1 //===--- SlicingCheck.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_CPPCOREGUIDELINES_SLICING_H 10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_SLICING_H 11 12 #include "../ClangTidyCheck.h" 13 14 namespace clang::tidy::cppcoreguidelines { 15 16 /// Flags slicing (incomplete copying of an object's state) of member variables 17 /// or vtable. See: 18 /// - https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#es63-dont-slice 19 /// for the former, and 20 /// - https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#c145-access-polymorphic-objects-through-pointers-and-references 21 /// for the latter 22 /// 23 /// For the user-facing documentation see: 24 /// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines/slicing.html 25 class SlicingCheck : public ClangTidyCheck { 26 public: SlicingCheck(StringRef Name,ClangTidyContext * Context)27 SlicingCheck(StringRef Name, ClangTidyContext *Context) 28 : ClangTidyCheck(Name, Context) {} 29 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 30 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 31 32 private: 33 void diagnoseSlicedOverriddenMethods(const Expr &Call, 34 const CXXRecordDecl &DerivedDecl, 35 const CXXRecordDecl &BaseDecl); 36 }; 37 38 } // namespace clang::tidy::cppcoreguidelines 39 40 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_SLICING_H 41