From 43a91b0d0907542dd27991e19cae633192474a36 Mon Sep 17 00:00:00 2001
From: Ivan Bozhanov <github@vakata.com>
Date: Thu, 19 Jan 2017 16:47:11 +0200
Subject: [PATCH] Handle hover for $this (#249)

---
 src/DefinitionResolver.php              |  4 ++++
 tests/Server/TextDocument/HoverTest.php | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/DefinitionResolver.php b/src/DefinitionResolver.php
index d1f756e..8cbddf7 100644
--- a/src/DefinitionResolver.php
+++ b/src/DefinitionResolver.php
@@ -144,6 +144,10 @@ class DefinitionResolver
     {
         // Variables are not indexed globally, as they stay in the file scope anyway
         if ($node instanceof Node\Expr\Variable) {
+            // Resolve $this
+            if ($node->name === 'this' && $fqn = $this->getContainingClassFqn($node)) {
+                return $this->index->getDefinition($fqn, false);
+            }
             // Resolve the variable to a definition node (assignment, param or closure use)
             $defNode = self::resolveVariableToNode($node);
             if ($defNode === null) {
diff --git a/tests/Server/TextDocument/HoverTest.php b/tests/Server/TextDocument/HoverTest.php
index 9f33268..7d61354 100644
--- a/tests/Server/TextDocument/HoverTest.php
+++ b/tests/Server/TextDocument/HoverTest.php
@@ -172,4 +172,16 @@ class HoverTest extends ServerTestCase
             new Range(new Position(22, 9), new Position(22, 15))
         ), $result);
     }
+
+    public function testHoverForThis()
+    {
+        // $this;
+        // Get hover for $this
+        $uri = pathToUri(realpath(__DIR__ . '/../../../fixtures/global_symbols.php'));
+        $result = $this->textDocument->hover(new TextDocumentIdentifier($uri), new Position(59, 11))->wait();
+        $this->assertEquals(new Hover([
+            new MarkedString('php', "<?php\nclass TestClass implements \\TestInterface"),
+            'Pariatur ut laborum tempor voluptate consequat ea deserunt.'
+        ], new Range(new Position(59, 8), new Position(59, 13))), $result);
+    }
 }