public static bool IsReferencedAsMethodGroup(
SyntaxNode node,
IMethodSymbol methodSymbol,
SemanticModel semanticModel,
CancellationToken cancellationToken)
{
bool result = false;
MethodReferencedAsMethodGroupWalker walker = null;
try
{
walker = GetInstance();
Debug.Assert(walker.Symbol == null, "");
Debug.Assert(walker.SemanticModel == null, "");
walker.Symbol = methodSymbol;
walker.SemanticModel = semanticModel;
walker.CancellationToken = cancellationToken;
walker.Visit(node);
}
finally
{
if (walker != null)
{
result = walker.Result;
Free(walker);
}
}
return(result);
}
private static void Free(MethodReferencedAsMethodGroupWalker walker)
{
walker.Result = false;
walker.Symbol = null;
walker.SemanticModel = null;
walker.CancellationToken = default;
_cachedInstance = walker;
}
public static MethodReferencedAsMethodGroupWalker GetInstance()
{
MethodReferencedAsMethodGroupWalker walker = _cachedInstance;
if (walker != null)
{
_cachedInstance = null;
return(walker);
}
return(new MethodReferencedAsMethodGroupWalker());
}
private static MethodReferencedAsMethodGroupWalker GetInstance()
{
MethodReferencedAsMethodGroupWalker 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 MethodReferencedAsMethodGroupWalker());
}
