Function next_valid_char

Lib/traceback.py:871–879

Gets the next valid character index in `lines`, if the current location is not valid. Handles empty lines.

(lineno, col)

        return _byte_offset_to_character_offset(lines[lineno], offset)

    def next_valid_char(lineno, col):
        """Gets the next valid character index in `lines`, if
        the current location is not valid. Handles empty lines.
        """
        while lineno < len(lines) and col >= len(lines[lineno]):
            col = 0
            lineno += 1
        assert lineno < len(lines) and col < len(lines[lineno])
        return lineno, col

    def increment(lineno, col):
        """Get the next valid character index in `lines`."""