(Som) Add the structure and placeholders for Somali RG

src/somali/NounSom.gf

@@ -0,0 +1,224 @@
+concrete NounSom of Noun = CatSom ** open ResSom, Prelude in {
+
+  flags optimize=all_subs ;
+
+  lin
+
+--2 Noun phrases
+
+-- The three main types of noun phrases are
+-- - common nouns with determiners
+-- - proper names
+-- - pronouns
+
+  -- : Det -> CN -> NP
+  DetCN det cn = useN cn ** {
+    s = \\c =>
+         let nfc : {nf : NForm ; c : Case} =
+           case <c,cn.hasMod,det.d> of {
+              <Nom,True, Indef Sg> => {nf=Indef Sg ; c=Abs} ;
+              <Nom,False,Indef Sg> => {nf=IndefNom ; c=Nom} ; -- special form for fem. nouns
+              <Nom,True,Def x A>   => {nf=Def x A ; c=Abs} ;
+              <Nom,False,Def x A>  => {nf=Def x U ; c=Nom} ;
+              _                    => {nf=det.d ; c=c}
+           } ;
+          in cn.s ! nfc.nf
+          ++ det.s ! nfc.c
+          ++ cn.mod ! getNum (getAgr det.d Masc) ! c ;
+    a = getAgr det.d cn.g
+    } ;
+
+  -- : PN -> NP ;
+  UsePN pn = pn ** {
+    s = \\c => pn.s ;
+    isPron = False ;
+    sp = pn.s } ;
+
+  -- : Pron -> NP ;
+  UsePron pron = lin NP pron ;
+
+
+  -- : Predet -> NP -> NP ; -- only the man
+  PredetNP predet np = np ** {
+    s = \\c => predet.s ++ np.s ! c ---- ?
+    } ;
+
+
+-- A noun phrase can also be postmodified by the past participle of a
+-- verb, by an adverb, or by a relative clause
+
+
+  -- : NP -> V2  -> NP ;    -- the man seen
+  -- PPartNP np v2 = np ** {
+  --   s = \\c => v2.s ! ??? ++ np.s ! c } ; ----
+
+  -- : NP -> Adv -> NP ;    -- Paris today ; boys, such as ..
+  --AdvNP,ExtAdvNP = \np,adv -> np ** {} ; --adverbs are complicated
+
+  -- : NP -> RS  -> NP ;    -- Paris, which is here
+  -- RelNP np rs = np ** { s = \\c => rs.s ! np.agr ++ np.s ! c } ;
+
+-- Determiners can form noun phrases directly.
+
+  -- : Det -> NP ;
+  DetNP det = {
+    s = det.sp ! Masc ; ---- Any way to decide for gender here?
+    a = getAgr det.d Masc ;
+    isPron = False ; sp = []
+    } ;
+
+  -- MassNP : CN -> NP ;
+  MassNP cn = useN cn ** {
+    s = table { Nom => cn.s ! IndefNom ++ cn.mod ! Sg ! Nom ;
+                Abs => cn.s ! Indef Sg ++ cn.mod ! Sg ! Abs }
+    } ;
+
+
+--2 Determiners
+
+-- The determiner has a fine-grained structure, in which a 'nucleus'
+-- quantifier and an optional numeral can be discerned.
+
+  -- : Quant -> Num -> Det ;
+  -- DetQuant quant num = quant **
+  --   { } ;
+
+  -- : Quant -> Num -> Ord -> Det ;  -- these five best
+  -- DetQuantOrd quant num ord =
+  --   let theseFive = DetQuant quant num
+  --   in theseFive ** { s = \\c,ph => theseFive.s ! c ! ph ++ ord.s } ; --TODO: dummy implementation
+
+-- Whether the resulting determiner is singular or plural depends on the
+-- cardinal.
+
+-- All parts of the determiner can be empty, except $Quant$, which is
+-- the "kernel" of a determiner. It is, however, the $Num$ that determines
+-- the inherent number.
