45 lines
1.6 KiB
PHP
45 lines
1.6 KiB
PHP
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<?php declare(strict_types=1);
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namespace PhpParser;
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class ParserFactory
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{
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const PREFER_PHP7 = 1;
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const PREFER_PHP5 = 2;
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const ONLY_PHP7 = 3;
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const ONLY_PHP5 = 4;
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/**
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* Creates a Parser instance, according to the provided kind.
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*
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* @param int $kind One of ::PREFER_PHP7, ::PREFER_PHP5, ::ONLY_PHP7 or ::ONLY_PHP5
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* @param Lexer|null $lexer Lexer to use. Defaults to emulative lexer when not specified
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* @param array $parserOptions Parser options. See ParserAbstract::__construct() argument
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*
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* @return Parser The parser instance
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*/
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public function create(int $kind, Lexer $lexer = null, array $parserOptions = []) : Parser {
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if (null === $lexer) {
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$lexer = new Lexer\Emulative();
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}
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switch ($kind) {
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case self::PREFER_PHP7:
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return new Parser\Multiple([
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new Parser\Php7($lexer, $parserOptions), new Parser\Php5($lexer, $parserOptions)
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]);
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case self::PREFER_PHP5:
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return new Parser\Multiple([
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new Parser\Php5($lexer, $parserOptions), new Parser\Php7($lexer, $parserOptions)
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]);
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case self::ONLY_PHP7:
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return new Parser\Php7($lexer, $parserOptions);
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case self::ONLY_PHP5:
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return new Parser\Php5($lexer, $parserOptions);
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default:
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throw new \LogicException(
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'Kind must be one of ::PREFER_PHP7, ::PREFER_PHP5, ::ONLY_PHP7 or ::ONLY_PHP5'
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);
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}
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}
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}
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