Variable GetFromArray()
{
SkipCharWS('[');
VarDeque kids = new VarDeque();
P6opaque obj = new P6opaque(Kernel.ArrayMO);
obj.SetSlot("items", kids);
obj.SetSlot("rest", new VarDeque());
bool comma = false;
string a_tag = null;
if (SkipWhite(true) == '"')
{
GetString();
comma = true;
}
if (comma)
{
if (s_content_type == NONE)
{
a_tag = s_tag;
if (s_anchor != null)
{
AddAnchor(s_anchor, obj);
}
}
else
{
kids.Push(GetFromString());
}
}
while (true)
{
if (SkipWhite(true) == ']')
{
break;
}
if (comma)
{
SkipChar(',');
}
kids.Push(GetObj());
comma = true;
}
SkipCharWS(']');
if (a_tag != null)
{
Err("Typed arrays are NYI in Niecza Perl 6");
}
return(Kernel.NewRWScalar(Kernel.AnyMO, obj));
}
public static Variable BoxLoS(string[] los)
{
VarDeque items = new VarDeque();
foreach (string i in los)
items.Push(Kernel.BoxAnyMO(i, Kernel.StrMO));
P6any l = new P6opaque(Kernel.ListMO);
l.SetSlot("rest", new VarDeque());
l.SetSlot("items", items);
return Kernel.NewRWListVar(l);
}
public static Variable array_constructor(Variable bits)
{
VarDeque rest = start_iter(bits);
VarDeque items = new VarDeque();
while (Kernel.IterHasFlat(rest, true))
items.Push(Kernel.NewMuScalar(rest.Shift().Fetch()));
P6any l = new P6opaque(Kernel.ArrayMO);
l.SetSlot("rest", rest);
l.SetSlot("items", items);
return Kernel.NewROScalar(l);
}
public static Variable pair(Variable key, Variable value)
{
P6any l = new P6opaque(Kernel.PairMO);
l.SetSlot("key", key);
l.SetSlot("value", value);
return Kernel.NewROScalar(l);
}
Variable GetFromJson(bool top_level)
{
char look = SkipWhite(true);
if (look == '[')
{
VarDeque q = new VarDeque();
SkipChar('[');
while (true)
{
look = SkipWhite(true);
if (look == ']')
{
break;
}
if (q.Count() != 0)
{
SkipChar(',');
}
q.Push(GetFromJson(false));
}
SkipWhite(true);
SkipChar(']');
P6any i = new P6opaque(Kernel.ArrayMO);
i.SetSlot("items", q);
i.SetSlot("rest", new VarDeque());
return(Kernel.NewROScalar(i));
}
else if (look == '{')
{
VarHash q = new VarHash();
int ct = 0;
SkipChar('{');
while (true)
{
look = SkipWhite(true);
if (look == '}')
{
break;
}
if (ct != 0)
{
SkipCharWS(',');
}
ct++;
string key = GetJsonString();
SkipWhite(true);
SkipChar(':');
q[key] = GetFromJson(false);
}
SkipWhite(true);
SkipChar('}');
return(BoxRW <VarHash>(q, Kernel.HashMO));
}
else if (top_level)
{
Err("Top-level scalar found");
return(null);
}
else if (look == '"')
{
return(BoxRW <string>(GetJsonString(), Kernel.StrMO));
}
else if (look == 'n')
{
SkipToken("null");
return(Kernel.NewMuScalar(Kernel.AnyP));
}
else if (look == 't')
{
SkipToken("true");
return(Kernel.NewMuScalar(Kernel.TrueV.Fetch()));
}
else if (look == 'f')
{
SkipToken("false");
return(Kernel.NewMuScalar(Kernel.FalseV.Fetch()));
}
else
{
double d;
string tx = GetJsonNumber();
if (!Utils.S2NB(tx, out d))
{
Err("Unparsable number " + tx);
}
return(BoxRW <double>(d, Kernel.NumMO));
}
}
public static P6any MakePair(Variable key, Variable value)
{
P6any l = new P6opaque(Kernel.PairMO);
l.SetSlot(Kernel.EnumMO, "$!key", key);
l.SetSlot(Kernel.EnumMO, "$!value", value);
return l;
}
public static P6any MakeList(VarDeque items, VarDeque rest)
{
P6any l = new P6opaque(Kernel.ListMO);
l.SetSlot(Kernel.ListMO, "$!rest", rest);
l.SetSlot(Kernel.ListMO, "$!items", items);
return l;
}