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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the humbug/php-scoper package. |
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* |
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* Copyright (c) 2017 Théo FIDRY <[email protected]>, |
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* Pádraic Brady <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Humbug\PhpScoper\PhpParser\NodeVisitor; |
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use Humbug\PhpScoper\Reflector; |
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use PhpParser\Node; |
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use PhpParser\Node\Arg; |
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use PhpParser\Node\Const_; |
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use PhpParser\Node\Expr\ArrayItem; |
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use PhpParser\Node\Expr\Assign; |
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use PhpParser\Node\Expr\FuncCall; |
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use PhpParser\Node\Name; |
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use PhpParser\Node\Name\FullyQualified; |
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use PhpParser\Node\Param; |
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use PhpParser\Node\Scalar\String_; |
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use PhpParser\Node\Stmt\PropertyProperty; |
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use PhpParser\NodeVisitorAbstract; |
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use function is_string; |
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use function preg_match; |
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/** |
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* Prefixes the string scalar values. |
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* |
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* ``` |
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* $x = 'Foo\Bar'; |
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* ``` |
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* |
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* => |
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* |
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* ``` |
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* $x = 'Humbug\Foo\Bar'; |
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* ``` |
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* |
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* @private |
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*/ |
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final class StringScalarPrefixer extends NodeVisitorAbstract |
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{ |
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private $prefix; |
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private $reflector; |
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371 |
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public function __construct(string $prefix, Reflector $reflector) |
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{ |
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$this->prefix = $prefix; |
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$this->reflector = $reflector; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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370 |
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public function enterNode(Node $node): Node |
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{ |
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return ($this->shouldPrefixScalar($node)) |
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? $this->prefixStringScalar($node) |
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: $node |
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; |
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} |
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private function shouldPrefixScalar(Node $node): bool |
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{ |
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if (false === ($node instanceof String_ && AppendParentNode::hasParent($node) && is_string($node->value)) |
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|| 1 !== preg_match('/^\\\\*(?:\p{L}+\\\\+)++\p{L}+$/u', $node->value) |
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) { |
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return false; |
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} |
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/** @var String_ $node */ |
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$parentNode = AppendParentNode::getParent($node); |
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if ($parentNode instanceof Arg |
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&& null !== $funcNode = AppendParentNode::findParent($parentNode) |
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) { |
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$funcNode = AppendParentNode::getParent($parentNode); |
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return |
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$funcNode instanceof FuncCall |
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&& $funcNode->name instanceof Name |
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&& false === $funcNode->hasAttribute('whitelist_class_alias') |
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; |
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} |
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return $parentNode instanceof Assign |
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|| $parentNode instanceof ArrayItem |
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|| $parentNode instanceof Param |
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|| $parentNode instanceof Const_ |
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|| $parentNode instanceof PropertyProperty |
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; |
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} |
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private function prefixStringScalar(String_ $string): Node |
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{ |
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$stringName = new Name( |
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preg_replace('/^\\\\(.+)$/', '$1', $string->value), |
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$string->getAttributes() |
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); |
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// Skip if is already prefixed |
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if ($this->prefix === $stringName->getFirst()) { |
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$newStringName = $stringName; |
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// Check if the class can be prefixed: class from the global namespace |
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} elseif ( |
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1 === count($stringName->parts) |
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|| $this->reflector->isClassInternal($stringName->toString()) |
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) { |
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$newStringName = $stringName; |
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} else { |
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$newStringName = FullyQualified::concat($this->prefix, $stringName->toString(), $stringName->getAttributes()); |
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} |
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return new String_($newStringName->toString(), $string->getAttributes()); |
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} |
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} |
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humbug /
php-scoper
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.