Пример #1
0
        public static bool TryConvertToArmExpression(object value, out ArmExpression armExpression)
        {
            if (value is null)
            {
                armExpression = ArmNullLiteral.Value;
                return(true);
            }

            Type type = value.GetType();

            switch (Type.GetTypeCode(type))
            {
            case TypeCode.String:
            case TypeCode.DateTime:
            case TypeCode.Char:
                armExpression = new ArmStringLiteral(value.ToString());
                return(true);

            case TypeCode.Int32:
            case TypeCode.Int64:
            case TypeCode.Int16:
            case TypeCode.UInt32:
            case TypeCode.UInt64:
            case TypeCode.UInt16:
            case TypeCode.Byte:
            case TypeCode.SByte:
                armExpression = new ArmIntegerLiteral(Convert.ToInt64(value));
                return(true);

            case TypeCode.Single:
            case TypeCode.Double:
            case TypeCode.Decimal:
                armExpression = new ArmDoubleLiteral(Convert.ToDouble(value));
                return(true);

            case TypeCode.Boolean:
                armExpression = Convert.ToBoolean(value) ? ArmBooleanLiteral.True : ArmBooleanLiteral.False;
                return(true);

            case TypeCode.DBNull:
                armExpression = ArmNullLiteral.Value;
                return(true);
            }

            if (value is ArmExpression inputArmExpression)
            {
                armExpression = inputArmExpression;
                return(true);
            }

            armExpression = null;
            return(false);
        }
Пример #2
0
        public override IArmElement Instantiate(IReadOnlyDictionary <IArmString, ArmElement> parameters)
        {
            if (Arguments is null)
            {
                return(this);
            }

            var args = new ArmExpression[Arguments.Count];

            for (int i = 0; i < Arguments.Count; i++)
            {
                args[i] = (ArmExpression)Arguments[i].Instantiate(parameters);
            }

            return(new ArmFunctionCallExpression(
                       (IArmString)Function.Instantiate(parameters),
                       args));
        }
Пример #3
0
 public ArmIndexAccessExpression(ArmOperation expression, ArmExpression index)
     : this()
 {
     InnerExpression = expression;
     Index           = index;
 }