Rename: type_class, type -> type, declaration
[babeltrace.git] / types / variant.c
index 76573085d72510d547348ba2e533e968c0c03385..87cf9632a8a4b868602f92bb6c4e3e4d3375bf02 100644 (file)
 
 
 static
-struct type *variant_type_new(struct type_class *type_class,
-                             struct declaration_scope *parent_scope);
+struct declaration *_variant_declaration_new(struct type *type,
+                               struct declaration_scope *parent_scope);
 static
-void variant_type_free(struct type *type);
+void _variant_declaration_free(struct declaration *declaration);
 
 void variant_copy(struct stream_pos *dest, const struct format *fdest, 
                  struct stream_pos *src, const struct format *fsrc,
-                 struct type *type)
+                 struct declaration *declaration)
 {
-       struct type_variant *variant = container_of(type, struct type_variant,
-                                                   p);
-       struct type_class_variant *variant_class = variant->_class;
+       struct declaration_variant *variant =
+               container_of(declaration, struct declaration_variant, p);
+       struct type_variant *variant_type = variant->type;
        struct field *field;
-       struct type_class *field_class;
+       struct type *field_type;
        unsigned long i;
 
-       fsrc->variant_begin(src, variant_class);
-       fdest->variant_begin(dest, variant_class);
+       fsrc->variant_begin(src, variant_type);
+       fdest->variant_begin(dest, variant_type);
 
-       field = variant_type_get_current_field(variant);
-       field_class = field->type->p._class;
-       field_class->copy(dest, fdest, src, fsrc, &field->type->p);
+       field = variant_get_current_field(variant);
+       field_type = field->type->p.type;
+       field_type->copy(dest, fdest, src, fsrc, &field->type->p);
 
-       fsrc->variant_end(src, variant_class);
-       fdest->variant_end(dest, variant_class);
+       fsrc->variant_end(src, variant_type);
+       fdest->variant_end(dest, variant_type);
 }
 
 static
-void variant_type_class_free(struct type_class *type_class)
+void _variant_type_free(struct type *type)
 {
-       struct type_class_variant *variant_class =
-               container_of(type_class, struct type_class_variant, p);
+       struct type_variant *variant_type =
+               container_of(type, struct type_variant, p);
        unsigned long i;
 
-       g_hash_table_destroy(struct_class->fields_by_tag);
+       g_hash_table_destroy(variant_type->fields_by_tag);
 
-       for (i = 0; i < variant_class->fields->len; i++) {
-               struct field *type_class_field =
-                       &g_array_index(variant_class->fields,
-                                      struct type_class_field, i);
-               type_class_unref(field->type_class);
+       for (i = 0; i < variant_type->fields->len; i++) {
+               struct field *type_field =
+                       &g_array_index(variant_type->fields,
+                                      struct type_field, i);
+               type_unref(field->type);
        }
-       g_array_free(variant_class->fields, true);
-       g_free(variant_class);
+       g_array_free(variant_type->fields, true);
+       g_free(variant_type);
 }
 
-struct type_class_variant *
-variant_type_class_new(const char *name)
+struct type_variant *variant_type_new(const char *name)
 {
-       struct type_class_variant *variant_class;
-       struct type_class *type_class;
+       struct type_variant *variant_type;
+       struct type *type;
        int ret;
 
