LanguageVersion

Compilation\CSharpCompilation.cs (1)

486this.LanguageVersion = CommonLanguageVersion(syntaxAndDeclarations.ExternalSyntaxTrees);

Binder\Binder_Deconstruct.cs (1)

580bool disallowInferredNames = this.Compilation.LanguageVersion.DisallowInferredTupleElementNames();

Binder\Binder_Expressions.cs (8)

Binder\Binder_InterpolatedString.cs (1)

85this.Compilation.LanguageVersion.ToDisplayString(),

Binder\Binder_Invocation.cs (1)

504if (!Compilation.LanguageVersion.AllowNonTrailingNamedArguments())

Binder\Binder_Lookup.cs (1)

205if (this.Compilation.LanguageVersion.AllowNewExtensions())

Binder\Binder_Patterns.cs (5)

632if (Compilation.LanguageVersion < requiredVersion && !patternExpressionConversion.IsImplicit) 774if (requiredVersion > Compilation.LanguageVersion) 778Compilation.LanguageVersion.ToDisplayString(), 1246if (Compilation.LanguageVersion < MessageID.IDS_FeatureRecursivePatterns.RequiredVersion()) 1324|| (inputType.IsPointerType() && Compilation.LanguageVersion < MessageID.IDS_FeatureRecursivePatterns.RequiredVersion()))

Binder\Binder_Statements.cs (1)

396if (Compilation.LanguageVersion < MessageID.IDS_FeatureSwitchExpression.RequiredVersion())

Binder\Binder_Symbols.cs (3)

558diagnostics.Add(new LazyUseSiteDiagnosticsInfoForNullableType(Compilation.LanguageVersion, constructedType), syntax.GetLocation()); 567else if (GetNullableUnconstrainedTypeParameterDiagnosticIfNecessary(Compilation.LanguageVersion, constructedType) is { } diagnosticInfo) 939if (Compilation.LanguageVersion < MessageID.IDS_FeatureDynamic.RequiredVersion())

Binder\Semantics\OverloadResolution\OverloadResolution.cs (3)

447if (Compilation.LanguageVersion.AllowImprovedOverloadCandidates()) 1315(binder.Compilation.LanguageVersion > LanguageVersion.CSharp12 || member.ContainingModule == binder.Compilation.SourceModule))) 3035if (Compilation.LanguageVersion < LanguageVersion.CSharp13)

Binder\Semantics\OverloadResolution\OverloadResolutionResult.cs (1)

1275binder.Compilation.LanguageVersion.ToDisplayString(),

Compilation\CSharpCompilation.cs (7)

227internal bool IsPeVerifyCompatEnabled => LanguageVersion < LanguageVersion.CSharp7_2 || Feature("peverify-compat") != null; 2057else if (LanguageVersion >= MessageID.IDS_FeatureAsyncMain.RequiredVersion() && taskEntryPoints.Count > 0) 2991if (Options.NullableContextOptions != NullableContextOptions.Disable && LanguageVersion < MessageID.IDS_FeatureNullableReferenceTypes.RequiredVersion() && 2995nameof(Options.NullableContextOptions), Options.NullableContextOptions, LanguageVersion.ToDisplayString(), 4791Debug.Assert(LanguageVersion == LanguageVersion.MapSpecifiedToEffectiveVersion()); 4792writeValue(CompilationOptionNames.LanguageVersion, LanguageVersion.ToDisplayString());

Compilation\CSharpCompilationExtensions.cs (1)

14return compilation.LanguageVersion >= feature.RequiredVersion();

Compiler\MethodCompiler.cs (2)

629_compilation.LanguageVersion >= MessageID.IDS_FeatureNullableReferenceTypes.RequiredVersion() && 1909var isSufficientLangVersion = compilation.LanguageVersion >= MessageID.IDS_FeatureNullableReferenceTypes.RequiredVersion();

Errors\MessageID.cs (1)

459=> compilation.IsFeatureEnabled(feature) ? null : GetDisabledFeatureDiagnosticInfo(feature, compilation.LanguageVersion);

FlowAnalysis\AbstractFlowPass_Switch.cs (1)

96if (compilation.LanguageVersion >= MessageID.IDS_FeatureRecursivePatterns.RequiredVersion())

FlowAnalysis\NullableWalker.cs (2)

1700return compilation.LanguageVersion >= MessageID.IDS_FeatureNullableReferenceTypes.RequiredVersion(); 2448return requiredVersion <= compilation.LanguageVersion;

Lowering\LocalRewriter\LocalRewriter_Conversion.cs (1)

