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