/// <summary>
/// Allocate a field of the state machine of the given type, to serve as a temporary.
/// </summary>
private SynthesizedFieldSymbolBase AllocTemp(TypeSymbol type)
{
SynthesizedFieldSymbolBase result = null;
// See if we've allocated a temp field we can reuse. Not particularly efficient, but
// there should not normally be a lot of hoisted temps.
for (int i = 0; i < availableFields.Count; i++)
{
SynthesizedFieldSymbolBase f = availableFields[i];
if (f.Type == type)
{
result = f;
availableFields.RemoveAt(i);
break;
}
}
if ((object)result == null)
{
var fieldName = GeneratedNames.SpillTempName(nextTempNumber++);
result = F.StateMachineField(type, fieldName, isPublic: true);
}
return(result);
}
internal void AllocateField(BoundSpillTemp spill)
{
Debug.Assert(!realizedSpills.ContainsKey(spill));
FieldSymbol field;
if (!allocatedFields.TryPop(spill.Type, out field))
{
field = F.SynthesizeField(spill.Type, GeneratedNames.SpillTempName(CompilationState.GenerateTempNumber()));
}
realizedSpills[spill] = field;
}