public override void Init(Irony.Parsing.ParsingContext context, Irony.Parsing.ParseTreeNode treeNode)
{
base.Init(context, treeNode);
Name = treeNode.ChildNodes[0].FindTokenAndGetText();
ExecuteFrequency = AddChild("executeFrequency", treeNode.ChildNodes[1]) as ExecutonFrequencyAstNode;
Statements = (StatementListNode)AddChild("statements", treeNode.ChildNodes[2]);
}
/// <summary>
/// Transform execute frequency from rule ast node to model
/// </summary>
/// <param name="tradingRuleAst"></param>
/// <returns></returns>
private TimeIntervalDefinition ConvertExecutionFrequency(ExecutonFrequencyAstNode executeFrequency)
{
if (executeFrequency is ConcreteTimeDefinitionAstNode)
{
return new ConcreteTimeDefinition()
{
ExecuteTime = ((ConcreteTimeDefinitionAstNode)executeFrequency).ExecuteTime
};
}
else if (executeFrequency is PeriodicTimeDefinitionAstNode)
{
PeriodicTimeDefinitionAstNode periodicTimeDefAst = executeFrequency as PeriodicTimeDefinitionAstNode;
return new PeriodicTimeDefinition(
ConvertExpressionAst(periodicTimeDefAst.Value),
PeriodicTypeConvert(periodicTimeDefAst.PeriodicType)
);
}
else if (executeFrequency is WeekDayTimeDefinitionAstNode)
{
return new WeekDayTimeDefinition()
{
DayOfWeek = ((WeekDayTimeDefinitionAstNode)executeFrequency).Weekday.DayOfWeek
};
}
else
throw new TypeAccessException("The type of ExecuteFrequency is not handled. Type of ExecuteFrequency: " + executeFrequency.GetType());
}