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<?php |
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/** |
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* DumpTokenListCommand.php |
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* |
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* MIT LICENSE |
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* |
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* LICENSE: This source file is subject to the MIT license. |
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* A copy of the licenses text was distributed alongside this |
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* file (usually the repository or package root). The text can also |
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* be obtained on one of the following sources: |
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* * http://opensource.org/licenses/MIT |
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* * https://github.com/suralc/pvra/blob/master/LICENSE |
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* |
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* @author suralc <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace Pvra\Console\Commands\Debug; |
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use PhpParser\Parser\Tokens; |
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use Pvra\Lexer\ExtendedEmulativeLexer; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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/** |
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* Class DumpTokenListCommand |
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* |
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* @package Pvra\Console\Commands\Debug |
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*/ |
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class DumpTokenListCommand extends Command |
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{ |
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protected function configure() |
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{ |
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$this->setName('debug:dumpTokens') |
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->setDescription('Dump list of tokens in given file'); |
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$this->addArgument('target', InputArgument::REQUIRED, 'The target file'); |
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$this->addOption('tokenizer', 't', InputOption::VALUE_REQUIRED, 'The used tokenizer. Either php or lib', 'php'); |
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} |
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protected function execute(InputInterface $in, OutputInterface $out) |
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{ |
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$file = $in->getArgument('target'); |
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if (!is_file($file) || !is_readable($file)) { |
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$out->writeln(sprintf('<error>"%s" is not a valid file!</error>', $file)); |
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return; |
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} |
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$tokenizer = $in->getOption('tokenizer'); |
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if ($tokenizer === 'php') { |
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$tokens = token_get_all(file_get_contents($file)); |
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foreach ($tokens as $token) { |
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if (is_array($token)) { |
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$out->writeln(sprintf('%s(%s) "%s"', token_name($token[0]), $token[0], $token[1])); |
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} else { |
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$out->writeln('"' . $token . '"'); |
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} |
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} |
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} elseif ($tokenizer === 'lib') { |
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$lexer = ExtendedEmulativeLexer::createDefaultInstance(); |
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$lexer->startLexing(file_get_contents($file)); |
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$offset = 0; |
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while ($id = $lexer->getNextToken()) { |
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if (is_string($name = $this->libTokenToTokenName($id))) { |
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$out->writeln($name . '(' . $lexer->getTokens()[ $offset ][0] . ') ' . $lexer->getTokens()[ $offset ][1]); |
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} else { |
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$out->writeln('Discarded token with id ' . $id); |
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} |
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$offset++; |
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} |
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} else { |
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$out->writeln(sprintf('<error>"%s" is not a valid value for the tokenizer option</error>', $tokenizer)); |
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} |
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} |
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/** |
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* @param int $value |
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* @return string|null |
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*/ |
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private function libTokenToTokenName($value) |
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{ |
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static $resolved; |
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if ($resolved === null) { |
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$refl = new \ReflectionClass(Tokens::class); |
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$consts = $refl->getConstants(); |
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$resolved = array_flip($consts); |
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} |
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return isset($resolved[ $value ]) ? $resolved[ $value ] : null; |
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} |
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} |
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suralc /
pvra
