public MethodSymbols GetFunctionSymbols(RuntimeFunction function) { MethodSymbols symbols; if (!_cachedSymbols.TryGetValue(function.Token, out symbols)) { var symMethod = GetSymMethod(function.Token); if (symMethod == null) return null; _cachedSymbols.Add(function.Token, symbols = new MethodSymbols(function, symMethod)); } return symbols; }