578if (_factory.Compilation.LanguageVersion >= MessageID.IDS_FeatureCacheStaticMethodGroupConversion.RequiredVersion()

Symbols\Source\SourceMemberContainerSymbol.cs (1)

521if (name == SyntaxFacts.GetText(contextualKind) && compilation.LanguageVersion >= featureId.RequiredVersion())

Symbols\Source\SourceMemberContainerSymbol_ImplementationChecks.cs (1)

1202DeclaringCompilation.LanguageVersion >= MessageID.IDS_FeatureCovariantReturnsForOverrides.RequiredVersion())

Symbols\Synthesized\SynthesizedBackingFieldSymbol.cs (1)

273var languageVersion = this.DeclaringCompilation.LanguageVersion;

Symbols\TypeSymbol.cs (3)

1026LanguageVersion? availableVersion = implementingType.DeclaringCompilation?.LanguageVersion; 1650LanguageVersion? availableVersion = implementingType.DeclaringCompilation?.LanguageVersion; 1751LanguageVersion? availableVersion = implementingType.DeclaringCompilation?.LanguageVersion;

Symbols\VarianceSafety.cs (1)

176return MessageID.IDS_FeatureVarianceSafetyForStaticInterfaceMembers.RequiredVersion() <= member.DeclaringCompilation.LanguageVersion;

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryNullableDirective\CSharpRemoveRedundantNullableDirectiveDiagnosticAnalyzer.cs (1)

36if (compilation.LanguageVersion < LanguageVersion.CSharp8)

src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\CSharpUseIndexOperatorDiagnosticAnalyzer.cs (1)

63if (compilation.LanguageVersion < LanguageVersion.CSharp8)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\CompilationExtensions.cs (1)

10=> ((CSharpCompilation)compilation).LanguageVersion;

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpSemanticFactsService.cs (1)

64var isLanguageVersionGreaterOrEqualToCSharp8 = (semanticModel.Compilation as CSharpCompilation)?.LanguageVersion >= LanguageVersion.CSharp8;

Emit\EditAndContinue\EditAndContinueDelegateCacheTests.cs (10)

48Assert.Equal(compilation0.LanguageVersion, compilation1.LanguageVersion); 112Assert.Equal(compilation0.LanguageVersion, compilation1.LanguageVersion); 176Assert.Equal(compilation0.LanguageVersion, compilation1.LanguageVersion); 240Assert.Equal(compilation0.LanguageVersion, compilation1.LanguageVersion); 304Assert.Equal(compilation0.LanguageVersion, compilation1.LanguageVersion);

src\Analyzers\CSharp\Analyzers\RemoveUnnecessaryNullableDirective\CSharpRemoveRedundantNullableDirectiveDiagnosticAnalyzer.cs (1)

36if (compilation.LanguageVersion < LanguageVersion.CSharp8)

src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\CSharpUseIndexOperatorDiagnosticAnalyzer.cs (1)

63if (compilation.LanguageVersion < LanguageVersion.CSharp8)

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\CompilationExtensions.cs (1)

10=> ((CSharpCompilation)compilation).LanguageVersion;

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpSemanticFactsService.cs (1)

64var isLanguageVersionGreaterOrEqualToCSharp8 = (semanticModel.Compilation as CSharpCompilation)?.LanguageVersion >= LanguageVersion.CSharp8;

CSharpResxGenerator.cs (1)

14return ((CSharpCompilation)compilation).LanguageVersion >= LanguageVersion.CSharp8;

LoggerMessageGenerator.Parser.cs (1)

594if (results.Count > 0 && _compilation is CSharpCompilation { LanguageVersion : LanguageVersion version and < LanguageVersion.CSharp8 })

OptionsSourceGenContext.cs (1)

18IsLangVersion11AndAbove = ((CSharpCompilation)compilation).LanguageVersion >= Microsoft.CodeAnalysis.CSharp.LanguageVersion.CSharp11;

Parser.cs (1)

151if (results.Count > 0 && _compilation is CSharpCompilation { LanguageVersion : LanguageVersion version and < LanguageVersion.CSharp8 })

Helpers\RoslynExtensions.cs (1)

19=> compilation is CSharpCompilation csc ? csc.LanguageVersion : null;

RegexGenerator.Parser.cs (1)

210var compilationData = compilation is CSharpCompilation { LanguageVersion: LanguageVersion langVersion, Options: CSharpCompilationOptions compilationOptions }

UpgradeToGeneratedRegexAnalyzer.cs (1)

245if (((CSharpCompilation)compilation).LanguageVersion <= (LanguageVersion)1000)