heptagon/heptagon/printer.ml
2010-06-17 17:25:00 +02:00

363 lines
11 KiB
OCaml

(**************************************************************************)
(* *)
(* Heptagon *)
(* *)
(* Author : Marc Pouzet *)
(* Organization : Demons, LRI, University of Paris-Sud, Orsay *)
(* *)
(**************************************************************************)
(* the printer *)
(* $Id$ *)
open Location
open Misc
open Names
open Ident
open Heptagon
open Modules
open Static
open Format
open Pp_tools
open Types
open Signature
let iterator_to_string i =
match i with
| Imap -> "map"
| Ifold -> "fold"
| Imapfold -> "mapfold"
let print_iterator ff it =
fprintf ff "%s" (iterator_to_string it)
let rec print_pat ff = function
| Evarpat(n) -> print_ident ff n
| Etuplepat(pat_list) ->
print_list_r print_pat "(" "," ")" ff pat_list
and print_c ff = function
| Cint i -> fprintf ff "%d" i
| Cfloat f -> fprintf ff "%f" f
| Cconstr(tag) -> print_longname ff tag
| Carray (n, c) ->
print_c ff c;
fprintf ff "^";
print_size_exp ff n
and print_vd ff { v_name = n; v_type = ty; v_last = last } =
fprintf ff "@[<v>";
begin match last with Last _ -> fprintf ff "last " | _ -> () end;
print_ident ff n;
fprintf ff ": ";
print_type ff ty;
begin
match last with Last(Some(v)) -> fprintf ff "= ";print_c ff v
| _ -> ()
end;
fprintf ff "@]"
and print_exps ff e_list =
print_list_r print_exp "(" "," ")" ff e_list
and print_exp ff e =
if !Misc.full_type_info then fprintf ff "(";
begin match e.e_desc with
| Evar x -> print_ident ff x
| Econstvar x -> print_name ff x
| Elast x -> fprintf ff "last "; print_ident ff x
| Econst c -> print_c ff c
| Eapp({ a_op = op }, e_list) -> print_op ff op e_list
| Etuple(e_list) -> print_exps ff e_list
| Efield(e, field) ->
print_exp ff e; fprintf ff ".";
print_longname ff field
| Estruct(f_e_list) ->
print_list_r
(fun ff (field, e) -> print_longname ff field;fprintf ff " = ";
print_exp ff e)
"{" ";" "}" ff f_e_list;
fprintf ff "}@]"
| Earray e_list ->
print_list_r print_exp "[" "," "]" ff e_list
end;
if !Misc.full_type_info then fprintf ff " : %a)" print_type e.e_ty
and print_call_params ff = function
| [] -> ()
| l -> print_list_r print_size_exp "<<" "," ">>" ff l
and print_op ff op e_list =
match op, e_list with
| Epre(None), [e] -> fprintf ff "pre "; print_exp ff e
| Epre(Some(c)), [e] -> print_c ff c; fprintf ff " fby "; print_exp ff e
| Efby, [e1;e2] -> print_exp ff e1; fprintf ff " fby "; print_exp ff e2
| Earrow, [e1;e2] -> print_exp ff e1; fprintf ff " -> "; print_exp ff e2
| Eifthenelse,[e1;e2;e3] ->
fprintf ff "@["; fprintf ff "if "; print_exp ff e1;
fprintf ff "@ then@ "; print_exp ff e2;
fprintf ff "@ else@ "; print_exp ff e3;
fprintf ff "@]"
| Ecall({ op_name = f; op_params = params }, reset), e_list ->
print_longname ff f;
print_call_params ff params;
print_exps ff e_list;
(match reset with
| None -> ()
| Some r -> fprintf ff " every %a" print_exp r
)
| Efield_update f, [e1;e2] ->
fprintf ff "(@[";
print_exp ff e1;
fprintf ff " with .";
print_longname ff f;
fprintf ff " = ";
