Latvian: an optimized NP linearization type => fixed the double negation support in VPS

The flag indicating whether a NP has a negated determiner is now encapsulated in the algebraic parameter Agr, removing the extra field in the NP linearization type.

lib/src/latvian/CatLav.gf

@@ -50,14 +50,14 @@ lincat
   -- Noun
 
   CN = { s : Definite => Number => Case => Str ; g : Gender } ;
-  NP = { s : Case => Str ; a : ResLav.Agr ; isNeg : Bool } ;
+  NP = { s : Case => Str ; a : ResLav.Agr } ;
   Pron = { s : Case => Str ; a : ResLav.Agr ; possessive : Gender => Number => Case => Str } ;
-  Det = { s : Gender => Case => Str ; n : Number ; d : Definite ; isNeg : Bool } ;
+  Det = { s : Gender => Case => Str ; n : Number ; d : Definite ; pol : Polarity } ;
   Predet = { s : Gender => Str } ;
   Ord = { s : Gender => Case => Str } ;
   Num = { s : Gender => Case => Str ; n : Number ; hasCard : Bool } ;
   Card = { s : Gender => Case => Str ; n : Number } ;
-  Quant = { s : Gender => Number => Case => Str ; d : Definite ; isNeg : Bool } ;
+  Quant = { s : Gender => Number => Case => Str ; d : Definite ; pol : Polarity } ;
 
   -- Numeral
 

lib/src/latvian/ConjunctionLav.gf

@@ -17,8 +17,7 @@ lin
   ConjAdv = conjunctDistrSS ;
 
   ConjNP conj ss = conjunctDistrTable Case conj ss ** {
-    a = toAgr (conjNumber (fromAgr ss.a).num conj.n) (fromAgr ss.a).pers (fromAgr ss.a).gend ;
+    a = toAgr (fromAgr ss.a).pers (conjNumber (fromAgr ss.a).num conj.n) (fromAgr ss.a).gend Pos
-    isNeg = False
   } ;
 
   ConjAP conj ss = conjunctDistrTable4 Definite Gender Number Case conj ss ;

lib/src/latvian/ExtraLav.gf

@@ -40,6 +40,8 @@ lin
   they8fem_Pron = mkPronoun_They Fem ;
   it8fem_Pron = mkPronoun_It_Sg Fem ;
 
+  have_V3 = mkV3 (mkV "būt") nom_Prep dat_Prep Dat ;
+
   {-empty_Det num def neg = \num,def,neg -> {
     s = \\_,_ => [] ;
     n = num ;
@@ -49,18 +51,17 @@ lin
 
   -- Zemāk esošās f-cijas nav ExtraLavAbs, tās ir abstract/Extra.gf
 
+  -- NP -> Quant
   GenNP np = {
     s = \\_,_,_ => np.s ! Gen ;
     d = Def ;
-    isNeg = np.isNeg
+    pol = (fromAgr np.a).pol
   } ;
 
   --ICompAP ap = {s = \\g,n => "cik" ++ ap.s ! Indef ! g ! n ! Nom } ;
 
   IAdvAdv adv = {s = "cik" ++ adv.s} ;
 
-  have_V3 = mkV3 (mkV "būt") nom_Prep dat_Prep Dat ;
-
   -- for VP conjunction
 
   lincat
@@ -84,7 +85,7 @@ lin
         -- TODO: subj-dependent double negation
         -- TODO: subj/obj isNeg jāpārceļ uz Agr (?)
         --let verb = vp.v.s ! pol.p ! Indicative (fromAgr agr).pers (fromAgr agr).num temp.t in
-        temp.s ++ buildVerb vp.v (Ind temp.a temp.t) pol.p subjAgr False vp.objNeg ++ vp.compl ! subjAgr
+        temp.s ++ buildVerb vp.v (Ind temp.a temp.t) pol.p subjAgr (fromAgr subjAgr).pol vp.objNeg ++ vp.compl ! subjAgr
       } ;
     
     -- Conj -> [VPS] -> VPS

lib/src/latvian/IdiomLav.gf

@@ -13,18 +13,18 @@ flags
 
 lin
   ImpersCl vp =
-    let agr = AgP3 Sg Masc
+    let agr = AgP3 Sg Masc Pos
     in {
       s = \\mood,pol =>
-        buildVerb vp.v mood pol agr False vp.objNeg ++  -- Verb
+        buildVerb vp.v mood pol agr Pos vp.objNeg ++  -- Verb
         vp.compl ! agr  -- Object(s), complements, adverbial modifiers
     } ;
 
