private static bool TryGetNewParameterSyntax(ParameterSyntax parameter, IParameterSymbol overriddenParameter, out ParameterSyntax newParameterSyntax)
{
if (!overriddenParameter.HasExplicitDefaultValue)
{
newParameterSyntax = parameter.WithDefault(null).WithAdditionalAnnotations(Formatter.Annotation);
return true;
}
var defaultSyntax = (overriddenParameter.DeclaringSyntaxReferences.FirstOrDefault()?.GetSyntax() as ParameterSyntax)?.Default;
if (defaultSyntax != null)
{
newParameterSyntax = parameter.WithDefault(defaultSyntax.WithoutTrivia().WithAdditionalAnnotations(Formatter.Annotation));
return true;
}
newParameterSyntax = null;
return false;
}
private static ParameterSyntax TransformParameterDefaultValue(ParameterSyntax parameter)
{
// Just neutralize the default parameter since null can't be assigned to IntPtr,
// and to avoid method overload ambiguities when parameters are omitted.
return parameter.WithDefault(null);
// We could translate the null to default(IntPtr) like this:
////return parameter.Default?.Value.Kind() == SyntaxKind.NullLiteralExpression
//// ? parameter.WithDefault(SyntaxFactory.EqualsValueClause(SyntaxFactory.DefaultExpression(IntPtrTypeSyntax)))
//// : parameter;
}
