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LibCpp: Add "ignore invalid statements" option to Preprocessor

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When we run the Preprocessor from the CppComprehensionEngine of
the language server, we don't want the preprocessor to crash if it
encounters an invalid preprocessor statement (for example, an #endif
statement without an accompanying previous #if statement).

To achieve this, this commit adds an "ignore_invalid_statements" flag
to the preprocessor which is set by the CppComprehensionEngine.

Fixes #11064.
This commit is contained in:
Itamar
2021-12-03 10:10:16 +02:00
committed by Andreas Kling
parent 408f05bbb9
commit c3c2fe153b
3 changed files with 9 additions and 0 deletions
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Userland/DevTools/HackStudio/LanguageServers/Cpp/CppComprehensionEngine.cpp
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@@ -574,6 +574,7 @@ OwnPtr<CppComprehensionEngine::DocumentData> CppComprehensionEngine::create_docu
document_data->m_text = move(text);
document_data->m_preprocessor = make<Preprocessor>(document_data->m_filename, document_data->text());
document_data->preprocessor().set_ignore_unsupported_keywords(true);
document_data->preprocessor().set_ignore_invalid_statements(true);
document_data->preprocessor().set_keep_include_statements(true);
document_data->preprocessor().definitions_in_header_callback = [this](StringView include_path) -> Preprocessor::Definitions {