internal AttributeUsageInfo(StarkAttributeTargets validTargets, bool allowMultiple, bool inherited)
{
// NOTE: VB allows AttributeUsageAttribute with no valid target, i.e. <AttributeUsageAttribute(0)>, and doesn't generate any diagnostics.
// We use PackedAttributeUsage.Initialized field to differentiate between uninitialized AttributeUsageInfo and initialized AttributeUsageInfo with no valid targets.
_flags = (PackedAttributeUsage)validTargets | PackedAttributeUsage.Initialized;
if (allowMultiple)
{
_flags |= PackedAttributeUsage.AllowMultiple;
}
if (inherited)
{
_flags |= PackedAttributeUsage.Inherited;
}
}
private static string GetErrorDisplayNameResourceId(StarkAttributeTargets target)
{
switch (target)
{
case StarkAttributeTargets.Assembly: return(nameof(CodeAnalysisResources.Assembly));
case StarkAttributeTargets.Class: return(nameof(CodeAnalysisResources.Class1));
case StarkAttributeTargets.Constructor: return(nameof(CodeAnalysisResources.Constructor));
case StarkAttributeTargets.Delegate: return(nameof(CodeAnalysisResources.Delegate1));
case StarkAttributeTargets.Enum: return(nameof(CodeAnalysisResources.Enum1));
case StarkAttributeTargets.Event: return(nameof(CodeAnalysisResources.Event1));
case StarkAttributeTargets.Field: return(nameof(CodeAnalysisResources.Field));
case StarkAttributeTargets.GenericParameter: return(nameof(CodeAnalysisResources.TypeParameter));
case StarkAttributeTargets.Interface: return(nameof(CodeAnalysisResources.Interface1));
case StarkAttributeTargets.Func: return(nameof(CodeAnalysisResources.Func));
case StarkAttributeTargets.StaticFunc: return(nameof(CodeAnalysisResources.StaticFunc));
case StarkAttributeTargets.ExternFunc: return(nameof(CodeAnalysisResources.ExternFunc));
case StarkAttributeTargets.ExternStaticFunc: return(nameof(CodeAnalysisResources.ExternStaticFunc));
case StarkAttributeTargets.Module: return(nameof(CodeAnalysisResources.Module));
case StarkAttributeTargets.Parameter: return(nameof(CodeAnalysisResources.Parameter));
case StarkAttributeTargets.Property: return(nameof(CodeAnalysisResources.Property));
case StarkAttributeTargets.ReturnValue: return(nameof(CodeAnalysisResources.Return1));
case StarkAttributeTargets.Struct: return(nameof(CodeAnalysisResources.Struct1));
default:
throw ExceptionUtilities.UnexpectedValue(target);
}
}
