Current File : //home2/vacivi36/code/vendor/rector/rector/packages/NodeRemoval/NodeRemover.php
<?php
declare (strict_types=1);
namespace Rector\NodeRemoval;
use PhpParser\Node;
use PhpParser\Node\Expr\Closure;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Param;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\ClassMethod;
use PhpParser\Node\Stmt\Function_;
use Rector\ChangesReporting\Collector\RectorChangeCollector;
use Rector\Core\Exception\ShouldNotHappenException;
use Rector\NodeTypeResolver\Node\AttributeKey;
use Rector\PostRector\Collector\NodesToRemoveCollector;
final class NodeRemover
{
/**
* @readonly
* @var \Rector\PostRector\Collector\NodesToRemoveCollector
*/
private $nodesToRemoveCollector;
/**
* @readonly
* @var \Rector\ChangesReporting\Collector\RectorChangeCollector
*/
private $rectorChangeCollector;
public function __construct(NodesToRemoveCollector $nodesToRemoveCollector, RectorChangeCollector $rectorChangeCollector)
{
$this->nodesToRemoveCollector = $nodesToRemoveCollector;
$this->rectorChangeCollector = $rectorChangeCollector;
}
public function removeNode(Node $node) : void
{
// this make sure to keep just added nodes, e.g. added class constant, that doesn't have analysis of full code in this run
// if this is missing, there are false positive e.g. for unused private constant
$isJustAddedNode = !(bool) $node->getAttribute(AttributeKey::ORIGINAL_NODE);
if ($isJustAddedNode) {
return;
}
$this->nodesToRemoveCollector->addNodeToRemove($node);
$this->rectorChangeCollector->notifyNodeFileInfo($node);
}
/**
* @param \PhpParser\Node\Stmt\Class_|\PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_ $nodeWithStatements
*/
public function removeNodeFromStatements($nodeWithStatements, Node $toBeRemovedNode) : void
{
foreach ((array) $nodeWithStatements->stmts as $key => $stmt) {
if ($toBeRemovedNode !== $stmt) {
continue;
}
unset($nodeWithStatements->stmts[$key]);
break;
}
}
/**
* @param Node[] $nodes
*/
public function removeNodes(array $nodes) : void
{
foreach ($nodes as $node) {
$this->removeNode($node);
}
}
/**
* @param \PhpParser\Node\Expr\Closure|\PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Stmt\Function_ $functionLike
*/
public function removeStmt($functionLike, int $key) : void
{
if ($functionLike->stmts === null) {
throw new ShouldNotHappenException();
}
// notify about remove node
$this->rectorChangeCollector->notifyNodeFileInfo($functionLike->stmts[$key]);
unset($functionLike->stmts[$key]);
}
/**
* @param int|\PhpParser\Node\Param $keyOrParam
*/
public function removeParam(ClassMethod $classMethod, $keyOrParam) : void
{
$key = $keyOrParam instanceof Param ? $keyOrParam->getAttribute(AttributeKey::PARAMETER_POSITION) : $keyOrParam;
if ($classMethod->params === null) {
throw new ShouldNotHappenException();
}
// already removed
if (!isset($classMethod->params[$key])) {
return;
}
// notify about remove node
$this->rectorChangeCollector->notifyNodeFileInfo($classMethod->params[$key]);
unset($classMethod->params[$key]);
}
/**
* @param \PhpParser\Node\Expr\FuncCall|\PhpParser\Node\Expr\MethodCall|\PhpParser\Node\Expr\StaticCall $node
*/
public function removeArg($node, int $key) : void
{
if ($node->getArgs() === []) {
throw new ShouldNotHappenException();
}
// already removed
if (!isset($node->args[$key])) {
return;
}
// notify about remove node
$this->rectorChangeCollector->notifyNodeFileInfo($node->args[$key]);
unset($node->args[$key]);
}
}
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