/// <summary>
/// The base constructor
/// </summary>
/// <param name="type">A logical operation's type</param>
/// <param name="firstOp">The operand stores an integer value</param>
/// <param name="secondOp">The operand is needed when modulo comparison is used (stores 1 or 0)</param>
public CLambdaPredicateASTNode(E_LOGIC_OP_TYPE type, IValueASTNode firstOp, IValueASTNode secondOp) :
base(E_NODE_TYPE.NT_LAMBDA_PREDICATE)
{
mLogicOpType = type;
IASTNode firstOpNode = firstOp as IASTNode;
IASTNode secondOpNode = secondOp as IASTNode;
firstOpNode.Parent = this;
firstOpNode.NodeId = 0;
mChildren.Add(firstOpNode);
if (secondOpNode != null)
{
secondOpNode.Parent = this;
secondOpNode.NodeId = 1;
mChildren.Add(secondOpNode);
}
mAttributes = E_NODE_ATTRIBUTES.NA_IS_LEAF_NODE;
}
public string VisitValueNode(IValueASTNode value)
{
StringBuilder arrayStr = new StringBuilder("[");
int[] values = value.Value;
int valuesCount = values.Length;
if (valuesCount == 0)
{
return("NULL");
}
if (valuesCount == 1)
{
return(values[0].ToString());
}
for (int i = 0; i < valuesCount; ++i)
{
if (i < valuesCount - 1)
{
arrayStr.AppendFormat("{0}, ", values[i]);
continue;
}
arrayStr.AppendFormat("{0}]", values[i]);
}
return(arrayStr.ToString());
}
public Object VisitValueNode(IValueASTNode value)
{
if (value == null)
{
throw new ArgumentNullException("value", "The argument cannot equal to null");
}
return(value.Value);
}
public CReadInputASTNode(IValueASTNode index) :
base(E_NODE_TYPE.NT_READ_INT_ARRAY)
{
IASTNode indexNode = index as IASTNode;
mChildren.Add(indexNode);
indexNode.Parent = this;
indexNode.NodeId = 0;
mAttributes = E_NODE_ATTRIBUTES.NA_IS_LEAF_NODE;
}
