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(*************************************************************************)
(* *)
(* OCaml LablTk library *)
(* *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 1999 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file ../../../LICENSE. *)
(* *)
(*************************************************************************)
(* $Id$ *)
open StdLabels
open Tk
open Jg_tk
open Mytypes
open Longident
open Types
open Typedtree
open Env
open Searchpos
open Searchid
(* Managing the module list *)
let list_modules ?(path=Load_path.get_path_list ()) () =
List.fold_left path ~init:[] ~f:
begin fun modules dir ->
let l =
List.filter (Useunix.get_files_in_directory dir)
~f:(fun x -> Filename.check_suffix x ".cmi") in
let l = List.map l ~f:
begin fun x ->
String.capitalize_ascii (Filename.chop_suffix x ".cmi")
end in
List.fold_left l ~init:modules
~f:(fun modules item ->
if List.mem item ~set:modules then modules else item :: modules)
end
let reset_modules box =
Listbox.delete box ~first:(`Num 0) ~last:`End;
module_list := List.sort (list_modules ())
~cmp:(Jg_completion.compare_string ~nocase:true);
Listbox.insert box ~index:`End ~texts:!module_list;
Jg_box.recenter box ~index:(`Num 0)
(* How to display a symbol *)
let view_symbol ~kind ~env ?path id =
let name = match id with
Lident x -> x
| Ldot (_, x) -> x
| _ -> match kind with Pvalue | Ptype | Plabel -> "z" | _ -> "Z"
in
match kind with
Pvalue ->
let path, vd = find_value_by_name id env in
view_signature_item ~path ~env
[Sig_value (Ident.create_local name, vd, Exported)]
| Ptype -> view_type_id id ~env
| Plabel -> let ld = find_label_by_name id env in
begin match get_desc ld.lbl_res with
Tconstr (path, _, _) -> view_type_decl path ~env
| _ -> ()
end
| Pconstructor ->
let cd = find_constructor_by_name id env in
begin match cd.cstr_tag, get_desc cd.cstr_res with
Cstr_extension _, Tconstr (cpath, args, _) ->
view_signature ~title:(string_of_longident id) ~env ?path
[Sig_typext (Ident.create_local name,
{Types.ext_type_path = cpath;
ext_type_params = args;
ext_args = Cstr_tuple cd.cstr_args;
ext_ret_type = (if cd.cstr_generalized
then Some cd.cstr_res else None);
ext_private = cd.cstr_private;
ext_loc = cd.cstr_loc;
ext_attributes = cd.cstr_attributes;
ext_uid = Uid.internal_not_actually_unique},
(if Path.same cpath Predef.path_exn
then Text_exception
else Text_first),
Exported)]
| _, Tconstr (cpath, _, _) ->
view_type_decl cpath ~env
| _ -> ()
end
| Pmodule -> view_module_id id ~env
| Pmodtype -> view_modtype_id id ~env
| Pclass -> view_class_id id ~env
| Pcltype -> view_cltype_id id ~env
(* Create a list of symbols you can choose from *)
let choose_symbol ~title ~env ?signature ?path l =
if match path with
None -> false
| Some path -> is_shown_module path
then () else
let tl = Jg_toplevel.titled title in
Jg_bind.escape_destroy tl;
top_widgets := coe tl :: !top_widgets;
let buttons = Frame.create tl in
let all = Button.create buttons ~text:"Show all" ~padx:20
and ok = Jg_button.create_destroyer tl ~parent:buttons
and detach = Button.create buttons ~text:"Detach"
and edit = Button.create buttons ~text:"Impl"
and intf = Button.create buttons ~text:"Intf" in
let l = List.sort l ~cmp:(fun (li1, _) (li2,_) -> compare li1 li2) in
