public void SetValue <T>(Script script, T obj, DynValue value)
{
this.CheckAccess(MemberDescriptorAccess.CanWrite, obj);
object v = ScriptToClrConversions.DynValueToTypedValue <T>(value, default(T), false);
SetValueImpl(script, obj, v);
}
private static object ArrayIndexerSet(object arrayObj, ScriptExecutionContext ctx, CallbackArguments args)
{
Array array = (Array)arrayObj;
int[] indices = BuildArrayIndices(args, args.Count - 1);
DynValue value = args[args.Count - 1];
Type elemType = array.GetType().GetElementType();
object objValue = ScriptToClrConversions.DynValueToTypedValue <object>(value, null, false);
array.SetValue(objValue, indices);
return(DynValue.Void);
}
/// <summary>
/// Converts this MoonSharp DynValue to a CLR object.
/// </summary>
public T ToObject <T>()
{
return(ScriptToClrConversions.DynValueToTypedValue(this, default(T), true));
}
/// <summary>
/// Builds the argument list.
/// </summary>
/// <param name="script">The script.</param>
/// <param name="obj">The object.</param>
/// <param name="context">The context.</param>
/// <param name="args">The arguments.</param>
/// <param name="outParams">Output: A list containing the indices of all "out" parameters, or null if no out parameters are specified.</param>
/// <returns>The arguments, appropriately converted.</returns>
protected virtual object[] BuildArgumentList(Script script, object obj, ScriptExecutionContext context, CallbackArguments args,
out List <int> outParams)
{
ParameterDescriptor[] parameters = Parameters;
object[] pars = new object[parameters.Length];
int j = args.IsMethodCall ? 1 : 0;
outParams = null;
for (int i = 0; i < pars.Length; i++)
{
// keep track of out and ref params
if (parameters[i].Type.IsByRef)
{
if (outParams == null)
{
outParams = new List <int>();
}
outParams.Add(i);
}
// if an ext method, we have an obj -> fill the first param
if (ExtensionMethodType != null && obj != null && i == 0)
{
pars[i] = obj;
continue;
}
// else, fill types with a supported type
else if (parameters[i].Type == typeof(Script))
{
pars[i] = script;
}
else if (parameters[i].Type == typeof(ScriptExecutionContext))
{
pars[i] = context;
}
else if (parameters[i].Type == typeof(CallbackArguments))
{
pars[i] = args.SkipMethodCall();
}
// else, ignore out params
else if (parameters[i].IsOut)
{
pars[i] = null;
}
else if (i == parameters.Length - 1 && VarArgsArrayType != null)
{
List <DynValue> extraArgs = new List <DynValue>();
while (true)
{
DynValue arg = args.RawGet(j, false);
j += 1;
if (arg.IsValid)
{
extraArgs.Add(arg);
}
else
{
break;
}
}
// here we have to worry we already have an array.. damn. We only support this for userdata.
// remains to be analyzed what's the correct behavior here. For example, let's take a params object[]..
// given a single table parameter, should it use it as an array or as an object itself ?
if (extraArgs.Count == 1)
{
DynValue arg = extraArgs[0];
if (arg.Type == DataType.UserData && arg.UserData.HasValue())
{
if (arg.UserData.UnderlyingType.IsAssignableFrom(VarArgsArrayType))
{
object o;
arg.UserData.TryGet(out o);
pars[i] = o;
continue;
}
}
}
// ok let's create an array, and loop
Array vararg = Array.CreateInstance(VarArgsElementType, extraArgs.Count);
for (int ii = 0; ii < extraArgs.Count; ii++)
{
vararg.SetValue(ScriptToClrConversions.DynValueToTypedValue <object>(extraArgs[ii], null, false), ii);
}
pars[i] = vararg;
}
// else, convert it
else
{
var arg = args.RawGet(j, false);
if (!arg.IsValid)
{
arg = DynValue.Void;
}
pars[i] = ScriptToClrConversions.DynValueToTypedValue <object>(arg, parameters[i].DefaultValue, parameters[i].HasDefaultValue);
j += 1;
}
}
return(pars);
}
