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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\NamespaceStmt; |
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use Humbug\PhpScoper\PhpParser\Node\FullyQualifiedFactory; |
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use Humbug\PhpScoper\PhpParser\Node\NamedIdentifier; |
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use Humbug\PhpScoper\PhpParser\NodeVisitor\ParentNodeAppender; |
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use Humbug\PhpScoper\PhpParser\NodeVisitor\Resolver\FullyQualifiedNameResolver; |
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use Humbug\PhpScoper\Reflector; |
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use Humbug\PhpScoper\Whitelist; |
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use PhpParser\Node; |
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use PhpParser\Node\Arg; |
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use PhpParser\Node\Expr\FuncCall; |
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use PhpParser\Node\Identifier; |
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use PhpParser\Node\Name; |
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use PhpParser\Node\Name\FullyQualified; |
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use PhpParser\Node\Scalar\String_; |
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use PhpParser\Node\Stmt\Function_; |
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use PhpParser\NodeVisitor\NameResolver; |
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use PhpParser\NodeVisitorAbstract; |
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/** |
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* Records the user functions registered in the global namespace which have been whitelisted and whitelisted functions. |
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* |
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* @private |
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*/ |
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final class FunctionIdentifierRecorder extends NodeVisitorAbstract |
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{ |
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private string $prefix; |
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private FullyQualifiedNameResolver $nameResolver; |
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private Whitelist $newNameResolver; |
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private $whitelist; |
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private Reflector $reflector; |
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public function __construct( |
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string $prefix, |
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FullyQualifiedNameResolver $nameResolver, |
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NameResolver $newNameResolver, |
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Whitelist $whitelist, |
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Reflector $reflector |
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) { |
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$this->prefix = $prefix; |
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$this->nameResolver = $nameResolver; |
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$this->newNameResolver = $newNameResolver; |
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$this->whitelist = $whitelist; |
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$this->reflector = $reflector; |
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} |
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public function enterNode(Node $node): Node |
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{ |
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if (false === ($node instanceof Identifier || $node instanceof Name || $node instanceof String_) |
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|| false === ParentNodeAppender::hasParent($node) |
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) { |
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return $node; |
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} |
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if (null === $resolvedName = $this->retrieveResolvedName($node)) { |
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return $node; |
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} |
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if ( |
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false === $this->reflector->isFunctionInternal((string) $resolvedName) |
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&& ( |
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$this->whitelist->isGlobalWhitelistedFunction((string) $resolvedName) |
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|| $this->whitelist->isSymbolWhitelisted((string) $resolvedName) |
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) |
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) { |
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$this->whitelist->recordWhitelistedFunction( |
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$resolvedName, |
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FullyQualifiedFactory::concat($this->prefix, $resolvedName) |
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); |
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} |
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return $node; |
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} |
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private function retrieveResolvedName(Node $node): ?FullyQualified |
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{ |
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if ($node instanceof Identifier) { |
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return $this->retrieveResolvedNameForIdentifier($node); |
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} |
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if ($node instanceof Name) { |
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return $this->retrieveResolvedNameForFuncCall($node); |
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} |
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if ($node instanceof String_) { |
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return $this->retrieveResolvedNameForString($node); |
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} |
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return null; |
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} |
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private function retrieveResolvedNameForIdentifier(Identifier $node): ?FullyQualified |
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{ |
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$parent = ParentNodeAppender::getParent($node); |
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if (false === ($parent instanceof Function_) || $node === $parent->returnType) { |
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return null; |
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} |
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$resolvedName = $this->nameResolver->resolveName($node)->getName(); |
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$newResolvedName = $this->newNameResolver->getNameContext()->getResolvedName(NamedIdentifier::create($node), Node\Stmt\Use_::TYPE_NORMAL); |
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if ((string) $resolvedName !== (string) $newResolvedName) { |
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$x = ''; |
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} |
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return $resolvedName instanceof FullyQualified ? $resolvedName : null; |
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} |
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private function retrieveResolvedNameForFuncCall(Name $node): ?FullyQualified |
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{ |
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$parent = ParentNodeAppender::getParent($node); |
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if (false === ($parent instanceof FuncCall)) { |
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return null; |
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} |
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$resolvedName = $this->nameResolver->resolveName($node)->getName(); |
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$newResolvedName = $this->newNameResolver->getNameContext()->getResolvedName($node, Node\Stmt\Use_::TYPE_NORMAL); |
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if ((string) $resolvedName !== (string) $newResolvedName) { |
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xdebug_break(); |
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$x = ''; |
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} |
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return $resolvedName instanceof FullyQualified ? $resolvedName : null; |
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} |
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private function retrieveResolvedNameForString(String_ $node): ?FullyQualified |
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{ |
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$stringParent = ParentNodeAppender::getParent($node); |
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if (false === ($stringParent instanceof Arg)) { |
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return null; |
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} |
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$argParent = ParentNodeAppender::getParent($stringParent); |
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if (false === ($argParent instanceof FuncCall) |
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|| false === ($argParent->name instanceof FullyQualified) |
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|| 'function_exists' !== (string) $argParent->name |
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) { |
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return null; |
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} |
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$resolvedName = $this->nameResolver->resolveName($node)->getName(); |
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$x = ''; |
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$newResolvedName = $this->newNameResolver->getNameContext()->getResolvedName($node, Node\Stmt\Use_::TYPE_NORMAL); |
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if ((string) $resolvedName !== (string) $newResolvedName) { |
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$x = ''; |
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} |
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return $resolvedName instanceof FullyQualified ? $resolvedName : null; |
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} |
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} |
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humbug /
php-scoper
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.