On Wed, 22 Aug 2001, Dain Sundstrom wrote:
> What do you mean by selector parser?
There is a parser.java which looks to be generated from a jms.y grammer
which is used to parse JMS message selectors. The generated parser source
is checked in but not the grammer.
--jason
> I could adapt the parser that is used for EJB-QL to parse. It is a generic
> non-deterministic recusive descent parser, so it is not fast for complicated
> grammers. This is only an issue if you want to parse on the fly.
>
> -dain
>
> ----- Original Message -----
> From: "Jason Dillon" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, August 21, 2001 7:46 PM
> Subject: [JBoss-dev] jbossmq selector parser grammer source
>
>
> > Where is the source for the selector parser? It looks like it is not
> > parsing the literals "true" and "false", it only looks for "TRUE" and
> > "FALSE".
> >
> > I am contemplating modifiying parser.java int yylex() under the file://CST
> group
> > group, but I would rather modify the grammer source and regenerate the
> > parser.
> >
> > Perhaps we could switch this to javacc and let ant build the parser as
> part
> > of the build.
> >
> > It looks like there might be a problem with Operator.equal() too, which I
> am
> > looking into now... Yup, sure is. Operator.equal() does not properly
> > handle Boolean types.
> >
> > I have just fixed (and verified) both of these problems. Should I commit
> > them? Silly me, of course I should commit them... but where is jms.y?
> When
> > ever the parser is regenerated from this it will blow away these changes.
> >
> > Can someone change this to javacc, check in the source grammer and setup
> the
> > build system to automatically generate this?
> >
> > --jason
> >
> >
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> >
>
>
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