add NilRowObjectError();

db/mork/src/morkRowCellCursor.cpp

@@ -138,6 +138,12 @@ morkRowCellCursor::CloseRowCellCursor(morkEnv* ev)
 // } ===== end morkNode methods =====
 // ````` ````` ````` ````` ````` 
 
+/*static*/ void
+morkRowCellCursor::NilRowObjectError(morkEnv* ev)
+{
+  ev->NewError("nil mRowCellCursor_RowObject");
+}
+
 /*static*/ void
 morkRowCellCursor::NonRowCellCursorTypeError(morkEnv* ev)
 {

db/mork/src/morkRowCellCursor.h

@@ -76,7 +76,8 @@ public: // dynamic type identification
   { return IsNode() && mNode_Derived == morkDerived_kRowCellCursor; }
 // } ===== end morkNode methods =====
 
-public: // typing
+public: // errors
+  static void NilRowObjectError(morkEnv* ev);
   static void NonRowCellCursorTypeError(morkEnv* ev);
 
 public: // other cell cursor methods

mailnews/db/mork/src/morkRowCellCursor.cpp

@@ -138,6 +138,12 @@ morkRowCellCursor::CloseRowCellCursor(morkEnv* ev)
 // } ===== end morkNode methods =====
 // ````` ````` ````` ````` ````` 
 
+/*static*/ void
+morkRowCellCursor::NilRowObjectError(morkEnv* ev)
+{
+  ev->NewError("nil mRowCellCursor_RowObject");
+}
+
 /*static*/ void
 morkRowCellCursor::NonRowCellCursorTypeError(morkEnv* ev)
 {

mailnews/db/mork/src/morkRowCellCursor.h

@@ -76,7 +76,8 @@ public: // dynamic type identification
   { return IsNode() && mNode_Derived == morkDerived_kRowCellCursor; }
 // } ===== end morkNode methods =====
 
-public: // typing
+public: // errors
+  static void NilRowObjectError(morkEnv* ev);
   static void NonRowCellCursorTypeError(morkEnv* ev);
 
 public: // other cell cursor methods