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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 GraphQL\Contracts\TypeSystem\SchemaInterface; |
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use Phplrt\Contracts\Parser\ParserInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\SimpleCache\CacheInterface; |
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use Psr\SimpleCache\InvalidArgumentException; |
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use Railt\SDL\Backend\ExecutionContext; |
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use Railt\SDL\Backend\HashTable; |
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use Railt\SDL\Backend\HashTableInterface; |
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use Railt\SDL\Compiler\ContextFacadeTrait; |
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use Railt\SDL\Compiler\DevelopmentModeFacadeTrait; |
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use Railt\SDL\Compiler\HashTableFacadeTrait; |
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use Railt\SDL\Compiler\LinkerFacadeTrait; |
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use Railt\SDL\Compiler\SpecificationFacadeTrait; |
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use Railt\SDL\Spec\SpecificationInterface; |
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/** |
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* Class Compiler |
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*/ |
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final class Compiler implements CompilerInterface |
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{ |
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use LinkerFacadeTrait; |
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use ContextFacadeTrait; |
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use HashTableFacadeTrait; |
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use SpecificationFacadeTrait; |
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use DevelopmentModeFacadeTrait; |
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/** |
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* @var bool |
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*/ |
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private bool $booted = false; |
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/** |
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* @var ParserInterface |
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*/ |
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private ParserInterface $frontend; |
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/** |
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* Compiler constructor. |
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* |
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* @param SpecificationInterface $spec |
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* @param CacheInterface|null $cache |
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* @param LoggerInterface|null $logger |
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* @throws \Throwable |
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*/ |
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public function __construct( |
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SpecificationInterface $spec = null, |
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CacheInterface $cache = null, |
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LoggerInterface $logger = null |
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) { |
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$this->logger = $logger; |
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$this->frontend = new Frontend($cache); |
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$this->bootLinkerFacadeTrait(); |
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$this->bootContextFacadeTrait(); |
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$this->bootHashTableFacadeTrait(); |
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$this->setSpecification($spec); |
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} |
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/** |
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* {@inheritDoc} |
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* @throws \Throwable |
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* @throws InvalidArgumentException |
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*/ |
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public function preload($source, array $variables = []): self |
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{ |
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$this->bootIfNotBooted(); |
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$this->backend($this->frontend($source), $this->context, $variables); |
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return $this; |
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} |
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/** |
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* @return void |
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*/ |
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private function bootIfNotBooted(): void |
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{ |
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if ($this->booted === false) { |
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$this->booted = true; |
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$this->bootSpecificationFacadeTrait(); |
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} |
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} |
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/** |
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* @param iterable $ast |
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* @param ExecutionContext $ctx |
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* @param array $variables |
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* @return SchemaInterface |
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* @throws \Throwable |
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*/ |
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private function backend(iterable $ast, ExecutionContext $ctx, array $variables = []): SchemaInterface |
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{ |
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$hash = $this->createVariablesContext($variables); |
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$executor = new Backend($this, $ctx); |
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return $executor->run($ast, $hash); |
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} |
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/** |
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* @param array $variables |
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* @return HashTableInterface |
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*/ |
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private function createVariablesContext(array $variables = []): HashTableInterface |
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{ |
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return new HashTable($this->getValueFactory(), $variables, $this->getVariables()); |
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} |
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/** |
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* @param mixed $source |
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* @return iterable |
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* @throws InvalidArgumentException |
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* @throws \Throwable |
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*/ |
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private function frontend($source): iterable |
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{ |
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return $this->frontend->parse($source); |
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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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public function compile($source, array $variables = []): SchemaInterface |
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{ |
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$this->bootIfNotBooted(); |
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try { |
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return $this->backend($this->frontend($source), clone $this->context, $variables); |
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} catch (InvalidArgumentException $e) { |
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throw new \InvalidArgumentException($e->getMessage()); |
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} |
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} |
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} |
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railt /
sdl
