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37 lines
771 B
PHP
37 lines
771 B
PHP
<?php
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namespace Psalm\Internal\Visitor;
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use PhpParser;
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use Psalm\Internal\Analyzer\Statements\ExpressionAnalyzer;
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/**
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* @internal
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*/
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class ShortClosureVisitor extends PhpParser\NodeVisitorAbstract implements PhpParser\NodeVisitor
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{
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/**
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* @var array<string, bool>
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*/
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protected $used_variables = [];
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/**
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* @param PhpParser\Node $node
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*
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* @return null|int
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*/
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public function enterNode(PhpParser\Node $node)
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{
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if ($node instanceof PhpParser\Node\Expr\Variable && \is_string($node->name)) {
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$this->used_variables['$' . $node->name] = true;
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};
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}
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/**
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* @return array<string, bool>
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*/
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public function getUsedVariables()
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{
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return $this->used_variables;
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}
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}
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