private Expression ParseExtensionMethodInvocation(Type type, Expression instance, int errorPos, string id, Expression[] args)
{
var extensionMethodsArguments = new Expression[args.Length + 1];
extensionMethodsArguments[0] = instance;
args.CopyTo(extensionMethodsArguments, 1);
var matchMethods = _arguments.GetExtensionMethods(id);
var extensionMethods = Expressions.FindBestMethod(matchMethods, extensionMethodsArguments);
if (extensionMethods.Length > 1)
{
throw ParseException.Create(errorPos, ErrorMessages.AmbiguousMethodInvocation, id, Types.GetTypeName(type));
}
if (extensionMethods.Length == 1)
{
var method = extensionMethods[0];
extensionMethodsArguments = method.PromotedParameters;
return(Expression.Call((MethodInfo)method.MethodBase, extensionMethodsArguments));
}
return(null);
}
