handle zero length result sets

src/CommandLineInterface.hx

@@ -30,6 +30,12 @@ class CommandLineInterface {
         parser.load_processors_from_resources();
 
         var results = parser.parse(code);
+
+        if (results.length == 0) {
+          neko.Lib.print("Your code didn't have any tokens in it!");
+          neko.Sys.exit(0);
+        }
+
         var ignored_modules = parser.ignored_modules;
         var ignored_tokens_in_modules = parser.ignored_tokens_in_modules;
 

src/JavaScriptTarget.hx

@@ -94,9 +94,16 @@ class JavaScriptTarget {
       Display code version information.
     **/
     static public function display_version_information() {
+      var output : String;
+      var ignored_tokens        = new Array<String>();
+      var ignored_modules_array = new Array<String>();
+
+      if (current_results.length == 0) {
+        output = "<div id=\"code-announcement\">Your code doesn't have any tokens in it!</div>";
+      } else {
         var version_info = new CodeVersionInformation(current_results, ignored_modules, ignored_tokens_in_modules);
 
-      var output = "<div id=\"code-announcement\">Your code requires the following minimum PHP & PECL module versions:</div>";
+        output = "<div id=\"code-announcement\">Your code requires the following minimum PHP & PECL module versions:</div>";
 
         var minimum = version_info.final_versions.get("minimum");
 
@@ -115,8 +122,6 @@ class JavaScriptTarget {
 
         all_modules.sort(CodeVersionInformation.module_name_sorter);
 
-      var ignored_tokens        = new Array<String>();
-      var ignored_modules_array = new Array<String>();
         for (module in manually_ignored_modules.keys()) {
           if (manually_ignored_modules.get(module) == true) {
             ignored_modules_array.push("@" + module);
@@ -265,6 +270,7 @@ class JavaScriptTarget {
         output += "</table>";
 
         output += "</form>";
+      }
 
       // update the how-to-ignore information
       var permanent_ignore_div = js.Lib.document.getElementById("permanent-ignore");