Add Grammatical Framework

samples/Grammatical Framework/FoodsPes.gf

@@ -0,0 +1,65 @@
+concrete FoodsPes of Foods = {
+
+      flags optimize=noexpand ; coding=utf8 ;
+	  
+      lincat
+        Comment = {s : Str} ;
+		Quality = {s : Add => Str; prep : Str} ;
+        Kind = {s : Add => Number => Str ; prep : Str};
+        Item = {s : Str ; n : Number};
+      lin
+        Pred item quality = {s = item.s ++ quality.s ! Indep ++ copula ! item.n} ;
+        This = det Sg "این" ;
+        That = det Sg "آن" ;
+        These = det Pl "این" ;
+        Those = det Pl "آن" ;
+        
+        Mod quality kind = {s = \\a,n =>  kind.s ! Attr ! n ++ kind.prep ++ quality.s ! a ;                                  
+                            prep = quality.prep             
+                            };
+        Wine = regN "شراب" ; 
+        Cheese = regN "پنیر" ;
+        Fish = regN "ماهى" ;
+        Pizza = regN "پیتزا" ;
+        Very a = {s = \\at => "خیلی" ++ a.s ! at ; prep = a.prep} ;
+        Fresh = adj "تازه" ;
+        Warm = adj "گرم" ;
+        Italian = adj "ایتالیایی" ;
+        Expensive = adj "گران" ;
+        Delicious = adj "لذىذ" ;
+        Boring = adj "ملال آور" ;  -- it must be written as ملال آور. 
+     
+     param
+        Number = Sg | Pl ;
+		Add = Indep | Attr ;
+     oper
+        det : Number -> Str -> {s: Add => Number => Str ; prep : Str} -> {s : Str ; n: Number} =
+           \n,det,noun -> {s = det ++ noun.s ! Indep ! n ; n = n };
+           
+        noun : (x1,_,_,x4 : Str) -> {s : Add => Number => Str ; prep : Str} = \pytzA, pytzAy, pytzAhA,pr -> 
+         {s = \\a,n => case <a,n> of
+		        {<Indep,Sg> => pytzA ; <Indep,Pl> => pytzAhA ;
+  				 <Attr,Sg>  =>pytzA ; <Attr,Pl>  => pytzAhA + "ى" };
+		 prep = pr
+		 };		 
+         
+        regN : Str -> {s: Add => Number => Str ; prep : Str} = \mrd -> 
+		case mrd of 
+		{ _ + ("ا"|"ه"|"ى"|"و"|"") => noun mrd (mrd+"ى") (mrd + "ها") "";
+		  _                        => noun mrd mrd (mrd + "ها") "e"
+		};
+        
+        adj : Str -> {s : Add => Str; prep : Str} = \tAzh -> 
+		case tAzh of 
+		{ _ + ("ا"|"ه"|"ى"|"و"|"") => mkAdj tAzh (tAzh ++ "ى") "" ;
+		  _                        => mkAdj tAzh tAzh "ه"
+        };
+		
+		mkAdj : Str -> Str -> Str -> {s : Add => Str; prep : Str} = \tAzh, tAzhy, pr  ->
+		{s = table {Indep => tAzh;
+		            Attr => tAzhy};
+		 prep = pr 			
+		};
+        copula : Number => Str = table {Sg => "است"; Pl => "هستند"};
+      
+}