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

//===--- TemplateVirtualMemberFunctionCheck.h - clang-tidy ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_TEMPLATEVIRTUALMEMBERFUNCTIONCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_TEMPLATEVIRTUALMEMBERFUNCTIONCHECK_H

#include "../ClangTidyCheck.h"

namespace clang::tidy::portability {

/// Upon instantiating a template class, non-virtual member functions don't have
/// to be instantiated unless they are used. Virtual member function
/// instantiation on the other hand is unspecified and depends on the
/// implementation of the compiler. This check intends to find cases when a
/// virtual member function is not instantiated but it might be with a different
/// compiler.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/portability/template-virtual-member-function.html
class TemplateVirtualMemberFunctionCheck : public ClangTidyCheck {
public:
  TemplateVirtualMemberFunctionCheck(StringRef Name, ClangTidyContext *Context)
      : ClangTidyCheck(Name, Context) {}
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
    return LangOpts.CPlusPlus;
  }
};

} // namespace clang::tidy::portability

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_PORTABILITY_TEMPLATEVIRTUALMEMBERFUNCTIONCHECK_H