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LibCpp: Add preprocessor option to ignore unsupported keywords

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Under some circumstances we need to ignore unsupported preprocessor
keywords instead of crashing the processing, for example during live
parsing in HackStudio.
This commit is contained in:
Vyacheslav Pukhanov 2021-03-17 21:18:08 +03:00 • committed by Andreas Kling
parent 711a47b784
commit 0b5d414eba
2 changed files with 11 additions and 2 deletions
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7
Userland/Libraries/LibCpp/Preprocessor.cpp
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@ -184,8 +184,11 @@ void Preprocessor::handle_preprocessor_line(const StringView& line)
lexer.consume_all();
return;
}
dbgln("Unsupported preprocessor keyword: {}", keyword);
VERIFY_NOT_REACHED();
if (!m_options.ignore_unsupported_keywords) {
dbgln("Unsupported preprocessor keyword: {}", keyword);
VERIFY_NOT_REACHED();
}
}
const String& Preprocessor::processed_text()

6
Userland/Libraries/LibCpp/Preprocessor.h
View file

@ -52,6 +52,8 @@ public:
const Definitions& definitions() const { return m_definitions; }
void set_ignore_unsupported_keywords(bool ignore) { m_options.ignore_unsupported_keywords = ignore; }
private:
void handle_preprocessor_line(const StringView&);
@ -74,5 +76,9 @@ private:
Vector<StringView> m_included_paths;
String m_processed_text;
struct Options {
bool ignore_unsupported_keywords { false };
} m_options;
};
}