68 lines
1.9 KiB
PHP
68 lines
1.9 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace LanguageServer;
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use PhpParser\{NodeVisitorAbstract, Node};
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use LanguageServer\Protocol\{SymbolInformation, SymbolKind, Range, Position, Location};
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class SymbolFinder extends NodeVisitorAbstract
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{
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const NODE_SYMBOL_KIND_MAP = [
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Node\Stmt\Class_::class => SymbolKind::CLASS_,
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Node\Stmt\Interface_::class => SymbolKind::INTERFACE,
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Node\Stmt\Namespace_::class => SymbolKind::NAMESPACE,
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Node\Stmt\Function_::class => SymbolKind::FUNCTION,
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Node\Stmt\ClassMethod::class => SymbolKind::METHOD,
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Node\Stmt\PropertyProperty::class => SymbolKind::PROPERTY,
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Node\Const_::class => SymbolKind::CONSTANT,
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Node\Expr\Variable::class => SymbolKind::VARIABLE
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];
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/**
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* @var LanguageServer\Protocol\SymbolInformation[]
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*/
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public $symbols;
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/**
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* @var string
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*/
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private $uri;
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/**
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* @var string
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*/
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private $containerName;
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public function __construct(string $uri)
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{
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$this->uri = $uri;
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}
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public function enterNode(Node $node)
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{
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$class = get_class($node);
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if (!isset(self::NODE_SYMBOL_KIND_MAP[$class])) {
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return;
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}
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$symbol = new SymbolInformation();
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$symbol->kind = self::NODE_SYMBOL_KIND_MAP[$class];
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$symbol->name = (string)$node->name;
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$symbol->location = new Location(
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$this->uri,
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new Range(
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new Position($node->getAttribute('startLine') - 1, $node->getAttribute('startColumn') - 1),
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new Position($node->getAttribute('endLine') - 1, $node->getAttribute('endColumn') - 1)
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)
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);
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$symbol->containerName = $this->containerName;
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$this->containerName = $symbol->name;
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$this->symbols[] = $symbol;
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}
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public function leaveNode(Node $node)
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{
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$this->containerName = null;
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}
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}
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