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LuaStandaloneEngine.php
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LuaStandaloneEngine.php
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<?php
namespace MediaWiki\Extension\Scribunto\Engines\LuaStandalone;
use Exception;
use MediaWiki\Extension\Scribunto\Engines\LuaCommon\LuaEngine;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\Parser\ParserOutput;
class LuaStandaloneEngine extends LuaEngine {
/** @var int|null */
protected static $clockTick;
/** @var array|false */
public $initialStatus;
/**
* @var LuaStandaloneInterpreter
*/
protected $interpreter;
public function load() {
parent::load();
if ( php_uname( 's' ) === 'Linux' ) {
$this->initialStatus = $this->interpreter->getStatus();
} else {
$this->initialStatus = false;
}
}
/** @inheritDoc */
public function getPerformanceCharacteristics() {
return [
'phpCallsRequireSerialization' => true,
];
}
/** @inheritDoc */
public function reportLimitData( ParserOutput $parserOutput ) {
try {
$this->load();
} catch ( Exception $e ) {
return;
}
if ( $this->initialStatus ) {
$status = $this->interpreter->getStatus();
$parserOutput->setLimitReportData( 'scribunto-limitreport-timeusage',
[
sprintf( "%.3f", $status['time'] / $this->getClockTick() ),
// Strip trailing .0s
rtrim( rtrim( sprintf( "%.3f", $this->options['cpuLimit'] ), '0' ), '.' )
]
);
$parserOutput->setLimitReportData( 'scribunto-limitreport-virtmemusage',
[
$status['vsize'],
$this->options['memoryLimit']
]
);
$parserOutput->setLimitReportData( 'scribunto-limitreport-estmemusage',
$status['vsize'] - $this->initialStatus['vsize']
);
}
$logs = $this->getLogBuffer();
if ( $logs !== '' ) {
$parserOutput->addModules( [ 'ext.scribunto.logs' ] );
$parserOutput->setLimitReportData( 'scribunto-limitreport-logs', $logs );
}
}
/** @inheritDoc */
public function formatLimitData( $key, &$value, &$report, $isHTML, $localize ) {
switch ( $key ) {
case 'scribunto-limitreport-logs':
if ( $isHTML ) {
$report .= $this->formatHtmlLogs( $value, $localize );
}
return false;
}
return true;
}
/**
* @return int
*/
protected function getClockTick() {
if ( self::$clockTick === null ) {
// phpcs:ignore Generic.PHP.NoSilencedErrors.Discouraged,MediaWiki.Usage.ForbiddenFunctions.shell_exec
self::$clockTick = intval( @shell_exec( 'getconf CLK_TCK' ) );
if ( !self::$clockTick ) {
self::$clockTick = 100;
}
}
return self::$clockTick;
}
/**
* @return LuaStandaloneInterpreter
*/
protected function newInterpreter() {
return new LuaStandaloneInterpreter( $this, $this->options + [
'logger' => LoggerFactory::getInstance( 'Scribunto' )
] );
}
/** @inheritDoc */
public function getSoftwareInfo( array &$software ) {
$ver = LuaStandaloneInterpreter::getLuaVersion( $this->options );
if ( $ver !== null ) {
if ( substr( $ver, 0, 6 ) === 'LuaJIT' ) {
$software['[http://luajit.org/ LuaJIT]'] = str_replace( 'LuaJIT ', '', $ver );
} else {
$software['[http://www.lua.org/ Lua]'] = str_replace( 'Lua ', '', $ver );
}
}
}
}

File Metadata

Mime Type
text/x-php
Expires
Aug 16 2026, 06:44 (12 w, 17 h ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
81/46/f73127da9d1513bc854f2339a13a
Default Alt Text
LuaStandaloneEngine.php (2 KB)

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