private void AnalyzeObjectInitSyntax(SyntaxNodeAnalysisContext context)
{
var initializer = (InitializerExpressionSyntax)context.Node;
if (initializer.Parent is AssignmentExpressionSyntax assignment && assignment.Left != null)
{
var annotatedParent = SyntaxHelper.FindNearestContainer <ObjectCreationExpressionSyntax, MethodDeclarationSyntax>(initializer.Parent, node => IsMarkedWithComment(node, "FullInitRequired:recursive"));
if (annotatedParent is null)
{
return;
}
var typeInfo = context.SemanticModel.GetTypeInfo(assignment.Left);
if (typeInfo.Type != null)
{
var membersExtractor = new MembersExtractor(context.SemanticModel, initializer);
var membersForInitialization = membersExtractor.GetAllMembersThatCanBeInitialized(typeInfo.Type).Select(x => x.Name).ToImmutableHashSet();
if (membersForInitialization.IsEmpty)
{
return;
}
TryToReportMissingMembers(context, initializer, membersForInitialization, initializer.GetLocation());
}
}
}
private static IReadOnlyList <MemberSymbolInfo> GetMembers(MembersExtractor membersExtractor, ITypeSymbol namedType, string namePrefix = null)
{
return(membersExtractor.GetAllAccessibleMembers(namedType, x => x switch
{
IPropertySymbol property => property.IsStatic == false && property.IsIndexer == false,
IFieldSymbol field => field.IsImplicitlyDeclared == false && field.IsStatic == false,
_ => false
})
public IReadOnlyList <MemberSymbolInfo> GetMissingMembersFor(INamedTypeSymbol namedType)
{
var memberExtractor = new MembersExtractor(namedType);
var ownMembers = GetMembers(memberExtractor, namedType);
var twinMembers = GetMembers(memberExtractor, this.Type, NamePrefix).Where(x => IgnoredMembers.Contains(x.Symbol.Name) == false).ToList();
return(twinMembers.Except(ownMembers).ToList());
}
private static ImmutableHashSet <string> GetMembers(ITypeSymbol namedType)
{
return(MembersExtractor.GetAllMembers(namedType)
.Where(x => x switch
{
IPropertySymbol property => property.IsStatic == false,
IFieldSymbol field => field.IsImplicitlyDeclared == false && field.IsStatic == false,
_ => false
})
private IEnumerable <ISymbol> GetMembersForRequiredInit(ITypeSymbol type, ObjectCreationExpressionSyntax objectCreation, SemanticModel semanticModel)
{
var membersExtractor = new MembersExtractor(semanticModel, objectCreation);
if (IsInsideInitBlockWithFullInit(objectCreation) ||
SymbolHelper.IsMarkedWithAttribute(type, SmartAnnotations.InitRequired) ||
SymbolHelper.IsMarkedWithAttribute(type, SmartAnnotations.InitOnly))
{
return(membersExtractor.GetAllMembersThatCanBeInitialized(type));
}
var symbolCache = new SymbolHelperCache();
return(membersExtractor.GetAllMembersThatCanBeInitialized(type).Where(memberSymbol =>
SymbolHelper.IsMarkedWithAttribute(memberSymbol, SmartAnnotations.InitRequired) ||
SymbolHelper.IsMarkedWithAttribute(memberSymbol, SmartAnnotations.InitOnly) ||
NonNullableShouldBeInitialized(memberSymbol, symbolCache)));
}