private static MetaDataObject ResolveTypeRef(MetaDataResolver resolver,
MetaDataResolver[] resolvers,
MetaDataTypeReference typeRef)
{
MetaDataObject result = resolver.ResolveTypeRef(typeRef);
int i = 0;
while (result == null && i < resolvers.Length)
{
MetaDataResolver testResolver = resolvers[i];
i++;
if (testResolver != resolver)
{
result = testResolver.ResolveTypeRef(typeRef);
}
}
return(result);
}
public MetaDataTypeDefinition ResolveTypeRef(MetaDataTypeReference reference)
{
String refName = reference.Namespace + "." + reference.Name;
return(ResolveName(refName));
}
private static Object ExtractParameter(Signature.Type type,
BinaryReader reader,
MetaDataResolver resolver,
MetaDataResolver[] resolvers)
{
switch (type.ElementType)
{
case ElementTypes.VALUETYPE: {
MetaDataObject classObject = type.ClassObject;
if (classObject is MetaDataTypeReference)
{
MetaDataTypeReference classReference =
(MetaDataTypeReference)classObject;
MetaDataObject resolvedObject =
ResolveTypeRef(resolver, resolvers, classReference);
if (resolvedObject is MetaDataTypeDefinition)
{
classObject = resolvedObject;
}
}
if (classObject is MetaDataTypeReference)
{
// We will simply assume it is an I4 enum
Console.Out.WriteLine("====>>> WARNING: Making I4 enum assumption for " + classObject);
return(reader.ReadInt32());
}
else if (classObject is MetaDataTypeDefinition)
{
MetaDataTypeDefinition classDef =
(MetaDataTypeDefinition)classObject;
MetaDataObject superClass = classDef.Extends;
String superName;
if (superClass is MetaDataTypeDefinition)
{
superName =
((MetaDataTypeDefinition)superClass).FullName;
}
else if (superClass is MetaDataTypeReference)
{
superName =
((MetaDataTypeReference)superClass).FullName;
}
else
{
throw new MetaDataLoader.IllegalMetaDataFormatException("Unexpected superclass of valuetype: " + superClass);
}
if (!superName.Equals("System.Enum"))
{
throw new MetaDataLoader.IllegalMetaDataFormatException("Found valuetype that wasn't an Enum");
}
return(ExtractEnumValue(classDef, reader,
resolver, resolvers));
}
else
{
throw new MetaDataLoader.IllegalMetaDataFormatException("Unexpected valuetype class: " + classObject);
}
}
case ElementTypes.CLASS: {
MetaDataObject classObject = type.ClassObject;
if (classObject is MetaDataTypeReference)
{
MetaDataTypeReference classReference =
(MetaDataTypeReference)classObject;
MetaDataObject resolvedObject =
ResolveTypeRef(resolver, resolvers, classReference);
if (resolvedObject is MetaDataTypeDefinition)
{
classObject = resolvedObject;
}
}
String className;
if (classObject is MetaDataTypeReference)
{
className =
((MetaDataTypeReference)classObject).FullName;
}
else if (classObject is MetaDataTypeDefinition)
{
className =
((MetaDataTypeDefinition)classObject).FullName;
}
else
{
throw new MetaDataLoader.IllegalMetaDataFormatException("Unexpected class: " + classObject);
}
if (className.Equals("System.String"))
{
return(ExtractString(reader));
}
else if (className.Equals("System.Object"))
{
goto case ElementTypes.OBJECT;
}
else if (className.Equals("System.Type"))
{
return(ExtractString(reader));
}
if (!(classObject is MetaDataTypeDefinition))
{
throw new MetaDataLoader.IllegalMetaDataFormatException("Cannot determine whether the following is an array: " + classObject);
}
MetaDataObject superClass =
((MetaDataTypeDefinition)classObject).Extends;
Console.WriteLine("class is " + classObject);
throw new Exception("Not implemented: object encoding an array");
}
case ElementTypes.OBJECT:
case (ElementTypes)SerializationTypes.TAGGED_OBJECT: {
SerializationTypes objectType = (SerializationTypes)
reader.ReadByte();
switch (objectType)
{
case SerializationTypes.ENUM: {
String typeName = ExtractString(reader);
// Some Stringified type names include a bunch of
// information past the type, none of which we
// are concerned about for the moment.
int nameEnd = typeName.IndexOf(',');
if (nameEnd >= 0)
{
typeName = typeName.Substring(0, nameEnd);
}
// A type defined within another type has a "+"
// as the separator. Convert it to ".", which is
// the convention the rest of the reader uses.
typeName = typeName.Replace('+', '.');
MetaDataTypeDefinition typeDef =
ResolveName(resolver, resolvers, typeName);
if (typeDef == null)
{
throw new Exception("No typedef for " + typeName);
}
return(ExtractEnumValue(typeDef, reader,
resolver, resolvers));
}
case SerializationTypes.TYPE: {
return(ExtractValue((ElementTypes)objectType,
reader));
}
default: {
throw new Exception("Found OBJECT type with type " + objectType);
}
}
}
case ElementTypes.SZARRAY: {
return(ExtractArrayValue(type.TypeObject, reader,
resolver, resolvers));
}
default: {
return(ExtractValue(type.ElementType, reader));
}
}
}
