Using the JavaCC CACHE_TOKENS option to optimize the parser slightly. This option makes the parser slightly smaller (about 2KB) and very slightly faster

git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@4448 51baf565-9d33-0410-a72c-fc3788e3496d

pmd/etc/grammar/Java.jjt

@@ -53,13 +53,14 @@
 
 options {
   JAVA_UNICODE_ESCAPE = true;
+  CACHE_TOKENS = true;
+  STATIC = false;
   USER_CHAR_STREAM = true;
-  MULTI=true;
-  VISITOR=true;
-  NODE_USES_PARSER=true;
+  
+  MULTI = true;
+  VISITOR = true;
+  NODE_USES_PARSER = true;
   NODE_PACKAGE="net.sourceforge.pmd.ast";
-  DEBUG_TOKEN_MANAGER = false;
-  STATIC=false;
 }
 
 PARSER_BEGIN(JavaParser)

pmd/etc/grammar/cpp.jj

@@ -26,6 +26,7 @@
 options {
   STATIC=false;
   BUILD_PARSER=false;
+  CACHE_TOKENS=true;
 }
 
 PARSER_BEGIN(CPPParser)

pmd/rulesets/scratchpad.xml

@@ -10,13 +10,22 @@ These are new rules that are still in progress
   </description>
 
 
-    <rule name="RowSetClose"
-           message="Avoid invoking the ''close'' method on the RowSet object ''{0}''"
-           class="net.sourceforge.pmd.rules.RowSetClose">
+    <rule name="TryWithoutCatch"
+           message="Try stmt w/o catch block"
+           class="net.sourceforge.pmd.rules.XPathRule">
        <description>
-Avoid invoking the 'close' method on a RowSet object
+Try stmt w/o catch block
        </description>
          <priority>3</priority>
+        <properties>
+          <property name="xpath">
+            <value>
+                <![CDATA[
+//TryStatement[count(CatchStatement)=0]
+     ]]>
+            </value>
+          </property>
+        </properties>
        <example>
    <![CDATA[
 public class Foo {