+ for (predef_union = &psi_predef_unions[0]; predef_union->type_tag; ++predef_union) {
+ struct psi_predef_union *member;
+ decl_args *dargs = init_decl_args(NULL);
+ decl_union *dunion = init_decl_union(predef_union->var_name, dargs);
+
+ dunion->size = predef_union->size;
+ dunion->align = predef_union->offset;
+ for (member = &predef_union[1]; member->type_tag; ++member) {
+ decl_type *type;
+ decl_var *dvar;
+ decl_arg *darg;
+
+ type = init_decl_type(member->type_tag, member->type_name);
+ dvar = init_decl_var(member->var_name, member->pointer_level, member->array_size);
+ darg = init_decl_arg(type, dvar);
+ darg->layout = init_decl_struct_layout(member->offset, member->size);
+ dargs = add_decl_arg(dargs, darg);
+ }
+
+ T.unions = add_decl_union(T.unions, dunion);
+ predef_union = member;
+ }