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/* Copyright 2015
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* Redistribution of this software in source and binary forms, with or without
* modification, is permitted provided that the following two conditions are met.
*
* Use of this software in any manner constitutes agreement with the disclaimer
* which follows the two conditions.
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DAMAGES, HOWEVER CAUSED,
* AND UNDER ANY THEORY OF LIABILITY, ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <wchar.h>
#include <dirent.h>
#include <stdarg.h>
#include "config.h"
#include "lib.h"
#include "eval.h"
#include "parser.h"
#include "stream.h"
#include "hash.h"
#include "gc.h"
#include "place.h"
#include "lisplib.h"
static val dl_table;
static void set_dlt_entries(val dlt, val *name, val fun)
{
for (; *name; name++) {
val sym = intern(*name, user_package);
if (fun)
sethash(dlt, sym, fun);
else
remhash(dlt, sym);
}
}
static val place_set_entries(val dlt, val fun)
{
val name[] = {
lit("*place-clobber-expander*"), lit("*place-update-expander*"),
lit("*place-delete-expander*"),
lit("get-update-expander"), lit("get-clobber-expander"),
lit("get-delete-expander"),
lit("rlet"), lit("with-gensyms"),
lit("call-update-expander"), lit("call-clobber-expander"),
lit("call-delete-expander)"),
lit("with-update-expander"), lit("with-clobber-expander"),
lit("with-delete-expander"),
lit("set"), lit("pset"), lit("zap"), lit("flip"), lit("inc"), lit("dec"),
lit("push"), lit("pop"), lit("swap"), lit("shift"), lit("rotate"),
lit("pushnew"), lit("del"),
lit("define-modify-macro"),
nil
};
set_dlt_entries(dlt, name, fun);
return nil;
}
static val place_instantiate(val set_fun)
{
funcall1(set_fun, nil);
return eval_intrinsic(lisp_parse(string_utf8(place_code), std_error,
colon_k, lit("place.tl")), nil);
}
static val dlt_register(val dlt,
val (*instantiate)(val),
val (*set_entries)(val, val))
{
return set_entries(dl_table, func_f0(func_f1(dlt, set_entries), instantiate));
}
void lisplib_init(void)
{
prot1(&dl_table);
dl_table = make_hash(nil, nil, nil);
dlt_register(dl_table, place_instantiate, place_set_entries);
}
val lisplib_try_load(val sym)
{
val fun = gethash(dl_table, sym);
return if3(fun, (funcall(fun), t), nil);
}
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