use unique_ptr for ScLookupCacheMap

Change-Id: Ib09a5331dfd57a99852555348c46730368d8d61d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/100531
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

3 files changed, 19 insertions, 22 deletions

diff --git a/sc/inc/interpretercontext.hxx b/sc/inc/interpretercontext.hxx
index 7eb1f1415642..2e0ff91632d6 100644
--- a/sc/inc/interpretercontext.hxx
+++ b/sc/inc/interpretercontext.hxx
@@ -57,21 +57,13 @@ struct ScInterpreterContext
     size_t mnTokenCachePos;
     std::vector<formula::FormulaToken*> maTokens;
     std::vector<DelayedSetNumberFormat> maDelayedSetNumberFormat;
-    ScLookupCacheMap* mScLookupCache; // cache for lookups like VLOOKUP and MATCH
+    std::unique_ptr<ScLookupCacheMap> mxScLookupCache; // cache for lookups like VLOOKUP and MATCH
     // Allocation cache for "aConditions" array in ScInterpreter::IterateParameterIfs()
     // This is populated/used only when formula-group threading is enabled.
     std::vector<sal_uInt32> maConditions;
     ScInterpreter* pInterpreter;
 
-    ScInterpreterContext(const ScDocument& rDoc, SvNumberFormatter* pFormatter)
-        : mpDoc(&rDoc)
-        , mnTokenCachePos(0)
-        , maTokens(TOKEN_CACHE_SIZE, nullptr)
-        , mScLookupCache(nullptr)
-        , pInterpreter(nullptr)
-        , mpFormatter(pFormatter)
-    {
-    }
+    ScInterpreterContext(const ScDocument& rDoc, SvNumberFormatter* pFormatter);
 
     ScInterpreterContext() = delete;
 
diff --git a/sc/source/core/data/documen2.cxx b/sc/source/core/data/documen2.cxx
index e4413853aa71..9d8ed27a82ce 100644
--- a/sc/source/core/data/documen2.cxx
+++ b/sc/source/core/data/documen2.cxx
@@ -1151,14 +1151,14 @@ void ScDocument::DisposeFieldEditEngine(std::unique_ptr<ScFieldEditEngine>& rpEd
 ScLookupCache & ScDocument::GetLookupCache( const ScRange & rRange, ScInterpreterContext* pContext )
 {
     ScLookupCache* pCache = nullptr;
-    ScLookupCacheMap*& rpCacheMap = pContext->mScLookupCache;
-    if (!rpCacheMap)
-        rpCacheMap = new ScLookupCacheMap;
+    if (!pContext->mxScLookupCache)
+        pContext->mxScLookupCache.reset(new ScLookupCacheMap);
+    ScLookupCacheMap* pCacheMap = pContext->mxScLookupCache.get();
     // insert with temporary value to avoid doing two lookups
-    auto [findIt, bInserted] = rpCacheMap->aCacheMap.emplace(rRange, nullptr);
+    auto [findIt, bInserted] = pCacheMap->aCacheMap.emplace(rRange, nullptr);
     if (bInserted)
     {
-        findIt->second = std::make_unique<ScLookupCache>(this, rRange, *rpCacheMap);
+        findIt->second = std::make_unique<ScLookupCache>(this, rRange, *pCacheMap);
         pCache = findIt->second.get();
         // The StartListeningArea() call is not thread-safe, as all threads
         // would access the same SvtBroadcaster.
@@ -1193,7 +1193,7 @@ void ScDocument::RemoveLookupCache( ScLookupCache & rCache )
 void ScDocument::ClearLookupCaches()
 {
     assert(!IsThreadedGroupCalcInProgress());
-    DELETEZ(GetNonThreadedContext().mScLookupCache);
+    GetNonThreadedContext().mxScLookupCache.reset();
     // Clear lookup cache in all interpreter-contexts in the (threaded/non-threaded) pools.
     ScInterpreterContextPool::ClearLookupCaches();
 }
diff --git a/sc/source/core/tool/interpretercontext.cxx b/sc/source/core/tool/interpretercontext.cxx
index 77d2feadce6a..ce02ea28d52c 100644
--- a/sc/source/core/tool/interpretercontext.cxx
+++ b/sc/source/core/tool/interpretercontext.cxx
@@ -28,10 +28,19 @@
 ScInterpreterContextPool ScInterpreterContextPool::aThreadedInterpreterPool(true);
 ScInterpreterContextPool ScInterpreterContextPool::aNonThreadedInterpreterPool(false);
 
+ScInterpreterContext::ScInterpreterContext(const ScDocument& rDoc, SvNumberFormatter* pFormatter)
+    : mpDoc(&rDoc)
+    , mnTokenCachePos(0)
+    , maTokens(TOKEN_CACHE_SIZE, nullptr)
+    , pInterpreter(nullptr)
+    , mpFormatter(pFormatter)
+{
+}
+
 ScInterpreterContext::~ScInterpreterContext()
 {
     ResetTokens();
-    delete mScLookupCache;
+    mxScLookupCache.reset();
 }
 
 void ScInterpreterContext::ResetTokens()
@@ -63,11 +72,7 @@ void ScInterpreterContext::Cleanup()
     ResetTokens();
 }
 
-void ScInterpreterContext::ClearLookupCache()
-{
-    delete mScLookupCache;
-    mScLookupCache = nullptr;
-}
+void ScInterpreterContext::ClearLookupCache() { mxScLookupCache.reset(); }
 
 SvNumFormatType ScInterpreterContext::GetNumberFormatType(sal_uInt32 nFIndex) const
 {