home/alospiesjs/www/apis/youtube/vendor/psy/psysh/src/Command/ParseCommand.php000060400000011320151162617160023630 0ustar00parserFactory = new ParserFactory(); $this->parsers = []; parent::__construct($name); } /** * ContextAware interface. * * @param Context $context */ public function setContext(Context $context) { $this->context = $context; } /** * PresenterAware interface. * * @param Presenter $presenter */ public function setPresenter(Presenter $presenter) { $this->presenter = clone $presenter; $this->presenter->addCasters([ Node::class => function (Node $node, array $a) { $a = [ Caster::PREFIX_VIRTUAL.'type' => $node->getType(), Caster::PREFIX_VIRTUAL.'attributes' => $node->getAttributes(), ]; foreach ($node->getSubNodeNames() as $name) { $a[Caster::PREFIX_VIRTUAL.$name] = $node->$name; } return $a; }, ]); } /** * {@inheritdoc} */ protected function configure() { $kindMsg = 'One of PhpParser\\ParserFactory constants: ' .\implode(', ', ParserFactory::getPossibleKinds()) ." (default is based on current interpreter's version)."; $this ->setName('parse') ->setDefinition([ new CodeArgument('code', CodeArgument::REQUIRED, 'PHP code to parse.'), new InputOption('depth', '', InputOption::VALUE_REQUIRED, 'Depth to parse.', 10), new InputOption('kind', '', InputOption::VALUE_REQUIRED, $kindMsg, $this->parserFactory->getDefaultKind()), ]) ->setDescription('Parse PHP code and show the abstract syntax tree.') ->setHelp( <<<'HELP' Parse PHP code and show the abstract syntax tree. This command is used in the development of PsySH. Given a string of PHP code, it pretty-prints the PHP Parser parse tree. See https://github.com/nikic/PHP-Parser It prolly won't be super useful for most of you, but it's here if you want to play. HELP ); } /** * {@inheritdoc} */ protected function execute(InputInterface $input, OutputInterface $output) { $code = $input->getArgument('code'); if (\strpos($code, 'getOption('kind'); $depth = $input->getOption('depth'); $nodes = $this->parse($this->getParser($parserKind), $code); $output->page($this->presenter->present($nodes, $depth)); $this->context->setReturnValue($nodes); return 0; } /** * Lex and parse a string of code into statements. * * @param Parser $parser * @param string $code * * @return array Statements */ private function parse(Parser $parser, string $code): array { try { return $parser->parse($code); } catch (\PhpParser\Error $e) { if (\strpos($e->getMessage(), 'unexpected EOF') === false) { throw $e; } // If we got an unexpected EOF, let's try it again with a semicolon. return $parser->parse($code.';'); } } /** * Get (or create) the Parser instance. * * @param string|null $kind One of Psy\ParserFactory constants (only for PHP parser 2.0 and above) * * @return Parser */ private function getParser(string $kind = null): Parser { if (!\array_key_exists($kind, $this->parsers)) { $this->parsers[$kind] = $this->parserFactory->createParser($kind); } return $this->parsers[$kind]; } }