Mercurial > hg > isophonics-drupal-site
view vendor/nikic/php-parser/lib/PhpParser/Parser/Multiple.php @ 13:5fb285c0d0e3
Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.
author | Chris Cannam |
---|---|
date | Mon, 23 Apr 2018 09:33:26 +0100 |
parents | 4c8ae668cc8c |
children |
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<?php declare(strict_types=1); namespace PhpParser\Parser; use PhpParser\Error; use PhpParser\ErrorHandler; use PhpParser\Parser; class Multiple implements Parser { /** @var Parser[] List of parsers to try, in order of preference */ private $parsers; /** * Create a parser which will try multiple parsers in an order of preference. * * Parsers will be invoked in the order they're provided to the constructor. If one of the * parsers runs without throwing, it's output is returned. Otherwise the exception that the * first parser generated is thrown. * * @param Parser[] $parsers */ public function __construct(array $parsers) { $this->parsers = $parsers; } public function parse(string $code, ErrorHandler $errorHandler = null) { if (null === $errorHandler) { $errorHandler = new ErrorHandler\Throwing; } list($firstStmts, $firstError) = $this->tryParse($this->parsers[0], $errorHandler, $code); if ($firstError === null) { return $firstStmts; } for ($i = 1, $c = count($this->parsers); $i < $c; ++$i) { list($stmts, $error) = $this->tryParse($this->parsers[$i], $errorHandler, $code); if ($error === null) { return $stmts; } } throw $firstError; } private function tryParse(Parser $parser, ErrorHandler $errorHandler, $code) { $stmts = null; $error = null; try { $stmts = $parser->parse($code, $errorHandler); } catch (Error $error) {} return [$stmts, $error]; } }