Extract Xrefer, and refactor JFlexXref

Author: idodeclare

src/org/opensolaris/opengrok/analysis/Common.lexh

@@ -22,5 +22,4 @@
  */
 
 WhspChar    = [ \t\f]
-WhiteSpace  = {WhspChar}+
 EOL         = ([\n\r] | \r\n)

src/org/opensolaris/opengrok/analysis/FileAnalyzer.java

@@ -213,7 +213,7 @@ public void analyze(Document doc, StreamSource src, Writer xrefOut) throws IOExc
      * @return the instance used to write the cross-referencing
      * @throws java.io.IOException if an error occurs
      */
-    public JFlexXref writeXref(WriteXrefArgs args) throws IOException {
+    public Xrefer writeXref(WriteXrefArgs args) throws IOException {
         throw new UnsupportedOperationException(
             "Base FileAnalyzer cannot write xref");
     }

src/org/opensolaris/opengrok/analysis/JFlexJointLexer.java

@@ -39,14 +39,6 @@ public interface JFlexJointLexer extends JFlexStackingLexer {
      */
     void offer(String value) throws IOException;
 
-    /**
-     * Passes non-symbolic fragment for processing, with a hint that it
-     * contains non-word-like characters.
-     * @param value the excised fragment
-     * @throws IOException if an error occurs while accepting
-     */
-    void offerNonword(String value) throws IOException;
-
     /**
      * Passes a text fragment that is syntactically a symbol for processing.
      * @param value the excised symbol