class Rouge::Lexers::Factor

def self.builtins
  @builtins ||= {}.tap do |builtins|
    builtins[:kernel] = Set.new %w(
      or 2bi 2tri while wrapper nip 4dip wrapper? bi*
      callstack>array both? hashcode die dupd callstack
      callstack? 3dup tri@ pick curry build ?execute 3bi prepose
      >boolean if clone eq? tri* ? = swapd 2over 2keep 3keep clear
      2dup when not tuple? dup 2bi* 2tri* call tri-curry object bi@
      do unless* if* loop bi-curry* drop when* assert= retainstack
      assert? -rot execute 2bi@ 2tri@ boa with either? 3drop bi
      curry?  datastack until 3dip over 3curry tri-curry* tri-curry@
      swap and 2nip throw bi-curry (clone) hashcode* compose 2dip if
      3tri unless compose? tuple keep 2curry equal? assert tri 2drop
      most <wrapper> boolean? identity-hashcode identity-tuple?
      null new dip bi-curry@ rot xor identity-tuple boolean
    )
    builtins[:assocs] = Set.new %w(
      ?at assoc? assoc-clone-like assoc= delete-at* assoc-partition
      extract-keys new-assoc value? assoc-size map>assoc push-at
      assoc-like key? assoc-intersect assoc-refine update
      assoc-union assoc-combine at* assoc-empty? at+ set-at
      assoc-all? assoc-subset?  assoc-hashcode change-at assoc-each
      assoc-diff zip values value-at rename-at inc-at enum? at cache
      assoc>map <enum> assoc assoc-map enum value-at* assoc-map-as
      >alist assoc-filter-as clear-assoc assoc-stack maybe-set-at
      substitute assoc-filter 2cache delete-at assoc-find keys
      assoc-any? unzip
    )
    builtins[:combinators] = Set.new %w(
      case execute-effect no-cond no-case? 3cleave>quot 2cleave
      cond>quot wrong-values? no-cond? cleave>quot no-case case>quot
      3cleave wrong-values to-fixed-point alist>quot case-find
      cond cleave call-effect 2cleave>quot recursive-hashcode
      linear-case-quot spread spread>quot
    )
    builtins[:math] = Set.new %w(
      number= if-zero next-power-of-2 each-integer ?1+
      fp-special? imaginary-part unless-zero float>bits number?
      fp-infinity? bignum? fp-snan? denominator fp-bitwise= *
      + power-of-2? - u>= / >= bitand log2-expects-positive <
      log2 > integer? number bits>double 2/ zero? (find-integer)
      bits>float float? shift ratio? even? ratio fp-sign bitnot
      >fixnum complex? /i /f byte-array>bignum when-zero sgn >bignum
      next-float u< u> mod recip rational find-last-integer >float
      (all-integers?) 2^ times integer fixnum? neg fixnum sq bignum
      (each-integer) bit? fp-qnan? find-integer complex <fp-nan>
      real double>bits bitor rem fp-nan-payload all-integers?
      real-part log2-expects-positive? prev-float align unordered?
      float fp-nan? abs bitxor u<= odd? <= /mod rational? >integer
      real? numerator
    )
    builtins[:sequences] = Set.new %w(
      member-eq? append assert-sequence= find-last-from
      trim-head-slice clone-like 3sequence assert-sequence? map-as
      last-index-from reversed index-from cut* pad-tail
      remove-eq! concat-as but-last snip trim-tail nths
      nth 2selector sequence slice?  <slice> partition
      remove-nth tail-slice empty? tail* if-empty
      find-from virtual-sequence? member? set-length
      drop-prefix unclip unclip-last-slice iota map-sum
      bounds-error? sequence-hashcode-step selector-for
      accumulate-as map start midpoint@ (accumulate) rest-slice
      prepend fourth sift accumulate! new-sequence follow map! like
      first4 1sequence reverse slice unless-empty padding virtual@
      repetition? set-last index 4sequence max-length set-second
      immutable-sequence first2 first3 replicate-as reduce-index
      unclip-slice supremum suffix! insert-nth trim-tail-slice
      tail 3append short count suffix concat flip filter sum
      immutable? reverse! 2sequence map-integers delete-all start*
      indices snip-slice check-slice sequence?  head map-find
      filter! append-as reduce sequence= halves collapse-slice
      interleave 2map filter-as binary-reduce slice-error? product
      bounds-check? bounds-check harvest immutable virtual-exemplar
      find produce remove pad-head last replicate set-fourth
      remove-eq shorten reversed?  map-find-last 3map-as
      2unclip-slice shorter? 3map find-last head-slice pop* 2map-as
      tail-slice* but-last-slice 2map-reduce iota? collector-for
      accumulate each selector append! new-resizable cut-slice
      each-index head-slice* 2reverse-each sequence-hashcode
      pop set-nth ?nth <flat-slice> second join when-empty
      collector immutable-sequence? <reversed> all? 3append-as
      virtual-sequence subseq? remove-nth! push-either new-like
      length last-index push-if 2all? lengthen assert-sequence
      copy map-reduce move third first 3each tail? set-first prefix
      bounds-error any? <repetition> trim-slice exchange surround
      2reduce cut change-nth min-length set-third produce-as
      push-all head? delete-slice rest sum-lengths 2each head*
      infimum remove! glue slice-error subseq trim replace-slice
      push repetition map-index trim-head unclip-last mismatch
    )
    builtins[:namespaces] = Set.new %w(
      global +@ change set-namestack change-global init-namespaces
      on off set-global namespace set with-scope bind with-variable
      inc dec counter initialize namestack get get-global make-assoc
    )
    builtins[:arrays] = Set.new %w(
      <array> 2array 3array pair >array 1array 4array pair?
      array resize-array array?
    )
    builtins[:io] = Set.new %w(
      +character+ bad-seek-type? readln each-morsel
      stream-seek read print with-output-stream contents
      write1 stream-write1 stream-copy stream-element-type
      with-input-stream stream-print stream-read stream-contents
      stream-tell tell-output bl seek-output bad-seek-type nl
      stream-nl write flush stream-lines +byte+ stream-flush
      read1 seek-absolute? stream-read1 lines stream-readln
      stream-read-until each-line seek-end with-output-stream*
      seek-absolute with-streams seek-input seek-relative?
      input-stream stream-write read-partial seek-end?
      seek-relative error-stream read-until with-input-stream*
      with-streams* tell-input each-block output-stream
      stream-read-partial each-stream-block each-stream-line
    )
    builtins[:strings] = Set.new %w(
      resize-string >string <string> 1string string string?
    )
    builtins[:vectors] = Set.new %w(
      with-return restarts return-continuation with-datastack
      recover rethrow-restarts <restart> ifcc set-catchstack
      >continuation< cleanup ignore-errors restart?
      compute-restarts attempt-all-error error-thread
      continue <continuation> attempt-all-error? condition?
      <condition> throw-restarts error catchstack continue-with
      thread-error-hook continuation rethrow callcc1
      error-continuation callcc0 attempt-all condition
      continuation? restart return
    )
    builtins[:continuations] = Set.new %w(
      with-return restarts return-continuation with-datastack
      recover rethrow-restarts <restart> ifcc set-catchstack
      >continuation< cleanup ignore-errors restart?
      compute-restarts attempt-all-error error-thread
      continue <continuation> attempt-all-error? condition?
      <condition> throw-restarts error catchstack continue-with
      thread-error-hook continuation rethrow callcc1
      error-continuation callcc0 attempt-all condition
      continuation? restart return
    )
  end
end

def self.detect?(text)
  return true if text.shebang? 'factor'
end