panc ant API: define task panc-version (displays compiler version)

Fixes #73

panc/src/main/java/org/quattor/ant/PanCompilerVersion.java

@@ -0,0 +1,43 @@
+/*
+ Copyright (c) 2006-2012 Centre National de la Recherche Scientifique (CNRS).
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+package org.quattor.ant;
+
+import java.io.File;
+import java.util.LinkedList;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.DirectoryScanner;
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.types.FileSet;
+import org.quattor.pan.Compiler;
+
+/**
+ * An ant task which displays the pan compiler version.
+ * 
+ * @author Michel Jouvin
+ * 
+ */
+public class PanCompilerVersion extends Task {
+
+    @Override
+    public void execute() throws BuildException {
+
+        Compiler.main(null);
+
+    }
+
+}

panc/src/main/resources/org/quattor/ant/panc-ant.xml

@@ -24,4 +24,5 @@
   <taskdef name="panc" classname="org.quattor.ant.PanCompilerTask"/>
   <taskdef name="panc-check-syntax" classname="org.quattor.ant.PanCheckSyntaxTask"/>
   <taskdef name="panc-annotations" classname="org.quattor.ant.PanAnnotationsTask"/>
+  <taskdef name="panc-version" classname="org.quattor.ant.PanCompilerVersion"/>
 </antlib>