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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /compilerplugins/clang/test/oncevar.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compilerplugins/clang/test/oncevar.cxx')
-rw-r--r-- | compilerplugins/clang/test/oncevar.cxx | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/oncevar.cxx b/compilerplugins/clang/test/oncevar.cxx new file mode 100644 index 000000000..c8cc7bc13 --- /dev/null +++ b/compilerplugins/clang/test/oncevar.cxx @@ -0,0 +1,66 @@ +/* -*- 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/. + */ + +#include <rtl/ustring.hxx> + +/*int foo() { return 1; }*/ + +void call_value(int); +void call_const_ref(int const &); +void call_ref(int &); +void call_value(OUString); +void call_const_ref(OUString const &); +void call_ref(OUString &); + +template<typename T> void f() { + int i = sizeof (T) + 1; // expected-error {{var used only once, should be inlined or declared const [loplugin:oncevar]}} + call_value(i); // expected-note {{used here [loplugin:oncevar]}} +} +template void f<int>(); // needed for clang-cl + +class Foo; +void method1(const Foo**); + +int main() { +/* TODO + int i; + int x = 2; + if ( (i = foo()) == 0 ) { + x = 1; + } +*/ + + + int i1 = 2; // expected-error {{var used only once, should be inlined or declared const [loplugin:oncevar]}} + call_value(i1); // expected-note {{used here [loplugin:oncevar]}} + int i2 = 2; // expected-error {{var used only once, should be inlined or declared const [loplugin:oncevar]}} + call_const_ref(i2); // expected-note {{used here [loplugin:oncevar]}} + + // don't expect warnings here + int i3; + call_ref(i3); + int const i4 = 2; + call_value(i4); + + OUString s1("xxx"); // expected-error {{var used only once, should be inlined or declared const [loplugin:oncevar]}} + call_value(s1); // expected-note {{used here [loplugin:oncevar]}} + OUString s2("xxx"); // expected-error {{var used only once, should be inlined or declared const [loplugin:oncevar]}} + call_const_ref(s2); // expected-note {{used here [loplugin:oncevar]}} + + // don't expect warnings here + OUString s3; + call_ref(s3); + OUString const s4("xxx"); + call_value(s4); + + const Foo* pInternalArgs[] = { nullptr }; + method1(pInternalArgs); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |