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Common Lisp implementation running on the JVM
/*
* SlotClass.java
*
* Copyright (C) 2003-2005 Peter Graves
* $Id$
*
* 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 class SlotClass extends LispClass
{
private LispObject directSlotDefinitions = NIL;
private LispObject slotDefinitions = NIL;
private LispObject directDefaultInitargs = NIL;
private LispObject defaultInitargs = NIL;
public SlotClass(Layout layout)
{
super(layout);
}
public SlotClass(Symbol symbol, LispObject directSuperclasses)
{
this(null, symbol, directSuperclasses);
}
public SlotClass(Layout layout,
Symbol symbol, LispObject directSuperclasses)
{
super(layout, symbol, directSuperclasses);
}
@Override
public LispObject getParts()
{
LispObject result = super.getParts().nreverse();
result = result.push(new Cons("DIRECT-SLOTS",
getDirectSlotDefinitions()));
result = result.push(new Cons("SLOTS", getSlotDefinitions()));
result = result.push(new Cons("DIRECT-DEFAULT-INITARGS",
getDirectDefaultInitargs()));
result = result.push(new Cons("DEFAULT-INITARGS",
getDefaultInitargs()));
return result.nreverse();
}
@Override
public LispObject typep(LispObject type)
{
return super.typep(type);
}
public LispObject getDirectSlotDefinitions()
{
return directSlotDefinitions;
}
public void setDirectSlotDefinitions(LispObject directSlotDefinitions)
{
this.directSlotDefinitions = directSlotDefinitions;
}
public LispObject getSlotDefinitions()
{
return slotDefinitions;
}
public void setSlotDefinitions(LispObject slotDefinitions)
{
this.slotDefinitions = slotDefinitions;
}
public LispObject getDirectDefaultInitargs()
{
return directDefaultInitargs;
}
public void setDirectDefaultInitargs(LispObject directDefaultInitargs)
{
this.directDefaultInitargs = directDefaultInitargs;
}
public LispObject getDefaultInitargs()
{
return defaultInitargs;
}
public void setDefaultInitargs(LispObject defaultInitargs)
{
this.defaultInitargs = defaultInitargs;
}
LispObject computeDefaultInitargs()
{
// KLUDGE (rudi 2012-06-02): duplicate initargs are not removed
// here, but this does not hurt us since no Lisp class we define
// Java-side has non-nil direct default initargs.
LispObject result = NIL;
LispObject cpl = getCPL();
while (cpl != NIL) {
LispClass c = (LispClass) cpl.car();
if (c instanceof StandardClass) {
LispObject obj = ((StandardClass)c).getDirectDefaultInitargs();
if (obj != NIL)
result = Symbol.APPEND.execute(result, obj);
}
cpl = cpl.cdr();
}
return result;
}
public void finalizeClass()
{
if (isFinalized())
return;
LispObject defs = getSlotDefinitions();
Debug.assertTrue(defs == NIL);
LispObject cpl = getCPL();
Debug.assertTrue(cpl != null);
Debug.assertTrue(cpl.listp());
cpl = cpl.reverse();
while (cpl != NIL) {
LispObject car = cpl.car();
if (car instanceof StandardClass) {
StandardClass cls = (StandardClass) car;
LispObject directDefs = cls.getDirectSlotDefinitions();
Debug.assertTrue(directDefs != null);
Debug.assertTrue(directDefs.listp());
while (directDefs != NIL) {
defs = defs.push(directDefs.car());
directDefs = directDefs.cdr();
}
}
cpl = cpl.cdr();
}
setSlotDefinitions(defs.nreverse());
LispObject[] instanceSlotNames = new LispObject[defs.length()];
int i = 0;
LispObject tail = getSlotDefinitions();
while (tail != NIL) {
SlotDefinition slotDefinition = (SlotDefinition) tail.car();
slotDefinition.setInstanceSlotValue(Symbol.LOCATION,
Fixnum.getInstance(i));
instanceSlotNames[i++] =
slotDefinition.getInstanceSlotValue(Symbol.NAME);
tail = tail.cdr();
}
setClassLayout(new Layout(this, instanceSlotNames, NIL));
setDefaultInitargs(computeDefaultInitargs());
setFinalized(true);
}
@DocString(name="%class-direct-slots")
private static final Primitive CLASS_DIRECT_SLOTS
= new pf__class_direct_slots();
private static final class pf__class_direct_slots extends Primitive
{
pf__class_direct_slots()
{
super("%class-direct-slots", PACKAGE_SYS, true);
}
@Override
public LispObject execute(LispObject arg)
