internal static bool TryGetArgumentValue(this ArgumentListSyntax arguments, IParameterSymbol parameter, CancellationToken cancellationToken, out ExpressionSyntax value)
{
value = null;
if (arguments == null ||
parameter == null)
{
return(false);
}
if (TryGetMatchingArgument(arguments, parameter, out ArgumentSyntax argument))
{
value = argument.Expression;
return(value != null);
}
if (parameter.HasExplicitDefaultValue && parameter.TryGetSingleDeclaration(cancellationToken, out SyntaxNode declaration))
{
value = (declaration as ParameterSyntax)?.Default.Value;
}
return(value != null);
}
