From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 07:54:39 +0200 Subject: Adding upstream version 4:24.2.0. Signed-off-by: Daniel Baumann --- compilerplugins/clang/test/crosscast.cxx | 96 ++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 compilerplugins/clang/test/crosscast.cxx (limited to 'compilerplugins/clang/test/crosscast.cxx') diff --git a/compilerplugins/clang/test/crosscast.cxx b/compilerplugins/clang/test/crosscast.cxx new file mode 100644 index 0000000000..1135573371 --- /dev/null +++ b/compilerplugins/clang/test/crosscast.cxx @@ -0,0 +1,96 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +struct Base +{ + virtual ~Base(); +}; + +struct Derived : Base +{ +}; + +struct Virtual1 : virtual Base +{ +}; + +struct Virtual2 : virtual Base +{ +}; + +struct Virtual2a : Virtual2 +{ +}; + +struct Other +{ + virtual ~Other(); +}; + +struct[[clang::annotate("loplugin:crosscast")]] Ok { virtual ~Ok(); }; + +Base* up(Derived* p) { return dynamic_cast(p); } + +Base& up(Derived& p) { return dynamic_cast(p); } + +Derived* down(Base* p) { return dynamic_cast(p); } + +Derived& down(Base& p) { return dynamic_cast(p); } + +Base* self(Base* p) { return dynamic_cast(p); } + +Base& self(Base& p) { return dynamic_cast(p); } + +Virtual1* crossVirtual(Virtual2a* p) { return dynamic_cast(p); } + +Virtual1& crossVirtual(Virtual2a& p) { return dynamic_cast(p); } + +Base* crossFromOther(Other* p) +{ + // expected-error@+1 {{suspicious dynamic cross cast from 'Other *' to 'Base *' [loplugin:crosscast]}} + return dynamic_cast(p); +} + +Base& crossFromOther(Other& p) +{ + // expected-error@+1 {{suspicious dynamic cross cast from 'Other' to 'Base &' [loplugin:crosscast]}} + return dynamic_cast(p); +} + +Other* crossToOther(Base* p) +{ + // expected-error@+1 {{suspicious dynamic cross cast from 'Base *' to 'Other *' [loplugin:crosscast]}} + return dynamic_cast(p); +} + +Other& crossToOther(Base& p) +{ + // expected-error@+1 {{suspicious dynamic cross cast from 'Base' to 'Other &' [loplugin:crosscast]}} + return dynamic_cast(p); +} + +Base* crossFromOk(Ok* p) { return dynamic_cast(p); } + +Base& crossFromOk(Ok& p) { return dynamic_cast(p); } + +Ok* crossToOk(Base* p) { return dynamic_cast(p); } + +Ok& crossToOk(Base& p) { return dynamic_cast(p); } + +void* mostDerived(Base* p) { return dynamic_cast(p); } + +template T generic1(Base* p) { return dynamic_cast(p); } + +template T* generic2(Base* p) { return dynamic_cast(p); } + +template Derived* generic3(T p) { return dynamic_cast(p); } + +template Derived* generic4(T* p) { return dynamic_cast(p); } + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ -- cgit v1.2.3