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68e1f45251
4d01db5c10
[DX] Improve direct return of Stmt arrays in Rector rules, remove NodesToAddCollector from AbstractRector (#2623)
140 lines
4.5 KiB
PHP
140 lines
4.5 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DowngradePhp72\Rector\FuncCall;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\Closure;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Expr\Variable;
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use PhpParser\Node\Stmt\Expression;
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use PHPStan\Analyser\Scope;
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use Rector\Core\Exception\ShouldNotHappenException;
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use Rector\Core\PhpParser\Parser\InlineCodeParser;
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use Rector\Core\Rector\AbstractScopeAwareRector;
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use Rector\DowngradePhp72\NodeAnalyzer\FunctionExistsFunCallAnalyzer;
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use Rector\Naming\Naming\VariableNaming;
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use Rector\PostRector\Collector\NodesToAddCollector;
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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://github.com/symfony/polyfill/commit/cc2bf55accd32b989348e2039e8c91cde46aebed
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*
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* @see \Rector\Tests\DowngradePhp72\Rector\FuncCall\DowngradeStreamIsattyRector\DowngradeStreamIsattyRectorTest
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*/
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final class DowngradeStreamIsattyRector extends AbstractScopeAwareRector
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{
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/**
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* @var \PhpParser\Node\Expr\Closure|null
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*/
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private $cachedClosure;
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/**
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* @readonly
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* @var \Rector\Core\PhpParser\Parser\InlineCodeParser
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*/
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private $inlineCodeParser;
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/**
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* @readonly
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* @var \Rector\DowngradePhp72\NodeAnalyzer\FunctionExistsFunCallAnalyzer
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*/
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private $functionExistsFunCallAnalyzer;
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/**
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* @readonly
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* @var \Rector\Naming\Naming\VariableNaming
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*/
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private $variableNaming;
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/**
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* @readonly
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* @var \Rector\PostRector\Collector\NodesToAddCollector
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*/
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private $nodesToAddCollector;
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public function __construct(InlineCodeParser $inlineCodeParser, FunctionExistsFunCallAnalyzer $functionExistsFunCallAnalyzer, VariableNaming $variableNaming, NodesToAddCollector $nodesToAddCollector)
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{
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$this->inlineCodeParser = $inlineCodeParser;
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$this->functionExistsFunCallAnalyzer = $functionExistsFunCallAnalyzer;
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$this->variableNaming = $variableNaming;
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$this->nodesToAddCollector = $nodesToAddCollector;
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}
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public function getRuleDefinition() : RuleDefinition
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{
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return new RuleDefinition('Downgrade stream_isatty() function', [new CodeSample(<<<'CODE_SAMPLE'
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class SomeClass
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{
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public function run($stream)
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{
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$isStream = stream_isatty($stream);
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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($stream)
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{
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$streamIsatty = function ($stream) {
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if (\function_exists('stream_isatty')) {
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return stream_isatty($stream);
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}
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if (!\is_resource($stream)) {
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trigger_error('stream_isatty() expects parameter 1 to be resource, '.\gettype($stream).' given', \E_USER_WARNING);
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return false;
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}
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if ('\\' === \DIRECTORY_SEPARATOR) {
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$stat = @fstat($stream);
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// Check if formatted mode is S_IFCHR
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return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
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}
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return \function_exists('posix_isatty') && @posix_isatty($stream);
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};
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$isStream = $streamIsatty($stream);
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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 [FuncCall::class];
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}
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/**
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* @param FuncCall $node
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*/
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public function refactorWithScope(Node $node, Scope $scope) : ?Node
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{
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if (!$this->isName($node, 'stream_isatty')) {
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return null;
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}
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if ($this->functionExistsFunCallAnalyzer->detect($node, 'stream_isatty')) {
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return null;
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}
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$function = $this->createClosure();
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$variable = new Variable($this->variableNaming->createCountedValueName('streamIsatty', $scope));
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$assign = new Assign($variable, $function);
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$this->nodesToAddCollector->addNodeBeforeNode($assign, $node);
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return new FuncCall($variable, $node->args);
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}
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private function createClosure() : Closure
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{
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if ($this->cachedClosure instanceof Closure) {
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return clone $this->cachedClosure;
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}
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$stmts = $this->inlineCodeParser->parse(__DIR__ . '/../../snippet/isatty_closure.php.inc');
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/** @var Expression $expression */
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$expression = $stmts[0];
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$expr = $expression->expr;
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if (!$expr instanceof Closure) {
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throw new ShouldNotHappenException();
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}
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$this->cachedClosure = $expr;
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return $expr;
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}
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}
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