enhance useuniqueptr loplugin

teach it to look for the following sequence in a destructor:
delete m_pfoo;
m_pfoo = nullptr;

Change-Id: Icd6271a63a024e32b53cc9e599f8f59952160380
Reviewed-on: https://gerrit.libreoffice.org/37900
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 2 insertions, 5 deletions

diff --git a/vcl/source/control/field2.cxx b/vcl/source/control/field2.cxx
index dc36c0526735..ac9bb2b16305 100644
--- a/vcl/source/control/field2.cxx
+++ b/vcl/source/control/field2.cxx
@@ -1426,14 +1426,11 @@ DateFormatter::DateFormatter() :
 
 DateFormatter::~DateFormatter()
 {
-    delete mpCalendarWrapper;
-    mpCalendarWrapper = nullptr;
 }
 
 void DateFormatter::SetLocale( const css::lang::Locale& rLocale )
 {
-    delete mpCalendarWrapper;
-    mpCalendarWrapper = nullptr;
+    mpCalendarWrapper.reset();
     FormatterBase::SetLocale( rLocale );
 }
 
@@ -1441,7 +1438,7 @@ CalendarWrapper& DateFormatter::GetCalendarWrapper() const
 {
     if ( !mpCalendarWrapper )
     {
-        const_cast<DateFormatter*>(this)->mpCalendarWrapper = new CalendarWrapper( comphelper::getProcessComponentContext() );
+        const_cast<DateFormatter*>(this)->mpCalendarWrapper.reset( new CalendarWrapper( comphelper::getProcessComponentContext() ) );
         mpCalendarWrapper->loadDefaultCalendar( GetLocale() );
     }