   GenericCl vp =
-    let agr = AgP3 Sg Masc
+    let agr = AgP3 Sg Masc Pos
     in {
       s = \\mood,pol =>
-        buildVerb vp.v mood pol agr False vp.objNeg ++
+        buildVerb vp.v mood pol agr Pos vp.objNeg ++
         vp.compl ! agr
     } ;
 
@@ -34,18 +34,18 @@ lin
       agr = np.a
     in {
       s = \\mood,pol =>
-        buildVerb v mood pol agr np.isNeg False ++
+        buildVerb v mood pol agr (fromAgr np.a).pol Pos ++
         np.s ! Nom
     } ;
 
   ExistIP ip =
     let
       v = lin V mkVerb_Irreg_Be ;
-      agr = AgP3 ip.n Masc
+      agr = AgP3 ip.n Masc Pos
 	in {
       s = \\mood,pol =>
         ip.s ! Nom ++
-        buildVerb v mood pol agr False False
+        buildVerb v mood pol agr Pos Pos
     } ;
 
   -- FIXME: needs restriction so that only VerbMood Indicative _ _ Present is allowed;
@@ -63,7 +63,7 @@ lin
     ;
 
   ImpP3 np vp = {
-    s = "lai" ++ np.s ! Nom ++ buildVerb vp.v (Ind Simul Pres) Pos np.a np.isNeg vp.objNeg ++ vp.compl ! np.a ;
+    s = "lai" ++ np.s ! Nom ++ buildVerb vp.v (Ind Simul Pres) Pos np.a (fromAgr np.a).pol vp.objNeg ++ vp.compl ! np.a ;
   } ;
 
   -- FIXME: placeholder

lib/src/latvian/NounLav.gf

@@ -14,14 +14,13 @@ lin
 
   UseN n = { s = \\_ => n.s ; g = n.g } ;
 
-  UsePN pn = { s = pn.s ; a = agrgP3 pn.n pn.g ; isNeg = False } ;
+  UsePN pn = { s = pn.s ; a = AgP3 pn.n pn.g Pos } ;
   
-  UsePron p = { s = p.s ; a = p.a ; isNeg = False } ;
+  UsePron p = { s = p.s ; a = p.a } ;
 
   PredetNP pred np = {
     s = \\c => pred.s ! (fromAgr np.a).gend ++ np.s ! c ;
-    a = np.a ;
+    a = np.a 
-    isNeg = False 
   } ;
 
   UseN2 n = { s = \\_ => n.s ; g = n.g } ;
@@ -46,44 +45,39 @@ lin
 
   AdvNP np adv = {
     s = \\c => np.s ! c ++ adv.s ;
-    a = np.a ;
+    a = np.a
-    isNeg = np.isNeg
   } ;
 
   RelNP np rs = {
     s = \\c => np.s ! c ++ "," ++ rs.s ! np.a ;
-    a = np.a ;
+    a = np.a
-    isNeg = np.isNeg
   } ;
 
   DetCN det cn = {
     s = \\c => det.s ! cn.g ! c ++ cn.s ! det.d ! det.n ! c ;
-    a = AgP3 det.n cn.g ;
+    a = AgP3 det.n cn.g det.pol
-    isNeg = det.isNeg
   } ;
 
   DetQuant quant num = {
     s = \\g,c => quant.s ! g ! num.n ! c ++ num.s ! g ! c ;
     n = num.n ;
     d = quant.d	; -- FIXME: ja ir kārtas skaitļa vārds, tad tikai noteiktās formas drīkst būt
-    isNeg = quant.isNeg
+    pol = quant.pol
   } ;
 
   DetQuantOrd quant num ord = {
     s = \\g,c => quant.s ! g ! num.n ! c ++ num.s ! g ! c ++ ord.s ! g ! c ;
     n = num.n ;
     d = quant.d	; --FIXME: ja ir kārtas skaitļa vārds, tad tikai noteiktās formas drīkst būt
-    isNeg = quant.isNeg
+    pol = quant.pol
   } ;
 
   DetNP det = {
     s = \\c => det.s ! Masc ! c ;
-    a = AgP3 det.n Masc ;
+    a = AgP3 det.n Masc det.pol
-    isNeg = det.isNeg
   } | {
     s = \\c => det.s ! Fem ! c ;
-    a = AgP3 det.n Fem ;
+    a = AgP3 det.n Fem det.pol
-    isNeg = det.isNeg
   } ;
 