-       variant_class = g_new(struct type_class_variant, 1);
-       type_class = &variant_class->p;
-       variant_class->fields_by_tag = g_hash_table_new(g_direct_hash,
-                                                       g_direct_equal);
-       variant_class->fields = g_array_sized_new(FALSE, TRUE,
-                                                 sizeof(struct type_class_field),
-                                                 DEFAULT_NR_STRUCT_FIELDS);
-       type_class->name = g_quark_from_string(name);
-       type_class->alignment = 1;
-       type_class->copy = variant_copy;
-       type_class->class_free = _variant_type_class_free;
-       type_class->type_new = _variant_type_new;
-       type_class->type_free = _variant_type_free;
-       type_class->ref = 1;
-
-       if (type_class->name) {
-               ret = register_type(type_class);
+       variant_type = g_new(struct type_variant, 1);
+       type = &variant_type->p;
+       variant_type->fields_by_tag = g_hash_table_new(g_direct_hash,
+                                                      g_direct_equal);
+       variant_type->fields = g_array_sized_new(FALSE, TRUE,
+                                                sizeof(struct type_field),
+                                                DEFAULT_NR_STRUCT_FIELDS);
+       type->name = g_quark_from_string(name);
+       type->alignment = 1;
+       type->copy = variant_copy;
+       type->type_free = _variant_type_free;
+       type->declaration_new = _variant_declaration_new;
+       type->declaration_free = _variant_declaration_free;
+       type->ref = 1;
+
+       if (type->name) {
+               ret = register_type(type);
                if (ret)
                        goto error_register;
        }
-       return struct_class;
+       return variant_type;
 
 error_register:
-       g_hash_table_destroy(variant_class->fields_by_tag);
-       g_array_free(variant_class->fields, true);
-       g_free(variant_class);
+       g_hash_table_destroy(variant_type->fields_by_tag);
+       g_array_free(variant_type->fields, true);
+       g_free(variant_type);
        return NULL;
 }
 
 static
-struct type_variant *_variant_type_new(struct type_class *type_class,
-                                      struct declaration_scope *parent_scope)
+struct declaration *
+       _variant_declaration_new(struct type *type,
+                                struct declaration_scope *parent_scope)
 {
-       struct type_class_variant *variant_class =
-               container_of(type_class, struct type_class_variant, p);
-       struct type_struct *variant;
+       struct type_variant *variant_type =
+               container_of(type, struct type_variant, p);
+       struct declaration_variant *variant;
 
-       variant = g_new(struct type_variant, 1);
-       type_class_ref(&variant_class->p);
-       variant->p._class = variant_class;
+       variant = g_new(struct declaration_variant, 1);
+       type_ref(&variant_type->p);
+       variant->p.type = variant_type;
        variant->p.ref = 1;
        variant->scope = new_declaration_scope(parent_scope);
        variant->fields = g_array_sized_new(FALSE, TRUE,
@@ -124,37 +124,37 @@ struct type_variant *_variant_type_new(struct type_class *type_class,
 }
 
 static
-void variant_type_free(struct type *type)
+void variant_declaration_free(struct declaration *declaration)
 {
-       struct type_variant *variant = container_of(type, struct type_variant,
-                                                   p);
+       struct declaration_variant *variant =
+               container_of(declaration, struct declaration_variant, p);
        unsigned long i;
 
        for (i = 0; i < variant->fields->len; i++) {
                struct field *field = &g_array_index(variant->fields,
                                                     struct field, i);
-               type_unref(field->type);
+               declaration_unref(field->declaration);
        }
        free_declaration_scope(variant->scope);
-       type_class_unref(variant->p._class);
+       type_unref(variant->p.type);
        g_free(variant);
 }
 
-void variant_type_class_add_field(struct type_class_variant *variant_class,
-                                 const char *tag_name,
-                                 struct type_class *type_class)
+void variant_type_add_field(struct type_variant *variant_type,
+                           const char *tag_name,
+                           struct type *tag_type)
 {
-       struct type_class_field *field;
+       struct type_field *field;
        unsigned long index;
 
-       g_array_set_size(variant_class->fields, variant_class->fields->len + 1);
-       index = variant_class->fields->len - 1; /* last field (new) */
-       field = &g_array_index(variant_class->fields, struct type_class_field, index);
+       g_array_set_size(variant_type->fields, variant_type->fields->len + 1);
+       index = variant_type->fields->len - 1;  /* last field (new) */
+       field = &g_array_index(variant_type->fields, struct type_field, index);
        field->name = g_quark_from_string(tag_name);
-       type_ref(type_class);
-       field->type_class = type_class;
+       type_ref(tag_type);
+       field->type = tag_type;
        /* Keep index in hash rather than pointer, because array can relocate */
-       g_hash_table_insert(variant_class->fields_by_name,
+       g_hash_table_insert(variant_type->fields_by_name,
                            (gpointer) (unsigned long) field->name,
                            (gpointer) index);
        /*
@@ -164,26 +164,25 @@ void variant_type_class_add_field(struct type_class_variant *variant_class,
         */
 }
 
