Re: bison scan-code and flex-3.5.36

[Joel E. Denny]

On Tue, 26 Apr 2011, Tys Lefering wrote:

> Here is some more about a change in Flex scanners
> from 'int' to 'yy_size_t' in the sf svn version.

Thanks for letting us know.

> Maybe Bison can do something with flex --header-file
> output option and include it in flex-sacnner.h to get
> a correct prototype for the get_leng.

I'm sure we can figure something out, but...

> The Flex skeleton change is here in revision 2.213 :
> 
> http://flex.cvs.sourceforge.net/viewvc/flex/flex/flex.skl?r1=2.212&r2=2.213
> 
> revision 2.212 by wlestes, Sat Feb 9 18:54:56 2008 UTC
> revision 2.213 by wlestes, Thu May 15 21:11:57 2008 UTC

That's an old change, and there doesn't seem to have been much flex 
development since then.  Have you seen any evidence there might be a 
release soon?

> extern int yyleng;  extern yy_size_t yyleng;

POSIX says yyleng is an int, so I wonder if these changes are stable 
enough to worry about yet.

> Revision 2.213 - (view) (download) (annotate) - [select for diffs]
> Thu May 15 21:11:57 2008 UTC (2 years, 11 months ago) by wlestes
> Branch: MAIN
> CVS Tags: HEAD
> Changes since 2.212: +21 -21 lines
> Diff to previous 2.212
> clean up types; resolves 1961902
> 
> [but could not find 1961902]

I think it's supposed to be 1961609:

http://sourceforge.net/tracker/index.php?func=detail&aid=1961609&group_id=97492&atid=618177