lib: use powers of two for object type enumerators

[babeltrace.git] / include / babeltrace2 / trace-ir / field-class-const.h

diff --git a/include/babeltrace2/trace-ir/field-class-const.h b/include/babeltrace2/trace-ir/field-class-const.h
index f88a007e8f17d112e426acb5232ddb5e25237216..2a5c88d64ee28b5cfeefb14685dcab8fab6510bc 100644 (file)
--- a/include/babeltrace2/trace-ir/field-class-const.h
+++ b/include/babeltrace2/trace-ir/field-class-const.h
@@ -37,26 +37,45 @@ extern "C" {
 #endif
 
 typedef enum bt_field_class_type {
-       BT_FIELD_CLASS_TYPE_BOOL                                                = 0,
-       BT_FIELD_CLASS_TYPE_BIT_ARRAY                                           = 1,
-       BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER                                    = 2,
-       BT_FIELD_CLASS_TYPE_SIGNED_INTEGER                                      = 3,
-       BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION                                = 4,
-       BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION                                  = 5,
-       BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL                               = 6,
-       BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL                               = 7,
-       BT_FIELD_CLASS_TYPE_STRING                                              = 8,
-       BT_FIELD_CLASS_TYPE_STRUCTURE                                           = 9,
-       BT_FIELD_CLASS_TYPE_STATIC_ARRAY                                        = 10,
-       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD                  = 11,
-       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD                     = 12,
-       BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD                       = 13,
-       BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD                     = 14,
-       BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD         = 15,
-       BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD           = 16,
-       BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD                      = 17,
-       BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD        = 18,
-       BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD          = 19,
+       BT_FIELD_CLASS_TYPE_BOOL                                                = 1ULL << 0,
+       BT_FIELD_CLASS_TYPE_BIT_ARRAY                                           = 1ULL << 1,
+       BT_FIELD_CLASS_TYPE_INTEGER                                             = 1ULL << 2,
+       BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER                                    = (1ULL << 3) | BT_FIELD_CLASS_TYPE_INTEGER,
+       BT_FIELD_CLASS_TYPE_SIGNED_INTEGER                                      = (1ULL << 4) | BT_FIELD_CLASS_TYPE_INTEGER,
+       BT_FIELD_CLASS_TYPE_ENUMERATION                                         = 1ULL << 5,
+       BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION                                = BT_FIELD_CLASS_TYPE_ENUMERATION | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER,
+       BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION                                  = BT_FIELD_CLASS_TYPE_ENUMERATION | BT_FIELD_CLASS_TYPE_SIGNED_INTEGER,
+       BT_FIELD_CLASS_TYPE_REAL                                                = 1ULL << 6,
+       BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL                               = (1ULL << 7) | BT_FIELD_CLASS_TYPE_REAL,
+       BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL                               = (1ULL << 8) | BT_FIELD_CLASS_TYPE_REAL,
+       BT_FIELD_CLASS_TYPE_STRING                                              = 1ULL << 9,
+       BT_FIELD_CLASS_TYPE_STRUCTURE                                           = 1ULL << 10,
+       BT_FIELD_CLASS_TYPE_ARRAY                                               = 1ULL << 11,
+       BT_FIELD_CLASS_TYPE_STATIC_ARRAY                                        = (1ULL << 12) | BT_FIELD_CLASS_TYPE_ARRAY,
+       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY                                       = (1ULL << 13) | BT_FIELD_CLASS_TYPE_ARRAY,
+       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD                  = (1ULL << 14) | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY,
+       BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD                     = (1ULL << 15) | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY,
+       BT_FIELD_CLASS_TYPE_OPTION                                              = 1ULL << 16,
+       BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD                       = (1ULL << 17) | BT_FIELD_CLASS_TYPE_OPTION,
+       BT_FIELD_CLASS_TYPE_OPTION_WITH_SELECTOR_FIELD                          = (1ULL << 18) | BT_FIELD_CLASS_TYPE_OPTION,
+       BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD                     = (1ULL << 19) | BT_FIELD_CLASS_TYPE_OPTION_WITH_SELECTOR_FIELD,
+       BT_FIELD_CLASS_TYPE_OPTION_WITH_INTEGER_SELECTOR_FIELD                  = (1ULL << 20) | BT_FIELD_CLASS_TYPE_OPTION_WITH_SELECTOR_FIELD,
+       BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD         = (1ULL << 21) | BT_FIELD_CLASS_TYPE_OPTION_WITH_INTEGER_SELECTOR_FIELD,
+       BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD           = (1ULL << 22) | BT_FIELD_CLASS_TYPE_OPTION_WITH_INTEGER_SELECTOR_FIELD,
+       BT_FIELD_CLASS_TYPE_VARIANT                                             = 1ULL << 23,
+       BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD                      = (1ULL << 24) | BT_FIELD_CLASS_TYPE_VARIANT,
+       BT_FIELD_CLASS_TYPE_VARIANT_WITH_SELECTOR_FIELD                         = (1ULL << 25) | BT_FIELD_CLASS_TYPE_VARIANT,
+       BT_FIELD_CLASS_TYPE_VARIANT_WITH_INTEGER_SELECTOR_FIELD                 = (1ULL << 26) | BT_FIELD_CLASS_TYPE_VARIANT_WITH_SELECTOR_FIELD,
+       BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD        = (1ULL << 27) | BT_FIELD_CLASS_TYPE_VARIANT_WITH_INTEGER_SELECTOR_FIELD,
+       BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD          = (1ULL << 28) | BT_FIELD_CLASS_TYPE_VARIANT_WITH_INTEGER_SELECTOR_FIELD,
+
+       /*
+        * Make sure the enumeration type is a 64-bit integer in case
+        * the project needs field class types in the future.
+        *
+        * This is not part of the API.
+        */
+       __BT_FIELD_CLASS_TYPE_BIG_VALUE                                         = 1ULL << 62,
 } bt_field_class_type;
 
 typedef enum bt_field_class_integer_preferred_display_base {
@@ -69,6 +88,13 @@ typedef enum bt_field_class_integer_preferred_display_base {
 extern bt_field_class_type bt_field_class_get_type(
                const bt_field_class *field_class);
 
+static inline
+bt_bool bt_field_class_type_is(const bt_field_class_type type,
+               const bt_field_class_type type_to_check)
+{
+       return (type & type_to_check) == type_to_check;
+}
+
 extern const bt_value *bt_field_class_borrow_user_attributes_const(
                const bt_field_class *field_class);