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Add basic C++20 support

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This commit is contained in:
Minh Lu 2021-02-16 15:45:30 -08:00 • committed by Jonathan Müller
commit ce218dfb8a
4 changed files with 73 additions and 25 deletions
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8
tool/main.cpp
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@ -203,7 +203,7 @@ int main(int argc, char* argv[]) try
cxxopts::value<std::string>())
("database_file", "set the file name whose configuration will be used regardless of the current file name",
cxxopts::value<std::string>())
("std", "set the C++ standard (c++98, c++03, c++11, c++14, c++1z (experimental))",
("std", "set the C++ standard (c++98, c++03, c++11, c++14, c++1z (experimental), c++17, c++2a, c++20)",
cxxopts::value<std::string>()->default_value(cppast::to_string(cppast::cpp_standard::cpp_latest)))
("I,include_directory", "add directory to include search path",
cxxopts::value<std::vector<std::string>>())
@ -304,6 +304,12 @@ int main(int argc, char* argv[]) try
config.set_flags(cppast::cpp_standard::cpp_14, flags);
else if (options["std"].as<std::string>() == "c++1z")
config.set_flags(cppast::cpp_standard::cpp_1z, flags);
else if (options["std"].as<std::string>() == "c++17")
config.set_flags(cppast::cpp_standard::cpp_17, flags);
else if (options["std"].as<std::string>() == "c++2a")
config.set_flags(cppast::cpp_standard::cpp_2a, flags);
else if (options["std"].as<std::string>() == "c++20")
config.set_flags(cppast::cpp_standard::cpp_20, flags);
else
{
print_error("invalid value '" + options["std"].as<std::string>() + "' for std flag");