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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; |
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use Railt\Io\Exception\ExternalFileException; |
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use Railt\Io\File; |
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use Railt\Io\Readable; |
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use Railt\Reflection\Contracts\Definition; |
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use Railt\Reflection\Contracts\Document as DocumentInterface; |
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use Railt\Reflection\Contracts\Reflection as ReflectionInterface; |
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use Railt\Reflection\Dictionary\CallbackDictionary; |
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use Railt\Reflection\Document; |
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use Railt\Reflection\Reflection; |
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use Railt\SDL\Compiler\Backend; |
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use Railt\SDL\Compiler\Frontend; |
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use Railt\SDL\Compiler\Process; |
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use Railt\SDL\Exception\InternalErrorException; |
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use Railt\SDL\Exception\SyntaxException; |
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use Railt\SDL\Exception\TypeException; |
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use Railt\SDL\TypeLoader\TypeLoaderInterface; |
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/** |
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* Class Compiler |
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*/ |
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class Compiler implements CompilerInterface |
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{ |
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/** |
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* @var ReflectionInterface |
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*/ |
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private $reflection; |
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/** |
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* @var Frontend |
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*/ |
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private $frontend; |
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/** |
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* @var Backend |
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*/ |
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private $backend; |
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/** |
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* @var Process |
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*/ |
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private $process; |
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/** |
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* @var array|TypeLoaderInterface[] |
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*/ |
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private $loaders = []; |
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/** |
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* Compiler constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->process = new Process(); |
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$this->frontend = new Frontend(); |
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$this->backend = new Backend($this->process); |
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$this->reflection = new Reflection(new CallbackDictionary($this->typeLoader())); |
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} |
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/** |
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* @param TypeLoaderInterface $loader |
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*/ |
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public function autoload(TypeLoaderInterface $loader): void |
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{ |
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$this->loaders[] = $loader; |
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} |
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/** |
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* @return \Closure |
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*/ |
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private function typeLoader(): \Closure |
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{ |
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return function (string $type, Definition $from = null): ?DocumentInterface { |
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foreach ($this->loaders as $loader) { |
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if ($file = $loader->load($type, $from)) { |
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return $this->compile($file); |
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} |
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} |
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return null; |
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}; |
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} |
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/** |
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* @param Readable $schema |
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* @return DocumentInterface |
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* @throws ExternalFileException |
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* @throws InternalErrorException |
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*/ |
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public function compile(Readable $schema): DocumentInterface |
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{ |
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try { |
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$document = $this->runCompiler($schema); |
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$this->process->run(); |
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return $document; |
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} catch (ExternalFileException $e) { |
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$class = \get_class($e); |
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/** @var ExternalFileException $exception */ |
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$exception = new $class($e->getMessage()); |
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$exception->throwsIn($schema, $e->getLine(), $e->getColumn()); |
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throw $exception; |
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} |
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} |
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/** |
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* @param Readable $schema |
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* @return DocumentInterface |
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* @throws InternalErrorException |
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* @throws SyntaxException |
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* @throws TypeException |
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*/ |
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private function runCompiler(Readable $schema): DocumentInterface |
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{ |
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return $this->run(clone $this->reflection, $schema); |
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} |
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/** |
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* @param ReflectionInterface $reflection |
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* @param Readable $schema |
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* @return DocumentInterface |
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* @throws InternalErrorException |
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* @throws SyntaxException |
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* @throws TypeException |
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*/ |
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private function run(ReflectionInterface $reflection, Readable $schema): DocumentInterface |
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{ |
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return $this->backend->each( |
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$this->backend->context($this->document($reflection, $schema)), |
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$this->frontend->exec($schema) |
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); |
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} |
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/** |
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* @param ReflectionInterface $reflection |
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* @param Readable $schema |
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* @return DocumentInterface |
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*/ |
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private function document(ReflectionInterface $reflection, Readable $schema): DocumentInterface |
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{ |
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return new Document($reflection, $schema); |
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} |
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/** |
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* @param Readable $schema |
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* @return ReflectionInterface |
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* @throws InternalErrorException |
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* @throws SyntaxException |
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* @throws TypeException |
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*/ |
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public function preload(Readable $schema): ReflectionInterface |
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{ |
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$this->run($this->reflection, $schema); |
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return $this->reflection; |
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} |
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} |
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railt /
sdl
