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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 INST_OPS_H_INCLUDED
#define INST_OPS_H_INCLUDED

/* Operations for union INSTANCE */

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


/* Operations for component form of union INSTANCE */

#define inst_form(P)                    (CHECK_NULL(P) + 1)


/* Operations for component alias of union INSTANCE */

#define inst_alias(P)                   (CHECK_NULL(P) + 2)


/* Operations for component next of union INSTANCE */

#define inst_next(P)                    (CHECK_NULL(P) + 3)


/* Operations for field templ of union INSTANCE */

#define inst_templ_tag                  ((unsigned)0)
#define IS_inst_templ(P)                (CHECK_NULL(P)->ag_tag == 0)

#define inst_templ_id(P)                (CHECK_TAG((P), 0) + 4)
#define inst_templ_spec(P)              (CHECK_TAG((P), 0) + 5)
#define inst_templ_access(P)            (CHECK_TAG((P), 0) + 6)
#define inst_templ_mode(P)              (CHECK_TAG((P), 0) + 7)
#define inst_templ_mems(P)              (CHECK_TAG((P), 0) + 8)
#define inst_templ_prev(P)              (CHECK_TAG((P), 0) + 9)

#define MAKE_inst_templ(form_, next_, id_, access_, prev_, c_class_inst)\
    {\
        c_class *x851_ = GEN_c_class(10, TYPEID_inst);\
        x851_->ag_tag = 0;\
        COPY_type(x851_ + 1, (form_));\
        COPY_inst(x851_ + 2, x851_);\
        COPY_inst(x851_ + 3, (next_));\
        COPY_id(x851_ + 4, (id_));\
        COPY_type(x851_ + 5, NULL_type);\
        COPY_dspec(x851_ + 6, (access_));\
        COPY_pptok(x851_ + 7, NULL);\
        COPY_list(x851_ + 8, NULL_list ( IDENTIFIER ));\
        COPY_inst(x851_ + 9, (prev_));\
        (c_class_inst) = x851_;\
    }

#define DECONS_inst_templ(form_, alias_, next_, id_, spec_, access_, mode_, mems_, prev_, c_class_inst)\
    {\
        c_class *x852_ = CHECK_TAG((c_class_inst), 0);\
        (form_) = DEREF_type(x852_ + 1);\
        (alias_) = DEREF_inst(x852_ + 2);\
        (next_) = DEREF_inst(x852_ + 3);\
        (id_) = DEREF_id(x852_ + 4);\
        (spec_) = DEREF_type(x852_ + 5);\
        (access_) = DEREF_dspec(x852_ + 6);\
        (mode_) = DEREF_pptok(x852_ + 7);\
        (mems_) = DEREF_list(x852_ + 8);\
        (prev_) = DEREF_inst(x852_ + 9);\
    }

#define DESTROY_inst_templ(destroyer_, form_, alias_, next_, id_, spec_, access_, mode_, mems_, prev_, c_class_inst)\
    {\
        c_class *x853_ = CHECK_TAG((c_class_inst), 0);\
        (form_) = DEREF_type(x853_ + 1);\
        (alias_) = DEREF_inst(x853_ + 2);\
        (next_) = DEREF_inst(x853_ + 3);\
        (id_) = DEREF_id(x853_ + 4);\
        (spec_) = DEREF_type(x853_ + 5);\
        (access_) = DEREF_dspec(x853_ + 6);\
        (mode_) = DEREF_pptok(x853_ + 7);\
        (mems_) = DEREF_list(x853_ + 8);\
        (prev_) = DEREF_inst(x853_ + 9);\
        (destroyer_)(x853_, (unsigned)10);\
    }


/* Operations for field token of union INSTANCE */

#define inst_token_tag                  ((unsigned)1)
#define IS_inst_token(P)                (CHECK_NULL(P)->ag_tag == 1)

#define inst_token_no(P)                (CHECK_TAG((P), 1) + 4)

#define MAKE_inst_token(form_, next_, c_class_inst)\
    {\
        c_class *x854_ = GEN_c_class(5, TYPEID_inst);\
        x854_->ag_tag = 1;\
        COPY_type(x854_ + 1, (form_));\
        COPY_inst(x854_ + 2, x854_);\
        COPY_inst(x854_ + 3, (next_));\
        COPY_ulong(x854_ + 4, LINK_NONE);\
        (c_class_inst) = x854_;\
    }

#define DECONS_inst_token(form_, alias_, next_, no_, c_class_inst)\
    {\
        c_class *x855_ = CHECK_TAG((c_class_inst), 1);\
        (form_) = DEREF_type(x855_ + 1);\
        (alias_) = DEREF_inst(x855_ + 2);\
        (next_) = DEREF_inst(x855_ + 3);\
        (no_) = DEREF_ulong(x855_ + 4);\
    }

#define DESTROY_inst_token(destroyer_, form_, alias_, next_, no_, c_class_inst)\
    {\
        c_class *x856_ = CHECK_TAG((c_class_inst), 1);\
        (form_) = DEREF_type(x856_ + 1);\
        (alias_) = DEREF_inst(x856_ + 2);\
        (next_) = DEREF_inst(x856_ + 3);\
        (no_) = DEREF_ulong(x856_ + 4);\
        (destroyer_)(x856_, (unsigned)5);\
    }


#endif