mirror of https://github.com/rectorphp/rector.git
57 lines
1.9 KiB
PHP
57 lines
1.9 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\DeadCode\NodeAnalyzer;
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use PhpParser\Node;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\NullsafePropertyFetch;
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use PhpParser\Node\Expr\PropertyFetch;
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use PhpParser\Node\Expr\StaticPropertyFetch;
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use PhpParser\Node\Stmt\Class_;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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use Rector\PhpParser\Node\BetterNodeFinder;
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final class PropertyWriteonlyAnalyzer
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{
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/**
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* @readonly
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* @var \Rector\PhpParser\Node\BetterNodeFinder
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*/
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private $betterNodeFinder;
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public function __construct(BetterNodeFinder $betterNodeFinder)
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{
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$this->betterNodeFinder = $betterNodeFinder;
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}
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public function hasClassDynamicPropertyNames(Class_ $class) : bool
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{
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return (bool) $this->betterNodeFinder->findFirst($class, static function (Node $node) : bool {
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if (!$node instanceof PropertyFetch && !$node instanceof NullsafePropertyFetch) {
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return \false;
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}
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// has dynamic name - could be anything
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return $node->name instanceof Expr;
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});
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}
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/**
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* The property fetches are always only assigned to, nothing else
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*
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* @param array<PropertyFetch|StaticPropertyFetch|NullsafePropertyFetch> $propertyFetches
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*/
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public function arePropertyFetchesExclusivelyBeingAssignedTo(array $propertyFetches) : bool
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{
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foreach ($propertyFetches as $propertyFetch) {
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if ((bool) $propertyFetch->getAttribute(AttributeKey::IS_MULTI_ASSIGN, \false)) {
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return \false;
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}
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if ((bool) $propertyFetch->getAttribute(AttributeKey::IS_ASSIGNED_TO, \false)) {
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return \false;
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}
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if ((bool) $propertyFetch->getAttribute(AttributeKey::IS_BEING_ASSIGNED, \false)) {
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continue;
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}
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return \false;
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}
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return \true;
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}
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}
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