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/*
                 Crown Copyright (c) 1997, 1998
    
    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.
*/

/*
    AUTOMATICALLY GENERATED FROM ALGEBRA c_class (VERSION 1.1)
    BY calculus (VERSION 1.2)
*/

#ifndef NAT_OPS_H_INCLUDED
#define NAT_OPS_H_INCLUDED

/* Operations for union NAT */

#define TAG_nat(P)                      (CHECK_NULL(P)->ag_tag)


/* Operations for field small of union NAT */

#define nat_small_tag                   ((unsigned)0)
#define IS_nat_small(P)                 (CHECK_NULL(P)->ag_tag == 0)

#define nat_small_value(P)              (CHECK_TAG((P), 0) + 1)

#define MAKE_nat_small(value_, c_class_nat)\
    {\
        c_class *x465_ = GEN_c_class(2, TYPEID_nat);\
        x465_->ag_tag = 0;\
        COPY_unsigned(x465_ + 1, (value_));\
        (c_class_nat) = x465_;\
    }

#define DECONS_nat_small(value_, c_class_nat)\
    {\
        c_class *x466_ = CHECK_TAG((c_class_nat), 0);\
        (value_) = DEREF_unsigned(x466_ + 1);\
    }

#define DESTROY_nat_small(destroyer_, value_, c_class_nat)\
    {\
        c_class *x467_ = CHECK_TAG((c_class_nat), 0);\
        (value_) = DEREF_unsigned(x467_ + 1);\
        (destroyer_)(x467_, (unsigned)2);\
    }


/* Operations for field large of union NAT */

#define nat_large_tag                   ((unsigned)1)
#define IS_nat_large(P)                 (CHECK_NULL(P)->ag_tag == 1)

#define nat_large_values(P)             (CHECK_TAG((P), 1) + 1)

#define MAKE_nat_large(values_, c_class_nat)\
    {\
        c_class *x468_ = GEN_c_class(2, TYPEID_nat);\
        x468_->ag_tag = 1;\
        COPY_list(x468_ + 1, (values_));\
        (c_class_nat) = x468_;\
    }

#define DECONS_nat_large(values_, c_class_nat)\
    {\
        c_class *x469_ = CHECK_TAG((c_class_nat), 1);\
        (values_) = DEREF_list(x469_ + 1);\
    }

#define DESTROY_nat_large(destroyer_, values_, c_class_nat)\
    {\
        c_class *x470_ = CHECK_TAG((c_class_nat), 1);\
        (values_) = DEREF_list(x470_ + 1);\
        (destroyer_)(x470_, (unsigned)2);\
    }


/* Operations for field calc of union NAT */

#define nat_calc_tag                    ((unsigned)2)
#define IS_nat_calc(P)                  (CHECK_NULL(P)->ag_tag == 2)

#define nat_calc_value(P)               (CHECK_TAG((P), 2) + 1)
#define nat_calc_tok(P)                 (CHECK_TAG((P), 2) + 2)

#define MAKE_nat_calc(value_, c_class_nat)\
    {\
        c_class *x471_ = GEN_c_class(3, TYPEID_nat);\
        x471_->ag_tag = 2;\
        COPY_exp(x471_ + 1, (value_));\
        COPY_ulong(x471_ + 2, LINK_NONE);\
        (c_class_nat) = x471_;\
    }

#define DECONS_nat_calc(value_, tok_, c_class_nat)\
    {\
        c_class *x472_ = CHECK_TAG((c_class_nat), 2);\
        (value_) = DEREF_exp(x472_ + 1);\
        (tok_) = DEREF_ulong(x472_ + 2);\
    }

#define DESTROY_nat_calc(destroyer_, value_, tok_, c_class_nat)\
    {\
        c_class *x473_ = CHECK_TAG((c_class_nat), 2);\
        (value_) = DEREF_exp(x473_ + 1);\
        (tok_) = DEREF_ulong(x473_ + 2);\
        (destroyer_)(x473_, (unsigned)3);\
    }


/* Operations for field neg of union NAT */

#define nat_neg_tag                     ((unsigned)3)
#define IS_nat_neg(P)                   (CHECK_NULL(P)->ag_tag == 3)

#define nat_neg_arg(P)                  (CHECK_TAG((P), 3) + 1)

#define MAKE_nat_neg(arg_, c_class_nat)\
    {\
        c_class *x474_ = GEN_c_class(2, TYPEID_nat);\
        x474_->ag_tag = 3;\
        COPY_nat(x474_ + 1, (arg_));\
        (c_class_nat) = x474_;\
    }

#define DECONS_nat_neg(arg_, c_class_nat)\
    {\
        c_class *x475_ = CHECK_TAG((c_class_nat), 3);\
        (arg_) = DEREF_nat(x475_ + 1);\
    }

#define DESTROY_nat_neg(destroyer_, arg_, c_class_nat)\
    {\
        c_class *x476_ = CHECK_TAG((c_class_nat), 3);\
        (arg_) = DEREF_nat(x476_ + 1);\
        (destroyer_)(x476_, (unsigned)2);\
    }


/* Operations for field token of union NAT */

#define nat_token_tag                   ((unsigned)4)
#define IS_nat_token(P)                 (CHECK_NULL(P)->ag_tag == 4)

#define nat_token_tok(P)                (CHECK_TAG((P), 4) + 1)
#define nat_token_args(P)               (CHECK_TAG((P), 4) + 2)

#define MAKE_nat_token(tok_, args_, c_class_nat)\
    {\
        c_class *x477_ = GEN_c_class(3, TYPEID_nat);\
        x477_->ag_tag = 4;\
        COPY_id(x477_ + 1, (tok_));\
        COPY_list(x477_ + 2, (args_));\
        (c_class_nat) = x477_;\
    }

#define DECONS_nat_token(tok_, args_, c_class_nat)\
    {\
        c_class *x478_ = CHECK_TAG((c_class_nat), 4);\
        (tok_) = DEREF_id(x478_ + 1);\
        (args_) = DEREF_list(x478_ + 2);\
    }

#define DESTROY_nat_token(destroyer_, tok_, args_, c_class_nat)\
    {\
        c_class *x479_ = CHECK_TAG((c_class_nat), 4);\
        (tok_) = DEREF_id(x479_ + 1);\
        (args_) = DEREF_list(x479_ + 2);\
        (destroyer_)(x479_, (unsigned)3);\
    }


#endif