private IType OnGetType()
{
if (this.metadataEntry == null)
{
throw new InvalidOperationException();
}
var metadataEntryCtor = metadataEntry.Ctor;
if (metadataEntryCtor == null)
{
throw new InvalidOperationException();
}
ICliMetadataTypeDefinitionTableRow typeDef = null;
switch (metadataEntryCtor.CustomAttributeTypeEncoding)
{
case CliMetadataCustomAttributeTypeTag.MethodDefinition:
ICliMetadataMethodDefinitionTableRow methodDefinition = (ICliMetadataMethodDefinitionTableRow)metadataEntryCtor;
var tdTable = metadataEntry.MetadataRoot.TableStream.TypeDefinitionTable;
uint typeIndex = tdTable.GetTypeFromMethodIndex(methodDefinition.Index);
typeDef = tdTable[(int)typeIndex];
break;
case CliMetadataCustomAttributeTypeTag.MemberReference:
ICliMetadataMemberReferenceTableRow reference = (ICliMetadataMemberReferenceTableRow)metadataEntryCtor;
switch (reference.ClassSource)
{
case CliMetadataMemberRefParentTag.TypeDefinition:
typeDef = (ICliMetadataTypeDefinitionTableRow)reference.Class;
break;
case CliMetadataMemberRefParentTag.TypeReference:
typeDef = identityManager.ResolveScope((ICliMetadataTypeRefTableRow)reference.Class);
break;
case CliMetadataMemberRefParentTag.TypeSpecification:
case CliMetadataMemberRefParentTag.ModuleReference:
case CliMetadataMemberRefParentTag.MethodDefinition:
default:
throw new BadImageFormatException();
}
break;
}
if (typeDef == null)
{
throw new BadImageFormatException();
}
return(identityManager.ObtainTypeReference(typeDef));
}
internal static IEnumerable <IInterfaceType> GetImplementations(ICliMetadataTypeDefinitionTableRow parentDef, ICliMetadataMethodDefinitionTableRow methodMetadata, CliManager identityManager, IType activeType, IMethodSignatureMember activeMethod, IAssembly activeAssembly)
{
var targets = (from t in parentDef.ImplementationMap
where t.MethodBody == methodMetadata
select t.MethodDeclaration);
foreach (var target in targets)
{
IType currentType = null;
switch (target.MethodDefOrRefEncoding)
{
case CliMetadataMethodDefOrRefTag.MethodDefinition:
ICliMetadataMethodDefinitionTableRow methodDef = (ICliMetadataMethodDefinitionTableRow)target;
currentType = identityManager.ObtainTypeReference(methodMetadata.MetadataRoot.TableStream.TypeDefinitionTable[(int)methodMetadata.MetadataRoot.TableStream.TypeDefinitionTable.GetTypeFromMethodIndex(methodDef.Index)], activeType, activeMethod, activeAssembly);
break;
case CliMetadataMethodDefOrRefTag.MemberRef:
ICliMetadataMemberReferenceTableRow memberRef = (ICliMetadataMemberReferenceTableRow)target;
switch (memberRef.ClassSource)
{
case CliMetadataMemberRefParentTag.TypeDefinition:
currentType = identityManager.ObtainTypeReference((ICliMetadataTypeDefinitionTableRow)memberRef.Class, activeType, activeMethod, activeAssembly);
break;
case CliMetadataMemberRefParentTag.TypeReference:
currentType = identityManager.ObtainTypeReference((ICliMetadataTypeRefTableRow)memberRef.Class, activeType, activeMethod, activeAssembly);
break;
case CliMetadataMemberRefParentTag.TypeSpecification:
currentType = identityManager.ObtainTypeReference((ICliMetadataTypeSpecificationTableRow)memberRef.Class, activeType, activeMethod, activeAssembly);
break;
}
break;
}
if (currentType != null && currentType is IInterfaceType)
{
yield return((IInterfaceType)currentType);
}
}
}
