1 files changed, 168 insertions, 0 deletions
diff --git a/sw/source/core/except/dbgloop.cxx b/sw/source/core/except/dbgloop.cxx
new file mode 100644
index 000000000000..0cf08c601422
--- /dev/null
+++ b/sw/source/core/except/dbgloop.cxx
@@ -0,0 +1,168 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_sw.hxx"
+
+#ifdef DBG_UTIL
+
+#include <tools/stream.hxx>
+#include "dbgloop.hxx"
+#include "errhdl.hxx"
+
+DbgLoopStack DbgLoop::aDbgLoopStack;
+
+/*************************************************************************
+ *                      class DbgLoopStack
+ *************************************************************************/
+
+DbgLoopStack::DbgLoopStack()
+{
+    Reset();
+}
+
+void DbgLoopStack::Reset()
+{
+    nPtr = 0;
+    pDbg = 0;
+    for( sal_uInt16 i = 0; i < DBG_MAX_STACK; ++i )
+        aCount[i] = 0;
+}
+
+/*************************************************************************
+ *                       DbgLoopStack::Push()
+ *************************************************************************/
+
+void DbgLoopStack::Push( const void *pThis )
+{
+    // Wir muessen irgendwie mitbekommen, wann die erste Stackposition
+    // resettet werden soll, z.B. wenn wir einen Nullpointer uebergeben
+    if( !nPtr && ( pDbg != pThis || !pThis ) )
+    {
+        aCount[1] = 0;
+        pDbg = pThis;
+    }
+
+    ++nPtr;
+    if( DBG_MAX_STACK > nPtr )
+    {
+        // Wenn eine loop entdeckt wird, wird der counter wieder zurueckgesetzt.
+        ASSERT( DBG_MAX_LOOP > aCount[nPtr], "DbgLoopStack::Push: loop detected" );
+        if( DBG_MAX_LOOP > aCount[nPtr] )
+            ++(aCount[nPtr]);
+        else
+            aCount[nPtr] = 0;
+    }
+}
+
+/*************************************************************************
+ *                       DbgLoopStack::Pop()
+ *************************************************************************/
+
+void DbgLoopStack::Pop()
+{
+    if( DBG_MAX_STACK > nPtr )
+    {
+        ASSERT( nPtr, "DbgLoopStack::Pop: can't pop the stack" );
+
+        ASSERT( aCount[nPtr], "DbgLoopStack::Pop: can't dec the count" );
+        if( DBG_MAX_STACK > nPtr + 1 )
+            aCount[nPtr + 1] = 0;
+    }
+    --nPtr;
+}
+
+/*************************************************************************
+ *                       DbgLoopStack::Print()
+ *************************************************************************/
+
+void DbgLoopStack::Print( SvStream &rOS ) const
+{
+    rOS << "POS: " << nPtr << '\n';
+    sal_uInt16 i;
+    for( i = 0; i < DBG_MAX_STACK; ++i )
+        rOS << i << " ";
+    rOS << '\n';
+    for( i = 0; i < DBG_MAX_STACK; ++i )
+        rOS << aCount[i] << " ";
+    rOS << '\n';
+}
+
+#ifdef STAND_ALONE
+// compile with: cl /AL /DSTAND_ALONE dbgloop.cxx
+
+/*************************************************************************
+ *                          main()
+ *************************************************************************/
+
+#include <stdlib.h>
+
+void AssertFail( const char *pErr, const char *pFile, sal_uInt16 nLine )
+{
+    cout << pErr << '\n';
+    PrintLoopStack( cout );
+    exit(0);
+}
+
+class Test
+{
+public:
+        void Run() const;
+};
+
+void Test::Run() const
+{
+    cout << "---" << '\n';
+    for( sal_uInt16 i = 0; i < 10; ++i )
+    {
+        cout << "i" << i;
+        DBG_LOOP;
+        PrintLoopStack( cout );
+        for( sal_uInt16 j = 0; j < 10; ++j )
+        {
+            cout << " j" << j;
+            DBG_LOOP;
+            PrintLoopStack( cout );
+        }
+        cout << '\n';
+    }
+    PrintLoopStack( cout );
+}
+
+int main()
+{
+    // unterschiedliche Instanzen waehlen wg. pDbg != pThis
+    Test aTest1;
+    aTest1.Run();
+    Test aTest2;
+    aTest2.Run();
+    return 0;
+}
+#endif
+
+#endif // DBG_UTIL
+