/////////////////////////////////////////////////////////////////////////////////
public static MethodOrPropertySymbol FindMostDerivedMethod(
SymbolLoader symbolLoader,
MethodOrPropertySymbol pMethProp,
CType pType)
{
MethodSymbol method;
bool bIsIndexer = false;
if (pMethProp.IsMethodSymbol())
{
method = pMethProp.AsMethodSymbol();
}
else
{
PropertySymbol prop = pMethProp.AsPropertySymbol();
method = prop.methGet != null ? prop.methGet : prop.methSet;
if (method == null)
{
return null;
}
bIsIndexer = prop.isIndexer();
}
if (!method.isVirtual)
{
return method;
}
if (pType == null)
{
// This must be a static call.
return method;
}
// Now get the slot method.
if (method.swtSlot != null && method.swtSlot.Meth() != null)
{
method = method.swtSlot.Meth();
}
if (!pType.IsAggregateType())
{
// Not something that can have overrides anyway.
return method;
}
for (AggregateSymbol pAggregate = pType.AsAggregateType().GetOwningAggregate();
pAggregate != null && pAggregate.GetBaseAgg() != null;
pAggregate = pAggregate.GetBaseAgg())
{
for (MethodOrPropertySymbol meth = symbolLoader.LookupAggMember(method.name, pAggregate, symbmask_t.MASK_MethodSymbol | symbmask_t.MASK_PropertySymbol).AsMethodOrPropertySymbol();
meth != null;
meth = symbolLoader.LookupNextSym(meth, pAggregate, symbmask_t.MASK_MethodSymbol | symbmask_t.MASK_PropertySymbol).AsMethodOrPropertySymbol())
{
if (!meth.isOverride)
{
continue;
}
if (meth.swtSlot.Sym != null && meth.swtSlot.Sym == method)
{
if (bIsIndexer)
{
Debug.Assert(meth.IsMethodSymbol());
return meth.AsMethodSymbol().getProperty();
}
else
{
return meth;
}
}
}
}
// If we get here, it means we can have two cases: one is that we have
// a delegate. This is because the delegate invoke method is virtual and is
// an override, but we wont have the slots set up correctly, and will
// not find the base type in the inheritance hierarchy. The second is that
// we're calling off of the base itself.
Debug.Assert(method.parent.IsAggregateSymbol());
return method;
}
