swunolocking1: #i108161#: WeakReferenceHelper:

Apple g++ 4.0.1 erroneously believes that it is ambiguous to use
 WeakReference<XInterface>::operator=(Reference<XInterface>).
 as a workaround, introduce WeakReferenceHelper::clear(), and fix all users.

cppuhelper/inc/cppuhelper/weakref.hxx

@@ -109,6 +109,12 @@ public:
     inline SAL_CALL operator Reference< XInterface > () const SAL_THROW( () )
         { return get(); }
 
+    /** Releases this reference.
+
+        @since UDK 3.2.12
+    */
+    void SAL_CALL clear() SAL_THROW( () );
+
 protected:
     /** @internal */
     OWeakRefListener * m_pImpl;

cppuhelper/source/cc5_solaris_sparc.map

@@ -384,4 +384,5 @@ UDK_3.7 { # OOo 3.3
     global:
         __1cEcppuLOWeakObjectbAdisposeWeakConnectionPoint6M_v_;
         __1cDcomDsunEstarDunoTWeakReferenceHelper2G6Mrkn0DJReference4n0DKXInterface____r4_;
+        __1cDcomDsunEstarDunoTWeakReferenceHelperFclear6M_v_;
 } UDK_3.6;

cppuhelper/source/gcc3.map

@@ -378,5 +378,6 @@ UDK_3.6 { # OOo 3.3
     global:
         _ZN4cppu11OWeakObject26disposeWeakConnectionPointEv;
         _ZN3com3sun4star3uno19WeakReferenceHelperaSERKNS2_9ReferenceINS2_10XInterfaceEEE;
+        _ZN3com3sun4star3uno19WeakReferenceHelper5clearEv;
 } UDK_3.5;
 

cppuhelper/source/msvc_win32_intel.map

@@ -275,4 +275,5 @@ UDK_3.5 { # OOo 3.0
 UDK_3.6 { # OOo 3.3
     global:
         ?disposeWeakConnectionPoint@OWeakObject@cppu@@IAEXXZ;
+        ?clear@WeakReferenceHelper@uno@star@sun@com@@QAAXXZ;
 } UDK_3.5;

cppuhelper/source/weak.cxx

@@ -479,6 +479,25 @@ WeakReferenceHelper::WeakReferenceHelper(const WeakReferenceHelper& rWeakRef) SA
     }
 }
 
+void WeakReferenceHelper::clear() SAL_THROW( () )
+{
+    try
+    {
+        if (m_pImpl)
+        {
+            if (m_pImpl->m_XWeakConnectionPoint.is())
+            {
+                m_pImpl->m_XWeakConnectionPoint->removeReference(
+                        (XReference*)m_pImpl);
+                m_pImpl->m_XWeakConnectionPoint.clear();
+            }
+            m_pImpl->release();
+            m_pImpl = 0;
+        }
+    }
+    catch (RuntimeException &) { OSL_ASSERT( 0 ); } // assert here, but no unexpected()
+}
+
 WeakReferenceHelper& WeakReferenceHelper::operator=(const WeakReferenceHelper& rWeakRef) SAL_THROW( () )
 {
     if (this == &rWeakRef)
@@ -495,16 +514,7 @@ SAL_THROW( () )
 {
     try
     {
-        if (m_pImpl)
+        clear();
-        {
-            if (m_pImpl->m_XWeakConnectionPoint.is())
-            {
-                m_pImpl->m_XWeakConnectionPoint->removeReference((XReference*)m_pImpl);
-                m_pImpl->m_XWeakConnectionPoint.clear();
-            }
-            m_pImpl->release();
-            m_pImpl = 0;
-        }
         if (xInt.is())
         {
             m_pImpl = new OWeakRefListener(xInt);
@@ -517,20 +527,7 @@ SAL_THROW( () )
 
 WeakReferenceHelper::~WeakReferenceHelper() SAL_THROW( () )
 {
-    try
+    clear();
-    {
-    if (m_pImpl)
-    {
-        if (m_pImpl->m_XWeakConnectionPoint.is())
-        {
-            m_pImpl->m_XWeakConnectionPoint->removeReference((XReference*)m_pImpl);
-            m_pImpl->m_XWeakConnectionPoint.clear();
-        }
-        m_pImpl->release();
-        m_pImpl = 0; // for safety
-    }
-    }
-    catch (RuntimeException &) { OSL_ASSERT( 0 ); } // assert here, but no unexpected()
 }
 
 Reference< XInterface > WeakReferenceHelper::get() const SAL_THROW( () )