lrec tutorial examples

1 files changed, 154 insertions, 0 deletions

diff --git a/examples/lrec-tutorial/ResIta.gf b/examples/lrec-tutorial/ResIta.gf
new file mode 100644
index 000000000..51066450d
--- /dev/null
+++ b/examples/lrec-tutorial/ResIta.gf
@@ -0,0 +1,154 @@
+resource ResIta = open Prelude in {
+
+-- parameters
+
+param
+  Number = Sg | Pl ;
+  Gender = Masc | Fem ;
+  Case = Nom | Acc | Dat ;
+  Agr = Ag Gender Number Person ;
+  Aux = Avere | Essere ;
+  Tense = Pres | Perf ;
+  Person = Per1 | Per2 | Per3 ;
+
+  VForm = VInf | VPres Number Person | VPart Gender Number ;
+
+-- parts of speech
+
+oper
+  VP = {v : Verb ; clit : Str ; obj : Str} ;
+  NP = {s : Case => {clit,obj : Str} ; a : Agr} ; 
+
+-- auxiliaries
+
+  prepCase : Case -> Str = \c -> case c of {
+    Dat => "a" ;
+    _ => []
+    } ;
+
+  adjDet : Adj -> Number -> {s : Gender => Case => Str ; n : Number} = \adj,n -> {
+    s = \\g,c => prepCase c ++ adj.s ! g ! n ;
+    n = n
+    } ;
+
+  pronNP : (s,a,d : Str) -> Gender -> Number -> Person -> NP = \s,a,d,g,n,p -> {
+    s = table {
+      Nom => {clit = [] ; obj = s} ;
+      Acc => {clit = a  ; obj = []} ;
+      Dat => {clit = d  ; obj = []}
+      } ;
+    a = Ag g n p
+    } ;
+
+-- predication
+
+  agrV : Verb -> Agr -> Str = \v,a -> case a of {
+    Ag _ n p => v.s ! VPres n p
+    } ;
+
+  auxVerb : Aux -> Verb = \a -> case a of {
+    Avere => mkVerb "avere" "ho" "hai" "ha" "abbiamo" "avete" "hanno" "avuto" Avere ;
+    Essere => mkVerb "essere" "sono" "sei" "è" "siamo" "siete" "sono" "stato" Essere
+    } ;
+
+  agrPart : Verb -> Agr -> Str = \v,a -> case v.aux of {
+    Avere  => v.s ! VPart Masc Sg ;
+    Essere => case a of {
+      Ag g n _ => v.s ! VPart g n
+      }
+    } ;
+
+  neg : Bool -> Str = \b -> case b of {True => [] ; False => "non"} ;
+
+--------------------------------------------------------
+-- morphology
+
+  Noun : Type = {s : Number => Str ; g : Gender} ;
+  Adj  : Type = {s : Gender => Number => Str ; isPre : Bool} ;
+  Verb : Type = {s : VForm => Str ; aux : Aux} ;
+
+  mkNoun : Str -> Str -> Gender -> Noun = \vino,vini,g -> {
+    s = table {Sg => vino ; Pl => vini} ;
+    g = g
+    } ;
+
+  regNoun : Str -> Noun = \vino -> case vino of {
+    fuo + c@("c"|"g") + "o" => mkNoun vino (fuo + c + "hi") Masc ;
+    ol  + "io" => mkNoun vino (ol + "i") Masc ;
+    vin + "o" => mkNoun vino (vin + "i") Masc ;
+    cas + "a" => mkNoun vino (cas + "e") Fem ;
+    pan + "e" => mkNoun vino (pan + "i") Masc ;
+    _ => mkNoun vino vino Masc 
+    } ;
+
+  mkN = overload {
+    mkN : (vino : Str) -> Noun = regNoun ;
+    mkN : (uomo, uomini : Str) -> Gender -> Noun = mkNoun ;
+    } ;
+
+  mkAdj : (_,_,_,_ : Str) -> Bool -> Adj = \buono,buona,buoni,buone,p -> {
+    s = table {
+          Masc => table {Sg => buono ; Pl => buoni} ;
+          Fem  => table {Sg => buona ; Pl => buone}
+        } ;
+    isPre = p
+    } ;
+
+  regAdj : Str -> Adj = \nero -> case nero of {
+    ner + "o"  => mkAdj nero (ner + "a") (ner + "i") (ner + "e") False ;
+    verd + "e" => mkAdj nero nero (verd + "i") (verd + "i") False ;
+    _ => mkAdj nero nero nero nero False
+    } ;
+
+  mkA = overload {
+    mkA : (nero : Str) -> Adj = regAdj ;
+    mkN : (buono,buona,buoni,buone : Str) -> Bool -> Adj = mkAdj ;
+    } ;
+
+  preA : Adj -> Adj = \a -> {s = a.s ; isPre = True} ;
+  
+  mkVerb : (_,_,_,_,_,_,_,_ : Str) -> Aux -> Verb = 
+    \amare,amo,ami,ama,amiamo,amate,amano,amato,aux -> {
+    s = table {
+          VInf          => amare ;
+          VPres Sg Per1 => amo ;
+          VPres Sg Per2 => ami ;
+          VPres Sg Per3 => ama ;
+          VPres Pl Per1 => amiamo ;
+          VPres Pl Per2 => amate ;
+          VPres Pl Per3 => amano ;
+          VPart g n     => (regAdj amato).s ! g ! n
+          } ;
+    aux = aux
+    } ;
+
+  regVerb : Str -> Verb = \amare -> case amare of {
+    am  + "are" => mkVerb amare (am+"o") (am+"i") (am+"a") 
+                          (am+"iamo") (am+"ate") (am+"ano") (am+"ato") Avere ;
+    tem + "ere" => mkVerb amare (tem+"o") (tem+"i") (tem+"e") 
+                          (tem+"iamo") (tem+"ete") (tem+"ono") (tem+"uto") Avere ;
+    fin + "ire" => mkVerb amare (fin+"isco") (fin+"isci") (fin+"isce") 
+                          (fin+"iamo") (fin+"ite") (fin+"iscono") (fin+"ito") Avere
+    } ; 
+
+  mkV = overload {
+    mkV : (finire : Str) -> Verb = regVerb ;
+    mkV : (andare,vado,vadi,va,andiamo,andate,vanno,andato : Str) -> 
+             Aux -> Verb = mkVerb ;
+    } ;
+
+  essereV : Verb -> Verb = \v -> {s = v.s ; aux = Essere} ;
+  
+  Verb2 = Verb ** {c : Case} ;
+
+  mkV2 = overload {
+    mkV2 : (amare : Str) -> Verb2 = \v -> regVerb v ** {c = Acc} ; 
+    mkV2 : (amare : Verb) -> Case -> Verb2 = \v,p -> v ** {c = p} ;
+    } ;
+
+-- phonological auxiliaries
+
+    vowel    : Strs = strs {"a" ; "e" ; "i" ; "o" ; "u" ; "h"} ;
+    s_impuro : Strs = strs {"z" ; "sb" ; "sc" ; "sd" ; "sf" ; "sp"} ; --- ...
+
+}