office-gobmx/compilerplugins/clang/test/constparams.cxx
Noel Grandin 3b8e53f66f loplugin:constparams improve handling of pointer params
Change-Id: I4c0002e72703eded435bfe4985f5b0121bf8524b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/122843
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2021-09-30 11:24:33 +02:00

73 lines
1.9 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>
#pragma clang diagnostic ignored "-Wunknown-warning-option" // for Clang < 13
#pragma clang diagnostic ignored "-Wunused-but-set-variable"
struct Class1
{
int const * m_f1;
Class1(int * f1) : m_f1(f1) {} // expected-error {{this parameter can be const Class1::Class1 [loplugin:constparams]}}
};
struct Class2
{
int * m_f2;
Class2(int * f2) : m_f2(f2) {}
};
struct Class3
{
int * m_f2;
Class3(void * f2) : m_f2(static_cast<int*>(f2)) {}
};
int const * f1(int *); // expected-note {{canonical parameter declaration here [loplugin:constparams]}}
int const * f2(int *);
int const * f3(int *);
void g() {
int const * (*p1)(int *);
int n = 0;
f1(&n);
p1 = f2;
typedef void (*P2)();
P2 p2;
p2 = (P2) (f3);
}
int const * f1(int * p) { // expected-error {{this parameter can be const f1 [loplugin:constparams]}}
return p;
}
void f4(std::string * p) {
*p = std::string("xxx");
}
namespace test5
{
struct Rectangle {};
struct Foo
{
void CallConst(const Rectangle*);
void CallNonConst(Rectangle*);
// expected-error@+1 {{this parameter can be const test5::Foo::ImplInvalidateParentFrameRegion [loplugin:constparams]}}
void ImplInvalidateParentFrameRegion( Rectangle& rRegion )
{
CallConst( &rRegion );
}
// no warning expected
void ImplInvalidateParentFrameRegion2( Rectangle& rRegion )
{
CallNonConst( &rRegion );
}
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */