(Som) Add comparatives

src/somali/AdjectiveSom.gf

@@ -8,12 +8,15 @@ concrete AdjectiveSom of Adjective = CatSom ** open ResSom, Prelude in {
 -- elliptic-relational.
 
   -- : A  -> AP ;
-  PositA a = a ;
+  PositA a = a ** {
+    compar = [] ;
+    } ;
 
   -- : A  -> NP -> AP ;
-  -- ComparA a np = a ** {
-  --   s    = \\agr => np.s ! Abs ++ "ka" ++ a.s ! AF Compar ;
-  --   } ;
+  ComparA a np = a ** {
+    s = \\af => "ka" ++ a.s ! af ;
+    compar = np.s ! Abs
+    } ;
 
   -- : A2 -> NP -> AP ;  -- married to her
   -- ComplA2 a2 np = a2 ** { } ;
@@ -25,7 +28,10 @@ concrete AdjectiveSom of Adjective = CatSom ** open ResSom, Prelude in {
   UseA2 = PositA ;
 
   -- : A  -> AP ;     -- warmer
-  --UseComparA a = a ** {} ;
+  UseComparA a = a ** {
+    s = \\af => "ka" ++ a.s ! af ;
+    compar = []
+    } ;
 
 
   -- : CAdv -> AP -> NP -> AP ; -- as cool as John

src/somali/CatSom.gf

@@ -23,7 +23,7 @@ concrete CatSom of Cat = CommonX - [Adv,IAdv] ** open ResSom, Prelude in {
 -- Constructed in QuestionSom.
 
     QCl = ResSom.QClause ;
-    IComp = ResSom.Complement ;              -- interrogative complement of copula  e.g. "where"
+    IComp = SS ;                -- interrogative complement of copula  e.g. "where"
     IDet = ResSom.Determiner ;  -- interrogative determiner            e.g. "how many"
     IQuant = ResSom.Quant ; -- interrogative quantifier            e.g. "which"
     IP = ResSom.NounPhrase ** {contractSTM : Bool} ;  -- like NP but may contract with STM

src/somali/QuestionSom.gf

@@ -50,7 +50,7 @@ concrete QuestionSom of Question = CatSom ** open
 
   -- : IComp -> NP -> QCl ;   -- where is John?
   QuestIComp icomp np =
-    let cls = predVP np (VS.UseComp icomp) ;
+    let cls = predVP np (VS.UseComp (icomp2comp icomp)) ;
         -- cl = cls ** { -- TODO: neg. questions
         --       stm : ClType=>Polarity=>Str = \\_,_ => "waa"
         -- }
@@ -87,18 +87,10 @@ concrete QuestionSom of Question = CatSom ** open
 -- pronouns.
 
   -- : IAdv -> IComp ;
-  CompIAdv iadv = {            -- where (is it)
-    aComp = \\_ => [] ;
-    nComp = iadv.s ;
-    stm = Waa NoCopula ;
-    } ;
+  CompIAdv iadv = iadv ;            -- where (is it)
 
   -- : IP -> IComp ;
-  CompIP ip = {                -- who (is it)
-    aComp = \\_ => [] ;
-    nComp = ip.s ! Abs ;
-    stm = Waa NoCopula ;
-    } ;
+  CompIP ip = {s = ip.s ! Abs} ;    -- who (is it)
 
 {-
 -- More $IP$, $IDet$, and $IAdv$ are defined in $Structural$.
@@ -117,6 +109,13 @@ concrete QuestionSom of Question = CatSom ** open
 
 oper
 
+  icomp2comp : SS -> Complement = \icomp -> icomp ** {
+    aComp = \\_ => [] ;
+    nComp = icomp.s ;
+    compar = [] ;
+    stm = Waa NoCopula
+  } ;
+
   -- Question clauses: subject pronoun not included, STM is
   cl2qcl : ClType -> Bool -> ClSlash -> Clause = \cltyp ->
     let hasSubjPron : Bool = False ;

src/somali/ResSom.gf

@@ -464,7 +464,7 @@ oper
         => q + a + y + b + sg ; --qayb+qaybsan, fiic+fiican
     _   => sg + sg } ;
 
