================ @@ -0,0 +1,32 @@ +//===--- BitCastPointersCheck.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 "BitCastPointersCheck.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" + +using namespace clang::ast_matchers; + +namespace clang::tidy::bugprone { + +void BitCastPointersCheck::registerMatchers(MatchFinder *Finder) { + auto IsPointerType = refersToType(qualType(isAnyPointer())); + Finder->addMatcher(callExpr(callee(functionDecl(allOf( + hasName("::std::bit_cast"), + hasTemplateArgument(0, IsPointerType), + hasTemplateArgument(1, IsPointerType))))) + .bind("x"), + this); +} + +void BitCastPointersCheck::check(const MatchFinder::MatchResult &Result) { + if (const auto *MatchedDecl = Result.Nodes.getNodeAs<CallExpr>("x")) ---------------- 5chmidti wrote:
> Note that the `getNodeAs` can return a nullptr even if there is a match, but > it was not possible to cast to the chosen type. true > it's done in many tidy checks and is cheap to do I think some of the newer ones don't do that, but yes, it is cheap. https://github.com/llvm/llvm-project/pull/108083 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