{
if (arg instanceof SlotClass)
return ((SlotClass)arg).getDirectSlotDefinitions();
if (arg instanceof BuiltInClass)
return NIL;
return type_error(arg, Symbol.STANDARD_CLASS);
}
};
@DocString(name="%set-class-direct-slots")
private static final Primitive _SET_CLASS_DIRECT_SLOT
= new pf__set_class_direct_slots();
private static final class pf__set_class_direct_slots extends Primitive
{
pf__set_class_direct_slots()
{
super("%set-class-direct-slots", PACKAGE_SYS, true);
}
@Override
public LispObject execute(LispObject first, LispObject second)
{
if (second instanceof SlotClass) {
((SlotClass)second).setDirectSlotDefinitions(first);
return first;
} else {
return type_error(second, Symbol.STANDARD_CLASS);
}
}
};
@DocString(name="%class-slots",
args="class")
private static final Primitive _CLASS_SLOTS
= new pf__class_slots();
private static final class pf__class_slots extends Primitive
{
pf__class_slots()
{
super(Symbol._CLASS_SLOTS, "class");
}
@Override
public LispObject execute(LispObject arg)
{
if (arg instanceof SlotClass)
return ((SlotClass)arg).getSlotDefinitions();
if (arg instanceof BuiltInClass)
return NIL;
return type_error(arg, Symbol.STANDARD_CLASS);
}
};
@DocString(name="%set-class-slots",
args="class slot-definitions")
private static final Primitive _SET_CLASS_SLOTS
= new pf__set_class_slots();
private static final class pf__set_class_slots extends Primitive
{
pf__set_class_slots()
{
super(Symbol._SET_CLASS_SLOTS, "class slot-definitions");
}
@Override
public LispObject execute(LispObject first, LispObject second)
{
if (second instanceof SlotClass) {
((SlotClass)second).setSlotDefinitions(first);
return first;
} else {
return type_error(second, Symbol.STANDARD_CLASS);
}
}
};
@DocString(name="%class-direct-default-initargs")
private static final Primitive CLASS_DIRECT_DEFAULT_INITARGS
= new pf__class_direct_default_initargs();
private static final class pf__class_direct_default_initargs extends Primitive
{
pf__class_direct_default_initargs()
{
super("%class-direct-default-initargs", PACKAGE_SYS, true);
}
@Override
public LispObject execute(LispObject arg)
{
if (arg instanceof SlotClass)
return ((SlotClass)arg).getDirectDefaultInitargs();
if (arg instanceof BuiltInClass)
return NIL;
return type_error(arg, Symbol.STANDARD_CLASS);
}
};
@DocString(name="%set-class-direct-default-initargs")
private static final Primitive _SET_CLASS_DIRECT_DEFAULT_INITARGS
= new pf__set_class_direct_default_initargs();
private static final class pf__set_class_direct_default_initargs extends Primitive
{
pf__set_class_direct_default_initargs()
{
super("%set-class-direct-default-initargs", PACKAGE_SYS, true);
}
@Override
public LispObject execute(LispObject first, LispObject second)
{
if (second instanceof SlotClass) {
((SlotClass)second).setDirectDefaultInitargs(first);
return first;
}
return type_error(second, Symbol.STANDARD_CLASS);
}
};
@DocString(name="%class-default-initargs")
private static final Primitive CLASS_DEFAULT_INITARGS
= new pf__class_default_initargs();
private static final class pf__class_default_initargs extends Primitive
{
pf__class_default_initargs()
{
super("%class-default-initargs", PACKAGE_SYS, true);
}
@Override
public LispObject execute(LispObject arg)
{
if (arg instanceof SlotClass)
return ((SlotClass)arg).getDefaultInitargs();
if (arg instanceof BuiltInClass)
return NIL;
return type_error(arg, Symbol.STANDARD_CLASS);
}
};
@DocString(name="%set-class-default-initargs")
private static final Primitive _SET_CLASS_DEFAULT_INITARGS
= new pf__set_class_default_initargs();
private static final class pf__set_class_default_initargs extends Primitive
{
pf__set_class_default_initargs()
{
super("%set-class-default-initargs", PACKAGE_SYS, true);
}
@Override
public LispObject execute(LispObject first, LispObject second)
{
if (second instanceof SlotClass) {
((SlotClass)second).setDefaultInitargs(first);
return first;
}
return type_error(second, Symbol.STANDARD_CLASS);
}
};
}