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[yaffs-website] / vendor / psy / psysh / src / Psy / CodeCleaner / LegacyEmptyPass.php

diff --git a/vendor/psy/psysh/src/Psy/CodeCleaner/LegacyEmptyPass.php b/vendor/psy/psysh/src/Psy/CodeCleaner/LegacyEmptyPass.php
deleted file mode 100644 (file)
index dc5a01e..0000000
--- a/vendor/psy/psysh/src/Psy/CodeCleaner/LegacyEmptyPass.php
+++ /dev/null
@@ -1,64 +0,0 @@
-<?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\Expr\Empty_;
-use PhpParser\Node\Expr\Variable;
-use Psy\Exception\ParseErrorException;
-
-/**
- * Validate that the user did not call the language construct `empty()` on a
- * statement in PHP < 5.5.
- */
-class LegacyEmptyPass extends CodeCleanerPass
-{
-    /**
-     * Validate use of empty in PHP < 5.5.
-     *
-     * @throws ParseErrorException if the user used empty with anything but a variable
-     *
-     * @param Node $node
-     */
-    public function enterNode(Node $node)
-    {
-        if (version_compare(PHP_VERSION, '5.5', '>=')) {
-            return;
-        }
-
-        if (!$node instanceof Empty_) {
-            return;
-        }
-
-        if (!$node->expr instanceof Variable) {
-            $msg = sprintf('syntax error, unexpected %s', $this->getUnexpectedThing($node->expr));
-
-            throw new ParseErrorException($msg, $node->expr->getLine());
-        }
-    }
-
-    private function getUnexpectedThing(Node $node)
-    {
-        switch ($node->getType()) {
-            case 'Scalar_String':
-            case 'Scalar_LNumber':
-            case 'Scalar_DNumber':
-                return json_encode($node->value);
-
-            case 'Expr_ConstFetch':
-                return (string) $node->name;
-
-            default:
-                return $node->getType();
-        }
-    }
-}