db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Katherine Marsden <kmarsdende...@sbcglobal.net>
Subject Re: Derby Key Words
Date Wed, 05 Sep 2012 04:25:29 GMT
On 9/4/2012 7:44 PM, Bryan Pendleton wrote:
>> I've had success in pointing Eclipse to the source code that I have 
>> built. I have had a nice look around for the file that I am
>> interested in, which from the previously mentioned JIRA issues etc 
>> suggest a file called sqlgrammar.jj
>> only problem is I can't find it!
>
> It's possible that Eclipse doesn't grok '.jj' files in its normal 
> configuration.
>
> The file should be in your source tree as:
>
>     ./java/engine/org/apache/derby/impl/sql/compile/sqlgrammar.jj
>
> There is a compiler-generation tool that processes this file during
> the Ant build of Derby and generates Java source from the grammar.
>
  The tool that generates the java code for the parser from 
sqlgrammar.jj is  Javacc.  The generated code is in 
generated/java/org/apache/derby/impl/sql/compile which is fun to look at 
but shouldn't be changed.
I think there may be an exclipse plugin for javacc but I have never used 
one.

Kathey



Mime
View raw message