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<?php
class Scribunto_LuaParserFunctionsLibrary extends Scribunto_LuaLibraryBase {
public function register() {
$lib = array(
'expr' => array( $this, 'expr' ),
);
return $this->getEngine()->registerInterface( __DIR__ . '/mw.ext.ParserFunctions.lua', $lib, array() );
}
public function expr( $expression = null ) {
$this->checkType( 'mw.ext.ParserFunctions.expr', 1, $expression, 'string' );
try {
return array( ExtParserFunctions::getExprParser()->doExpression( $expression ) );
} catch ( ExprError $e ) {
throw new Scribunto_LuaError( $e->getMessage() );
}
}
}
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