public static Accessibilities GetValidAccessibilities(MemberDeclarationListSelection selectedMembers, bool allowOverride = false) { if (selectedMembers.Count < 2) { return(Accessibilities.None); } var all = Accessibilities.None; Accessibilities valid = Accessibilities.Public | Accessibilities.Internal | Accessibilities.Protected | Accessibilities.Private; foreach (MemberDeclarationSyntax member in selectedMembers) { Accessibility accessibility = SyntaxAccessibility.GetExplicitAccessibility(member); if (accessibility == Accessibility.NotApplicable) { accessibility = SyntaxAccessibility.GetDefaultExplicitAccessibility(member); if (accessibility == Accessibility.NotApplicable) { return(Accessibilities.None); } } Accessibilities accessibilities = accessibility.GetAccessibilities(); switch (accessibility) { case Accessibility.Private: case Accessibility.Protected: case Accessibility.ProtectedAndInternal: case Accessibility.ProtectedOrInternal: case Accessibility.Internal: case Accessibility.Public: { all |= accessibilities; break; } default: { Debug.Fail(accessibility.ToString()); return(Accessibilities.None); } } foreach (Accessibility accessibility2 in AvailableAccessibilities) { if (accessibility != accessibility2 && !SyntaxAccessibility.IsValidAccessibility(member, accessibility2, ignoreOverride: allowOverride)) { valid &= ~accessibility2.GetAccessibilities(); } } } switch (all) { case Accessibilities.Private: case Accessibilities.Protected: case Accessibilities.Internal: case Accessibilities.Public: { valid &= ~all; break; } } return(valid); }
public static Accessibilities GetValidAccessibilities( MemberDeclarationListSelection selectedMembers, SemanticModel semanticModel, CancellationToken cancellationToken = default(CancellationToken)) { if (selectedMembers.Count < 2) { return(Accessibilities.None); } ImmutableArray <Accessibility> avaiableAccessibilities = AvailableAccessibilities; var all = Accessibilities.None; Accessibilities valid = Accessibilities.Public | Accessibilities.Internal | Accessibilities.Protected | Accessibilities.Private; foreach (MemberDeclarationSyntax member in selectedMembers) { Accessibility accessibility = SyntaxAccessibility.GetExplicitAccessibility(member); if (accessibility == Accessibility.NotApplicable) { accessibility = SyntaxAccessibility.GetDefaultExplicitAccessibility(member); if (accessibility == Accessibility.NotApplicable) { return(Accessibilities.None); } } switch (accessibility) { case Accessibility.Private: case Accessibility.Protected: case Accessibility.ProtectedAndInternal: case Accessibility.ProtectedOrInternal: case Accessibility.Internal: case Accessibility.Public: { all |= accessibility.GetAccessibilities(); break; } default: { Debug.Fail(accessibility.ToString()); return(Accessibilities.None); } } ModifierListInfo modifiersInfo = SyntaxInfo.ModifierListInfo(member); if (modifiersInfo.Modifiers.ContainsAny( SyntaxKind.AbstractKeyword, SyntaxKind.VirtualKeyword, SyntaxKind.OverrideKeyword)) { valid &= ~Accessibilities.Private; } if (modifiersInfo.IsOverride && IsBaseDeclarationWithoutSource(member, semanticModel, cancellationToken)) { switch (accessibility) { case Accessibility.Private: case Accessibility.Protected: case Accessibility.Internal: case Accessibility.Public: { valid &= accessibility.GetAccessibilities(); if (valid == Accessibilities.None) { return(Accessibilities.None); } avaiableAccessibilities = _accessibilityArrayMap[accessibility]; continue; } default: { return(Accessibilities.None); } } } foreach (Accessibility accessibility2 in avaiableAccessibilities) { if (accessibility != accessibility2 && !SyntaxAccessibility.IsValidAccessibility(member, accessibility2, ignoreOverride: true)) { valid &= ~accessibility2.GetAccessibilities(); if (valid == Accessibilities.None) { return(Accessibilities.None); } } } } switch (all) { case Accessibilities.Private: case Accessibilities.Protected: case Accessibilities.Internal: case Accessibilities.Public: { valid &= ~all; break; } } return(valid); }