1 //===- LangOptions.cpp - C Language Family Language Options ---------------===// 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 // This file defines the LangOptions class. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "clang/Basic/LangOptions.h" 14 #include "llvm/ADT/SmallString.h" 15 #include "llvm/Support/Path.h" 16 17 using namespace clang; 18 19 LangOptions::LangOptions() : LangStd(LangStandard::lang_unspecified) { 20 #define LANGOPT(Name, Bits, Default, Description) Name = Default; 21 #define ENUM_LANGOPT(Name, Type, Bits, Default, Description) set##Name(Default); 22 #include "clang/Basic/LangOptions.def" 23 } 24 25 void LangOptions::resetNonModularOptions() { 26 #define LANGOPT(Name, Bits, Default, Description) 27 #define BENIGN_LANGOPT(Name, Bits, Default, Description) Name = Default; 28 #define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 29 Name = static_cast<unsigned>(Default); 30 #include "clang/Basic/LangOptions.def" 31 32 // These options do not affect AST generation. 33 NoSanitizeFiles.clear(); 34 XRayAlwaysInstrumentFiles.clear(); 35 XRayNeverInstrumentFiles.clear(); 36 37 CurrentModule.clear(); 38 IsHeaderFile = false; 39 } 40 41 bool LangOptions::isNoBuiltinFunc(StringRef FuncName) const { 42 for (unsigned i = 0, e = NoBuiltinFuncs.size(); i != e; ++i) 43 if (FuncName.equals(NoBuiltinFuncs[i])) 44 return true; 45 return false; 46 } 47 48 VersionTuple LangOptions::getOpenCLVersionTuple() const { 49 const int Ver = OpenCLCPlusPlus ? OpenCLCPlusPlusVersion : OpenCLVersion; 50 return VersionTuple(Ver / 100, (Ver % 100) / 10); 51 } 52 53 void LangOptions::remapPathPrefix(SmallString<256> &Path) const { 54 for (const auto &Entry : MacroPrefixMap) 55 if (llvm::sys::path::replace_path_prefix(Path, Entry.first, Entry.second)) 56 break; 57 } 58 59 FPOptions FPOptions::defaultWithoutTrailingStorage(const LangOptions &LO) { 60 FPOptions result(LO); 61 return result; 62 } 63 64 LLVM_DUMP_METHOD void FPOptions::dump() { 65 #define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \ 66 llvm::errs() << "\n " #NAME " " << get##NAME(); 67 #include "clang/Basic/FPOptions.def" 68 llvm::errs() << "\n"; 69 } 70 71 LLVM_DUMP_METHOD void FPOptionsOverride::dump() { 72 #define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \ 73 if (has##NAME##Override()) \ 74 llvm::errs() << "\n " #NAME " Override is " << get##NAME##Override(); 75 #include "clang/Basic/FPOptions.def" 76 llvm::errs() << "\n"; 77 } 78