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      1 //===--- SanitizerSpecialCaseList.h - SCL for sanitizers --------*- C++ -*-===//
      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 // An extension of SpecialCaseList to allowing querying sections by
     10 // SanitizerMask.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef LLVM_CLANG_BASIC_SANITIZERSPECIALCASELIST_H
     15 #define LLVM_CLANG_BASIC_SANITIZERSPECIALCASELIST_H
     16 
     17 #include "clang/Basic/LLVM.h"
     18 #include "clang/Basic/Sanitizers.h"
     19 #include "llvm/ADT/StringRef.h"
     20 #include "llvm/Support/SpecialCaseList.h"
     21 #include <memory>
     22 #include <vector>
     23 
     24 namespace llvm {
     25 namespace vfs {
     26 class FileSystem;
     27 }
     28 } // namespace llvm
     29 
     30 namespace clang {
     31 
     32 class SanitizerSpecialCaseList : public llvm::SpecialCaseList {
     33 public:
     34   static std::unique_ptr<SanitizerSpecialCaseList>
     35   create(const std::vector<std::string> &Paths, llvm::vfs::FileSystem &VFS,
     36          std::string &Error);
     37 
     38   static std::unique_ptr<SanitizerSpecialCaseList>
     39   createOrDie(const std::vector<std::string> &Paths,
     40               llvm::vfs::FileSystem &VFS);
     41 
     42   // Query ignorelisted entries if any bit in Mask matches the entry's section.
     43   bool inSection(SanitizerMask Mask, StringRef Prefix, StringRef Query,
     44                  StringRef Category = StringRef()) const;
     45 
     46 protected:
     47   // Initialize SanitizerSections.
     48   void createSanitizerSections();
     49 
     50   struct SanitizerSection {
     51     SanitizerSection(SanitizerMask SM, SectionEntries &E)
     52         : Mask(SM), Entries(E){};
     53 
     54     SanitizerMask Mask;
     55     SectionEntries &Entries;
     56   };
     57 
     58   std::vector<SanitizerSection> SanitizerSections;
     59 };
     60 
     61 } // end namespace clang
     62 
     63 #endif
     64