<?php declare(strict_types=1);
namespace PhpParser;
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, Lexer $lexer = null, array $parserOptions = []) : Parser {
if (null === $lexer) {
$lexer = new Lexer\Emulative();
}
switch ($kind) {
case self::PREFER_PHP7:
return new Parser\Multiple([
new Parser\Php7($lexer, $parserOptions), new Parser\Php5($lexer, $parserOptions)
]);
case self::PREFER_PHP5:
return new Parser\Multiple([
new Parser\Php5($lexer, $parserOptions), new Parser\Php7($lexer, $parserOptions)
]);
case self::ONLY_PHP7:
return new Parser\Php7($lexer, $parserOptions);
case self::ONLY_PHP5:
return new Parser\Php5($lexer, $parserOptions);
default:
throw new \LogicException(
'Kind must be one of ::PREFER_PHP7, ::PREFER_PHP5, ::ONLY_PHP7 or ::ONLY_PHP5'
);
}
}
}