Fixup references adder

Author: felixfbecker

src/NodeVisitors/ReferencesFinder.php

@@ -0,0 +1,44 @@
+<?php
+declare(strict_types = 1);
+
+namespace LanguageServer;
+
+use PhpParser\{NodeVisitorAbstract, Node};
+use LanguageServer\Protocol\{SymbolInformation, SymbolKind, Range, Position, Location};
+
+class ReferencesFinder extends NodeVisitorAbstract
+{
+    /**
+     * @var LanguageServer\Protocol\SymbolInformation[]
+     */
+    private $symbols = [];
+
+    /**
+     * Map from Nodes to array of references
+     * @var Map
+     */
+    private $references = [];
+
+    public function __construct(SymbolInformation $symbols)
+    {
+        $this->symbols = $symbols;
+    }
+
+    public function enterNode(Node $node)
+    {
+        if ($node instanceof Node\Name) {
+            foreach ($this->symbols as $symbol) {
+                if ($symbol->name === (string)$node) {
+                    // The name matches
+                    // For classes/interfaces/traits, we now found a reference
+                    if ($node instanceof Node\Stmt\ClassLike) {
+
+                    }
+                    // For methods, we need to check if the object is of the right class
+                    // For variables, we need to check if the variable is in the scope
+                }
+            }
+        }
+        $this->parent = $parent;
+    }
+}

src/Project.php

@@ -55,7 +55,6 @@ public function __construct(LanguageClient $client)
      */
     public function getDocument(string $uri)
     {
-        $uri = urldecode($uri);
         if (!isset($this->documents[$uri])) {
             $this->documents[$uri] = new PhpDocument($uri, $this, $this->client, $this->parser);
         }

src/Server/TextDocument.php

@@ -14,6 +14,7 @@
     Position,
     FormattingOptions,
     TextEdit,
+    ReferenceContext,
     Location
 };
 
@@ -90,6 +91,18 @@ public function formatting(TextDocumentIdentifier $textDocument, FormattingOptio
         return $this->project->getDocument($textDocument->uri)->getFormattedText();
     }
 
+    /**
+     * The references request is sent from the client to the server to resolve project-wide references for the symbol
+     * denoted by the given text document position.
+     *
+     * @param ReferenceContext $context
+     * @return Location[]
+     */
+    public function references(ReferenceContext $context, TextDocumentIdentifier $textDocument, Position $position): array
+    {
+        // $this->project->getDocument($textDocument->uri)->
+    }
+
     /**
      * The goto definition request is sent from the client to the server to resolve the definition location of a symbol
      * at a given text document position.