%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare (strict_types=1);
namespace Rector\Core\NodeManipulator;
use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\ArrayDimFetch;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\List_;
use PhpParser\Node\Expr\PostDec;
use PhpParser\Node\Expr\PostInc;
use PhpParser\Node\Expr\PreDec;
use PhpParser\Node\Expr\PreInc;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\StaticPropertyFetch;
use PhpParser\Node\FunctionLike;
use PhpParser\Node\Stmt\Expression;
use Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer;
use Rector\Core\PhpParser\Comparing\NodeComparator;
use Rector\Core\PhpParser\Node\BetterNodeFinder;
use Rector\Core\Util\MultiInstanceofChecker;
use Rector\NodeNameResolver\NodeNameResolver;
use Rector\NodeTypeResolver\Node\AttributeKey;
final class AssignManipulator
{
/**
* @var array<class-string<Expr>>
*/
private const MODIFYING_NODE_TYPES = [AssignOp::class, PreDec::class, PostDec::class, PreInc::class, PostInc::class];
/**
* @readonly
* @var \Rector\NodeNameResolver\NodeNameResolver
*/
private $nodeNameResolver;
/**
* @readonly
* @var \Rector\Core\PhpParser\Comparing\NodeComparator
*/
private $nodeComparator;
/**
* @readonly
* @var \Rector\Core\PhpParser\Node\BetterNodeFinder
*/
private $betterNodeFinder;
/**
* @readonly
* @var \Rector\Core\NodeAnalyzer\PropertyFetchAnalyzer
*/
private $propertyFetchAnalyzer;
/**
* @readonly
* @var \Rector\Core\Util\MultiInstanceofChecker
*/
private $multiInstanceofChecker;
public function __construct(NodeNameResolver $nodeNameResolver, NodeComparator $nodeComparator, BetterNodeFinder $betterNodeFinder, PropertyFetchAnalyzer $propertyFetchAnalyzer, MultiInstanceofChecker $multiInstanceofChecker)
{
$this->nodeNameResolver = $nodeNameResolver;
$this->nodeComparator = $nodeComparator;
$this->betterNodeFinder = $betterNodeFinder;
$this->propertyFetchAnalyzer = $propertyFetchAnalyzer;
$this->multiInstanceofChecker = $multiInstanceofChecker;
}
/**
* Matches:
* each() = [1, 2];
*/
public function isListToEachAssign(Assign $assign) : bool
{
if (!$assign->expr instanceof FuncCall) {
return \false;
}
if (!$assign->var instanceof List_) {
return \false;
}
return $this->nodeNameResolver->isName($assign->expr, 'each');
}
public function isLeftPartOfAssign(Node $node) : bool
{
$parentNode = $node->getAttribute(AttributeKey::PARENT_NODE);
if ($parentNode instanceof Assign && $this->nodeComparator->areNodesEqual($parentNode->var, $node)) {
return \true;
}
if ($parentNode !== null && $this->multiInstanceofChecker->isInstanceOf($parentNode, self::MODIFYING_NODE_TYPES)) {
return \true;
}
// traverse up to array dim fetches
if ($parentNode instanceof ArrayDimFetch) {
$previousParent = $parentNode;
while ($parentNode instanceof ArrayDimFetch) {
$previousParent = $parentNode;
$parentNode = $parentNode->getAttribute(AttributeKey::PARENT_NODE);
}
if ($parentNode instanceof Assign) {
return $parentNode->var === $previousParent;
}
}
return \false;
}
public function isNodePartOfAssign(Node $node) : bool
{
$previousNode = $node;
$parentNode = $node->getAttribute(AttributeKey::PARENT_NODE);
while ($parentNode instanceof Node && !$parentNode instanceof Expression) {
if ($parentNode instanceof Assign && $this->nodeComparator->areNodesEqual($parentNode->var, $previousNode)) {
return \true;
}
$previousNode = $parentNode;
$parentNode = $parentNode->getAttribute(AttributeKey::PARENT_NODE);
}
return \false;
}
/**
* @return array<PropertyFetch|StaticPropertyFetch>
*/
public function resolveAssignsToLocalPropertyFetches(FunctionLike $functionLike) : array
{
return $this->betterNodeFinder->find((array) $functionLike->getStmts(), function (Node $node) : bool {
if (!$this->propertyFetchAnalyzer->isLocalPropertyFetch($node)) {
return \false;
}
return $this->isLeftPartOfAssign($node);
});
}
}
Zerion Mini Shell 1.0