   AdjCN ap cn = {
@@ -94,25 +88,24 @@ lin
   DefArt = {
     s = \\_,_,_ => [] ;
     d = Def ;
-    isNeg = False
+    pol = Pos
   } ;
 
   IndefArt = {
     s = \\_,_,_ => [] ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   PossPron p = {
     s = p.possessive ;
     d = Def ;
-    isNeg = False
+    pol = Pos
   } ;
 
   MassNP cn = {
     s = cn.s ! Indef ! Sg ;	-- FIXME: a 'šis alus'? der tak gan 'zaļš alus' gan 'zaļais alus'
-    a = AgP3 Sg cn.g ;
+    a = AgP3 Sg cn.g Pos
-    isNeg = False
   } ;
 
   NumSg = { s = \\_,_ => [] ; n = Sg ; hasCard = False } ;
@@ -152,7 +145,7 @@ lin
   } ;
 
   RelCN cn rs = {
-    s = \\d, n,c => cn.s ! d ! n ! c ++ "," ++ rs.s ! AgP3 n cn.g ;
+    s = \\d,n,c => cn.s ! d ! n ! c ++ "," ++ rs.s ! AgP3 n cn.g Pos ;
     g = cn.g
   } ;
 
@@ -164,8 +157,7 @@ lin
   -- FIXME: vajag šķirot noteikto/nenoteikto galotni..?
   PPartNP np v2 = {
     s = \\c => v2.s ! Pos ! (Participle TsTa (fromAgr np.a).gend (fromAgr np.a).num c) ++ np.s ! c ;
-    a = np.a ;
+    a = np.a
-    isNeg = np.isNeg
   } ;
 
   -- TODO: šim vajag -ts -ta divdabjus (+ noteiktās formas tiem)

lib/src/latvian/ParadigmsPronounsLav.gf

@@ -157,13 +157,13 @@ oper
 
   mkPronoun_They : Gender -> Pron = \g -> {
     s = \\c => (mkPronoun_Gend "viņš").s ! g ! Pl ! c ;
-    a = AgP3 Pl g ;
+    a = AgP3 Pl g Pos ;
     possessive = \\_,_,_ => "viņu"
   } ;
 
   mkPronoun_It_Sg : Gender -> Pron = \g -> {
     s = \\c => (mkPronoun_ThisThat That).s ! g ! Sg ! c ;
-    a = AgP3 Sg g ;
+    a = AgP3 Sg g Pos ;
     possessive = \\_,_,_ => case g of { Masc => "tā" ; Fem => "tās" }
   } ;
 
@@ -268,8 +268,7 @@ oper
     } ;
 
     -- Everything, something, nothing, i.e., all that end with "kas"
-    -- Quick & dirty
+    mkPronoun_Thing : Str -> Polarity -> Pron = \lemma,pol ->
-    mkPronoun_Thing : Str -> Pron = \lemma ->
     let stem : Str = Predef.tk 3 lemma
     in {
       s = \\c => table {
@@ -280,13 +279,14 @@ oper
         Loc => case stem of { "kaut" => stem ++ "kur" ; _ => stem + "kur" } ;
         Voc => NON_EXISTENT
       } ! c ;
-      a = AgP3 Sg Masc ;
+      a = AgP3 Sg Masc pol ;
       possessive = \\_,_,_ => case stem of { "kaut" => stem ++ "kā" ; _ => stem + "kā" }
     } ;
 
-    mkPronoun_Body : Str -> Pron = \lemma -> {
+    -- Everybody, somebody, nobody
+    mkPronoun_Body : Str -> Polarity -> Pron = \lemma,pol -> {
       s = \\c => (mkPronoun_Gend lemma).s ! Masc ! Sg ! c ;
-      a = AgP3 Sg Masc ;
+      a = AgP3 Sg Masc pol ;
       possessive = \\_,_,_ => (mkPronoun_Gend lemma).s ! Masc ! Sg ! Gen ;
     } ;
 

lib/src/latvian/PhraseLav.gf

@@ -23,7 +23,7 @@ lin
   UttAdv adv = adv ;
 
   -- FIXME: neesmu līdz galam drošs vai agreement ir tieši (AgPr Pl)
-  UttVP vp = { s = build_VP vp Pos Infinitive (AgP3 Pl Masc) } ;
+  UttVP vp = { s = build_VP vp Pos Infinitive (AgP3 Pl Masc Pos) } ;
 
   UttIP ip = { s = ip.s ! Nom } ;
   UttIAdv iadv = iadv ;

lib/src/latvian/QuestionLav.gf

@@ -14,13 +14,13 @@ flags
 lin
   QuestCl cl = { s = \\m,p => "vai" ++ cl.s ! m ! p } ;
 