print_exp ff e2;
fprintf ff ")@]"
| Earray_op op, e_list ->
print_array_op ff op e_list
and print_array_op ff op e_list =
match op, e_list with
| Erepeat, [e1; e2] ->
print_exp ff e1;
fprintf ff "^";
print_exp ff e2
| Eselect idx_list, [e] ->
print_exp ff e;
print_list_r print_size_exp "[" "][" "]" ff idx_list
| Eselect_dyn, e::defe::idx_list ->
fprintf ff "@[(";
print_exp ff e;
print_list_r print_exp "[" "][" "] default " ff idx_list;
print_exp ff defe;
fprintf ff ")@]"
| Eupdate idx_list, [e1;e2] ->
fprintf ff "(@[";
print_exp ff e1;
fprintf ff " with ";
print_list_r print_size_exp "[" "][" "]" ff idx_list;
fprintf ff " = ";
print_exp ff e2;
fprintf ff ")@]"
| Eselect_slice, [e; idx1; idx2] ->
print_exp ff e;
fprintf ff "[";
print_exp ff idx1;
fprintf ff "..";
print_exp ff idx2;
fprintf ff "]"
| Eiterator (it, { op_name = op; op_params = params } , reset), e::e_list ->
fprintf ff "(";
print_iterator ff it;
fprintf ff " ";
(match params with
| [] -> print_longname ff op
| l ->
fprintf ff "(";
print_longname ff op;
print_call_params ff params;
fprintf ff ")"
);
fprintf ff " <<";
print_exp ff e;
fprintf ff ">>) ";
print_exps ff e_list;
(match reset with
| None -> ()
| Some r -> fprintf ff " every %a" print_exp r
)
| Econcat, [e1;e2] ->
fprintf ff "@[";
print_exp ff e1;
fprintf ff " @@ ";
print_exp ff e2;
fprintf ff "@]"
let rec print_eq ff eq =
match eq.eq_desc with
| Eeq(p, e) ->
fprintf ff "@[<hov 2>";
print_pat ff p;
fprintf ff " =@ ";
print_exp ff e;
fprintf ff "@]"
| Eautomaton(state_handler_list) ->
fprintf ff "@[<v>automaton@,";
fprintf ff "@[<v>";
print_list print_state_handler "" "" "" ff state_handler_list;
fprintf ff "@]@,";
fprintf ff "end@]"
| Eswitch(e, switch_handler_list) ->
fprintf ff "@[<v>switch ";
print_exp ff e;
fprintf ff "@,@[<v>";
print_list print_switch_handler "" "" "" ff switch_handler_list;
fprintf ff "@]@,";
fprintf ff "end@]"
| Epresent(present_handler_list, b) ->
fprintf ff "@[<v>present@,";
print_list print_present_handler "" "" "" ff present_handler_list;
if b.b_equs <> [] then begin
fprintf ff " @[<v 2>default@,";
print_block ff b;
fprintf ff "@]"
end;
fprintf ff "@,end@]"
| Ereset(eq_list, e) ->
fprintf ff "@[<v>reset@,";
fprintf ff " @[<v>";
print_eq_list ff eq_list;
fprintf ff "@]";
fprintf ff "@,every ";
print_exp ff e;
fprintf ff "@]"
and print_eq_list ff = function
| [] -> ()
| [eq] -> print_eq ff eq;fprintf ff ";"
| eq :: l -> print_eq ff eq;fprintf ff ";@,";print_eq_list ff l
and print_state_handler ff
{ s_state = s; s_block = b; s_until = until; s_unless = unless } =
fprintf ff " @[<v 2>state ";
fprintf ff "%s@," s;
print_block ff b;
if until <> [] then
begin
fprintf ff "@,@[<v 2>until ";
print_list print_escape "" "" "" ff until;
fprintf ff "@]"
end;
if unless <> [] then
begin
fprintf ff "@,@[<v 2>unless ";
print_list_r print_escape "" " " "" ff unless;
fprintf ff "@]"
end;
fprintf ff "@]"
and print_switch_handler ff { w_name = tag; w_block = b } =
fprintf ff " @[<v 2>| ";
print_longname ff tag;
fprintf ff "@,";
print_block ff b;
fprintf ff "@]"
