void EngineListener_MethodCall(int mIndex, int methodKind, IntPtr metArgs)
{
switch (methodKind)
{
case 1:
{
//property get
if (mIndex == 0)
{
return;
}
//------------------------------------------
JsMethodDefinition getterMethod = registerProperties[mIndex].GetterMethod;
if (getterMethod != null)
{
getterMethod.InvokeMethod(new ManagedMethodArgs(this, metArgs));
}
}
break;
case 2:
{
//property set
if (mIndex == 0)
{
return;
}
//------------------------------------------
JsMethodDefinition setterMethod = registerProperties[mIndex].SetterMethod;
if (setterMethod != null)
{
setterMethod.InvokeMethod(new ManagedMethodArgs(this, metArgs));
}
}
break;
default:
{
if (mIndex == 0)
{
return;
}
JsMethodDefinition foundMet = registerMethods[mIndex];
if (foundMet != null)
{
foundMet.InvokeMethod(new ManagedMethodArgs(this, metArgs));
}
}
break;
}
}
public virtual JsMethodDefinition GetJsMethod()
{
if (onlyOneMember != null)
{
return(onlyOneMember);
}
else
{
//if we have > 1 member
//create a 'wrapper' method for all method in this group
//------
//analyze method based on arg count and the arg type
//quite complex
//------
//this is a default .... resolver
//you can provide a special method overload resolution
//for each method group
if (sameArgNumMethodLists == null)
{
sameArgNumMethodLists = new Dictionary <int, SameArgMethodList>();
int j = members.Count;
for (int i = 0; i < j; ++i)
{
JsMethodDefinition met = members[i];
ParameterInfo[] pars = met.Parameters;
if (pars != null)
{
SameArgMethodList existingMethods;
int count = pars.Length;
if (!sameArgNumMethodLists.TryGetValue(count, out existingMethods))
{
existingMethods = new SameArgMethodList(count, met);
sameArgNumMethodLists.Add(count, existingMethods);
}
else
{
existingMethods.AddMore(met);
}
}
else
{
//delegate base?
//
//TODO : review this again
return(null);
}
}
}
return(new JsMethodDefinition(this.Name, args =>
{
//how to select the best over method based on input args:
//this resolve at runtime=> may be slow
//TODO: review here again
//num of arg not match
//TODO &
//LIMITATION: this version dose NOT support
//1. default parameter
//2. param args
//invoke method
var thisArg = args.GetThisArg();
//actual input arg count
int actualArgCount = args.ArgCount;
SameArgMethodList foundMets;
if (!sameArgNumMethodLists.TryGetValue(actualArgCount, out foundMets))
{
//so if num of arg not match the return
args.SetResultUndefined(); //?
return;
}
//-----------
//select best method by checking each vars
//TODO: how to find hints ?
//best match args
object[] inputArgs = new object[actualArgCount];
Type[] inputArgsTypes = new Type[actualArgCount];
for (int i = 0; i < actualArgCount; ++i)
{
object arg_v = args.GetArgAsObject(i);
inputArgs[i] = arg_v;
if (arg_v == null)
{
//review here again
inputArgsTypes[i] = null;//null value
}
else
{
inputArgsTypes[i] = arg_v.GetType();
}
}
JsMethodDefinition selectedMet = foundMets.SelectBestMethod(inputArgsTypes);
if (selectedMet == null)
{
//if not found
//TODO: review here , throw exception?
args.SetResultUndefined(); //?
return;
}
selectedMet.InvokeMethod(args);
}));
}
}
