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Revert "LibJS: Revert common error types to only hold a single string"

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This reverts commit 695bbcb991.

Despite improving performance on my Linux machine, this managed to tank
performance on the Linux benchmark machine.
This commit is contained in:
Timothy Flynn 2025-08-18 06:21:59 -04:00 • committed by Jelle Raaijmakers
commit 5ec70bd00a
Notes: github-actions[bot] 2025-08-18 11:43:29 +00:00
2 changed files with 14 additions and 6 deletions
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9
Libraries/LibJS/Runtime/ErrorTypes.cpp
View file

@ -9,8 +9,15 @@
namespace JS {
#define __ENUMERATE_JS_ERROR(name, message) \
const ErrorType ErrorType::name = ErrorType(message##_utf16);
const ErrorType ErrorType::name = ErrorType(message##sv);
JS_ENUMERATE_ERROR_TYPES(__ENUMERATE_JS_ERROR)
#undef __ENUMERATE_JS_ERROR
Utf16String const& ErrorType::message() const
{
if (m_message.is_empty())
m_message = Utf16String::from_utf8_without_validation(m_format);
return m_message;
}
}

11
Libraries/LibJS/Runtime/ErrorTypes.h
View file

@ -314,16 +314,17 @@ public:
JS_ENUMERATE_ERROR_TYPES(__ENUMERATE_JS_ERROR)
#undef __ENUMERATE_JS_ERROR
StringView format() const { return m_message.ascii_view(); }
Utf16String const& message() const { return m_message; }
StringView format() const { return m_format; }
Utf16String const& message() const;
private:
explicit ErrorType(Utf16String message)
: m_message(move(message))
explicit ErrorType(StringView format)
: m_format(format)
{
}
Utf16String m_message;
StringView m_format;
mutable Utf16String m_message;
};
}