internal DynamicMetaObjectBinder ConvertRetObject(Type type, ConversionResultKind resultKind)
{
if (_convertRetObjectBinders == null)
{
Interlocked.CompareExchange(
ref _convertRetObjectBinders,
new Dictionary<Type, DynamicMetaObjectBinder>[(int)ConversionResultKind.ImplicitTry + 1],
null
);
}
if (_convertRetObjectBinders[(int)resultKind] == null)
{
Interlocked.CompareExchange(
ref _convertRetObjectBinders[(int)resultKind],
new Dictionary<Type, DynamicMetaObjectBinder>(),
null
);
}
Dictionary<Type, DynamicMetaObjectBinder> dict = _convertRetObjectBinders[(int)resultKind];
lock (dict)
{
DynamicMetaObjectBinder res;
if (!dict.TryGetValue(type, out res))
dict[type] = res = new TotemConversionBinder(this, type, resultKind, true);
return res;
}
}
public DynamicConvertExpression(TotemConversionBinder binder, CompilationMode mode, Expression target)
{
_binder = binder;
_mode = mode;
_target = target;
}
internal TotemConversionBinder Convert(Type type, ConversionResultKind resultKind)
{
if (_conversionBinders == null)
{
Interlocked.CompareExchange(
ref _conversionBinders,
new Dictionary<Type, TotemConversionBinder>[(int)ConversionResultKind.ExplicitTry + 1], // max conversion result kind
null
);
}
if (_conversionBinders[(int)resultKind] == null)
{
Interlocked.CompareExchange(
ref _conversionBinders[(int)resultKind],
new Dictionary<Type, TotemConversionBinder>(),
null
);
}
Dictionary<Type, TotemConversionBinder> dict = _conversionBinders[(int)resultKind];
lock (dict)
{
TotemConversionBinder res;
if (!dict.TryGetValue(type, out res))
dict[type] = res = new TotemConversionBinder(this, type, resultKind);
return res;
}
}
