+++ /dev/null
-<?php
-
-/*
- * This file is part of Psy Shell.
- *
- * (c) 2012-2017 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\Stmt\Class_;
-use PhpParser\Node\Stmt\ClassMethod;
-use PhpParser\Node\Stmt\Namespace_;
-use Psy\Exception\FatalErrorException;
-
-/**
- * Validate that the old-style constructor function is not static.
- *
- * As of PHP 5.3.3, methods with the same name as the last element of a namespaced class name
- * will no longer be treated as constructor. This change doesn't affect non-namespaced classes.
- *
- * Validation of the __construct method ensures the PHP Parser.
- *
- * @author Martin HasoĊ <martin.hason@gmail.com>
- */
-class StaticConstructorPass extends CodeCleanerPass
-{
- private $isPHP533;
- private $namespace;
-
- public function __construct()
- {
- $this->isPHP533 = version_compare(PHP_VERSION, '5.3.3', '>=');
- }
-
- public function beforeTraverse(array $nodes)
- {
- $this->namespace = array();
- }
-
- /**
- * Validate that the old-style constructor function is not static.
- *
- * @throws FatalErrorException if the old-style constructor function is static
- *
- * @param Node $node
- */
- public function enterNode(Node $node)
- {
- if ($node instanceof Namespace_) {
- $this->namespace = isset($node->name) ? $node->name->parts : array();
- } elseif ($node instanceof Class_) {
- // Bail early if this is PHP 5.3.3 and we have a namespaced class
- if (!empty($this->namespace) && $this->isPHP533) {
- return;
- }
-
- $constructor = null;
- foreach ($node->stmts as $stmt) {
- if ($stmt instanceof ClassMethod) {
- // Bail early if we find a new-style constructor
- if ('__construct' === strtolower($stmt->name)) {
- return;
- }
-
- // We found a possible old-style constructor
- // (unless there is also a __construct method)
- if (strtolower($node->name) === strtolower($stmt->name)) {
- $constructor = $stmt;
- }
- }
- }
-
- if ($constructor && $constructor->isStatic()) {
- $msg = sprintf(
- 'Constructor %s::%s() cannot be static',
- implode('\\', array_merge($this->namespace, (array) $node->name)),
- $constructor->name
- );
- throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine());
- }
- }
- }
-}