-  QuestVP ip vp = { s = \\m,p => ip.s ! Nom ++ buildVerb vp.v m p (AgP3 ip.n Masc) False vp.objNeg } ;
+  QuestVP ip vp = { s = \\m,p => ip.s ! Nom ++ buildVerb vp.v m p (AgP3 ip.n Masc Pos) Pos vp.objNeg } ;
 
   QuestSlash ip slash = { s = \\m,p => slash.p.s ++ ip.s ! (slash.p.c ! ip.n) ++ slash.s ! m ! p } ;
 
   QuestIAdv iadv cl = { s = \\m,p => iadv.s ++ cl.s ! m ! p } ;
 
-  QuestIComp icomp np = { s = \\m,p => icomp.s ++ buildVerb mkVerb_Irreg_Be m p np.a np.isNeg False  ++ np.s ! Nom } ;
+  QuestIComp icomp np = { s = \\m,p => icomp.s ++ buildVerb mkVerb_Irreg_Be m p np.a (fromAgr np.a).pol Pos  ++ np.s ! Nom } ;
 
   IdetQuant idet num = {
     s = \\g => idet.s ! g ! num.n ++ num.s ! g ! Nom ;

lib/src/latvian/RelativeLav.gf

@@ -29,8 +29,8 @@ oper
           _       => rp.s ! Masc ! vp.agr.c_topic
         } ++
         case subj of {  -- Verb
-          Nom => buildVerb vp.v mood pol (toAgr (fromAgr agr).num P3 (fromAgr agr).gend) False vp.objNeg ; -- TODO: kāpēc P3 nevis agr, kāds tas ir?
+          Nom => buildVerb vp.v mood pol (AgP3 (fromAgr agr).num (fromAgr agr).gend Pos) Pos vp.objNeg ; -- TODO: kāpēc P3 nevis agr, kāds tas ir?
-          _   => buildVerb vp.v mood pol vp.agr.agr False vp.objNeg -- TODO: test me
+          _   => buildVerb vp.v mood pol vp.agr.agr Pos vp.objNeg -- TODO: test me
         } ++
         vp.compl ! agr  -- Object(s), complements, adverbial modifiers
     } ;

lib/src/latvian/ResLav.gf

@@ -52,7 +52,8 @@ param
   -- Verb agreement
   -- Number depends on the person
   -- Gender has to be taken into accunt because of predicative nominals and participles
-  Agr = AgP1 Number Gender | AgP2 Number Gender | AgP3 Number Gender ;
+  -- Polarity may depend on the subject/object NP (double negation, if subject/object has a negated determiner)
+  Agr = AgP1 Number Gender | AgP2 Number Gender | AgP3 Number Gender Polarity ;
 
   -- Clause agreement
   -- TODO: jāpāriet uz vienotu TopicFocus (=> ieraksta tips)
@@ -84,7 +85,7 @@ oper
   --       ne vienmēr ir abi un ne visas kombinācijas ir vajadzīgas
   --       
   -- TODO: lai varētu spēlēties ar vārdu secību, compl vēlāk būs jāskalda pa daļām
-  VP = { v : Verb ; compl : Agr => Str ; agr : ClAgr ; objNeg : Bool } ;
+  VP = { v : Verb ; compl : Agr => Str ; agr : ClAgr ; objNeg : Polarity } ;
   -- compl: objects, complements, adverbial modifiers
   -- topic: typically - subject
   -- focus: typically - objects, complements, adverbial modifiers
@@ -99,11 +100,11 @@ oper
   --Valence : Type = { p : Prep ; c : Number => Case } ;
   -- e.g. 'ar' + Sg-Acc or Pl-Dat; Preposition may be skipped for simple case-baced valences
 
-  toAgr : Number -> Person -> Gender -> Agr = \num,pers,gend ->
+  toAgr : Person -> Number -> Gender -> Polarity -> Agr = \pers,num,gend,pol ->
     case pers of {
       P1 => AgP1 num gend ;
       P2 => AgP2 num gend ;
-      P3 => AgP3 num gend
+      P3 => AgP3 num gend pol
     } ;
 
   toClAgr : Case -> Case -> Agr -> Voice -> ClAgr = \c_topic,c_focus,agr,voice -> {
@@ -113,33 +114,25 @@ oper
     voice = voice
   } ;
 
