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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\UseStmt; |
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use Humbug\PhpScoper\PhpParser\NodeVisitor\ParentNodeAppender; |
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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\Name; |
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use PhpParser\Node\Stmt\Use_; |
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use PhpParser\Node\Stmt\UseUse; |
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use PhpParser\NodeVisitorAbstract; |
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/** |
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* Prefixes the use statements. |
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* |
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* @private |
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*/ |
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final class UseStmtPrefixer extends NodeVisitorAbstract |
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{ |
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private $prefix; |
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private $whitelist; |
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private $reflector; |
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public function __construct(string $prefix, Whitelist $whitelist, Reflector $reflector) |
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{ |
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$this->prefix = $prefix; |
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$this->reflector = $reflector; |
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$this->whitelist = $whitelist; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function enterNode(Node $node) |
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{ |
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if ($node instanceof UseUse && $this->shouldPrefixUseStmt($node)) { |
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$node->name = Name::concat($this->prefix, $node->name, $node->name->getAttributes()); |
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} |
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return $node; |
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} |
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private function shouldPrefixUseStmt(UseUse $use): bool |
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{ |
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$useType = $this->findUseType($use); |
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// If is already from the prefix namespace |
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if ($this->prefix === $use->name->getFirst()) { |
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return false; |
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} |
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// If is whitelisted |
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if ($this->whitelist->belongsToWhitelistedNamespace((string) $use->name)) { |
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return false; |
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} |
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if (Use_::TYPE_FUNCTION === $useType) { |
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return false === $this->reflector->isFunctionInternal((string) $use->name); |
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} |
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if (Use_::TYPE_CONSTANT === $useType) { |
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return |
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false === $this->whitelist->isSymbolWhitelisted((string) $use->name) |
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&& false === $this->reflector->isConstantInternal((string) $use->name) |
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; |
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} |
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return Use_::TYPE_NORMAL !== $useType || false === $this->reflector->isClassInternal((string) $use->name); |
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} |
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/** |
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* Finds the type of the use statement. |
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* |
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* @param UseUse $use |
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* |
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* @return int See \PhpParser\Node\Stmt\Use_ type constants. |
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*/ |
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private function findUseType(UseUse $use): int |
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{ |
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if (Use_::TYPE_UNKNOWN === $use->type) { |
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/** @var Use_ $parentNode */ |
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$parentNode = ParentNodeAppender::getParent($use); |
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return $parentNode->type; |
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} |
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return $use->type; |
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} |
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} |
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humbug /
php-scoper
