Dictionary of the builtins in the current execution frame,
or the interpreter of the thread state if no frame is currently executing.
Return the current thread state's frame, which is
Nothing if no frame
is currently executing.
Return the name of func if it is a function, class or instance object, else the name of func's type.
Return a description string, depending on the type of func. Return
"()" for functions and methods,
"object". Concatenated with the result of
getFunctionName, the result will be a description of func.