- digit::=
- 0 | .. | 9
- hex_digit::=
- 0 | .. | 9 | a | ..
| f
- octal_digit::=
- 0 | .. | 7
- decimal_integer::=
- digit { digit }
- hex_integer::=
- 0x hex_digit { hexdigit
}
- octal_integer::=
- 0 octal_digit { octdigit
}
- integer::=
- decimal_integer | hex_integer | octal_integer
- float::=
- digit { digit } [ . ] {
digit } [ e | E [ + | -
] digit { digit } ]
- quoted_character::=
- \ any_character
- character::=
- any_character | quoted_character
- string::=
- { character }
- identifier_character::=
- _ | @ | &
| . | $ | alpha_character
- identifier::=
- identifier_character { identifier_character
| digit }
- function::=
- identifier [( [ term ]
{ , [ term ] } )]
- label::=
- identifier
- parenterm::=
- ( term )
- negterm::=
- - primary
- primary::=
- function | label | parenterm
| negterm
- powterm::=
- [-]primary {
primary }
- mathterm::=
- powterm { / | * | %
powterm }
- factor::=
- mathterm { + | - mathterm
}
- relterm::=
- factor {< | <= | >=
| > | == | != factor }
- conjterm::=
- relterm { and
relterm }
- term::=
- conjterm { or
conjterm }
-
