private static void AnalyzeClassDeclaration(SyntaxNodeAnalysisContext context)
{
var classDeclaration = (ClassDeclarationSyntax)context.Node;
if (classDeclaration.Modifiers.ContainsAny(
SyntaxKind.StaticKeyword,
SyntaxKind.AbstractKeyword,
SyntaxKind.SealedKeyword,
SyntaxKind.PartialKeyword))
{
return;
}
if (!classDeclaration.Members.Any())
{
return;
}
INamedTypeSymbol symbol = context.SemanticModel.GetDeclaredSymbol(classDeclaration, context.CancellationToken);
if (symbol.BaseType?.IsObject() != true)
{
return;
}
if (!symbol.Interfaces.IsDefaultOrEmpty)
{
return;
}
ImmutableArray <ISymbol> members = symbol.GetMembers();
if (!members.Any())
{
return;
}
if (!AnalyzeMembers(members))
{
return;
}
MakeClassStaticWalker walker = MakeClassStaticWalker.GetInstance();
walker.CanBeMadeStatic = true;
walker.Symbol = symbol;
walker.SemanticModel = context.SemanticModel;
walker.CancellationToken = context.CancellationToken;
walker.Visit(classDeclaration);
bool canBeMadeStatic = walker.CanBeMadeStatic;
MakeClassStaticWalker.Free(walker);
if (canBeMadeStatic)
{
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticRules.MakeClassStatic, classDeclaration.Identifier);
}
}
public static void Free(MakeClassStaticWalker walker)
{
walker.Symbol = null;
walker.SemanticModel = null;
walker.CancellationToken = default;
_cachedInstance = walker;
}
public static MakeClassStaticWalker GetInstance()
{
MakeClassStaticWalker walker = _cachedInstance;
if (walker != null)
{
_cachedInstance = null;
return(walker);
}
return(new MakeClassStaticWalker());
}
public static MakeClassStaticWalker GetInstance()
{
MakeClassStaticWalker walker = _cachedInstance;
if (walker != null)
{
Debug.Assert(walker.Symbol == null);
Debug.Assert(walker.SemanticModel == null);
Debug.Assert(walker.CancellationToken == default);
_cachedInstance = null;
return(walker);
}
return(new MakeClassStaticWalker());
}
public static void Free(MakeClassStaticWalker walker)
{
_cachedInstance = walker;
}
