IsAtNewLine() public méthode

Determines if current character is a new line character
public IsAtNewLine ( ) : bool
Résultat bool
Exemple #1
0
        private static int GetNCharOperatorLength(CharacterStream cs) {
            // R allows user-defined infix operators. These have the form of 
            // a string of characters delimited by the ‘%’ character. The string 
            // can contain any printable character except ‘%’. 
            if (cs.CurrentChar == '%' && !char.IsWhiteSpace(cs.NextChar)) {
                // In case of broken or partially typed operators
                // make sure we terminate at whitespace or end of the line
                // so in 'x <- y % z' '% z' is not an operator.
                int start = cs.Position;
                int length;

                cs.MoveToNextChar();

                while (!cs.IsEndOfStream() && !cs.IsWhiteSpace()) {
                    if (cs.CurrentChar == '%') {
                        cs.MoveToNextChar();

                        length = cs.Position - start;
                        cs.Position = start;

                        return length;
                    }

                    if (cs.IsAtNewLine()) {
                        // x <- y %abcd
                        cs.Position = start;
                        return 1;
                    }

                    cs.MoveToNextChar();
                }
            }

            return Get3CharOrShorterOperatorLength(cs);
        }
Exemple #2
0
        /// <summary>
        /// Handle generic comment. Comment goes to the end of the line.
        /// </summary>
        public static void HandleEolComment(CharacterStream cs, Action<int, int> addToken) {
            int start = cs.Position;

            while (!cs.IsEndOfStream() && !cs.IsAtNewLine()) {
                cs.MoveToNextChar();
            }

            int length = cs.Position - start;
            if (length > 0) {
                addToken(start, length);
            }
        }