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<?php |
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declare(strict_types=1); |
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/** |
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* @license http://opensource.org/licenses/mit-license.php MIT |
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* @link https://github.com/nicoSWD |
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* @author Nicolas Oelgart <[email protected]> |
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*/ |
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namespace nicoSWD\Rules; |
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use nicoSWD\Rules\TokenStream\AST; |
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use nicoSWD\Rules\Compiler\CompilerFactory; |
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use nicoSWD\Rules\Evaluator\Evaluator; |
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use nicoSWD\Rules\Evaluator\EvaluatorInterface; |
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use nicoSWD\Rules\Expressions\ExpressionFactory; |
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use nicoSWD\Rules\Grammar\JavaScript\JavaScript; |
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use nicoSWD\Rules\Tokenizer\Tokenizer; |
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use nicoSWD\Rules\Tokens\TokenFactory; |
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use nicoSWD\Rules\TokenStream\TokenStream; |
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return new class |
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{ |
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private static $tokenStream; |
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private static $tokenFactory; |
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private static $compiler; |
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private static $javaScript; |
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private static $expressionFactory; |
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private static $tokenizer; |
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private static $evaluator; |
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public function parser(array $variables): Parser |
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{ |
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return new Parser( |
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self::ast($variables), |
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self::expressionFactory(), |
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self::compiler() |
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); |
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} |
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public function evaluator(): EvaluatorInterface |
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{ |
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if (!isset(self::$evaluator)) { |
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self::$evaluator = new Evaluator(); |
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} |
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return self::$evaluator; |
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} |
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private static function tokenFactory(): TokenFactory |
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{ |
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if (!isset(self::$tokenFactory)) { |
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self::$tokenFactory = new TokenFactory(); |
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} |
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return self::$tokenFactory; |
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} |
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private static function compiler(): CompilerFactory |
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{ |
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if (!isset(self::$compiler)) { |
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self::$compiler = new CompilerFactory(); |
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} |
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return self::$compiler; |
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} |
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private static function ast(array $variables): AST |
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{ |
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$ast = new AST(self::tokenizer(), self::tokenFactory(), self::tokenStream()); |
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$ast->setVariables($variables); |
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return $ast; |
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} |
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private static function tokenizer(): Tokenizer |
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{ |
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if (!isset(self::$tokenizer)) { |
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self::$tokenizer = new Tokenizer(self::javascript(), self::tokenFactory()); |
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} |
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return self::$tokenizer; |
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} |
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private static function javascript(): JavaScript |
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{ |
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if (!isset(self::$javaScript)) { |
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self::$javaScript = new JavaScript(); |
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} |
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return self::$javaScript; |
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} |
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private static function tokenStream(): TokenStream |
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{ |
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if (!isset(self::$tokenStream)) { |
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self::$tokenStream = new TokenStream(); |
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} |
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return self::$tokenStream; |
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} |
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private static function expressionFactory(): ExpressionFactory |
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{ |
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if (!isset(self::$expressionFactory)) { |
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self::$expressionFactory = new ExpressionFactory(); |
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} |
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return self::$expressionFactory; |
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} |
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}; |
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