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\Name;
use PhpParser\Node\Name\FullyQualified as FullyQualifiedName;
use PhpParser\Node\Stmt\GroupUse;
use PhpParser\Node\Stmt\Namespace_;
use PhpParser\Node\Stmt\Use_;
use PhpParser\Node\Stmt\UseUse;
use PhpParser\NodeTraverser;

/**
 * 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       = [];
    private $lastAliases   = [];
    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 $node)
    {
        // Store a reference to every "use" statement, because we'll need them in a bit.
        if ($node instanceof Use_) {
            foreach ($node->uses as $use) {
                $alias = $use->alias ?: \end($use->name->parts);
                $this->aliases[\strtolower($alias)] = $use->name;
            }

return NodeTraverser::REMOVE_NODE;
        }

// Expand every "use" statement in the group into a full, standalone "use" and store 'em with the others.
        if ($node instanceof GroupUse) {
            foreach ($node->uses as $use) {
                $alias = $use->alias ?: \end($use->name->parts);
                $this->aliases[\strtolower($alias)] = Name::concat($node->prefix, $use->name, [
                    'startLine' => $node->prefix->getAttribute('startLine'),
                    'endLine'   => $use->name->getAttribute('endLine'),
                ]);
            }

return NodeTraverser::REMOVE_NODE;
        }

// Start fresh, since we're done with this namespace.
        if ($node instanceof Namespace_) {
            $this->lastNamespace = $node->name;
            $this->lastAliases   = $this->aliases;
            $this->aliases       = [];

return;
        }

// Do nothing with UseUse; this an entry in the list of uses in the use statement.
        if ($node instanceof UseUse) {
            return;
        }

// For everything else, we'll implicitly thunk all aliases into fully-qualified names.
        foreach ($node as $name => $subNode) {
            if ($subNode instanceof Name) {
                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)));
            }
        }
    }
}