public async Task Populate()
{
this.IsMefAssembly = true;
this.fullAssemblyName = this.metadataReader.GetFullAssemblyName();
this.knownExportAttributeOrDerivedType = new HashSet <string>()
{
"System.ComponentModel.Composition.ExportAttribute",
"System.ComponentModel.Composition.InheritedExportAttribute"
};
this.knownImportAttributeOrDerivedType = new HashSet <string>()
{
"System.ComponentModel.Composition.ImportAttribute",
"System.ComponentModel.Composition.ImportManyAttribute"
};
var referenceFullNames = metadataReader.GetReferenceAssemblyFullNames();
var tasks = new List <Task <AssemblyCatalogInfo> >();
foreach (var referenceAssemblyFullName in referenceFullNames)
{
var referenceCatalog = this.discovery.GetAssemblyCatalogInfoFromAssemblyName(referenceAssemblyFullName);
if (referenceCatalog != null)
{
tasks.Add(referenceCatalog);
}
}
foreach (var task in tasks)
{
var referenceCatalog = await task.ConfigureAwait(false);
if (referenceCatalog == null)
{
continue;
}
var knownExportAttributes = referenceCatalog.KnownExportOrDerived;
foreach (var known in knownExportAttributes)
{
knownExportAttributeOrDerivedType.Add(known);
}
var knownImportAttributes = referenceCatalog.KnownImportOrDerived;
foreach (var known in knownImportAttributes)
{
knownImportAttributeOrDerivedType.Add(known);
}
}
foreach (var typeHandle in metadataReader.TypeDefinitions)
{
var typeDefinition = metadataReader.GetTypeDefinition(typeHandle);
Walk(typeDefinition);
}
foreach (var customAttributeHandle in metadataReader.CustomAttributes)
{
var customAttribute = metadataReader.GetCustomAttribute(customAttributeHandle);
var attributeTypeHandle = metadataReader.GetAttributeTypeHandle(customAttribute);
if (TryHandleImportAttribute(customAttribute, attributeTypeHandle))
{
continue;
}
if (TryHandleExportAttribute(customAttribute, attributeTypeHandle))
{
continue;
}
}
}