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Name	Size	Permission	Date
AbstractClassPass.php	2.15 KB	-rw-r--r--	2020-11-17 16:24
AssignThisVariablePass.php	1.01 KB	-rw-r--r--	2020-11-17 16:24
CallTimePassByReferencePass.php	1.36 KB	-rw-r--r--	2020-11-17 16:24
CalledClassPass.php	2.33 KB	-rw-r--r--	2020-11-17 16:24
CodeCleanerPass.php	415 B	-rw-r--r--	2020-11-17 16:24
EmptyArrayDimFetchPass.php	1.25 KB	-rw-r--r--	2020-11-17 16:24
ExitPass.php	773 B	-rw-r--r--	2020-11-17 16:24
FinalClassPass.php	1.63 KB	-rw-r--r--	2020-11-17 16:24
FunctionContextPass.php	1.31 KB	-rw-r--r--	2020-11-17 16:24
FunctionReturnInWriteContextPass.php	2.44 KB	-rw-r--r--	2020-11-17 16:24
ImplicitReturnPass.php	4.14 KB	-rw-r--r--	2020-11-17 16:24
InstanceOfPass.php	1.57 KB	-rw-r--r--	2020-11-17 16:24
LabelContextPass.php	2.3 KB	-rw-r--r--	2020-11-17 16:24
LeavePsyshAlonePass.php	913 B	-rw-r--r--	2020-11-17 16:24
ListPass.php	3.21 KB	-rw-r--r--	2020-11-17 16:24
LoopContextPass.php	3.39 KB	-rw-r--r--	2020-11-17 16:24
MagicConstantsPass.php	1.04 KB	-rw-r--r--	2020-11-17 16:24
NamespaceAwarePass.php	1.81 KB	-rw-r--r--	2020-11-17 16:24
NamespacePass.php	2.36 KB	-rw-r--r--	2020-11-17 16:24
NoReturnValue.php	870 B	-rw-r--r--	2020-11-17 16:24
PassableByReferencePass.php	3.93 KB	-rw-r--r--	2020-11-17 16:24
RequirePass.php	2.96 KB	-rw-r--r--	2020-11-17 16:24
ReturnTypePass.php	3.38 KB	-rw-r--r--	2020-11-17 16:24
StrictTypesPass.php	2.64 KB	-rw-r--r--	2020-11-17 16:24
UseStatementPass.php	4.25 KB	-rw-r--r--	2020-11-17 16:24
ValidClassNamePass.php	11.89 KB	-rw-r--r--	2020-11-17 16:24
ValidConstantPass.php	3.13 KB	-rw-r--r--	2020-11-17 16:24
ValidConstructorPass.php	3.79 KB	-rw-r--r--	2020-11-17 16:24
ValidFunctionNamePass.php	3.16 KB	-rw-r--r--	2020-11-17 16:24

Rename

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2020 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\CodeCleaner;

use PhpParser\Node;
use PhpParser\Node\Expr\ConstFetch;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\Trait_;
use Psy\Exception\ErrorException;

/**
 * The called class pass throws warnings for get_class() and get_called_class()
 * outside a class context.
 */
class CalledClassPass extends CodeCleanerPass
{
    private $inClass;

/**
     * @param array $nodes
     */
    public function beforeTraverse(array $nodes)
    {
        $this->inClass = false;
    }

/**
     * @throws ErrorException if get_class or get_called_class is called without an object from outside a class
     *
     * @param Node $node
     */
    public function enterNode(Node $node)
    {
        if ($node instanceof Class_ || $node instanceof Trait_) {
            $this->inClass = true;
        } elseif ($node instanceof FuncCall && !$this->inClass) {
            // We'll give any args at all (besides null) a pass.
            // Technically we should be checking whether the args are objects, but this will do for now.
            //
            // @todo switch this to actually validate args when we get context-aware code cleaner passes.
            if (!empty($node->args) && !$this->isNull($node->args[0])) {
                return;
            }

// We'll ignore name expressions as well (things like `$foo()`)
            if (!($node->name instanceof Name)) {
                return;
            }

$name = \strtolower($node->name);
            if (\in_array($name, ['get_class', 'get_called_class'])) {
                $msg = \sprintf('%s() called without object from outside a class', $name);
                throw new ErrorException($msg, 0, E_USER_WARNING, null, $node->getLine());
            }
        }
    }

/**
     * @param Node $node
     */
    public function leaveNode(Node $node)
    {
        if ($node instanceof Class_) {
            $this->inClass = false;
        }
    }

private function isNull(Node $node)
    {
        return $node->value instanceof ConstFetch && \strtolower($node->value->name) === 'null';
    }
}