forked from OSchip/llvm-project
90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
//===--- LangStandards.cpp - Language Standard Definitions ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/LangStandard.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace clang;
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#define LANGSTANDARD(id, name, lang, desc, features) \
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static const LangStandard Lang_##id = {name, desc, features, Language::lang};
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#include "clang/Basic/LangStandards.def"
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const LangStandard &LangStandard::getLangStandardForKind(Kind K) {
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switch (K) {
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case lang_unspecified:
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llvm::report_fatal_error("getLangStandardForKind() on unspecified kind");
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#define LANGSTANDARD(id, name, lang, desc, features) \
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case lang_##id: return Lang_##id;
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#include "clang/Basic/LangStandards.def"
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}
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llvm_unreachable("Invalid language kind!");
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}
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LangStandard::Kind LangStandard::getLangKind(StringRef Name) {
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return llvm::StringSwitch<Kind>(Name)
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#define LANGSTANDARD(id, name, lang, desc, features) .Case(name, lang_##id)
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#define LANGSTANDARD_ALIAS(id, alias) .Case(alias, lang_##id)
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#include "clang/Basic/LangStandards.def"
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.Default(lang_unspecified);
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}
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const LangStandard *LangStandard::getLangStandardForName(StringRef Name) {
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Kind K = getLangKind(Name);
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if (K == lang_unspecified)
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return nullptr;
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return &getLangStandardForKind(K);
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}
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LangStandard::Kind clang::getDefaultLanguageStandard(clang::Language Lang,
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const llvm::Triple &T) {
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switch (Lang) {
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case Language::Unknown:
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case Language::LLVM_IR:
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llvm_unreachable("Invalid input kind!");
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case Language::OpenCL:
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return LangStandard::lang_opencl12;
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case Language::OpenCLCXX:
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return LangStandard::lang_openclcpp10;
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case Language::CUDA:
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return LangStandard::lang_cuda;
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case Language::Asm:
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case Language::C:
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#if defined(CLANG_DEFAULT_STD_C)
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return CLANG_DEFAULT_STD_C;
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#else
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// The PS4 uses C99 as the default C standard.
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if (T.isPS4())
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return LangStandard::lang_gnu99;
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return LangStandard::lang_gnu17;
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#endif
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case Language::ObjC:
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#if defined(CLANG_DEFAULT_STD_C)
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return CLANG_DEFAULT_STD_C;
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#else
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return LangStandard::lang_gnu11;
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#endif
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case Language::CXX:
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case Language::ObjCXX:
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#if defined(CLANG_DEFAULT_STD_CXX)
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return CLANG_DEFAULT_STD_CXX;
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#else
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return LangStandard::lang_gnucxx14;
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#endif
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case Language::RenderScript:
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return LangStandard::lang_c99;
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case Language::HIP:
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return LangStandard::lang_hip;
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case Language::HLSL:
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return LangStandard::lang_hlsl2021;
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}
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llvm_unreachable("unhandled Language kind!");
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}
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