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Annotation of embedaddon/dhcp/includes/statement.h, revision 1.1

1.1     ! misho       1: /* statement.h
        !             2: 
        !             3:    Definitions for executable statements... */
        !             4: 
        !             5: /*
        !             6:  * Copyright (c) 2004,2007,2009 by Internet Systems Consortium, Inc. ("ISC")
        !             7:  * Copyright (c) 1996-2003 by Internet Software Consortium
        !             8:  *
        !             9:  * Permission to use, copy, modify, and distribute this software for any
        !            10:  * purpose with or without fee is hereby granted, provided that the above
        !            11:  * copyright notice and this permission notice appear in all copies.
        !            12:  *
        !            13:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
        !            14:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            15:  * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR
        !            16:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            17:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            18:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
        !            19:  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            20:  *
        !            21:  *   Internet Systems Consortium, Inc.
        !            22:  *   950 Charter Street
        !            23:  *   Redwood City, CA 94063
        !            24:  *   <info@isc.org>
        !            25:  *   https://www.isc.org/
        !            26:  *
        !            27:  * This software has been written for Internet Systems Consortium
        !            28:  * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
        !            29:  * To learn more about Internet Systems Consortium, see
        !            30:  * ``https://www.isc.org/''.  To learn more about Vixie Enterprises,
        !            31:  * see ``http://www.vix.com''.   To learn more about Nominum, Inc., see
        !            32:  * ``http://www.nominum.com''.
        !            33:  */
        !            34: 
        !            35: struct executable_statement {
        !            36:        int refcnt;
        !            37:        struct executable_statement *next;
        !            38:        enum statement_op {
        !            39:                null_statement,
        !            40:                if_statement,
        !            41:                add_statement,
        !            42:                eval_statement,
        !            43:                break_statement,
        !            44:                default_option_statement,
        !            45:                supersede_option_statement,
        !            46:                append_option_statement,
        !            47:                prepend_option_statement,
        !            48:                send_option_statement,
        !            49:                statements_statement,
        !            50:                on_statement,
        !            51:                switch_statement,
        !            52:                case_statement,
        !            53:                default_statement,
        !            54:                set_statement,
        !            55:                unset_statement,
        !            56:                let_statement,
        !            57:                define_statement,
        !            58:                log_statement,
        !            59:                return_statement,
        !            60:                execute_statement
        !            61:        } op;
        !            62:        union {
        !            63:                struct {
        !            64:                        struct executable_statement *tc, *fc;
        !            65:                        struct expression *expr;
        !            66:                } ie;
        !            67:                struct expression *eval;
        !            68:                struct expression *retval;
        !            69:                struct class *add;
        !            70:                struct option_cache *option;
        !            71:                struct option_cache *supersede;
        !            72:                struct option_cache *prepend;
        !            73:                struct option_cache *append;
        !            74:                struct executable_statement *statements;
        !            75:                struct {
        !            76:                        int evtypes;
        !            77: #                      define ON_COMMIT  1
        !            78: #                      define ON_EXPIRY  2
        !            79: #                      define ON_RELEASE 4
        !            80: #                      define ON_TRANSMISSION 8
        !            81:                        struct executable_statement *statements;
        !            82:                } on;
        !            83:                struct {
        !            84:                        struct expression *expr;
        !            85:                        struct executable_statement *statements;
        !            86:                } s_switch;
        !            87:                struct expression *c_case;
        !            88:                struct {
        !            89:                        char *name;
        !            90:                        struct expression *expr;
        !            91:                        struct executable_statement *statements;
        !            92:                } set, let;
        !            93:                char *unset;
        !            94:                struct {
        !            95:                        enum {
        !            96:                                log_priority_fatal,
        !            97:                                log_priority_error,
        !            98:                                log_priority_debug,
        !            99:                                log_priority_info
        !           100:                        } priority;
        !           101:                        struct expression *expr;
        !           102:                } log;
        !           103:                struct {
        !           104:                        char *command;
        !           105:                        struct expression *arglist;
        !           106:                        int argc;
        !           107:                } execute;
        !           108:        } data;
        !           109: };
        !           110: