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<?php |
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/** |
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* This file is part of PHP-Yacc 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 PhpYacc; |
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use PhpYacc\CodeGen\Language\PHP; |
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use PhpYacc\CodeGen\Template; |
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use PhpYacc\Compress\Compress; |
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use PhpYacc\Grammar\Context; |
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use PhpYacc\Lalr\Generator as Lalr; |
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use PhpYacc\Yacc\Lexer; |
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use PhpYacc\Yacc\MacroSet; |
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use PhpYacc\Yacc\Parser; |
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/** |
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* Class Generator. |
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*/ |
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class Generator |
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{ |
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/** |
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* @var Parser |
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*/ |
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protected $parser; |
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/** |
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* @var Lalr |
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*/ |
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protected $lalr; |
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/** |
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* @var Compress |
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*/ |
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protected $compressor; |
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/** |
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* Generator constructor. |
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* |
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* @param Parser|null $parser |
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* @param Lalr|null $lalr |
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* @param Compress|null $compressor |
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*/ |
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public function __construct(Parser $parser = null, Lalr $lalr = null, Compress $compressor = null) |
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{ |
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$this->parser = $parser ?: new Parser(new Lexer(), new MacroSet()); |
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$this->lalr = $lalr ?: new Lalr(); |
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$this->compressor = $compressor ?: new Compress(); |
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} |
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/** |
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* @param Context $context |
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* @param string $grammar |
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* @param string $template |
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* @param string $resultFile |
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* |
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* @throws Exception\LexingException |
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* @throws Exception\LogicException |
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* @throws Exception\ParseException |
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* @throws Exception\TemplateException |
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* |
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* @return void |
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*/ |
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public function generate(Context $context, string $grammar, string $template, string $resultFile) |
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{ |
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$template = new Template(new PHP(), $template, $context); |
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$this->parser->parse($grammar, $context); |
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$this->lalr->compute($context); |
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$template->render($this->compressor->compress($context), \fopen($resultFile, 'w')); |
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} |
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} |
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