public Node eval(Environment env)
{
if(this.isSymbol())
{
id = new Ident(this.getName());
return id.eval(this, env);
}
return this;
}
} // BuiltIn
public virtual Node eval(Environment e)
{
if (this.isSymbol())
{
Ident id = new Ident(this.getName());
return(id.eval(this, e));
}
return(this);
}
public virtual Node eval(Environment env)
{
if (this is Ident)
{
iden = new Ident(this.getName());
return(iden.eval(this, env));
}
return(this);
}