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/Expr/Expr_BinaryFunction.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#ifndef DEB
+#ifndef OCCT_DEBUG
 #define No_Standard_RangeError
 #define No_Standard_OutOfRange
 #endif

src/Expr/Expr_NumericValue.cxx

@@ -17,9 +17,7 @@
 #include <Expr_NumericValue.ixx>
 #include <Standard_OutOfRange.hxx>
 
-//#if defined (WNT) || !defined (DEB)
 # include <stdio.h>
-//#endif  // WNT || !DEB
 
 Expr_NumericValue::Expr_NumericValue(const Standard_Real val)
 {

src/Expr/Expr_PolyFunction.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#ifndef DEB
+#ifndef OCCT_DEBUG
 #define No_Standard_RangeError
 #define No_Standard_OutOfRange
 #endif

src/Expr/Expr_Product.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#ifndef DEB
+#ifndef OCCT_DEBUG
 #define No_Standard_RangeError
 #define No_Standard_OutOfRange
 #endif

src/Expr/Expr_Sum.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#ifndef DEB
+#ifndef OCCT_DEBUG
 #define No_Standard_RangeError
 #define No_Standard_OutOfRange
 #endif

src/Expr/Expr_UnaryFunction.cxx

@@ -14,7 +14,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#ifndef DEB
+#ifndef OCCT_DEBUG
 #define No_Standard_RangeError
 #define No_Standard_OutOfRange
 #endif