private static List <(AttributeInfo Attribute, List <FieldTypeAttributeInfo> Infos)> GetFieldTypeAttributesInfos(ImmutableArray <AttributeInfo> attributes,
FieldTypeAttributesRegister fieldAttributesRegister,
CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var fieldInfosList = new List <(AttributeInfo, List <FieldTypeAttributeInfo>)>(capacity: attributes.Length);
foreach (AttributeInfo attribute in attributes)
{
cancellationToken.ThrowIfCancellationRequested();
var attributeInfos = fieldAttributesRegister.GetFieldTypeAttributeInfos(attribute.AttributeData.AttributeClass).ToList();
if (attributeInfos.Count > 0)
{
fieldInfosList.Add((attribute, attributeInfos));
}
}
return(fieldInfosList);
}
public bool IsAttributeToRemove(AttributeSyntax attributeNode)
{
if (attributeNode.Equals(_remainingAttribute))
{
return(false);
}
ITypeSymbol attributeType = _semanticModel.GetTypeInfo(attributeNode, _cancellationToken).Type;
_cancellationToken.ThrowIfCancellationRequested();
if (attributeType == null)
{
return(false);
}
var attributeInfos = _attributesRegister.GetFieldTypeAttributeInfos(attributeType);
return(attributeInfos.Any(_attributeToRemovePredicate));
}
private async Task <Document> ChangePropertyTypeToAttributeType(Document document, SyntaxNode root, AttributeSyntax attributeNode,
PropertyDeclarationSyntax propertyNode, CancellationToken cancellationToken)
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
ITypeSymbol attributeType = semanticModel.GetTypeInfo(attributeNode, cancellationToken).Type;
cancellationToken.ThrowIfCancellationRequested();
if (attributeType == null)
{
return(document);
}
PXContext pxContext = new PXContext(semanticModel.Compilation);
FieldTypeAttributesRegister typeAttributesRegister = new FieldTypeAttributesRegister(pxContext);
FieldTypeAttributeInfo? attributeInfo = typeAttributesRegister.GetFieldTypeAttributeInfos(attributeType)
.FirstOrDefault(attrInfo => attrInfo.IsFieldAttribute);
if (attributeInfo?.FieldType == null)
{
return(document);
}
SyntaxGenerator generator = SyntaxGenerator.GetGenerator(document);
TypeSyntax replacingTypeNode = generator.TypeExpression(attributeInfo.Value.FieldType) as TypeSyntax;
if (attributeInfo.Value.FieldType.IsValueType)
{
replacingTypeNode = generator.NullableTypeExpression(replacingTypeNode) as TypeSyntax;
}
cancellationToken.ThrowIfCancellationRequested();
replacingTypeNode = replacingTypeNode.WithTrailingTrivia(propertyNode.Type.GetTrailingTrivia());
var propertyModified = propertyNode.WithType(replacingTypeNode);
var modifiedRoot = root.ReplaceNode(propertyNode, propertyModified);
return(document.WithSyntaxRoot(modifiedRoot));
}