-  -- TODO: quick & dirty
+  toClAgr_Reg : Case -> ClAgr = \c_topic -> toClAgr c_topic Nom (AgP3 Sg Masc Pos) Act ;
-  toClAgr_Reg : Case -> ClAgr = \c_topic -> toClAgr c_topic Nom (AgP3 Sg Masc) Act ;
 
-  fromAgr : Agr -> { num : Number ; pers : Person ; gend : Gender } = \agr ->
+  fromAgr : Agr -> { pers : Person ; num : Number ; gend : Gender ; pol : Polarity } = \agr ->
     case agr of {
-      AgP1 num gend => { num = num ; pers = P1 ; gend = gend } ;
+      AgP1 num gend     => { pers = P1 ; num = num ; gend = gend ; pol = Pos } ;
-      AgP2 num gend => { num = num ; pers = P2 ; gend = gend } ;
+      AgP2 num gend     => { pers = P2 ; num = num ; gend = gend ; pol = Pos } ;
-      AgP3 num gend => { num = num ; pers = P3 ; gend = gend }
+      AgP3 num gend pol => { pers = P3 ; num = num ; gend = gend ; pol = pol }
     } ;
 
-  {-
-  fromClAgr : ClAgr -> { c_topic : Case ; c_focus : Case ; voice : Voice } = \agr ->
-    case agr of {
-      Topic      c_topic           voice => { c_topic = c_topic ; c_focus = Acc     ; voice = voice } ;
-      TopicFocus c_topic c_focus _ voice => { c_topic = c_topic ; c_focus = c_focus ; voice = voice }
-    } ;
-  -}
-  
   conjAgr : Agr -> Agr -> Agr = \agr1,agr2 ->
     let
       a1 = fromAgr agr1 ;
       a2 = fromAgr agr2
     in
       toAgr
-        (conjNumber a1.num a2.num)
         (conjPerson a1.pers a2.pers) -- FIXME: personu apvienošana ir tricky un ir jāuztaisa korekti
-        (conjGender a1.gend a2.gend) ;
+        (conjNumber a1.num a2.num)
+        (conjGender a1.gend a2.gend)
+        (conjPolarity a1.pol a2.pol) ;
 
   conjGender : Gender -> Gender -> Gender = \gend1,gend2 ->
     case gend1 of {
@@ -147,6 +140,12 @@ oper
       _   => Masc
     } ;
 
-  agrgP3 : Number -> Gender -> Agr = \num,gend -> toAgr num P3 gend ;
+  conjPolarity : Polarity -> Polarity -> Polarity = \pol1,pol2 ->
+    case pol1 of {
+      Neg => Neg ;
+      _   => pol2
+    } ;
+
+  --agrP3 : Number -> Gender -> Polarity -> Agr = \num,gend,pol -> toAgr P3 num gend pol ;
 
 }

lib/src/latvian/SentenceLav.gf

@@ -32,7 +32,7 @@ lin
       v = vs ;
       compl = \\_ => "," ++ vs.subj.s ++ sslash.s ;
       agr = toClAgr_Reg vs.topic ;
-      objNeg = False
+      objNeg = Pos
     }) ** { p = sslash.p } ;
 
   ComplVS v s  = { v = v ; compl = \\_ => "," ++ v.subj.s ++ s.s } ;
@@ -42,8 +42,8 @@ lin
 
   EmbedQS qs = { s = qs.s } ;
 
-  -- FIXME: neesmu līdz galam drošs vai agreement ir tieši (AgPr Pl)
+  -- FIXME: vai agr ir Pl?
-  EmbedVP vp = { s = build_VP vp Pos Infinitive (AgP3 Pl Masc) } ;
+  EmbedVP vp = { s = build_VP vp Pos Infinitive (AgP3 Pl Masc Pos) } ;
 
