(Som) WIP: Passive.

src/somali/LexiconSom.gf

@@ -105,7 +105,7 @@ lin drink_V2 = mkV2 "cab" ;
 --
 -- lin ear_N = mkN "" ;
 -- lin earth_N = mkN "" ;
--- lin eat_V2 = mkV2 "" ;
+lin eat_V2 = mkV2 "cun" ;
 -- lin egg_N = mkN "" ;
 -- lin empty_A = mkA "" ;
 -- lin enemy_N = mkN "" ;
@@ -150,7 +150,7 @@ lin father_N2 = mkN2 (shortPossN (mkN "aabbe")) Gen  ;
 lin girl_N = mkN "gabadh" "gabdho" fem ;
 lin give_V3 = mkV3 "sii" ;
 -- lin glove_N = mkN "" ;
--- lin go_V = joan_V ;
+lin go_V = mkV "tag" ;
 -- lin gold_N = mkN "" ;
 -- lin good_A = mkA "" ;
 -- lin grammar_N = mkN "" ;
@@ -395,7 +395,7 @@ lin wait_V2 = mkV2 "sug" ;
 -- lin warm_A = mkA "" ;
 -- lin wash_V2 = mkV2 "" ;
 -- lin watch_V2 = mkV2 "" ;
--- lin water_N = mkN "" ;
+lin water_N = mkN "biya" ;
 -- lin wet_A = mkA "" ;
 -- lin white_A = mkA "" ;
 -- lin wide_A = mkA "" ;

src/somali/ParamSom.gf

@@ -116,7 +116,7 @@ param
 -- Prepositions
 
 param
-  Preposition = u | ku | ka | la | noPrep ;
+  Preposition = u | ku | ka | la | noPrep | passive ;
   PrepCombination = ugu | uga | ula | kaga | kula | kala
                   | Single Preposition ;
 
@@ -177,4 +177,10 @@ oper
   if_then_Pol : Polarity -> Str -> Str -> Str = \p,t,f ->
     case p of {Pos => t ; Neg => f } ;
 
+  forceAgr : Agreement -> (VForm=>Str) -> (VForm=>Str) = \agr,tbl -> table {
+    VPres asp _a pol => tbl ! VPres asp agr pol ;
+    VPast asp _a     => tbl ! VPast asp agr ;
+    x                => tbl ! x
+    } ;
+
 }

src/somali/ResSom.gf

@@ -140,6 +140,11 @@ oper
     isPron = False
     } ;
 
+  impersNP : NounPhrase = emptyNP ** {
+    a = Impers ;
+    isPron = True
+    } ;
+
 --------------------------------------------------------------------------------
 -- Pronouns
 
@@ -244,7 +249,9 @@ oper
     ka => mkPrep "ka" "iga" "kaa" "naga" "idinka" "laga" ;
     la => mkPrep "la" "ila" "kula" "nala" "idinla" "lala" ;
     u  => mkPrep "u" "ii" "kuu" "noo" "idiin" "loo" ;
-    noPrep => mkPrep [] "i" "ku" "na" "idin" "la"
+    noPrep => mkPrep [] "i" "ku" "na" "idin" "la" ;
+    -- impersonal subject clitic combining with object clitics. TODO find out the rest of the forms.
+    passive => mkPrep [] "la <1sg.obj>" "lagu" "la <1pl.obj>" "la <2pl.obj>" "la"
   } ;
 
   prepCombTable : Agreement => PrepCombination => Str = table {
@@ -531,7 +538,7 @@ oper
     } ;
 
   VerbPhrase : Type = Verb ** Complement ** {
-    isPred : Bool ;      -- to choose right sentence type marker
+    isPred : Bool ; -- to choose right sentence type marker
     adv : Str ;
     c2, c3 : Preposition ; -- can combine together and with object pronoun(s?)
     obj2 : {s : Str ; a : AgreementPlus} ;
@@ -584,21 +591,27 @@ oper
 
       -- If the old object is 3rd person, we can safely replace its agreement.
       -- We keep both old and new string (=noun, if there was one) in obj2.s.
-      NotPronP3|IsPron (Sg3 _|Pl3) =>
+      NotPronP3|IsPron (Sg3 _|Pl3|Impers) =>
         vp ** {obj2 = {
                   s = vp.obj2.s ++ noun ;
                   a = agr2agrplus np.isPron np.a} ; --
                } ; -- no secObj, because there's ≤1 non-3rd-person pronoun.
 
