1 files changed, 25 insertions, 1 deletions
diff --git a/main.ml b/main.ml
index 4f70229..01cccbe 100644
--- a/main.ml
+++ b/main.ml
@@ -20,6 +20,30 @@ let () =
 
     let prog = File_parser.parse_file !ifile in
     if !dump then Ast_printer.print_prog Format.std_formatter prog;
-    ()  (* nothing to do yet ... *)
+    try
+      let s0 = Interpret.program_init_state prog "test" in
+      Format.printf "Init state:@.";
+      Data.print_state s0;
+      let rec it i st =
+        let st, outputs, next_st =
+          Interpret.program_step prog st
+          ["i", Data.VInt i] "test"
+        in
+        Format.printf "@.> Step %d:@." i;
+        Data.print_state st;
+        match List.assoc "exit" outputs with
+        | Data.VBool false -> it (i+1) next_st
+        | _ -> ()
+      in
+      it 0 s0
+    with
+    | Data.Combinatorial_cycle v ->
+      Format.eprintf "Combinatorial cycle (%s)@." v
+    | Data.Type_error e ->
+      Format.eprintf "Typing error: %s@." e
+    | Data.Not_implemented l ->
+      Format.eprintf "Not implemented: %s@." l
+    | Data.No_variable id ->
+      Format.eprintf "No such variable: %s@." id