clang/lib/Basic/LangStandards.cpp

   1 //===--- LangStandards.cpp - Language Standard Definitions ----------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "clang/Basic/LangStandard.h"
  10 #include "llvm/ADT/StringSwitch.h"
  11 #include "llvm/Support/ErrorHandling.h"
  12 using namespace clang;
  13
  14 #define LANGSTANDARD(id, name, lang, desc, features)                           \
  15   static const LangStandard Lang_##id = {name, desc, features, Language::lang};
  16 #include "clang/Basic/LangStandards.def"
  17
  18 const LangStandard &LangStandard::getLangStandardForKind(Kind K) {
  19   switch (K) {
  20   case lang_unspecified:
  21     llvm::report_fatal_error("getLangStandardForKind() on unspecified kind");
  22 #define LANGSTANDARD(id, name, lang, desc, features) \
  23     case lang_##id: return Lang_##id;
  24 #include "clang/Basic/LangStandards.def"
  25   }
  26   llvm_unreachable("Invalid language kind!");
  27 }
  28
  29 LangStandard::Kind LangStandard::getLangKind(StringRef Name) {
  30   return llvm::StringSwitch<Kind>(Name)
  31 #define LANGSTANDARD(id, name, lang, desc, features) .Case(name, lang_##id)
  32 #define LANGSTANDARD_ALIAS(id, alias) .Case(alias, lang_##id)
  33 #include "clang/Basic/LangStandards.def"
  34       .Default(lang_unspecified);
  35 }
  36
  37 const LangStandard *LangStandard::getLangStandardForName(StringRef Name) {
  38   Kind K = getLangKind(Name);
  39   if (K == lang_unspecified)
  40     return nullptr;
  41
  42   return &getLangStandardForKind(K);
  43 }
  44
  45