mirror of https://github.com/rectorphp/rector.git
91 lines
2.8 KiB
PHP
91 lines
2.8 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\NodeManipulator;
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use PhpParser\Node;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\ErrorSuppress;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Expr\List_;
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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\FunctionLike;
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use Rector\NodeAnalyzer\PropertyFetchAnalyzer;
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use Rector\NodeNameResolver\NodeNameResolver;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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use Rector\Php72\ValueObject\ListAndEach;
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use Rector\PhpParser\Node\BetterNodeFinder;
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final class AssignManipulator
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{
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/**
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* @readonly
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* @var \Rector\NodeNameResolver\NodeNameResolver
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*/
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private $nodeNameResolver;
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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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/**
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* @readonly
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* @var \Rector\NodeAnalyzer\PropertyFetchAnalyzer
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*/
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private $propertyFetchAnalyzer;
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public function __construct(NodeNameResolver $nodeNameResolver, BetterNodeFinder $betterNodeFinder, PropertyFetchAnalyzer $propertyFetchAnalyzer)
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{
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$this->nodeNameResolver = $nodeNameResolver;
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$this->betterNodeFinder = $betterNodeFinder;
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$this->propertyFetchAnalyzer = $propertyFetchAnalyzer;
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}
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/**
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* Matches:
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* list([1, 2]) = each($items)
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*/
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public function matchListAndEach(Assign $assign) : ?ListAndEach
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{
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// could be behind error suppress
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if ($assign->expr instanceof ErrorSuppress) {
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$errorSuppress = $assign->expr;
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$bareExpr = $errorSuppress->expr;
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} else {
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$bareExpr = $assign->expr;
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}
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if (!$bareExpr instanceof FuncCall) {
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return null;
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}
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if (!$assign->var instanceof List_) {
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return null;
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}
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if (!$this->nodeNameResolver->isName($bareExpr, 'each')) {
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return null;
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}
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// no placeholders
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if ($bareExpr->isFirstClassCallable()) {
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return null;
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}
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return new ListAndEach($assign->var, $bareExpr);
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}
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public function isLeftPartOfAssign(Node $node) : bool
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{
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if ($node->getAttribute(AttributeKey::IS_BEING_ASSIGNED) === \true) {
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return \true;
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}
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return $node->getAttribute(AttributeKey::IS_ASSIGNED_TO) === \true;
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}
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/**
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* @api doctrine
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* @return array<PropertyFetch|StaticPropertyFetch>
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*/
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public function resolveAssignsToLocalPropertyFetches(FunctionLike $functionLike) : array
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{
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return $this->betterNodeFinder->find((array) $functionLike->getStmts(), function (Node $node) : bool {
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if (!$this->propertyFetchAnalyzer->isLocalPropertyFetch($node)) {
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return \false;
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}
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return $this->isLeftPartOfAssign($node);
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});
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}
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}
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