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<?php |
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declare(strict_types=1); |
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namespace Antlr\Antlr4\Runtime\Atn\Actions; |
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use Antlr\Antlr4\Runtime\Comparison\Hasher; |
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use Antlr\Antlr4\Runtime\Lexer; |
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/** |
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* Implements the `type` lexer action by calling {@see Lexer::setType()} |
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* with the assigned type. |
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* |
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* @author Sam Harwell |
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*/ |
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final class LexerTypeAction implements LexerAction |
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{ |
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/** @var int */ |
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private $type; |
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/** |
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* Constructs a new `type` action with the specified token type value. |
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* |
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* @param int $type The type to assign to the token using {@see Lexer::setType()}. |
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*/ |
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public function __construct(int $type) |
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{ |
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$this->type = $type; |
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} |
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/** |
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* Gets the type to assign to a token created by the lexer. |
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* |
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* @return int The type to assign to a token created by the lexer. |
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*/ |
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public function getType() : int |
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{ |
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return $this->type; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @return int This method returns {@see LexerActionType::TYPE}. |
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*/ |
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public function getActionType() : int |
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{ |
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return LexerActionType::TYPE; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @return bool This method returns `false`. |
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*/ |
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public function isPositionDependent() : bool |
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{ |
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return false; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* This action is implemented by calling {@see Lexer::setType()} with the |
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* value provided by {@see LexerTypeAction::getType()}. |
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*/ |
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public function execute(Lexer $lexer) : void |
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{ |
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$lexer->setType($this->type); |
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} |
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public function hashCode() : int |
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{ |
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return Hasher::hash($this->getActionType(), $this->type); |
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} |
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public function equals(object $other) : bool |
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{ |
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if ($this === $other) { |
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return true; |
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} |
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if (!$other instanceof self) { |
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return false; |
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} |
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return $this->type === $other->type; |
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} |
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public function __toString() : string |
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{ |
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return \sprintf('type(%d)', $this->type); |
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} |
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} |
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SetBased /
antlr-php-runtime