       -- If old object was non-3rd person, we keep its agreement.
-      _ => vp ** {
-              obj2 = vp.obj2 ** {
-                 s = vp.obj2.s ++ noun
-                 } ;
-              secObj = vp.secObj ++ secondObject ! np.a}
+      _ =>
+          vp ** {obj2 = vp.obj2 ** {
+                    s = vp.obj2.s ++ noun
+                    } ;
+                 secObj = vp.secObj ++ secondObject ! np.a}
 
     } ;
 
+  passV2 : Verb2 -> VerbPhrase = \v2 -> useVc v2 ** {
+    --s = forceAgr Impers v2.s ;
+    c2 = passive ;
+    c3 = v2.c2 ;
+    } ;
+
   insertAdv : Adverb -> VerbPhrase -> VerbPhrase = \adv,vp ->
     case adv.c2 of {
       noPrep => vp ** {adv = adv.s} ; -- The adverb is not formed with PrepNP
@@ -648,9 +661,11 @@ oper
      in stm ++ subjpron ! a ;
 
   subjpron : Agreement => Str = table {
-    Sg1|Pl1 _ => "aan" ;
+    Sg1|Pl1 Excl => "aan" ;
+    Pl1 Incl  => "aynu" ;
     Sg2|Pl2   => "aad" ;
     Sg3 Masc  => "uu" ;
+    Impers    => [] ;
     _         => "ay" } ;
 
 --------------------------------------------------------------------------------

src/somali/SentenceSom.gf

@@ -8,20 +8,25 @@ lin
 --2 Clauses
 
   -- : NP -> VP -> Cl
-  PredVP np vps = let vp = complSlash vps in {
-    s = \\t,a,p =>
-       let pred : {fin : Str ; inf : Str} = vf t a p np.a vp ;
-           subj : Str = if_then_Str np.isPron [] (np.s ! Nom) ;
-           obj  : {p1,p2 : Str} = vp.comp ! np.a ;
+  PredVP np vps =
+    let vp = case vps.c2 of {
+                passive => complSlash (insertComp vps np) ;
+                _ => complSlash vps } ;
+        subj = case vps.c2 of {passive => impersNP ; _ => np} ;
+    in { s = \\t,a,p =>
+       let pred : {fin : Str ; inf : Str} = vf t a p subj.a vp ;
+           subjnoun : Str = if_then_Str np.isPron [] (subj.s ! Nom) ;
+           subjpron : Str = if_then_Str np.isPron (subj.s ! Nom) [] ;
+           obj  : {p1,p2 : Str} = vp.comp ! subj.a ;
            stm : Str =
-            case <p,vp.isPred,np.a> of {
-                 <Pos,True,Sg3 _> => "waa" ;
+            case <p,vp.isPred,subj.a> of {
+                 <Pos,True,Sg3 _|Impers> => "waa" ;
                 -- _                => stmarker ! np.a ! b } -- marker+pronoun contract
                  _ => case <np.isPron,p> of {
-                        <True,Pos> => "waa" ++ np.s ! Nom ; -- to force some string from NP to show in the tree
-                        <True,Neg> => "ma"  ++ np.s ! Nom ;
-                        <False>    => stmarkerNoContr ! np.a ! p }} ;
-      in subj         -- subject if it's a noun
+                        <True,Pos> => "waa" ++ subjpron ; -- to force some string from NP to show in the tree
+                        <True,Neg> => "ma"  ++ subjpron ;
+                        <False>    => stmarkerNoContr ! subj.a ! p }} ;
+      in subjnoun     -- subject if it's a noun
       ++ obj.p1       -- object if it's a noun
       ++ stm          -- sentence type marker + possible subj. pronoun
       ++ vp.adv   ---- TODO word order

src/somali/StructuralSom.gf

@@ -131,6 +131,7 @@ lin with_Prep = prep la ;
       a = Sg2 ; isPron = True ;
       poss = {s = "aa" ; v = vA ; sp = gnTable "aag" "aad" "uwaag"}
       } ;
+    it_Pron = he_Pron ** {s = \\_ => []} ;
     he_Pron = {
       s = table {Nom => "uu" ; Voc => "isaga" ; _Abs => []} ;
       a = Sg3 Masc ; isPron = True ;

src/somali/VerbSom.gf

@@ -7,10 +7,10 @@ lin
 -- VP
   -- : V -> VP
   UseV = ResSom.useV ;
-{-
-  --  : V2 -> VP ;               -- be loved
-  PassV2 v2 =
 
+  --  : V2 -> VP ; -- be loved
+  PassV2 = ResSom.passV2 ; 
+{-
   -- : VV  -> VP -> VP ;
   ComplVV vv vp =  ;
 
@@ -31,10 +31,9 @@ lin
   SlashV2a = useVc ;
 
   -- : V3 -> NP -> VPSlash ; -- give it (to her)
-  Slash2V3 v3 np = insertComp (useVc v3) np ;
-
   -- : V3 -> NP -> VPSlash ; -- give (it) to her
-  Slash3V3 v3 np = insertComp (useVc v3) np ;
+  Slash2V3,
+  Slash3V3 = \v3 -> insertComp (useVc v3) ;
 {-
   -- : V2V -> VP -> VPSlash ;  -- beg (her) to go
   SlashV2V v2v vp = ;