EVOLUTION-NINJA
Edit File: AlternativeSyntaxAnalyzer.php
<?php declare(strict_types=1); /* * This file is part of PHP CS Fixer. * * (c) Fabien Potencier <fabien@symfony.com> * Dariusz RumiĆski <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\Analyzer; use PhpCsFixer\Tokenizer\Tokens; /** * @internal * * @TODO 4.0 remove this analyzer and move this logic into a transformer */ final class AlternativeSyntaxAnalyzer { private const ALTERNATIVE_SYNTAX_BLOCK_EDGES = [ T_IF => [T_ENDIF, T_ELSE, T_ELSEIF], T_ELSE => [T_ENDIF], T_ELSEIF => [T_ENDIF, T_ELSE, T_ELSEIF], T_FOR => [T_ENDFOR], T_FOREACH => [T_ENDFOREACH], T_WHILE => [T_ENDWHILE], T_SWITCH => [T_ENDSWITCH], ]; public function belongsToAlternativeSyntax(Tokens $tokens, int $index): bool { if (!$tokens[$index]->equals(':')) { return false; } $prevIndex = $tokens->getPrevMeaningfulToken($index); if ($tokens[$prevIndex]->isGivenKind(T_ELSE)) { return true; } if (!$tokens[$prevIndex]->equals(')')) { return false; } $openParenthesisIndex = $tokens->findBlockStart(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $prevIndex); $beforeOpenParenthesisIndex = $tokens->getPrevMeaningfulToken($openParenthesisIndex); return $tokens[$beforeOpenParenthesisIndex]->isGivenKind([ T_DECLARE, T_ELSEIF, T_FOR, T_FOREACH, T_IF, T_SWITCH, T_WHILE, ]); } public function findAlternativeSyntaxBlockEnd(Tokens $tokens, int $index): int { if (!isset($tokens[$index])) { throw new \InvalidArgumentException("There is no token at index {$index}."); } if (!$this->isStartOfAlternativeSyntaxBlock($tokens, $index)) { throw new \InvalidArgumentException("Token at index {$index} is not the start of an alternative syntax block."); } $startTokenKind = $tokens[$index]->getId(); $endTokenKinds = self::ALTERNATIVE_SYNTAX_BLOCK_EDGES[$startTokenKind]; $findKinds = [[$startTokenKind]]; foreach ($endTokenKinds as $endTokenKind) { $findKinds[] = [$endTokenKind]; } while (true) { $index = $tokens->getNextTokenOfKind($index, $findKinds); if ($tokens[$index]->isGivenKind($endTokenKinds)) { return $index; } if ($this->isStartOfAlternativeSyntaxBlock($tokens, $index)) { $index = $this->findAlternativeSyntaxBlockEnd($tokens, $index); } } } private function isStartOfAlternativeSyntaxBlock(Tokens $tokens, int $index): bool { $map = self::ALTERNATIVE_SYNTAX_BLOCK_EDGES; $startTokenKind = $tokens[$index]->getId(); if (null === $startTokenKind || !isset($map[$startTokenKind])) { return false; } $index = $tokens->getNextMeaningfulToken($index); if ($tokens[$index]->equals('(')) { $index = $tokens->getNextMeaningfulToken( $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index) ); } return $tokens[$index]->equals(':'); } }