public LinqRoot <V> SelectMany <V>(SigilFunc <T, IEnumerable <V> > p)
{
return(LinqAlternative.SelectMany(InnerEnumerable(), p));
}
public LinqRoot <V> SelectMany <V>(SigilFunc <T, LinqRoot <V> > p)
{
return(LinqAlternative.SelectMany(InnerEnumerable(), x => p(x).AsEnumerable()));
}
private LinqList <StackTransition> GetLegalTransitions(LinqList <StackTransition> ops, LinqStack <LinqList <TypeOnStack> > runningStack)
{
var ret = new LinqList <StackTransition>(ops.Count);
for (var i = 0; i < ops.Count; i++)
{
var w = ops[i];
if (LinqAlternative.All(w.PoppedFromStack, u => u == TypeOnStack.Get <PopAllType>()))
{
ret.Add(w);
continue;
}
var onStack = runningStack.Peek(IsBaseless, w.PoppedCount);
if (onStack == null)
{
continue;
}
if (LinqAlternative.Any(w.PushedToStack, p => p == TypeOnStack.Get <SamePointerType>()))
{
if (w.PushedToStack.Length > 1)
{
throw new Exception("SamePointerType can be only product of a transition which contains it");
}
var shouldBePointer = LinqAlternative.SelectMany(onStack, p => p.Where(x => x.IsPointer || x == TypeOnStack.Get <WildcardType>()).AsEnumerable()).Distinct().ToList();
if (shouldBePointer.Count == 0)
{
continue;
}
w = new StackTransition(w.PoppedFromStack, new [] { shouldBePointer.Single() });
}
if (LinqAlternative.Any(w.PushedToStack, p => p == TypeOnStack.Get <SameByRefType>()))
{
if (w.PushedToStack.Length > 1)
{
throw new Exception("SameByRefType can be only product of a transition which contains it");
}
var shouldBeByRef = LinqAlternative.SelectMany(onStack, p => p.Where(x => x.IsReference || x == TypeOnStack.Get <WildcardType>()).AsEnumerable()).Distinct().ToList();
if (shouldBeByRef.Count == 0)
{
continue;
}
w = new StackTransition(w.PoppedFromStack, new[] { shouldBeByRef.Single() });
}
bool outerContinue = false;
for (var j = 0; j < w.PoppedCount; j++)
{
var shouldBe = w.PoppedFromStack[j];
var actuallyIs = onStack[j];
if (!actuallyIs.Any(a => shouldBe.IsAssignableFrom(a)))
{
outerContinue = true;
break;
}
}
if (outerContinue)
{
continue;
}
ret.Add(w);
}
return(ret);
}