/* -*- 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/.
*/
#ifdefined _WIN32 //TODO, see corresponding TODO in compilerplugins/clang/writeonlyvars.cxx // expected-no-diagnostics #else
// See 1d0bc2139759f087d50432f8a2116060676f34e1 "use std::experimental::source_location in // uno::Exception" modification to // workdir/UnoApiHeadersTarget/udkapi/normal/com/sun/star/uno/Exception.hdl, which is indirectly // included through the above #include directives, in turn causing conditional inclusion of // include/o3tl/runtimetooustring.hxx (and where `ok` is only read in an assert in !NDEBUG builds): #ifdefined LIBO_USE_SOURCE_LOCATION // expected-error@o3tl/runtimetooustring.hxx:* {{read s [loplugin:writeonlyvars]}} // expected-error@o3tl/runtimetooustring.hxx:* {{write s [loplugin:writeonlyvars]}} // expected-error@o3tl/safeint.hxx:* {{read res [loplugin:writeonlyvars]}} #if !defined NDEBUG // expected-error@o3tl/runtimetooustring.hxx:* {{read ok [loplugin:writeonlyvars]}} #endif #endif
namespace Bar
{ void test()
{ // check that we DON'T see reads here // expected-error@+1 {{write m_bar3 [loplugin:writeonlyvars]}} int* m_bar3; // expected-error@+1 {{write m_bar3b [loplugin:writeonlyvars]}} int* m_bar3b;
m_bar3 = nullptr;
m_bar3b = m_bar3 = nullptr;
(void)m_bar3b;
// check that we see reads of field when passed to a function pointer // check that we see read of a field that is a function pointer // expected-error@+2 {{write m_bar4 [loplugin:writeonlyvars]}} // expected-error@+1 {{read m_bar4 [loplugin:writeonlyvars]}} int m_bar4; // expected-error@+1 {{read m_barfunctionpointer [loplugin:writeonlyvars]}} void (*m_barfunctionpointer)(int&) = nullptr;
m_barfunctionpointer(m_bar4);
// check that we see reads of a field when used in variable init // expected-error@+1 {{read m_bar5 [loplugin:writeonlyvars]}} int m_bar5 = 1; int x = m_bar5;
(void)x;
// check that we see reads of a field when used in ranged-for // expected-error@+1 {{read m_bar6 [loplugin:writeonlyvars]}}
std::vector<int> m_bar6; for (auto i : m_bar6)
{
(void)i;
}
// check that we see writes of array fields // expected-error@+1 {{write m_bar7 [loplugin:writeonlyvars]}} int m_bar7[5];
m_bar7[3] = 1;
// check that we see reads when a field is used in an array expression // expected-error@+1 {{read m_bar8 [loplugin:writeonlyvars]}} int m_bar8 = 1; // expected-error@+1 {{read tmp [loplugin:writeonlyvars]}} char tmp[5]; auto x2 = tmp[m_bar8];
(void)x2;
// check that we don't see reads when calling operator>>= // expected-error@+1 {{write m_bar9 [loplugin:writeonlyvars]}}
sal_Int32 m_bar9; // expected-error@+1 {{read any [loplugin:writeonlyvars]}}
css::uno::Any any;
any >>= m_bar9;
// check that we don't see writes when calling operator<<= // expected-error@+1 {{read m_bar10 [loplugin:writeonlyvars]}}
sal_Int32 m_bar10 = 0; // expected-error@+2 {{write any2 [loplugin:writeonlyvars]}} // expected-error@+1 {{read any2 [loplugin:writeonlyvars]}}
css::uno::Any any2;
any2 <<= m_bar10;
(void)any2;
};
};
struct ReadOnly1
{
ReadOnly1(int&);
};
namespace ReadOnlyAnalysis
{ void method1(int&);
void test()
{ // check that we see a write when we pass by non-const ref // expected-error@+2 {{read m_f2 [loplugin:writeonlyvars]}} // expected-error@+1 {{write m_f2 [loplugin:writeonlyvars]}} int m_f2;
method1(m_f2);
// check that we see a write when we pass by non-const ref // expected-error@+2 {{read m_f5 [loplugin:writeonlyvars]}} // expected-error@+1 {{write m_f5 [loplugin:writeonlyvars]}} int m_f5;
ReadOnly1 a(m_f5);
// check that we see a write when we pass by non-const ref // expected-error@+2 {{read m_f6 [loplugin:writeonlyvars]}} // expected-error@+1 {{write m_f6 [loplugin:writeonlyvars]}} int m_f6; // expected-error@+1 {{write r [loplugin:writeonlyvars]}} int& r = m_f6;
r = 1;
};
};
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