public override void Visit(IASTVisitor visitor)
{
if (terminal.IsExplicit)
{
visitor.BeginNode(this);
visitor.EndNode(this);
}
}
public override void Visit(IASTVisitor visitor)
{
if (isExplicit)
{
visitor.BeginNode(this);
}
foreach (var node in nodes)
{
node.Visit(visitor);
}
if (isExplicit)
{
visitor.EndNode(this);
}
}
/// <summary>
/// Don't override this method, implement VisitNode on child
/// </summary>
/// <param name="astVisitor"></param>
/// <returns></returns>
public bool AcceptASTVisitor(IASTVisitor astVisitor) {
bool continueVisit = astVisitor.BeginNode(this) && VisitNode(astVisitor);
if (continueVisit && CodeElement != null)
{
CodeElement.AcceptASTVisitor(astVisitor);
}
if (continueVisit) {
//To Handle concurrent modifications during traverse.
//Get the array of Children that must be traverse.
Node[] childrenNodes = children.ToArray();
foreach (Node child in childrenNodes)
{
if (!continueVisit) {
break;
}
continueVisit = child.AcceptASTVisitor(astVisitor);
}
}
astVisitor.EndNode(this);
return continueVisit;
}