Gecko [ unitednationsplay.com ]

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\FunctionLike;
use PhpParser\Node\Stmt\Goto_;
use PhpParser\Node\Stmt\Label;
use Psy\Exception\FatalErrorException;

/**
 * CodeCleanerPass for label context.
 *
 * This class partially emulates the PHP label specification.
 * PsySH can not declare labels by sequentially executing lines with eval,
 * but since it is not a syntax error, no error is raised.
 * This class warns before invalid goto causes a fatal error.
 * Since this is a simple checker, it does not block real fatal error
 * with complex syntax.  (ex. it does not parse inside function.)
 *
 * @see http://php.net/goto
 */
class LabelContextPass extends CodeCleanerPass
{
    /** @var int */
    private $functionDepth;

/** @var array */
    private $labelDeclarations;
    /** @var array */
    private $labelGotos;

/**
     * @param array $nodes
     */
    public function beforeTraverse(array $nodes)
    {
        $this->functionDepth = 0;
        $this->labelDeclarations = [];
        $this->labelGotos = [];
    }

public function enterNode(Node $node)
    {
        if ($node instanceof FunctionLike) {
            $this->functionDepth++;

return;
        }

// node is inside function context
        if ($this->functionDepth !== 0) {
            return;
        }

if ($node instanceof Goto_) {
            $this->labelGotos[\strtolower($node->name)] = $node->getLine();
        } elseif ($node instanceof Label) {
            $this->labelDeclarations[\strtolower($node->name)] = $node->getLine();
        }
    }

/**
     * @param \PhpParser\Node $node
     */
    public function leaveNode(Node $node)
    {
        if ($node instanceof FunctionLike) {
            $this->functionDepth--;
        }
    }

public function afterTraverse(array $nodes)
    {
        foreach ($this->labelGotos as $name => $line) {
            if (!isset($this->labelDeclarations[$name])) {
                $msg = "'goto' to undefined label '{$name}'";
                throw new FatalErrorException($msg, 0, E_ERROR, null, $line);
            }
        }
    }
}