   UseCl t p cl = { s = t.s ++ p.s ++ cl.s ! (Ind t.a t.t) ! p.p } ;
   UseQCl t p cl = { s = t.s ++ p.s ++ cl.s ! (Ind t.a t.t) ! p.p } ;
@@ -69,31 +69,12 @@ oper
         case mood of {  -- Subject
           Deb _ _ => np.s ! Dat ;  --# notpresent
           _       => np.s ! vp.agr.c_topic
-          {-
-          _       => case vp.agr.voice of {
-            Act  => np.s ! vp.agr.c_topic ;
-            Pass => np.s ! vp.agr.c_focus
-          }
-          -}
-          {-
-          _       => case vp.agr of {
-            Topic      c     _ => np.s ! c ;
-            TopicFocus c _ _ _ => np.s ! c
-          }
-          -}
         } ++
         case subj of {  -- Verb
-          Nom => buildVerb vp.v mood pol np.a np.isNeg vp.objNeg ;
+          -- TODO: vai np.a un np.a.pol argumentus nevar apvienot?
-          _   => buildVerb vp.v mood pol vp.agr.agr np.isNeg vp.objNeg -- TODO: test me
+          Nom => buildVerb vp.v mood pol np.a (fromAgr np.a).pol vp.objNeg ;
+          _   => buildVerb vp.v mood pol vp.agr.agr (fromAgr np.a).pol vp.objNeg -- TESTME
         } ++
-        {-
-        case vp.agr of {  -- Verb
-          Topic      Nom       _ => buildVerb vp.v mood pol np.a np.isNeg vp.objNeg ;
-          Topic      _         _ => buildVerb vp.v mood pol (AgP3 Sg Masc) np.isNeg vp.objNeg ;  -- TODO: test me
-          TopicFocus Nom _ _   _ => buildVerb vp.v mood pol np.a np.isNeg vp.objNeg ;
-          TopicFocus _   _ agr _ => buildVerb vp.v mood pol agr np.isNeg vp.objNeg
-        } ++
-        -}
         vp.compl ! np.a  -- Object(s), complements, adverbial modifiers
     } ;
 
@@ -101,7 +82,7 @@ oper
   -- Eng: PredSCVP sc vp = mkClause sc.s (agrP3 Sg) vp
   -- Ar SC nav iespējams neko saskaņot (sk. Cat.gf un Common.gf)
   mkClauseSC : SC -> CatLav.VP -> Cl = \sc,vp -> lin Cl {
-    s = \\mood,pol => sc.s ++ buildVerb vp.v mood pol (AgP3 Sg Masc) False vp.objNeg ++ vp.compl ! (AgP3 Sg Masc)
+    s = \\mood,pol => sc.s ++ buildVerb vp.v mood pol (AgP3 Sg Masc Pos) Pos vp.objNeg ++ vp.compl ! (AgP3 Sg Masc Pos)
   } ;
 
 }

lib/src/latvian/StructuralLav.gf

@@ -22,60 +22,60 @@ lin
     s = (\\g,c => (mkPronoun_Gend "ikviens").s ! g ! Sg ! c) ;
     n = Sg ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   someSg_Det = {
     s = (\\g,c => (mkPronoun_Gend "kāds").s ! g ! Sg ! c) ;  --  TODO: lai atļautu arī tukšo, jāpieliek alternatīva: (\\_,_ => [])
     n = Sg ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   somePl_Det = {
     s = (\\g,c => (mkPronoun_Gend "kāds").s ! g ! Pl ! c) ;   --  TODO: lai atļautu arī tukšo, jāpieliek alternatīva: (\\_,_ => [])
     n = Pl ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   few_Det = {
     s = (\\g,c => (mkPronoun_Gend "dažs").s ! g ! Pl ! c) ;
     n = Pl ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   many_Det = {
     s = (\\g,c => (mkPronoun_Gend "daudzs").s ! g ! Pl ! c) ;  -- 'daudzs' izlocīsies korekti uz daudzskaitļa 'daudzi'; tomēr nesmuki...
     n = Pl ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   much_Det = {
     s = (\\g,c => "daudz") ;  -- FIXME: piesaista ģenitīvu
     n = Sg ;
     d = Indef ;
-    isNeg = False
+    pol = Pos
   } ;
 
   this_Quant = {
     s = (mkPronoun_ThisThat This).s ;
     d = Def ;
-    isNeg = False
+    pol = Pos
   } ;
 
   that_Quant = {
     s = (mkPronoun_ThisThat That).s ;
     d = Def ;
-    isNeg = False
+    pol = Pos
   } ;
 
   no_Quant = {
     s = (mkPronoun_Gend "neviens").s ;
     d = Indef ;
-    isNeg = True
+    pol = Neg
   } ;
 
   -- P1
@@ -96,13 +96,13 @@ lin
 
   he_Pron = {
     s = \\c => (mkPronoun_Gend "viņš").s ! Masc ! Sg ! c ;
-    a = AgP3 Sg Masc ;
+    a = AgP3 Sg Masc Pos ;
     possessive = \\_,_,_ => "viņa"
   } ;
 
   she_Pron = {
     s = \\c => (mkPronoun_Gend "viņš").s ! Fem ! Sg ! c ;
-    a = AgP3 Sg Fem ;
+    a = AgP3 Sg Fem Pos ;
     possessive = \\_,_,_ => "viņas"
   } ;
 
