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/*
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 * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright notice,
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 *    this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
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 *    this list of conditions and the following disclaimer in the documentation
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 *    and/or other materials provided with the distribution.
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 * 3. Neither the name of The TenDRA Project nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific, prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
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 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * $Id$
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 */
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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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/**** non-local.c --- Non local name ADT.
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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 non local name list manipulation routines.
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 *
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 **** Change Log:
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 * $Log: non-local.c,v $
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 * Revision 1.1.1.1  1998/01/17  15:57:46  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  09:58:27  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  16:04:36  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 "non-local.h"
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/*--------------------------------------------------------------------------*/
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void
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non_local_list_init(NonLocalListP non_locals)
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{
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    non_locals->head = NIL(NonLocalEntryP);
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    non_locals->tail = &(non_locals->head);
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}
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NonLocalEntryP
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non_local_list_add(NonLocalListP non_locals, EntryP name, EntryP type)
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{
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    NonLocalEntryP entry = ALLOCATE(NonLocalEntryT);
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    entry->next         = NIL(NonLocalEntryP);
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    entry->name         = name;
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    entry->type         = type;
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    entry->initialiser  = NIL(EntryP);
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    *(non_locals->tail) = entry;
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    non_locals->tail    = &(entry->next);
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    return(entry);
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}
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BoolT
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non_local_list_is_empty(NonLocalListP non_locals)
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{
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    return(non_locals->head == NIL(NonLocalEntryP));
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}
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void
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non_local_list_iter_for_table(NonLocalListP non_locals,
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			      void (*proc)(EntryP, GenericP),
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			      GenericP closure)
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{
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    NonLocalEntryP non_local;
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    for (non_local = non_locals->head; non_local;
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	 non_local = non_local->next) {
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	entry_iter(non_local->type, TRUE, proc, closure);
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	if (non_local->initialiser) {
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	    entry_iter(non_local->initialiser, TRUE, proc, closure);
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	}
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    }
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}
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void
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non_local_list_destroy(NonLocalListP non_locals)
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{
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    NonLocalEntryP entry = non_locals->head;
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    while (entry) {
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	NonLocalEntryP tmp = entry->next;
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	DEALLOCATE(entry);
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	entry = tmp;
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    }
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}
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void
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write_non_locals(OStreamP ostream, NonLocalListP non_locals)
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{
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    NonLocalEntryP non_local;
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    for (non_local = non_locals->head; non_local;
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	 non_local = non_local->next) {
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	ASSERT(non_local->type);
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	ASSERT(non_local->name);
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	write_tab(ostream);
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	write_key(ostream, entry_key(non_local->name));
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	write_cstring(ostream, ": ");
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	write_key(ostream, entry_key(non_local->type));
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	if (non_local->initialiser) {
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	    write_cstring(ostream, " = <");
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	    write_key(ostream, entry_key(non_local->initialiser));
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	    write_char(ostream, '>');
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	}
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	write_char(ostream, ';');
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	write_newline(ostream);
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    }
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}
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void
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non_local_entry_set_initialiser(NonLocalEntryP non_local, EntryP init)
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{
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    non_local->initialiser = init;
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}
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EntryP
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non_local_entry_get_initialiser(NonLocalEntryP non_local)
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{
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    return(non_local->initialiser);
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}
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EntryP
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non_local_entry_get_name(NonLocalEntryP non_local)
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{
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    return(non_local->name);
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}
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EntryP
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non_local_entry_get_type(NonLocalEntryP non_local)
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{
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    return(non_local->type);
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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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**/