[Libreoffice-commits] core.git: 2 commits - basctl/source comphelper/source compilerplugins/clang i18nlangtag/source include/comphelper include/i18nlangtag include/ucbhelper solenv/CompilerTest_compilerplugins_clang.mk ucbhelper/source

Noel Grandin noel.grandin at collabora.co.uk
Wed Oct 25 06:32:37 UTC 2017


 basctl/source/basicide/scriptdocument.cxx               |    2 
 comphelper/source/container/embeddedobjectcontainer.cxx |    8 -
 comphelper/source/misc/backupfilehelper.cxx             |    4 
 comphelper/source/misc/syntaxhighlight.cxx              |    2 
 comphelper/source/property/propertystatecontainer.cxx   |    2 
 comphelper/source/xml/ofopxmlhelper.cxx                 |    4 
 compilerplugins/clang/dodgyswitch.cxx                   |   77 ++++++++++++++++
 compilerplugins/clang/test/dodgyswitch.cxx              |   30 ++++++
 i18nlangtag/source/languagetag/languagetag.cxx          |   24 +++-
 include/comphelper/MasterPropertySet.hxx                |    2 
 include/comphelper/backupfilehelper.hxx                 |    2 
 include/comphelper/embeddedobjectcontainer.hxx          |    8 -
 include/comphelper/propertystatecontainer.hxx           |    4 
 include/comphelper/proxyaggregation.hxx                 |    2 
 include/comphelper/stillreadwriteinteraction.hxx        |    2 
 include/comphelper/syntaxhighlight.hxx                  |    2 
 include/i18nlangtag/languagetag.hxx                     |    3 
 include/ucbhelper/content.hxx                           |    2 
 include/ucbhelper/interactionrequest.hxx                |    2 
 include/ucbhelper/resultset.hxx                         |    6 -
 solenv/CompilerTest_compilerplugins_clang.mk            |    1 
 ucbhelper/source/client/content.cxx                     |    4 
 ucbhelper/source/provider/interactionrequest.cxx        |    2 
 ucbhelper/source/provider/resultset.cxx                 |   10 +-
 24 files changed, 161 insertions(+), 44 deletions(-)

New commits:
commit 57c5f980835f834f6ea96c6f5ca841b5372aa61d
Author: Noel Grandin <noel.grandin at collabora.co.uk>
Date:   Tue Oct 24 13:02:58 2017 +0200

    loplugin:constmethod in comphelper,ucbhelper
    
    Change-Id: I27a860fbbedd2174c60c199af18cae76e02abc25
    Reviewed-on: https://gerrit.libreoffice.org/43759
    Tested-by: Jenkins <ci at libreoffice.org>
    Reviewed-by: Noel Grandin <noel.grandin at collabora.co.uk>

diff --git a/comphelper/source/container/embeddedobjectcontainer.cxx b/comphelper/source/container/embeddedobjectcontainer.cxx
index 520d37e1f8c4..49d033b54007 100644
--- a/comphelper/source/container/embeddedobjectcontainer.cxx
+++ b/comphelper/source/container/embeddedobjectcontainer.cxx
@@ -226,12 +226,12 @@ OUString EmbeddedObjectContainer::CreateUniqueObjectName()
     return aStr;
 }
 
-uno::Sequence < OUString > EmbeddedObjectContainer::GetObjectNames()
+uno::Sequence < OUString > EmbeddedObjectContainer::GetObjectNames() const
 {
     return comphelper::mapKeysToSequence(pImpl->maObjectContainer);
 }
 
-bool EmbeddedObjectContainer::HasEmbeddedObjects()
+bool EmbeddedObjectContainer::HasEmbeddedObjects() const
 {
     return pImpl->maObjectContainer.size() != 0;
 }
@@ -247,7 +247,7 @@ bool EmbeddedObjectContainer::HasEmbeddedObject( const OUString& rName )
     return xAccess->hasByName(rName);
 }
 
-bool EmbeddedObjectContainer::HasEmbeddedObject( const uno::Reference < embed::XEmbeddedObject >& xObj )
+bool EmbeddedObjectContainer::HasEmbeddedObject( const uno::Reference < embed::XEmbeddedObject >& xObj ) const
 {
     for( const auto& rObj : pImpl->maObjectContainer )
     {
@@ -266,7 +266,7 @@ bool EmbeddedObjectContainer::HasInstantiatedEmbeddedObject( const OUString& rNa
     return ( aIt != pImpl->maObjectContainer.end() );
 }
 
