private void AnalyzeTypeDecra(SyntaxNodeAnalysisContext context, ContainingOperatorTypes types)
{
if (context.SemanticModel.GetDeclaredSymbol(context.Node, context.CancellationToken)
is not INamedTypeSymbol symbol)
{
return;
}
var concurrentBuild = context.Compilation.Options.ConcurrentBuild;
bool HasIsOperatorAttribute(INamedTypeSymbol symbol)
{
foreach (var at in symbol.ConstructedFrom.GetAttributes())
{
if (SymbolEqualityComparer.Default.Equals(at.AttributeClass, types.IsOperatorAttribute))
{
return(true);
}
}
return(false);
}
if (concurrentBuild)
{
if (symbol.AllInterfaces
.AsParallel(context.CancellationToken)
.Any(HasIsOperatorAttribute))
{
goto HasIsOperator;
}
}
else
{
if (symbol.AllInterfaces
.Do(_ => context.CancellationToken.ThrowIfCancellationRequested())
.Any(HasIsOperatorAttribute))
{
goto HasIsOperator;
}
}
return;
HasIsOperator:
bool DoesNotHaveMethodImplInlining(IMethodSymbol m)
{
if (m.MethodKind is
not(MethodKind.ExplicitInterfaceImplementation or MethodKind.Ordinary))
{
return(false);
}
if (m.GetAttributes()
.FirstOrDefault(at => SymbolEqualityComparer.Default.Equals(at.AttributeClass, types.MethodImplAttribute)) is not {
} attr ||
attr.ConstructorArguments.Length == 0)
{
return(true);
}
var arg = attr.ConstructorArguments[0];
if (arg.Kind is TypedConstantKind.Primitive or TypedConstantKind.Enum)
{
try
{
return(!((MethodImplOptions)Convert.ToInt32(arg.Value)).HasFlag(MethodImplOptions.AggressiveInlining));
}
catch
{
return(true);
}
}
return(true);
}
string[] notMethodImplInliningMethods;
if (concurrentBuild)
{
notMethodImplInliningMethods = symbol.GetMembers()
.AsParallel(context.CancellationToken)
.OfType <IMethodSymbol>()
.Where(DoesNotHaveMethodImplInlining)
.Select(m => m.Name)
.ToArray();
}
else
{
notMethodImplInliningMethods = symbol.GetMembers()
.Do(_ => context.CancellationToken.ThrowIfCancellationRequested())
.OfType <IMethodSymbol>()
.Where(DoesNotHaveMethodImplInlining)
.Select(m => m.Name)
.ToArray();
}
if (notMethodImplInliningMethods.Length == 0)
{
return;
}
var diagnostic = DiagnosticDescriptors.AC0007_AgressiveInlining(
context.Node.GetLocation(), notMethodImplInliningMethods);
context.ReportDiagnostic(diagnostic);
}