static IEnumerable <ISymbol> FindUsesInAttributes(DecompilerTypeSystem typeSystem, MetadataReader metadata, FindTypeDecoder decoder, ITypeDefinition analyzedType)
{
var attrDecoder = new FindTypeInAttributeDecoder(typeSystem.MainModule, analyzedType);
var referencedParameters = new HashSet <ParameterHandle>();
foreach (var h in metadata.CustomAttributes)
{
var customAttribute = metadata.GetCustomAttribute(h);
CustomAttributeValue <TokenSearchResult> value;
try
{
value = customAttribute.DecodeValue(attrDecoder);
}
catch (EnumUnderlyingTypeResolveException)
{
continue;
}
if (AttributeAppliedToAnalyzer.IsCustomAttributeOfType(customAttribute.Constructor, metadata, decoder) ||
AnalyzeCustomAttributeValue(value))
{
if (customAttribute.Parent.Kind == HandleKind.Parameter)
{
referencedParameters.Add((ParameterHandle)customAttribute.Parent);
}
else
{
var parent = AnalyzerHelpers.GetParentEntity(typeSystem, customAttribute);
if (parent != null)
{
yield return(parent);
}
}
}
}
if (referencedParameters.Count > 0)
{
foreach (var h in metadata.MethodDefinitions)
{
var md = metadata.GetMethodDefinition(h);
foreach (var p in md.GetParameters())
{
if (referencedParameters.Contains(p))
{
var method = typeSystem.MainModule.ResolveMethod(h, default);
if (method != null)
{
if (method.IsAccessor)
{
yield return(method.AccessorOwner);
}
else
{
yield return(method);
}
}
break;
}
}
}
}
}
static bool FindUsesInGenericConstraints(MetadataReader metadata, GenericParameterHandleCollection collection, FindTypeDecoder decoder)
{
foreach (var h in collection)
{
var gp = metadata.GetGenericParameter(h);
foreach (var hc in gp.GetConstraints())
{
var gc = metadata.GetGenericParameterConstraint(hc);
if (decoder.GetTypeFromEntity(metadata, gc.Type))
{
return(true);
}
}
}
return(false);
}
