[news.eclipse.technology.imp] Re: Possible performance bug in LPG?

["Robert M. Fuhrer" <rfuhrer@xxxxxxxxxxxxxx>]

Hi there,

Sorry for not having responded earlier; I was on vacation and recovering
from an important deadline. :-)

Yes, LPG issues are best brought up on the LPG forum on SourceForge.

[The connection between IMP and LPG is that the main LPG developer,
Philippe Charles, is also a member of the IMP team, but they're really
separate projects.]

Dieter Kleinrath wrote:
> Hi Ed,
>
> Sorry. For whatever reason I thougth IMP and LPG are somehow connected. 
> The report would certainly belong to the LPG newsgroup.
> Thanks for pointing out the memory problems associated with reusing a 
> parser in general.
>
> Dieter
>
>
> Am 28.06.2009, 07:38 Uhr, schrieb Ed Willink <ed@xxxxxxxxxxxxx>:
> > Hi Dieter
> >
> >  > This bug can be fixed very easy by adding the following lines to the
> >  > reset method in the DeterministicParser:
> >  >     locationStack = null;
> >  >     parseStack= null;
> >  >     stateStack= null;
> >
> > A bug with LPG should be raised against LPG and perhaps discussed
> > on an LPG newsgroup.
> >
> > I am merely pointing out how difficult it is to avoid locking parsed
> > artefacts in memory and consequently how reuse of a parser perhaps
> > aggaravates the difficulties.
> >
> >     Regards
> >
> >         Ed Willink


--
Cheers,
  -- Bob

--------------------------------
Robert M. Fuhrer
Research Staff Member
Programming Technologies Dept.
IBM T.J. Watson Research Center

IDE Meta-tooling Platform Project Lead (http://www.eclipse.org/imp)
X10: Productive High-Performance Parallel Programming (http://x10.sf.net)