示例#1
0
 private void PushToStack(ParseOperation parseOperation)
 {
     if (_parseOperationStack.Count > 0 && _parseOperationStack.Peek().Priority >= parseOperation.Priority)
     {
         _parseSequence.Enqueue(new Parse(_parseOperationStack.Pop()));
         PushToStack(parseOperation);
     }
     else
     {
         _parseOperationStack.Push(parseOperation);
     }
 }
示例#2
0
        public void Add(Token token)
        {
            switch (token.TokenType)
            {
            case TokenType.PRINT:
                ReleaseParseOperationStack();
                _parseSequence.Enqueue(new Parse(token));
                break;

            case TokenType.DIGIT:
            case TokenType.VAR:
            case TokenType.CREATE_LIST:
            case TokenType.CREATE_HASH_SET:
            case TokenType.ASYNC:
                _parseSequence.Enqueue(new Parse(token));
                break;

            case TokenType.LB_S:
                _parseOperationStack.Push(new ParseOperation(token));
                break;

            case TokenType.RB_S:
                for (ParseOperation stackParseOperation = _parseOperationStack.Pop(); stackParseOperation.parseType != ParseType.LB_S; stackParseOperation = _parseOperationStack.Pop())
                {
                    _parseSequence.Enqueue(new Parse(stackParseOperation));
                }
                _parseSequence.Enqueue(new Parse("I", ParseType.INDEX));
                break;

            case TokenType.LB:
                _parseOperationStack.Push(new ParseOperation(token));
                break;

            case TokenType.RB:
                for (ParseOperation stackParseOperation = _parseOperationStack.Pop(); stackParseOperation.parseType != ParseType.LB; stackParseOperation = _parseOperationStack.Pop())
                {
                    _parseSequence.Enqueue(new Parse(stackParseOperation));
                }
                break;

            default:
                ParseOperation parseOperation = new ParseOperation(token);
                PushToStack(parseOperation);
                break;
            }
        }
示例#3
0
 public Parse(ParseOperation parseOperation)
 {
     ParseType = parseOperation.parseType;
     Value     = parseOperation.Value;
 }