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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\Frontend\Ast; |
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use Phplrt\Contracts\Ast\NodeInterface; |
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/** |
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* Class Node |
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* |
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* @property-read string $kind |
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*/ |
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abstract class Node implements NodeInterface, \JsonSerializable |
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{ |
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use ResolvableTrait; |
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/** |
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* @var Location|null |
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*/ |
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public ?Location $loc = null; |
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/** |
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* @return \Traversable|NodeInterface[] |
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*/ |
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public function getIterator(): \Traversable |
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{ |
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foreach (\get_object_vars($this) as $property => $value) { |
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if ($value instanceof NodeInterface || \is_array($value)) { |
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yield $property => $value; |
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} |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function getOffset(): int |
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{ |
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return $this->loc->start; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString(): string |
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{ |
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try { |
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return (string)\json_encode($this->jsonSerialize(), \JSON_PRETTY_PRINT | \JSON_THROW_ON_ERROR); |
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} catch (\JsonException $e) { |
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return (string)\var_export($this, true); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public function jsonSerialize(): array |
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{ |
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return $this->toArray(); |
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} |
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/** |
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* @return array |
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*/ |
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public function toArray(): array |
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{ |
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$properties = \array_merge(['kind' => $this->getKind()], \get_object_vars($this)); |
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if (isset($properties['loc'])) { |
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unset($properties['loc']); |
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} |
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return $properties; |
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} |
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/** |
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* @return string |
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*/ |
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public function getKind(): string |
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{ |
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$fqn = \str_replace('\\', \DIRECTORY_SEPARATOR, static::class); |
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return \basename($fqn, 'Node'); |
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} |
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} |
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railt /
sdl
