/// <summary>
/// Creates a new BindingTarget when the method binding has succeeded.
/// </summary>
internal BindingTarget(string name, int actualArgumentCount, MethodTarget target, NarrowingLevel level, RestrictionInfo restrictedArgs) {
_name = name;
_target = target;
_restrictedArgs = restrictedArgs;
_level = level;
_actualArgs = actualArgumentCount;
}
private readonly int _actualArgs; // gets the actual number of arguments provided
/// <summary>
/// Creates a new BindingTarget when the method binding has succeeded.
/// </summary>
internal BindingTarget(string name, int actualArgumentCount, MethodCandidate candidate, NarrowingLevel level, RestrictionInfo restrictedArgs) {
_name = name;
_candidate = candidate;
_restrictedArgs = restrictedArgs;
_level = level;
_actualArgs = actualArgumentCount;
}
internal OptimizingCallDelegate MakeDelegate(RestrictionInfo restrictionInfo) {
MethodInfo mi = Method as MethodInfo;
if (mi == null) {
return null;
}
Type declType = mi.GetBaseDefinition().DeclaringType;
if (declType != null &&
declType.Assembly == typeof(string).Assembly &&
declType.IsSubclassOf(typeof(MemberInfo))) {
// members of reflection are off limits via reflection in partial trust
return null;
}
if (_returnBuilder.CountOutParams > 0) {
return null;
}
// if we have a non-visible method see if we can find a better method which
// will call the same thing but is visible. If this fails we still bind anyway - it's
// the callers responsibility to filter out non-visible methods.
mi = CompilerHelpers.TryGetCallableMethod(mi);
Func<object[], object>[] builders = new Func<object[], object>[_argBuilders.Count];
bool[] hasBeenUsed = new bool[restrictionInfo.Objects.Length];
for (int i = 0; i < _argBuilders.Count; i++) {
var builder = _argBuilders[i].ToDelegate(_resolver, restrictionInfo.Objects, hasBeenUsed);
if (builder == null) {
return null;
}
builders[i] = builder;
}
if (_instanceBuilder != null && !(_instanceBuilder is NullArgBuilder)) {
return new Caller(mi, builders, _instanceBuilder.ToDelegate(_resolver, restrictionInfo.Objects, hasBeenUsed)).CallWithInstance;
} else {
return new Caller(mi, builders, null).Call;
}
}