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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/*** rule-names.c --- Recompute alternative names.
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*
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** Author: Steve Folkes <smf@hermes.mod.uk>
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*
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*** Commentary:
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*
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* This file implements the functions that recompute the names defined in each
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* alternative of a rule (including the exception handler alternative).
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*
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*** Change Log:
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* $Log: rule-names.c,v $
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* Revision 1.1.1.1 1998/01/17 15:57:47 release
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* First version to be checked into rolling release.
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*
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* Revision 1.2 1994/12/15 09:58:50 smf
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* Brought into line with OSSG C Coding Standards Document, as per
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* "CR94_178.sid+tld-update".
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*
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* Revision 1.1.1.1 1994/07/25 16:04:41 smf
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* Initial import of SID 1.8 non shared files.
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*
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**/
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/****************************************************************************/
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#include "rule.h"
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#include "action.h"
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#include "basic.h"
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#include "name.h"
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#include "type.h"
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#include "types.h"
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/*--------------------------------------------------------------------------*/
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static void
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rule_recompute_alt_names_2 PROTO_N ((alt, predicate_id))
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PROTO_T (AltP alt X
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EntryP predicate_id)
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{
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TypeTupleP names = alt_names (alt);
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ItemP item;
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types_destroy (names);
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types_init (names);
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for (item = alt_item_head (alt); item; item = item_next (item)) {
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types_add_new_names (names, item_result (item), predicate_id);
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}
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}
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static void
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rule_recompute_alt_names_1 PROTO_N ((rule, predicate_id))
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PROTO_T (RuleP rule X
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EntryP predicate_id)
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{
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AltP alt;
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if ((alt = rule_get_handler (rule)) != NIL (AltP)) {
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rule_recompute_alt_names_2 (alt, predicate_id);
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}
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for (alt = rule_alt_head (rule); alt; alt = alt_next (alt)) {
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rule_recompute_alt_names_2 (alt, predicate_id);
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}
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}
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/*--------------------------------------------------------------------------*/
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void
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rule_recompute_alt_names PROTO_N ((entry, gclosure))
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PROTO_T (EntryP entry X
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GenericP gclosure)
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{
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if (entry_is_rule (entry)) {
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RuleP rule = entry_get_rule (entry);
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EntryP predicate_id = (EntryP) gclosure;
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rule_recompute_alt_names_1 (rule, predicate_id);
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}
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}
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/*
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* Local variables(smf):
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* eval: (include::add-path-entry "../os-interface" "../library")
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* eval: (include::add-path-entry "../generated")
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* end:
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**/
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