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(**************************************************************************)
(* *)
(* This file is part of WP plug-in of Frama-C. *)
(* *)
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(* CEA (Commissariat a l'energie atomique et aux energies *)
(* alternatives) *)
(* *)
(* you can redistribute it and/or modify it under the terms of the GNU *)
(* Lesser General Public License as published by the Free Software *)
(* Foundation, version 2.1. *)
(* *)
(* It is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *)
(* GNU Lesser General Public License for more details. *)
(* *)
(* See the GNU Lesser General Public License version 2.1 *)
(* for more details (enclosed in the file licenses/LGPLv2.1). *)
(* *)
(**************************************************************************)
(* -------------------------------------------------------------------------- *)
(* --- Composer Panel --- *)
(* -------------------------------------------------------------------------- *)
let peek n s =
let rec prefix n s =
if n <= 0 then ([],s) else
match s with
| [] -> raise Not_found
| e::s ->
let es,s = prefix (pred n) s in
e :: es , s
in try Some(prefix n s) with Not_found -> None
class composer (focused : GuiSequent.focused) =
object(self)
val mutable stack : Tactical.selection list = []
val mutable update = (fun () -> ())
method clear = stack <- []
method connect f = update <- f
method private pp_typeof fmt v =
try Lang.F.pp_tau fmt (Lang.F.typeof (Tactical.selected v))
with Not_found -> Format.pp_print_string fmt "?"
method private pp_selection fmt v =
begin
focused#pp_selection fmt v ;
let open Tactical in
match v with
| Compose(Code _) | Inside _ | Clause _ ->
Format.fprintf fmt "@ @{<fg:grey>(%a)@}" self#pp_typeof v
| _ -> ()
end
method private pp_select cc args ~quit fmt =
match args with
| e::_ when cc#is_valid e ->
let callback () = cc#set_value e ; quit () in
Format.fprintf fmt "%t @{<it>and quit composer@}@\n"
(focused#button ~title:"Select A" ~callback)
| _ -> ()
method private pp_range cc args ~quit fmt =
match args with
| a::b::_ when cc#ranged ->
begin
match Tactical.get_int a, Tactical.get_int b with
| Some a,Some b when a <= b ->
let callback () =
cc#set_value (Tactical.range a b) ;
quit () in
Format.fprintf fmt "%t @{<it>for range selection@}@\n"
(focused#button ~title:"Select A..B" ~callback)
| _ -> ()
end
| _ -> ()
method private pp_stack args sel fmt =
if not (Tactical.is_empty sel) then
let callback () =
stack <- args ;
ignore focused#unselect ;
update () in
focused#button ~title:"Stack" ~callback fmt
method private op1 title job args fmt = match args with
| a::w ->
let callback () =
stack <- job a w ; ignore focused#unselect ; update () in
focused#button ~title ~callback fmt
| _ -> ()
method private op2 title job args fmt = match args with
| a::b::w ->
let callback () =
stack <- job a b w ; ignore focused#unselect ; update () in
focused#button ~title ~callback fmt
| _ -> ()
method private op3 title job args fmt = match args with
| a::b::c::w ->
let callback () =
stack <- job a b c w ; ignore focused#unselect ; update () in
focused#button ~title ~callback fmt
| _ -> ()
method private destruct args fmt = match args with
| a::w ->
let ps = Tactical.destruct a in
if ps <> [] then
let callback () =
stack <- ps @ w ; update () in
Format.fprintf fmt
"%t @{<it>Decompose into (selectable) sub-terms@}@\n"
(focused#button ~title:"Destruct A" ~callback)
| _ -> ()
val mutable stacked = true
val mutable group = ""
val mutable help = false
method private compose fmt args (cc : Tactical.composer) =
match peek cc#arity args with
| None -> ()
| Some (es,tail) ->
let vs = List.map Tactical.selected es in
if cc#filter vs then
begin
let callback () =
let s = Tactical.compose cc#id es in
stack <- if es = [] then tail @ [s] else s :: tail ;
ignore focused#unselect ;
update () in
let button = focused#button ~title:cc#title ~callback in
let descr = cc#descr in
if descr = "" then
( if not stacked && cc#group <> group then
Format.pp_print_newline fmt () ;
button fmt ;
stacked <- false )
else
begin
if not stacked then Format.pp_print_newline fmt () ;
Format.fprintf fmt "%t @{<it>%s@}@\n" button descr ;
stacked <- true
end ;
group <- cc#group
end
method private hrule fmt =
if not stacked then Format.pp_print_newline fmt () ;
Format.fprintf fmt "---------------------------------------@\n" ;
stacked <- true
method private helper fmt (cc : Tactical.composer) =
begin
if cc#group <> group && group <> "" then self#hrule fmt ;
Format.fprintf fmt "[ @{<bf>%s@} ]" cc#title ;
let descr = cc#descr in
if descr = "" then
if cc#arity > 0 then
( Format.fprintf fmt " @{<it>arity %d@}@\n" cc#arity ;
stacked <- true )
else stacked <- false
else
( Format.fprintf fmt " @{<it>%s@}@\n" descr ;
stacked <- true ) ;
group <- cc#group
end
method private openhelp () = help <- true ; update ()
method private closehelp () = help <- false ; update ()
method print (cc : GuiTactic.composer) ~quit fmt =
begin
focused#set_target Tactical.Empty ;
Format.fprintf fmt "@{<bf>Selection:@} @{<ul>%s@} %t%t@\n"
cc#title
(focused#button ~title:"Help" ~callback:self#openhelp)
(focused#button ~title:"Cancel" ~callback:quit) ;
let tooltip = cc#descr in
if tooltip <> "" then Format.fprintf fmt "@\n@{<it>%s@}@\n@\n" tooltip ;
let current = cc#get_value in
if not (Tactical.is_empty current) then
begin
let clear () = cc#set_value Tactical.Empty ; quit () in
let edit () =
stack <-
begin match current with
| Tactical.Compose(Tactical.Range(a,b)) ->
[ Tactical.int a ; Tactical.int b ]
| _ -> [current] end ;
update () in
Format.fprintf fmt "Current: @[<hov 2>%a@]@."
