================ @@ -0,0 +1,167 @@ +//===--- UnsafeCrtpCheck.cpp - clang-tidy ---------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#include "UnsafeCrtpCheck.h" +#include "../utils/LexerUtils.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" + +using namespace clang::ast_matchers; + +namespace clang::tidy::bugprone { + +namespace { +// Finds a node if it's already a bound node. +AST_MATCHER_P(CXXRecordDecl, isBoundNode, std::string, ID) { + return Builder->removeBindings( + [&](const ast_matchers::internal::BoundNodesMap &Nodes) { + const auto *BoundRecord = Nodes.getNodeAs<CXXRecordDecl>(ID); + return BoundRecord != &Node; + }); +} + +bool hasPrivateConstructor(const CXXRecordDecl *RD) { + for (auto &&Ctor : RD->ctors()) { + if (Ctor->getAccess() == AS_private) + return true; + } + + return false; +} + +bool isDerivedParameterBefriended(const CXXRecordDecl *CRTP, + const NamedDecl *Param) { + for (auto &&Friend : CRTP->friends()) { + const auto *TTPT = + dyn_cast<TemplateTypeParmType>(Friend->getFriendType()->getType()); + + if (TTPT && TTPT->getDecl() == Param) + return true; + } + + return false; +} + +bool isDerivedClassBefriended(const CXXRecordDecl *CRTP, + const CXXRecordDecl *Derived) { + for (auto &&Friend : CRTP->friends()) { + if (Friend->getFriendType()->getType()->getAsCXXRecordDecl() == Derived) + return true; + } + + return false; +} + +std::optional<const NamedDecl *> +getDerivedParameter(const ClassTemplateSpecializationDecl *CRTP, ---------------- PiotrZSL wrote:
You still should be able to read 'T' from templateArgument() via [getAsTemplate](https://clang.llvm.org/doxygen/classclang_1_1TemplateArgument.html#a83db07b04d0629a21962a65e8a8bfcc3) () https://github.com/llvm/llvm-project/pull/82403 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
