public void AssignFrom(StackPlace place, ReferenceCapability referenceCapability)
{
if (place.Graph != Graph)
{
throw new ArgumentException("Must be part of the same graph", nameof(place));
}
switch (referenceCapability)
{
default:
throw ExhaustiveMatch.Failed(referenceCapability);
case ReferenceCapability.Owned:
case ReferenceCapability.OwnedMutable:
case ReferenceCapability.Isolated:
case ReferenceCapability.IsolatedMutable:
case ReferenceCapability.Held:
case ReferenceCapability.HeldMutable:
MoveFrom(place);
break;
case ReferenceCapability.Shared:
ShareFrom(place);
break;
case ReferenceCapability.Borrowed:
BorrowFrom(place);
break;
case ReferenceCapability.Identity:
IdentityFrom(place);
break;
}
}
public void IdentityFrom(StackPlace place)
{
if (place.Graph != Graph)
{
throw new ArgumentException("Must be part of the same graph", nameof(place));
}
references.AddRange(place.References.Select(r => r.Identify()).DistinctBy(r => r.Referent));
Graph.Dirty();
}
public void MoveFrom(StackPlace place)
{
if (place.Graph != Graph)
{
throw new ArgumentException("Must be part of the same graph", nameof(place));
}
references.AddRange(place.StealReferences());
Graph.Dirty();
}
public void BorrowFrom(StackPlace place)
{
if (place.Graph != Graph)
{
throw new ArgumentException("Must be part of the same graph", nameof(place));
}
foreach (var reference in place.References)
{
references.Add(reference.Borrow());
}
Graph.Dirty();
}
private static void AppendStackItem(
StringBuilder dot,
StackPlace place,
string nodeType,
Dictionary <MemoryPlace, string> nodes,
ref int nextNode)
{
var port = nodeType + nextNode;
nodes.Add(place, "stack:" + port + ":e");
var label = Escape(place.ToString() !);
var color = "";
if (!place.IsAllocated)
{
color = " COLOR=\"red\"";
label = $"<S>{label}</S>";
}
dot.AppendLine($" <TR><TD PORT=\"{port}\" ALIGN=\"LEFT\"{color}>{label}</TD></TR>");
nextNode += 1;
}