public CorType Create(DmdType type)
{
if ((object)type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (recursionCounter++ > 100)
{
throw new InvalidOperationException();
}
CorType result;
int i;
ReadOnlyCollection <DmdType> types;
CorType[] corTypes;
DnModule dnModule;
switch (type.TypeSignatureKind)
{
case DmdTypeSignatureKind.Type:
if (!engine.TryGetDnModule(type.Module.GetDebuggerModule() ?? throw new InvalidOperationException(), out dnModule))
{
throw new InvalidOperationException();
}
Debug.Assert((type.MetadataToken >> 24) == 0x02);
result = dnModule.CorModule.GetClassFromToken((uint)type.MetadataToken).GetParameterizedType(type.IsValueType ? CorElementType.ValueType : CorElementType.Class);
break;
case DmdTypeSignatureKind.Pointer:
result = Create(type.GetElementType());
result = appDomain.GetPtr(result);
break;
case DmdTypeSignatureKind.ByRef:
result = Create(type.GetElementType());
result = appDomain.GetByRef(result);
break;
case DmdTypeSignatureKind.TypeGenericParameter:
case DmdTypeSignatureKind.MethodGenericParameter:
throw new InvalidOperationException();
case DmdTypeSignatureKind.SZArray:
result = Create(type.GetElementType());
result = appDomain.GetSZArray(result);
break;
case DmdTypeSignatureKind.MDArray:
result = Create(type.GetElementType());
result = appDomain.GetArray(result, (uint)type.GetArrayRank());
break;
case DmdTypeSignatureKind.GenericInstance:
result = Create(type.GetGenericTypeDefinition());
types = type.GetGenericArguments();
corTypes = new CorType[types.Count];
for (i = 0; i < corTypes.Length; i++)
{
corTypes[i] = Create(types[i]);
}
result = result.Class.GetParameterizedType(type.IsValueType ? CorElementType.ValueType : CorElementType.Class, corTypes);
break;
case DmdTypeSignatureKind.FunctionPointer:
var methodSig = type.GetFunctionPointerMethodSignature();
types = methodSig.GetParameterTypes();
corTypes = new CorType[1 + types.Count + methodSig.GetVarArgsParameterTypes().Count];
corTypes[0] = Create(methodSig.ReturnType);
for (i = 0; i < types.Count; i++)
{
corTypes[i + 1] = Create(types[i]);
}
types = methodSig.GetVarArgsParameterTypes();
for (i = 0; i < types.Count; i++)
{
corTypes[i + 1 + methodSig.GetParameterTypes().Count] = Create(types[i]);
}
result = appDomain.GetFnPtr(corTypes);
break;
default:
throw new InvalidOperationException();
}
if (result == null)
{
throw new InvalidOperationException();
}
recursionCounter--;
return(result);
}
