public OperationRetBoolBinder(PythonBinaryOperationBinder operationBinder, ConversionBinder conversionBinder) :
base(new BinderMappingInfo(
operationBinder,
ParameterMappingInfo.Parameter(0),
ParameterMappingInfo.Parameter(1)
),
new BinderMappingInfo(
conversionBinder,
ParameterMappingInfo.Action(0)
)
) {
_opBinder = operationBinder;
_convBinder = conversionBinder;
}
internal PythonBinaryOperationBinder/*!*/ BinaryOperation(ExpressionType operation) {
if (_binaryBinders == null) {
Interlocked.CompareExchange(
ref _binaryBinders,
new Dictionary<ExpressionType, PythonBinaryOperationBinder>(),
null
);
}
lock (_binaryBinders) {
PythonBinaryOperationBinder res;
if (!_binaryBinders.TryGetValue(operation, out res)) {
_binaryBinders[operation] = res = new PythonBinaryOperationBinder(this, operation);
}
return res;
}
}