public object VisitRun(RunExpr expr)
{
// 1. visit the function call
var result = expr.FuncCallExpr.Visit(this);
// Case 1. Call something after?
if (expr.FuncCallOnAfterExpr != null && expr.Mode == "after")
{
result = expr.FuncCallOnAfterExpr.Visit(this);
}
// Case 2. Call something with the input from the first ?
else if (expr.FuncCallOnAfterExpr != null && expr.Mode == "on")
{
var funcCallExpr = expr.FuncCallOnAfterExpr as FunctionCallExpr;
funcCallExpr.RetainEvaluatedParams = true;
if(funcCallExpr.ParamList == null)
funcCallExpr.ParamList = new List<object>();
funcCallExpr.ParamList.Add(result);
funcCallExpr.Visit(this);
}
return result;
}
/// <summary>
/// Creates an array expression from the parameters supplied.
/// </summary>
/// <param name="fields"></param>
/// <param name="token"></param>
/// <returns></returns>
public static Expr Run(string funcName, Expr funcCallExpr, TokenData token)
{
var exp = new RunExpr();
exp.FuncName = funcName;
exp.FuncCallExpr = funcCallExpr;
SetupContext(exp, token);
return exp;
}
public object VisitRun(RunExpr expr)
{
return null;
}