Add Grammatical Framework

samples/Grammatical Framework/FoodsDut.gf

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+-- (c) 2009 Femke Johansson under LGPL
+
+concrete FoodsDut of Foods = {
+
+	lincat
+		Comment = {s : Str};
+		Quality = {s : AForm => Str};
+		Kind = { s : Number => Str};
+		Item = {s : Str ; n : Number};
+	
+	lin
+		Pred item quality = 
+			{s = item.s ++ copula ! item.n ++ quality.s ! APred};
+		This = det Sg "deze";
+		These = det Pl "deze";
+		That = det Sg "die";
+		Those = det Pl "die";
+		
+		Mod quality kind =
+			{s = \\n => quality.s ! AAttr ++ kind.s ! n};
+			Wine = regNoun "wijn";
+			Cheese = noun "kaas" "kazen";
+			Fish = noun "vis" "vissen";
+			Pizza = noun "pizza" "pizza's";
+			
+			Very a = {s = \\f => "erg" ++ a.s ! f};
+			
+			Fresh = regadj "vers";
+			Warm = regadj "warm";
+			Italian = regadj "Italiaans";
+			Expensive = adj "duur" "dure";
+			Delicious = regadj "lekker";
+			Boring = regadj "saai";
+		
+		param
+			Number = Sg | Pl;
+			AForm = APred | AAttr;
+		
+		oper
+			det : Number -> Str ->
+				{s : Number => Str} -> {s : Str ; n: Number} =
+				\n,det,noun -> {s = det ++ noun.s ! n ; n=n};
+				
+			noun : Str -> Str -> {s : Number => Str} = 
+				\man,men -> {s = table {Sg => man; Pl => men}};
+				
+			regNoun : Str -> {s : Number => Str} =
+				\wijn -> noun wijn (wijn + "en");
+				
+			regadj : Str -> {s : AForm => Str} =
+				\koud -> adj koud (koud+"e");
+			
+			adj : Str -> Str -> {s : AForm => Str} =
+				\duur, dure -> {s = table {APred => duur; AAttr => dure}};
+				
+			copula : Number => Str =
+				table {Sg => "is" ; Pl => "zijn"};
+}