new tutorial almost finished

doc/tutorial/smarthouse/Smart.gf

@@ -0,0 +1,17 @@
+abstract Smart = {
+
+flags startcat = Command ;
+
+cat 
+  Command ; 
+  Kind ; 
+  Action Kind ; 
+  Device Kind ; 
+fun
+  CAction : (k : Kind) -> Action k -> Device k -> Command ;
+  DKindOne  : (k : Kind) -> Device k ;
+  light, fan : Kind ;
+  switchOn, switchOff : (k : Kind) -> Action k ;
+  dim : Action light ;
+}
+

doc/tutorial/smarthouse/SmartEng.gf

@@ -0,0 +1,19 @@
+--# -path=.:prelude
+
+concrete SmartEng of Smart = open Prelude in {
+
+-- part of grammar Toy1 from the Regulus book
+
+lincat 
+  Command, Kind, Action, Device = SS ;
+lin
+  CAction _ act dev = ss (act.s ++ dev.s) ;
+  DKindOne  k = ss ("the" ++ k.s) ;
+ 
+  light = ss "light" ;
+  fan = ss "fan" ;
+  switchOn _ = ss ["switch on"] ;
+  switchOff _ = ss ["switch off"] ;
+  dim = ss "dim" ;
+}
+