_t *lower, uint64_t *upper);
 121
 122 extern void
 123 bt_field_class_signed_enumeration_mapping_get_range_by_index(
 124                 const bt_field_class_signed_enumeration_mapping *mapping,
 125                 uint64_t index, int64_t *lower, int64_t *upper);
 126
 127 typedef enum bt_field_class_enumeration_get_mapping_labels_by_value_status {
 128         BT_FIELD_CLASS_ENUMERATION_GET_MAPPING_LABELS_BY_VALUE_STATUS_MEMORY_ERROR      = __BT_FUNC_STATUS_MEMORY_ERROR,
 129         BT_FIELD_CLASS_ENUMERATION_GET_MAPPING_LABELS_BY_VALUE_STATUS_OK                = __BT_FUNC_STATUS_OK,
 130 } bt_field_class_enumeration_get_mapping_labels_by_value_status;
 131
 132 extern bt_field_class_enumeration_get_mapping_labels_by_value_status
 133 bt_field_class_unsigned_enumeration_get_mapping_labels_by_value(
 134                 const bt_field_class *field_class, uint64_t value,
 135                 bt_field_class_enumeration_mapping_label_array *label_array,
 136                 uint64_t *count);
 137
 138 extern bt_field_class_enumeration_get_mapping_labels_by_value_status
 139 bt_field_class_signed_enumeration_get_mapping_labels_by_value(
 140                 const bt_field_class *field_class, int64_t value,
 141                 bt_field_class_enumeration_mapping_label_array *label_array,
 142                 uint64_t *count);
 143
 144 extern uint64_t bt_field_class_structure_get_member_count(
 145                 const bt_field_class *field_class);
 146
 147 extern const bt_field_class_structure_member *
 148 bt_field_class_structure_borrow_member_by_index_const(
 149                 const bt_field_class *field_class, uint64_t index);
 150
 151 extern const bt_field_class_structure_member *
 152 bt_field_class_structure_borrow_member_by_name_const(
 153                 const bt_field_class *field_class, const char *name);
 154
 155 extern const char *bt_field_class_structure_member_get_name(
 156                 const bt_field_class_structure_member *member);
 157
 158 extern const bt_field_class *
 159 bt_field_class_structure_member_borrow_field_class_const(
 160                 const bt_field_class_structure_member *member);
 161
 162 extern const bt_field_class *
 163 bt_field_class_array_borrow_element_field_class_const(
 164                 const bt_field_class *field_class);
 165
 166 extern uint64_t bt_field_class_static_array_get_length(
 167                 const bt_field_class *field_class);
 168
 169 extern const bt_field_path *
 170 bt_field_class_dynamic_array_borrow_length_field_path_const(
 171                 const bt_field_class *field_class);
 172
 173 extern const bt_field_path *
 174 bt_field_class_variant_borrow_selector_field_path_const(
 175                 const bt_field_class *field_class);
 176
 177 extern uint64_t bt_field_class_variant_get_option_count(
 178                 const bt_field_class *field_class);
 179
 180 extern const bt_field_class_variant_option *
 181 bt_field_class_variant_borrow_option_by_index_const(
 182                 const bt_field_class *field_class, uint64_t index);
 183
 184 extern const bt_field_class_variant_option *
 185 bt_field_class_variant_borrow_option_by_name_const(
 186                 const bt_field_class *field_class, const char *name);
 187
 188 extern const char *bt_field_class_variant_option_get_name(
 189                 const bt_field_class_variant_option *option);
 190
 191 extern const bt_field_class *
 192 bt_field_class_variant_option_borrow_field_class_const(
 193                 const bt_field_class_variant_option *option);
 194
 195 extern void bt_field_class_get_ref(const bt_field_class *field_class);
 196
 197 extern void bt_field_class_put_ref(const bt_field_class *field_class);
 198
 199 #define BT_FIELD_CLASS_PUT_REF_AND_RESET(_var)          \
 200         do {                                            \
 201                 bt_field_class_put_ref(_var);           \
 202                 (_var) = NULL;                          \
 203         } while (0)
 204
 205 #define BT_FIELD_CLASS_MOVE_REF(_var_dst, _var_src)     \
 206         do {                                            \
 207                 bt_field_class_put_ref(_var_dst);       \
 208                 (_var_dst) = (_var_src);                \
 209                 (_var_src) = NULL;                      \
 210         } while (0)
 211
 212
 213 #ifdef __cplusplus
 214 }
 215 #endif
 216
 217 #include <babeltrace2/undef-func-status.h>
 218
 219 #endif /* BABELTRACE_TRACE_IR_FIELD_CLASSES_CONST_H */