let nl = List.map l ~f:
begin fun (li, k) ->
string_of_longident li ^ " (" ^ string_of_kind k ^ ")"
end in
let fb = Frame.create tl in
let box =
new Jg_multibox.c fb ~cols:3 ~texts:nl ~maxheight:3 ~width:21 in
box#init;
box#bind_kbd ~events:[`KeyPressDetail"Escape"]
~action:(fun _ ~index -> destroy tl; break ());
if List.length nl > 9 then ignore (Jg_multibox.add_scrollbar box);
Jg_multibox.add_completion box ~action:
begin fun pos ->
let li, k = List.nth l pos in
let path =
match path, li with
None, Ldot (lip, _) ->
begin try
Some (fst (find_module_by_name lip env))
with Not_found -> None
end
| _ -> path
in view_symbol li ~kind:k ~env ?path
end;
pack [buttons] ~side:`Bottom ~fill:`X;
pack [fb] ~side:`Top ~fill:`Both ~expand:true;
begin match signature with
None -> pack [ok] ~fill:`X ~expand:true
| Some signature ->
Button.configure all ~command:
begin fun () ->
view_signature signature ~title ~env ?path
end;
pack [ok; all] ~side:`Right ~fill:`X ~expand:true
end;
begin match path with None -> ()
| Some path ->
let frame = Frame.create tl in
pack [frame] ~side:`Bottom ~fill:`X;
add_shown_module path
~widgets:{ mw_frame = frame; mw_title = None; mw_detach = detach;
mw_edit = edit; mw_intf = intf }
end
let choose_symbol_ref = ref choose_symbol
(* Search, both by type and name *)
let guess_search_mode s : [`Type | `Long | `Pattern] =
let is_type = ref false and is_long = ref false in
for i = 0 to String.length s - 2 do
if s.[i] = '-' && s.[i+1] = '>' then is_type := true;
if s.[i] = '.' then is_long := true
done;
if !is_type then `Type else if !is_long then `Long else `Pattern
let search_string ?(mode="symbol") ew =
let text = Entry.get ew in
try
if text = "" then () else
let l = match mode with
"Name" ->
begin match guess_search_mode text with
`Long -> search_string_symbol text
| `Pattern -> search_pattern_symbol text
| `Type -> search_string_type text ~mode:`Included
end
| "Type" -> search_string_type text ~mode:`Included
| "Exact" -> search_string_type text ~mode:`Exact
| _ -> assert false
in
match l with [] -> ()
| [lid,kind] -> view_symbol lid ~kind ~env:!start_env
| l -> choose_symbol ~title:"Choose symbol" ~env:!start_env l
with Searchid.Error (s,e) ->
Entry.icursor ew ~index:(`Num s)
let search_which = ref "Name"
let search_symbol () =
if !module_list = [] then
module_list := List.sort ~cmp:compare (list_modules ());
let tl = Jg_toplevel.titled "Search symbol" in
Jg_bind.escape_destroy tl;
let ew = Entry.create tl ~width:30 in
let choice = Frame.create tl
and which = Textvariable.create ~on:tl () in
let itself = Radiobutton.create choice ~text:"Itself"
~variable:which ~value:"Name"
and extype = Radiobutton.create choice ~text:"Exact type"
~variable:which ~value:"Exact"
and iotype = Radiobutton.create choice ~text:"Included type"
~variable:which ~value:"Type"
and buttons = Frame.create tl in
let search = Button.create buttons ~text:"Search" ~command:
begin fun () ->
search_which := Textvariable.get which;
search_string ew ~mode:!search_which
end
and ok = Jg_button.create_destroyer tl ~parent:buttons ~text:"Cancel" in
Focus.set ew;
Jg_bind.return_invoke ew ~button:search;
Textvariable.set which !search_which;
pack [itself; extype; iotype] ~side:`Left ~anchor:`W;
pack [search; ok] ~side:`Left ~fill:`X ~expand:true;
pack [coe ew; coe choice; coe buttons]
~side:`Top ~fill:`X ~expand:true
(* Display the contents of a module *)
let ident_of_decl ~modlid = function
Sig_value (id, _, _) -> Lident (Ident.name id), Pvalue
| Sig_type (id, _, _, _) -> Lident (Ident.name id), Ptype
| Sig_typext (id, _, _, _) -> Ldot (modlid, Ident.name id), Pconstructor
| Sig_module (id, _, _, _, _) -> Lident (Ident.name id), Pmodule
| Sig_modtype (id, _, _) -> Lident (Ident.name id), Pmodtype
| Sig_class (id, _, _, _) -> Lident (Ident.name id), Pclass
| Sig_class_type (id, _, _, _) -> Lident (Ident.name id), Pcltype
let show_error report_error err =
let tl, tw, finish = Jg_message.formatted ~title:"Error!" () in
report_error Format.std_formatter err;
finish ()
let view_defined ~env ?(show_all=false) modlid =
try
let path, modtype = lookup_module modlid env ~loc:Location.none in
match scrape_alias env modtype.md_type with
Mty_signature sign ->
let rec iter_sign sign idents =
match sign with
[] -> List.rev idents
| decl :: rem ->
let rem = match decl, rem with
Sig_class _, cty :: ty1 :: ty2 :: rem -> rem
| Sig_class_type _, ty1 :: ty2 :: rem -> rem
| _, rem -> rem
in iter_sign rem (ident_of_decl ~modlid decl :: idents)
in
let l = iter_sign sign [] in
let title = string_of_path path in
let env =
match open_signature Asttypes.Fresh path env with
Error _ -> env
| Ok env -> env
in
!choose_symbol_ref l ~title ~signature:sign ~env ~path;
if show_all then view_signature sign ~title ~env ~path
| _ -> ()
with Not_found -> ()
| Env.Error err -> show_error Env.report_error err
| Persistent_env.Error err -> show_error Persistent_env.report_error err
| Cmi_format.Error err -> show_error Cmi_format.report_error err
(* Manage toplevel windows *)
let close_all_views () =
List.iter !top_widgets
~f:(fun tl -> try destroy tl with Protocol.TkError _ -> ());
top_widgets := []
(* Launch a shell *)
let shell_counter = ref 1
let default_shell = ref "ocaml"
let start_shell master =
let tl = Jg_toplevel.titled "Start New Shell" in
Wm.transient_set tl ~master;
let input = Frame.create tl
and buttons = Frame.create tl in
let ok = Button.create buttons ~text:"Ok"
and cancel = Jg_button.create_destroyer tl ~parent:buttons ~text:"Cancel"
and labels = Frame.create input
and entries = Frame.create input in
let l1 = Label.create labels ~text:"Command:"
and l2 = Label.create labels ~text:"Title:"
and e1 =
Jg_entry.create entries ~command:(fun _ -> Button.invoke ok)
and e2 =
Jg_entry.create entries ~command:(fun _ -> Button.invoke ok)
and names = List.map ~f:fst (Shell.get_all ()) in
Entry.insert e1 ~index:`End ~text:!default_shell;
let shell_name () = "Shell #" ^ string_of_int !shell_counter in
while List.mem (shell_name ()) ~set:names do
incr shell_counter
done;
Entry.insert e2 ~index:`End ~text:(shell_name ());
Button.configure ok ~command:(fun () ->
if not (List.mem (Entry.get e2) ~set:names) then begin
default_shell := Entry.get e1;
Shell.f ~prog:!default_shell ~title:(Entry.get e2);
destroy tl
end);
pack [l1;l2] ~side:`Top ~anchor:`W;
pack [e1;e2] ~side:`Top ~fill:`X ~expand:true;
pack [labels;entries] ~side:`Left ~fill:`X ~expand:true;
pack [ok;cancel] ~side:`Left ~fill:`X ~expand:true;
pack [input;buttons] ~side:`Top ~fill:`X ~expand:true
(* Help window *)
let show_help () =
let tl = Jg_toplevel.titled "OCamlBrowser Help" in
Jg_bind.escape_destroy tl;
let fw, tw, sb = Jg_text.create_with_scrollbar tl in
let ok = Jg_button.create_destroyer ~parent:tl ~text:"Ok" tl in
Text.insert tw ~index:tend ~text:Help.text;
Text.configure tw ~state:`Disabled;
Jg_bind.enter_focus tw;
pack [tw] ~side:`Left ~fill:`Both ~expand:true;
pack [sb] ~side:`Right ~fill:`Y;
pack [fw] ~side:`Top ~expand:true ~fill:`Both;
pack [ok] ~side:`Bottom ~fill:`X
(* Launch the classical viewer *)
let f ?(dir=Unix.getcwd()) ?on () =
let (top, tl) = match on with
None ->
let tl = Jg_toplevel.titled "Module viewer" in
ignore (Jg_bind.escape_destroy tl); (tl, coe tl)
| Some top ->
Wm.title_set top "OCamlBrowser";
Wm.iconname_set top "OCamlBrowser";
let tl = Frame.create top in
bind tl ~events:[`Destroy] ~action:(fun _ -> exit 0);
pack [tl] ~expand:true ~fill:`Both;
(top, coe tl)
in
let menus = Jg_menu.menubar top in
let filemenu = new Jg_menu.c "File" ~parent:menus
and modmenu = new Jg_menu.c "Modules" ~parent:menus in
let fmbox, mbox, msb = Jg_box.create_with_scrollbar tl in
Jg_box.add_completion mbox ~nocase:true ~action:
begin fun index ->
view_defined (Lident (Listbox.get mbox ~index)) ~env:!start_env
end;
Setpath.add_update_hook (fun () -> reset_modules mbox);
let ew = Entry.create tl in
let buttons = Frame.create tl in
let search = Button.create buttons ~text:"Search" ~pady:1
~command:(fun () -> search_string ew)
and close =
Button.create buttons ~text:"Close all" ~pady:1 ~command:close_all_views
in
(* bindings *)
Jg_bind.enter_focus ew;
Jg_bind.return_invoke ew ~button:search;
bind close ~events:[`Modified([`Double], `ButtonPressDetail 1)]
~action:(fun _ -> destroy tl);
(* File menu *)
filemenu#add_command "Open..."
~command:(fun () -> !editor_ref ~opendialog:true ());
filemenu#add_command "Editor..." ~command:(fun () -> !editor_ref ());
filemenu#add_command "Shell..." ~command:(fun () -> start_shell tl);
filemenu#add_command "Quit" ~command:(fun () -> destroy tl);
(* modules menu *)
modmenu#add_command "Path editor..."
~command:(fun () -> Setpath.set ~dir);
modmenu#add_command "Reset cache"
~command:(fun () -> reset_modules mbox; Env.reset_cache ());
modmenu#add_command "Search symbol..." ~command:search_symbol;
pack [close; search] ~fill:`X ~side:`Right ~expand:true;
pack [coe buttons; coe ew] ~fill:`X ~side:`Bottom;
pack [msb] ~side:`Right ~fill:`Y;
pack [mbox] ~side:`Left ~fill:`Both ~expand:true;
pack [fmbox] ~fill:`Both ~expand:true ~side:`Top;
reset_modules mbox
(* Smalltalk-like version *)
class st_viewer ?(dir=Unix.getcwd()) ?on () =
let (top, tl) = match on with
None ->
let tl = Jg_toplevel.titled "Module viewer" in
ignore (Jg_bind.escape_destroy tl); (tl, coe tl)
| Some top ->
Wm.title_set top "OCamlBrowser";
Wm.iconname_set top "OCamlBrowser";
let tl = Frame.create top in
bind tl ~events:[`Destroy] ~action:(fun _ -> exit 0);
pack [tl] ~side:`Bottom ~expand:true ~fill:`Both;
(top, coe tl)
in
let menus = Menu.create top ~name:"menubar" ~typ:`Menubar in
let () = Toplevel.configure top ~menu:menus in
let filemenu = new Jg_menu.c "File" ~parent:menus
and modmenu = new Jg_menu.c "Modules" ~parent:menus
and viewmenu = new Jg_menu.c "View" ~parent:menus
