From bbdd20bfd638d5d56d8ce5033214c7e5ce8d1042 Mon Sep 17 00:00:00 2001
From: Matthew Brown <github@muglug.com>
Date: Sat, 1 Dec 2018 15:29:14 -0500
Subject: [PATCH] Fix #490 - warm about unknown @psalm- annotations

---
 src/Psalm/DocComment.php                    | 19 +++++++++++++++++++
 tests/performance/diff_parse_large_file.php |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/src/Psalm/DocComment.php b/src/Psalm/DocComment.php
index 7514c2281..6d6cc074a 100644
--- a/src/Psalm/DocComment.php
+++ b/src/Psalm/DocComment.php
@@ -128,6 +128,25 @@ class DocComment
         // is one.
         $docblock = preg_replace('/^\s*\n/', '', $docblock);
 
+        foreach ($special as $special_key => $_) {
+            if (substr($special_key, 0, 6) === 'psalm-') {
+                $special_key = substr($special_key, 6);
+
+                if (!in_array(
+                    $special_key,
+                    [
+                        'return', 'param', 'template', 'var', 'type',
+                        'assert', 'assert-if-true', 'assert-if-false', 'suppress',
+                        'ignore-nullable-return', 'override-property-visibility',
+                        'override-method-visibility', 'seal-properties', 'seal-methods',
+                        'generator-return', 'ignore-falsable-return',
+                    ]
+                )) {
+                    throw new DocblockParseException('Unrecognised annotation @psalm-' . $special_key);
+                }
+            }
+        }
+
         return [
             'description' => $docblock,
             'specials' => $special,
diff --git a/tests/performance/diff_parse_large_file.php b/tests/performance/diff_parse_large_file.php
index 82267122d..83ee6d6fc 100644
--- a/tests/performance/diff_parse_large_file.php
+++ b/tests/performance/diff_parse_large_file.php
@@ -5,6 +5,8 @@ ini_set('html_errors', '1');
 ini_set('memory_limit', '-1');
 error_reporting(E_ALL);
 
+gc_disable();
+
 require __DIR__ . '../../../vendor/autoload.php';
 
 $a = file_get_contents(__DIR__ . '/a.test');