public virtual Pair ToList()
{
Pair result = null;
foreach (object o in this)
{
result = new Pair(o, result);
}
return((Pair)result.Reverse());
}
public static object CompileQuasiQuote(int level, object arg, Environment environment)
{
if (level == 0)
{
return(Compile1(arg, environment));
}
if (arg is ISequence)
{
ISequence c = (ISequence)arg;
if (c.First() == UNQUOTE)
{
return(new Pair(UNQUOTE, new Pair(CompileQuasiQuote(level - 1, Runtime.Car(Runtime.Cdr(arg)), environment))));
}
if ((level == 1) && (c.First() == UNQUOTE_SPLICING))
{
return(new Pair(UNQUOTE_SPLICING, new Pair(CompileQuasiQuote(level - 1, Runtime.Car(Runtime.Cdr(arg)), environment))));
}
if (c.First() == QUASIQUOTE)
{
return(new Pair(QUASIQUOTE, new Pair(CompileQuasiQuote(level + 1, Runtime.Car(Runtime.Cdr(arg)), environment))));
}
Pair r = null;
foreach (object o in c)
{
r = new Pair(CompileQuasiQuote(level, o, environment), r);
}
return(r.Reverse());
}
return(arg);
}
public virtual Pair ToList()
{
Pair result = null;
foreach (object o in this)
{
result = new Pair(o, result);
}
return (Pair)result.Reverse();
}
public static ISequence Range(int start, int finish, int step)
{
Pair result = null;
for (int i = start; i < finish; i += step)
{
result = new Pair(i, result);
}
return result.Reverse();
}
public static object CompileQuasiQuote(int level, object arg, Environment environment)
{
if (level == 0)
return Compile1(arg, environment);
if (arg is ISequence)
{
ISequence c = (ISequence)arg;
if (c.First() == UNQUOTE)
{
return new Pair(UNQUOTE,new Pair(CompileQuasiQuote(level - 1, Runtime.Car(Runtime.Cdr(arg)),environment)));
}
if ((level == 1) && (c.First() == UNQUOTE_SPLICING))
{
return new Pair(UNQUOTE_SPLICING, new Pair(CompileQuasiQuote(level - 1, Runtime.Car(Runtime.Cdr(arg)), environment)));
}
if (c.First() == QUASIQUOTE)
{
return new Pair(QUASIQUOTE, new Pair(CompileQuasiQuote(level + 1, Runtime.Car(Runtime.Cdr(arg)), environment)));
}
Pair r = null;
foreach (object o in c)
{
r = new Pair(CompileQuasiQuote(level, o,environment), r);
}
return r.Reverse();
}
return arg;
}