public static void ProcessReturnStatement(ISymbol local, BlockSyntax block, SemanticModel semanticModel, CancellationToken cancellationToken,
RefCounterStatus status)
{
using (var walker = ReturnValueWalker.Borrow(block, Search.TopLevel, semanticModel, cancellationToken))
{
foreach (var value in walker)
{
var returnedSymbol = semanticModel.GetSymbolSafe(value, cancellationToken);
if (SymbolComparer.Equals(local, returnedSymbol))
{
var method = block.FirstAncestor <MethodDeclarationSyntax>();
var access = block.FirstAncestor <AccessorDeclarationSyntax>();
bool isGet = false;
if (method != null)
{
isGet = KnownSymbol.IsGetMethodName(method.Identifier.ToString());
}
else if (access != null)
{
isGet = true;
}
if (isGet)
{
status.RemainRef("return value from get method", value.GetLocation());
}
else
{
status.ReleaseReference("return value from non get", value.GetLocation());
}
}
}
}
}
public static bool IsGetMethod(InvocationExpressionSyntax invok, SemanticModel semanticModel, CancellationToken cancellationToken)
{
var sym = semanticModel.GetSymbolInfo(invok.Expression, cancellationToken);
if (sym.Symbol is IMethodSymbol method)
{
return(KnownSymbol.IsGetMethodName(method.Name));
}
return(false);
}