43 lines
1.4 KiB
PHP
43 lines
1.4 KiB
PHP
<?php declare(strict_types=1);
|
|
|
|
namespace PhpParser;
|
|
|
|
use PhpParser\Parser\Php7;
|
|
use PhpParser\Parser\Php8;
|
|
|
|
class ParserFactory {
|
|
/**
|
|
* Create a parser targeting the given version on a best-effort basis. The parser will generally
|
|
* accept code for the newest supported version, but will try to accommodate code that becomes
|
|
* invalid in newer versions or changes in interpretation.
|
|
*/
|
|
public function createForVersion(PhpVersion $version): Parser {
|
|
if ($version->isHostVersion()) {
|
|
$lexer = new Lexer();
|
|
} else {
|
|
$lexer = new Lexer\Emulative($version);
|
|
}
|
|
if ($version->id >= 80000) {
|
|
return new Php8($lexer, $version);
|
|
}
|
|
return new Php7($lexer, $version);
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
public function createForNewestSupportedVersion(): Parser {
|
|
return $this->createForVersion(PhpVersion::getNewestSupported());
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
public function createForHostVersion(): Parser {
|
|
return $this->createForVersion(PhpVersion::getHostVersion());
|
|
}
|
|
}
|