lrec tutorial examples

examples/lrec-tutorial/GrammarIta0.gf

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+concrete GrammarIta of Grammar = open ResIta, Prelude in {
+  lincat  
+    Cl = {s : Tense => Str} ; 
+    NP = {s : Case => Str ; a : Agr} ; 
+    VP = {s : VForm => Str ; aux : Aux} ;
+    AP = {s : Gender => Number => Str} ;
+    CN = {s : Number => Str ; g : Gender} ;
+    Det = {s : Gender => Case => Str ; n : Number} ;
+    N = {s : Number => Str ; g : Gender} ;
+    A = {s : Gender => Number => Str} ;
+    V = {s : VForm => Str ; aux : Aux} ;
+    V2 = Verb ** {c : Preposition} ;
+
+  lin
+    PredVP np vp = 
+      let 
+        subj = np.s ! Nom ;
+        obj  = vp.obj ;
+        clit = vp.clit ;
+        verb = table {
+          Pres => agrV vp ;
+          Perf => agrV (auxVerb vp.aux) np.a ++ agrPart vp np.a 
+          }
+      in {
+        s = \\t => subj ++ clit ++ verb ! t ++ obj
+      } ;
+
+    ComplV2 v2 np = 
+      let
+        nps = np.s ! v2.c.c
+      in {
+        v = {s = v2.s ; aux = v2.aux} ; 
+        clit = nps.clit ; 
+        obj = v2.c.p ++ nps.obj
+        } ;
+
+    UseV v = {
+      v = v ; 
+      clit = [] ; 
+      obj = []
+      } ;
+
+    DetCN det cn = {
+      s = \\c => {obj = det.s ! cn.g ! c ++ cn.s ! det.n ; clit = []} ;
+      a = Ag cn.g det.n Per3
+      } ;
+
+    ModCN cn ap = {
+      s = \\n => preOrPost ap.isPre (ap.s ! cn.g ! n) (cn.s ! n) ;
+      g = cn.g
+      } ;
+
+    UseN n = n ;
+
+    UseA adj = adj ;
+
+    a_Det = adjDet (mkA "un" "una" [] [] True) Sg ;
+
+    the_Det = {
+      s = table {
+        Masc => table {
+          Nom | Acc => pre {"il" ; "lo" / s_impuro ; "l'" / vowel} ;
+          Dat => pre {"al" ; "allo" / s_impuro ; "all'" / vowel}
+          } ;
+        Fem => table {
+          Nom | Acc => pre {"la" ; "l'" / vowel} ;
+          Dat => pre {"alla" ; "all'" / vowel}
+          }
+        } ;
+      n = Sg
+      } ;
+        
+    this_Det = adjDet (mkA "questo") Sg ;
+    these_Det = adjDet (mkA "questo") Pl ;
+
+    i_NP =   pronNP "io"  "mi" "mi" Masc Sg Per1 ;
+    she_NP = pronNP "lei" "la" "le" Fem  Sg Per3 ;
+    we_NP =  pronNP "noi" "ci" "ci" Masc Pl Per1 ;
+
+}