-OUString EmbeddedObjectContainer::GetEmbeddedObjectName( const css::uno::Reference < css::embed::XEmbeddedObject >& xObj )
+OUString EmbeddedObjectContainer::GetEmbeddedObjectName( const css::uno::Reference < css::embed::XEmbeddedObject >& xObj ) const
 {
     for( const auto& rObj : pImpl->maObjectContainer )
     {
diff --git a/comphelper/source/misc/backupfilehelper.cxx b/comphelper/source/misc/backupfilehelper.cxx
index a6a4e5ec9e8e..614789a3bcbc 100644
--- a/comphelper/source/misc/backupfilehelper.cxx
+++ b/comphelper/source/misc/backupfilehelper.cxx
@@ -1653,7 +1653,7 @@ namespace
             }
         }
 
-        bool empty()
+        bool empty() const
         {
             return maPackedFileEntryVector.empty();
         }
@@ -1940,7 +1940,7 @@ namespace comphelper
         return bDidPop;
     }
 
-    bool BackupFileHelper::isPopPossibleExtensionInfo()
+    bool BackupFileHelper::isPopPossibleExtensionInfo() const
     {
         bool bPopPossible(false);
 
diff --git a/comphelper/source/misc/syntaxhighlight.cxx b/comphelper/source/misc/syntaxhighlight.cxx
index 0557a3f95b4a..131fa704ec86 100644
--- a/comphelper/source/misc/syntaxhighlight.cxx
+++ b/comphelper/source/misc/syntaxhighlight.cxx
@@ -712,7 +712,7 @@ void SyntaxHighlighter::getHighlightPortions(const OUString& rLine,
     m_tokenizer->getHighlightPortions( rLine, portions );
 }
 
-HighlighterLanguage SyntaxHighlighter::GetLanguage()
+HighlighterLanguage SyntaxHighlighter::GetLanguage() const
 {
     return m_tokenizer->aLanguage;
 }
diff --git a/comphelper/source/property/propertystatecontainer.cxx b/comphelper/source/property/propertystatecontainer.cxx
index d06c3f190443..a2e1245fe57c 100644
--- a/comphelper/source/property/propertystatecontainer.cxx
+++ b/comphelper/source/property/propertystatecontainer.cxx
@@ -149,7 +149,7 @@ namespace comphelper
     }
 
 
-    PropertyState OPropertyStateContainer::getPropertyStateByHandle( sal_Int32 _nHandle )
+    PropertyState OPropertyStateContainer::getPropertyStateByHandle( sal_Int32 _nHandle ) const
     {
         // simply compare the current and the default value
         Any aCurrentValue; getFastPropertyValue( aCurrentValue, _nHandle );
diff --git a/comphelper/source/xml/ofopxmlhelper.cxx b/comphelper/source/xml/ofopxmlhelper.cxx
index 0d4e164a2f66..205b8883c0d3 100644
--- a/comphelper/source/xml/ofopxmlhelper.cxx
+++ b/comphelper/source/xml/ofopxmlhelper.cxx
@@ -68,7 +68,7 @@ class OFOPXMLHelper_Impl
 
 
 public:
-    css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > const & GetParsingResult();
+    css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > const & GetParsingResult() const;
 
     explicit OFOPXMLHelper_Impl( sal_uInt16 nFormat ); // must not be created directly
 
@@ -269,7 +269,7 @@ OFOPXMLHelper_Impl::OFOPXMLHelper_Impl( sal_uInt16 nFormat )
 {
 }
 
-uno::Sequence< uno::Sequence< beans::StringPair > > const & OFOPXMLHelper_Impl::GetParsingResult()
+uno::Sequence< uno::Sequence< beans::StringPair > > const & OFOPXMLHelper_Impl::GetParsingResult() const
 {
     if ( m_aElementsSeq.size() )
         throw uno::RuntimeException(); // the parsing has still not finished!
diff --git a/i18nlangtag/source/languagetag/languagetag.cxx b/i18nlangtag/source/languagetag/languagetag.cxx
index 057718620374..1e65fe593f6d 100644
--- a/i18nlangtag/source/languagetag/languagetag.cxx
+++ b/i18nlangtag/source/languagetag/languagetag.cxx
@@ -1010,16 +1010,25 @@ LanguageTag::ImplPtr LanguageTag::registerImpl() const
 }
 
