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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\PhpParser\NodeVisitor\Resolver\FullyQualifiedNameResolver; |
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use Humbug\PhpScoper\Whitelist; |
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use PhpParser\Node; |
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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\Expression; |
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use PhpParser\NodeVisitorAbstract; |
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/** |
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* Replaces const declaration by define. |
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* |
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* ``` |
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* const DUMMY_CONST = 'foo'; |
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* ``` |
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* |
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* => |
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* |
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* ``` |
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* define('DUMMY_CONST', 'foo'); |
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* ``` |
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* |
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* @private |
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*/ |
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final class ConstStmtReplacer extends NodeVisitorAbstract |
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{ |
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private $whitelist; |
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private $nameResolver; |
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public function __construct(Whitelist $whitelist, FullyQualifiedNameResolver $nameResolver) |
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{ |
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$this->whitelist = $whitelist; |
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$this->nameResolver = $nameResolver; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @param Node\Stmt\Const_ $node |
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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 Node\Stmt\Const_)) { |
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return $node; |
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} |
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// TODO: check this: when can Node\Stmt\Const_ be empty or have more than one constant |
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/** @var Node\Const_ $constant */ |
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$constant = current($node->consts); |
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$resolvedConstantName = $this->nameResolver->resolveName( |
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new Name( |
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(string) $constant->name, |
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$node->getAttributes() // Take the parent node attribute since no "parent" attribute is recorded in |
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// Node\Const_ |
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// TODO: check with nikic if this is expected |
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) |
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)->getName(); |
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if (false === $this->whitelist->isClassWhitelisted((string) $resolvedConstantName)) { |
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return $node; |
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} |
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return new Expression( |
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new FuncCall( |
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new FullyQualified('define'), |
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[ |
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new String_((string) $resolvedConstantName), |
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$constant->value, |
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] |
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) |
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); |
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} |
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} |
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humbug /
php-scoper
