private ASMultiname GetTraitType(ASContainer container, ASMultiname traitName)
{
if (container == null)
{
return(traitName);
}
return(container.GetTraits(TraitKind.Slot, TraitKind.Constant, TraitKind.Getter)
.FirstOrDefault(t => t.QName == traitName)?.Type);
}
private List <HReference> FindMessageReferences(ASClass fromClass, ASContainer fromContainer, ASMethod fromMethod)
{
int instructionRank = 0;
ABCFile abc = fromMethod.GetABC();
Stack <ASMultiname> nameStack = new Stack <ASMultiname>();
List <HReference> references = new List <HReference>();
ASContainer container = null;
ASCode code = fromMethod.Body.ParseCode();
for (int i = 0; i < code.Count; i++)
{
ASInstruction instruction = code[i];
switch (instruction.OP)
{
default: continue;
case OPCode.NewFunction:
{
NewFunctionIns newFunction = (NewFunctionIns)instruction;
references.AddRange(FindMessageReferences(fromClass, fromContainer, newFunction.Method));
continue;
}
case OPCode.GetProperty:
{
GetPropertyIns getProperty = (GetPropertyIns)instruction;
nameStack.Push(getProperty.PropertyName);
continue;
}
case OPCode.GetLex:
{
GetLexIns getLex = (GetLexIns)instruction;
container = abc.GetClass(getLex.TypeName.Name);
continue;
}
case OPCode.GetLocal_0:
{
container = fromContainer;
continue;
}
case OPCode.ConstructProp:
{
ConstructPropIns constructProp = (ConstructPropIns)instruction;
nameStack.Push(constructProp.PropertyName);
break;
}
}
ASMultiname messageQName = nameStack.Pop();
if (string.IsNullOrWhiteSpace(messageQName.Name))
{
continue;
}
ASClass messageClass = abc.GetClass(messageQName.Name);
if (messageClass == null)
{
continue;
}
if (!_messages.TryGetValue(messageClass, out HMessage message))
{
continue;
}
if (message.References.Any(r => r.FromMethod == fromMethod))
{
continue;
}
HReference reference = new HReference();
message.References.Add(reference);
if (message.IsOutgoing)
{
reference.FromClass = fromClass;
reference.FromMethod = fromMethod;
reference.InstructionRank = ++instructionRank;
reference.IsAnonymous = (!fromMethod.IsConstructor && fromMethod.Trait == null);
references.Add(reference);
}
else
{
ASMultiname methodName = nameStack.Pop();
ASMethod callbackMethod = fromContainer.GetMethod(methodName.Name);
if (callbackMethod == null)
{
callbackMethod = container.GetMethod(methodName.Name);
if (callbackMethod == null)
{
ASMultiname slotName = nameStack.Pop();
ASTrait hostTrait = container.GetTraits(TraitKind.Slot)
.FirstOrDefault(st => st.QName == slotName);
container = abc.GetInstance(hostTrait.Type.Name);
callbackMethod = container.GetMethod(methodName.Name);
}
}
reference.FromMethod = callbackMethod;
}
}
return(references);
}