IronPython.Compiler.Parser.FinishCallExpr C# (CSharp) Метод

        private CallExpression FinishCallExpr(Expression target, params Arg[] args) {
            bool hasArgsTuple = false;
            bool hasKeywordDict = false;
            int keywordCount = 0;
            int extraArgs = 0;

            foreach (Arg arg in args) {
                if (arg.Name == null) {
                    if (hasArgsTuple || hasKeywordDict || keywordCount > 0) {
                        ReportSyntaxError(IronPython.Resources.NonKeywordAfterKeywordArg);
                    }
                } else if (arg.Name == "*") {
                    if (hasArgsTuple || hasKeywordDict) {
                        ReportSyntaxError(IronPython.Resources.OneListArgOnly);
                    }
                    hasArgsTuple = true; extraArgs++;
                } else if (arg.Name == "**") {
                    if (hasKeywordDict) {
                        ReportSyntaxError(IronPython.Resources.OneKeywordArgOnly);
                    }
                    hasKeywordDict = true; extraArgs++;
                } else {
                    if (hasKeywordDict) {
                        ReportSyntaxError(IronPython.Resources.KeywordOutOfSequence);
                    }
                    keywordCount++;
                }
            }

            return new CallExpression(target, args);
        }