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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Scribunto\Engines\LuaStandalone; |
| 4 | |
| 5 | class LuaStandaloneInterpreterFunction { |
| 6 | /** @var bool[] */ |
| 7 | public static $anyChunksDestroyed = []; |
| 8 | /** @var int[][] */ |
| 9 | public static $activeChunkIds = []; |
| 10 | |
| 11 | /** |
| 12 | * @var int |
| 13 | */ |
| 14 | public $interpreterId; |
| 15 | |
| 16 | /** |
| 17 | * @var int |
| 18 | */ |
| 19 | public $id; |
| 20 | |
| 21 | /** |
| 22 | * @param int $interpreterId |
| 23 | * @param int $id |
| 24 | */ |
| 25 | public function __construct( $interpreterId, $id ) { |
| 26 | $this->interpreterId = $interpreterId; |
| 27 | $this->id = $id; |
| 28 | $this->incrementRefCount(); |
| 29 | } |
| 30 | |
| 31 | public function __clone() { |
| 32 | $this->incrementRefCount(); |
| 33 | } |
| 34 | |
| 35 | public function __wakeup() { |
| 36 | $this->incrementRefCount(); |
| 37 | } |
| 38 | |
| 39 | public function __destruct() { |
| 40 | $this->decrementRefCount(); |
| 41 | } |
| 42 | |
| 43 | private function incrementRefCount() { |
| 44 | if ( !isset( self::$activeChunkIds[$this->interpreterId] ) ) { |
| 45 | self::$activeChunkIds[$this->interpreterId] = [ $this->id => 1 ]; |
| 46 | } elseif ( !isset( self::$activeChunkIds[$this->interpreterId][$this->id] ) ) { |
| 47 | self::$activeChunkIds[$this->interpreterId][$this->id] = 1; |
| 48 | } else { |
| 49 | self::$activeChunkIds[$this->interpreterId][$this->id]++; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | private function decrementRefCount() { |
| 54 | if ( isset( self::$activeChunkIds[$this->interpreterId][$this->id] ) ) { |
| 55 | if ( --self::$activeChunkIds[$this->interpreterId][$this->id] <= 0 ) { |
| 56 | unset( self::$activeChunkIds[$this->interpreterId][$this->id] ); |
| 57 | self::$anyChunksDestroyed[$this->interpreterId] = true; |
| 58 | } |
| 59 | } else { |
| 60 | self::$anyChunksDestroyed[$this->interpreterId] = true; |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | // Alias exists due to serialization of class name into MWServer.lua |
| 66 | class_alias( LuaStandaloneInterpreterFunction::class, 'Scribunto_LuaStandaloneInterpreterFunction' ); |