Axiom.Compiler.Framework.PrologVariableDictionary.Add C# (CSharp) Метод

        public void Add(object key, object val)
        {
            string name = (string)key;

            if(this.Contains(key))
            {
                PrologVariableDictionaryEntry entry = GetEntry((string)key);
                entry.Occurrences += 1;
                entry.LastGoal = _currentGoalIndex;
                entry.LastGoalArgument = _currentArgumentIndex;
            }
            else
            {
                PrologVariableDictionaryEntry variable = new PrologVariableDictionaryEntry(name, -1);
                variable.Occurrences = 0;
                variable.FirstGoal = _currentGoalIndex;
                variable.IsReferenced = false;
                variable.IsGlobal = false;
                variable.Occurrences += 1;
                variable.LastGoal = _currentGoalIndex;
                variable.LastGoalArgument = _currentArgumentIndex;
                variable.IsReferenced = false;
                _items.Add(variable);
            }
        }