----1 Swedish auxiliary operations.
--
---- This module contains operations that are needed to make the
---- resource syntax work. To define everything that is needed to
---- implement $Test$, it moreover contains regular lexical
---- patterns needed for $Lex$.
--
resource ResSwe = ParamScand, ResScand, DiffSwe ** open Prelude in {

  flags optimize=all ;

  oper

-- For $Lex$.

-- For each lexical category, here are the worst-case constructors.

    mkNoun : (_,_,_,_ : Str) -> Gender ->
     {s : Number => Species => Case => Str ; g : Gender} = 
      \man,mannen,men,mennen,g -> {
        s = nounForms man mannen men mennen ;
        g = g
        } ;

--    mkAdjective : (_,_,_,_ : Str) -> {s : AForm => Str} = 
--      \good,better,best,well -> {
--      s = table {
--        AAdj Posit  => good ;
--        AAdj Compar => better ;
--        AAdj Superl => best ;
--        AAdv        => well
--        }
--      } ;
--
--    mkVerb : (_,_,_,_,_ : Str) -> {s : VForm => Str} = 
--      \go,goes,went,gone,going -> {
--      s = table {
--        VInf   => go ;
--        VPres  => goes ;
--        VPast  => went ;
--        VPPart => gone ;
--        VPresPart => going
--        }
--      } ;
--
--    mkIP : (i,me,my : Str) -> Number -> {s : Case => Str ; n : Number} =
--     \i,me,my,n -> let who = mkNP i me my n P3 in {s = who.s ; n = n} ;
--
--    mkNP : (i,me,my : Str) -> Number -> Person -> {s : Case => Str ; a : Agr} =
--     \i,me,my,n,p -> {
--     s = table {
--       Nom => i ;
--       Acc => me ;
--       Gen => my
--       } ;
--     a = {
--       n = n ;
--       p = p
--       }
--     } ;
--
---- These functions cover many cases; full coverage inflectional patterns are
---- in $MorphoScand$.
--
--    regN : Str -> {s : Number => Case => Str} = \car ->
--      mkNoun car (car + "'s") (car + "s") (car + "s'") ;
--
--    regA : Str -> {s : AForm => Str} = \warm ->
--      mkAdjective warm (warm + "er") (warm + "est") (warm + "ly") ;
--
--    regV : Str -> {s : VForm => Str} = \walk ->
--      mkVerb walk (walk + "s") (walk + "ed") (walk + "ed") (walk + "ing") ;
--
--    regNP : Str -> Number -> {s : Case => Str ; a : Agr} = \that,n ->
--      mkNP that that (that + "'s") n P3 ;
--
---- We have just a heuristic definition of the indefinite article.
---- There are lots of exceptions: consonantic "e" ("euphemism"), consonantic
---- "o" ("one-sided"), vocalic "u" ("umbrella").
--
--    artIndef = pre {
--      "a" ; 
--      "an" / strs {"a" ; "e" ; "i" ; "o" ; "A" ; "E" ; "I" ; "O" }
--      } ;
--
--    artDef = "the" ;
--
---- For $Verb$.
--
--  Verb : Type = {
--    s : VForm => Str
--    } ;
--
--  VerbForms : Type =
--    Tense => Anteriority => Polarity => Ord => Agr => {fin, inf : Str} ; 
--
--  VP : Type = {
--    s  : VerbForms ;
--    s2 : Agr => Str
--    } ;
--
--  predV : Verb -> VP = \verb -> {
--    s = \\t,ant,b,ord,agr => 
--      let
--        inf  = verb.s ! VInf ;
--        fin  = presVerb verb agr ;
--        past = verb.s ! VPast ;
--        part = verb.s ! VPPart ;
--        vf : Str -> Str -> {fin, inf : Str} = \x,y -> 
--          {fin = x ; inf = y} ;
--      in
--      case <t,ant,b,ord> of {
--        <Pres,Simul,Pos,ODir>   => vf fin          [] ;
--        <Pres,Simul,Pos,OQuest> => vf (does agr)   inf ;
--        <Pres,Simul,Neg,_>      => vf (doesnt agr) inf ;
--        <Pres,Anter,Pos,_>      => vf (have agr)   part ;
--        <Pres,Anter,Neg,_>      => vf (havent agr) part ;
--        <Past,Simul,Pos,ODir>   => vf past         [] ;
--        <Past,Simul,Pos,OQuest> => vf "did"        inf ;
--        <Past,Simul,Neg,_>      => vf "didn't"     inf ;
--        <Past,Anter,Pos,_>      => vf "had"        part ;
--        <Past,Anter,Neg,_>      => vf "hadn't"     part ;
--        <Fut, Simul,Pos,_>      => vf "will"       inf ;
--        <Fut, Simul,Neg,_>      => vf "won't"      inf ;
--        <Fut, Anter,Pos,_>      => vf "will"       ("have" ++ part) ;
--        <Fut, Anter,Neg,_>      => vf "won't"      ("have" ++ part) ;
--        <Cond,Simul,Pos,_>      => vf "would"      inf ;
--        <Cond,Simul,Neg,_>      => vf "wouldn't"   inf ;
--        <Cond,Anter,Pos,_>      => vf "would"      ("have" ++ part) ;
--        <Cond,Anter,Neg,_>      => vf "wouldn't"   ("have" ++ part)
