/// <summary>
/// visit LogicalExpression
/// </summary>
/// <param name="expression"></param>
public void Visit(SelectionRule rule)
{
VisitorEventArgs <T> args = new VisitorEventArgs <T>(currentNode: rule, stack: _stack);
// call the event
VisitingSelectionRule(this, args);
// visit subnodes from left to right
Visit(rule.Result);
Visit(rule.Selection);
// call the event
VisitedSelectionRule(this, args);
}
/// <summary>
/// visit operation Selection
/// </summary>
/// <param name="expression"></param>
public void Visit(FunctionCall call)
{
VisitorEventArgs <T> args = new VisitorEventArgs <T>(currentNode: call, stack: _stack);
// call the event
VisitingFunctionCall(this, args);
// visit subnodes
foreach (INode node in call.Nodes)
{
Visit(node);
}
// call the event
VisitedFunctionCall(this, args);
}
/// <summary>
/// visit operation Selection
/// </summary>
/// <param name="expression"></param>
public void Visit(OperationExpression expression)
{
VisitorEventArgs <T> args = new VisitorEventArgs <T>(currentNode: expression, stack: _stack);
// call the event
VisitingOperationExpression(this, args);
// visit subnodes from left to right
if (expression.Operator.Arguments >= 1)
{
Visit(expression.LeftOperand);
}
if (expression.Operator.Arguments >= 2)
{
Visit(expression.RightOperand);
}
// call the event
VisitedOperationExpression(this, args);
}
/// <summary>
/// visit the variable
/// </summary>
/// <param name="literal"></param>
public void Visit(DataObjectEntrySymbol symbol)
{
VisitorEventArgs <T> args = new VisitorEventArgs <T>(currentNode: symbol, stack: _stack);
VisitingDataObjectSymbol(this, args);
}
/// <summary>
/// visit the variable
/// </summary>
/// <param name="literal"></param>
public void Visit(Variable variable)
{
VisitorEventArgs <T> args = new VisitorEventArgs <T>(currentNode: variable, stack: _stack);
VisitingVariable(this, args);
}
/// <summary>
/// visit the literal
/// </summary>
/// <param name="literal"></param>
public void Visit(Literal literal)
{
VisitorEventArgs <T> args = new VisitorEventArgs <T>(currentNode: literal, stack: _stack);
VisitingLiteral(this, args);
}
