private MethodBindResult BindMethod(string name, Type[] typeArgs, object[] args, object[] bindArgs)
{
// WARNING: BindSignature holds on to the specified typeArgs; subsequent modification
// will result in bugs that are difficult to diagnose. Create a copy if necessary.
var signature = new BindSignature(target, name, typeArgs, bindArgs);
MethodBindResult result;
object rawResult;
if (engine.TryGetCachedBindResult(signature, out rawResult))
{
result = MethodBindResult.Create(name, rawResult, target, args);
}
else
{
result = BindMethodInternal(name, typeArgs, args, bindArgs);
if (!result.IsPreferredMethod(name))
{
if (result is MethodBindSuccess)
{
result = new MethodBindFailure(() => new MissingMemberException(MiscHelpers.FormatInvariant("Object has no method named '{0}' that matches the specified arguments", name)));
}
foreach (var altName in GetAltMethodNames(name))
{
var altResult = BindMethodInternal(altName, typeArgs, args, bindArgs);
if (altResult.IsUnblockedMethod())
{
result = altResult;
break;
}
}
}
engine.CacheBindResult(signature, result.RawResult);
}
return(result);
}
private static MethodBindResult BindMethodInternal(Type bindContext, BindingFlags bindFlags, HostTarget target, string name, Type[] typeArgs, object[] args, object[] bindArgs)
{
// WARNING: BindSignature holds on to the specified typeArgs; subsequent modification
// will result in bugs that are difficult to diagnose. Create a copy if necessary.
var signature = new BindSignature(bindContext, bindFlags, target, name, typeArgs, bindArgs);
MethodBindResult result;
object rawResult;
if (coreBindCache.TryGetValue(signature, out rawResult))
{
result = MethodBindResult.Create(name, rawResult, target, args);
}
else
{
result = BindMethodCore(bindContext, bindFlags, target, name, typeArgs, args, bindArgs);
coreBindCache.TryAdd(signature, result.RawResult);
}
return(result);
}
private MethodBindResult BindMethodUsingReflection(BindingFlags bindFlags, HostTarget hostTarget, string name, Type[] typeArgs, object[] args)
{
var candidates = GetReflectionCandidates(bindFlags, hostTarget, name, typeArgs).Distinct().ToArray();
if (candidates.Length > 0)
{
try
{
// ReSharper disable once CoVariantArrayConversion
var rawResult = Type.DefaultBinder.BindToMethod(bindFlags, candidates, ref args, null, null, null, out _);
return(MethodBindResult.Create(name, bindFlags, rawResult, hostTarget, args));
}
catch (MissingMethodException)
{
}
catch (AmbiguousMatchException)
{
}
}
return(new MethodBindFailure(() => new MissingMemberException(MiscHelpers.FormatInvariant("The object has no method named '{0}' that matches the specified arguments", name))));
}