 
-LanguageTag::ImplPtr const & LanguageTag::getImpl() const
+LanguageTagImpl const * LanguageTag::getImpl() const
 {
     if (!mpImpl)
     {
         mpImpl = registerImpl();
         syncVarsFromRawImpl();
     }
-    return mpImpl;
+    return mpImpl.get();
 }
 
+LanguageTagImpl * LanguageTag::getImpl()
+{
+    if (!mpImpl)
+    {
+        mpImpl = registerImpl();
+        syncVarsFromRawImpl();
+    }
+    return mpImpl.get();
+}
 
 void LanguageTag::resetVars()
 {
@@ -1277,8 +1286,7 @@ bool LanguageTagImpl::synCanonicalize()
 
 void LanguageTag::syncFromImpl()
 {
-    ImplPtr xImpl = getImpl();
-    LanguageTagImpl* pImpl = xImpl.get();
+    LanguageTagImpl* pImpl = getImpl();
     bool bRegister = ((mbInitializedBcp47 && maBcp47 != pImpl->maBcp47) ||
             (mbInitializedLangID && mnLangID != pImpl->mnLangID));
     SAL_INFO_IF( bRegister, "i18nlangtag",
@@ -1829,7 +1837,7 @@ OUString const & LanguageTagImpl::getLanguage() const
 
 OUString LanguageTag::getLanguage() const
 {
-    ImplPtr pImpl = getImpl();
+    LanguageTagImpl const* pImpl = getImpl();
     if (pImpl->mbCachedLanguage)
         return pImpl->maCachedLanguage;
     OUString aRet( pImpl->getLanguage());
@@ -1851,7 +1859,7 @@ OUString const & LanguageTagImpl::getScript() const
 
 OUString LanguageTag::getScript() const
 {
-    ImplPtr pImpl = getImpl();
+    LanguageTagImpl const* pImpl = getImpl();
     if (pImpl->mbCachedScript)
         return pImpl->maCachedScript;
     OUString aRet( pImpl->getScript());
@@ -1887,7 +1895,7 @@ OUString const & LanguageTagImpl::getCountry() const
 
 OUString LanguageTag::getCountry() const
 {
-    ImplPtr pImpl = getImpl();
+    LanguageTagImpl const* pImpl = getImpl();
     if (pImpl->mbCachedCountry)
         return pImpl->maCachedCountry;
     OUString aRet( pImpl->getCountry());
@@ -1915,7 +1923,7 @@ OUString const & LanguageTagImpl::getVariants() const
 
 OUString LanguageTag::getVariants() const
 {
-    ImplPtr pImpl = getImpl();
+    LanguageTagImpl const * pImpl = getImpl();
     if (pImpl->mbCachedVariants)
         return pImpl->maCachedVariants;
     OUString aRet( pImpl->getVariants());
diff --git a/include/comphelper/MasterPropertySet.hxx b/include/comphelper/MasterPropertySet.hxx
index 937832488b78..44472d4c3977 100644
--- a/include/comphelper/MasterPropertySet.hxx
+++ b/include/comphelper/MasterPropertySet.hxx
@@ -39,7 +39,7 @@ namespace comphelper
         bool                                             mbInit;
 
         SlaveData ( ChainablePropertySet *pSlave);
-        bool IsInit () { return mbInit;}
+        bool IsInit () const { return mbInit;}
         void SetInit ( bool bInit) { mbInit = bInit; }
     };
 }
diff --git a/include/comphelper/backupfilehelper.hxx b/include/comphelper/backupfilehelper.hxx
index 68835b866452..6f3445870625 100644
--- a/include/comphelper/backupfilehelper.hxx
+++ b/include/comphelper/backupfilehelper.hxx
@@ -137,7 +137,7 @@ namespace comphelper
          * isPopPossibleExtensionInfo is the specialized version for ExtensionInfo
          */
         bool isPopPossible();
-        bool isPopPossibleExtensionInfo();
+        bool isPopPossibleExtensionInfo() const;
 
