a37c4e0fad
Preparing to moving most of implementation out of the header file. * https://github.com/llvm/llvm-project/pull/167280 --------- Co-authored-by: Naveen Seth Hanig <naveen.hanig@outlook.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===--- SanitizerSpecialCaseList.cpp - SCL for sanitizers ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// An extension of SpecialCaseList to allowing querying sections by
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// SanitizerMask.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/SanitizerSpecialCaseList.h"
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#include "llvm/ADT/STLExtras.h"
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using namespace clang;
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std::unique_ptr<SanitizerSpecialCaseList>
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SanitizerSpecialCaseList::create(const std::vector<std::string> &Paths,
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llvm::vfs::FileSystem &VFS,
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std::string &Error) {
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std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL(
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new SanitizerSpecialCaseList());
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if (SSCL->createInternal(Paths, VFS, Error)) {
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SSCL->createSanitizerSections();
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return SSCL;
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}
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return nullptr;
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}
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std::unique_ptr<SanitizerSpecialCaseList>
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SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths,
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llvm::vfs::FileSystem &VFS) {
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std::string Error;
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if (auto SSCL = create(Paths, VFS, Error))
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return SSCL;
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llvm::report_fatal_error(StringRef(Error));
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}
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void SanitizerSpecialCaseList::createSanitizerSections() {
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for (const auto &S : sections()) {
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SanitizerMask Mask;
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#define SANITIZER(NAME, ID) \
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if (S.matchName(NAME)) \
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Mask |= SanitizerKind::ID;
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#define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID)
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#include "clang/Basic/Sanitizers.def"
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#undef SANITIZER
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#undef SANITIZER_GROUP
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SanitizerSections.emplace_back(Mask, S);
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}
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}
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bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix,
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StringRef Query,
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StringRef Category) const {
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return inSectionBlame(Mask, Prefix, Query, Category) != NotFound;
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}
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std::pair<unsigned, unsigned>
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SanitizerSpecialCaseList::inSectionBlame(SanitizerMask Mask, StringRef Prefix,
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StringRef Query,
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StringRef Category) const {
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for (const auto &S : llvm::reverse(SanitizerSections)) {
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if (S.Mask & Mask) {
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unsigned LineNum = S.S.getLastMatch(Prefix, Query, Category);
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if (LineNum > 0)
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return {S.S.fileIndex(), LineNum};
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}
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}
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return NotFound;
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}
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