Current File : //home2/vacivi36/code/vendor/friendsofphp/php-cs-fixer/src/Tokenizer/Transformer/UseTransformer.php
<?php
declare(strict_types=1);
/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier <fabien@symfony.com>
* Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace PhpCsFixer\Tokenizer\Transformer;
use PhpCsFixer\Tokenizer\AbstractTransformer;
use PhpCsFixer\Tokenizer\CT;
use PhpCsFixer\Tokenizer\Token;
use PhpCsFixer\Tokenizer\Tokens;
/**
* Transform T_USE into:
* - CT::T_USE_TRAIT for imports,
* - CT::T_USE_LAMBDA for lambda variable uses.
*
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* @internal
*/
final class UseTransformer extends AbstractTransformer
{
/**
* {@inheritdoc}
*/
public function getPriority(): int
{
// Should run after CurlyBraceTransformer and before TypeColonTransformer
return -5;
}
/**
* {@inheritdoc}
*/
public function getRequiredPhpVersionId(): int
{
return 50300;
}
/**
* {@inheritdoc}
*/
public function process(Tokens $tokens, Token $token, int $index): void
{
if ($token->isGivenKind(T_USE) && $this->isUseForLambda($tokens, $index)) {
$tokens[$index] = new Token([CT::T_USE_LAMBDA, $token->getContent()]);
return;
}
// Only search inside class/trait body for `T_USE` for traits.
// Cannot import traits inside interfaces or anywhere else
$classTypes = [T_TRAIT];
if (\defined('T_ENUM')) { // @TODO: drop condition when PHP 8.1+ is required
$classTypes[] = T_ENUM;
}
if ($token->isGivenKind(T_CLASS)) {
if ($tokens[$tokens->getPrevMeaningfulToken($index)]->isGivenKind(T_DOUBLE_COLON)) {
return;
}
} elseif (!$token->isGivenKind($classTypes)) {
return;
}
$index = $tokens->getNextTokenOfKind($index, ['{']);
$innerLimit = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $index);
while ($index < $innerLimit) {
$token = $tokens[++$index];
if (!$token->isGivenKind(T_USE)) {
continue;
}
if ($this->isUseForLambda($tokens, $index)) {
$tokens[$index] = new Token([CT::T_USE_LAMBDA, $token->getContent()]);
} else {
$tokens[$index] = new Token([CT::T_USE_TRAIT, $token->getContent()]);
}
}
}
/**
* {@inheritdoc}
*/
public function getCustomTokens(): array
{
return [CT::T_USE_TRAIT, CT::T_USE_LAMBDA];
}
/**
* Check if token under given index is `use` statement for lambda function.
*/
private function isUseForLambda(Tokens $tokens, int $index): bool
{
$nextToken = $tokens[$tokens->getNextMeaningfulToken($index)];
// test `function () use ($foo) {}` case
return $nextToken->equals('(');
}
}
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