// (C) Uri Wilensky. https://github.com/NetLogo/NetLogo
package org.nlogo.prim;
import org.nlogo.agent.Turtle;
import org.nlogo.api.LogoException;
import org.nlogo.api.Nobody$;
import org.nlogo.api.Syntax;
import org.nlogo.nvm.Context;
import org.nlogo.nvm.EngineException;
import org.nlogo.nvm.Reporter;
public final strictfp class _turtle extends Reporter {
@Override
public Syntax syntax() {
return Syntax.reporterSyntax
(new int[]{Syntax.NumberType()},
Syntax.TurtleType() | Syntax.NobodyType());
}
@Override
public Object report(Context context) throws LogoException {
return report_1(context, argEvalDoubleValue(context, 0));
}
public Object report_1(Context context, double idDouble)
throws LogoException {
long id = validLong(idDouble);
if (id != idDouble) {
throw new EngineException
(context, this, idDouble + " is not an integer");
}
Turtle turtle = world.getTurtle(id);
if (turtle == null) {
return Nobody$.MODULE$;
}
return turtle;
}
}