From f16011e4d18ab96b9aa8594abe6f8a3be9d79072 Mon Sep 17 00:00:00 2001
From: Ali Mohammad Pur <ali.mpfard@gmail.com>
Date: Sat, 31 Jul 2021 02:11:59 +0430
Subject: [PATCH] LibCpp: Allow 'final' in a class declaration with inheritance

---
 Userland/Libraries/LibCpp/Parser.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/Userland/Libraries/LibCpp/Parser.cpp b/Userland/Libraries/LibCpp/Parser.cpp
index cb77f61061..cbb8259ed2 100644
--- a/Userland/Libraries/LibCpp/Parser.cpp
+++ b/Userland/Libraries/LibCpp/Parser.cpp
@@ -700,7 +700,12 @@ bool Parser::match_class_declaration()
 
     consume(Token::Type::Identifier);
 
-    if (peek().type() == Token::Type::Colon) {
+    auto has_final = match_keyword("final");
+
+    if (peek(has_final ? 1 : 0).type() == Token::Type::Colon) {
+        if (has_final)
+            consume();
+
         do {
             consume();
 
@@ -1158,8 +1163,13 @@ NonnullRefPtr<StructOrClassDeclaration> Parser::parse_class_declaration(ASTNode&
     auto name_token = consume(Token::Type::Identifier);
     decl->set_name(text_of_token(name_token));
 
+    auto has_final = match_keyword("final");
+
     // FIXME: Don't ignore this.
-    if (peek().type() == Token::Type::Colon) {
+    if (peek(has_final ? 1 : 0).type() == Token::Type::Colon) {
+        if (has_final)
+            consume();
+
         do {
             consume();