+bool psi_decl_arg_validate_typedef(struct psi_data *data,
+ struct psi_decl_arg *def, struct psi_validate_stack *type_stack)
+{
+ if (psi_validate_stack_has_type(type_stack, def->var->name)) {
+ return true;
+ }
+ psi_validate_stack_add_type(type_stack, def->var->name, def);
+
+ if (def->type->type == PSI_T_VOID) {
+ if (def->var->pointer_level) {
+ def->type->type = PSI_T_POINTER;
+ } else {
+ data->error(data, def->token, PSI_WARNING,
+ "Type '%s' cannot be aliased to 'void'", def->type->name);
+ return false;
+ }
+ } else if (!psi_decl_type_validate(data, def->type, def->var->pointer_level, type_stack)) {
+ const char *pre;
+
+ switch (def->type->type) {
+ case PSI_T_STRUCT:
+ pre = "struct ";
+ break;
+ case PSI_T_UNION:
+ pre = "union ";
+ break;
+ case PSI_T_ENUM:
+ pre = "enum ";
+ break;
+ default:
+ pre = "";
+ break;
+ }
+ data->error(data, def->token, PSI_WARNING,
+ "Type '%s' cannot be aliased to '%s%s'%s%s", def->var->name, pre,
+ def->type->name, *data->last_error ? ": " : "", data->last_error);
+ return false;
+ }