Re: A bug in scan.l

The previous change should follow with this.

uescape [uU][eE][sS][cC][aA][pP][eE]{space}*{quote}[^']{quote}

Thanks,
Gokul.

On Wed, Sep 2, 2009 at 7:35 AM, Gokulakannan Somasundaram <
gokul007(at)gmail(dot)com> wrote:

> There is a rule like this in scan.l
>
> uescapefail
> ("-"|[uU][eE][sS][cC][aA][pP][eE]{whitespace}*"-"|[uU][eE][sS][cC][aA][pP][eE]{whitespace}*{quote}[^']|[uU][eE][sS][cC][aA][pP][eE]{whitespace}*{quote}|[uU][eE][sS][cC][aA][pP][eE]{whitespace}*|[uU][eE][sS][cC][aA][pP]|[uU][eE][sS][cC][aA]|[uU][eE][sS][cC]|[uU][eE][sS]|[uU][eE]|[uU])
>
>
> I think this should be corrected to
>
>
> uescapefail
> ("-"|[uU][eE][sS][cC][aA][pP][eE]{space}*"-"|[uU][eE][sS][cC][aA][pP][eE]{space}*{quote}[^']|[uU][eE][sS][cC][aA][pP][eE]{space}*{quote}|[uU][eE][sS][cC][aA][pP][eE]{space}*|[uU][eE][sS][cC][aA][pP]|[uU][eE][sS][cC][aA]|[uU][eE][sS][cC]|[uU][eE][sS]|[uU][eE]|[uU])
>
>
> I have replaced whitespace with space. This has to be done because
> whitespace allows comments. This would cause conflict between some of the
> alternatives. I found this, while trying to make this rule work with LL(1).
> Just thought, it might be useful.
>
> Thanks,
> Gokul.
>