/* $NetBSD: statement.h,v 1.2.6.1 2024/02/29 11:39:20 martin Exp $ */ /* statement.h Definitions for executable statements... */ /* * Copyright (C) 2004-2022 Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 1996-2003 by Internet Software Consortium * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Internet Systems Consortium, Inc. * PO Box 360 * Newmarket, NH 03857 USA * * https://www.isc.org/ * */ struct executable_statement { int refcnt; struct executable_statement *next; enum statement_op { null_statement, if_statement, add_statement, eval_statement, break_statement, default_option_statement, supersede_option_statement, append_option_statement, prepend_option_statement, send_option_statement, statements_statement, on_statement, switch_statement, case_statement, default_statement, set_statement, unset_statement, let_statement, define_statement, log_statement, return_statement, execute_statement, vendor_opt_statement } op; union { struct { struct executable_statement *tc, *fc; struct expression *expr; } ie; struct expression *eval; struct expression *retval; struct class *add; struct option_cache *option; struct option_cache *supersede; struct option_cache *prepend; struct option_cache *append; struct executable_statement *statements; struct { int evtypes; # define ON_COMMIT 1 # define ON_EXPIRY 2 # define ON_RELEASE 4 # define ON_TRANSMISSION 8 struct executable_statement *statements; } on; struct { struct expression *expr; struct executable_statement *statements; } s_switch; struct expression *c_case; struct { char *name; struct expression *expr; struct executable_statement *statements; } set, let; char *unset; struct { enum { log_priority_fatal, log_priority_error, log_priority_debug, log_priority_info } priority; struct expression *expr; } log; struct { char *command; struct expression *arglist; int argc; } execute; } data; };