public DynamicReadTravellerMembers(ITypeProvider provider)
{
var visitArgsType = typeof(VisitArgs).GetTypeInfo();
VisitArgsCollectionItem = new ILStaticFieldVariable(visitArgsType.GetField("CollectionItem"));
VisitArgsDictionaryKey = new ILStaticFieldVariable(visitArgsType.GetField("DictionaryKey"));
VisitArgsDictionaryValue = new ILStaticFieldVariable(visitArgsType.GetField("DictionaryValue"));
VisitArgsCollectionInCollection = new ILStaticFieldVariable(visitArgsType.GetField("CollectionInCollection"));
VisitArgsDictionaryInCollection = new ILStaticFieldVariable(visitArgsType.GetField("DictionaryInCollection"));
VisitArgsDictionaryInDictionaryKey = new ILStaticFieldVariable(visitArgsType.GetField("DictionaryInDictionaryKey"));
VisitArgsDictionaryInDictionaryValue = new ILStaticFieldVariable(visitArgsType.GetField("DictionaryInDictionaryValue"));
VisitArgsCollectionInDictionaryKey = new ILStaticFieldVariable(visitArgsType.GetField("CollectionInDictionaryKey"));
VisitArgsCollectionInDictionaryValue = new ILStaticFieldVariable(visitArgsType.GetField("CollectionInDictionaryValue"));
var readVisitorType = typeof(IReadVisitor).GetTypeInfo();
VisitorTryVisit = readVisitorType.GetMethod("TryVisit");
VisitorLeave = readVisitorType.GetMethod("Leave");
VisitorTryVisitValue = new Dictionary <Type, MethodInfo>();
Nullable = new Dictionary <Type, NullableMembers>();
foreach (var method in readVisitorType.GetMethods()
.Where(m => m.Name == "TryVisitValue"))
{
var valueType = method.GetParameters()[1].ParameterType;
if (valueType.IsByRef)
{
valueType = valueType.GetElementType();
}
var valueTypeExt = provider.Extend(valueType);
VisitorTryVisitValue.Add(valueType, method);
if (valueTypeExt.Classification == TypeClassification.Nullable)
{
var innerType = valueTypeExt.Container.AsNullable().ElementType;
VisitorTryVisitValue.Add(innerType, method);
var nullableMembers = new NullableMembers(innerType);
Nullable.Add(innerType, nullableMembers);
Nullable.Add(valueType, nullableMembers);
}
}
EnumeratorMoveNext = typeof(IEnumerator).GetTypeInfo().GetMethod("MoveNext");
DisposableDispose = typeof(IDisposable).GetTypeInfo().GetMethod("Dispose");
ExceptionNoDictionaryValue = typeof(InvalidGraphException).GetTypeInfo().GetMethod("NoDictionaryValue");
}
public DynamicReadTravellerMembers()
{
var visitArgsType = typeof(VisitArgs);
VisitArgsCollectionItem = new StaticFieldILCodeVariable(visitArgsType.GetField("CollectionItem"));
VisitArgsDictionaryKey = new StaticFieldILCodeVariable(visitArgsType.GetField("DictionaryKey"));
VisitArgsDictionaryValue = new StaticFieldILCodeVariable(visitArgsType.GetField("DictionaryValue"));
VisitArgsCollectionInCollection = new StaticFieldILCodeVariable(visitArgsType.GetField("CollectionInCollection"));
VisitArgsDictionaryInCollection = new StaticFieldILCodeVariable(visitArgsType.GetField("DictionaryInCollection"));
VisitArgsDictionaryInDictionaryKey = new StaticFieldILCodeVariable(visitArgsType.GetField("DictionaryInDictionaryKey"));
VisitArgsDictionaryInDictionaryValue = new StaticFieldILCodeVariable(visitArgsType.GetField("DictionaryInDictionaryValue"));
VisitArgsCollectionInDictionaryKey = new StaticFieldILCodeVariable(visitArgsType.GetField("CollectionInDictionaryKey"));
VisitArgsCollectionInDictionaryValue = new StaticFieldILCodeVariable(visitArgsType.GetField("CollectionInDictionaryValue"));
var readVisitorType = typeof(IReadVisitor);
VisitorTryVisit = readVisitorType.GetMethod("TryVisit");
VisitorLeave = readVisitorType.GetMethod("Leave");
VisitorTryVisitValue = new Dictionary<Type, MethodInfo>();
Nullable = new Dictionary<Type, NullableMembers>();
foreach (var method in readVisitorType.GetMethods()
.Where(m => m.Name == "TryVisitValue")) {
var valueType = method.GetParameters()[1].ParameterType;
if (valueType.IsByRef) valueType = valueType.GetElementType();
var valueTypeExt = valueType.Extend();
VisitorTryVisitValue.Add(valueType, method);
if (valueTypeExt.Class == TypeClass.Nullable) {
var innerType = valueTypeExt.Container.AsNullable().ElementType;
VisitorTryVisitValue.Add(innerType, method);
var nullableMembers = new NullableMembers(innerType);
Nullable.Add(innerType, nullableMembers);
Nullable.Add(valueType, nullableMembers);
}
}
EnumeratorMoveNext = typeof(IEnumerator).GetMethod("MoveNext");
DisposableDispose = typeof(IDisposable).GetMethod("Dispose");
ExceptionNoDictionaryValue = typeof (InvalidGraphException).GetMethod("NoDictionaryValue");
}
