On Tue, 2003-10-28 at 14:15, Michael Wall wrote:
> Thanks Jason,
>
> Looking at drools, my maven files are set up almost
> the same. The difference being the location of the
> grammar files, as you mentioned. I tried to compile
> drools with maven, but I couldn't download some jars.
> I did notice the package declaration on their
> grammars, which mine didn't have. So I included
> those, and made sure to import them in my Main.java.
> Still no luck. The class files were not being
> generated for grammar. The drools readme mentions ant
> working better than maven, so I looked at the
> build.xml file saw they were generating the java files
> from the grammar files back into the src directory,
> unlike the default target/antlr directory. I added
> one line to my project.properties
> maven.antlr.target.dir=${maven.src.dir}/java/
> and tried again. It seems to be working now.
I would use something like the following:
maven.antlr.src.dir = ${basedir}/src/java/
maven.antlr.grammars = org/foo/bar/my.g
Then put your grammar in ${basedir}/src/java/org/foo/bar/my.g
And the package qualifier in your grammer should also be org.foo.bar.
Then let the defaults kick in so put the grammar in the package where
the generated classes are going. That's the only way I've seen the antlr
plugin be used so my experience is limited. Bob uses it, but Bob won't
see this because he doesn't subscribe to the user list :-)
> Does that seems right? Has anyone ever generated java
> files for a grammar to the target directory as is the
> default for the maven_anltr plugin property
> maven.antlr.target.dir. Does that property need to be
> defined in the drools project.properties.
>
> Thanks again for the help.
>
> Mike
>
> --- Jason van Zyl <[EMAIL PROTECTED]> wrote:
> > You can look here for a full example of how to use
> > the Antlr plugin:
> >
> >
> http://cvs.codehaus.org/viewcvs.cgi/drools/?root=drools
> >
> > The Antlr plugin doesn't assume the grammars are in
> > src/antlr. You need
> > to provide the full path to the grammar. At any rate
> > the usage in drools
> > should get you going.
> >
> >
> > > --
> > > jvz.
> > >
> > > Jason van Zyl
> > > [EMAIL PROTECTED]
> > > http://tambora.zenplex.org
> > >
> > > In short, man creates for himself a new religion
> > of a rational
> > > and technical order to justify his work and to be
> > justified in it.
> > >
> > > -- Jacques Ellul, The Technological Society
> >
> >
> >
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>
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--
jvz.
Jason van Zyl
[EMAIL PROTECTED]
http://tambora.zenplex.org
In short, man creates for himself a new religion of a rational
and technical order to justify his work and to be justified in it.
-- Jacques Ellul, The Technological Society
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