focused#pp_selection current ;
Format.fprintf fmt "%t @{<it>in edition stack@}@\n"
(focused#button ~title:"Edit" ~callback:edit) ;
Format.fprintf fmt "%t @{<it>and quit composer@}@\n"
(focused#button ~title:"Clear" ~callback:clear) ;
end ;
let selection = focused#selection in
let args =
if not (Tactical.is_empty selection)
then stack @ [selection] else stack in
Format.fprintf fmt "@{<bf>Edition Stack:@}@\n@\n" ;
Array.iteri
(fun i v ->
if i < 26 then
let h = if v == selection then '>' else ' ' in
let c = char_of_int (int_of_char 'A' + i) in
Format.fprintf fmt "%c %c: @[<hov 2>%a@]@\n" h c
self#pp_selection v ;
) (Array.of_list args) ;
stacked <- true ;
group <- "" ;
if help then
begin
Format.fprintf fmt
"@\nRegistered Operations %t:@\n@\n"
(focused#button ~title:"Close" ~callback:self#closehelp) ;
Tactical.iter_composer (self#helper fmt) ;
end
else
begin
Format.fprintf fmt "@\n%t%t%t@\n%t%t%t%t@\n@\n%t"
(self#pp_select cc args ~quit)
(self#pp_range cc args ~quit)
(self#pp_stack args selection)
(self#op1 "Dup A" (fun a w -> a :: a :: w) args)
(self#op1 "Drop A" (fun _ w -> w) args)
(self#op2 "Swap A,B" (fun a b w -> b::a::w) args)
(self#op3 "Roll A,B,C" (fun a b c w -> c::a::b::w) args)
(self#destruct args) ;
self#hrule fmt ;
Tactical.iter_composer (self#compose fmt args) ;
end
end
end
(* -------------------------------------------------------------------------- *)
(* --- Browser --- *)
(* -------------------------------------------------------------------------- *)
class browser (focused : GuiSequent.focused) =
object
val mutable paging = 10 (* number of items per page *)
val mutable offset = 0 (* first listed item on page *)
val mutable listed = 0 (* number of listed items *)
val mutable update = (fun () -> ())
method clear =
begin
if paging <> 5 || paging <> 10 then paging <- 10 ;
offset <- 0 ;
listed <- 0 ;
end
method connect f = update <- f
method print ( cc : GuiTactic.browser ) ~quit fmt =
begin
focused#set_target cc#target ;
let ptitle = if paging = 10 then "5/page" else "10/page" in
let ctitle () = paging <- if paging = 10 then 5 else 10 ; update () in
Format.fprintf fmt "@{<bf>Selection for %s:@} %t%t@\n@\n"
cc#title
(focused#button ~title:ptitle ~callback:ctitle)
(focused#button ~title:"Cancel" ~callback:quit) ;
let tooltip = cc#descr in
if tooltip <> "" then Format.fprintf fmt "@{<it>%s@}@\n@\n" tooltip ;
listed <- 0 ;
let open Tactical in
let complete =
cc#search (fun item ->
listed <- succ listed ;
if offset < listed then
begin
let title = Printf.sprintf "#%02d" listed in
let callback () = cc#choose (Some item.vid) ; quit () in
Format.fprintf fmt "%t %s@\n"
(focused#button ~title ~callback) item.title ;
if item.descr <> "" then
Format.fprintf fmt "@{<fg:grey>%s@}@\n@\n" item.descr ;
end
) (offset + paging)
in
if listed <= offset then
Format.fprintf fmt "@{<it>No Result@}@\n" ;
Format.pp_print_newline fmt () ;
let rec pages p =
let q = p+paging-1 in
if q <= listed then
begin
let title = Printf.sprintf "%d-%d" p q in
let callback () = offset <- pred p ; update () in
focused#button ~title ~callback fmt ;
pages (succ q) ;
end
else
if not complete then
begin
let title = Printf.sprintf "%d+" p in
let callback () = offset <- pred p ; update () in
focused#button ~title ~callback fmt ;
end
in pages 1 ;
Format.pp_print_newline fmt () ;
end
end
(* -------------------------------------------------------------------------- *)