clang-tools-extra/clang-tidy/portability/TemplateVirtualMemberFunctionCheck.h

   1 //===--- TemplateVirtualMemberFunctionCheck.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_PORTABILITY_TEMPLATEVIRTUALMEMBERFUNCTIONCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_TEMPLATEVIRTUALMEMBERFUNCTIONCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::portability {
  15
  16 /// Upon instantiating a template class, non-virtual member functions don't have
  17 /// to be instantiated unless they are used. Virtual member function
  18 /// instantiation on the other hand is unspecified and depends on the
  19 /// implementation of the compiler. This check intends to find cases when a
  20 /// virtual member function is not instantiated but it might be with a different
  21 /// compiler.
  22 ///
  23 /// For the user-facing documentation see:
  24 /// http://clang.llvm.org/extra/clang-tidy/checks/portability/template-virtual-member-function.html
  25 class TemplateVirtualMemberFunctionCheck : public ClangTidyCheck {
  26 public:
  27   TemplateVirtualMemberFunctionCheck(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   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  32     return LangOpts.CPlusPlus;
  33   }
  34 };
  35
  36 } // namespace clang::tidy::portability
  37
  38 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_TEMPLATEVIRTUALMEMBERFUNCTIONCHECK_H