@@ -247,15 +247,15 @@ lin
 
   always_AdV = mkAdV "vienmēr" ;
 
-  somebody_NP = UsePron (mkPronoun_Body "kāds") ;
+  somebody_NP = UsePron (mkPronoun_Body "kāds" Pos) ;
-  something_NP = UsePron (mkPronoun_Thing "kaut kas") ;
+  something_NP = UsePron (mkPronoun_Thing "kaut kas" Pos) ;
-  everybody_NP = UsePron (mkPronoun_Body "ikviens") ;
+  everybody_NP = UsePron (mkPronoun_Body "ikviens" Pos) ;
-  everything_NP = UsePron (mkPronoun_Thing "jebkas") ;
+  everything_NP = UsePron (mkPronoun_Thing "jebkas" Pos) ;
-  nobody_NP = UsePron (mkPronoun_Body "neviens") ;
+  nobody_NP = UsePron (mkPronoun_Body "neviens" Neg) ;
-  nothing_NP = UsePron (mkPronoun_Thing "nekas") ;
+  nothing_NP = UsePron (mkPronoun_Thing "nekas" Neg) ;
 
   have_V2 = mkV2 (mkV "būt") nom_Prep Dat ;
-  have_V3 = mkV3 (mkV "būt") nom_Prep dat_Prep Dat ;
+  --have_V3 = mkV3 (mkV "būt") nom_Prep dat_Prep Dat ;
 
   want_VV = mkVV (mkV "vēlēties" third_conjugation) ;
   can_VV = mkVV (mkV "varēt" third_conjugation) ;

lib/src/latvian/SymbolLav.gf

@@ -17,20 +17,17 @@ lin
 
   CNIntNP cn i = {
     s = \\_ => cn.s ! Indef ! Sg ! Nom ++ i.s ;
-    a = agrgP3 Sg cn.g ; 
+    a = AgP3 Sg cn.g Pos
-    isNeg = False
   } ;
 
   CNSymbNP det cn xs = {
     s = \\_ => det.s ! cn.g ! Nom ++ cn.s ! det.d ! det.n ! Nom ++ xs.s ;
-    a = agrgP3 det.n cn.g ;
+    a = AgP3 det.n cn.g Pos
-    isNeg = False
   } ;
 
   CNNumNP cn i = {
     s = \\_ => cn.s ! Indef ! Sg ! Nom ++ i.s ! Masc ! Nom ;
-    a = agrgP3 Sg cn.g ;
+    a = AgP3 Sg cn.g Pos
-    isNeg = False
   } ;
 
   SymbS sy = sy ;

lib/src/latvian/VerbLav.gf

@@ -25,35 +25,35 @@ lin
     v = v ;
     compl = \\_ => [] ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   ComplVV vv vp = {
     v = vv ;
     compl = \\agr => build_VP vp Pos Infinitive agr ;
     agr = toClAgr_Reg vv.topic ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   ComplVS vs s = {
     v = vs ;
     compl = \\_ => "," ++ vs.subj.s ++ s.s ;
     agr = toClAgr_Reg vs.topic ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   ComplVQ vq qs = {
     v = vq ;
     compl = \\_ => "," ++ qs.s ;
     agr = toClAgr_Reg vq.topic ;
-    objNeg = False
+    objNeg = Pos
   } ;
   
   ComplVA va ap = {
     v = va ;
     compl = \\agr => ap.s ! Indef ! (fromAgr agr).gend ! (fromAgr agr).num ! Nom ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   -- V2 -> VPSlash
@@ -62,8 +62,8 @@ lin
     v = v2 ;
     compl = \\_ => [] ;
     p = v2.p ;
-    agr = toClAgr v2.topic (v2.p.c ! Sg) (AgP3 Sg Masc) Act ; -- overriden in ComplSlash
+    agr = toClAgr v2.topic (v2.p.c ! Sg) (AgP3 Sg Masc Pos) Act ; -- overriden in ComplSlash
-    objNeg = False -- overriden in ComplSlash
+    objNeg = Pos -- overriden in ComplSlash
   } ;
 
   -- VPSlash -> NP -> VP
@@ -99,7 +99,7 @@ oper
       -- _                          => Topic Nom -- kāpēc ne 'Topic topic_case'? -- TODO: remove
     } ;
     -}
-    objNeg = obj_np.isNeg
+    objNeg = (fromAgr obj_np.a).pol
   } ;
 
 lin
@@ -112,7 +112,7 @@ lin
       compl = \\_ => [] ;
       p = v3.p2 ;
       agr = toClAgr v3.topic (v3.p1.c ! Sg) np.a Act ; -- TESTME: P1, P2 (in the focus)
-      objNeg = np.isNeg -- TESTME
+      objNeg = (fromAgr np.a).pol -- TESTME
     } ;
 
