FM / CodeCleaner

/home/techb158/ileadtechnology.com/SSM/vendor/psy/psysh/src/CodeCleaner/

/home/techb158/ileadtechnology.com/SSM/vendor/psy/psysh/src/CodeCleaner

Name	Size	Mode	Actions
AbstractClassPass.php	2200	0644	edit dl rm
AssignThisVariablePass.php	1034	0644	edit dl rm
CalledClassPass.php	2386	0644	edit dl rm
CallTimePassByReferencePass.php	1391	0644	edit dl rm
CodeCleanerPass.php	415	0644	edit dl rm
EmptyArrayDimFetchPass.php	1283	0644	edit dl rm
ExitPass.php	773	0644	edit dl rm
FinalClassPass.php	1666	0644	edit dl rm
FunctionContextPass.php	1339	0644	edit dl rm
FunctionReturnInWriteContextPass.php	2498	0644	edit dl rm
ImplicitReturnPass.php	4240	0644	edit dl rm
InstanceOfPass.php	1604	0644	edit dl rm
LabelContextPass.php	2356	0644	edit dl rm
LeavePsyshAlonePass.php	913	0644	edit dl rm
ListPass.php	3282	0644	edit dl rm
LoopContextPass.php	3476	0644	edit dl rm
MagicConstantsPass.php	1068	0644	edit dl rm
NamespaceAwarePass.php	1856	0644	edit dl rm
NamespacePass.php	2416	0644	edit dl rm
NoReturnValue.php	870	0644	edit dl rm
PassableByReferencePass.php	4024	0644	edit dl rm
RequirePass.php	3035	0644	edit dl rm
StrictTypesPass.php	2704	0644	edit dl rm
UseStatementPass.php	4356	0644	edit dl rm
ValidClassNamePass.php	12176	0644	edit dl rm
ValidConstantPass.php	3202	0644	edit dl rm
ValidConstructorPass.php	3884	0644	edit dl rm
ValidFunctionNamePass.php	3239	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/SSM/vendor/psy/psysh/src/CodeCleaner/ValidClassNamePass.php (12176B)

<?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\Expr;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Expr\New_;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Stmt;
use PhpParser\Node\Stmt\Class_;
use PhpParser\Node\Stmt\Do_;
use PhpParser\Node\Stmt\If_;
use PhpParser\Node\Stmt\Interface_;
use PhpParser\Node\Stmt\Switch_;
use PhpParser\Node\Stmt\Trait_;
use PhpParser\Node\Stmt\While_;
use Psy\Exception\FatalErrorException;

/**
 * Validate that classes exist.
 *
 * This pass throws a FatalErrorException rather than letting PHP run
 * headfirst into a real fatal error and die.
 */
class ValidClassNamePass extends NamespaceAwarePass
{
    const CLASS_TYPE     = 'class';
    const INTERFACE_TYPE = 'interface';
    const TRAIT_TYPE     = 'trait';

private $conditionalScopes = 0;

/**
     * Validate class, interface and trait definitions.
     *
     * Validate them upon entering the node, so that we know about their
     * presence and can validate constant fetches and static calls in class or
     * trait methods.
     *
     * @param Node $node
     */
    public function enterNode(Node $node)
    {
        parent::enterNode($node);

if (self::isConditional($node)) {
            $this->conditionalScopes++;
        } else {
            // @todo add an "else" here which adds a runtime check for instances where we can't tell
            // whether a class is being redefined by static analysis alone.
            if ($this->conditionalScopes === 0) {
                if ($node instanceof Class_) {
                    $this->validateClassStatement($node);
                } elseif ($node instanceof Interface_) {
                    $this->validateInterfaceStatement($node);
                } elseif ($node instanceof Trait_) {
                    $this->validateTraitStatement($node);
                }
            }
        }
    }

/**
     * Validate `new` expressions, class constant fetches, and static calls.
     *
     * @throws FatalErrorException if a class, interface or trait is referenced which does not exist
     * @throws FatalErrorException if a class extends something that is not a class
     * @throws FatalErrorException if a class implements something that is not an interface
     * @throws FatalErrorException if an interface extends something that is not an interface
     * @throws FatalErrorException if a class, interface or trait redefines an existing class, interface or trait name
     *
     * @param Node $node
     */
    public function leaveNode(Node $node)
    {
        if (self::isConditional($node)) {
            $this->conditionalScopes--;
        } elseif ($node instanceof New_) {
            $this->validateNewExpression($node);
        } elseif ($node instanceof ClassConstFetch) {
            $this->validateClassConstFetchExpression($node);
        } elseif ($node instanceof StaticCall) {
            $this->validateStaticCallExpression($node);
        }
    }

private static function isConditional(Node $node)
    {
        return $node instanceof If_ ||
            $node instanceof While_ ||
            $node instanceof Do_ ||
            $node instanceof Switch_;
    }

