================ @@ -3912,3 +3896,56 @@ void clang::checkUnsafeBufferUsage(const Decl *D, } } } + +void clang::checkUnsafeBufferUsage(const Decl *D, + UnsafeBufferUsageHandler &Handler, + bool EmitSuggestions) { +#ifndef NDEBUG + Handler.clearDebugNotes(); +#endif + + assert(D); + + SmallVector<Stmt *> Stmts; + + if (const auto *FD = dyn_cast<FunctionDecl>(D)) { + // We do not want to visit a Lambda expression defined inside a method + // independently. Instead, it should be visited along with the outer method. + // FIXME: do we want to do the same thing for `BlockDecl`s? + if (const auto *MD = dyn_cast<CXXMethodDecl>(D)) { + if (MD->getParent()->isLambda() && MD->getParent()->isLocalClass()) + return; + } + + for (FunctionDecl *FReDecl : FD->redecls()) { + if (FReDecl->isExternC()) { + // Do not emit fixit suggestions for functions declared in an + // extern "C" block. + EmitSuggestions = false; + break; + } + } + + Stmts.push_back(FD->getBody()); + + if (const auto *ID = dyn_cast<CXXConstructorDecl>(D)) { ---------------- ziqingluo-90 wrote:
Is this equivalent to override `traverseCXXCtorInitializer` in `MatchDescendantVisitor` above (just like how you override ` TraverseCXXDefaultInitExpr`)? https://github.com/llvm/llvm-project/pull/91991 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits