internal static Cons ToImproper(Cons c)
{
Cons i = c;
Cons j = null;
while (i.cdr != null)
{
j = i;
i = i.cdr as Cons;
if (i == null)
{
return(c); // improper already
}
}
j.cdr = i.car;
return(c);
}
public static object Apply(object fn, object list)
{
Cons args = Requires <Runtime.Cons>(list);
Callable c = RequiresNotNull <Callable>(fn);
if (args == null)
{
return(c.Call());
}
List <object> targs = new List <object>();
while (args != null)
{
targs.Add(args.car);
args = args.cdr as Cons;
}
return(c.Call(targs.ToArray()));
}
public static Cons FromArray(params object[] args)
{
if (args == null)
{
return(null);
}
if (args.Length == 0)
{
return(null);
}
else if (args.Length == 1)
{
return(new Cons(args[0]));
}
else
{
return(Cons.FromList(args));
}
}
public static Cons FromList(IEnumerable list)
{
if (list == null)
{
return(null);
}
Cons first = null;
Cons c = null;
foreach (object var in list)
{
if (c == null)
{
first = c = new Cons(var);
}
else
{
Cons d = new Cons(var);
c.cdr = d;
c = d;
}
}
return(first);
}
public static double[] ListToFlonumVector(Cons list)
{
return(ListToVector <double>(list));
}
public static object[] ListToVector(object args)
{
Cons e = Requires <Cons>(args);
return(ListToVector(e));
}
public static int[] ListToFixnumVector(Cons list)
{
return(ListToVector <int>(list));
}
public override object Call(object[] args)
{
try
{
object ppo;
if (Builtins.cc.Scope.TryLookupName(SymbolTable.StringToId("trace-printer"), out ppo))
{
ppo = (ppo as Callable).Call();
}
else
{
ppo = "write".Eval();
}
Callable pp = ppo as Callable;
depth++;
Cons c = Runtime.Cons.FromArray(args), u = c;
if (filter != null)
{
while (c != null)
{
c.car = filter.Call(c.car);
c = c.cdr as Cons;
}
}
object a = args.Length == 1 ? Builtins.Car(u) : u;
StringWriter pre = new StringWriter();
pp.Call(a, pre);
string prefix = new string('|', depth);
if ((Console.LargestWindowWidth | Console.LargestWindowHeight) == 0)
{
Console.WriteLine("{0} -> {1}", prefix, name);
Console.WriteLine(pre.GetBuffer().TrimEnd(Environment.NewLine.ToCharArray()));
object result = realtarget.Call(args);
StringWriter p = new StringWriter();
pp.Call(filter == null ? result : filter.Call(result), p);
Console.WriteLine("{0} <- {1}", prefix, name);
Console.WriteLine(p.GetBuffer().TrimEnd(Environment.NewLine.ToCharArray()));
return(result);
}
else
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("{0} -> {1}", prefix, name);
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine(pre.GetBuffer().TrimEnd(Environment.NewLine.ToCharArray()));
Console.ForegroundColor = ConsoleColor.Gray;
object result = realtarget.Call(args);
StringWriter p = new StringWriter();
pp.Call(filter == null ? result : filter.Call(result), p);
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("{0} <- {1}", prefix, name);
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine(p.GetBuffer().TrimEnd(Environment.NewLine.ToCharArray()));
Console.ForegroundColor = ConsoleColor.Gray;
return(result);
}
}
finally
{
depth--;
}
}