list function has been added
This commit is contained in:
parent
39a28bd780
commit
e6a5507820
|
@ -44,6 +44,9 @@ public class RootScope extends AScope {
|
||||||
put("or", new OrFn());
|
put("or", new OrFn());
|
||||||
put("not", new NotFn());
|
put("not", new NotFn());
|
||||||
put("conj", new ConjFn());
|
put("conj", new ConjFn());
|
||||||
|
put("list", new ListFn());
|
||||||
|
// put("let", new LetFn());
|
||||||
|
// put("cond", new CondFn());
|
||||||
//put("reduce", new ReduceFn());
|
//put("reduce", new ReduceFn());
|
||||||
put("System", System.class);
|
put("System", System.class);
|
||||||
put("Boolean", Boolean.class);
|
put("Boolean", Boolean.class);
|
||||||
|
|
|
@ -0,0 +1,52 @@
|
||||||
|
/**
|
||||||
|
* Serene (simple) - A PoC lisp to collect data on Serenes concepts
|
||||||
|
* Copyright (C) 2019-2020 Sameer Rahmani <lxsameer@gnu.org>
|
||||||
|
*
|
||||||
|
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||||
|
* MA 02110-1301, USA.
|
||||||
|
*/
|
||||||
|
package serene.simple.builtin;
|
||||||
|
|
||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.Collections;
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
import serene.simple.IScope;
|
||||||
|
import serene.simple.ListNode;
|
||||||
|
import serene.simple.SereneException;
|
||||||
|
|
||||||
|
|
||||||
|
public class ListFn extends AFn {
|
||||||
|
public String fnName() {
|
||||||
|
return "list";
|
||||||
|
};
|
||||||
|
|
||||||
|
public Object eval(IScope scope) throws SereneException{
|
||||||
|
ArrayList<Object> args = (ArrayList<Object>) this.arguments();
|
||||||
|
|
||||||
|
if (args.size() == 0) {
|
||||||
|
return ListNode.EMPTY;
|
||||||
|
}
|
||||||
|
|
||||||
|
ListNode<Object> list = (ListNode<Object>) ListNode.EMPTY;
|
||||||
|
Collections.reverse(args);
|
||||||
|
|
||||||
|
for (Object x : args) {
|
||||||
|
list = new ListNode<Object>(x, list);
|
||||||
|
}
|
||||||
|
|
||||||
|
return list;
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in New Issue