Fix for let rec, currently not implemented

bin/miniFunPolyInterpreter.ml

@@ -29,6 +29,14 @@ let () =
       ()
   in
 
+  let evalb = Clap.flag
+      ~description: "Optional flag for evaluating the generated risc code."
+      ~section: values
+      ~set_long: "eval"
+      ~set_short: 'e'
+      false
+  in
+
   let output = Clap.optional_string
       ~description: "Output file. If not specified output is printed on stdout."
       ~placeholder: "FILENAME"
@@ -63,26 +71,32 @@ let () =
         exit (-1)
     in
     let ty_program =
-      match TypeChecker.typecheck_polymorphic program with
+      match TypeChecker.typecheck_polymorphic_unbound program with
       | Ok ty -> ty
       | Error (`AbsentAssignment msg)
       | Error (`WrongTypeSpecification msg)
+      | Error (`RecusrionsNotImplemented msg)
       | Error (`WrongType msg) ->
         Printf.fprintf stderr "%s\n" msg;
         exit (-1)
     in
     let return_value =
-      match Semantics.reduce program inval with
-        Ok o -> o
-      | Error (`AbsentAssignment msg)
-      | Error (`DivisionByZero msg)
-      | Error (`WrongType msg) ->
-        Printf.fprintf stderr "%s\n" msg;
-        exit (-1)
+      if evalb then
+        match Semantics.reduce program inval with
+          Ok o -> Some o
+        | Error (`AbsentAssignment msg)
+        | Error (`DivisionByZero msg)
+        | Error (`WrongType msg) ->
+          Printf.fprintf stderr "%s\n" msg;
+          exit (-1)
+      else
+        None
     in
 
     Printf.fprintf outch "Type of the program: %s\n" (Types.pp_type_f ty_program);
-    Printf.fprintf outch "%d\n" return_value
+    match return_value with
+    | Some v -> Printf.fprintf outch "%d\n" v
+    | None -> ()
   in