         /** tries to execute a restore. Will overwrite the base file
          *  in that case and take one version off the 'stack' of copies.
diff --git a/include/comphelper/embeddedobjectcontainer.hxx b/include/comphelper/embeddedobjectcontainer.hxx
index eb4cd1308911..d838af94a3c1 100644
--- a/include/comphelper/embeddedobjectcontainer.hxx
+++ b/include/comphelper/embeddedobjectcontainer.hxx
@@ -80,18 +80,18 @@ public:
     OUString     CreateUniqueObjectName();
 
     // get a list of object names that have been added so far
-    css::uno::Sequence < OUString > GetObjectNames();
+    css::uno::Sequence < OUString > GetObjectNames() const;
 
     // check for existence of objects at all
-    bool            HasEmbeddedObjects();
+    bool            HasEmbeddedObjects() const;
 
     // check existence of an object - either by identity or by name
     bool            HasEmbeddedObject( const OUString& );
-    bool            HasEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >& );
+    bool            HasEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >& ) const;
     bool            HasInstantiatedEmbeddedObject( const OUString& );
 
     // get the object name of an object - this is the persist name if the object has persistence
-    OUString        GetEmbeddedObjectName( const css::uno::Reference < css::embed::XEmbeddedObject >& );
+    OUString        GetEmbeddedObjectName( const css::uno::Reference < css::embed::XEmbeddedObject >& ) const;
 
     // retrieve an embedded object by name that either has been added already or is available in the container storage
     css::uno::Reference<css::embed::XEmbeddedObject> GetEmbeddedObject(const OUString&, OUString const* pBaseURL = nullptr);
diff --git a/include/comphelper/propertystatecontainer.hxx b/include/comphelper/propertystatecontainer.hxx
index 1585f85c3ec6..f2f04410d732 100644
--- a/include/comphelper/propertystatecontainer.hxx
+++ b/include/comphelper/propertystatecontainer.hxx
@@ -74,14 +74,14 @@ namespace comphelper
             <p>Already implemented by this base class, no need to override</p>
             @precond <arg>_nHandle</arg> is a valid property handle
         */
-        css::beans::PropertyState  getPropertyStateByHandle( sal_Int32 _nHandle );
+        css::beans::PropertyState  getPropertyStateByHandle( sal_Int32 _nHandle ) const;
 
         /** set the property denoted by the given handle to its default value
 
             <p>Already implemented by this base class, no need to override</p>
             @precond <arg>_nHandle</arg> is a valid property handle
         */
-        void                                    setPropertyToDefaultByHandle( sal_Int32 _nHandle );
+        void                       setPropertyToDefaultByHandle( sal_Int32 _nHandle );
 
         /** get the default value for the property denoted by the given handle
 
diff --git a/include/comphelper/proxyaggregation.hxx b/include/comphelper/proxyaggregation.hxx
index 465d3e243666..585d81010931 100644
--- a/include/comphelper/proxyaggregation.hxx
+++ b/include/comphelper/proxyaggregation.hxx
@@ -88,7 +88,7 @@ namespace comphelper
         css::uno::Reference< css::uno::XComponentContext >        m_xContext;
 
     protected:
-        const css::uno::Reference< css::uno::XComponentContext >& getComponentContext()
+        const css::uno::Reference< css::uno::XComponentContext >& getComponentContext() const
         {
             return m_xContext;
         }
diff --git a/include/comphelper/stillreadwriteinteraction.hxx b/include/comphelper/stillreadwriteinteraction.hxx
index 375a23590bcb..11b0f12c4e69 100644
--- a/include/comphelper/stillreadwriteinteraction.hxx
+++ b/include/comphelper/stillreadwriteinteraction.hxx
@@ -45,7 +45,7 @@ public:
 
     void resetInterceptions();
     void resetErrorStates();
-    bool wasWriteError() { return (m_bUsed && m_bHandledByMySelf);}
+    bool wasWriteError() const { return (m_bUsed && m_bHandledByMySelf);}
 
 private:
     css::uno::Reference< css::task::XInteractionHandler > m_xAuxiliaryHandler;
diff --git a/include/comphelper/syntaxhighlight.hxx b/include/comphelper/syntaxhighlight.hxx
index 76e87124bdc8..c8faf2211bfc 100644
--- a/include/comphelper/syntaxhighlight.hxx
+++ b/include/comphelper/syntaxhighlight.hxx
@@ -81,7 +81,7 @@ public:
     void getHighlightPortions( const OUString& rLine,
                                std::vector<HighlightPortion>& pPortions ) const;
 
