OSSP CVS Repository

ossp-pkg/l2/l2_spec_ebnf 1.1

---

tree : stream                                              /* channel tree */
    ;

stream : channel                                     /* stream of channels */
    | channel T_OP_ARROW stream
    | channel T_OP_ARROW '{' streams '}'
    ;

streams : stream                                /* list of sibling streams */
    | stream ';' streams
    ;

channel : channel_level '/' channel_level ':' channel_cons      /* channel */
    | channel_level ':' channel_cons
    | channel_cons
    ;

channel_level : T_ID                                      /* channel level */
    | '(' channel_level_mask ')'
    ;

channel_level_mask : T_ID                            /* channel level mask */
    | T_ID '|' channel_level_mask
    ;

channel_cons : T_ID                                 /* channel constructor */
    ;

channel_params : /* empty */                         /* channel parameters */
    | '(' channel_param_list ')'
    ;

channel_param_list : /* empty */                 /* channel parameter list */
    | channel_param
    | channel_param ',' channel_param_list
    ;

channel_param  : T_ID '='                             /* channel parameter */
    ;

---