Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 96 insertions, 0 deletions

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<Base*>(p); }
+
+Base& up(Derived& p) { return dynamic_cast<Base&>(p); }
+
+Derived* down(Base* p) { return dynamic_cast<Derived*>(p); }
+
+Derived& down(Base& p) { return dynamic_cast<Derived&>(p); }
+
+Base* self(Base* p) { return dynamic_cast<Base*>(p); }
+
+Base& self(Base& p) { return dynamic_cast<Base&>(p); }
+
+Virtual1* crossVirtual(Virtual2a* p) { return dynamic_cast<Virtual1*>(p); }
+
+Virtual1& crossVirtual(Virtual2a& p) { return dynamic_cast<Virtual1&>(p); }
+
+Base* crossFromOther(Other* p)
+{
+    // expected-error@+1 {{suspicious dynamic cross cast from 'Other *' to 'Base *' [loplugin:crosscast]}}
+    return dynamic_cast<Base*>(p);
+}
+
+Base& crossFromOther(Other& p)
+{
+    // expected-error@+1 {{suspicious dynamic cross cast from 'Other' to 'Base &' [loplugin:crosscast]}}
+    return dynamic_cast<Base&>(p);
+}
+
+Other* crossToOther(Base* p)
+{
+    // expected-error@+1 {{suspicious dynamic cross cast from 'Base *' to 'Other *' [loplugin:crosscast]}}
+    return dynamic_cast<Other*>(p);
+}
+
+Other& crossToOther(Base& p)
+{
+    // expected-error@+1 {{suspicious dynamic cross cast from 'Base' to 'Other &' [loplugin:crosscast]}}
+    return dynamic_cast<Other&>(p);
+}
+
+Base* crossFromOk(Ok* p) { return dynamic_cast<Base*>(p); }
+
+Base& crossFromOk(Ok& p) { return dynamic_cast<Base&>(p); }
+
+Ok* crossToOk(Base* p) { return dynamic_cast<Ok*>(p); }
+
+Ok& crossToOk(Base& p) { return dynamic_cast<Ok&>(p); }
+
+void* mostDerived(Base* p) { return dynamic_cast<void*>(p); }
+
+template <typename T> T generic1(Base* p) { return dynamic_cast<T>(p); }
+
+template <typename T> T* generic2(Base* p) { return dynamic_cast<T*>(p); }
+
+template <typename T> Derived* generic3(T p) { return dynamic_cast<Derived*>(p); }
+
+template <typename T> Derived* generic4(T* p) { return dynamic_cast<Derived*>(p); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */