RFC 194 (rfc194) - Page 2 of 18

The Data Reconfiguration Service -- Compiler/Interpreter Implementation Notes

Data Reconfiguration Service                                     RFC 194


II.  NEW SYNTAX

form              :: = rule | form
rule              :: = label  inputstream outputstream;
label             :: = INTEGER | NULL
inputstream       :: = terms | NULL
terms             :: = term | terms, term
outputstream      :: = :terms | NULL
term              :: = identifier | identifier descriptor |
                       descriptor | comparator
identifier        :: = 
descriptor        :: = (replicationexpr, datatype, valueexpr,
                       lengthexpr control)
comparator        :: = (concatexpr connective concatexpr control) |
                       (identifier .
control           :: = :options | NULL
options           :: = SFUR (arithmeticexpr) | SFUR (arithmeticexpr),
                       SFUR (arithmeticexpr)
SFUR              :: = S | F | U | SR | FR | UR