/// <summary>
/// Initializes a new instance of the <see cref="CASTElement"/> class.
/// </summary>
/// <param name="nodeType">Type of the node.</param>
public CASTElement(NodeType nodeType, CASTElement parent, NodeType nodeCategory)
{
m_nodeType = nodeType;
m_nodeCategory = nodeCategory;
m_parent = parent;
m_serialNumber = m_serialNumberCounter++;
m_label = nodeType.ToString() + "_" + m_serialNumber;
}
/// <summary>
/// Adds the child to the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="child">The child.</param>
/// <param name="pos">The position.</param>
public virtual void AddChild(CASTElement child, ContextType context = ContextType.CT_NA, int pos = -1)
{
if (context == ContextType.CT_NA)
{
throw new Exception("ERROR!!! Invalid context type");
}
int contextIndex = CConfigurationSettings.m_contextTypeConfiguration[context].M_ContextIndex;
AddChild(child, contextIndex, pos);
}
public CASTComposite(NodeType nodeType, CASTElement parent,
NodeType nodeCategory = NodeType.CAT_NA) : base(nodeType, parent, nodeCategory)
{
M_NumberOfContexts = CConfigurationSettings.m_nodeTypeConfiguration[nodeType].M_NumberOfContexts;
// Instanciate the contextual IR
m_descentands = new List <CASTElement> [M_NumberOfContexts];
for (int j = 0; j < M_NumberOfContexts; j++)
{
m_descentands[j] = new List <CASTElement>();
}
}
/// <summary>
/// AddChild method inserts a child at the given context to the specified location
/// The location given by the pos parameter can take one of the following values
/// 1) -1 to indicate the last element of the list
/// 2) a positive integer indicating any position in the list where if it equals to
/// m_descentands[context].Count, it is placed at the end of the list as in option 1
/// </summary>
/// <param name="context">The context.</param>
/// <param name="child">The child.</param>
/// <param name="pos">The position.</param>
/// <exception cref="IndexOutOfRangeException">
/// Error! Negative index in array reference
/// or
/// Error! Negative index in array reference
/// </exception>
protected override void AddChild(CASTElement child, int context, int pos = -1 /*insert last by default*/)
{
if (pos == -1)
{
m_descentands[context].Add(child);
}
else if (pos > -1)
{
if (pos <= m_descentands[context].Count)
{
m_descentands[context].Insert(pos, child);
}
else
{
throw new IndexOutOfRangeException("Error! Negative index in array reference");
}
}
else
{
throw new IndexOutOfRangeException("Error! Negative index in array reference");
}
}
protected abstract void AddChild(CASTElement child, int context, int pos = -1 /*insert last by default*/);
public CASTLeaf(string literal, NodeType nodetype, CASTElement parent,
NodeType nodeCategory = NodeType.CAT_NA) : base(nodetype, parent, nodeCategory)
{
m_TokenLiteral = literal;
m_label += "< " + m_TokenLiteral + " >";
}