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| author | Mital Ashok <mital@mitalashok.co.uk> | 2024-07-17 13:14:31 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-07-17 14:14:31 +0200 |
| commit | 329e7c80ac2dbc16c267390da5f1baaf1cd438b1 (patch) | |
| tree | 3569654f181d927e965ddb2b2210bba870b8aa2e /clang/lib/Frontend/InitPreprocessor.cpp | |
| parent | 1813ffd6b2eb04ee2c296a4399a18748740a439d (diff) | |
| download | llvm-329e7c80ac2dbc16c267390da5f1baaf1cd438b1.zip llvm-329e7c80ac2dbc16c267390da5f1baaf1cd438b1.tar.gz llvm-329e7c80ac2dbc16c267390da5f1baaf1cd438b1.tar.bz2 | |
[Clang] [C23] Implement N2653: u8 strings are char8_t[] (#97208)
https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2653.htm
Closes #97202
---------
Co-authored-by: cor3ntin <corentinjabot@gmail.com>
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index d40d78a..920ddf7 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -1170,6 +1170,8 @@ static void InitializePredefinedMacros(const TargetInfo &TI, DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder); DefineType("__WINT_TYPE__", TI.getWIntType(), Builder); DefineTypeSizeAndWidth("__SIG_ATOMIC", TI.getSigAtomicType(), TI, Builder); + if (LangOpts.C23) + DefineType("__CHAR8_TYPE__", TI.UnsignedChar, Builder); DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder); DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder); @@ -1349,8 +1351,10 @@ static void InitializePredefinedMacros(const TargetInfo &TI, getLockFreeValue(TI.get##Type##Width(), TI)); DEFINE_LOCK_FREE_MACRO(BOOL, Bool); DEFINE_LOCK_FREE_MACRO(CHAR, Char); - if (LangOpts.Char8) - DEFINE_LOCK_FREE_MACRO(CHAR8_T, Char); // Treat char8_t like char. + // char8_t has the same representation / width as unsigned + // char in C++ and is a typedef for unsigned char in C23 + if (LangOpts.Char8 || LangOpts.C23) + DEFINE_LOCK_FREE_MACRO(CHAR8_T, Char); DEFINE_LOCK_FREE_MACRO(CHAR16_T, Char16); DEFINE_LOCK_FREE_MACRO(CHAR32_T, Char32); DEFINE_LOCK_FREE_MACRO(WCHAR_T, WChar); |