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|
class ActionDispatch::Journey::Parser
options no_result_var
token SLASH LITERAL SYMBOL LPAREN RPAREN DOT STAR OR
rule
expressions
: expression expressions { Cat.new(val.first, val.last) }
| expression { val.first }
| or
;
expression
: terminal
| group
| star
;
group
: LPAREN expressions RPAREN { Group.new(val[1]) }
;
or
: expression OR expression { Or.new([val.first, val.last]) }
| expression OR or { Or.new([val.first, val.last]) }
;
star
: STAR { Star.new(Symbol.new(val.last)) }
;
terminal
: symbol
| literal
| slash
| dot
;
slash
: SLASH { Slash.new('/') }
;
symbol
: SYMBOL { Symbol.new(val.first) }
;
literal
: LITERAL { Literal.new(val.first) }
;
dot
: DOT { Dot.new(val.first) }
;
end
---- header
require 'action_dispatch/journey/parser_extras'
|
