From 2341294c205e826ce87db3c47be94ba69e030dc3 Mon Sep 17 00:00:00 2001
From: Andrew Kaster <akaster@serenityos.org>
Date: Sat, 8 Oct 2022 16:47:08 -0600
Subject: [PATCH] LibIDL: Parse extended attributes that have () wrapped
 expressions

This includes things like Exposed and LegacyFactoryFunction.
---
 Userland/Libraries/LibIDL/IDLParser.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibIDL/IDLParser.cpp b/Userland/Libraries/LibIDL/IDLParser.cpp
index c576b0193d..6f840f9b29 100644
--- a/Userland/Libraries/LibIDL/IDLParser.cpp
+++ b/Userland/Libraries/LibIDL/IDLParser.cpp
@@ -114,7 +114,17 @@ HashMap<String, String> Parser::parse_extended_attributes()
             break;
         auto name = lexer.consume_until([](auto ch) { return ch == ']' || ch == '=' || ch == ','; });
         if (lexer.consume_specific('=')) {
-            auto value = lexer.consume_until([](auto ch) { return ch == ']' || ch == ','; });
+            bool did_open_paren = false;
+            auto value = lexer.consume_until(
+                [&did_open_paren](auto ch) mutable {
+                    if (ch == '(') {
+                        did_open_paren = true;
+                        return false;
+                    }
+                    if (did_open_paren)
+                        return ch == ')';
+                    return ch == ']' || ch == ',';
+                });
             extended_attributes.set(name, value);
         } else {
             extended_attributes.set(name, {});