private static async Task <Document> RefactorAsync(
Document document,
AttributeSyntax attribute,
CancellationToken cancellationToken)
{
TypeDeclarationSyntax typeDeclaration = attribute.FirstAncestor <TypeDeclarationSyntax>();
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
string propertyName = NameGenerator.Default.EnsureUniqueName(DefaultNames.DebuggerDisplayPropertyName, semanticModel, typeDeclaration.OpenBraceToken.Span.End);
AttributeArgumentSyntax argument = attribute.ArgumentList.Arguments.First();
TypeDeclarationSyntax newTypeDeclaration = typeDeclaration.ReplaceNode(
argument,
argument.WithExpression(
StringLiteralExpression($"{{{propertyName},nq}}")).WithTriviaFrom(argument.Expression));
string value = semanticModel
.GetDeclaredSymbol(typeDeclaration, cancellationToken)
.GetAttribute(MetadataNames.System_Diagnostics_DebuggerDisplayAttribute)
.ConstructorArguments[0]
.Value
.ToString();
bool isVerbatim = SyntaxInfo.StringLiteralExpressionInfo(argument.Expression).IsVerbatim;
ExpressionSyntax returnExpression = GetReturnExpression(value, isVerbatim);
PropertyDeclarationSyntax propertyDeclaration = MarkTypeWithDebuggerDisplayAttributeRefactoring.DebuggerDisplayPropertyDeclaration(propertyName, returnExpression);
newTypeDeclaration = MemberDeclarationInserter.Default.Insert(newTypeDeclaration, propertyDeclaration);
return(await document.ReplaceNodeAsync(typeDeclaration, newTypeDeclaration, cancellationToken).ConfigureAwait(false));
}
internal static bool TryGetTearDownMethod(AttributeSyntax setupAttribute, SemanticModel semanticModel, CancellationToken cancellationToken, out MethodDeclarationSyntax result)
{
result = null;
var typeDeclarationSyntax = setupAttribute.FirstAncestor <TypeDeclarationSyntax>();
if (typeDeclarationSyntax == null)
{
return(false);
}
var attributeType = semanticModel.GetTypeInfoSafe(setupAttribute, cancellationToken).Type;
var teardOwnAttributeType = attributeType == KnownSymbol.NUnitSetUpAttribute
? KnownSymbol.NUnitTearDownAttribute
: KnownSymbol.NUnitOneTimeTearDownAttribute;
foreach (var member in typeDeclarationSyntax.Members)
{
if (member is MethodDeclarationSyntax methodDeclaration)
{
if (Attribute.TryFind(methodDeclaration, teardOwnAttributeType, semanticModel, cancellationToken, out _))
{
result = methodDeclaration;
return(true);
}
}
}
return(false);
}
private static async Task <Document> RefactorAsync(
Document document,
AttributeSyntax attribute,
CancellationToken cancellationToken)
{
TypeDeclarationSyntax typeDeclaration = attribute.FirstAncestor <TypeDeclarationSyntax>();
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
string propertyName = NameGenerator.Default.EnsureUniqueMemberName(PropertyName, semanticModel, typeDeclaration.OpenBraceToken.Span.End, cancellationToken: cancellationToken);
AttributeArgumentSyntax argument = attribute.ArgumentList.Arguments.First();
TypeDeclarationSyntax newTypeDeclaration = typeDeclaration.ReplaceNode(
argument,
argument.WithExpression(
StringLiteralExpression($"{{{propertyName},nq}}")).WithTriviaFrom(argument.Expression));
string value = semanticModel
.GetDeclaredSymbol(typeDeclaration, cancellationToken)
.GetAttribute(semanticModel.GetTypeByMetadataName(MetadataNames.System_Diagnostics_DebuggerDisplayAttribute))
.ConstructorArguments[0]
.Value
.ToString();
ExpressionSyntax returnExpression = GetReturnExpression(value, SyntaxInfo.StringLiteralExpressionInfo(argument.Expression).IsVerbatim);
PropertyDeclarationSyntax propertyDeclaration = PropertyDeclaration(
SingletonList(
AttributeList(
Attribute(
ParseName("System.Diagnostics.DebuggerBrowsableAttribute"),
AttributeArgument(
SimpleMemberAccessExpression(
ParseName("System.Diagnostics.DebuggerBrowsableState").WithSimplifierAnnotation(),
IdentifierName("Never"))
)
).WithSimplifierAnnotation()
)
),
Modifiers.Private(),
CSharpTypeFactory.StringType(),
default(ExplicitInterfaceSpecifierSyntax),
Identifier(propertyName).WithRenameAnnotation(),
AccessorList(
GetAccessorDeclaration(
Block(
ReturnStatement(returnExpression)))));
propertyDeclaration = propertyDeclaration.WithFormatterAnnotation();
newTypeDeclaration = MemberDeclarationInserter.Default.Insert(newTypeDeclaration, propertyDeclaration);
return(await document.ReplaceNodeAsync(typeDeclaration, newTypeDeclaration, cancellationToken).ConfigureAwait(false));
}
private static Task <Document> SpecifyNameAsync(
Document document,
AttributeSyntax attribute,
CancellationToken cancellationToken)
{
AttributeArgumentSyntax newAttributeArgument = AttributeArgument(
NameEquals("Name"),
NameOfExpression(
IdentifierName(attribute.FirstAncestor <ClassDeclarationSyntax>().Identifier.WithNavigationAnnotation())));
AttributeArgumentListSyntax argumentList = attribute.ArgumentList;
SeparatedSyntaxList <AttributeArgumentSyntax> arguments = argumentList.Arguments.Add(newAttributeArgument);
AttributeArgumentListSyntax newArgumentList = argumentList.WithArguments(arguments);
AttributeSyntax newAttribute = attribute.WithArgumentList(newArgumentList);
return(document.ReplaceNodeAsync(attribute, newAttribute, cancellationToken));
}