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AbstractTypeTransformer.php
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AbstractTypeTransformer.php
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<?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;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* @internal
*/
abstract class AbstractTypeTransformer extends AbstractTransformer
{
protected function doProcess(Tokens $tokens, int $index, $originalToken): void
{
if (!$tokens[$index]->equals($originalToken)) {
return;
}
$prevIndex = $tokens->getTokenNotOfKindsSibling($index, -1, [T_CALLABLE, T_NS_SEPARATOR, T_STRING, CT::T_ARRAY_TYPEHINT, T_WHITESPACE, T_COMMENT, T_DOC_COMMENT]);
/** @var Token $prevToken */
$prevToken = $tokens[$prevIndex];
if ($prevToken->isGivenKind([
CT::T_TYPE_COLON, // `:` is part of a function return type `foo(): X|Y`
CT::T_TYPE_ALTERNATION, // `|` is part of a union (chain) `X|Y`
CT::T_TYPE_INTERSECTION,
T_STATIC, T_VAR, T_PUBLIC, T_PROTECTED, T_PRIVATE, // `var X|Y $a;`, `private X|Y $a` or `public static X|Y $a`
CT::T_CONSTRUCTOR_PROPERTY_PROMOTION_PRIVATE, CT::T_CONSTRUCTOR_PROPERTY_PROMOTION_PROTECTED, CT::T_CONSTRUCTOR_PROPERTY_PROMOTION_PUBLIC, // promoted properties
])) {
$this->replaceToken($tokens, $index);
return;
}
if (\defined('T_READONLY') && $prevToken->isGivenKind(T_READONLY)) { // @TODO: drop condition when PHP 8.1+ is required
$this->replaceToken($tokens, $index);
return;
}
if (!$prevToken->equalsAny(['(', ','])) {
return;
}
$prevPrevTokenIndex = $tokens->getPrevMeaningfulToken($prevIndex);
if ($tokens[$prevPrevTokenIndex]->isGivenKind(T_CATCH)) {
$this->replaceToken($tokens, $index);
return;
}
$functionKinds = [[T_FUNCTION]];
if (\defined('T_FN')) {
$functionKinds[] = [T_FN];
}
$functionIndex = $tokens->getPrevTokenOfKind($prevIndex, $functionKinds);
if (null === $functionIndex) {
return;
}
$braceOpenIndex = $tokens->getNextTokenOfKind($functionIndex, ['(']);
$braceCloseIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $braceOpenIndex);
if ($braceCloseIndex < $index) {
return;
}
$this->replaceToken($tokens, $index);
}
abstract protected function replaceToken(Tokens $tokens, int $index): void;
}