public override object Visit(MethodNode obj)
{
object instance;
if (obj.Variable != null)
{
instance = obj.Variable.Accept(this);
}
else
{
instance = _ctx.Resolve("this");//Note:treat it as part of host class
}
string methodName = (obj.Method as SimpleNode).Token.TokenValue;
object[] paramArray = (object[])obj.Args.Accept(this);
if (instance == null)
{
ExceptionHelper.ThrowEvalNull();
}
ISmartInvoker invoker;
ClassDefination cdef = instance as ClassDefination;
if (cdef != null)
{
invoker = EvalSmartInvoker.CreateInstance(cdef.ObjType, false);
}
else
{
invoker = EvalSmartInvoker.CreateInstance(instance, true);
}
return(invoker.Invoke(methodName, paramArray));
}
public override object Visit(IndexerNode obj)
{
object instance = obj.Variable.Accept(this);
object[] paramArray = (object[])obj.Args.Accept(this);
if (instance == null)
{
ExceptionHelper.ThrowEvalNull();
}
ISmartInvoker invoker;
ClassDefination cdef = instance as ClassDefination;
if (cdef != null)
{
invoker = EvalSmartInvoker.CreateInstance(cdef.ObjType, false);
}
else
{
invoker = EvalSmartInvoker.CreateInstance(instance, true);
}
if (instance.GetType().IsArray)//Note:invoke "Get" on array
{
return(invoker.Invoke("Get", paramArray));
}
else//Note:invoke indexer on instance
{
try//Note:Try indexer first
{
return(invoker.Invoke("get_Item", paramArray));
}
catch//Note:then try property
{
if (paramArray.Length == 1 && paramArray[0] != null)
{
string propertyName = paramArray[0].ToString();
IReflector r = Reflector.Bind(instance);
if (r.ExistProperty(propertyName))
{
return(r.GetPropertyValue(propertyName));
}
else if (r.ExistField(propertyName))
{
return(r.GetFieldValue(propertyName));
}
else
{
ExceptionHelper.ThrowIndexOrPropertyNotExist(instance.GetType(), propertyName);
}
}
//Note:Can not convert to property, throw
throw;
}
}
}
public override object Visit(NewNode obj)
{
ClassDefination cd = (ClassDefination)obj.Type.Accept(this);
object[] paramList = (object[])obj.CtorParams.Accept(this);
ISmartInvoker s = EvalSmartInvoker.CreateInstance(cd.ObjType, false);
return(s.InvokeConstructor(paramList));
}
