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75 lines
2.2 KiB
75 lines
2.2 KiB
1 year ago
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<?php
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declare(strict_types=1);
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/*
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* This file is part of PHP CS Fixer.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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* Dariusz Rumiński <dariusz.ruminski@gmail.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace PhpCsFixer;
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use PhpCsFixer\Tokenizer\Analyzer\FunctionsAnalyzer;
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use PhpCsFixer\Tokenizer\Tokens;
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/**
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* @internal
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*
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* @author Vladimir Reznichenko <kalessil@gmail.com>
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*/
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abstract class AbstractFunctionReferenceFixer extends AbstractFixer
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{
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/**
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* @var null|FunctionsAnalyzer
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*/
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private $functionsAnalyzer;
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public function isCandidate(Tokens $tokens): bool
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{
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return $tokens->isTokenKindFound(T_STRING);
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}
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public function isRisky(): bool
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{
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return true;
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}
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/**
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* Looks up Tokens sequence for suitable candidates and delivers boundaries information,
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* which can be supplied by other methods in this abstract class.
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*
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* @return ?array{int, int, int} returns $functionName, $openParenthesis, $closeParenthesis packed into array
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*/
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protected function find(string $functionNameToSearch, Tokens $tokens, int $start = 0, ?int $end = null): ?array
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{
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if (null === $this->functionsAnalyzer) {
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$this->functionsAnalyzer = new FunctionsAnalyzer();
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}
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// make interface consistent with findSequence
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$end ??= $tokens->count();
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// find raw sequence which we can analyse for context
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$candidateSequence = [[T_STRING, $functionNameToSearch], '('];
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$matches = $tokens->findSequence($candidateSequence, $start, $end, false);
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if (null === $matches) {
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return null; // not found, simply return without further attempts
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}
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// translate results for humans
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[$functionName, $openParenthesis] = array_keys($matches);
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if (!$this->functionsAnalyzer->isGlobalFunctionCall($tokens, $functionName)) {
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return $this->find($functionNameToSearch, $tokens, $openParenthesis, $end);
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}
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return [$functionName, $openParenthesis, $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $openParenthesis)];
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}
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}
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