private static IEnumerable <string> GenerateExternCall(IExternCall externCall, string contentOfFunctionName, int level) { var functionName = externCall.Function.Name; var saneFunctionName = _namingHelper.FixExternalFunction(functionName); if (VERBOSE) { yield return("\r\n//<externCall>\r\n"); } yield return($"__ext_{saneFunctionName}("); bool first = true; foreach (var argExpr in externCall.ArgExprs) { if (first) { first = false; } else { yield return(", "); } foreach (var argExprCode in GenerateExpression(argExpr, contentOfFunctionName, level)) { yield return(argExprCode); } } yield return(")"); }