-  AdjPhrase : Type = Adjective ;
+  AdjPhrase : Type = Adjective ** {compar : Str} ;
 --------------------------------------------------------------------------------
 -- Verbs
 
@@ -728,6 +728,7 @@ oper
   Complement : Type = {
     aComp : Agreement => Str ;
     nComp : Str ;
+    compar : Str ; -- comparative is discontinuous
     stm : STM ; -- to choose right sentence type marker
     } ;
 
@@ -747,6 +748,7 @@ oper
             True  => Waa Copula ;
             False => Waa NoPred
           } ;
+    compar = [] ;
     nComp = [] ;
     aComp = \\_ => [] ;
     vComp = {subjunc, inf = [] ;
@@ -872,6 +874,7 @@ oper
 
   predVP : NounPhrase -> VerbPhrase -> ClSlash = \np,vps -> vp ** {
     subj = {noun = subjnoun ; pron = subjpron ; isP3 = isP3 subj.a} ;
+    obj2 = vp.obj2 ** {s = vp.obj2.s ++ vp.compar} ;
     pred = \\cltyp,t,a,p =>
             let predRaw = vf cltyp t a p subj.a vp ;
              in case <cltyp, p, t, vp.stm, subj.a> of {

src/somali/VerbSom.gf

@@ -137,6 +137,7 @@ lin
   CompAP ap = {
     aComp = \\a => ap.s ! AF (getNum a) Abs ;
     nComp = [] ;
+    compar = ap.compar ;
     stm = Waa Copula ;
     } ;
 
@@ -145,6 +146,7 @@ lin
     -- I am [a house that sleeps here] vs.  we are [houses that sleep here]
     aComp = \\a => cn2str (getNum a) Abs cn ;
     nComp = [] ;
+    compar = [] ;
     stm = Waa NoCopula ;
     } ;
 
@@ -152,6 +154,7 @@ lin
   CompNP np = {
     aComp = \\a => [] ;
     nComp = np.s ! Abs ;
+    compar = [] ;
     stm = Waa NoCopula ;
     } ;
 
@@ -159,6 +162,7 @@ lin
   CompAdv adv = {
     aComp = \\a => linAdv adv ; -- TODO check placement
     nComp = [] ;
+    compar = [] ;
     stm = Waa Copula ;
     } ;
 

src/somali/unittest/ap.gftest

@@ -1,3 +1,7 @@
+------------------
+-- Conjunctions --
+------------------
+
 -- LangEng: the big black bird
 LangSom: shimbir BIND ta madow ee weyn
 Lang: PhrUtt NoPConj (UttNP (DetCN (DetQuant DefArt NumSg) (AdjCN (PositA big_A) (AdjCN (PositA black_A) (UseN bird_N))))) NoVoc
@@ -5,3 +9,16 @@ Lang: PhrUtt NoPConj (UttNP (DetCN (DetQuant DefArt NumSg) (AdjCN (PositA big_A)
 -- LangEng: a big black bird
 LangSom: shimbir madow oo weyn
 Lang: PhrUtt NoPConj (UttNP (DetCN (DetQuant IndefArt NumSg) (AdjCN (PositA big_A) (AdjCN (PositA black_A) (UseN bird_N))))) NoVoc
+
+-----------------
+-- Comparative --
+-----------------
+
+-- Examples from Saeed p. 107
+-- LangEng: that cat is bigger
+LangSom: bisad BIND daasi waa ka weyn tahay
+Lang: PhrUtt NoPConj (UttS (UseCl (TTAnt TPres ASimul) PPos (PredVP (DetCN (DetQuant that_Quant NumSg) (UseN cat_N)) (UseComp (CompAP (UseComparA big_A)))))) NoVoc
+
+-- LangEng: that cat is bigger than this cat
+LangSom: bisad BIND daasi bisad BIND dan waa ka weyn tahay
+Lang: PhrUtt NoPConj (UttS (UseCl (TTAnt TPres ASimul) PPos (PredVP (DetCN (DetQuant that_Quant NumSg) (UseN cat_N)) (UseComp (CompAP (ComparA big_A (DetCN (DetQuant this_Quant NumSg) (UseN cat_N)))))))) NoVoc