50 lines
1.3 KiB
PHP
50 lines
1.3 KiB
PHP
<?php
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declare(strict_types=1);
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namespace LanguageServer\Scope;
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use Microsoft\PhpParser\Node\QualifiedName;
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/**
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* Contains information about variables at a point.
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*/
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class Scope
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{
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/**
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* @var Variable|null $this
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*
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* Note that this will be set when a class is entered. It is unset again when entering a static function.
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*/
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public $thisVariable;
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/**
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* @var Variable|null $this, except also set in static contexts.
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*/
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public $currentClassLikeVariable;
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/**
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* @var Variable[] Variables in the scope, indexed by their names (without the dollar) and excluding $this.
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*/
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public $variables = [];
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/**
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* @var string[] Maps unqualified names to fully qualified names.
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*/
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public $resolvedNameCache = [];
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public function clearResolvedNameCache() {
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$this->resolvedNameCache = [];
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}
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/**
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* @return string|null
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*/
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public function getResolvedName(QualifiedName $name) {
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$nameStr = (string)$name;
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if (array_key_exists($nameStr, $this->resolvedNameCache)) {
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return $this->resolvedNameCache[$nameStr];
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}
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$resolvedName = $name->getResolvedName();
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return $this->resolvedNameCache[$nameStr] = $resolvedName ? (string)$resolvedName : null;
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}
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}
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