--        } ;
--    s2 = \\_ => []
--    } ;
--
--  predAux : Aux -> VP = \verb -> {
--    s = \\t,ant,b,ord,agr => 
--      let 
--        inf  = verb.inf ;
--        fin  = verb.pres ! b ! agr ;
--        past = verb.past ! b ! agr ;
--        part = verb.ppart ;
--        vf : Str -> Str -> {fin, inf : Str} = \x,y -> 
--          {fin = x ; inf = y} ;
--      in
--      case <t,ant,b,ord> of {
--        <Pres,Simul,_,  _>      => vf fin          [] ;
--        <Pres,Anter,Pos,_>      => vf (have agr)   part ;
--        <Pres,Anter,Neg,_>      => vf (havent agr) part ;
--        <Past,Simul,_,  _>      => vf past         [] ;
--        <Past,Anter,Pos,_>      => vf "had"        part ;
--        <Past,Anter,Neg,_>      => vf "hadn't"     part ;
--        <Fut, Simul,Pos,_>      => vf "will"       inf ;
--        <Fut, Simul,Neg,_>      => vf "won't"      inf ;
--        <Fut, Anter,Pos,_>      => vf "will"       ("have" ++ part) ;
--        <Fut, Anter,Neg,_>      => vf "won't"      ("have" ++ part) ;
--        <Cond,Simul,Pos,_>      => vf "would"      inf ;
--        <Cond,Simul,Neg,_>      => vf "wouldn't"   inf ;
--        <Cond,Anter,Pos,_>      => vf "would"      ("have" ++ part) ;
--        <Cond,Anter,Neg,_>      => vf "wouldn't"   ("have" ++ part)
--        } ;
--    s2 = \\_ => []
--    } ;
--
--  insertObj : (Agr => Str) -> VP -> VP = \obj,vp -> {
--    s = vp.s ;
--    s2 = \\a => vp.s2 ! a ++ obj ! a
--    } ;
--
----- This is not functional.
--
--  insertAdV : Str -> VP -> VP = \adv,vp -> {
--    s = vp.s ;
--    s2 = vp.s2
--    } ;
--
--  presVerb : {s : VForm => Str} -> Agr -> Str = \verb -> 
--    agrVerb (verb.s ! VPres) (verb.s ! VInf) ;
--
--  infVP : VP -> Agr -> Str = \vp,a -> 
--    (vp.s ! Fut ! Simul ! Neg ! ODir ! a).inf ++ vp.s2 ! a ;
--
--  agrVerb : Str -> Str -> Agr -> Str = \has,have,agr -> 
--    case agr of {
--      {n = Sg ; p = P3} => has ;
--      _                 => have
--      } ;
--
--  have   = agrVerb "has"     "have" ;
--  havent = agrVerb "hasn't"  "haven't" ;
--  does   = agrVerb "does"    "do" ;
--  doesnt = agrVerb "doesn't" "don't" ;
--
--  Aux = {pres,past : Polarity => Agr => Str ; inf,ppart : Str} ;
--
--  auxBe : Aux = {
--    pres = \\b,a => case <b,a> of {
--      <Pos,{n = Sg ; p = P1}> => "am" ; 
--      <Neg,{n = Sg ; p = P1}> => ["am not"] ; --- am not I
--      _ => agrVerb (posneg b "is")  (posneg b "are") a
--      } ;
--    past = \\b,a => agrVerb (posneg b "was") (posneg b "were") a ;
--    inf  = "be" ;
--    ppart = "been"
--    } ;
--
--  posneg : Polarity -> Str -> Str = \p,s -> case p of {
--    Pos => s ;
--    Neg => s + "n't"
--    } ;
--
--  conjThat : Str = "that" ;
--
--  reflPron : Agr => Str = table {
--    {n = Sg ; p = P1} => "myself" ;
--    {n = Sg ; p = P2} => "yourself" ;
--    {n = Sg ; p = P3} => "itself" ; ----
--    {n = Pl ; p = P1} => "ourselves" ;
--    {n = Pl ; p = P2} => "yourselves" ;
--    {n = Pl ; p = P3} => "themselves"
--    } ;
--
---- For $Sentence$.
--
--  Clause : Type = {
--    s : Tense => Anteriority => Polarity => Ord => Str
--    } ;
--
--  mkS : Str -> Agr -> VerbForms -> (Agr => Str) -> Clause =
--    \subj,agr,verb,compl0 -> {
--      s = \\t,a,b,o => 
--        let 
--          verb  = verb ! t ! a ! b ! o ! agr ;
--          compl = compl0 ! agr
--        in
--        case o of {
--          ODir   => subj ++ verb.fin ++ verb.inf ++ compl ;
--          OQuest => verb.fin ++ subj ++ verb.inf ++ compl
--          }
--    } ;
--
--
---- For $Numeral$.
--
--  mkNum : Str -> Str -> Str -> Str -> {s : DForm => CardOrd => Str} = 
--    \two, twelve, twenty, second ->
--    {s = table {
--       unit => table {NCard => two ; NOrd => second} ; 
--       teen => \\c => mkCard c twelve ; 
--       ten  => \\c => mkCard c twenty
--       }
--    } ;
--
--  regNum : Str -> {s : DForm => CardOrd => Str} = 
--    \six -> mkNum six (six + "teen") (six + "ty") (regOrd six) ;
--
--  regCardOrd : Str -> {s : CardOrd => Str} = \ten ->
--    {s = table {NCard => ten ; NOrd => regOrd ten}} ;
--
--  mkCard : CardOrd -> Str -> Str = \c,ten -> 
--    (regCardOrd ten).s ! c ; 
--
--  regOrd : Str -> Str = \ten -> 
--    case last ten of {
--      "y" => init ten + "ieth" ;
--      _   => ten + "th"
--      } ;
--
}
