Files
libreoffice/compilerplugins/clang/test/unnecessaryparen.cxx
Stephan Bergmann 827de7f419 Clarify that loplugin:unnecessaryparen doesn't want to warn about sizeof
...for whatever reason

Change-Id: Iaae919dc6c636c4846c548914e593cb8bd94fe8b
2017-11-24 11:43:30 +01:00

70 lines
2.4 KiB
C++

/* -*- 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 <string>
#include <rtl/ustring.hxx>
bool foo(int);
enum class EFoo { Bar };
struct S { operator bool(); };
int main()
{
int x = 1;
x = ((2)); // expected-error {{parentheses around parentheses [loplugin:unnecessaryparen]}}
if ((foo(1))) foo(2); // expected-error {{parentheses immediately inside if statement [loplugin:unnecessaryparen]}}
foo((1)); // expected-error {{parentheses immediately inside single-arg call [loplugin:unnecessaryparen]}}
int y = (x); // expected-error {{unnecessary parentheses around identifier [loplugin:unnecessaryparen]}} expected-error {{parentheses immediately inside vardecl statement [loplugin:unnecessaryparen]}}
(void)y;
EFoo foo = EFoo::Bar;
switch (foo) {
case (EFoo::Bar): break; // expected-error {{parentheses immediately inside case statement [loplugin:unnecessaryparen]}}
}
int z = (y) ? 1 : 0; // expected-error {{unnecessary parentheses around identifier [loplugin:unnecessaryparen]}}
(void)z;
int v1 = (static_cast<short>(1)) + 1; // expected-error {{unnecessary parentheses around cast [loplugin:unnecessaryparen]}}
(void)v1;
// No warnings, used to silence -Wunreachable-code:
if ((false)) {
return 0;
}
x = (true) ? 0 : 1;
int v2 = (1); // expected-error {{parentheses immediately inside vardecl statement [loplugin:unnecessaryparen]}}
(void)v2;
std::string v3;
v3 = (std::string("xx") + "xx"); // expected-error {{parentheses immediately inside assignment [loplugin:unnecessaryparen]}}
(void)v3;
S s1;
if ((s1)) { // expected-error {{parentheses immediately inside if statement [loplugin:unnecessaryparen]}}
// expected-error@-1 {{unnecessary parentheses around identifier [loplugin:unnecessaryparen]}}
return 0;
}
S s2;
if ((s2 = s1)) {
return 0;
}
(void) sizeof (int);
(void) sizeof (x); // expect no warning (for whatever reason; for symmetry with above case?)
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */