/// <summary>
/// Determines whether the specified name on target is event. This allows you to know whether to InvokeMemberAction
/// add_{name} or a combo of {invokeGet, +=, invokeSet} and the corresponding remove_{name}
/// or a combo of {invokeGet, -=, invokeSet}
/// </summary>
/// <param name="target">The target.</param>
/// <param name="name">The name.</param>
/// <returns>
/// <c>true</c> if the specified target is event; otherwise, <c>false</c>.
/// </returns>
public static bool InvokeIsEvent(object target, string name)
{
target = target.GetTargetContext(out var tContext, out var tStaticContext);
tContext = tContext.FixContext();
CallSite tCallSite = null;
return(InvokeHelper.InvokeIsEventCallSite(target, name, tContext, ref tCallSite));
}
public override object Invoke(object target, params object[] args)
{
var tIContext = target as InvokeContext;
if (tIContext != null)
{
target = tIContext.Target;
}
if (args == null)
{
args = new object[] { null };
}
if (args.Length != _argCount)
{
switch (Kind)
{
case InvocationKind.Convert:
if (args.Length > 0)
{
if (!Equals(args[0], _convertType))
{
throw new ArgumentException("CacheableInvocation can't change conversion type on invoke.", "args");
}
}
if (args.Length > 1)
{
if (!Equals(args[1], _convertExplicit))
{
throw new ArgumentException("CacheableInvocation can't change explict/implict conversion on invoke.", "args");
}
}
if (args.Length > 2)
{
goto default;
}
break;
default:
throw new ArgumentException("args", string.Format("Incorrect number of Arguments for CachedInvocation, Expected:{0}", _argCount));
}
}
switch (Kind)
{
case InvocationKind.Constructor:
var tTarget = (Type)target;
return(InvokeHelper.InvokeConstructorCallSite(tTarget, tTarget.IsValueType, args, _argNames,
ref _callSite));
case InvocationKind.Convert:
return(InvokeHelper.InvokeConvertCallSite(target, _convertExplicit, _convertType, _context,
ref _callSite));
case InvocationKind.Get:
return(InvokeHelper.InvokeGetCallSite(target, Name.Name, _context, _staticContext, ref _callSite));
case InvocationKind.Set:
InvokeHelper.InvokeSetCallSite(target, Name.Name, args[0], _context, _staticContext, ref _callSite);
return(null);
case InvocationKind.GetIndex:
return(InvokeHelper.InvokeGetIndexCallSite(target, args, _argNames, _context, _staticContext, ref _callSite));
case InvocationKind.SetIndex:
Impromptu.InvokeSetIndex(target, args);
return(null);
case InvocationKind.InvokeMember:
return(InvokeHelper.InvokeMemberCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite));
case InvocationKind.InvokeMemberAction:
InvokeHelper.InvokeMemberActionCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite);
return(null);
case InvocationKind.InvokeMemberUnknown:
{
try
{
var tObj = InvokeHelper.InvokeMemberCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite);
return(tObj);
}
catch (RuntimeBinderException)
{
InvokeHelper.InvokeMemberActionCallSite(target, Name, args, _argNames, _context, _staticContext, ref _callSite2);
return(null);
}
}
case InvocationKind.Invoke:
return(InvokeHelper.InvokeDirectCallSite(target, args, _argNames, _context, _staticContext, ref _callSite));
case InvocationKind.InvokeAction:
InvokeHelper.InvokeDirectActionCallSite(target, args, _argNames, _context, _staticContext, ref _callSite);
return(null);
case InvocationKind.InvokeUnknown:
{
try
{
var tObj = InvokeHelper.InvokeDirectCallSite(target, args, _argNames, _context, _staticContext, ref _callSite);
return(tObj);
}
catch (RuntimeBinderException)
{
InvokeHelper.InvokeDirectActionCallSite(target, args, _argNames, _context, _staticContext, ref _callSite2);
return(null);
}
}
case InvocationKind.AddAssign:
InvokeHelper.InvokeAddAssignCallSite(target, Name.Name, args, _argNames, _context, _staticContext, ref _callSite, ref _callSite2, ref _callSite3, ref _callSite4);
return(null);
case InvocationKind.SubtractAssign:
InvokeHelper.InvokeSubtractAssignCallSite(target, Name.Name, args, _argNames, _context, _staticContext, ref _callSite, ref _callSite2, ref _callSite3, ref _callSite4);
return(null);
case InvocationKind.IsEvent:
return(InvokeHelper.InvokeIsEventCallSite(target, Name.Name, _context, ref _callSite));
default:
throw new InvalidOperationException("Unknown Invocation Kind: " + Kind);
}
}