internal override CSharpAttributeData EarlyDecodeWellKnownAttribute(ref EarlyDecodeWellKnownAttributeArguments <EarlyWellKnownAttributeBinder, NamedTypeSymbol, AttributeSyntax, AttributeLocation> arguments)
{
bool hasAnyDiagnostics;
CSharpAttributeData boundAttribute;
if (CSharpAttributeData.IsTargetEarlyAttribute(arguments.AttributeType, arguments.AttributeSyntax, AttributeDescription.ComImportAttribute))
{
boundAttribute = arguments.Binder.GetAttribute(arguments.AttributeSyntax, arguments.AttributeType, out hasAnyDiagnostics);
if (!boundAttribute.HasErrors)
{
arguments.GetOrCreateData <CommonTypeEarlyWellKnownAttributeData>().HasComImportAttribute = true;
if (!hasAnyDiagnostics)
{
return(boundAttribute);
}
}
return(null);
}
if (CSharpAttributeData.IsTargetEarlyAttribute(arguments.AttributeType, arguments.AttributeSyntax, AttributeDescription.ConditionalAttribute))
{
boundAttribute = arguments.Binder.GetAttribute(arguments.AttributeSyntax, arguments.AttributeType, out hasAnyDiagnostics);
if (!boundAttribute.HasErrors)
{
string name = boundAttribute.GetConstructorArgument <string>(0, SpecialType.System_String);
arguments.GetOrCreateData <CommonTypeEarlyWellKnownAttributeData>().AddConditionalSymbol(name);
if (!hasAnyDiagnostics)
{
return(boundAttribute);
}
}
return(null);
}
ObsoleteAttributeData obsoleteData;
if (EarlyDecodeDeprecatedOrObsoleteAttribute(ref arguments, out boundAttribute, out obsoleteData))
{
if (obsoleteData != null)
{
arguments.GetOrCreateData <CommonTypeEarlyWellKnownAttributeData>().ObsoleteAttributeData = obsoleteData;
}
return(boundAttribute);
}
if (CSharpAttributeData.IsTargetEarlyAttribute(arguments.AttributeType, arguments.AttributeSyntax, AttributeDescription.AttributeUsageAttribute))
{
boundAttribute = arguments.Binder.GetAttribute(arguments.AttributeSyntax, arguments.AttributeType, out hasAnyDiagnostics);
if (!boundAttribute.HasErrors)
{
AttributeUsageInfo info = this.DecodeAttributeUsageAttribute(boundAttribute, arguments.AttributeSyntax, diagnose: false);
if (!info.IsNull)
{
var typeData = arguments.GetOrCreateData <CommonTypeEarlyWellKnownAttributeData>();
if (typeData.AttributeUsageInfo.IsNull)
{
typeData.AttributeUsageInfo = info;
}
if (!hasAnyDiagnostics)
{
return(boundAttribute);
}
}
}
return(null);
}
return(base.EarlyDecodeWellKnownAttribute(ref arguments));
}
