1 //===--- RawStringLiteralCheck.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_MODERNIZE_RAW_STRING_LITERAL_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_RAW_STRING_LITERAL_H
11 
12 #include "../ClangTidyCheck.h"
13 #include <bitset>
14 
15 namespace clang::tidy::modernize {
16 
17 using CharsBitSet = std::bitset<1 << CHAR_BIT>;
18 
19 /// This check replaces string literals with escaped characters to
20 /// raw string literals.
21 ///
22 /// For the user-facing documentation see:
23 /// http://clang.llvm.org/extra/clang-tidy/checks/modernize/raw-string-literal.html
24 class RawStringLiteralCheck : public ClangTidyCheck {
25 public:
26   RawStringLiteralCheck(StringRef Name, ClangTidyContext *Context);
27 
isLanguageVersionSupported(const LangOptions & LangOpts)28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
29     return LangOpts.CPlusPlus11;
30   }
31   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
32   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
33   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
34 
35 private:
36   void replaceWithRawStringLiteral(
37       const ast_matchers::MatchFinder::MatchResult &Result,
38       const StringLiteral *Literal, StringRef Replacement);
39 
40   std::string DelimiterStem;
41   CharsBitSet DisallowedChars;
42   const bool ReplaceShorterLiterals;
43 };
44 
45 } // namespace clang::tidy::modernize
46 
47 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_RAW_STRING_LITERAL_H
48