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

diff --git a/vendor/psy/psysh/src/Psy/CodeCleaner/UseStatementPass.php b/vendor/psy/psysh/src/Psy/CodeCleaner/UseStatementPass.php
deleted file mode 100644 (file)
index c1ce64d..0000000
--- a/vendor/psy/psysh/src/Psy/CodeCleaner/UseStatementPass.php
+++ /dev/null
@@ -1,123 +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\Name;
-use PhpParser\Node\Name\FullyQualified as FullyQualifiedName;
-use PhpParser\Node\Stmt\GroupUse;
-use PhpParser\Node\Stmt\Namespace_;
-use PhpParser\Node\Stmt\Use_;
-
-/**
- * Provide implicit use statements for subsequent execution.
- *
- * The use statement pass remembers the last use statement line encountered:
- *
- *     use Foo\Bar as Baz;
- *
- * ... which it then applies implicitly to all future evaluated code, until the
- * current namespace is replaced by another namespace.
- */
-class UseStatementPass extends CodeCleanerPass
-{
-    private $aliases       = array();
-    private $lastAliases   = array();
-    private $lastNamespace = null;
-
-    /**
-     * Re-load the last set of use statements on re-entering a namespace.
-     *
-     * This isn't how namespaces normally work, but because PsySH has to spin
-     * up a new namespace for every line of code, we do this to make things
-     * work like you'd expect.
-     *
-     * @param Node $node
-     */
-    public function enterNode(Node $node)
-    {
-        if ($node instanceof Namespace_) {
-            // If this is the same namespace as last namespace, let's do ourselves
-            // a favor and reload all the aliases...
-            if (strtolower($node->name) === strtolower($this->lastNamespace)) {
-                $this->aliases = $this->lastAliases;
-            }
-        }
-    }
-
-    /**
-     * If this statement is a namespace, forget all the aliases we had.
-     *
-     * If it's a use statement, remember the alias for later. Otherwise, apply
-     * remembered aliases to the code.
-     *
-     * @param Node $node
-     */
-    public function leaveNode(Node $node)
-    {
-        if ($node instanceof Use_) {
-            // Store a reference to every "use" statement, because we'll need
-            // them in a bit.
-            foreach ($node->uses as $use) {
-                $this->aliases[strtolower($use->alias)] = $use->name;
-            }
-
-            return false;
-        } elseif ($node instanceof GroupUse) {
-            // Expand every "use" statement in the group into a full, standalone
-            // "use" and store 'em with the others.
-            foreach ($node->uses as $use) {
-                $this->aliases[strtolower($use->alias)] = Name::concat($node->prefix, $use->name, array(
-                    'startLine' => $node->prefix->getAttribute('startLine'),
-                    'endLine'   => $use->name->getAttribute('endLine'),
-                ));
-            }
-
-            return false;
-        } elseif ($node instanceof Namespace_) {
-            // Start fresh, since we're done with this namespace.
-            $this->lastNamespace = $node->name;
-            $this->lastAliases   = $this->aliases;
-            $this->aliases       = array();
-        } else {
-            foreach ($node as $name => $subNode) {
-                if ($subNode instanceof Name) {
-                    // Implicitly thunk all aliases.
-                    if ($replacement = $this->findAlias($subNode)) {
-                        $node->$name = $replacement;
-                    }
-                }
-            }
-
-            return $node;
-        }
-    }
-
-    /**
-     * Find class/namespace aliases.
-     *
-     * @param Name $name
-     *
-     * @return FullyQualifiedName|null
-     */
-    private function findAlias(Name $name)
-    {
-        $that = strtolower($name);
-        foreach ($this->aliases as $alias => $prefix) {
-            if ($that === $alias) {
-                return new FullyQualifiedName($prefix->toString());
-            } elseif (substr($that, 0, strlen($alias) + 1) === $alias . '\\') {
-                return new FullyQualifiedName($prefix->toString() . substr($name, strlen($alias)));
-            }
-        }
-    }
-}