public CSharpCodeGenerationPreferences(
bool placeSystemNamespaceFirst,
ExpressionBodyPreference preferExpressionBodiedMethods,
ExpressionBodyPreference preferExpressionBodiedAccessors,
ExpressionBodyPreference preferExpressionBodiedProperties,
ExpressionBodyPreference preferExpressionBodiedIndexers,
ExpressionBodyPreference preferExpressionBodiedConstructors,
ExpressionBodyPreference preferExpressionBodiedOperators,
ExpressionBodyPreference preferExpressionBodiedLocalFunctions,
NamespaceDeclarationPreference namespaceDeclarations,
AddImportPlacement preferredUsingDirectivePlacement,
LanguageVersion languageVersion)
: base(placeSystemNamespaceFirst)
{
PreferExpressionBodiedMethods = preferExpressionBodiedMethods;
PreferExpressionBodiedAccessors = preferExpressionBodiedAccessors;
PreferExpressionBodiedProperties = preferExpressionBodiedProperties;
PreferExpressionBodiedIndexers = preferExpressionBodiedIndexers;
PreferExpressionBodiedConstructors = preferExpressionBodiedConstructors;
PreferExpressionBodiedOperators = preferExpressionBodiedOperators;
PreferExpressionBodiedLocalFunctions = preferExpressionBodiedLocalFunctions;
NamespaceDeclarations = namespaceDeclarations;
PreferredUsingDirectivePlacement = preferredUsingDirectivePlacement;
LanguageVersion = languageVersion;
}
private static async Task <Document> GetTransformedDocumentAsync(
Document document,
CompilationUnitSyntax compilationUnit,
IEnumerable <UsingDirectiveSyntax> allUsingDirectives,
AddImportPlacement placement,
CancellationToken cancellationToken)
{
var bannerService = document.GetRequiredLanguageService <IFileBannerFactsService>();
// Expand usings so that they can be properly simplified after they are relocated.
var compilationUnitWithExpandedUsings = await ExpandUsingDirectivesAsync(document, compilationUnit, allUsingDirectives, cancellationToken).ConfigureAwait(false);
// Remove the file header from the compilation unit so that we do not lose it when making changes to usings.
var(compilationUnitWithoutHeader, fileHeader) = RemoveFileHeader(compilationUnitWithExpandedUsings, bannerService);
// A blanket warning that this codefix may change code so that it does not compile.
var warningAnnotation = WarningAnnotation.Create(CSharpAnalyzersResources.Warning_colon_Moving_using_directives_may_change_code_meaning);
var newCompilationUnit = placement == AddImportPlacement.InsideNamespace
? MoveUsingsInsideNamespace(compilationUnitWithoutHeader, warningAnnotation)
: MoveUsingsOutsideNamespaces(compilationUnitWithoutHeader, warningAnnotation);
// Re-attach the header now that using have been moved and LeadingTrivia is no longer being altered.
var newCompilationUnitWithHeader = AddFileHeader(newCompilationUnit, fileHeader);
var newDocument = document.WithSyntaxRoot(newCompilationUnitWithHeader);
// Simplify usings now that they have been moved and are in the proper context.
var options = await document.GetOptionsAsync(cancellationToken).ConfigureAwait(false);
return(await Simplifier.ReduceAsync(newDocument, Simplifier.Annotation, options, cancellationToken).ConfigureAwait(false));
}
internal void TestParseUsingDirectivesPlacement(string optionString, AddImportPlacement parsedValue, ReportDiagnostic?severity)
{
var defaultValue = new CodeStyleOption2 <AddImportPlacement>(AddImportPlacement.InsideNamespace, NotificationOption2.Error);
severity ??= ReportDiagnostic.Error;
var codeStyleOption = CSharpCodeStyleOptions.ParseUsingDirectivesPlacement(optionString, defaultValue);
Assert.NotSame(defaultValue, codeStyleOption);
Assert.Equal(parsedValue, codeStyleOption.Value);
Assert.Equal(severity, codeStyleOption.Notification.Severity);
}
