INOUT
IN
OUT
AND
EQ
EQV
GE
GT
LE
LT
NE
NEQV
NOT
OR
TRUE
FALSE
<string> NAME
<string> ICON
<string> SCON
<string> RCON
<string> DCON
MINUS
PLUS
SLASH
STAR
POWER
LPAR
RPAR
COMMA
COLON
EQUALS
CURRENCY
CONCAT
EOS