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Common Lisp implementation running on the JVM
/*
* AutoloadGeneralizedReference.java
*
* Copyright (C) 2014 Mark Evenson
* $Id$
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package org.armedbear.lisp;
import static org.armedbear.lisp.Lisp.*;
public final class AutoloadGeneralizedReference extends Autoload
{
Symbol indicator;
private AutoloadGeneralizedReference(Symbol symbol, Symbol indicator, String filename) {
super(symbol, filename, null);
this.indicator = indicator;
}
@Override
public void load()
{
Load.loadSystemFile(getFileName(), true);
}
static final Symbol SETF_EXPANDER = PACKAGE_SYS.intern("SETF-EXPANDER");
public static final Primitive AUTOLOAD_SETF_EXPANDER = new pf_autoload_setf_expander();
@DocString(
name="autoload-setf-expander",
args="symbol-or-symbols filename",
doc="Setup the autoload for SYMBOL-OR-SYMBOLS on the setf-expander from FILENAME."
)
private static final class pf_autoload_setf_expander extends Primitive {
pf_autoload_setf_expander() {
super("autoload-setf-expander", PACKAGE_EXT, true);
}
@Override
public LispObject execute(LispObject first, LispObject second) {
final String filename = second.getStringValue();
return installAutoloadGeneralizedReference(first, SETF_EXPANDER, filename);
}
};
static final Symbol SETF_FUNCTION = PACKAGE_SYS.intern("SETF-FUNCTION");
public static final Primitive AUTOLOAD_SETF_FUNCTION = new pf_autoload_setf_function();
@DocString(
name="autoload-setf-function",
args="symbol-or-symbols filename",
doc="Setup the autoload for SYMBOL-OR-SYMBOLS on the setf-function from FILENAME."
)
private static final class pf_autoload_setf_function extends Primitive {
pf_autoload_setf_function() {
super("autoload-setf-function", PACKAGE_EXT, true);
}
@Override
public LispObject execute(LispObject first, LispObject second) {
final String filename = second.getStringValue();
return installAutoloadGeneralizedReference(first, SETF_FUNCTION, filename);
}
};
public static final Primitive AUTOLOAD_REF_P = new pf_autoload_ref_p();
@DocString(
name="autoload-ref-p",
args="symbol",
doc="Boolean predicate for whether SYMBOL has generalized reference functions which need to be resolved."
)
private static final class pf_autoload_ref_p extends Primitive {
pf_autoload_ref_p() {
super("autoload-ref-p", PACKAGE_EXT, true, "symbol");
}
@Override
public LispObject execute(LispObject arg) {
LispObject list = checkSymbol(arg).getPropertyList();
while (list != NIL) {
if (list.car() instanceof AutoloadGeneralizedReference) {
return T;
}
list = list.cdr();
}
return NIL;
}
};
private static final LispObject installAutoloadGeneralizedReference(LispObject first,
Symbol indicator,
String filename)
{
if (first instanceof Symbol) {
Symbol symbol = checkSymbol(first);
install(symbol, indicator, filename);
return T;
}
if (first instanceof Cons) {
for (LispObject list = first; list != NIL; list = list.cdr()) {
Symbol symbol = checkSymbol(list.car());
install(symbol, indicator, filename);
}
return T;
}
return error(new TypeError(first));
}
private static LispObject install(Symbol symbol, Symbol indicator, String filename) {
if (get(symbol, indicator) == NIL) {
return Primitives.PUT.execute(symbol, indicator,
new AutoloadGeneralizedReference(symbol, indicator, filename));
} else {
return NIL;
}
}
@Override
public LispObject execute()
{
load();
return get(symbol, indicator, null).execute();
}
@Override
public LispObject execute(LispObject arg)
{
load();
return get(symbol, indicator, null).execute(arg);
}
@Override
public LispObject execute(LispObject first, LispObject second)
{
load();
return get(symbol, indicator, null).execute(first, second);
}
@Override
public LispObject execute(LispObject first, LispObject second,
LispObject third)
{
load();
return get(symbol, indicator, null).execute(first, second, third);
}
@Override
public LispObject execute(LispObject first, LispObject second,
LispObject third, LispObject fourth)
{
load();
return get(symbol, indicator, null).execute(first, second, third, fourth);
}
@Override
public LispObject execute(LispObject first, LispObject second,
LispObject third, LispObject fourth,
LispObject fifth)
{
load();
return get(symbol, indicator, null).execute(first, second, third, fourth, fifth);
}
@Override
public LispObject execute(LispObject first, LispObject second,
LispObject third, LispObject fourth,
LispObject fifth, LispObject sixth)
{
load();
return get(symbol, indicator, null).execute(first, second, third, fourth, fifth, sixth);
}
@Override
public LispObject execute(LispObject first, LispObject second,
LispObject third, LispObject fourth,
LispObject fifth, LispObject sixth,
LispObject seventh)
{
load();
return symbol.execute(first, second, third, fourth, fifth, sixth,
seventh);
}
@Override
public LispObject execute(LispObject first, LispObject second,
LispObject third, LispObject fourth,
LispObject fifth, LispObject sixth,
LispObject seventh, LispObject eighth)
{
load();
return get(symbol, indicator, null).execute(first, second, third, fourth, fifth, sixth,
seventh, eighth);
}
@Override
public LispObject execute(LispObject[] args)
{
load();
return get(symbol, indicator, null).execute(args);
}
}