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[Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
100 lines
3.2 KiB
PHP
100 lines
3.2 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\Php80\Rector\Ternary;
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use PhpParser\Node;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Expr\Ternary;
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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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* @changelog https://wiki.php.net/rfc/get_debug_type
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*
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* @see \Rector\Tests\Php80\Rector\Ternary\GetDebugTypeRector\GetDebugTypeRectorTest
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*/
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final class GetDebugTypeRector 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('Change ternary type resolve to get_debug_type()', [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($value)
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{
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return is_object($value) ? get_class($value) : gettype($value);
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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($value)
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{
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return get_debug_type($value);
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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\Expr\Ternary::class];
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}
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/**
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* @param Ternary $node
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*/
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public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
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{
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if ($this->shouldSkip($node)) {
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return null;
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}
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if (!$this->areValuesIdentical($node)) {
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return null;
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}
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/** @var FuncCall $funcCall */
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$funcCall = $node->if;
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$firstExpr = $funcCall->args[0]->value;
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return $this->nodeFactory->createFuncCall('get_debug_type', [$firstExpr]);
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}
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private function shouldSkip(\PhpParser\Node\Expr\Ternary $ternary) : bool
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{
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if (!$ternary->cond instanceof \PhpParser\Node\Expr\FuncCall) {
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return \true;
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}
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if (!$this->nodeNameResolver->isName($ternary->cond, 'is_object')) {
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return \true;
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}
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if (!$ternary->if instanceof \PhpParser\Node\Expr\FuncCall) {
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return \true;
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}
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if (!$this->nodeNameResolver->isName($ternary->if, 'get_class')) {
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return \true;
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}
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if (!$ternary->else instanceof \PhpParser\Node\Expr\FuncCall) {
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return \true;
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}
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return !$this->nodeNameResolver->isName($ternary->else, 'gettype');
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}
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private function areValuesIdentical(\PhpParser\Node\Expr\Ternary $ternary) : bool
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{
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/** @var FuncCall $isObjectFuncCall */
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$isObjectFuncCall = $ternary->cond;
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$firstExpr = $isObjectFuncCall->args[0]->value;
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/** @var FuncCall $getClassFuncCall */
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$getClassFuncCall = $ternary->if;
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$secondExpr = $getClassFuncCall->args[0]->value;
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/** @var FuncCall $gettypeFuncCall */
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$gettypeFuncCall = $ternary->else;
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$thirdExpr = $gettypeFuncCall->args[0]->value;
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if (!$this->nodeComparator->areNodesEqual($firstExpr, $secondExpr)) {
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return \false;
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}
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return $this->nodeComparator->areNodesEqual($firstExpr, $thirdExpr);
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}
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}
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