eq fn has been added
This commit is contained in:
parent
b19016f2f0
commit
516a606aab
|
@ -22,14 +22,8 @@ package serene.simple;
|
||||||
import java.util.HashMap;
|
import java.util.HashMap;
|
||||||
import java.util.Map;
|
import java.util.Map;
|
||||||
|
|
||||||
import serene.simple.builtin.PrintlnFn;
|
import serene.simple.builtin.*;
|
||||||
import serene.simple.builtin.QuitFn;
|
|
||||||
import serene.simple.builtin.PlusFn;
|
|
||||||
import serene.simple.builtin.MinusFn;
|
|
||||||
import serene.simple.builtin.TimesFn;
|
|
||||||
import serene.simple.builtin.ObelusFn;
|
|
||||||
import serene.simple.builtin.ModFn;
|
|
||||||
import serene.simple.builtin.NewFn;
|
|
||||||
|
|
||||||
public class RootScope extends AScope {
|
public class RootScope extends AScope {
|
||||||
|
|
||||||
|
@ -41,6 +35,7 @@ public class RootScope extends AScope {
|
||||||
put("*", new TimesFn());
|
put("*", new TimesFn());
|
||||||
put("/", new ObelusFn());
|
put("/", new ObelusFn());
|
||||||
put("mod", new ModFn());
|
put("mod", new ModFn());
|
||||||
|
put("=", new EqFn());
|
||||||
put("System", System.class);
|
put("System", System.class);
|
||||||
put("Boolean", Boolean.class);
|
put("Boolean", Boolean.class);
|
||||||
put("String", String.class);
|
put("String", String.class);
|
||||||
|
@ -48,7 +43,6 @@ public class RootScope extends AScope {
|
||||||
}};
|
}};
|
||||||
|
|
||||||
|
|
||||||
// "mod", ModFn,
|
|
||||||
// "now", NowFn,;
|
// "now", NowFn,;
|
||||||
|
|
||||||
public RootScope() {
|
public RootScope() {
|
||||||
|
|
|
@ -150,6 +150,9 @@ public class SNumber {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Double number implementation.
|
||||||
|
*/
|
||||||
public static class DoubleNumber implements IOps {
|
public static class DoubleNumber implements IOps {
|
||||||
private Double v;
|
private Double v;
|
||||||
|
|
||||||
|
|
|
@ -22,7 +22,7 @@ package serene.simple;
|
||||||
public class TrueNode extends Node {
|
public class TrueNode extends Node {
|
||||||
@Override
|
@Override
|
||||||
public Object eval(IScope scope) {
|
public Object eval(IScope scope) {
|
||||||
return true;
|
return Boolean.TRUE;
|
||||||
}
|
}
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
|
|
|
@ -0,0 +1,59 @@
|
||||||
|
/**
|
||||||
|
* 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.List;
|
||||||
|
|
||||||
|
import serene.simple.IScope;
|
||||||
|
import serene.simple.SNumber;
|
||||||
|
import serene.simple.SereneException;
|
||||||
|
|
||||||
|
|
||||||
|
public class EqFn extends AFn {
|
||||||
|
public String fnName() {
|
||||||
|
return "=";
|
||||||
|
};
|
||||||
|
|
||||||
|
public Object eval(IScope scope) throws SereneException{
|
||||||
|
List<Object> args = this.arguments();
|
||||||
|
|
||||||
|
if (args.size() == 0) {
|
||||||
|
throw new SereneException(
|
||||||
|
"ArityError: You need 1 or more parameters for this functions.");
|
||||||
|
}
|
||||||
|
|
||||||
|
if (args.size() == 1) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
Object result = args.get(0);
|
||||||
|
|
||||||
|
for (Object x : args.subList(1, args.size())) {
|
||||||
|
if (x == null) {
|
||||||
|
result = (Object) (result == null);
|
||||||
|
}
|
||||||
|
else {
|
||||||
|
result = result.equals(x);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return (boolean) result;
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in New Issue