and print_present_handler ff { p_cond = e; p_block = b } =
fprintf ff " @[<v 2>| ";
print_exp ff e;
fprintf ff "@,";
print_block ff b;
fprintf ff "@]"
and print_escape ff { e_cond = e; e_reset = r; e_next_state = ns} =
fprintf ff "@,| ";
print_exp ff e;
if r then fprintf ff " then " else fprintf ff " continue ";
print_name ff ns
and print_block ff { b_local = v_list; b_equs = eqs; b_defnames = defnames } =
if v_list <> [] then
begin
fprintf ff "@[<v 2>var ";
print_list_r print_vd "" ";" "" ff v_list;
fprintf ff "@]@,"
end;
(* (\* DEBUG *\) *)
(* fprintf ff "@[<hov 2>defines @,"; *)
(* Env.iter (fun n t -> fprintf ff "%s," n) defnames; *)
(* fprintf ff "@]@\n"; *)
(* (\* END DEBUG *\) *)
fprintf ff "@[<v 2>do@,";
print_eq_list ff eqs;
fprintf ff "@]"
let print_type_def ff { t_name = name; t_desc = tdesc } =
match tdesc with
| Type_abs -> fprintf ff "@[type %s@\n@]" name
| Type_enum(tag_name_list) ->
fprintf ff "@[type %s = " name;
print_list_r print_name "" "| " "" ff tag_name_list;
fprintf ff "@\n@]"
| Type_struct(f_ty_list) ->
fprintf ff "@[type %s = " name;
print_list_r
(fun ff { f_name = field; f_type = ty } ->
print_name ff field;
fprintf ff ": ";
print_type ff ty) "{" ";" "}" ff f_ty_list;
fprintf ff "@.@]"
let print_const_dec ff c =
fprintf ff "@[const ";
print_name ff c.c_name;
fprintf ff " : ";
print_type ff c.c_type;
fprintf ff " = ";
print_size_exp ff c.c_value;
fprintf ff "@.@]"
let print_contract ff {c_local = l;
c_eq = eqs;
c_assume = e_a;
c_enforce = e_g;
c_controllables = cl } =
if l <> [] then begin
fprintf ff "@[<v 2>contract@\n";
fprintf ff "@[<hov 4>var ";
print_list_r print_vd "" ";" "" ff l;
fprintf ff ";@]@\n"
end;
if eqs <> [] then begin
fprintf ff "@[<v 2>let @,";
print_eq_list ff eqs;
fprintf ff "@]"; fprintf ff "tel@\n"
end;
fprintf ff "assume %a@;enforce %a@;with (@[<hov>"
print_exp e_a
print_exp e_g;
print_list_r print_vd "" ";" "" ff cl;
fprintf ff "@])@]@\n"
let print_node_params ff = function
| [] -> ()
| l -> print_list_r print_name "<<" "," ">>" ff l
let print_node ff
{ n_name = n; n_input = ni;
n_local = nl; n_output = no; n_contract = contract; n_equs = ne;
n_params = params; } =
fprintf ff "@[<v 2>node ";
print_name ff n;
print_node_params ff params;
print_list_r print_vd "(" ";" ")" ff ni;
fprintf ff " returns ";
print_list_r print_vd "(" ";" ")" ff no;
fprintf ff "@,";
optunit (print_contract ff) contract;
if nl <> [] then begin
fprintf ff "@[<hov 4>var ";
print_list_r print_vd "" ";" "" ff nl;
fprintf ff ";@]@,"
end;
fprintf ff "@[<v 2>let @,";
print_eq_list ff ne;
fprintf ff "@]@;"; fprintf ff "tel";fprintf ff "@.@]"
let print_open_module ff name =
fprintf ff "@[open ";
print_name ff name;
fprintf ff "@.@]"
let ptype oc ty =
let ff = formatter_of_out_channel oc in
print_type ff ty; fprintf ff "@?"
let print oc { p_opened = po; p_types = pt; p_nodes = pn; p_consts = pc } =
let ff = formatter_of_out_channel oc in
List.iter (print_open_module ff) po;
List.iter (print_const_dec ff) pc;
List.iter (print_type_def ff) pt;
List.iter (print_node ff) pn;
fprintf ff "@?"