-    HighlighterLanguage GetLanguage();
+    HighlighterLanguage GetLanguage() const;
 };
 
 #endif
diff --git a/include/i18nlangtag/languagetag.hxx b/include/i18nlangtag/languagetag.hxx
index 5088756e4691..42da7cc88179 100644
--- a/include/i18nlangtag/languagetag.hxx
+++ b/include/i18nlangtag/languagetag.hxx
@@ -544,7 +544,8 @@ private:
     mutable bool                            mbInitializedLangID : 1;
             bool                            mbIsFallback        : 1;
 
-    ImplPtr const &     getImpl() const;
+    LanguageTagImpl*    getImpl();
+    LanguageTagImpl const* getImpl() const;
     ImplPtr             registerImpl() const;
     void                syncFromImpl();
     void                syncVarsFromRawImpl() const;
diff --git a/include/ucbhelper/content.hxx b/include/ucbhelper/content.hxx
index eec9d2d26926..3d48b70915f0 100644
--- a/include/ucbhelper/content.hxx
+++ b/include/ucbhelper/content.hxx
@@ -663,7 +663,7 @@ public:
                      bool bMajorVersion = false,
                      const OUString & rCommentVersion = OUString( ),
                      OUString* pResultURL = nullptr,
-                     const OUString & rDocumentId = OUString( ) );
+                     const OUString & rDocumentId = OUString( ) ) const;
 
     /**
       *  This method lock the resource.
diff --git a/include/ucbhelper/interactionrequest.hxx b/include/ucbhelper/interactionrequest.hxx
index 7c2a5f565cad..5481797ff4b5 100644
--- a/include/ucbhelper/interactionrequest.hxx
+++ b/include/ucbhelper/interactionrequest.hxx
@@ -548,7 +548,7 @@ public:
     // XAuthFallback
     virtual void SAL_CALL setCode( const OUString& code ) override;
     /// @throws css::uno::RuntimeException
-    const OUString& SAL_CALL getCode();
+    const OUString& SAL_CALL getCode() const;
 
 
 };
diff --git a/include/ucbhelper/resultset.hxx b/include/ucbhelper/resultset.hxx
index a71afddabb5f..906b7c9af103 100644
--- a/include/ucbhelper/resultset.hxx
+++ b/include/ucbhelper/resultset.hxx
@@ -259,7 +259,7 @@ public:
       * @param rEvt is a property change event.
       */
     void propertyChanged(
-                const css::beans::PropertyChangeEvent& rEvt );
+                const css::beans::PropertyChangeEvent& rEvt ) const;
 
     /**
       * This method should be called by the data supplier for the result set
@@ -283,7 +283,7 @@ public:
       * @return a sequence of properties.
       */
     const css::uno::Sequence< css::beans::Property >&
-    getProperties();
+    getProperties() const;
 
     /**
       * This method returns the environment to use for interactions, progress
@@ -292,7 +292,7 @@ public:
       * @return an environment or an empty reference.
       */
     const css::uno::Reference< css::ucb::XCommandEnvironment >&
-    getEnvironment();
+    getEnvironment() const;
 };
 
 
diff --git a/ucbhelper/source/client/content.cxx b/ucbhelper/source/client/content.cxx
index cf80b313ff2d..8b5591dfcd58 100644
--- a/ucbhelper/source/client/content.cxx
+++ b/ucbhelper/source/client/content.cxx
@@ -174,7 +174,7 @@ public:
     const OUString&           getURL() const;
     Reference< XContent >          getContent();
     Reference< XCommandProcessor > getCommandProcessor();
-    Reference< XComponentContext > const & getComponentContext()
+    Reference< XComponentContext > const & getComponentContext() const
     { assert(m_xCtx.is()); return m_xCtx; }
 
