rector/rules/TypeDeclaration/NodeAnalyzer/NeverFuncCallAnalyzer.php

48 lines
1.3 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\TypeDeclaration\NodeAnalyzer;
use PhpParser\Node\Expr\Closure;
use PhpParser\Node\Stmt;
use PhpParser\Node\Stmt\ClassMethod;
use PhpParser\Node\Stmt\Expression;
use PhpParser\Node\Stmt\Function_;
use PHPStan\Type\NeverType;
use Rector\NodeTypeResolver\NodeTypeResolver;
final class NeverFuncCallAnalyzer
{
/**
* @readonly
* @var \Rector\NodeTypeResolver\NodeTypeResolver
*/
private $nodeTypeResolver;
public function __construct(NodeTypeResolver $nodeTypeResolver)
{
$this->nodeTypeResolver = $nodeTypeResolver;
}
/**
* @param \PhpParser\Node\Stmt\ClassMethod|\PhpParser\Node\Expr\Closure|\PhpParser\Node\Stmt\Function_ $functionLike
*/
public function hasNeverFuncCall($functionLike) : bool
{
foreach ((array) $functionLike->stmts as $stmt) {
if ($this->isWithNeverTypeExpr($stmt)) {
return \true;
}
}
return \false;
}
public function isWithNeverTypeExpr(Stmt $stmt) : bool
{
if ($stmt instanceof Expression) {
$stmt = $stmt->expr;
}
if ($stmt instanceof Stmt) {
return \false;
}
$stmtType = $this->nodeTypeResolver->getNativeType($stmt);
return $stmtType instanceof NeverType;
}
}