//===--- LangStandards.cpp - Language Standard Definitions ----------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include "clang/Basic/LangStandard.h" #include "clang/Config/config.h" #include "llvm/ADT/StringSwitch.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/TargetParser/Triple.h" using namespace clang; #define LANGSTANDARD(id, name, lang, desc, features) \ static const LangStandard Lang_##id = {name, desc, features, Language::lang}; #include "clang/Basic/LangStandards.def" const LangStandard &LangStandard::getLangStandardForKind(Kind K) { switch (K) { case lang_unspecified: llvm::report_fatal_error("getLangStandardForKind() on unspecified kind"); #define LANGSTANDARD(id, name, lang, desc, features) \ case lang_##id: return Lang_##id; #include "clang/Basic/LangStandards.def" } llvm_unreachable("Invalid language kind!"); } LangStandard::Kind LangStandard::getLangKind(StringRef Name) { return llvm::StringSwitch(Name) #define LANGSTANDARD(id, name, lang, desc, features) .Case(name, lang_##id) #define LANGSTANDARD_ALIAS(id, alias) .Case(alias, lang_##id) #include "clang/Basic/LangStandards.def" .Default(lang_unspecified); } const LangStandard *LangStandard::getLangStandardForName(StringRef Name) { Kind K = getLangKind(Name); if (K == lang_unspecified) return nullptr; return &getLangStandardForKind(K); } LangStandard::Kind clang::getDefaultLanguageStandard(clang::Language Lang, const llvm::Triple &T) { switch (Lang) { case Language::Unknown: case Language::LLVM_IR: llvm_unreachable("Invalid input kind!"); case Language::OpenCL: return LangStandard::lang_opencl12; case Language::OpenCLCXX: return LangStandard::lang_openclcpp10; case Language::Asm: case Language::C: // The PS4 uses C99 as the default C standard. if (T.isPS4()) return LangStandard::lang_gnu99; return LangStandard::lang_gnu17; case Language::ObjC: return LangStandard::lang_gnu11; case Language::CXX: case Language::ObjCXX: case Language::CUDA: case Language::HIP: return LangStandard::lang_gnucxx17; case Language::RenderScript: return LangStandard::lang_c99; case Language::HLSL: return LangStandard::lang_hlsl2021; } llvm_unreachable("unhandled Language kind!"); }