-struct type_class_field *
-struct_type_class_get_field_from_tag(struct type_class_variant *variant_class,
-                                    GQuark tag)
+struct type_field *
+struct_type_get_field_from_tag(struct type_variant *variant_type, GQuark tag)
 {
        unsigned long index;
 
-       index = (unsigned long) g_hash_table_lookup(variant_class->fields_by_tag,
+       index = (unsigned long) g_hash_table_lookup(variant_type->fields_by_tag,
                                                    (gconstpointer) (unsigned long) tag);
-       return &g_array_index(variant_class->fields, struct type_class_field, index);
+       return &g_array_index(variant_type->fields, struct type_field, index);
 }
 
 /*
  * tag_instance is assumed to be an enumeration.
  */
-int variant_type_set_tag(struct type_variant *variant,
-                        struct type *enum_tag_instance)
+int variant_declaration_set_tag(struct declaration_variant *variant,
+                               struct declaration *enum_tag)
 {
-       struct type_enum *_enum =
-               container_of(struct type_enum, variant->enum_tag, p);
-       struct type_class_enum *enum_class = _enum->_class;
+       struct declaration_enum *_enum =
+               container_of(variant->enum_tag, struct declaration_enum, p);
+       struct type_enum *enum_type = _enum->type;
        int missing_field = 0;
        unsigned long i;
 
@@ -193,14 +192,14 @@ int variant_type_set_tag(struct type_variant *variant,
         * variant choice map to an enumerator too. We then validate that the
         * number of enumerators equals the number of variant choices.
         */
-       if (variant->_class->fields->len != enum_get_nr_enumerators(enum_class))
+       if (variant->type->fields->len != enum_get_nr_enumerators(enum_type))
                return -EPERM;
 
-       for (i = 0; i < variant->_class->fields->len; i++) {
-               struct type_class_field *field_class =
-                       &g_array_index(variant->_class->fields,
-                                      struct type_class_field, i);
-               if (!enum_quark_to_range_set(enum_class, field_class->name)) {
+       for (i = 0; i < variant->type->fields->len; i++) {
+               struct type_field *field_type =
+                       &g_array_index(variant->type->fields,
+                                      struct type_field, i);
+               if (!enum_quark_to_range_set(enum_type, field_type->name)) {
                        missing_field = 1;
                        break;
                }
@@ -217,19 +216,18 @@ int variant_type_set_tag(struct type_variant *variant,
         */
 
        /* Set the enum tag field */
-       variant->enum_tag = enum_tag_instance;
+       variant->enum_tag = enum_tag;
        return 0;
 }
 
 /*
  * field returned only valid as long as the field structure is not appended to.
  */
-struct field *
-variant_type_get_current_field(struct type_variant *variant)
+struct field *variant_get_current_field(struct declaration_variant *variant)
 {
-       struct type_enum *_enum =
-               container_of(struct type_enum, variant->enum_tag, p);
-       struct variat_type_class *variant_class = variant->_class;
+       struct declaration_enum *_enum =
+               container_of(variant->enum_tag, struct declaration_enum, p);
+       struct variant_type *variant_type = variant->type;
        unsigned long index;
        GArray *tag_array;
        GQuark tag;
@@ -241,8 +239,8 @@ variant_type_get_current_field(struct type_variant *variant)
         */
        assert(tag_array->len == 1);
        tag = g_array_index(tag_array, GQuark, 0);
-       index = (unsigned long) g_hash_table_lookup(variant_class->fields_by_tag,
+       index = (unsigned long) g_hash_table_lookup(variant_type->fields_by_tag,
                                                    (gconstpointer) (unsigned long) tag);
-       variant->current_field = &g_array_index(variant_class->fields, struct field, index);
+       variant->current_field = &g_array_index(variant->fields, struct field, index);
        return variant->current_field;
 }
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