5 files changed, 0 insertions, 128 deletions
diff --git a/examples/tutorial/calculator/Calculator.gf b/examples/tutorial/calculator/Calculator.gf
deleted file mode 100644
index 65192e226..000000000
--- a/examples/tutorial/calculator/Calculator.gf
+++ /dev/null
@@ -1,25 +0,0 @@
-abstract Calculator = {
-
-  flags startcat = Prog ;
-
-  cat Prog ; Exp ; Var ;
-
-  fun
-    PEmpty : Prog ;
-    PInit  : Exp -> (Var -> Prog) -> Prog ;
-    PAss   : Var -> Exp  -> Prog  -> Prog ;
-
-    EPlus, EMinus, ETimes, EDiv : Exp -> Exp -> Exp ;
-
-    EInt : Int -> Exp ;
-    EVar : Var -> Exp ;
-
-    ex1 : Prog ;
-
-  def
-    ex1 = 
-      PInit (EPlus (EInt 2) (EInt 3)) (\x -> 
-        PInit (EPlus (EVar x) (EInt 1)) (\y -> 
-          PAss x (EPlus (EVar x) (ETimes (EInt 9) (EVar y))) PEmpty)) ;
-
-}
diff --git a/examples/tutorial/calculator/CalculatorC.gf b/examples/tutorial/calculator/CalculatorC.gf
deleted file mode 100644
index 53eade357..000000000
--- a/examples/tutorial/calculator/CalculatorC.gf
+++ /dev/null
@@ -1,24 +0,0 @@
---# -path=.:prelude
-
-concrete CalculatorC of Calculator = open Prelude, Formal in {
-
-  flags lexer=codevars ; unlexer=code ;
-
-  lincat 
-    Prog, Var = SS ; 
-    Exp = TermPrec ;
-
-  lin
-    PEmpty = ss [] ;
-    PInit exp prog = ss ("int" ++ prog.$0 ++ "=" ++ top exp ++ ";" ++ prog.s) ;
-    PAss vr exp prog = ss (vr.s ++ "=" ++ top exp ++ ";" ++ prog.s) ;
-
-    EPlus  = infixl 0 "+" ;
-    EMinus = infixl 0 "-" ;
-    ETimes = infixl 1 "*" ;
-    EDiv   = infixl 1 "/" ;
-
-    EInt i = constant i.s ;
-    EVar x = constant x.s ;
-
-}
diff --git a/examples/tutorial/calculator/CalculatorE.gf b/examples/tutorial/calculator/CalculatorE.gf
deleted file mode 100644
index f432d371a..000000000
--- a/examples/tutorial/calculator/CalculatorE.gf
+++ /dev/null
@@ -1,27 +0,0 @@
---# -path=.:prelude
-
-concrete CalculatorE of Calculator = open Prelude in {
-
-  flags lexer=codevar ; unlexer=unwords ;
-
-  lincat 
-    Prog, Exp, Var = SS ;
-
-  lin
-    PEmpty = ss [] ;
-    PInit exp prog = ss ("initialize" ++ prog.$0 ++ "as" ++ exp.s ++ PAUSE ++ prog.s) ;
-    PAss vr exp prog = ss ("redefine" ++ vr.s ++ "as" ++ exp.s ++ PAUSE ++ prog.s) ;
-
-    EPlus  = infix "plus" ;
-    EMinus = infix "minus" ;
-    ETimes = infix "times" ;
-    EDiv   = infix ["divided by"] ;
-
-    EInt i = i ;
-    EVar x = x ;
-
-  oper
-    infix : Str -> SS -> SS -> SS = \op,x,y -> 
-      ss (x.s ++ op ++ y.s ++ PAUSE) ;
-    PAUSE = "PAUSE" ;
-}
diff --git a/examples/tutorial/calculator/CalculatorJ.gf b/examples/tutorial/calculator/CalculatorJ.gf
deleted file mode 100644
index 68ff5342c..000000000
--- a/examples/tutorial/calculator/CalculatorJ.gf
+++ /dev/null
@@ -1,25 +0,0 @@
---# -path=.:prelude
-
-concrete CalculatorJ of Calculator = open Prelude in {
-
-  flags lexer=codevars ; unlexer=code ;
-
-  lincat 
-    Prog, Exp, Var = SS ;
-
-  lin
-    PEmpty = ss [] ;
-    PInit exp prog = ss (exp.s ++ ";" ++ "istore" ++ prog.$0 ++ ";" ++ prog.s) ;
-    PAss vr exp prog = ss (exp.s ++ ";" ++ "istore" ++ vr.s ++ ";" ++ prog.s) ;
-
-    EPlus  = postfix "iadd" ;
-    EMinus = postfix "isub" ;
-    ETimes = postfix "imul" ;
-    EDiv   = postfix "idiv" ;
-
-    EInt = prefixSS "iconst" ;
-    EVar = prefixSS "iload" ;
-
-  oper
-    postfix : Str -> SS -> SS -> SS = \op,x,y -> ss (x.s ++ ";" ++ y.s ++ ";" ++ op) ;
-}
diff --git a/examples/tutorial/calculator/CalculatorP.gf b/examples/tutorial/calculator/CalculatorP.gf
deleted file mode 100644
index 57ac549c1..000000000
--- a/examples/tutorial/calculator/CalculatorP.gf
+++ /dev/null
@@ -1,27 +0,0 @@
---# -path=.:prelude
-
-concrete CalculatorP of Calculator = open Prelude in {
-
-  flags lexer=codevars ; unlexer=code ;
-
-  lincat 
-    Prog, Var = SS ; 
-    Exp = SS ;
-
-  lin
-    PEmpty = ss [] ;
-    PDecl exp prog = ss ("int" ++ prog.$0 ++ "=" ++ exp.s ++ ";" ++ prog.s) ;
-    PAss vr exp prog = ss (vr.s ++ "=" ++ exp.s ++ ";" ++ prog.s) ;
-
-    EPlus  = infix "+" ;
-    EMinus = infix "-" ;
-    ETimes = infix "*" ;
-    EDiv   = infix "/" ;
-
-    EInt i = i ;
-    EVar x = x ;
-
-  oper
-    infix : Str -> SS -> SS -> SS = \f,x,y -> 
-      ss ("(" ++ x.s ++ f ++ y.s ++ ")") ;
-}