Microsoft.R.Core.AST.Operators.FunctionCall.CalculateVirtualEnd C# (CSharp) Method

        private void CalculateVirtualEnd(ParseContext context) {
            int position = this.Arguments.Count > 0 ? this.Arguments.End : this.OpenBrace.End;
            if (!context.Tokens.IsEndOfStream()) {
                TokenStream<RToken> tokens = context.Tokens;

                // Walk through tokens allowing numbers, identifiers and operators
                // as part of the function signature. Stop at keywords (except 'if'),
                // or curly braces.
                int i = tokens.Position;
                _virtualEnd = 0;

                for (; i < tokens.Length; i++) {
                    RToken token = tokens[i];

                    if (token.TokenType == RTokenType.Keyword || RParser.IsListTerminator(context, RTokenType.OpenBrace, token)) {
                        _virtualEnd = token.Start;
                        break;
                    }
                }
            }

            if (_virtualEnd == 0) {
                _virtualEnd = context.TextProvider.Length;
            }
        }