   -- V3 -> NP -> VPSlash ;  -- give (it) to her
@@ -122,8 +122,8 @@ lin
       v = v3 ;
       compl = \\_ => [] ;
       p = v3.p1 ;
-      agr = toClAgr v3.topic (v3.p2.c ! Sg) (AgP3 Sg Masc) Act ; -- FIXME: works only if the focus is P3 (Sg/Pl); TODO: P1, P2 (Sg, Pl)
+      agr = toClAgr v3.topic (v3.p2.c ! Sg) (AgP3 Sg Masc Pos) Act ; -- FIXME: works only if the focus is P3 (Sg/Pl); TODO: P1, P2 (Sg, Pl)
-      objNeg = np.isNeg -- TESTME
+      objNeg = (fromAgr np.a).pol -- TESTME
     } ;
 
   SlashV2V v2v vp = {
@@ -131,7 +131,7 @@ lin
     compl = \\agr => build_VP vp Pos Infinitive agr ;
     p = v2v.p ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
   
   SlashV2S v2s s = {
@@ -139,7 +139,7 @@ lin
     compl = \\_ => "," ++ v2s.subj.s ++ s.s ;
     p = v2s.p ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   SlashV2Q v2q qs = {
@@ -147,7 +147,7 @@ lin
     compl = \\_ => "," ++ qs.s ;
     p = v2q.p ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
   
   SlashV2A v2a ap = {
@@ -155,7 +155,7 @@ lin
     compl = \\agr => ap.s ! Indef ! (fromAgr agr).gend ! (fromAgr agr).num ! Nom ;
     p = v2a.p ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   SlashVV vv vpslash = {
@@ -163,7 +163,7 @@ lin
     compl = \\agr => build_VP vpslash Pos Infinitive agr ;
     p = vpslash.p ;
     agr = toClAgr_Reg vv.topic ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   SlashV2VNP v2v np vpslash = insertObjC
@@ -173,7 +173,7 @@ lin
       compl = \\agr => build_VP vpslash Pos Infinitive agr ;
       p = vpslash.p ;
       agr = toClAgr_Reg Nom ;
-      objNeg = False
+      objNeg = Pos
     } ;
 
   ReflVP vpslash = insertObjPre
@@ -184,7 +184,7 @@ lin
     v = lin V mkVerb_Irreg_Be ;
     compl = \\agr => comp.s ! agr ;
     agr = toClAgr_Reg Nom ;
-    objNeg = False
+    objNeg = Pos
   } ;
 
   -- V2 -> VP
@@ -193,8 +193,8 @@ lin
     v      = v2 ;
     compl  = \\_ => [] ;
     --agr    = toClAgr v2.topic (v2.p.c ! Sg) (AgP3 Sg Masc) Pass ; -- FIXME(?): should not be overriden in ComplSlash; P3 restriction - never used?
-    agr    = toClAgr (v2.p.c ! Sg) v2.topic (AgP3 Sg Masc) Pass ; -- FIXME(?): should not be overriden in ComplSlash; P3 restriction - never used?
+    agr    = toClAgr (v2.p.c ! Sg) v2.topic (AgP3 Sg Masc Pos) Pass ; -- FIXME(?): should not be overriden in ComplSlash; P3 restriction - never used?
-    objNeg = False -- overriden in ComplSlash
+    objNeg = Pos -- overriden in ComplSlash
   } ;
 
   -- VP -> Prep -> VPSlash
@@ -239,13 +239,13 @@ oper
   } ;
 
   -- FIXME: the type of the participle form - depending on what?! (currently fixed)
-  buildVerb : Verb -> VerbMood -> Polarity -> Agr -> Bool -> Bool -> Str = 
+  buildVerb : Verb -> VerbMood -> Polarity -> Agr -> Polarity -> Polarity -> Str = 
   \v,mood,pol,subjAgr,subjNeg,objNeg ->
     let
       pol_prim : Polarity = case <subjNeg, objNeg> of {
-        <True, _> => Neg ;
+        <Neg, _> => Neg ;
-        <_, True> => Neg ;
+        <_, Neg> => Neg ;
-        _         => pol
+        _        => pol
       } ;
       agr = fromAgr subjAgr
       ;  --# notpresent