✏️ Editing: ParserFactory.php Read Only

<?php

declare (strict_types=1);
namespace PhpParser;

use PhpParser\Lexer\Emulative;
use PhpParser\Parser\Php7;
class ParserFactory
{
    const PREFER_PHP7 = 1;
    const PREFER_PHP5 = 2;
    const ONLY_PHP7 = 3;
    const ONLY_PHP5 = 4;
    /**
     * Creates a Parser instance, according to the provided kind.
     *
     * @param int        $kind  One of ::PREFER_PHP7, ::PREFER_PHP5, ::ONLY_PHP7 or ::ONLY_PHP5
     * @param Lexer|null $lexer Lexer to use. Defaults to emulative lexer when not specified
     * @param array      $parserOptions Parser options. See ParserAbstract::__construct() argument
     *
     * @return Parser The parser instance
     */
    public function create(int $kind, ?\PhpParser\Lexer $lexer = null, array $parserOptions = []) : \PhpParser\Parser
    {
        if (null === $lexer) {
            $lexer = new \PhpParser\Lexer\Emulative();
        }
        switch ($kind) {
            case self::PREFER_PHP7:
                return new \PhpParser\Parser\Multiple([new \PhpParser\Parser\Php7($lexer, $parserOptions), new \PhpParser\Parser\Php5($lexer, $parserOptions)]);
            case self::PREFER_PHP5:
                return new \PhpParser\Parser\Multiple([new \PhpParser\Parser\Php5($lexer, $parserOptions), new \PhpParser\Parser\Php7($lexer, $parserOptions)]);
            case self::ONLY_PHP7:
                return new \PhpParser\Parser\Php7($lexer, $parserOptions);
            case self::ONLY_PHP5:
                return new \PhpParser\Parser\Php5($lexer, $parserOptions);
            default:
                throw new \LogicException('Kind must be one of ::PREFER_PHP7, ::PREFER_PHP5, ::ONLY_PHP7 or ::ONLY_PHP5');
        }
    }
    /**
     * Create a parser targeting the newest version supported by this library. Code for older
     * versions will be accepted if there have been no relevant backwards-compatibility breaks in
     * PHP.
     *
     * All supported lexer attributes (comments, startLine, endLine, startTokenPos, endTokenPos,
     * startFilePos, endFilePos) will be enabled.
     */
    public function createForNewestSupportedVersion() : \PhpParser\Parser
    {
        return new Php7(new Emulative($this->getLexerOptions()));
    }
    /**
     * Create a parser targeting the host PHP version, that is the PHP version we're currently
     * running on. This parser will not use any token emulation.
     *
     * All supported lexer attributes (comments, startLine, endLine, startTokenPos, endTokenPos,
     * startFilePos, endFilePos) will be enabled.
     */
    public function createForHostVersion() : \PhpParser\Parser
    {
        return new Php7(new \PhpParser\Lexer($this->getLexerOptions()));
    }
    private function getLexerOptions() : array
    {
        return ['usedAttributes' => ['comments', 'startLine', 'endLine', 'startTokenPos', 'endTokenPos', 'startFilePos', 'endFilePos']];
    }
}

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