//===--- SanitizerSpecialCaseList.cpp - SCL for sanitizers ----------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

// An extension of SpecialCaseList to allowing querying sections by

// SanitizerMask.

//

//===----------------------------------------------------------------------===//

#include "clang/Basic/SanitizerSpecialCaseList.h"

using namespace clang;

std::unique_ptr<SanitizerSpecialCaseList>

SanitizerSpecialCaseList::create(const std::vector<std::string> &Paths,

                                 llvm::vfs::FileSystem &VFS,

                                 std::string &Error) {

  std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL(

      new SanitizerSpecialCaseList());

  if (SSCL->createInternal(Paths, VFS, Error)) {

    SSCL->createSanitizerSections();

    return SSCL;

  }

  return nullptr;

}

std::unique_ptr<SanitizerSpecialCaseList>

SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths,

                                      llvm::vfs::FileSystem &VFS) {

  std::string Error;

  if (auto SSCL = create(Paths, VFS, Error))

    return SSCL;

  llvm::report_fatal_error(StringRef(Error));

}

void SanitizerSpecialCaseList::createSanitizerSections() {

  for (auto &It : Sections) {

    auto &S = It.second;

    SanitizerMask Mask;

#define SANITIZER(NAME, ID)                                                    \

  if (S.SectionMatcher->match(NAME))                                           \

    Mask |= SanitizerKind::ID;

#define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID)

#include "clang/Basic/Sanitizers.def"

#undef SANITIZER

#undef SANITIZER_GROUP

    SanitizerSections.emplace_back(Mask, S.Entries);

  }

}

bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix,

                                         StringRef Query,

                                         StringRef Category) const {

  for (auto &S : SanitizerSections)

    if ((S.Mask & Mask) &&

        SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category))

      return true;

  return false;

}