1 //===--- ImplicitConversionInLoopCheck.h - clang-tidy------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_
12 
13 #include "../ClangTidy.h"
14 
15 namespace clang {
16 namespace tidy {
17 namespace performance {
18 
19 // Checks that in a for range loop, if the provided type is a reference, then
20 // the underlying type is the one returned by the iterator (i.e. that there
21 // isn't any implicit conversion).
22 class ImplicitConversionInLoopCheck : public ClangTidyCheck {
23 public:
ImplicitConversionInLoopCheck(StringRef Name,ClangTidyContext * Context)24   ImplicitConversionInLoopCheck(StringRef Name, ClangTidyContext *Context)
25       : ClangTidyCheck(Name, Context) {}
26   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
27   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
28 
29 private:
30   void ReportAndFix(const ASTContext *Context, const VarDecl *VD,
31                     const Expr *OperatorCall);
32 };
33 
34 } // namespace performance
35 } // namespace tidy
36 } // namespace clang
37 
38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PERFORMANCE_IMPLICIT_CONVERSION_IN_LOOP_CHECK_H_
39