public static string GenerateAssignLocal(Symbol s, object value, LSharp.Environment environment)
{
if (environment.Contains(s))
{
string ns = MakeUnique(s.Name);
environment.AssignLocal(s, ns);
if (value is string)
{
return string.Format(@"{1}
object {0} = retval;", ns, value) + NewLine;
}
else
{
return string.Format(@"{2} {0} = {1};",
ns, value, value.GetType()) + NewLine;
}
}
else
{
environment.AssignLocal(s, s.Name);
if (value is string)
{
return string.Format(@"{1}
object {0} = retval;", s.Name, value) + NewLine;
}
else
{
return string.Format(@"{2} {0} = {1};", s.Name, value, value.GetType()) + NewLine;
}
}
}
public static string GenerateAssign(Symbol s, object value, LSharp.Environment environment)
{
if (environment.Contains(s))
{
object sn = environment.GetValue(s);
return string.Format(@"{1}
{0} = retval;",
sn, value) + NewLine;
}
else
{
environment.Assign(s, s.Name);
return string.Format(@"{1}
object {0} = retval;",
s.Name, value) + NewLine;
}
}
public static string GenerateList(Cons rest, LSharp.Environment environment, string margs)
{
string v = string.Format(@"System.Collections.ArrayList {0} = new System.Collections.ArrayList({1});
", margs, rest.Length());
// load args
foreach (object argo in rest)
{
if (argo is Symbol)
{
Symbol sarg = (Symbol)argo;
if (environment.Contains(sarg))
{
v += string.Format(@"{1}.Add({0});
", environment.GetValue(sarg), margs);
}
else
{
v += Generate(argo, environment);
v += margs + @".Add(retval);
";
}
}
else if (argo is Cons)
{
v += Generate(argo, environment);
v += margs + @".Add(retval);
";
}
else
{
// load primitive
v += string.Format(@"{1}.Add({0});
", Printer.WriteToString(argo), margs);
}
}
return v;
}
public static string GenerateFuncCall(string type, string method, Cons rest, LSharp.Environment environment)
{
string v = string.Empty;
string typemeth = method;
if (type != null)
{
typemeth = type + "." + method;
}
if (rest == null)
{
return v + "retval = " + typemeth
+ string.Format(@"(null, environment);
");
}
else
{
if (rest.Length() == 1)
{
object argo = rest.First();
string argn = "retval";
if (argo is Symbol)
{
Symbol sarg = (Symbol)argo;
if (environment.Contains(sarg))
{
argn = environment.GetValue(sarg) as string;
}
else
{
v += Generate(argo, environment);
}
}
else if (argo is Cons)
{
v += Generate(argo, environment);
}
else
{
// load primitive
argn = Printer.WriteToString(argo);
}
return v + "retval = " + typemeth
+ string.Format(@"(new LSharp.Cons({0}), environment);
", argn);
}
else
{
string margs = GetArgs();
v += GenerateList(rest, environment, margs);
return v + "retval = " + typemeth
+ string.Format(@"(LSharp.Cons.FromList({0}), environment);
", margs);
}
}
}
public static string Generate(object obj, LSharp.Environment environment)
{
if (obj is Cons)
{
return GenerateCons(obj as Cons, environment);
}
string s = "// " + Printer.WriteToString(obj) + NewLine;
if (obj is Symbol)
{
if (environment.Contains(obj as Symbol))
{
string symn = environment.GetValue(obj as Symbol) as string;
return s + "retval = " + symn + ";" + NewLine;
}
else
{
return s + "retval = " + obj + ";" + NewLine;
}
}
else
{
return s + "retval = " + Printer.WriteToString(obj) + ";" + NewLine;
}
}