LibreOffice Module comphelper (master) 1
scopeguard.hxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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18 */
19
20#ifndef INCLUDED_COMPHELPER_SCOPEGUARD_HXX
21#define INCLUDED_COMPHELPER_SCOPEGUARD_HXX
22
23#include <sal/config.h>
24
25#include <utility>
26
27#include <o3tl/deleter.hxx>
28
29// For some reason, Android buildbot issues -Werror like this:
30// In file included from
31// /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:50:
32// /home/android/lo/master-android-arm/include/comphelper/scopeguard.hxx:36:14:
33// error: function 'comphelper::<deduction guide for ScopeGuard><(lambda at
34// /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:34)>'
35// has internal linkage but is not defined [-Werror,-Wundefined-internal]
36// explicit ScopeGuard( Func && func ) : m_func( std::move(func) ) {}
37// ^
38// /home/android/lo/master-android-arm/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx:146:28:
39// note: used here
40// comphelper::ScopeGuard guard([&]() {
41// ^
42#ifdef ANDROID
43#if defined __clang__
44#pragma clang diagnostic push
45#pragma clang diagnostic ignored "-Wundefined-internal"
46#endif
47#endif
48
49
50namespace comphelper {
51
54template <class Func> class ScopeGuard
55{
56public:
59 explicit ScopeGuard( Func && func ) : m_func( std::move(func) ) {}
60
62 {
63 if (m_bDismissed)
64 return;
66 }
67
71 void dismiss() { m_bDismissed = true; }
72
73private:
74 // noncopyable until we have good reasons...
75 ScopeGuard(const ScopeGuard&) = delete;
76 ScopeGuard& operator=(const ScopeGuard&) = delete;
77
78 Func m_func;
79 bool m_bDismissed = false;
80};
81
82} // namespace comphelper
83
84#ifdef ANDROID
85#if defined __clang__
86#pragma clang diagnostic pop
87#endif
88#endif
89
90#endif // ! defined(INCLUDED_COMPHELPER_SCOPEGUARD_HXX)
91
92/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
ScopeGuard to ease writing exception-safe code.
Definition: scopeguard.hxx:55
ScopeGuard(Func &&func)
Definition: scopeguard.hxx:59
void dismiss()
Dismisses the scope guard, i.e.
Definition: scopeguard.hxx:71
ScopeGuard(const ScopeGuard &)=delete
ScopeGuard & operator=(const ScopeGuard &)=delete
#define suppress_fun_call_w_exception(expr)