//readonly Type[] _targetGenericArgBindings;
public static DuckMethodBindingOption TryBind(MethodInfo adaptee, MethodInfo candidate)
{
var adapteeParams = adaptee.GetParameters();
var candidateParams = candidate.GetParameters();
if (adapteeParams.Length != candidateParams.Length)
{
return(null);
}
var retValBinding = DuckValueBindingOption.Get(candidate.ReturnType, adaptee.ReturnType);
if (!retValBinding.Bindable)
{
return(null);
}
var paramBindings = new List <DuckParamBindingOption>(adapteeParams.Length);
for (int i = 0; i < adapteeParams.Length; ++i)
{
var paramBinding = DuckParamBindingOption.Get(adapteeParams[i], candidateParams[i]);
if (!paramBinding.Bindable)
{
return(null);
}
paramBindings.Add(paramBinding);
}
return(new StandardMethodBinding(adaptee, candidate, retValBinding, paramBindings));
}
public static DuckParamBindingOption TryBind(ParameterInfo fromParam, ParameterInfo toParam)
{
if (fromParam.IsOut != toParam.IsOut || fromParam.IsRetval != toParam.IsRetval)
{
return(null);
}
var valueBinding = DuckValueBindingOption.Get(fromParam.ParameterType, toParam.ParameterType);
return(valueBinding.Bindable ? new InParamBinding(valueBinding) : null);
}
public static DuckParamBindingOption TryBind(ParameterInfo fromParam, ParameterInfo toParam)
{
if (!fromParam.IsOut || !toParam.IsOut)
{
return(null);
}
var toType = toParam.ParameterType.GetElementType();
var fromType = fromParam.ParameterType.GetElementType();
var valueBinding = DuckValueBindingOption.Get(toType, fromType);
return(valueBinding.Bindable ? new OutParamBinding(valueBinding, fromType, toType) : null);
}