public static object CheckConvert(object result)
{
// Finally, convert to fluentscript types.
// Case 1: Aleady an LObject
if (result is LObject)
{
return(result);
}
// Case 2: C# type so wrap inside of fluentscript type.
return(LangTypeHelper.ConvertToLangValue(result));
}
/// <summary>
/// Evaluate the result of indexing an object e.g. users[0] or users["admins"]
/// </summary>
/// <param name="regmethods"></param>
/// <param name="node"></param>
/// <param name="target"></param>
/// <param name="ndxObj"></param>
/// <returns></returns>
public static LObject AccessIndex(RegisteredMethods regmethods, AstNode node, LObject target, LObject ndxObj)
{
object result = LObjects.Null;
// Case 1: Array access users[0];
if (target.Type == LTypes.Array)
{
var ndx = ((LNumber)ndxObj).Value;
var methods = regmethods.Get(LTypes.Array);
// TODO: Make this generic.
var length = Convert.ToInt32(methods.ExecuteMethod(target, "length", null));
if (ndx >= length)
{
throw ExceptionHelper.BuildRunTimeException(node, "Index out of bounds : '" + ndx + "'");
}
result = methods.GetByNumericIndex(target, (int)ndx);
}
// Case 2: Map access. users["kishore"];
else if (target.Type == LTypes.Map)
{
var memberName = ((LString)ndxObj).Value;
var methods = regmethods.Get(LTypes.Map);
if (!methods.HasProperty(target, memberName))
{
throw ExceptionHelper.BuildRunTimeException(node, "Property does not exist : '" + memberName + "'");
}
result = methods.GetByStringMember(target, memberName);
}
// Conver to lang type.
if (result != LObjects.Null && !(result is LObject))
{
result = LangTypeHelper.ConvertToLangValue(result);
}
return((LObject)result);
}
