LibCpp: Don't crash on an empty '#' line

Closes #5634
Author: https://github.com/itamar8910 Commit: 289c466fef Pull-request: https://github.com/SerenityOS/serenity/pull/5654 Issue: https://github.com/SerenityOS/serenity/issues/5569 Issue: https://github.com/SerenityOS/serenity/issues/5574 Issue: https://github.com/SerenityOS/serenity/issues/5634
2025-07-29 20:29:18 +00:00 · 2021-03-04 13:23:24 +02:00 · 2021-03-04 13:23:24 +02:00 · 289c466fef · 2024-07-18 21:41:36 +09:00
commit 289c466fef
parent 3f0ace6670
1 changed files with 2 additions and 0 deletions
--- a/Userland/Libraries/LibCpp/Preprocessor.cpp
+++ b/Userland/Libraries/LibCpp/Preprocessor.cpp
@ -67,6 +67,8 @@ void Preprocessor::handle_preprocessor_line(const StringView& line)
    lexer.consume_specific('#');
    consume_whitespace();
    auto keyword = lexer.consume_until(' ');
+    if (keyword.is_empty() || keyword.is_null() || keyword.is_whitespace())
+        return;

    if (keyword == "include") {
        consume_whitespace();