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<?php |
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/** |
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* This file is part of Railt package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Railt\SDL\Console; |
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use Phplrt\Source\File; |
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use Railt\SDL\Exception\SyntaxErrorException; |
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use Railt\SDL\Frontend\Ast\Node; |
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use Railt\SDL\Frontend\Parser; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Exception\InvalidArgumentException; |
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use Symfony\Component\Console\Exception\RuntimeException; |
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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\Output\OutputInterface; |
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use Symfony\Component\Console\Question\Question; |
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/** |
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* Class ParseCommand |
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*/ |
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class ParseCommand extends Command |
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{ |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getName(): string |
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{ |
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return 'sdl:parse'; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getDescription(): string |
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{ |
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return 'The command to analyze and display the AST structure of the GraphQL source code'; |
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} |
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/** |
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* @return void |
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* @throws InvalidArgumentException |
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*/ |
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public function configure(): void |
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{ |
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$this->addArgument( |
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'source', |
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InputArgument::OPTIONAL, |
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'GraphQL source file pathname' |
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); |
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} |
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/** |
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* {@inheritDoc} |
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* @throws \Throwable |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output): int |
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{ |
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if ($source = $input->getArgument('source')) { |
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$source = File::fromPathname($source); |
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$output->writeln('Parsing <comment>' . $source->getPathname() . '</comment>' . "\n"); |
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/** @var Node[] $result */ |
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$result = (new Parser())->parse($source); |
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foreach ($result as $item) { |
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$output->writeln(\str_repeat('-', 80)); |
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$output->writeln(\vsprintf(' File <info>%s:%d</info>', [ |
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$item->loc->source->getPathname(), |
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$item->loc->getStartLine(), |
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])); |
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$output->writeln(\str_repeat('-', 80)); |
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$output->writeln((string)$item); |
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} |
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$output->writeln(\str_repeat('-', 80)); |
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return 0; |
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} |
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$this->interactive($input, $output); |
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return 0; |
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} |
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/** |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* @return void |
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* @throws RuntimeException |
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* @throws \Throwable |
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*/ |
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private function interactive(InputInterface $input, OutputInterface $output): void |
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{ |
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$parser = new Parser(); |
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$question = new Question($this->line('↳')); |
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$stream = $this->getHelper('question'); |
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while (true) { |
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$source = $stream->ask($input, $output, $question); |
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if ($source === null) { |
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continue; |
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} |
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try { |
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$result = \implode("\n", [...$parser->parse($source)]); |
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$output->writeln($this->line('⇲', $result, 'yellow')); |
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} catch (SyntaxErrorException $e) { |
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$message = \vsprintf('<error> %s on line %d at column %d </error>', [ |
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$e->getMessage(), |
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$e->getPosition()->getLine(), |
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$e->getPosition()->getColumn(), |
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]); |
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$output->writeln($this->line('⨯', $message, 'red')); |
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} |
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} |
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} |
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/** |
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* @param string $msg |
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* @param string $body |
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* @param string $color |
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* @return string |
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*/ |
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private function line(string $msg, string $body = '', string $color = 'cyan'): string |
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{ |
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$lines = \explode("\n", \str_replace("\r", '', $body)); |
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$lines = \array_map(static function (string $line, int $i) use ($color, $msg): string { |
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return \sprintf('<bg=%s> %s </> ', $color, $i ? ' ' : $msg) . $line; |
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}, $lines, \array_keys($lines)); |
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return \implode("\n", $lines); |
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} |
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} |
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railt /
sdl
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