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return proper __cplusplus value for C++23 / improved preliminary C23 support #318

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merged 2 commits into from
Sep 12, 2023
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return proper __cplusplus value for C++23 / improved preliminary C23 support #318

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00169f5
return proper value for C++23 matching documentation at https://gcc.g…
firewave Sep 11, 2023
8f1060e
improved preliminary C23 support
firewave Sep 11, 2023
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8 changes: 5 additions & 3 deletions simplecpp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3674,10 +3674,12 @@ std::string simplecpp::getCStdString(const std::string &std)
return "201112L";
if (std == "c17" || std == "c18" || std == "iso9899:2017" || std == "iso9899:2018" || std == "gnu17"|| std == "gnu18")
return "201710L";
if (std == "c2x" || std == "gnu2x") {
if (std == "c23" || std == "gnu23" || std == "c2x" || std == "gnu2x") {
// supported by GCC 9+ and Clang 9+
// Clang 9, 10, 11, 12, 13 return "201710L"
return "202000L";
// Clang 14, 15, 16, 17 return "202000L"
// Clang 9, 10, 11, 12, 13, 14, 15, 16, 17 do not support "c23" and "gnu23"
return "202311L";
}
return "";
}
Expand All @@ -3701,7 +3703,7 @@ std::string simplecpp::getCppStdString(const std::string &std)
// GCC 11, 12, 13 return "202100L"
// Clang 12, 13, 14, 15, 16 do not support "c++23" and "gnu++23" and return "202101L"
// Clang 17, 18 return "202302L"
return "202100L"; // TODO: update value?
return "202302L";
}
if (std == "c++26" || std == "c++2c" || std == "gnu++26" || std == "gnu++2c") {
// supported by Clang 17+
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