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From "Marcel Reutegger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-116) JavaCC grammar generation to ${maven.build.dir}/generated-src
Date Mon, 09 May 2005 14:26:09 GMT
     [ http://issues.apache.org/jira/browse/JCR-116?page=comments#action_64742 ]
     
Marcel Reutegger commented on JCR-116:
--------------------------------------

Hi Jukka,

I agree with you that we should separate the source files into a version controlled tree and
a generated source tree. You mentioned the path settings in IDEs, does the maven idea goal
respect the additional path entry, or do you have to manually add the generated source directory
to the source paths?

> JavaCC grammar generation to ${maven.build.dir}/generated-src
> -------------------------------------------------------------
>
>          Key: JCR-116
>          URL: http://issues.apache.org/jira/browse/JCR-116
>      Project: Jackrabbit
>         Type: Wish
>   Components: maven, sql, xpath
>     Reporter: Jukka Zitting
>     Priority: Minor
>  Attachments: jackrabbit-javacc-target-patch.txt
>
> Currently the JavaCC grammars in src/grammar/{xpath,sql} are processed into Java source
files in src/java/org/apache/jacrabbit/core/query/{xpath,sql} where we also have normal version
controlled source files. This leads to the need to maintain special svn:ignore properties
and also the more general issue of mixing manually written and automatically generated source
files. Because of this the "maven clean" command does not (at the moment) truly restore your
source tree to a "fresh checkout" state.
> I'm proposing (as a wish, you are free to disagree) that the JavaCC grammars be generated
into Java files within the Maven build directory. The attached patch modifies the javacc maven
goals to generate files into ${maven.build.dir}/generated-src. The modified prepare-filesystem
goal also adds the generated source path ${maven.build.dir}/generated-src/main/java into the
maven compile set so that the generated sources are included in the normal builds.
> PS. There are a couple of JavaCC generated files that have been intentionally modified
for Jackrabbit. The ant:delete commands at the end of the jacrabbit:generate-*-parser goals
specifically remove these generated files. It would however be nicer if custom modifications
would not be needed.

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