and helpmenu = new Jg_menu.c "Help" ~parent:menus in
let search_frame = Frame.create tl in
let boxes_frame = Frame.create tl ~name:"boxes" in
let label = Label.create tl ~anchor:`W ~padx:5 in
let view = Frame.create tl in
let buttons = Frame.create tl in
let _all = Button.create buttons ~text:"Show all" ~padx:20
and close = Button.create buttons ~text:"Close all" ~command:close_all_views
and detach = Button.create buttons ~text:"Detach"
and edit = Button.create buttons ~text:"Impl"
and intf = Button.create buttons ~text:"Intf" in
object (self)
val mutable boxes = []
val mutable show_all = fun () -> ()
method create_box =
let fmbox, mbox, sb = Jg_box.create_with_scrollbar boxes_frame in
bind mbox ~events:[`Modified([`Double], `ButtonPressDetail 1)]
~action:(fun _ -> show_all ());
bind mbox ~events:[`Modified([`Double], `KeyPressDetail "Return")]
~action:(fun _ -> show_all ());
boxes <- boxes @ [fmbox, mbox];
pack [sb] ~side:`Right ~fill:`Y;
pack [mbox] ~side:`Left ~fill:`Both ~expand:true;
pack [fmbox] ~side:`Left ~fill:`Both ~expand:true;
fmbox, mbox
initializer
(* Search *)
let ew = Entry.create search_frame
and searchtype = Textvariable.create ~on:tl () in
bind ew ~events:[`KeyPressDetail "Return"] ~action:
(fun _ -> search_string ew ~mode:(Textvariable.get searchtype));
Jg_bind.enter_focus ew;
let search_button ?value text =
Radiobutton.create search_frame
~text ~variable:searchtype ~value:text in
let symbol = search_button "Name"
and atype = search_button "Type" in
Radiobutton.select symbol;
pack [Label.create search_frame ~text:"Search"] ~side:`Left ~ipadx:5;
pack [ew] ~fill:`X ~expand:true ~side:`Left;
pack [Label.create search_frame ~text:"by"] ~side:`Left ~ipadx:5;
pack [symbol; atype] ~side:`Left;
pack [Label.create search_frame] ~side:`Right
initializer
(* Boxes *)
let fmbox, mbox = self#create_box in
Jg_box.add_completion mbox ~nocase:true ~double:false ~action:
begin fun index ->
view_defined (Lident (Listbox.get mbox ~index)) ~env:!start_env
end;
Setpath.add_update_hook (fun () -> reset_modules mbox; self#hide_after 1);
List.iter [1;2] ~f:(fun _ -> ignore self#create_box);
Searchpos.default_frame := Some
{ mw_frame = view; mw_title = Some label;
mw_detach = detach; mw_edit = edit; mw_intf = intf };
Searchpos.set_path := self#set_path;
(* Buttons *)
pack [close] ~side:`Right ~fill:`X ~expand:true;
bind close ~events:[`Modified([`Double], `ButtonPressDetail 1)]
~action:(fun _ -> destroy tl);
(* File menu *)
filemenu#add_command "Open..."
~command:(fun () -> !editor_ref ~opendialog:true ());
filemenu#add_command "Editor..." ~command:(fun () -> !editor_ref ());
filemenu#add_command "Shell..." ~command:(fun () -> start_shell tl);
filemenu#add_command "Quit" ~command:(fun () -> destroy tl);
(* View menu *)
viewmenu#add_command "Show all defs" ~command:(fun () -> show_all ());
let show_search = Textvariable.create ~on:tl () in
Textvariable.set show_search "1";
Menu.add_checkbutton viewmenu#menu ~label:"Search Entry"
~variable:show_search ~indicatoron:true ~state:`Active
~command:
begin fun () ->
let v = Textvariable.get show_search in
if v = "1" then begin
pack [search_frame] ~after:menus ~fill:`X
end else Pack.forget [search_frame]
end;
(* modules menu *)
modmenu#add_command "Path editor..."
