numeric-token |
::= |
integer | ratio |
float |
integer |
::= |
[sign]
{decimal-digit}+
decimal-point |
[sign]
{digit}+ |
ratio |
::= |
[sign]
{digit}+
slash
{digit}+ |
float |
::= |
[sign]
{decimal-digit}*
decimal-point
{decimal-digit}+
[exponent]|
[sign]
{decimal-digit}+
[decimal-point
{decimal-digit}*]
exponent |
exponent |
::= |
exponent-marker
[sign]
{digit}+ |
|
sign---a sign. |
slash---a slash |
decimal-point---a dot. |
exponent-marker---an exponent marker. |
decimal-digit---a digit in radix 10. |
digit---a digit in the current input radix. |