1 //===--- SuspiciousStringviewDataUsageCheck.h - clang-tidy -------//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 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SUSPICIOUSSTRINGVIEWDATAUSAGECHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SUSPICIOUSSTRINGVIEWDATAUSAGECHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::bugprone {
15 
16 /// Identifies suspicious usages of std::string_view::data() that could lead to
17 /// reading out-of-bounds data due to inadequate or incorrect string null
18 /// termination.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/suspicious-stringview-data-usage.html
22 class SuspiciousStringviewDataUsageCheck : public ClangTidyCheck {
23 public:
24   SuspiciousStringviewDataUsageCheck(StringRef Name, ClangTidyContext *Context);
25   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
26   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
27   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override;
29   std::optional<TraversalKind> getCheckTraversalKind() const override;
30 
31 private:
32   std::vector<llvm::StringRef> StringViewTypes;
33   std::vector<llvm::StringRef> AllowedCallees;
34 };
35 
36 } // namespace clang::tidy::bugprone
37 
38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_SUSPICIOUSSTRINGVIEWDATAUSAGECHECK_H
39