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lib: use powers of two for object type enumerators
[babeltrace.git] / src / lib / trace-ir / field.c
diff --git a/src/lib/trace-ir/field.c b/src/lib/trace-ir/field.c
index ca7dbb20d64f32dd3635d40fba729b2c204b1d75..0b8529b28be98afe61ea70c7e3fbe07c6a3c81a7 100644 (file)
--- a/src/lib/trace-ir/field.c
+++ b/src/lib/trace-ir/field.c
@@ -163,6 +163,7 @@ struct bt_field *create_string_field(struct bt_field_class *);
 
 static
 struct bt_field *create_structure_field(struct bt_field_class *);
+
 static
 struct bt_field *create_static_array_field(struct bt_field_class *);
 
@@ -175,30 +176,6 @@ struct bt_field *create_option_field(struct bt_field_class *);
 static
 struct bt_field *create_variant_field(struct bt_field_class *);
 
-static
-struct bt_field *(* const field_create_funcs[])(struct bt_field_class *) = {
-       [BT_FIELD_CLASS_TYPE_BOOL]                                      = create_bool_field,
-       [BT_FIELD_CLASS_TYPE_BIT_ARRAY]                                 = create_bit_array_field,
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER]                          = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_INTEGER]                            = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION]                      = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION]                        = create_integer_field,
-       [BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL]                     = create_real_field,
-       [BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL]                     = create_real_field,
-       [BT_FIELD_CLASS_TYPE_STRING]                                    = create_string_field,
-       [BT_FIELD_CLASS_TYPE_STRUCTURE]                                 = create_structure_field,
-       [BT_FIELD_CLASS_TYPE_STATIC_ARRAY]                              = create_static_array_field,
-       [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD]        = create_dynamic_array_field,
-       [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD]           = create_dynamic_array_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD]                     = create_option_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD]                   = create_option_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD]       = create_option_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD] = create_option_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD]                    = create_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD]      = create_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD]        = create_variant_field,
-};
-
 static
 void destroy_bool_field(struct bt_field *field);
 
@@ -226,30 +203,6 @@ void destroy_option_field(struct bt_field *field);
 static
 void destroy_variant_field(struct bt_field *field);
 
-static
-void (* const field_destroy_funcs[])(struct bt_field *) = {
-       [BT_FIELD_CLASS_TYPE_BOOL]                                      = destroy_bool_field,
-       [BT_FIELD_CLASS_TYPE_BIT_ARRAY]                                 = destroy_bit_array_field,
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER]                          = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_INTEGER]                            = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION]                      = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION]                        = destroy_integer_field,
-       [BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL]                     = destroy_real_field,
-       [BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL]                     = destroy_real_field,
-       [BT_FIELD_CLASS_TYPE_STRING]                                    = destroy_string_field,
-       [BT_FIELD_CLASS_TYPE_STRUCTURE]                                 = destroy_structure_field,
-       [BT_FIELD_CLASS_TYPE_STATIC_ARRAY]                              = destroy_array_field,
-       [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD]        = destroy_array_field,
-       [BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD]           = destroy_array_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD]                     = destroy_option_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD]                   = destroy_option_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD]       = destroy_option_field,
-       [BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD] = destroy_option_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD]                    = destroy_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD]      = destroy_variant_field,
-       [BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD]        = destroy_variant_field,
-};
-
 struct bt_field_class *bt_field_borrow_class(struct bt_field *field)
 {
        BT_ASSERT_PRE_DEV_NON_NULL(field, "Field");
@@ -275,7 +228,52 @@ struct bt_field *bt_field_create(struct bt_field_class *fc)
        struct bt_field *field = NULL;
 
        BT_ASSERT(fc);
-       field = field_create_funcs[fc->type](fc);
+
+       switch (fc->type) {
+       case BT_FIELD_CLASS_TYPE_BOOL:
+               field = create_bool_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
+               field = create_bit_array_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
+               field = create_integer_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
+       case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
+               field = create_real_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRING:
+               field = create_string_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRUCTURE:
+               field = create_structure_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
+               field = create_static_array_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD:
+               field = create_dynamic_array_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               field = create_option_field(fc);
+               break;
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               field = create_variant_field(fc);
+               break;
+       default:
+               abort();
+       }
+
        if (!field) {
                BT_LIB_LOGE_APPEND_CAUSE("Cannot create field object from field class: "
                        "%![fc-]+F", fc);
@@ -1325,7 +1323,49 @@ BT_HIDDEN
 void bt_field_destroy(struct bt_field *field)
 {
        BT_ASSERT(field);
-       field_destroy_funcs[field->class->type](field);
+
+       switch (field->class->type) {
+       case BT_FIELD_CLASS_TYPE_BOOL:
+               destroy_bool_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
+               destroy_bit_array_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
+               destroy_integer_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
+       case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
+               destroy_real_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRING:
+               destroy_string_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_STRUCTURE:
+               destroy_structure_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD:
+               destroy_array_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               destroy_option_field(field);
+               break;
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR_FIELD:
+       case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR_FIELD:
+               destroy_variant_field(field);
+               break;
+       default:
+               abort();
+       }
 }
 
 static
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