551Dim bestCandidatesState As OverloadResolution.CandidateAnalysisResultState = bestCandidates(0).State 553If bestCandidatesState = VisualBasic.OverloadResolution.CandidateAnalysisResultState.Applicable Then 567(bestCandidatesState = OverloadResolution.CandidateAnalysisResultState.ArgumentCountMismatch OrElse 568bestCandidatesState = OverloadResolution.CandidateAnalysisResultState.ArgumentMismatch) Then 592If bestCandidatesState = OverloadResolution.CandidateAnalysisResultState.HasUseSiteError OrElse 593bestCandidatesState = OverloadResolution.CandidateAnalysisResultState.HasUnsupportedMetadata OrElse 594bestCandidatesState = OverloadResolution.CandidateAnalysisResultState.Ambiguous Then

1360Dim state = OverloadResolution.CandidateAnalysisResultState.Count 1413Case VisualBasic.OverloadResolution.CandidateAnalysisResultState.HasUseSiteError, OverloadResolution.CandidateAnalysisResultState.HasUnsupportedMetadata 1440Case VisualBasic.OverloadResolution.CandidateAnalysisResultState.Ambiguous 1445Case OverloadResolution.CandidateAnalysisResultState.BadGenericArity 1485Case OverloadResolution.CandidateAnalysisResultState.ArgumentCountMismatch 1521Case OverloadResolution.CandidateAnalysisResultState.ArgumentMismatch, 1522OverloadResolution.CandidateAnalysisResultState.GenericConstraintsViolated 1564Case OverloadResolution.CandidateAnalysisResultState.TypeInferenceFailed 1591Case OverloadResolution.CandidateAnalysisResultState.Applicable 1676Const Applicable = OverloadResolution.CandidateAnalysisResultState.Applicable 1677Const ArgumentMismatch = OverloadResolution.CandidateAnalysisResultState.ArgumentMismatch 1678Const GenericConstraintsViolated = OverloadResolution.CandidateAnalysisResultState.GenericConstraintsViolated 1679Const TypeInferenceFailed = OverloadResolution.CandidateAnalysisResultState.TypeInferenceFailed 1680Const ArgumentCountMismatch = OverloadResolution.CandidateAnalysisResultState.ArgumentCountMismatch 1681Const BadGenericArity = OverloadResolution.CandidateAnalysisResultState.BadGenericArity 1682Const Ambiguous = OverloadResolution.CandidateAnalysisResultState.Ambiguous 1683Const HasUseSiteError = OverloadResolution.CandidateAnalysisResultState.HasUseSiteError 1684Const HasUnsupportedMetadata = OverloadResolution.CandidateAnalysisResultState.HasUnsupportedMetadata 1686Dim preference(OverloadResolution.CandidateAnalysisResultState.Count - 1) As Integer 2003If candidateAnalysisResult.State = VisualBasic.OverloadResolution.CandidateAnalysisResultState.HasUseSiteError OrElse 2004candidateAnalysisResult.State = VisualBasic.OverloadResolution.CandidateAnalysisResultState.HasUnsupportedMetadata Then 2199If candidate.IsGeneric AndAlso candidateAnalysisResult.State = OverloadResolution.CandidateAnalysisResultState.TypeInferenceFailed Then 2270If candidateAnalysisResult.State = OverloadResolution.CandidateAnalysisResultState.GenericConstraintsViolated Then 2632Debug.Assert(candidate.State = OverloadResolution.CandidateAnalysisResultState.Applicable)

20Applicable = OverloadResolution.CandidateAnalysisResultState.Applicable 22HasUseSiteError = OverloadResolution.CandidateAnalysisResultState.HasUseSiteError 23Ambiguous = OverloadResolution.CandidateAnalysisResultState.Ambiguous 24BadGenericArity = OverloadResolution.CandidateAnalysisResultState.BadGenericArity 25ArgumentCountMismatch = OverloadResolution.CandidateAnalysisResultState.ArgumentCountMismatch 26TypeInferenceFailed = OverloadResolution.CandidateAnalysisResultState.TypeInferenceFailed 27ArgumentMismatch = OverloadResolution.CandidateAnalysisResultState.ArgumentMismatch 28GenericConstraintsViolated = OverloadResolution.CandidateAnalysisResultState.GenericConstraintsViolated 29RequiresNarrowing = OverloadResolution.CandidateAnalysisResultState.RequiresNarrowing 30RequiresNarrowingNotFromObject = OverloadResolution.CandidateAnalysisResultState.RequiresNarrowingNotFromObject 31ExtensionMethodVsInstanceMethod = OverloadResolution.CandidateAnalysisResultState.ExtensionMethodVsInstanceMethod 32Shadowed = OverloadResolution.CandidateAnalysisResultState.Shadowed 33LessApplicable = OverloadResolution.CandidateAnalysisResultState.LessApplicable 46Debug.Assert(Not isValid OrElse candidate.State = OverloadResolution.CandidateAnalysisResultState.Applicable) 66If _candidate.State = OverloadResolution.CandidateAnalysisResultState.HasUnsupportedMetadata Then

3177candidates.Add(New CandidateAnalysisResult(New OperatorCandidate(method), CandidateAnalysisResultState.HasUnsupportedMetadata)) 3188candidates.Add(New CandidateAnalysisResult(New OperatorCandidate(method), CandidateAnalysisResultState.HasUseSiteError))

