static Action <MemberInfo, TextWriter, object, int> GetSemiStaticSerializerFor(Type type, Options opts)
{
var key = Tuple.Create(type, opts);
var ret = (Action <MemberInfo, TextWriter, object, int>)GetSemiStaticSerializerForCache[key];
if (ret != null)
{
return(ret);
}
var getSemiStaticSerializer = GetSemiStaticInlineSerializerFor.MakeGenericMethod(type);
var invoke = typeof(Action <, ,>).MakeGenericType(typeof(TextWriter), type, typeof(int)).GetMethod("Invoke");
var emit = Emit.NewDynamicMethod(typeof(void), new[] { typeof(MemberInfo), typeof(TextWriter), typeof(object), typeof(int) }, doVerify: Utils.DoVerify);
var optsField = OptionsLookup.GetOptionsFieldFor(opts);
emit.LoadArgument(0); // MemberInfo
emit.LoadField(optsField); // MemberInfo Options
emit.Call(getSemiStaticSerializer); // Action<TextWriter, Type, int>
emit.LoadArgument(1); // Action<TextWriter, Type, int> TextWriter
emit.LoadArgument(2); // Action<TextWriter, Type, int> TextWriter object
if (type.IsValueType)
{
emit.UnboxAny(type); // Action<TextWriter, Type, int> TextWriter type
}
else
{
emit.CastClass(type); // Action<TextWriter, Type, int> TextWriter type
}
emit.LoadArgument(3); // Action<TextWriter, Type, int> TextWriter type int
emit.Call(invoke); // --empty--
emit.Return(); // --empty--
lock (GetSemiStaticSerializerForCache)
{
ret = (Action <MemberInfo, TextWriter, object, int>)GetSemiStaticSerializerForCache[key];
if (ret != null)
{
return(ret);
}
GetSemiStaticSerializerForCache[key] = ret = emit.CreateDelegate <Action <MemberInfo, TextWriter, object, int> >(optimizationOptions: Utils.DelegateOptimizationOptions);
}
return(ret);
}
static Action <TextWriter, T, int> _GetFor(
bool prettyPrint,
bool excludeNulls,
bool jsonp,
DateTimeFormat dateFormat,
bool includeInherited
)
{
var opts = new Options(prettyPrint, excludeNulls, jsonp, dateFormat, includeInherited);
var cached = (Action <TextWriter, T, int>)Cache[opts];
if (cached != null)
{
return(cached);
}
lock (Cache)
{
cached = (Action <TextWriter, T, int>)Cache[opts];
if (cached != null)
{
return(cached);
}
var type = typeof(T);
var optionsField = OptionsLookup.GetOptionsFieldFor(opts);
var serializeMtd = DynamicSerializer.SerializeMtd;
var emit = Emit.NewDynamicMethod(typeof(void), new[] { typeof(TextWriter), type, typeof(int) }, doVerify: Utils.DoVerify);
emit.LoadArgument(0); // TextWriter
emit.LoadArgument(1); // TextWriter T
emit.LoadField(optionsField); // TextWriter T options
emit.LoadArgument(2); // TextWriter T options int
emit.Call(serializeMtd); // --empty--
emit.Return();
Cache[opts] = cached = emit.CreateDelegate <Action <TextWriter, T, int> >(Utils.DelegateOptimizationOptions);
return(cached);
}
}
