internal override void DecodeWellKnownAttribute(ref DecodeWellKnownAttributeArguments <AttributeSyntax, CSharpAttributeData, AttributeLocation> arguments)
{
Debug.Assert((object)arguments.AttributeSyntaxOpt != null);
var attribute = arguments.Attribute;
Debug.Assert(!attribute.HasErrors);
Debug.Assert(arguments.SymbolPart == AttributeLocation.None);
if (attribute.IsTargetAttribute(this, AttributeDescription.DefaultCharSetAttribute))
{
CharSet charSet = attribute.GetConstructorArgument <CharSet>(0, SpecialType.System_Enum);
if (!ModuleWellKnownAttributeData.IsValidCharSet(charSet))
{
CSharpSyntaxNode attributeArgumentSyntax = attribute.GetAttributeArgumentSyntax(0, arguments.AttributeSyntaxOpt);
arguments.Diagnostics.Add(ErrorCode.ERR_InvalidAttributeArgument, attributeArgumentSyntax.Location, arguments.AttributeSyntaxOpt.GetErrorDisplayName());
}
else
{
arguments.GetOrCreateData <ModuleWellKnownAttributeData>().DefaultCharacterSet = charSet;
}
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.NullableContextAttribute))
{
ReportExplicitUseOfNullabilityAttribute(in arguments, AttributeDescription.NullableContextAttribute);
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.NullablePublicOnlyAttribute))
{
ReportExplicitUseOfNullabilityAttribute(in arguments, AttributeDescription.NullablePublicOnlyAttribute);
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.SkipLocalsInitAttribute))
{
CSharpAttributeData.DecodeSkipLocalsInitAttribute <ModuleWellKnownAttributeData>(DeclaringCompilation, ref arguments);
}
}
internal sealed override void DecodeWellKnownAttribute(ref DecodeWellKnownAttributeArguments <AttributeSyntax, CSharpAttributeData, AttributeLocation> arguments)
{
var attribute = arguments.Attribute;
Debug.Assert(!attribute.HasErrors);
Debug.Assert(arguments.SymbolPart == AttributeLocation.None);
if (attribute.IsTargetAttribute(this, AttributeDescription.SpecialNameAttribute))
{
arguments.GetOrCreateData <CommonEventWellKnownAttributeData>().HasSpecialNameAttribute = true;
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.NullableAttribute))
{
// NullableAttribute should not be set explicitly.
RoslynDebug.AssertNotNull(arguments.AttributeSyntaxOpt);
arguments.Diagnostics.Add(ErrorCode.ERR_ExplicitNullableAttribute, arguments.AttributeSyntaxOpt.Location);
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.ExcludeFromCodeCoverageAttribute))
{
arguments.GetOrCreateData <CommonEventWellKnownAttributeData>().HasExcludeFromCodeCoverageAttribute = true;
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.TupleElementNamesAttribute))
{
RoslynDebug.AssertNotNull(arguments.AttributeSyntaxOpt);
arguments.Diagnostics.Add(ErrorCode.ERR_ExplicitTupleElementNamesAttribute, arguments.AttributeSyntaxOpt.Location);
}
else if (attribute.IsTargetAttribute(this, AttributeDescription.SkipLocalsInitAttribute))
{
CSharpAttributeData.DecodeSkipLocalsInitAttribute <CommonEventWellKnownAttributeData>(DeclaringCompilation, ref arguments);
}
}
