private MethodBinder(ActionBinder binder, string name, IList <MethodBase> methods, BinderType binderType, SymbolId[] kwArgs)
{
_binder = binder;
_name = name;
_binderType = binderType;
_kwArgs = kwArgs;
foreach (MethodBase method in methods)
{
if (IsUnsupported(method))
{
continue;
}
AddBasicMethodTargets(method);
}
if (_paramsCandidates != null)
{
foreach (MethodCandidate maker in _paramsCandidates)
{
foreach (int count in _targetSets.Keys)
{
MethodCandidate target = maker.MakeParamsExtended(binder, count, _kwArgs);
if (target != null)
{
AddTarget(target);
}
}
}
}
}
public int CompareTo(MethodCandidate other, CallType callType, Type[] actualTypes)
{
int?cmpParams = CompareParameters(other, actualTypes);
if (cmpParams == +1 || cmpParams == -1)
{
return((int)cmpParams);
}
int ret = Target.CompareEqualParameters(other.Target);
if (ret != 0)
{
return(ret);
}
if (CompilerHelpers.IsStatic(Target.Method) && !CompilerHelpers.IsStatic(other.Target.Method))
{
return(callType == CallType.ImplicitInstance ? -1 : +1);
}
else if (!CompilerHelpers.IsStatic(Target.Method) && CompilerHelpers.IsStatic(other.Target.Method))
{
return(callType == CallType.ImplicitInstance ? +1 : -1);
}
return(0);
}
private void AddSimpleTarget(MethodCandidate target)
{
AddTarget(target);
if (CompilerHelpers.IsParamsMethod(target.Target.Method))
{
if (_paramsCandidates == null)
{
_paramsCandidates = new List <MethodCandidate>();
}
_paramsCandidates.Add(target);
}
}
private void AddTarget(MethodCandidate target)
{
int count = target.Target.ParameterCount;
TargetSet set;
if (!_targetSets.TryGetValue(count, out set))
{
set = new TargetSet(this, count);
_targetSets[count] = set;
}
set.Add(target);
}
private static bool IsBest(MethodCandidate candidate, List <MethodCandidate> applicableTargets, CallType callType, Type[] actualTypes)
{
foreach (MethodCandidate target in applicableTargets)
{
if (candidate == target)
{
continue;
}
if (candidate.CompareTo(target, callType, actualTypes) != +1)
{
return(false);
}
}
return(true);
}
private TargetSet BuildTargetSet(int count)
{
TargetSet ts = new TargetSet(this, count);
if (_paramsCandidates != null)
{
foreach (MethodCandidate maker in _paramsCandidates)
{
MethodCandidate target = maker.MakeParamsExtended(_binder, count, _kwArgs);
if (target != null)
{
ts.Add(target);
}
}
}
return(ts);
}
private bool TryGetApplicableTarget(CallType callType, List <MethodCandidate> applicableTargets, Type[] actualTypes, out List <MethodCandidate> result)
{
result = null;
if (applicableTargets.Count == 1)
{
result = applicableTargets;
return(true);
}
if (applicableTargets.Count > 1)
{
MethodCandidate target = FindBest(callType, applicableTargets, actualTypes);
if (target != null)
{
result = new List <MethodCandidate>(new MethodCandidate[] { target });
return(true);
}
else
{
result = applicableTargets;
return(true);
}
}
return(false);
}
public void Add(MethodCandidate target)
{
Debug.Assert(target.Parameters.Count == _count);
_targets.Add(target);
}
public MethodCandidate(MethodCandidate previous, NarrowingLevel narrowingLevel)
{
this._target = previous.Target;
this._parameters = previous._parameters;
_narrowingLevel = narrowingLevel;
}
public int?CompareParameters(MethodCandidate other, Type[] actualTypes)
{
return(ParameterWrapper.CompareParameters(this._parameters, other._parameters, actualTypes));
}