1 //===--- Sanitizers.cpp - C Language Family Language Options ----*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 //  This file defines the classes from Sanitizers.h
11 //
12 //===----------------------------------------------------------------------===//
13 #include "clang/Basic/Sanitizers.h"
14 #include "clang/Basic/LLVM.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/ADT/StringSwitch.h"
17 #include "llvm/Support/MathExtras.h"
18 
19 using namespace clang;
20 
21 SanitizerSet::SanitizerSet() : Mask(0) {}
22 
23 bool SanitizerSet::has(SanitizerMask K) const {
24   assert(llvm::countPopulation(K) == 1);
25   return Mask & K;
26 }
27 
28 void SanitizerSet::set(SanitizerMask K, bool Value) {
29   assert(llvm::countPopulation(K) == 1);
30   Mask = Value ? (Mask | K) : (Mask & ~K);
31 }
32 
33 void SanitizerSet::clear() {
34   Mask = 0;
35 }
36 
37 bool SanitizerSet::empty() const {
38   return Mask == 0;
39 }
40 
41 SanitizerMask clang::parseSanitizerValue(StringRef Value, bool AllowGroups) {
42   SanitizerMask ParsedKind = llvm::StringSwitch<SanitizerMask>(Value)
43 #define SANITIZER(NAME, ID) .Case(NAME, SanitizerKind::ID)
44 #define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
45   .Case(NAME, AllowGroups ? SanitizerKind::ID##Group : 0)
46 #include "clang/Basic/Sanitizers.def"
47     .Default(0);
48   return ParsedKind;
49 }
50 
51 SanitizerMask clang::expandSanitizerGroups(SanitizerMask Kinds) {
52 #define SANITIZER(NAME, ID)
53 #define SANITIZER_GROUP(NAME, ID, ALIAS)                                       \
54   if (Kinds & SanitizerKind::ID##Group)                                        \
55     Kinds |= SanitizerKind::ID;
56 #include "clang/Basic/Sanitizers.def"
57   return Kinds;
58 }
59