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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\Ast; |
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use Railt\Parser\Ast\Rule; |
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use Railt\Parser\Ast\RuleInterface; |
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use Railt\Reflection\Contracts\Definition\Behaviour\ProvidesTypeIndication; |
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/** |
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* Class TypeHintNode |
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*/ |
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class TypeHintNode extends Rule |
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{ |
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/** |
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* @var string |
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*/ |
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private const HINT_LIST = 'ListTypeHint'; |
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/** |
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* @var string |
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*/ |
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private const HINT_SINGULAR = 'SingularTypeHint'; |
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/** |
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* @var string |
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*/ |
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private const HINT_NOT_NULL = 'NonNull'; |
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/** |
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* @var int |
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*/ |
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protected $modifiers = 0; |
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/** |
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* @var string |
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*/ |
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protected $definition; |
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/** |
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* TypeHintNode constructor. |
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* @param string $name |
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* @param array $children |
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* @param int $offset |
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*/ |
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public function __construct(string $name, $children = [], int $offset = 0) |
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{ |
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parent::__construct($name, $children, $offset); |
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$inner = \reset($children); |
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if ($this->isListTypeHint($inner)) { |
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$this->parseListTypeHint($inner); |
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} else { |
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$this->parseInnerTypeHint($inner); |
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} |
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} |
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/** |
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* @param RuleInterface $rule |
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* @return bool |
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*/ |
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private function isListTypeHint(RuleInterface $rule): bool |
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{ |
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return $rule->getName() === self::HINT_LIST; |
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} |
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/** |
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* @param RuleInterface $rule |
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*/ |
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private function parseListTypeHint(RuleInterface $rule): void |
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{ |
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$this->modifiers |= ProvidesTypeIndication::IS_LIST; |
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foreach ($rule->getChildren() as $child) { |
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switch ($child->getName()) { |
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case self::HINT_SINGULAR: |
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$this->parseInnerTypeHint($child); |
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break; |
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case self::HINT_NOT_NULL: |
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$this->modifiers |= ProvidesTypeIndication::IS_LIST_OF_NOT_NULL; |
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break; |
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} |
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} |
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} |
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/** |
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* @param RuleInterface $rule |
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*/ |
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private function parseInnerTypeHint(RuleInterface $rule): void |
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{ |
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foreach ($rule->getChildren() as $child) { |
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switch ($child->getName()) { |
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case self::HINT_NOT_NULL: |
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$this->modifiers |= ProvidesTypeIndication::IS_NOT_NULL; |
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break; |
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case 'TypeName': |
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/** @var TypeNameNode $child */ |
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$this->definition = $child->getTypeName(); |
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break; |
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} |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getTypeName(): string |
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{ |
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return $this->definition; |
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} |
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/** |
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* @return int |
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*/ |
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public function getModifiers(): int |
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{ |
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return $this->modifiers; |
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} |
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} |
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railt /
sdl
