'do' special mode has been added
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@ -0,0 +1,37 @@
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/**
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* Serene (simple) - A PoC lisp to collect data on Serenes concepts
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* Copyright (C) 2019-2020 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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package serene.simple;
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public class DoSpecialForm extends SpecialForm {
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public DoSpecialForm(ListNode<Node> listNode) {
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super(listNode);
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}
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@Override
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public Object eval(IScope scope) {
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Object result = ListNode.EMPTY;
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for(Node x: this.node.rest()) {
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result = x.eval(scope);
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}
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return result;
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}
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}
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@ -27,6 +27,7 @@ public class SpecialForm extends Node {
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private static final SymbolNode QUOTE = new SymbolNode("quote");
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private static final SymbolNode LET = new SymbolNode("let");
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private static final SymbolNode COND = new SymbolNode("cond");
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private static final SymbolNode DO = new SymbolNode("do");
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public ListNode<Node> node;
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@ -43,6 +44,8 @@ public class SpecialForm extends Node {
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return new DefSpecialForm(l);
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} else if (l.first().equals(LET)){
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return new LetSpecialForm(l);
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} else if (l.first().equals(DO)){
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return new DoSpecialForm(l);
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} else if (l.first().equals(COND)){
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return new CondSpecialForm(l);
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} else if (l.first().equals(FN)) {
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