diff options
author | Noel Grandin <noel.grandin@collabora.co.uk> | 2019-04-10 18:38:10 +0200 |
---|---|---|
committer | Noel Grandin <noel.grandin@collabora.co.uk> | 2019-04-11 08:52:49 +0200 |
commit | b65f3fbb2beea99273371179703fcbc1d0ff326e (patch) | |
tree | 367cc5f7e1e10e3d2cebb88f649a1aef62ed80fe /compilerplugins/clang/test/sequentialassign.cxx | |
parent | 577b95f4d0cc1cf8836ff35fc30189c64fefb508 (diff) |
new loplugin sequentialassign
Look for places we are assigning to the same variable twice
in succession, which means we can simplify that to a single assign
Change-Id: I499d20e28f5595e81e927bef8e1bf364eea8ba91
Reviewed-on: https://gerrit.libreoffice.org/70531
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Diffstat (limited to 'compilerplugins/clang/test/sequentialassign.cxx')
-rw-r--r-- | compilerplugins/clang/test/sequentialassign.cxx | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/compilerplugins/clang/test/sequentialassign.cxx b/compilerplugins/clang/test/sequentialassign.cxx new file mode 100644 index 000000000000..e656e1a7a304 --- /dev/null +++ b/compilerplugins/clang/test/sequentialassign.cxx @@ -0,0 +1,95 @@ +/* -*- 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> + +namespace test1 +{ +void f(OUString s1) +{ + OUString s2 = s1; + // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}} + s2 = s2.getToken(0, '('); +} +} + +namespace test2 +{ +OUString s2; +void f(OUString s1) +{ + s2 = s1; + // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}} + s2 = s2.getToken(0, '('); +} +} + +namespace test3 +{ +struct VolumeInfo +{ + OUString getFileSystemName(); +}; +OUString aNullURL(""); +void f(VolumeInfo _aVolumeInfo) +{ + OUString aFileSysName(aNullURL); + // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}} + aFileSysName = _aVolumeInfo.getFileSystemName(); +} +} + +namespace test4 +{ +struct B3DVector +{ + B3DVector getPerpendicular(); +}; +void f(B3DVector aNewVPN) +{ + B3DVector aNewToTheRight = aNewVPN; + // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}} + aNewToTheRight = aNewToTheRight.getPerpendicular(); +} +} + +namespace test5 +{ +void f(OUString s, int x) +{ + int nPos = x; + // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}} + nPos = s.indexOf("x", nPos); +} +} + +namespace test6 +{ +void f() +{ + OUString s2("xxxx"); + s2 = s2.getToken(0, '('); // no warning expected +} +} + +namespace test7 +{ +class Class1 +{ + OUString m_field1; + void foo(Class1& rOther) + { + OUString s = rOther.m_field1; + // expected-error@+1 {{simplify by merging with the preceding assignment [loplugin:sequentialassign]}} + s = s.copy(1, 2); + } +}; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ |