private static IEnumerable <string> GetSupportedLanguages(TypeDefinition typeDef, PEModule peModule, Type attributeType, AttributeLanguagesFunc languagesFunc)
{
IEnumerable <string>?result = null;
foreach (CustomAttributeHandle customAttrHandle in typeDef.GetCustomAttributes())
{
if (peModule.IsTargetAttribute(customAttrHandle, attributeType.Namespace !, attributeType.Name, ctor: out _))
{
if (languagesFunc(peModule, customAttrHandle) is { } attributeSupportedLanguages)
{
if (result is null)
{
result = attributeSupportedLanguages;
}
else
{
// This is a slow path, but only occurs if a single type has multiple
// DiagnosticAnalyzerAttribute instances applied to it.
result = result.Concat(attributeSupportedLanguages);
}
}
}
}
return(result ?? SpecializedCollections.EmptyEnumerable <string>());
}
private static IEnumerable <string> GetSupportedLanguages(TypeDefinition typeDef, PEModule peModule, Type attributeType, AttributeLanguagesFunc languagesFunc)
{
var attributeLanguagesList = from customAttrHandle in typeDef.GetCustomAttributes()
where peModule.IsTargetAttribute(customAttrHandle, attributeType.Namespace !, attributeType.Name, ctor: out _)
let attributeSupportedLanguages = languagesFunc(peModule, customAttrHandle)
where attributeSupportedLanguages != null
select attributeSupportedLanguages;
return(attributeLanguagesList.SelectMany(x => x));
}
private static IEnumerable <string> GetSupportedLanguages(TypeDefinition typeDef, PEModule peModule, Type attributeType, AttributeLanguagesFunc languagesFunc)
{
foreach (CustomAttributeHandle customAttrHandle in typeDef.GetCustomAttributes())
{
if (peModule.IsTargetAttribute(customAttrHandle, attributeType.Namespace !, attributeType.Name, ctor: out _))
{
IEnumerable <string>?attributeSupportedLanguages = languagesFunc(peModule, customAttrHandle);
if (attributeSupportedLanguages != null)
{
foreach (string item in attributeSupportedLanguages)
{
yield return(item);
}
}
}
}
}
private static bool IsDiagnosticAnalyzerAttribute(PEModule peModule, CustomAttributeHandle customAttrHandle)
{
return(peModule.IsTargetAttribute(customAttrHandle, s_diagnosticAnalyzerAttributeNamespace, nameof(DiagnosticAnalyzerAttribute), out EntityHandle ctor));
}
private static bool IsGeneratorAttribute(PEModule peModule, CustomAttributeHandle customAttrHandle)
{
return(peModule.IsTargetAttribute(customAttrHandle, s_generatorAttributeNamespace, nameof(GeneratorAttribute), ctor: out _));
}
private static bool IsSourceGeneratorAttribute(PEModule peModule, CustomAttributeHandle customAttrHandle)
{
EntityHandle ctor;
return(peModule.IsTargetAttribute(customAttrHandle, s_sourceGeneratorAttributeNamespace, nameof(SourceGeneratorAttribute), out ctor));
}