~command:(fun () -> Setpath.set ~dir);
modmenu#add_command "Reset cache"
~command:(fun () -> reset_modules mbox; Env.reset_cache ());
modmenu#add_command "Search symbol..." ~command:search_symbol;
(* Help menu *)
helpmenu#add_command "Manual..." ~command:show_help;
pack [search_frame] ~fill:`X;
pack [boxes_frame] ~fill:`Both ~expand:true;
pack [buttons] ~fill:`X ~side:`Bottom;
pack [view] ~fill:`Both ~side:`Bottom ~expand:true;
reset_modules mbox
val mutable shown_paths = []
method hide_after n =
for i = n to List.length boxes - 1 do
let fm, box = List.nth boxes i in
if i < 3 then Listbox.delete box ~first:(`Num 0) ~last:`End
else destroy fm
done;
let rec firsts n = function [] -> []
| a :: l -> if n > 0 then a :: firsts (pred n) l else [] in
shown_paths <- firsts (n-1) shown_paths;
boxes <- firsts (max 3 n) boxes
method get_box ~path =
let rec path_index p = function
[] -> raise Not_found
| a :: l -> if Path.same p a then 1 else path_index p l + 1 in
try
let n = path_index path shown_paths in
self#hide_after (n+1);
n
with Not_found ->
match path with
Path.Pdot (path', _) ->
let n = self#get_box ~path:path' in
shown_paths <- shown_paths @ [path];
if n + 1 >= List.length boxes then ignore self#create_box;
n+1
| _ ->
self#hide_after 2;
shown_paths <- [path];
1
method set_path path ~sign =
let rec path_elems l path =
match path with
Path.Pdot (path, _) -> path_elems (path::l) path
| _ -> []
in
let path_elems path =
match path with
| Path.Pident _ -> [path]
| _ -> path_elems [] path
in
let see_path ~box:n ?(sign=[]) path =
let (_, box) = List.nth boxes n in
let texts = Listbox.get_range box ~first:(`Num 0) ~last:`End in
let rec index s = function
[] -> raise Not_found
| a :: l -> if a = s then 0 else 1 + index s l
in
try
let modlid, s =
match path with
Path.Pdot (p, s) -> longident_of_path p, s
| Path.Pident i -> Longident.Lident "M", Ident.name i
| _ -> assert false
in
let li, k =
if sign = [] then Longident.Lident s, Pmodule else
ident_of_decl ~modlid (List.hd sign) in
let s =
if n = 0 then string_of_longident li else
string_of_longident li ^ " (" ^ string_of_kind k ^ ")" in
let n = index s texts in
Listbox.see box ~index:(`Num n);
Listbox.activate box ~index:(`Num n)
with Not_found -> ()
in
let l = path_elems path in
if l <> [] then begin
List.iter l ~f:
begin fun path ->
if not (List.mem path ~set:shown_paths) then
view_symbol (longident_of_path path) ~kind:Pmodule
~env:!start_env ~path;
let n = self#get_box ~path - 1 in
see_path path ~box:n
end;
see_path path ~box:(self#get_box ~path) ~sign
end
method choose_symbol ~title ~env ?signature ?path l =
let n =
match path with None -> 1
| Some path -> self#get_box ~path
in
let l = List.sort l ~cmp:(fun (li1, _) (li2,_) -> compare li1 li2) in
let nl = List.map l ~f:
begin fun (li, k) ->
string_of_longident li ^ " (" ^ string_of_kind k ^ ")"
end in
let _, box = List.nth boxes n in
Listbox.delete box ~first:(`Num 0) ~last:`End;
Listbox.insert box ~index:`End ~texts:nl;
let current = ref None in
let display index =
let `Num pos = Listbox.index box ~index in
try
let li, k = try List.nth l pos with Failure _ -> raise Exit in
self#hide_after (n+1);
if !current = Some (li,k) then () else
let path =
match path, li with
None, Ldot (lip, _) ->
begin try
Some (fst (find_module_by_name lip env))
with Not_found -> None
end
| _ -> path
in
current := Some (li,k);
view_symbol li ~kind:k ~env ?path
with Exit -> ()
in
Jg_box.add_completion box ~double:false ~action:display;
bind box ~events:[`KeyRelease] ~fields:[`Char]
~action:(fun ev -> display `Active);
begin match signature with
None -> ()
| Some signature ->
show_all <-
begin fun () ->
current := None;
view_signature signature ~title ~env ?path
end
end
end
let st_viewer ?dir ?on () =
let viewer = new st_viewer ?dir ?on () in
choose_symbol_ref := viewer#choose_symbol
|