contrib/llvm/tools/clang/lib/Basic/Sanitizers.cpp

   1 //===- Sanitizers.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 classes from Sanitizers.h
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "clang/Basic/Sanitizers.h"
  14 #include "llvm/ADT/Hashing.h"
  15 #include "llvm/ADT/StringSwitch.h"
  16
  17 using namespace clang;
  18
  19 // Once LLVM switches to C++17, the constexpr variables can be inline and we
  20 // won't need this.
  21 #define SANITIZER(NAME, ID) constexpr SanitizerMask SanitizerKind::ID;
  22 #define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
  23   constexpr SanitizerMask SanitizerKind::ID;                                   \
  24   constexpr SanitizerMask SanitizerKind::ID##Group;
  25 #include "clang/Basic/Sanitizers.def"
  26
  27 SanitizerMask clang::parseSanitizerValue(StringRef Value, bool AllowGroups) {
  28   SanitizerMask ParsedKind = llvm::StringSwitch<SanitizerMask>(Value)
  29 #define SANITIZER(NAME, ID) .Case(NAME, SanitizerKind::ID)
  30 #define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
  31   .Case(NAME, AllowGroups ? SanitizerKind::ID##Group : SanitizerMask())
  32 #include "clang/Basic/Sanitizers.def"
  33     .Default(SanitizerMask());
  34   return ParsedKind;
  35 }
  36
  37 SanitizerMask clang::expandSanitizerGroups(SanitizerMask Kinds) {
  38 #define SANITIZER(NAME, ID)
  39 #define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
  40   if (Kinds & SanitizerKind::ID##Group)                                        \
  41     Kinds |= SanitizerKind::ID;
  42 #include "clang/Basic/Sanitizers.def"
  43   return Kinds;
  44 }
  45
  46 llvm::hash_code SanitizerMask::hash_value() const {
  47   return llvm::hash_combine_range(&maskLoToHigh[0], &maskLoToHigh[kNumElem]);
  48 }
  49
  50 namespace clang {
  51 llvm::hash_code hash_value(const clang::SanitizerMask &Arg) {
  52   return Arg.hash_value();
  53 }
  54 } // namespace clang