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    <h3>Editing: SudoVisitor.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\Sudo;

use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr\Assign;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\New_;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\StaticPropertyFetch;
use PhpParser\Node\Identifier;
use PhpParser\Node\Name;
use PhpParser\Node\Name\FullyQualified as FullyQualifiedName;
use PhpParser\Node\Scalar\String_;
use PhpParser\NodeVisitorAbstract;
use Psy\Sudo;

/**
 * A PHP Parser node visitor which rewrites property and method access to use
 * the Psy\Sudo visibility bypass methods.
 *
 * @todo handle assigning by reference
 */
class SudoVisitor extends NodeVisitorAbstract
{
    const PROPERTY_FETCH = 'fetchProperty';
    const PROPERTY_ASSIGN = 'assignProperty';
    const METHOD_CALL = 'callMethod';
    const STATIC_PROPERTY_FETCH = 'fetchStaticProperty';
    const STATIC_PROPERTY_ASSIGN = 'assignStaticProperty';
    const STATIC_CALL = 'callStatic';
    const CLASS_CONST_FETCH = 'fetchClassConst';
    const NEW_INSTANCE = 'newInstance';

    /**
     * {@inheritdoc}
     *
     * @return int|Node|null Replacement node (or special return value)
     */
    public function enterNode(Node $node)
    {
        if ($node instanceof PropertyFetch) {
            $name = $node-&gt;name instanceof Identifier ? $node-&gt;name-&gt;toString() : $node-&gt;name;
            $args = [
                $node-&gt;var,
                \is_string($name) ? new String_($name) : $name,
            ];

            return $this-&gt;prepareCall(self::PROPERTY_FETCH, $args);
        } elseif ($node instanceof Assign &amp;&amp; $node-&gt;var instanceof PropertyFetch) {
            $target = $node-&gt;var;
            $name = $target-&gt;name instanceof Identifier ? $target-&gt;name-&gt;toString() : $target-&gt;name;
            $args = [
                $target-&gt;var,
                \is_string($name) ? new String_($name) : $name,
                $node-&gt;expr,
            ];

            return $this-&gt;prepareCall(self::PROPERTY_ASSIGN, $args);
        } elseif ($node instanceof MethodCall) {
            $name = $node-&gt;name instanceof Identifier ? $node-&gt;name-&gt;toString() : $node-&gt;name;
            $args = $node-&gt;args;
            \array_unshift($args, new Arg(\is_string($name) ? new String_($name) : $name));
            \array_unshift($args, new Arg($node-&gt;var));

            // not using prepareCall because the $node-&gt;args we started with are already Arg instances
            return new StaticCall(new FullyQualifiedName(Sudo::class), self::METHOD_CALL, $args);
        } elseif ($node instanceof StaticPropertyFetch) {
            $class = $node-&gt;class instanceof Name ? $node-&gt;class-&gt;toString() : $node-&gt;class;
            $name = $node-&gt;name instanceof Identifier ? $node-&gt;name-&gt;toString() : $node-&gt;name;
            $args = [
                \is_string($class) ? new String_($class) : $class,
                \is_string($name) ? new String_($name) : $name,
            ];

            return $this-&gt;prepareCall(self::STATIC_PROPERTY_FETCH, $args);
        } elseif ($node instanceof Assign &amp;&amp; $node-&gt;var instanceof StaticPropertyFetch) {
            $target = $node-&gt;var;
            $class = $target-&gt;class instanceof Name ? $target-&gt;class-&gt;toString() : $target-&gt;class;
            $name = $target-&gt;name instanceof Identifier ? $target-&gt;name-&gt;toString() : $target-&gt;name;
            $args = [
                \is_string($class) ? new String_($class) : $class,
                \is_string($name) ? new String_($name) : $name,
                $node-&gt;expr,
            ];

            return $this-&gt;prepareCall(self::STATIC_PROPERTY_ASSIGN, $args);
        } elseif ($node instanceof StaticCall) {
            $args = $node-&gt;args;
            $class = $node-&gt;class instanceof Name ? $node-&gt;class-&gt;toString() : $node-&gt;class;
            $name = $node-&gt;name instanceof Identifier ? $node-&gt;name-&gt;toString() : $node-&gt;name;
            \array_unshift($args, new Arg(\is_string($name) ? new String_($name) : $name));
            \array_unshift($args, new Arg(\is_string($class) ? new String_($class) : $class));

            // not using prepareCall because the $node-&gt;args we started with are already Arg instances
            return new StaticCall(new FullyQualifiedName(Sudo::class), self::STATIC_CALL, $args);
        } elseif ($node instanceof ClassConstFetch) {
            $class = $node-&gt;class instanceof Name ? $node-&gt;class-&gt;toString() : $node-&gt;class;
            $name = $node-&gt;name instanceof Identifier ? $node-&gt;name-&gt;toString() : $node-&gt;name;
            $args = [
                \is_string($class) ? new String_($class) : $class,
                \is_string($name) ? new String_($name) : $name,
            ];

            return $this-&gt;prepareCall(self::CLASS_CONST_FETCH, $args);
        } elseif ($node instanceof New_) {
            $args = $node-&gt;args;
            $class = $node-&gt;class instanceof Name ? $node-&gt;class-&gt;toString() : $node-&gt;class;
            \array_unshift($args, new Arg(\is_string($class) ? new String_($class) : $class));

            // not using prepareCall because the $node-&gt;args we started with are already Arg instances
            return new StaticCall(new FullyQualifiedName(Sudo::class), self::NEW_INSTANCE, $args);
        }
    }

    private function prepareCall(string $method, array $args): StaticCall
    {
        return new StaticCall(new FullyQualifiedName(Sudo::class), $method, \array_map(function ($arg) {
            return new Arg($arg);
        }, $args));
    }
}
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