+ struct declaration_scope *scope = g_new(struct declaration_scope, 1);
+
+ scope->typedef_declarations = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL,
+ (GDestroyNotify) bt_declaration_unref);
+ scope->struct_declarations = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL,
+ (GDestroyNotify) bt_declaration_unref);
+ scope->variant_declarations = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL,
+ (GDestroyNotify) bt_declaration_unref);
+ scope->enum_declarations = g_hash_table_new_full(g_direct_hash,
+ g_direct_equal, NULL,
+ (GDestroyNotify) bt_declaration_unref);
+ scope->parent_scope = parent_scope;
+ return scope;
+}
+
+void bt_free_declaration_scope(struct declaration_scope *scope)
+{
+ g_hash_table_destroy(scope->enum_declarations);
+ g_hash_table_destroy(scope->variant_declarations);
+ g_hash_table_destroy(scope->struct_declarations);
+ g_hash_table_destroy(scope->typedef_declarations);
+ g_free(scope);
+}
+
+static
+struct declaration_struct *bt_lookup_struct_declaration_scope(GQuark struct_name,
+ struct declaration_scope *scope)
+{
+ return g_hash_table_lookup(scope->struct_declarations,
+ (gconstpointer) GUINT_TO_POINTER(struct_name));
+}
+
+struct declaration_struct *bt_lookup_struct_declaration(GQuark struct_name,
+ struct declaration_scope *scope)
+{
+ struct declaration_struct *declaration;
+
+ while (scope) {
+ declaration = bt_lookup_struct_declaration_scope(struct_name, scope);
+ if (declaration)
+ return declaration;
+ scope = scope->parent_scope;
+ }
+ return NULL;
+}
+
+int bt_register_struct_declaration(GQuark struct_name,
+ struct declaration_struct *struct_declaration,
+ struct declaration_scope *scope)
+{
+ GQuark prefix_name;
+ int ret;
+
+ if (!struct_name)
+ return -EPERM;
+
+ /* Only lookup in local scope */
+ if (bt_lookup_struct_declaration_scope(struct_name, scope))
+ return -EEXIST;
+
+ g_hash_table_insert(scope->struct_declarations,
+ GUINT_TO_POINTER(struct_name),
+ struct_declaration);
+ bt_declaration_ref(&struct_declaration->p);
+
+ /* Also add in typedef/typealias scopes */
+ prefix_name = prefix_quark("struct ", struct_name);
+ ret = bt_register_declaration(prefix_name, &struct_declaration->p, scope);
+ assert(!ret);
+ return 0;
+}
+
+static
+struct declaration_untagged_variant *
+ bt_lookup_variant_declaration_scope(GQuark variant_name,
+ struct declaration_scope *scope)
+{
+ return g_hash_table_lookup(scope->variant_declarations,
+ (gconstpointer) GUINT_TO_POINTER(variant_name));
+}
+
+struct declaration_untagged_variant *
+ bt_lookup_variant_declaration(GQuark variant_name,
+ struct declaration_scope *scope)
+{
+ struct declaration_untagged_variant *declaration;
+
+ while (scope) {
+ declaration = bt_lookup_variant_declaration_scope(variant_name, scope);
+ if (declaration)
+ return declaration;
+ scope = scope->parent_scope;
+ }
+ return NULL;
+}
+
+int bt_register_variant_declaration(GQuark variant_name,
+ struct declaration_untagged_variant *untagged_variant_declaration,
+ struct declaration_scope *scope)
+{
+ GQuark prefix_name;
+ int ret;
+
+ if (!variant_name)
+ return -EPERM;
+
+ /* Only lookup in local scope */
+ if (bt_lookup_variant_declaration_scope(variant_name, scope))
+ return -EEXIST;
+
+ g_hash_table_insert(scope->variant_declarations,
+ GUINT_TO_POINTER(variant_name),
+ untagged_variant_declaration);
+ bt_declaration_ref(&untagged_variant_declaration->p);
+
+ /* Also add in typedef/typealias scopes */
+ prefix_name = prefix_quark("variant ", variant_name);
+ ret = bt_register_declaration(prefix_name,
+ &untagged_variant_declaration->p, scope);
+ assert(!ret);
+ return 0;
+}
+
+static
+struct declaration_enum *
+ bt_lookup_enum_declaration_scope(GQuark enum_name,
+ struct declaration_scope *scope)
+{
+ return g_hash_table_lookup(scope->enum_declarations,
+ (gconstpointer) GUINT_TO_POINTER(enum_name));
+}
+
+struct declaration_enum *
+ bt_lookup_enum_declaration(GQuark enum_name,
+ struct declaration_scope *scope)
+{
+ struct declaration_enum *declaration;
+
+ while (scope) {
+ declaration = bt_lookup_enum_declaration_scope(enum_name, scope);
+ if (declaration)
+ return declaration;
+ scope = scope->parent_scope;
+ }
+ return NULL;
+}
+
+int bt_register_enum_declaration(GQuark enum_name,
+ struct declaration_enum *enum_declaration,
+ struct declaration_scope *scope)
+{
+ GQuark prefix_name;
+ int ret;
+
+ if (!enum_name)
+ return -EPERM;
+
+ /* Only lookup in local scope */
+ if (bt_lookup_enum_declaration_scope(enum_name, scope))
+ return -EEXIST;
+
+ g_hash_table_insert(scope->enum_declarations,
+ GUINT_TO_POINTER(enum_name),
+ enum_declaration);
+ bt_declaration_ref(&enum_declaration->p);
+
+ /* Also add in typedef/typealias scopes */
+ prefix_name = prefix_quark("enum ", enum_name);
+ ret = bt_register_declaration(prefix_name, &enum_declaration->p, scope);
+ assert(!ret);