     Any  executeCommand( const Command& rCommand );
@@ -944,7 +944,7 @@ bool Content::transferContent( const Content& rSourceContent,
                                    bool bMajorVersion,
                                    const OUString & rVersionComment,
                                    OUString* pResultURL,
-                                   const OUString & rDocumentId )
+                                   const OUString & rDocumentId ) const
 {
     Reference< XUniversalContentBroker > pBroker(
         UniversalContentBroker::create( m_xImpl->getComponentContext() ) );
diff --git a/ucbhelper/source/provider/interactionrequest.cxx b/ucbhelper/source/provider/interactionrequest.cxx
index edb7010aeaad..b95f96df5a5a 100644
--- a/ucbhelper/source/provider/interactionrequest.cxx
+++ b/ucbhelper/source/provider/interactionrequest.cxx
@@ -784,7 +784,7 @@ void SAL_CALL InteractionAuthFallback::setCode( const OUString& code )
     m_aCode = code;
 }
 
-const OUString& SAL_CALL InteractionAuthFallback::getCode( )
+const OUString& SAL_CALL InteractionAuthFallback::getCode() const
 {
     return m_aCode;
 }
diff --git a/ucbhelper/source/provider/resultset.cxx b/ucbhelper/source/provider/resultset.cxx
index 522748442c02..780a2dc0fcdb 100644
--- a/ucbhelper/source/provider/resultset.cxx
+++ b/ucbhelper/source/provider/resultset.cxx
@@ -88,7 +88,7 @@ class PropertySetInfo :
 
 private:
     bool queryProperty(
-        const OUString& aName, beans::Property& rProp );
+        const OUString& aName, beans::Property& rProp ) const;
 
 public:
     PropertySetInfo(
@@ -1362,7 +1362,7 @@ void SAL_CALL ResultSet::removeVetoableChangeListener(
 // Non-interface methods.
 
 
-void ResultSet::propertyChanged( const beans::PropertyChangeEvent& rEvt )
+void ResultSet::propertyChanged( const beans::PropertyChangeEvent& rEvt ) const
 {
     if ( !m_pImpl->m_pPropertyChangeListeners )
         return;
@@ -1427,14 +1427,14 @@ void ResultSet::rowCountFinal()
 }
 
 
-const uno::Sequence< beans::Property >& ResultSet::getProperties()
+const uno::Sequence< beans::Property >& ResultSet::getProperties() const
 {
     return m_pImpl->m_aProperties;
 }
 
 
 const uno::Reference< css::ucb::XCommandEnvironment >&
-ResultSet::getEnvironment()
+ResultSet::getEnvironment() const
 {
     return m_pImpl->m_xEnv;
 }
@@ -1537,7 +1537,7 @@ sal_Bool SAL_CALL PropertySetInfo::hasPropertyByName(
 
 
 bool PropertySetInfo::queryProperty(
-    const OUString& aName, beans::Property& rProp )
+    const OUString& aName, beans::Property& rProp ) const
 {
     sal_Int32 nCount = m_pProps->getLength();
     const beans::Property* pProps = m_pProps->getConstArray();
commit 80a30219c4c553ff22979b73dd97a8869d87e488
Author: Noel Grandin <noel.grandin at collabora.co.uk>
Date:   Tue Oct 24 12:22:20 2017 +0200

    new loplugin:dodgyswitch
    
    and fix bug in ScriptDocument::getTitle
    which has been there since
    
        commit e304ba66f4aba5cc55612508b5738a1ed26a7904
        Date:   Thu Mar 15 14:59:30 2007 +0000
        INTEGRATION: CWS basmgr02 (1.1.2); FILE ADDED
    
    plugin is off by default since it uses expensive parentStmt() calls
    
    Change-Id: Id0f16baec48e0381e0083594d7e59b58b023da2f
    Reviewed-on: https://gerrit.libreoffice.org/43750
    Tested-by: Jenkins <ci at libreoffice.org>
    Reviewed-by: Noel Grandin <noel.grandin at collabora.co.uk>

diff --git a/basctl/source/basicide/scriptdocument.cxx b/basctl/source/basicide/scriptdocument.cxx
index 08522afcc985..733cebdbb679 100644
--- a/basctl/source/basicide/scriptdocument.cxx
+++ b/basctl/source/basicide/scriptdocument.cxx
@@ -1475,6 +1475,7 @@ namespace basctl
                 case LibraryType::All:      aTitle = IDEResId(RID_STR_USERMACROSDIALOGS); break;
                 default:
                     break;
+                }
             }
             break;
             case LIBRARY_LOCATION_SHARE:
@@ -1494,7 +1495,6 @@ namespace basctl
                 break;
             default:
                 break;
-            }
         }
 
