Add Grammatical Framework

samples/Grammatical Framework/FoodsJpn.gf

@@ -0,0 +1,72 @@
+--# -path=.:../lib/src/prelude
+
+-- (c) 2009 Zofia Stankiewicz under LGPL
+
+concrete FoodsJpn of Foods = open Prelude in {
+
+flags coding=utf8 ;
+
+  lincat
+    Comment = {s: Style => Str};
+    Quality = {s: AdjUse => Str ; t: AdjType} ;
+    Kind = {s : Number => Str} ; 
+    Item = {s : Str ; n : Number} ; 
+
+  lin
+    Pred item quality = {s = case quality.t of {
+      IAdj => table {Plain => item.s ++ quality.s ! APred ; Polite => item.s ++ quality.s ! APred ++ copula ! Polite ! item.n } ;
+      NaAdj => \\p => item.s ++ quality.s ! APred ++ copula ! p ! item.n } 
+      } ;
+    This  = det Sg "この" ;
+    That  = det Sg "その" ;
+    These = det Pl "この" ;
+    Those = det Pl "その" ;
+    Mod quality kind = {s = \\n => quality.s ! Attr ++ kind.s ! n} ;
+    Wine = regNoun "ワインは" ;
+    Cheese = regNoun "チーズは" ;
+    Fish = regNoun "魚は" ;
+    Pizza = regNoun "ピザは" ;
+    Very quality =  {s = \\a => "とても" ++ quality.s ! a ; t = quality.t } ;
+    Fresh = adj "新鮮な" "新鮮";
+    Warm = regAdj "あたたかい" ;
+    Italian = adj "イタリアの" "イタリアのもの";
+    Expensive = regAdj "たかい" ;
+    Delicious = regAdj "おいしい" ;
+    Boring = regAdj "つまらない" ;
+
+  param
+    Number = Sg | Pl ;
+    AdjUse = Attr | APred ;        -- na-adjectives have different forms as noun attributes and predicates
+    Style = Plain | Polite ;      -- for phrase types
+    AdjType = IAdj | NaAdj ;      -- IAdj can form predicates without the copula, NaAdj cannot
+
+  oper
+    det : Number -> Str -> {s : Number => Str} -> {s : Str ; n : Number} = 
+      \n,d,cn -> {
+        s = d ++ cn.s ! n ;
+        n = n
+      } ;
+   noun : Str -> Str -> {s : Number => Str} = 
+      \sakana,sakana -> {s = \\_ => sakana } ;
+
+   regNoun : Str -> {s : Number => Str} = 
+      \sakana -> noun sakana sakana ;
+
+   adj : Str -> Str -> {s : AdjUse => Str ; t : AdjType} =
+      \chosenna, chosen -> {
+       s = table { 
+         Attr => chosenna ;
+         APred => chosen
+       } ;
+       t = NaAdj 
+      } ;
+   
+   regAdj : Str -> {s: AdjUse => Str ; t : AdjType} =\akai -> {
+     s = \\_ => akai ; t = IAdj} ;
+
+    copula : Style => Number => Str = 
+      table { 
+        Plain => \\_ => "だ" ;
+        Polite => \\_ => "です" } ;
+
+}