1 //===--- SlicingCheck.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_CPPCOREGUIDELINES_SLICING_H 11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_SLICING_H 12 13 #include "../ClangTidy.h" 14 15 namespace clang { 16 namespace tidy { 17 namespace cppcoreguidelines { 18 19 /// Flags slicing (incomplete copying of an object's state) of member variables 20 /// or vtable. See: 21 /// - https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#es63-dont-slice 22 /// for the former, and 23 /// - https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#c145-access-polymorphic-objects-through-pointers-and-references 24 /// for the latter 25 /// 26 /// For the user-facing documentation see: 27 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-slicing.html 28 class SlicingCheck : public ClangTidyCheck { 29 public: 30 SlicingCheck(StringRef Name, ClangTidyContext *Context) 31 : ClangTidyCheck(Name, Context) {} 32 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 33 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 34 35 private: 36 void DiagnoseSlicedOverriddenMethods(const Expr &call, 37 const CXXRecordDecl &DerivedDecl, 38 const CXXRecordDecl &BaseDecl); 39 }; 40 41 } // namespace cppcoreguidelines 42 } // namespace tidy 43 } // namespace clang 44 45 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_SLICING_H 46