internal static Instruction CreateDynamicInstruction(Type delegateType, CallSiteBinder binder)
{
Func <CallSiteBinder, Instruction> factory;
lock (s_factories)
{
if (!s_factories.TryGetValue(delegateType, out factory))
{
if (delegateType.GetMethod("Invoke").ReturnType == typeof(void))
{
// TODO: We should generally support void returning binders but the only
// ones that exist are delete index/member who's perf isn't that critical.
return(new DynamicInstructionN(delegateType, CallSite.Create(delegateType, binder), true));
}
Type instructionType = DynamicInstructionN.GetDynamicInstructionType(delegateType);
if (instructionType == null)
{
return(new DynamicInstructionN(delegateType, CallSite.Create(delegateType, binder)));
}
factory =
(Func <CallSiteBinder, Instruction>)
instructionType.GetMethod("Factory").CreateDelegate(typeof(Func <CallSiteBinder, Instruction>));
s_factories[delegateType] = factory;
}
}
return(factory(binder));
}
internal static Instruction CreateDynamicInstruction(Type delegateType, CallSiteBinder binder)
{
Func <CallSiteBinder, Instruction> func = null;
Instruction dynamicInstructionN;
lock (InstructionList._factories)
{
if (!InstructionList._factories.TryGetValue(delegateType, out func))
{
if (delegateType.GetMethod("Invoke").ReturnType != typeof(void))
{
Type dynamicInstructionType = DynamicInstructionN.GetDynamicInstructionType(delegateType);
if (dynamicInstructionType != null)
{
func = (Func <CallSiteBinder, Instruction>)Delegate.CreateDelegate(typeof(Func <CallSiteBinder, Instruction>), dynamicInstructionType.GetMethod("Factory"));
InstructionList._factories[delegateType] = func;
}
else
{
dynamicInstructionN = new DynamicInstructionN(delegateType, CallSite.Create(delegateType, binder));
return(dynamicInstructionN);
}
}
else
{
dynamicInstructionN = new DynamicInstructionN(delegateType, CallSite.Create(delegateType, binder), true);
return(dynamicInstructionN);
}
}
return(func(binder));
}
return(dynamicInstructionN);
}