0025418: Debug output to be limited to OCC development environment

Macros ending on "DEB" are replaced by OCCT_DEBUG across OCCT code; new macros described in documentation.
Macros starting with DEB are changed to start with "OCCT_DEBUG_".
Some code cleaned.

src/NCollection/NCollection_AccAllocator.cxx

@@ -79,7 +79,7 @@ void* NCollection_AccAllocator::Allocate(const size_t theSize)
   }
 
   void* anAddress = aBlock->Allocate(aSize);
-#ifdef DEB_FINDBLOCK
+#ifdef OCCT_DEBUG_FINDBLOCK
   Key aKey;
   Standard_ASSERT_VOID(aBlock == findBlock(anAddress, aKey),
                        "improper work of NCollection_AccAllocator::findBlock");
@@ -181,7 +181,7 @@ NCollection_AccAllocator::allocateNewBlock(const Standard_Size theSize)
                   mypLastBlock,
                   0};
   mypLastBlock = myBlocks.Bound(getKey(anAddress), aBlock);
-#ifdef DEB_FINDBLOCK
+#ifdef OCCT_DEBUG_FINDBLOCK
   Key aKey;
   Standard_ASSERT_VOID(mypLastBlock == findBlock((Standard_Byte*)aBlock.allocStart-1, aKey),
                        "improper work of NCollection_AccAllocator::findBlock");

src/NCollection/NCollection_IncAllocator.cxx

@@ -40,7 +40,7 @@ namespace
 
   #define IMEM_FREE(p_bl) (size_t(p_bl->p_end_block - p_bl->p_free_space))
 
-#ifdef DEB
+#ifdef OCCT_DEBUG
   // auxiliary dummy function used to get a place where break point can be set
   inline void place_for_breakpoint() {}
 #endif
@@ -82,7 +82,7 @@ Standard_EXPORT void IncAllocator_SetDebugFlag(const Standard_Boolean theDebug)
   IS_DEBUG = theDebug;
 }
 
-#ifdef DEB
+#ifdef OCCT_DEBUG
 
 //=======================================================================
 /**
@@ -127,7 +127,7 @@ static void Debug_Destroy(Standard_Address theAlloc)
   aMutex.Unlock();
 }
 
-#endif /* DEB */
+#endif /* OCCT_DEBUG */
 
 //=======================================================================
 //function : IncAllocator_PrintAlive
@@ -182,7 +182,7 @@ NCollection_IncAllocator::NCollection_IncAllocator (const size_t theBlockSize)
 #ifdef ALLOC_TRACK_USAGE
   printf ("\n..NCollection_IncAllocator: Created (%x)\n",this);
 #endif
-#ifdef DEB
+#ifdef OCCT_DEBUG
   if (IS_DEBUG)
     Debug_Create(this);
 #endif
@@ -207,7 +207,7 @@ NCollection_IncAllocator::NCollection_IncAllocator (const size_t theBlockSize)
 
 NCollection_IncAllocator::~NCollection_IncAllocator ()
 {
-#ifdef DEB
+#ifdef OCCT_DEBUG
   if (IS_DEBUG)
     Debug_Destroy(this);
 #endif

src/NCollection/NCollection_UBTreeFiller.hxx

@@ -113,7 +113,7 @@ template <class TheObjType, class TheBndType> class NCollection_UBTreeFiller
   ~NCollection_UBTreeFiller ()
   {
     if (mySeqPtr.Length() > 0)
-#ifdef DEB_UBTREE
+#ifdef OCCT_DEBUG_UBTREE
       cout << "~NCollection_UBTreeFiller: " << Fill()
            << " objects added to the tree" << endl;
 #else