private static VarAttribute ReadAttributeOrThrow(this TokFlow flow)
{
var start = flow.Current.Start;
flow.MoveNext();
if (!flow.MoveIf(TokType.Id, out var id))
{
throw ErrorFactory.ItIsNotAnAttribute(start, flow.Current);
}
object val = null;
if (flow.MoveIf(TokType.Obr))
{
var next = flow.Current;
switch (next.Type)
{
case TokType.False:
val = false;
break;
case TokType.True:
val = true;
break;
case TokType.RealNumber:
case TokType.HexOrBinaryNumber:
case TokType.IntNumber:
val = TokenHelper.ToConstant(next.Value).Item1;
break;
case TokType.Text:
val = next.Value;
break;
default:
throw ErrorFactory.ItIsNotCorrectAttributeValue(next);
}
flow.MoveNext();
if (!flow.MoveIf(TokType.Cbr))
{
throw ErrorFactory.AttributeCbrMissed(start, flow);
}
}
if (!flow.MoveIf(TokType.NewLine))
{
throw ErrorFactory.NowNewLineAfterAttribute(start, flow);
}
return(new VarAttribute(id.Value, val));
}
public static FunnyType ReadType(this TokFlow flow)
{
var cur = flow.Current;
var readType = ToFunnyType(cur);
flow.MoveNext();
var lastPosition = cur.Finish;
while (flow.IsCurrent(TokType.ArrOBr))
{
if (flow.Current.Start != lastPosition)
{
throw FunParseException.ErrorStubToDo("unexpected space before []");
}
flow.MoveNext();
lastPosition = flow.Current.Finish;
if (!flow.MoveIf(TokType.ArrCBr))
{
throw ErrorFactory.ArrTypeCbrMissed(new Interval(cur.Start, flow.Current.Start));
}
readType = FunnyType.ArrayOf(readType);
}
return(readType);
}