%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare (strict_types=1);
namespace Rector\Core\NodeManipulator;
use PhpParser\Node;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\Variable;
use PhpParser\Node\Stmt\ClassLike;
use PhpParser\Node\Stmt\ClassMethod;
use PhpParser\Node\Stmt\Property;
use PhpParser\NodeTraverser;
use Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer;
use Rector\Core\PhpParser\Node\BetterNodeFinder;
use Rector\Core\ValueObject\MethodName;
use Rector\NodeNameResolver\NodeNameResolver;
use Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser;
final class PropertyFetchAssignManipulator
{
/**
* @readonly
* @var \Rector\PhpDocParser\NodeTraverser\SimpleCallableNodeTraverser
*/
private $simpleCallableNodeTraverser;
/**
* @readonly
* @var \Rector\NodeNameResolver\NodeNameResolver
*/
private $nodeNameResolver;
/**
* @readonly
* @var \Rector\Core\PhpParser\Node\BetterNodeFinder
*/
private $betterNodeFinder;
/**
* @readonly
* @var \Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer
*/
private $propertyFetchAnalyzer;
public function __construct(SimpleCallableNodeTraverser $simpleCallableNodeTraverser, NodeNameResolver $nodeNameResolver, BetterNodeFinder $betterNodeFinder, PropertyFetchAnalyzer $propertyFetchAnalyzer)
{
$this->simpleCallableNodeTraverser = $simpleCallableNodeTraverser;
$this->nodeNameResolver = $nodeNameResolver;
$this->betterNodeFinder = $betterNodeFinder;
$this->propertyFetchAnalyzer = $propertyFetchAnalyzer;
}
public function isAssignedMultipleTimesInConstructor(Property $property) : bool
{
$classLike = $this->betterNodeFinder->findParentType($property, ClassLike::class);
if (!$classLike instanceof ClassLike) {
return \false;
}
$classMethod = $classLike->getMethod(MethodName::CONSTRUCT);
if (!$classMethod instanceof ClassMethod) {
return \false;
}
$count = 0;
$propertyName = $this->nodeNameResolver->getName($property);
$this->simpleCallableNodeTraverser->traverseNodesWithCallable((array) $classMethod->getStmts(), function (Node $node) use($propertyName, $classLike, &$count) : ?int {
if (!$node instanceof Assign) {
return null;
}
if (!$this->propertyFetchAnalyzer->isLocalPropertyFetchName($node->var, $propertyName)) {
return null;
}
$parentClassLike = $this->betterNodeFinder->findParentType($node, ClassLike::class);
if ($parentClassLike !== $classLike) {
return null;
}
++$count;
if ($count === 2) {
return NodeTraverser::STOP_TRAVERSAL;
}
return null;
});
return $count === 2;
}
/**
* @return string[]
*/
public function getPropertyNamesOfAssignOfVariable(ClassMethod $classMethod, string $paramName) : array
{
$propertyNames = [];
$this->simpleCallableNodeTraverser->traverseNodesWithCallable($classMethod, function (Node $node) use($paramName, &$propertyNames) {
if (!$node instanceof Assign) {
return null;
}
if (!$this->isVariableAssignToThisPropertyFetch($node, $paramName)) {
return null;
}
/** @var Assign $node */
$propertyName = $this->nodeNameResolver->getName($node->expr);
if (\is_string($propertyName)) {
$propertyNames[] = $propertyName;
}
return null;
});
return $propertyNames;
}
/**
* Matches:
* "$this->someValue = $<variableName>;"
*/
private function isVariableAssignToThisPropertyFetch(Assign $assign, string $variableName) : bool
{
if (!$assign->expr instanceof Variable) {
return \false;
}
if (!$this->nodeNameResolver->isName($assign->expr, $variableName)) {
return \false;
}
if (!$assign->var instanceof PropertyFetch) {
return \false;
}
$propertyFetch = $assign->var;
// must be local property
return $this->nodeNameResolver->isName($propertyFetch->var, 'this');
}
}
Zerion Mini Shell 1.0