66 lines
2.1 KiB
Java
66 lines
2.1 KiB
Java
/**
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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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import java.util.HashMap;
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import serene.simple.builtin.PrintlnFn;
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import serene.simple.builtin.QuitFn;
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import serene.simple.builtin.PlusFn;
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import serene.simple.builtin.NewFn;
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public class RootScope extends BaseScope {
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private final BaseScope parent;
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private final HashMap<String, Object> symbolsMapping = new HashMap<String, Object>() {{
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put("println", new PrintlnFn());
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put("quit", new QuitFn());
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put("+", new PlusFn());
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put("System", System.class);
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put("Boolean", Boolean.class);
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put("String", String.class);
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put("new", new NewFn());
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}};
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// "+", PlusFn,
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// "-", MinusFn,
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// "*", TimesFn,
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// "/", ObelusFn,
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// "mod", ModFn,
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// "now", NowFn,
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public RootScope() {
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this.parent = null;
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}
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@Override
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public Object lookupSymbol(String symbolName) {
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if (this.symbolsMapping.containsKey(symbolName)) {
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return this.symbolsMapping.get(symbolName);
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}
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else {
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throw new RuntimeException(String.format("Symbol '%s' is not defined in this scope.",
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symbolName));
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}
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}
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public void insertSymbol(String symbolName, Object symbolValue) {
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this.symbolsMapping.put(symbolName, symbolValue);
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}
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}
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