LUCENE-1353: Javacc target to generate precedence query parser.

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@685114 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -266,6 +266,9 @@ Build
      with contribs.  Of particular note: a single clover db is used
      regardless of whether tests are run globally or in the specific
      contrib directories. 
+     
+  3. LUCENE-1353: Javacc target in contrib/miscellaneous for 
+     generating the precedence query parser. 
 
 Test Cases
 

contrib/miscellaneous/build.xml

@@ -26,4 +26,18 @@
   </description>
 
   <import file="../contrib-build.xml"/>
+
+  <property name="javacc.path" location="src/java/org/apache/lucene/queryParser/precedence"/>
+
+  <target name="javacc" depends="javacc-check" description="generate precedence query parser from jj (requires javacc 3.2)">
+    <delete>
+      <fileset dir="${javacc.path}" includes="*.java">
+        <containsregexp expression="Generated.*By.*JavaCC"/>
+      </fileset>
+    </delete>
+    <invoke-javacc target="${javacc.path}/PrecedenceQueryParser.jj"
+                   outputDir="${javacc.path}"
+    />
+  </target>
+
 </project>