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/*
 * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of The TenDRA Project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific, prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id$
 */
/*
                 Crown Copyright (c) 1997

    This TenDRA(r) Computer Program is subject to Copyright
    owned by the United Kingdom Secretary of State for Defence
    acting through the Defence Evaluation and Research Agency
    (DERA).  It is made available to Recipients with a
    royalty-free licence for its use, reproduction, transfer
    to other parties and amendment for any purpose not excluding
    product development provided that any such use et cetera
    shall be deemed to be acceptance of the following conditions:-

        (1) Its Recipients shall ensure that this Notice is
        reproduced upon any copies or amended versions of it;

        (2) Any amended version of it shall be clearly marked to
        show both the nature of and the organisation responsible
        for the relevant amendment or amendments;

        (3) Its onward transfer from a recipient to another
        party shall be deemed to be that party's acceptance of
        these conditions;

        (4) DERA gives no warranty or assurance as to its
        quality or suitability for any purpose and DERA accepts
        no liability whatsoever in relation to any use to which
        it may be put.
*/


@special external
@special token
@special tokdec
@special tokdef
@special tagdec
@special tagdef
@special al_tagdef
@special version
@special token_defn
/* AUTOMATICALLY GENERATED BY %ZX VERSION %ZV FROM TDF %VA.%VB */

#include "config.h"
#include "types.h"
#include "de_types.h"
#include "enc_types.h"
#include "check.h"
#include "decode.h"
#include "de_capsule.h"
#include "de_unit.h"
#include "encode.h"
#include "node.h"
#include "read.h"
#include "shape.h"
#include "table.h"
#include "tdf.h"
#include "utility.h"


/* INITIALISE CONSTRUCTS */

void
init_constructs(void)
{
    sortname s;
@loop sort
@if sort.basic
@if !sort.special

    s = SORT_%SN;
@if sort.eq.sortname
    new_sort(s, %3SM);
@else
    sort_letters[s] = '%SX';
    sort_encoding[s] = %SB;
    sort_extension[s] = %SE;
    sort_decode[s] = de_%SN;
    sort_read[s] = read_%SN;
    new_sort(s, %1SM);
@endif
@loop sort.cons
@if cons.params
@if cons.token
    new_cons("%CN", s, %CE, "!");
    sort_tokens[s] = %CE;
@else
@if cons.eq.identify
    new_cons("%CN", s, %CE, "?[u]t^x{x}");
@else
    new_cons("%CN", s, %CE, "%CX");
@if cons.cond
    sort_conds[s] = %CE;
@endif
@endif
@endif
@else
@if cons.eq.alignment_sort
    new_cons("alignment", s, %CE,(char *)null);
@else
    new_cons("%CN", s, %CE,(char *)null);
@endif
@endif
@end
@if sort.eq.sortname
    new_cons("callees", s, %1SM,(char *)null);
    new_cons("error_code", s, %2SM,(char *)null);
@endif
@endif
@endif
@end
    return;
}
@special sortname


/* FIND A SORT NAME */

sortname
find_sort(char c)
{
    sortname s;
    switch (c) {
@loop sort
@if sort.basic
@if !sort.special
        case '%SX': s = SORT_%SN; break;
@endif
@endif
@end
        default : {
            input_error("Illegal decode letter, %%c", c);
            s = SORT_unknown;
            break;
        }
    }
    return(s);
}
@loop sort
@if sort.basic


/* DECODE A %ST */

@if sort.special
long
de_%SN_bits(void)
@else
node *
de_%SN(void)
@endif
{
@if sort.extends
    long n = fetch_extn(%SB%1u);
@else
    long n = fetch(%SB%0u);
@endif
@if sort.special
    if (n < %u || n > %SM) {
        input_error("Illegal %SN value, %%ld", n);
    }
    return(n);
@else
    char *args;
    node *p = new_node();
    construct *cons = cons_no(SORT_%SN, n);
    p->cons = cons;
    if (n < %u || n > %SM || cons->name == null) {
        input_error("Illegal %SN value, %%ld", n);
    }
@if sort.eq.callees
    args = get_char_info(cons);
    if (args) {
        p->son = de_node(args);
    }
@else
@if sort.eq.error_code
    args = get_char_info(cons);
    if (args) {
        p->son = de_node(args);
    }
@else
    switch (n) {
@loop sort.cons
@if cons.token
        case %CE: {
            IGNORE de_token(p, SORT_%SN);
            break;
        }
@else
@if cons.cond
        case %CE: {
            args = get_char_info(cons);
            p->son = de_node(args);
            if (do_check) {
                checking = "%CN";
                IGNORE check1(ENC_integer, p->son);
            }
            break;
        }
@else
@if cons.edge
        case %CE: {
@if sort.link
            p->son = de_var_sort(%SN_var);
@else
            long m = tdf_int();
            p->son = new_node();
            p->son->cons = find_%SN(m);
@endif
            break;
        }
@endif
@endif
@endif
@end
        default : {
            args = get_char_info(cons);
            if (args) {
                p->son = de_node(args);
            }
            break;
        }
    }
@endif
@endif
#ifdef check_%SN
    check_%SN(p);
#endif
    return(p);
@endif
}
@endif
@end
@loop sort
@if sort.basic
@if sort.special


/* ENCODE A %ST */

void
enc_%SN_bits(bitstream *p, int n)
{
@if sort.extends
    enc_bits_extn(p, %SB,(long)n);
@else
    enc_bits(p, %SB,(long)n);
@endif
    return;
}
@else
@if sort.edge


/* ENCODE A %ST */

void
enc_%SN_bits(bitstream *p, int n)
{
@if sort.extends
    enc_bits_extn(p, %SB,(long)n);
@else
    enc_bits(p, %SB,(long)n);
@endif
    return;
}
@endif
@endif
@endif
@end
@special exp sequence
@special signed_nat make_signed_nat
@loop sort
@if sort.basic
@if !sort.special


/* READ A %ST */

node *
read_%SN(long n)
{
    char *args;
    node *p = new_node();
    construct *cons = cons_no(SORT_%SN, n);
    p->cons = cons;
    if (n < 0 || n > %SM || cons->name == null) {
        input_error("Illegal %SN value, %%ld", n);
    }
@if sort.eq.callees
    args = get_char_info(cons);
    if (args) {
        p->son = read_node(args);
    }
@else
@if sort.eq.error_code
    args = get_char_info(cons);
    if (args) {
        p->son = read_node(args);
    }
@else
    switch (n) {
@loop sort.cons
@if cons.token
        case %CE: {
            read_token(p, SORT_%SN);
            break;
        }
@else
@if cons.cond
        case %CE: {
            args = get_char_info(cons);
            p->son = read_node(args);
            if (do_check) {
                checking = "%CN";
                IGNORE check1(ENC_integer, p->son);
            }
            break;
        }
@else
@if cons.edge
        case %CE: {
            p->son = read_var_sort(SORT_%SN);
            break;
        }
@else
@if cons.special
        case %CE: {
            read_%CN(p, get_char_info(cons));
            break;
        }
@endif
@endif
@endif
@endif
@end
        default : {
            args = get_char_info(cons);
            if (args) {
                p->son = read_node(args);
            }
            break;
        }
    }
@endif
@endif
#ifdef check_%SN
    check_%SN(p);
#endif
    return(p);
}
@endif
@endif
@end