709Public Property State As CandidateAnalysisResultState 711Return CType(_smallFields And SmallFieldMask.State, CandidateAnalysisResultState) 713Set(value As CandidateAnalysisResultState) 762Public Sub New(candidate As Candidate, state As CandidateAnalysisResultState) 769Me.State = CandidateAnalysisResultState.Applicable 832If current.State = CandidateAnalysisResultState.Applicable Then 1008Debug.Assert(candidates.All(Function(candidate) candidate.State <> CandidateAnalysisResultState.Applicable OrElse 1062If candidate.State = CandidateAnalysisResultState.TypeInferenceFailed Then 1308If current.State <> CandidateAnalysisResultState.Applicable Then 1353toDeprioritize.State = CandidateAnalysisResultState.LessApplicable 1375If existingCandidate.State = CandidateAnalysisResultState.ArgumentCountMismatch OrElse 1376existingCandidate.State = CandidateAnalysisResultState.BadGenericArity OrElse 1377existingCandidate.State = CandidateAnalysisResultState.Ambiguous OrElse 1378existingCandidate.State = CandidateAnalysisResultState.TypeInferenceFailed OrElse existingCandidate.SomeInferenceFailed OrElse 1379existingCandidate.State = CandidateAnalysisResultState.HasUseSiteError OrElse 1380existingCandidate.State = CandidateAnalysisResultState.HasUnsupportedMetadata OrElse 1381existingCandidate.State = CandidateAnalysisResultState.LessApplicable OrElse 1382existingCandidate.State = CandidateAnalysisResultState.Shadowed Then 1390If newCandidate.State <> CandidateAnalysisResultState.Applicable Then 1408If toShadow.State = CandidateAnalysisResultState.Applicable Then 1415toShadow.State = CandidateAnalysisResultState.Shadowed 1433Debug.Assert(newCandidate.State = CandidateAnalysisResultState.Applicable) 1559If current.State = CandidateAnalysisResultState.Applicable Then 1561current.State = CandidateAnalysisResultState.RequiresNarrowing 1629If contender.State <> CandidateAnalysisResultState.Applicable Then 1633contender.State = CandidateAnalysisResultState.LessApplicable 1664If candidates(i).State <> CandidateAnalysisResultState.Applicable Then 1732If contender.State <> CandidateAnalysisResultState.Applicable Then 1764If contender.State <> CandidateAnalysisResultState.Applicable Then 1804If left.State <> CandidateAnalysisResultState.Applicable Then 1811If right.State <> CandidateAnalysisResultState.Applicable Then 1819right.State = CandidateAnalysisResultState.Shadowed 1824left.State = CandidateAnalysisResultState.Shadowed 1991If current.State = CandidateAnalysisResultState.Applicable Then 2008If current.State <> CandidateAnalysisResultState.Applicable Then 2015current.State = CandidateAnalysisResultState.Shadowed 2085If current.State = CandidateAnalysisResultState.Applicable Then 2115If candidates(i).State = CandidateAnalysisResultState.Applicable Then 2139If left.State <> CandidateAnalysisResultState.Applicable Then 2146If right.State <> CandidateAnalysisResultState.Applicable Then 2195right.State = CandidateAnalysisResultState.Shadowed 2198left.State = CandidateAnalysisResultState.Shadowed 2205If left.State = CandidateAnalysisResultState.Applicable Then 2220If current.State = CandidateAnalysisResultState.Applicable Then 2237If current.State <> CandidateAnalysisResultState.Applicable Then 2244current.State = CandidateAnalysisResultState.Shadowed 2550If left.State <> CandidateAnalysisResultState.Applicable OrElse 2566If right.State <> CandidateAnalysisResultState.Applicable OrElse 2716If current.State = CandidateAnalysisResultState.Applicable AndAlso 2723If contender.State = CandidateAnalysisResultState.Applicable AndAlso 2747If current.State = CandidateAnalysisResultState.Applicable AndAlso 2754If contender.State = CandidateAnalysisResultState.Applicable AndAlso 2782current.State = CandidateAnalysisResultState.Shadowed 2791contender.State = CandidateAnalysisResultState.Shadowed 2827If current.State = CandidateAnalysisResultState.Applicable Then 2829current.State = CandidateAnalysisResultState.ExtensionMethodVsLateBinding 2858If first.State = CandidateAnalysisResultState.Applicable Then 2862If second.State = CandidateAnalysisResultState.Applicable Then 2869second.State = CandidateAnalysisResultState.Shadowed 2873first.State = CandidateAnalysisResultState.Shadowed 2924If current.State = CandidateAnalysisResultState.Applicable AndAlso 2967If current.State <> CandidateAnalysisResultState.Applicable Then 2977If current.State = CandidateAnalysisResultState.Applicable Then 2996If current.State = CandidateAnalysisResultState.Applicable AndAlso current.IsIllegalInAttribute Then 3003current.State = CandidateAnalysisResultState.ArgumentMismatch 3042Debug.Assert(candidate.State = CandidateAnalysisResultState.Applicable) 3076candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3088candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3107candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3135candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3143candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3155candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3164candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3175candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3227Debug.Assert(candidate.State = CandidateAnalysisResultState.Applicable) 3239If candidate.State <> CandidateAnalysisResultState.Applicable Then 3270candidate.State = CandidateAnalysisResultState.GenericConstraintsViolated 3283If candidate.State <> CandidateAnalysisResultState.Applicable AndAlso 3297candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3321candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3334candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3364candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3377candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3386candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3395candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3452candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3461candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3467candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3589candidate.State = CandidateAnalysisResultState.ArgumentMismatch ' Possible only with user-defined conversions, I think. 3603candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3626candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3656candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3666candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3722candidate.State = CandidateAnalysisResultState.ArgumentMismatch 3902Dim applicableCount As Integer = If(info.State = CandidateAnalysisResultState.Applicable, 1, 0) 3919If info.State <> CandidateAnalysisResultState.Applicable Then 3938If info.Candidate Is Nothing OrElse info.State = CandidateAnalysisResultState.Ambiguous Then 3953If info2.Candidate Is Nothing OrElse info2.State = CandidateAnalysisResultState.Ambiguous Then 3992info = New QuickApplicabilityInfo(info.Candidate, CandidateAnalysisResultState.Ambiguous) 3994quickInfo(l) = New QuickApplicabilityInfo(info2.Candidate, CandidateAnalysisResultState.Ambiguous) 3999If info.State <> CandidateAnalysisResultState.Ambiguous Then 4015If info2.Candidate IsNot Nothing AndAlso info2.State = CandidateAnalysisResultState.Ambiguous Then 4037Public ReadOnly State As CandidateAnalysisResultState 4043state As CandidateAnalysisResultState, 4070Return New QuickApplicabilityInfo(candidate, CandidateAnalysisResultState.HasUnsupportedMetadata) 4082Return New QuickApplicabilityInfo(candidate, CandidateAnalysisResultState.BadGenericArity) 4104Return New QuickApplicabilityInfo(candidate, CandidateAnalysisResultState.ArgumentCountMismatch, True, False) 4108Return New QuickApplicabilityInfo(candidate, CandidateAnalysisResultState.ArgumentCountMismatch, Not hasParamArray, hasParamArray) 4115Return New QuickApplicabilityInfo(candidate, CandidateAnalysisResultState.HasUseSiteError) 4140Return New QuickApplicabilityInfo(candidate, CandidateAnalysisResultState.Applicable, applicableInNormalForm, applicableInParamArrayForm) 4158Case CandidateAnalysisResultState.HasUnsupportedMetadata 4160results.Add(New CandidateAnalysisResult(candidate.Candidate, CandidateAnalysisResultState.HasUnsupportedMetadata)) 4163Case CandidateAnalysisResultState.HasUseSiteError 4165results.Add(New CandidateAnalysisResult(candidate.Candidate, CandidateAnalysisResultState.HasUseSiteError)) 4168Case CandidateAnalysisResultState.BadGenericArity 4170results.Add(New CandidateAnalysisResult(candidate.Candidate, CandidateAnalysisResultState.BadGenericArity)) 4173Case CandidateAnalysisResultState.ArgumentCountMismatch 4177Dim candidateAnalysis As New CandidateAnalysisResult(ConstructIfNeedTo(candidate.Candidate, typeArguments), CandidateAnalysisResultState.ArgumentCountMismatch) 4186Case CandidateAnalysisResultState.Applicable 4231Case CandidateAnalysisResultState.Ambiguous 4233results.Add(New CandidateAnalysisResult(candidate.Candidate, CandidateAnalysisResultState.Ambiguous)) 4265Debug.Assert(newCandidate.State <> CandidateAnalysisResultState.Applicable) 4287Debug.Assert(newCandidate.State = CandidateAnalysisResultState.Applicable) 4301If existingCandidate.State = CandidateAnalysisResultState.ArgumentCountMismatch OrElse 4302existingCandidate.State = CandidateAnalysisResultState.BadGenericArity OrElse 4303existingCandidate.State = CandidateAnalysisResultState.Ambiguous Then 4328If existingCandidate.State = CandidateAnalysisResultState.TypeInferenceFailed OrElse existingCandidate.SomeInferenceFailed OrElse 4329existingCandidate.State = CandidateAnalysisResultState.HasUseSiteError OrElse 4330existingCandidate.State = CandidateAnalysisResultState.HasUnsupportedMetadata Then 4534Dim existingIsApplicable As Boolean = (existingCandidate.State = CandidateAnalysisResultState.Applicable) 5269If candidate.State = CandidateAnalysisResultState.Applicable Then 5317candidate.State = CandidateAnalysisResultState.TypeInferenceFailed 5356Return (candidate.State = CandidateAnalysisResultState.Applicable)