1 files changed, 45 insertions, 0 deletions
diff --git a/gnu/llvm/clang/lib/Basic/LangStandards.cpp b/gnu/llvm/clang/lib/Basic/LangStandards.cpp
new file mode 100644
index 00000000000..ee27bfd1211
--- /dev/null
+++ b/gnu/llvm/clang/lib/Basic/LangStandards.cpp
@@ -0,0 +1,45 @@
+//===--- 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 "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/ErrorHandling.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<Kind>(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);
+}
+
+