compilerplugins/clang/test/sequenceloop.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <com/sun/star/uno/Sequence.hxx>
  11 #include <com/sun/star/uno/XInterface.hpp>
  12 #include <utility>
  13
  14 namespace test1
  15 {
  16 void foo(css::uno::Sequence<css::uno::Reference<css::uno::XInterface>>& aSeq)
  17 {
  18     // expected-error@+1 {{use std::as_const, or otherwise make the for-range-initializer expression const, to avoid creating a copy of the Sequence [loplugin:sequenceloop]}}
  19     for (const auto& x : aSeq)
  20         x.get();
  21     // no warning expected
  22     for (auto& x : aSeq)
  23         x.get();
  24     for (const auto& x : std::as_const(aSeq))
  25         x.get();
  26 }
  27 // no warning expected
  28 void foo2(const css::uno::Sequence<css::uno::Reference<css::uno::XInterface>>& aSeq)
  29 {
  30     for (const auto& x : aSeq)
  31         x.get();
  32 }
  33 };
  34
  35 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */