+<?php
+/**
+ * Modern interactive shell within the MediaWiki engine.
+ *
+ * Merely wraps around http://psysh.org/ and drop an interactive PHP shell in
+ * the global scope.
+ *
+ * Copyright © 2017 Antoine Musso <hashar@free.fr>
+ * Copyright © 2017 Gergő Tisza <tgr.huwiki@gmail.com>
+ * Copyright © 2017 Justin Hileman <justin@justinhileman.info>
+ * Copyright © 2017 Wikimedia Foundation Inc.
+ * https://www.mediawiki.org/
+ *
+ * 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
+ *
+ * @file
+ * @ingroup Maintenance
+ *
+ * @author Antoine Musso <hashar@free.fr>
+ * @author Justin Hileman <justin@justinhileman.info>
+ * @author Gergő Tisza <tgr.huwiki@gmail.com>
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Interactive shell with completion and global scope.
+ *
+ */
+class MediaWikiShell extends Maintenance {
+
+ public function __construct() {
+ parent::__construct();
+ $this->addOption( 'd',
+ 'For back compatibility with eval.php. ' .
+ '0 send debug to stdout. ' .
+ 'With 1 additionally initialize database with debugging ',
+ false, true
+ );
+ }
+
+ public function execute() {
+ if ( !class_exists( \Psy\Shell::class ) ) {
+ $this->error( 'PsySH not found. Please run composer with the --dev option.', 1 );
+ }
+
+ $traverser = new \PhpParser\NodeTraverser();
+ $codeCleaner = new \Psy\CodeCleaner( null, null, $traverser );
+
+ // add this after initializing the code cleaner so all the default passes get added first
+ $traverser->addVisitor( new CodeCleanerGlobalsPass() );
+
+ $config = new \Psy\Configuration( [ 'codeCleaner' => $codeCleaner ] );
+ $config->setUpdateCheck( \Psy\VersionUpdater\Checker::NEVER );
+ $shell = new \Psy\Shell( $config );
+ if ( $this->hasOption( 'd' ) ) {
+ $this->setupLegacy();
+ }
+
+ $shell->run();
+ }
+
+ /**
+ * For back compatibility with eval.php
+ */
+ protected function setupLegacy() {
+ global $wgDebugLogFile;
+
+ $d = intval( $this->getOption( 'd' ) );
+ if ( $d > 0 ) {
+ $wgDebugLogFile = 'php://stdout';
+ }
+ if ( $d > 1 ) {
+ # Set DBO_DEBUG (equivalent of $wgDebugDumpSql)
+ # XXX copy pasted from eval.php :(
+ $lb = wfGetLB();
+ $serverCount = $lb->getServerCount();
+ for ( $i = 0; $i < $serverCount; $i++ ) {
+ $server = $lb->getServerInfo( $i );
+ $server['flags'] |= DBO_DEBUG;
+ $lb->setServerInfo( $i, $server );
+ }
+ }
+ }
+
+}
+
+$maintClass = 'MediaWikiShell';
+require_once RUN_MAINTENANCE_IF_MAIN;