+{-
+  NumSg = { s = [] ; n = Sg ; isNum = False } ;
+  NumPl = { s = [] ; n = Pl ; isNum = False } ;
+
+  -- : Card -> Num ;
+  NumCard card = (card ** { isNum = True }) ;
+
+  -- : Digits  -> Card ;
+  NumDigits dig = { s = dig.s ! NCard ; n = dig.n } ;
+
+  -- : Numeral -> Card ;
+  NumNumeral num = num ;
+
+  -- : AdN -> Card -> Card ;
+  AdNum adn card = card ** { s = adn.s ++ card.s } ;
+
+  -- : Digits  -> Ord ;
+  OrdDigits digs = digs ** { s = digs.s ! NOrd } ;
+
+  -- : Numeral -> Ord ;
+  OrdNumeral num = num ;
+
+  -- : A       -> Ord ;
+  OrdSuperl a = { s = a.s ! AF Superl ; n = Sg } ; -- why force Sg?
+
+-- One can combine a numeral and a superlative.
+
+  -- : Numeral -> A -> Ord ; -- third largest
+  OrdNumeralSuperl num a = num ** { s = num.s ++ a.s ! AF Superl } ; --TODO: is the word order correct?
+
+  -- : Quant
+  DefArt = { s     = artDef ;
+             indep = False ;
+             pref  = [] ;
+             isDef = True } ;
+  -- : Quant
+  IndefArt = { s     = artDef ;
+               indep = False ;
+               pref  = [] ;
+               isDef = False } ; --has suffix, but turns into partitive in negative!
+
+  -- : Pron -> Quant
+  PossPron pron = { s     = artDef ;
+                    indep = True ;
+                    pref  = pron.s ! Gen ;
+                    isDef = True } ;
+-}
+--2 Common nouns
+
+  -- : N -> CN
+  -- : N2 -> CN ;
+  UseN,UseN2 = ResSom.useN ;
+
+{-
+  -- : N2 -> NP -> CN ;    -- mother of the king
+  ComplN2 n2 np =
+    let compl = applyPost n2.compl1 np ;
+    in useN n2 ** { s = \\agr => compl ++ n2.s } ;
+
+  -- : N3 -> NP -> N2 ;    -- distance from this city (to Paris)
+  ComplN3 n3 np =
+    let compl = applyPost n3.c3 np ;
+    in n3 ** {s = compl ++ n3.s } ;
+-}
+
+  -- : N3 -> N2 ;          -- distance (from this city)
+  Use2N3 n3 = lin N2 n3 ** { c2 = n3.c3 } ;
+
+  -- : N3 -> N2 ;          -- distance (to Paris)
+  Use3N3 n3 = lin N2 n3 ;
+  -- : AP -> CN -> CN
+  AdjCN ap cn = cn ** {
+    s = table { IndefNom => cn.s ! Indef Sg ; -- When an adjective is added, noun loses case marker.
+                x        => cn.s ! x } ;
+    mod = \\n,c => cn.mod ! n ! Abs -- If there was something before, it is now in Abs
+                ++ ap.s ! AF n c ;
+    hasMod = True
+    } ;
+
+{-
+  -- : CN -> RS  -> CN ;
+  RelCN cn rs = cn ** {  } ;
+
+
+  -- : CN -> Adv -> CN ;
+  AdvCN cn adv = cn ** {  } ;
+
+-- Nouns can also be modified by embedded sentences and questions.
+-- For some nouns this makes little sense, but we leave this for applications
+-- to decide. Sentential complements are defined in VerbSom.
+
+  -- : CN -> SC  -> CN ;   -- question where she sleeps
+  SentCN cn sc = cn ** { } ;
+
+
+--2 Apposition
+
+-- This is certainly overgenerating.
+
+  -- : CN -> NP -> CN ;    -- city Paris (, numbers x and y)
+  ApposCN cn np = cn ** { s =  } ;
+
+
+--2 Possessive and partitive constructs
+
+  -- : PossNP  : CN -> NP -> CN ;
+  PossNP cn np = cn ** {  } ;
+
+  -- : CN -> NP -> CN ;     -- glass of wine / two kilos of red apples
+  PartNP cn np = cn ** {  } ;
+
+
+
+-- This is different from the partitive, as shown by many languages.
+
+  -- : Det -> NP -> NP ;
+  CountNP det np = np **
+    { } ; -- Nonsense for DefArt or IndefArt
+
+--3 Conjoinable determiners and ones with adjectives
+
+  -- : DAP -> AP -> DAP ;    -- the large (one)
+  AdjDAP dap ap = dap ** { } ;
+
+  -- : Det -> DAP ;          -- this (or that)
+  DetDAP det = det ;
+-}
+}