/**
     * Validate a class definition statement.
     *
     * @param Class_ $stmt
     */
    protected function validateClassStatement(Class_ $stmt)
    {
        $this->ensureCanDefine($stmt, self::CLASS_TYPE);
        if (isset($stmt->extends)) {
            $this->ensureClassExists($this->getFullyQualifiedName($stmt->extends), $stmt);
        }
        $this->ensureInterfacesExist($stmt->implements, $stmt);
    }

/**
     * Validate an interface definition statement.
     *
     * @param Interface_ $stmt
     */
    protected function validateInterfaceStatement(Interface_ $stmt)
    {
        $this->ensureCanDefine($stmt, self::INTERFACE_TYPE);
        $this->ensureInterfacesExist($stmt->extends, $stmt);
    }

/**
     * Validate a trait definition statement.
     *
     * @param Trait_ $stmt
     */
    protected function validateTraitStatement(Trait_ $stmt)
    {
        $this->ensureCanDefine($stmt, self::TRAIT_TYPE);
    }

/**
     * Validate a `new` expression.
     *
     * @param New_ $stmt
     */
    protected function validateNewExpression(New_ $stmt)
    {
        // if class name is an expression or an anonymous class, give it a pass for now
        if (!$stmt->class instanceof Expr && !$stmt->class instanceof Class_) {
            $this->ensureClassExists($this->getFullyQualifiedName($stmt->class), $stmt);
        }
    }

/**
     * Validate a class constant fetch expression's class.
     *
     * @param ClassConstFetch $stmt
     */
    protected function validateClassConstFetchExpression(ClassConstFetch $stmt)
    {
        // there is no need to check exists for ::class const
        if (\strtolower($stmt->name) === 'class') {
            return;
        }

// if class name is an expression, give it a pass for now
        if (!$stmt->class instanceof Expr) {
            $this->ensureClassOrInterfaceExists($this->getFullyQualifiedName($stmt->class), $stmt);
        }
    }

/**
     * Validate a class constant fetch expression's class.
     *
     * @param StaticCall $stmt
     */
    protected function validateStaticCallExpression(StaticCall $stmt)
    {
        // if class name is an expression, give it a pass for now
        if (!$stmt->class instanceof Expr) {
            $this->ensureMethodExists($this->getFullyQualifiedName($stmt->class), $stmt->name, $stmt);
        }
    }

/**
     * Ensure that no class, interface or trait name collides with a new definition.
     *
     * @throws FatalErrorException
     *
     * @param Stmt   $stmt
     * @param string $scopeType
     */
    protected function ensureCanDefine(Stmt $stmt, $scopeType = self::CLASS_TYPE)
    {
        $name = $this->getFullyQualifiedName($stmt->name);

// check for name collisions
        $errorType = null;
        if ($this->classExists($name)) {
            $errorType = self::CLASS_TYPE;
        } elseif ($this->interfaceExists($name)) {
            $errorType = self::INTERFACE_TYPE;
        } elseif ($this->traitExists($name)) {
            $errorType = self::TRAIT_TYPE;
        }

if ($errorType !== null) {
            throw $this->createError(\sprintf('%s named %s already exists', \ucfirst($errorType), $name), $stmt);
        }

// Store creation for the rest of this code snippet so we can find local
        // issue too
        $this->currentScope[\strtolower($name)] = $scopeType;
    }

/**
     * Ensure that a referenced class exists.
     *
     * @throws FatalErrorException
     *
     * @param string $name
     * @param Stmt   $stmt
     */
    protected function ensureClassExists($name, $stmt)
    {
        if (!$this->classExists($name)) {
            throw $this->createError(\sprintf('Class \'%s\' not found', $name), $stmt);
        }
    }

