1 //===--- ImplicitConversionInLoopCheck.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_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang {
15 namespace tidy {
16 namespace performance {
17 
18 // Checks that in a for range loop, if the provided type is a reference, then
19 // the underlying type is the one returned by the iterator (i.e. that there
20 // isn't any implicit conversion).
21 class ImplicitConversionInLoopCheck : public ClangTidyCheck {
22 public:
ImplicitConversionInLoopCheck(StringRef Name,ClangTidyContext * Context)23   ImplicitConversionInLoopCheck(StringRef Name, ClangTidyContext *Context)
24       : ClangTidyCheck(Name, Context) {}
isLanguageVersionSupported(const LangOptions & LangOpts)25       bool isLanguageVersionSupported(const LangOptions &LangOpts) const override{
26         return LangOpts.CPlusPlus11;
27       }
28   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
29   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
30 
31 private:
32   void ReportAndFix(const ASTContext *Context, const VarDecl *VD,
33                     const Expr *OperatorCall);
34 };
35 
36 } // namespace performance
37 } // namespace tidy
38 } // namespace clang
39 
40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_
41