SMOP Specific Macros
There are some macros that are specific to SMOP
- ___RI___($obj): returns the Responder Interface for a given object.
- ___VC___('name'): returns the variable container for a given name (not the same as VAR)
- ___EMPTY_REPR___('name'): returns the empty object for the given representation. All objects for this representation will be created from this.
- ___CURRENT_CONTINUATION___: returns the object that represents the current continuation.