/**
     * Ensure that a referenced class _or interface_ exists.
     *
     * @throws FatalErrorException
     *
     * @param string $name
     * @param Stmt   $stmt
     */
    protected function ensureClassOrInterfaceExists($name, $stmt)
    {
        if (!$this->classExists($name) && !$this->interfaceExists($name)) {
            throw $this->createError(\sprintf('Class \'%s\' not found', $name), $stmt);
        }
    }

/**
     * Ensure that a referenced class _or trait_ exists.
     *
     * @throws FatalErrorException
     *
     * @param string $name
     * @param Stmt   $stmt
     */
    protected function ensureClassOrTraitExists($name, $stmt)
    {
        if (!$this->classExists($name) && !$this->traitExists($name)) {
            throw $this->createError(\sprintf('Class \'%s\' not found', $name), $stmt);
        }
    }

/**
     * Ensure that a statically called method exists.
     *
     * @throws FatalErrorException
     *
     * @param string $class
     * @param string $name
     * @param Stmt   $stmt
     */
    protected function ensureMethodExists($class, $name, $stmt)
    {
        $this->ensureClassOrTraitExists($class, $stmt);

// let's pretend all calls to self, parent and static are valid
        if (\in_array(\strtolower($class), ['self', 'parent', 'static'])) {
            return;
        }

// ... and all calls to classes defined right now
        if ($this->findInScope($class) === self::CLASS_TYPE) {
            return;
        }

// if method name is an expression, give it a pass for now
        if ($name instanceof Expr) {
            return;
        }

if (!\method_exists($class, $name) && !\method_exists($class, '__callStatic')) {
            throw $this->createError(\sprintf('Call to undefined method %s::%s()', $class, $name), $stmt);
        }
    }

/**
     * Ensure that a referenced interface exists.
     *
     * @throws FatalErrorException
     *
     * @param Interface_[] $interfaces
     * @param Stmt         $stmt
     */
    protected function ensureInterfacesExist($interfaces, $stmt)
    {
        foreach ($interfaces as $interface) {
            /** @var string $name */
            $name = $this->getFullyQualifiedName($interface);
            if (!$this->interfaceExists($name)) {
                throw $this->createError(\sprintf('Interface \'%s\' not found', $name), $stmt);
            }
        }
    }

/**
     * Get a symbol type key for storing in the scope name cache.
     *
     * @deprecated No longer used. Scope type should be passed into ensureCanDefine directly.
     * @codeCoverageIgnore
     *
     * @param Stmt $stmt
     *
     * @return string
     */
    protected function getScopeType(Stmt $stmt)
    {
        if ($stmt instanceof Class_) {
            return self::CLASS_TYPE;
        } elseif ($stmt instanceof Interface_) {
            return self::INTERFACE_TYPE;
        } elseif ($stmt instanceof Trait_) {
            return self::TRAIT_TYPE;
        }
    }

/**
     * Check whether a class exists, or has been defined in the current code snippet.
     *
     * Gives `self`, `static` and `parent` a free pass.
     *
     * @param string $name
     *
     * @return bool
     */
    protected function classExists($name)
    {
        // Give `self`, `static` and `parent` a pass. This will actually let
        // some errors through, since we're not checking whether the keyword is
        // being used in a class scope.
        if (\in_array(\strtolower($name), ['self', 'static', 'parent'])) {
            return true;
        }

return \class_exists($name) || $this->findInScope($name) === self::CLASS_TYPE;
    }

/**
     * Check whether an interface exists, or has been defined in the current code snippet.
     *
     * @param string $name
     *
     * @return bool
     */
    protected function interfaceExists($name)
    {
        return \interface_exists($name) || $this->findInScope($name) === self::INTERFACE_TYPE;
    }

/**
     * Check whether a trait exists, or has been defined in the current code snippet.
     *
     * @param string $name
     *
     * @return bool
     */
    protected function traitExists($name)
    {
        return \trait_exists($name) || $this->findInScope($name) === self::TRAIT_TYPE;
    }

/**
     * Find a symbol in the current code snippet scope.
     *
     * @param string $name
     *
     * @return string|null
     */
    protected function findInScope($name)
    {
        $name = \strtolower($name);
        if (isset($this->currentScope[$name])) {
            return $this->currentScope[$name];
        }
    }

/**
     * Error creation factory.
     *
     * @param string $msg
     * @param Stmt   $stmt
     *
     * @return FatalErrorException
     */
    protected function createError($msg, $stmt)
    {
        return new FatalErrorException($msg, 0, E_ERROR, null, $stmt->getLine());
    }
}

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