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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\Builder; |
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use Railt\Io\Readable; |
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use Railt\Parser\Ast\RuleInterface; |
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use Railt\Reflection\AbstractDefinition; |
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use Railt\Reflection\Contracts\Definition; |
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use Railt\Reflection\Contracts\Definition\TypeDefinition; |
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use Railt\Reflection\Contracts\Document; |
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use Railt\Reflection\Exception\TypeNotFoundException; |
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use Railt\SDL\Compiler\Backend; |
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use Railt\SDL\Compiler\Process; |
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use Railt\SDL\Exception\TypeNotFoundException as SDLTypeNotFoundException; |
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/** |
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* Class Builder |
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*/ |
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abstract class Builder implements BuilderInterface |
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{ |
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/** |
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* @var Readable |
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*/ |
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protected $file; |
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/** |
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* @var Definition |
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*/ |
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protected $definition; |
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/** |
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* @var Document |
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*/ |
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protected $document; |
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/** |
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* @var RuleInterface |
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*/ |
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protected $ast; |
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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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* Builder constructor. |
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* @param Context $ctx |
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* @param RuleInterface $ast |
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* @param Backend $backend |
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*/ |
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public function __construct(Context $ctx, RuleInterface $ast, Backend $backend) |
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{ |
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$this->ast = $ast; |
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$this->backend = $backend; |
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$this->file = $ctx->getFile(); |
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$this->definition = $ctx->getDefinition(); |
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$this->document = $this->definition->getDocument(); |
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} |
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/** |
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* @param string $type |
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* @param Definition $from |
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* @param int $offset |
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* @return TypeDefinition |
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* @throws SDLTypeNotFoundException |
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*/ |
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protected function load(string $type, Definition $from, int $offset): TypeDefinition |
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{ |
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try { |
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return $from->getDictionary()->get($type, $from); |
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} catch (TypeNotFoundException $e) { |
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$exception = new SDLTypeNotFoundException($e->getMessage()); |
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$exception->throwsIn($from->getFile(), $offset); |
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throw $exception; |
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} |
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} |
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/** |
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* @param \Closure $then |
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*/ |
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protected function async(\Closure $then): void |
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{ |
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$this->backend->async($then); |
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} |
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/** |
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* @param Definition $context |
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* @param RuleInterface $ast |
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* @return Definition |
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* @throws \Railt\SDL\Exception\TypeException |
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*/ |
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protected function make(Definition $context, RuleInterface $ast): Definition |
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{ |
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return $this->backend->exec(new Context($this->file, $context), $ast); |
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} |
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/** |
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* @param Definition|AbstractDefinition $definition |
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* @return Definition |
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*/ |
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protected function bind(Definition $definition): Definition |
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{ |
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$definition->withOffset($this->ast->getOffset()); |
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return $definition; |
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} |
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/** |
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* @return string |
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* @throws \Railt\SDL\Exception\SyntaxException |
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*/ |
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protected function getName(): string |
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{ |
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return Utils::getName($this->file, $this->ast); |
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} |
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/** |
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* @return string|null |
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*/ |
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protected function findName(): ?string |
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{ |
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return Utils::findName($this->ast); |
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} |
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} |
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railt /
sdl
