loplugin:useuniqueptr in SbUnoStructRefObject

now that we have upgraded to VS2017, we can use std::unique_ptr in
std::map

Change-Id: Id01af07ccae7447405b8f0bc44b08043f453e54b
Reviewed-on: https://gerrit.libreoffice.org/57384
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

basic/source/classes/sbunoobj.cxx

@@ -20,6 +20,7 @@
 #include <sal/config.h>
 
 #include <o3tl/any.hxx>
+#include <o3tl/make_unique.hxx>
 #include <osl/mutex.hxx>
 #include <vcl/svapp.hxx>
 #include <vcl/errcode.hxx>
@@ -4636,8 +4637,6 @@ SbUnoStructRefObject::SbUnoStructRefObject( const OUString& aName_, const Struct
 
 SbUnoStructRefObject::~SbUnoStructRefObject()
 {
-    for (auto const& field : maFields)
-        delete field.second;
 }
 
 void SbUnoStructRefObject::initMemberCache()
@@ -4659,7 +4658,7 @@ void SbUnoStructRefObject::initMemberCache()
         for ( sal_Int32 nPos = pCompTypeDescr->nMembers; nPos--; )
         {
             OUString aName( ppNames[nPos] );
-            maFields[ aName ] = new StructRefInfo( maMemberInfo.getRootAnyRef(), ppTypeRefs[nPos], maMemberInfo.getPos() + pMemberOffsets[nPos] );
+            maFields[ aName ] = o3tl::make_unique<StructRefInfo>( maMemberInfo.getRootAnyRef(), ppTypeRefs[nPos], maMemberInfo.getPos() + pMemberOffsets[nPos] );
         }
     }
     typelib_typedescription_release(pTD);

basic/source/inc/sbunoobj.hxx

@@ -71,7 +71,7 @@ class SbUnoStructRefObject: public SbxObject
             return rProp.compareToIgnoreAsciiCase( rOtherProp ) < 0;
         }
     };
-    typedef std::map< OUString, StructRefInfo*, caseLessComp > StructFieldInfo;
+    typedef std::map< OUString, std::unique_ptr<StructRefInfo>, caseLessComp > StructFieldInfo;
     StructFieldInfo maFields;
     StructRefInfo maMemberInfo;
     bool mbMemberCacheInit;

compilerplugins/clang/test/useuniqueptr.cxx

@@ -77,13 +77,12 @@ class Class7 {
             delete m_pbar[i]; // expected-error {{rather manage with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
     }
 };
-// don't warn for maps, MSVC 2015 has problems with mixing std::map/std::unordered_map and std::unique_ptr
 class Class8 {
-    std::unordered_map<int, int*> m_pbar;
+    std::unordered_map<int, int*> m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
     ~Class8()
     {
         for (auto i : m_pbar)
-            delete i.second;
+            delete i.second; // expected-error {{rather manage with std::some_container<std::unique_ptr<T>> [loplugin:useuniqueptr]}}
     }
 };
 class Foo8 {

compilerplugins/clang/useuniqueptr.cxx

@@ -288,10 +288,7 @@ void UseUniquePtr::CheckDeleteExpr(const CXXMethodDecl* methodDecl, const CXXDel
     // the std::vector is being passed to another class
     if (loplugin::isSamePathname(aFileName, SRCDIR "/sfx2/source/explorer/nochaos.cxx"))
         return;
-    // ignore std::map and std::unordered_map, MSVC 2015 has problems with mixing these with std::unique_ptr
     auto tc = loplugin::TypeCheck(fieldDecl->getType());
-    if (tc.Class("map").StdNamespace() || tc.Class("unordered_map").StdNamespace())
-        return;
     // these sw::Ring based classes do not lend themselves to std::unique_ptr management
     if (tc.Pointer().Class("SwNodeIndex").GlobalNamespace() || tc.Pointer().Class("SwShellTableCursor").GlobalNamespace()
         || tc.Pointer().Class("SwBlockCursor").GlobalNamespace() || tc.Pointer().Class("SwVisibleCursor").GlobalNamespace()