Method bump

regex/regex-syntax/src/ast/parse.rs:481–499

Bump the parser to the next Unicode scalar value. If the end of the input has been reached, then `false` is returned.

(&self)

    ///
    /// If the end of the input has been reached, then `false` is returned.
    fn bump(&self) -> bool {
        if self.is_eof() {
            return false;
        }
        let Position { mut offset, mut line, mut column } = self.pos();
        if self.char() == '\n' {
            line = line.checked_add(1).unwrap();
            column = 1;
        } else {
            column = column.checked_add(1).unwrap();
        }
        offset += self.char().len_utf8();
        self.parser().pos.set(Position {
            offset: offset,
            line: line,
            column: column,
        });
        self.pattern()[self.offset()..].chars().next().is_some()
    }

    /// If the substring starting at the current position of the parser has
    /// the given prefix, then bump the parser to the character immediately