diff options
Diffstat (limited to 'src/lem_interp/interp_inter_imp.lem')
| -rw-r--r-- | src/lem_interp/interp_inter_imp.lem | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/src/lem_interp/interp_inter_imp.lem b/src/lem_interp/interp_inter_imp.lem index ccf21c4e..ba6e5107 100644 --- a/src/lem_interp/interp_inter_imp.lem +++ b/src/lem_interp/interp_inter_imp.lem @@ -290,7 +290,7 @@ let initial_instruction_state top_level main args = top_level Interp.eenv Interp.emem Interp.Top -let rec interp_to_value_helper arg instr direction thunk = +let rec interp_to_value_helper arg err_str instr direction thunk = match thunk() with | Interp.Value value -> (Just value,Nothing) | Interp.Error l msg -> (Nothing, Just (Internal_error msg)) @@ -298,20 +298,37 @@ let rec interp_to_value_helper arg instr direction thunk = match List.lookup i (Interp_lib.library_functions direction) with | Nothing -> (Nothing, Just (Internal_error ("External function not available " ^ i))) | Just f -> - interp_to_value_helper arg instr direction (fun _ -> Interp.resume (make_interp_mode true false) stack (Just (f value))) + interp_to_value_helper arg err_str instr direction + (fun _ -> Interp.resume (make_interp_mode true false) stack (Just (f value))) end - | Interp.Action (Interp.Exit (E_aux e _)) stack -> + | Interp.Action (Interp.Exit ((E_aux e _) as exp)) stack -> match e with | E_id (Id_aux (Id "unsupported_instruction") _) -> (Nothing,Just (Unsupported_instruction_error instr)) | E_id (Id_aux (Id "no_matching_pattern") _) -> (Nothing,Just (Not_an_instruction_error arg)) | E_lit (L_aux (L_string str) _) -> (Nothing, Just (Internal_error ("Exit called with message: " ^ str))) - | E_id _ -> (match (Interp.resume (make_interp_mode true false) stack Nothing) with + | E_id (Id_aux (Id i) _) -> + (match (Interp.resume (make_interp_mode true false) (Interp.set_in_context stack exp) Nothing) with | Interp.Value (Interp.V_lit (L_aux (L_string str) _)) -> - (Nothing, Just (Internal_error ("Exit called with message: " ^ str))) - | _ -> (Nothing, Just (Internal_error "Exit called with unrecognized expression bound to an id")) end) + (Nothing, Just (Internal_error ("Exit called when decoding "^err_str ^" with message: " ^ str))) + | _ -> (Nothing, Just (Internal_error ("Exit called with unrecognized expression bound to an id " ^ i))) end) | _ -> (Nothing, Just (Internal_error "Exit called with unrecognized expression")) end - | _ -> (Nothing, Just (Internal_error "Memory or register requested in decode")) + | Interp.Action (Interp.Read_reg r _) _ -> + let rname = match r with + | Interp.Reg (Id_aux (Id i) _) _ _ -> i + | Interp.SubReg (Id_aux (Id i) _) (Interp.Reg (Id_aux (Id i2) _) _ _) _ -> i2 ^ "." ^ i end in + (Nothing, Just (Internal_error ("Register read of "^ rname^" request in a decode of " ^ err_str))) + | Interp.Action (Interp.Write_reg _ _ _) _ -> + (Nothing, Just (Internal_error "Register write request in a decode")) + | Interp.Action (Interp.Read_mem _ _ _) _ -> + (Nothing, Just (Internal_error "Read memory request in a decode")) + | Interp.Action (Interp.Write_mem _ _ _ _) _ -> + (Nothing, Just (Internal_error "Write memory request in a decode")) + | Interp.Action (Interp.Write_ea _ _) _ -> + (Nothing, Just (Internal_error "Write ea request in a decode")) + | Interp.Action (Interp.Write_memv _ _) _ -> + (Nothing, Just (Internal_error "Write memory value request in a decode")) + | _ -> (Nothing, Just (Internal_error "Non expected action in a decode")) end let call_external_functions direction outcome = @@ -349,9 +366,11 @@ end let decode_to_istate top_level value = let mode = make_interp_mode true false in let (Context ((Interp.Env _ instructions _ _ _ _ _ _) as top_env) direction _ _ _ _ _ _) = top_level in - let (arg,_) = Interp.to_exp mode Interp.eenv (intern_opcode direction value) in + let intern_val = intern_opcode direction value in + let val_str = Interp.string_of_value intern_val in + let (arg,_) = Interp.to_exp mode Interp.eenv intern_val in let internal_direction = if direction = D_increasing then Interp.IInc else Interp.IDec in - let (instr_decoded,error) = interp_to_value_helper value ("",[],[]) internal_direction + let (instr_decoded,error) = interp_to_value_helper value val_str ("",[],[]) internal_direction (fun _ -> Interp.resume mode (Interp.Thunk_frame @@ -375,7 +394,7 @@ let decode_to_istate top_level value = (p_name,t,(extern_ifield_value name p_name value t))) vals parms), effects) end end end in let (arg,_) = Interp.to_exp mode Interp.eenv instr in - let (instr_decoded,error) = interp_to_value_helper value instr_external internal_direction + let (instr_decoded,error) = interp_to_value_helper value val_str instr_external internal_direction (fun _ -> Interp.resume mode (Interp.Thunk_frame |