public static void DeleteTriggerStep(Context ctx, ref TriggerStep triggerStep)
{
while (triggerStep != null)
{
TriggerStep tmp = triggerStep;
triggerStep = triggerStep.Next;
Expr.Delete(ctx, ref tmp.Where);
Expr.ListDelete(ctx, ref tmp.ExprList);
Select.Delete(ctx, ref tmp.Select);
Parse.IdListDelete(ctx, ref tmp.IdList);
C._tagfree(ctx, ref tmp);
triggerStep = null; //: C#
}
}
