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

diff --git a/vendor/psy/psysh/src/Psy/CodeCleaner/LoopContextPass.php b/vendor/psy/psysh/src/Psy/CodeCleaner/LoopContextPass.php
deleted file mode 100644 (file)
index e8f65bb..0000000
--- a/vendor/psy/psysh/src/Psy/CodeCleaner/LoopContextPass.php
+++ /dev/null
@@ -1,109 +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\Scalar\DNumber;
-use PhpParser\Node\Scalar\LNumber;
-use PhpParser\Node\Stmt\Break_;
-use PhpParser\Node\Stmt\Continue_;
-use PhpParser\Node\Stmt\Do_;
-use PhpParser\Node\Stmt\For_;
-use PhpParser\Node\Stmt\Foreach_;
-use PhpParser\Node\Stmt\Switch_;
-use PhpParser\Node\Stmt\While_;
-use Psy\Exception\FatalErrorException;
-
-/**
- * The loop context pass handles invalid `break` and `continue` statements.
- */
-class LoopContextPass extends CodeCleanerPass
-{
-    private $isPHP54;
-    private $loopDepth;
-
-    public function __construct()
-    {
-        $this->isPHP54 = version_compare(PHP_VERSION, '5.4.0', '>=');
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function beforeTraverse(array $nodes)
-    {
-        $this->loopDepth = 0;
-    }
-
-    /**
-     * @throws FatalErrorException if the node is a break or continue in a non-loop or switch context
-     * @throws FatalErrorException if the node is trying to break out of more nested structures than exist
-     * @throws FatalErrorException if the node is a break or continue and has a non-numeric argument
-     * @throws FatalErrorException if the node is a break or continue and has an argument less than 1
-     *
-     * @param Node $node
-     */
-    public function enterNode(Node $node)
-    {
-        switch (true) {
-            case $node instanceof Do_:
-            case $node instanceof For_:
-            case $node instanceof Foreach_:
-            case $node instanceof Switch_:
-            case $node instanceof While_:
-                $this->loopDepth++;
-                break;
-
-            case $node instanceof Break_:
-            case $node instanceof Continue_:
-                $operator = $node instanceof Break_ ? 'break' : 'continue';
-
-                if ($this->loopDepth === 0) {
-                    $msg = sprintf("'%s' not in the 'loop' or 'switch' context", $operator);
-                    throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine());
-                }
-
-                if ($node->num instanceof LNumber || $node->num instanceof DNumber) {
-                    $num = $node->num->value;
-                    if ($this->isPHP54 && ($node->num instanceof DNumber || $num < 1)) {
-                        $msg = sprintf("'%s' operator accepts only positive numbers", $operator);
-                        throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine());
-                    }
-
-                    if ($num > $this->loopDepth) {
-                        $msg = sprintf("Cannot '%s' %d levels", $operator, $num);
-                        throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine());
-                    }
-                } elseif ($node->num && $this->isPHP54) {
-                    $msg = sprintf("'%s' operator with non-constant operand is no longer supported", $operator);
-                    throw new FatalErrorException($msg, 0, E_ERROR, null, $node->getLine());
-                }
-                break;
-        }
-    }
-
-    /**
-     * @param Node $node
-     */
-    public function leaveNode(Node $node)
-    {
-        switch (true) {
-            case $node instanceof Do_:
-            case $node instanceof For_:
-            case $node instanceof Foreach_:
-            case $node instanceof Switch_:
-            case $node instanceof While_:
-                $this->loopDepth--;
-                break;
-        }
-    }
-}