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/*

    		 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.

*/

/**** non-local.c --- Non local name ADT.

 *

 ** Author: Steve Folkes <smf@hermes.mod.uk>

 *

 **** Commentary:

 *

 * This file implements the non local name list manipulation routines.

 *

 **** Change Log:

 * $Log: non-local.c,v $

 * Revision 1.1.1.1  1998/01/17  15:57:46  release

 * First version to be checked into rolling release.

 *

 * Revision 1.2  1994/12/15  09:58:27  smf

 * Brought into line with OSSG C Coding Standards Document, as per

 * "CR94_178.sid+tld-update".

 *

 * Revision 1.1.1.1  1994/07/25  16:04:36  smf

 * Initial import of SID 1.8 non shared files.

 *

**/

/****************************************************************************/

#include "non-local.h"

/*--------------------------------------------------------------------------*/

void

non_local_list_init PROTO_N ((non_locals))

		    PROTO_T (NonLocalListP non_locals)

{

    non_locals->head = NIL (NonLocalEntryP);

    non_locals->tail = &(non_locals->head);

}

NonLocalEntryP

non_local_list_add PROTO_N ((non_locals, name, type))

		   PROTO_T (NonLocalListP non_locals X

			    EntryP        name X

			    EntryP        type)

{

    NonLocalEntryP entry = ALLOCATE (NonLocalEntryT);

    entry->next         = NIL (NonLocalEntryP);

    entry->name         = name;

    entry->type         = type;

    entry->initialiser  = NIL (EntryP);

    *(non_locals->tail) = entry;

    non_locals->tail    = &(entry->next);

    return (entry);

}

BoolT

non_local_list_is_empty PROTO_N ((non_locals))

			PROTO_T (NonLocalListP non_locals)

{

    return (non_locals->head == NIL (NonLocalEntryP));

}

void

non_local_list_iter_for_table PROTO_N ((non_locals, proc, closure))

			      PROTO_T (NonLocalListP non_locals X

				       void        (*proc) PROTO_S ((EntryP,

								     GenericP))

				       X

				       GenericP      closure)

{

    NonLocalEntryP non_local;

    for (non_local = non_locals->head; non_local;

	 non_local = non_local->next) {

	entry_iter (non_local->type, TRUE, proc, closure);

	if (non_local->initialiser) {

	    entry_iter (non_local->initialiser, TRUE, proc, closure);

	}

    }

}

void

non_local_list_destroy PROTO_N ((non_locals))

		       PROTO_T (NonLocalListP non_locals)

{

    NonLocalEntryP entry = non_locals->head;

    while (entry) {

	NonLocalEntryP tmp = entry->next;

	DEALLOCATE (entry);

	entry = tmp;

    }

}

void

write_non_locals PROTO_N ((ostream, non_locals))

		 PROTO_T (OStreamP      ostream X

			  NonLocalListP non_locals)

{

    NonLocalEntryP non_local;

    for (non_local = non_locals->head; non_local;

	 non_local = non_local->next) {

	ASSERT (non_local->type);

	ASSERT (non_local->name);

	write_tab (ostream);

	write_key (ostream, entry_key (non_local->name));

	write_cstring (ostream, ": ");

	write_key (ostream, entry_key (non_local->type));

	if (non_local->initialiser) {

	    write_cstring (ostream, " = <");

	    write_key (ostream, entry_key (non_local->initialiser));

	    write_char (ostream, '>');

	}

	write_char (ostream, ';');

	write_newline (ostream);

    }

}

void

non_local_entry_set_initialiser PROTO_N ((non_local, init))

				PROTO_T (NonLocalEntryP non_local X

					 EntryP         init)

{

    non_local->initialiser = init;

}

EntryP

non_local_entry_get_initialiser PROTO_N ((non_local))

				PROTO_T (NonLocalEntryP non_local)

{

    return (non_local->initialiser);

}

EntryP

non_local_entry_get_name PROTO_N ((non_local))

			 PROTO_T (NonLocalEntryP non_local)

{

    return (non_local->name);

}

EntryP

non_local_entry_get_type PROTO_N ((non_local))

			 PROTO_T (NonLocalEntryP non_local)

{

    return (non_local->type);

}

/*

 * Local variables(smf):

 * eval: (include::add-path-entry "../os-interface" "../library")

 * eval: (include::add-path-entry "../generated")

 * end:

**/