node/deps/npm/node_modules/semver/range.bnf
Rebecca Turner 76cb81b354 deps: upgrade npm to 3.6.0
PR-URL: https://github.com/nodejs/node/pull/4958
Reviewed-By: Myles Borins <mborins@us.ibm.com>
Reviewed-By: Kat Marchán <kzm@sykosomatic.org>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
2016-02-01 10:43:34 -05:00

17 lines
623 B
BNF

range-set ::= range ( logical-or range ) *
logical-or ::= ( ' ' ) * '||' ( ' ' ) *
range ::= hyphen | simple ( ' ' simple ) * | ''
hyphen ::= partial ' - ' partial
simple ::= primitive | partial | tilde | caret
primitive ::= ( '<' | '>' | '>=' | '<=' | '=' | ) partial
partial ::= xr ( '.' xr ( '.' xr qualifier ? )? )?
xr ::= 'x' | 'X' | '*' | nr
nr ::= '0' | ['1'-'9']['0'-'9']+
tilde ::= '~' partial
caret ::= '^' partial
qualifier ::= ( '-' pre )? ( '+' build )?
pre ::= parts
build ::= parts
parts ::= part ( '.' part ) *
part ::= nr | [-0-9A-Za-z]+