Add jsparse.php maintenance script to run given JavaScript files through JSMin+'s...

This also confirms JSMin+'s fairly abysmal memory usage on large complex files. :) Pass --memory-limit to set to arbitrary values to see where it dies on your file. ;)

diff --git a/maintenance/jsparse.php b/maintenance/jsparse.php
new file mode 100644 (file)
index 0000000..ae6f1f1
--- /dev/null
+++ b/maintenance/jsparse.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Maintenance script to do test JavaScript validity parses using jsmin+'s parser
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @ingroup Maintenance
+ */
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+
+class JSParseHelper extends Maintenance {
+       var $errs = 0;
+
+       public function __construct() {
+               parent::__construct();
+               $this->mDescription = "Runs parsing/syntax checks on JavaScript files";
+               $this->addArg( 'file(s)', 'JavaScript file to test', false );
+       }
+
+       public function execute() {
+               $iterations = $this->getOption( 'i', 100 );
+               if ( $this->hasArg() ) {
+                       $files = $this->mArgs;
+               } else {
+                       $this->maybeHelp( true ); // @fixme this is a lame API :)
+                       exit( 1 ); // it should exit from the above first...
+               }
+
+               $parser = new JSParser();
+               foreach ( $files as $filename ) {
+                       wfSuppressWarnings();
+                       $js = file_get_contents( $filename );
+                       wfRestoreWarnings();
+                       if ($js === false) {
+                               $this->output( "$filename ERROR: could not read file\n" );
+                               $this->errs++;
+                               continue;
+                       }
+
+                       try {
+                               $parser->parse( $js, $filename, 1 );
+                       } catch (Exception $e) {
+                               $this->errs++;
+                               $this->output( "$filename ERROR: " . $e->getMessage() . "\n" );
+                               continue;
+                       }
+
+                       $this->output( "$filename OK\n" );
+               }
+
+               if ($this->errs > 0) {
+                       exit(1);
+               }
+       }
+}
+
+$maintClass = "JSParseHelper";
+require_once( RUN_MAINTENANCE_IF_MAIN );