grammar.bnf.txt

<HEX_NUMBER>        ::= <HEX> <HEX_NUMBER> | <HEX>
<HEX>               ::= <DIGITS> | A | B | C | D | E | F

<ALPHANUM>          ::= <CHARACTERS> <ALPHANUM> | <NUMBER> <ALPHANUM> | <CHARACTERS> | <NUMBER>
<STRING>            ::= <CHARACTERS> <STRING>
                        | <CHARACTERS>
<LC_STRING>         ::= <LC_CHARACTERS> <LC_STRING> | <LC_CHARACTERS>
<UC_STRING>         ::= <UC_CHARACTERS> <UC_STRING> | <UC_CHARACTERS>

<CHARACTERS>        ::= <LC_CHARACTERS> | <UC_CHARACTERS>

<MATH_EXPRESSION>   ::= <NUMBER> <MATH_OPERATOR> <NUMBER>

<FLOAT>             ::= <NUMBER> <DOT> <FRACTION>
<NUMBER>            ::= <DIGITS> <NUMBER> | <DIGITS>
<FRACTION>          ::= <DIGITS> <FRACTION> | <DIGITS>
<DIGITS>            ::= <ZERO> | <DIGIT_NO_ZERO>

<MATH_OPERATOR>     ::= + | - | * | /
<UC_CHARACTERS>     ::= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
<LC_CHARACTERS>     ::= a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z
<ZERO>              ::= 0
<DIGIT_NO_ZERO>     ::= 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
<DOT>               ::= .