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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\Compiler; |
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use Railt\Parser\Ast\RuleInterface; |
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use Railt\Reflection\Contracts\Definition as DefinitionInterface; |
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use Railt\Reflection\Contracts\Invocation\DirectiveInvocation; |
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use Railt\Reflection\Document; |
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use Railt\SDL\Compiler\Processor\Definition; |
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use Railt\SDL\Compiler\Processor\ProcessorInterface; |
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use Railt\SDL\Exception\CompilerException; |
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/** |
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* Class Factory |
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*/ |
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class Factory |
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{ |
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/** |
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* @var ProcessorInterface[] |
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*/ |
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private const NODE_MAPPINGS = [ |
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'ObjectDefinition' => Definition\ObjectProcessor::class, |
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'InterfaceDefinition' => Definition\InterfaceProcessor::class, |
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]; |
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/** |
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* @var Pipeline |
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*/ |
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private $pipeline; |
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/** |
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* @var Document |
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*/ |
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private $document; |
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/** |
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* @var RuleInterface |
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*/ |
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private $ast; |
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/** |
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* Processor constructor. |
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* @param Document $document |
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* @param RuleInterface $ast |
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*/ |
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public function __construct(Document $document, RuleInterface $ast) |
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{ |
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$this->ast = $ast; |
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$this->document = $document; |
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$this->pipeline = new Pipeline(); |
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} |
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/** |
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* @return Document |
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* @throws \Railt\Io\Exception\ExternalFileException |
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*/ |
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public function process(): Document |
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{ |
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foreach ($this->ast as $child) { |
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$definition = $this->build($child); |
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if ($definition instanceof DefinitionInterface\TypeDefinition) { |
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$this->document->withDefinition($definition); |
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} |
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if ($definition instanceof DirectiveInvocation) { |
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$this->document->withDirective($definition); |
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} |
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} |
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foreach ($this->pipeline as $next) { |
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$next(); |
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} |
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return $this->document; |
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} |
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/** |
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* @param RuleInterface $rule |
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* @return DefinitionInterface |
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* @throws \Railt\Io\Exception\ExternalFileException |
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*/ |
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public function build(RuleInterface $rule): DefinitionInterface |
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{ |
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$mapping = self::NODE_MAPPINGS[$rule->getName()] ?? null; |
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if ($mapping === null) { |
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throw (new CompilerException(\sprintf('No mappings found for %s AST', $rule->getName()))) |
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->throwsIn($this->document->getFile(), $rule->getOffset()); |
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} |
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/** @var ProcessorInterface $instance */ |
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$instance = new $mapping($this->document, $this->pipeline, $this); |
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return $instance->resolve($rule); |
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} |
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} |
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railt /
sdl