         return aTitle;
diff --git a/compilerplugins/clang/dodgyswitch.cxx b/compilerplugins/clang/dodgyswitch.cxx
new file mode 100644
index 000000000000..b731e30419f9
--- /dev/null
+++ b/compilerplugins/clang/dodgyswitch.cxx
@@ -0,0 +1,77 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ */
+
+#include <cassert>
+#include <string>
+#include <iostream>
+#include <fstream>
+#include <set>
+#include "plugin.hxx"
+
+namespace {
+
+class DodgySwitch:
+    public RecursiveASTVisitor<DodgySwitch>, public loplugin::Plugin
+{
+public:
+    explicit DodgySwitch(InstantiationData const & data): Plugin(data) {}
+
+    virtual void run() override
+    {
+        TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
+    }
+
+    bool VisitDefaultStmt(DefaultStmt const * );
+    bool VisitCaseStmt(CaseStmt const * );
+private:
+    bool IsParentSwitch(Stmt const * );
+};
+
+bool DodgySwitch::VisitDefaultStmt(DefaultStmt const * defaultStmt)
+{
+    if (ignoreLocation(defaultStmt))
+        return true;
+    if (!IsParentSwitch(defaultStmt))
+        report(
+            DiagnosticsEngine::Warning, "default statement not directly under switch",
+            defaultStmt->getLocStart())
+          << defaultStmt->getSourceRange();
+    return true;
+}
+
+bool DodgySwitch::VisitCaseStmt(CaseStmt const * caseStmt)
+{
+    if (ignoreLocation(caseStmt))
+        return true;
+    if (!IsParentSwitch(caseStmt))
+    {
+        //parentStmt(parentStmt(caseStmt))->dump();
+        report(
+            DiagnosticsEngine::Warning, "case statement not directly under switch",
+            caseStmt->getLocStart())
+          << caseStmt->getSourceRange();
+    }
+    return true;
+}
+
+bool DodgySwitch::IsParentSwitch(Stmt const * stmt)
+{
+    auto parent = parentStmt(stmt);
+    if (isa<CaseStmt>(parent) || isa<DefaultStmt>(parent)) // daisy chain
+        return true;
+    auto compoundStmt = dyn_cast<CompoundStmt>(parent);
+    if (!compoundStmt)
+        return false;
+    return isa<SwitchStmt>(parentStmt(compoundStmt));
+}
+
+loplugin::Plugin::Registration< DodgySwitch > X("dodgyswitch", false);
+
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/compilerplugins/clang/test/dodgyswitch.cxx b/compilerplugins/clang/test/dodgyswitch.cxx
new file mode 100644
index 000000000000..3a61ed388c2b
--- /dev/null
+++ b/compilerplugins/clang/test/dodgyswitch.cxx
@@ -0,0 +1,30 @@
+/* -*- 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/.
+ */
+
+#include <sal/types.h>
+
+int foo();
+
+int main() {
+    switch (foo())
+    {
+        case 1: { break; }
+        case 2: {
+            SAL_FALLTHROUGH;
+            {
+                case 3: // expected-error {{case statement not directly under switch [loplugin:dodgyswitch]}}
+                break;
+            }
+            default: // expected-error {{default statement not directly under switch [loplugin:dodgyswitch]}}
+            break;
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/solenv/CompilerTest_compilerplugins_clang.mk b/solenv/CompilerTest_compilerplugins_clang.mk
index 97a870d9c296..4d9772fc4665 100644
--- a/solenv/CompilerTest_compilerplugins_clang.mk
+++ b/solenv/CompilerTest_compilerplugins_clang.mk
@@ -18,6 +18,7 @@ $(eval $(call gb_CompilerTest_add_exception_objects,compilerplugins_clang, \
     $(if $(filter-out INTEL,$(CPU)),compilerplugins/clang/test/convertuintptr) \
     compilerplugins/clang/test/cppunitassertequals \
     compilerplugins/clang/test/datamembershadow \
+    compilerplugins/clang/test/dodgyswitch \
     compilerplugins/clang/test/droplong \
     compilerplugins/clang/test/externvar \
     compilerplugins/clang/test/expressionalwayszero \


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