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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; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\LoggerInterface; |
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use Railt\SDL\Frontend\Analyzer\AnalyzerInterface; |
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use Railt\SDL\Frontend\Analyzer\LoggerAnalyzer; |
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use Railt\SDL\Frontend\Analyzer\PrioritizeAnalyzer; |
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/** |
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* Class Analyzer |
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*/ |
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class Analyzer implements AnalyzerInterface, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @var AnalyzerInterface[] |
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*/ |
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private const DEFAULTS = [ |
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// Change opcodes priorities |
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PrioritizeAnalyzer::class, |
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// Should be last |
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LoggerAnalyzer::class, |
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]; |
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/** |
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* @var array|AnalyzerInterface[] |
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*/ |
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private $instances = []; |
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/** |
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* Analyzer constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->bootDefaults(); |
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} |
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/** |
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* @return void |
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*/ |
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private function bootDefaults(): void |
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{ |
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foreach (self::DEFAULTS as $analyzer) { |
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$this->addAnalyzer(new $analyzer); |
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} |
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} |
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/** |
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* @param AnalyzerInterface $analyzer |
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* @return Analyzer |
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*/ |
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public function addAnalyzer(AnalyzerInterface $analyzer): Analyzer |
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{ |
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$this->instances[] = $analyzer; |
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if ($this->logger && $analyzer instanceof LoggerAwareInterface) { |
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$analyzer->setLogger($this->logger); |
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} |
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return $this; |
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} |
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/** |
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* @param LoggerInterface $logger |
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* @return Analyzer |
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*/ |
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public function setLogger(LoggerInterface $logger): Analyzer |
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{ |
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$this->logger = $logger; |
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foreach ($this->instances as $instance) { |
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if ($instance instanceof LoggerAwareInterface) { |
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$instance->setLogger($logger); |
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} |
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} |
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return $this; |
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} |
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/** |
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* @param iterable $opcodes |
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* @return iterable |
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*/ |
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public function analyze(iterable $opcodes): iterable |
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{ |
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foreach ($this->instances as $instance) { |
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$opcodes = $instance->analyze($opcodes); |
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} |
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yield from $opcodes; |
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} |
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} |
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