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[Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
99 lines
3.0 KiB
PHP
99 lines
3.0 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DeadCode\Rector\Switch_;
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use PhpParser\Node;
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use PhpParser\Node\Stmt\Break_;
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use PhpParser\Node\Stmt\Case_;
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use PhpParser\Node\Stmt\Return_;
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use PhpParser\Node\Stmt\Switch_;
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use Rector\Core\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @see \Rector\Tests\DeadCode\Rector\Switch_\RemoveDuplicatedCaseInSwitchRector\RemoveDuplicatedCaseInSwitchRectorTest
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*/
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final class RemoveDuplicatedCaseInSwitchRector extends \Rector\Core\Rector\AbstractRector
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{
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public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
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{
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return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('2 following switch keys with identical will be reduced to one result', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run()
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{
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switch ($name) {
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case 'clearHeader':
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return $this->modifyHeader($node, 'remove');
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case 'clearAllHeaders':
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return $this->modifyHeader($node, 'replace');
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case 'clearRawHeaders':
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return $this->modifyHeader($node, 'replace');
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case '...':
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return 5;
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}
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}
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}
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run()
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{
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switch ($name) {
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case 'clearHeader':
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return $this->modifyHeader($node, 'remove');
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case 'clearAllHeaders':
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case 'clearRawHeaders':
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return $this->modifyHeader($node, 'replace');
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case '...':
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return 5;
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}
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}
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}
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [\PhpParser\Node\Stmt\Switch_::class];
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}
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/**
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* @param Switch_ $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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if (\count($node->cases) < 2) {
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return null;
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}
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/** @var Case_|null $previousCase */
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$previousCase = null;
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foreach ($node->cases as $case) {
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if ($previousCase && $this->areSwitchStmtsEqualsAndWithBreak($case, $previousCase)) {
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$previousCase->stmts = [];
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}
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$previousCase = $case;
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}
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return $node;
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}
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private function areSwitchStmtsEqualsAndWithBreak(\PhpParser\Node\Stmt\Case_ $currentCase, \PhpParser\Node\Stmt\Case_ $previousCase) : bool
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{
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if (!$this->nodeComparator->areNodesEqual($currentCase->stmts, $previousCase->stmts)) {
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return \false;
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}
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foreach ($currentCase->stmts as $stmt) {
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if ($stmt instanceof \PhpParser\Node\Stmt\Break_) {
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return \true;
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}
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if ($stmt instanceof \PhpParser\Node\Stmt\Return_) {
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return \true;
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}
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}
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return \false;
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}
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}
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