(* Title: Pure/Thy/present.ML
Author: Markus Wenzel and Stefan Berghofer, TU Muenchen
Theory presentation: HTML, graph files, (PDF)LaTeX documents.
*)
signature BASIC_PRESENT =
sig
val no_document: ('a -> 'b) -> 'a -> 'b
end;
signature PRESENT =
sig
include BASIC_PRESENT
val session_name: theory -> string
val write_graph: {name: string, ID: string, dir: string, unfold: bool,
path: string, parents: string list} list -> Path.T -> unit
val display_graph: {name: string, ID: string, dir: string, unfold: bool,
path: string, parents: string list} list -> unit
val init: bool -> bool -> string -> bool -> string list -> string list ->
string -> (bool * Path.T) option -> Url.T option * bool -> bool -> theory list -> unit
val finish: unit -> unit
val init_theory: string -> unit
val theory_source: string -> (unit -> HTML.text) -> unit
val theory_output: string -> string -> unit
val begin_theory: int -> Path.T -> (Path.T * bool) list -> theory -> theory
val drafts: string -> Path.T list -> Path.T
end;
structure Present: PRESENT =
struct
(** paths **)
val output_path = Path.variable "ISABELLE_BROWSER_INFO";
val tex_ext = Path.ext "tex";
val tex_path = tex_ext o Path.basic;
val html_ext = Path.ext "html";
val html_path = html_ext o Path.basic;
val index_path = Path.basic "index.html";
val readme_html_path = Path.basic "README.html";
val readme_path = Path.basic "README";
val documentN = "document";
val document_path = Path.basic documentN;
val doc_indexN = "session";
val graph_path = Path.basic "session.graph";
val graph_pdf_path = Path.basic "session_graph.pdf";
val graph_eps_path = Path.basic "session_graph.eps";
val session_path = Path.basic ".session";
val session_entries_path = Path.explode ".session/entries";
val pre_index_path = Path.explode ".session/pre-index";
fun mk_rel_path [] ys = Path.make ys
| mk_rel_path xs [] = Path.appends (replicate (length xs) Path.parent)
| mk_rel_path (ps as x :: xs) (qs as y :: ys) = if x = y then mk_rel_path xs ys else
Path.appends (replicate (length ps) Path.parent @ [Path.make qs]);
fun show_path path = Path.implode (Path.append (File.pwd ()) path);
(** additional theory data **)
structure BrowserInfoData = Theory_Data
(
type T = {name: string, session: string list, is_local: bool};
val empty = {name = "", session = [], is_local = false}: T;
fun extend _ = empty;
fun merge _ = empty;
);
val put_info = BrowserInfoData.put;
val get_info = BrowserInfoData.get;
val session_name = #name o get_info;
(** graphs **)
type graph_node =
{name: string, ID: string, dir: string, unfold: bool,
path: string, parents: string list};
fun write_graph gr path =
File.write path (cat_lines (map (fn {name, ID, dir, unfold, path, parents} =>
"\"" ^ name ^ "\" \"" ^ ID ^ "\" \"" ^ dir ^ (if unfold then "\" + \"" else "\" \"") ^
path ^ "\" > " ^ space_implode " " (map quote parents) ^ " ;") gr));
fun display_graph gr =
let
val _ = writeln "Displaying graph ...";
val path = File.tmp_path (Path.explode "tmp.graph");
val _ = write_graph gr path;
val _ = File.isabelle_tool "browser" ("-c " ^ File.shell_path path ^ " &");
in () end;
fun ID_of sess s = space_implode "/" (sess @ [s]);
fun ID_of_thy thy = ID_of (#session (get_info thy)) (Context.theory_name thy);
(*retrieve graph data from initial collection of theories*)
fun init_graph remote_path curr_sess = rev o map (fn thy =>
let
val name = Context.theory_name thy;
val {name = sess_name, session, is_local} = get_info thy;
val path' = Path.append (Path.make session) (html_path name);
val entry =
{name = name, ID = ID_of session name, dir = sess_name,
path =
if null session then "" else
if is_some remote_path andalso not is_local then
Url.implode (Url.append (the remote_path) (Url.File
(Path.append (Path.make session) (html_path name))))
else Path.implode (Path.append (mk_rel_path curr_sess session) (html_path name)),
unfold = false,
parents = map ID_of_thy (Theory.parents_of thy)};
in (0, entry) end);
fun ins_graph_entry (i, entry as {ID, ...}) (gr: (int * graph_node) list) =
(i, entry) :: filter_out (fn (_, entry') => #ID entry' = ID) gr;
(** global browser info state **)
(* type theory_info *)
type theory_info = {tex_source: Buffer.T, html_source: Buffer.T, html: Buffer.T};
fun make_theory_info (tex_source, html_source, html) =
{tex_source = tex_source, html_source = html_source, html = html}: theory_info;
val empty_theory_info = make_theory_info (Buffer.empty, Buffer.empty, Buffer.empty);
fun map_theory_info f {tex_source, html_source, html} =
make_theory_info (f (tex_source, html_source, html));
(* type browser_info *)
type browser_info = {theories: theory_info Symtab.table, files: (Path.T * string) list,
tex_index: (int * string) list, html_index: (int * string) list, graph: (int * graph_node) list};
fun make_browser_info (theories, files, tex_index, html_index, graph) =
{theories = theories, files = files, tex_index = tex_index, html_index = html_index,
graph = graph}: browser_info;
val empty_browser_info = make_browser_info (Symtab.empty, [], [], [], []);
fun init_browser_info remote_path curr_sess thys = make_browser_info
(Symtab.empty, [], [], [], init_graph remote_path curr_sess thys);
fun map_browser_info f {theories, files, tex_index, html_index, graph} =
make_browser_info (f (theories, files, tex_index, html_index, graph));
(* state *)
val browser_info = Unsynchronized.ref empty_browser_info;
fun change_browser_info f =
CRITICAL (fn () => Unsynchronized.change browser_info (map_browser_info f));
val suppress_tex_source = Unsynchronized.ref false;
fun no_document f x = setmp_noncritical suppress_tex_source true f x;
fun init_theory_info name info =
change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
(Symtab.update (name, info) theories, files, tex_index, html_index, graph));
fun change_theory_info name f =
change_browser_info (fn (info as (theories, files, tex_index, html_index, graph)) =>
(case Symtab.lookup theories name of
NONE => error ("Browser info: cannot access theory document " ^ quote name)
| SOME info => (Symtab.update (name, map_theory_info f info) theories, files,
tex_index, html_index, graph)));
fun add_file file =
change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
(theories, file :: files, tex_index, html_index, graph));
fun add_tex_index txt =
change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
(theories, files, txt :: tex_index, html_index, graph));
fun add_html_index txt =
change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
(theories, files, tex_index, txt :: html_index, graph));
fun add_graph_entry entry =
change_browser_info (fn (theories, files, tex_index, html_index, graph) =>
(theories, files, tex_index, html_index, ins_graph_entry entry graph));
fun add_tex_source name txt =
if ! suppress_tex_source then ()
else change_theory_info name (fn (tex_source, html_source, html) =>
(Buffer.add txt tex_source, html_source, html));
fun add_html_source name txt = change_theory_info name (fn (tex_source, html_source, html) =>
(tex_source, Buffer.add txt html_source, html));
fun add_html name txt = change_theory_info name (fn (tex_source, html_source, html) =>
(tex_source, html_source, Buffer.add txt html));
(** global session state **)
(* session_info *)
type session_info =
{name: string, parent: string, session: string, path: string list, html_prefix: Path.T,
info: bool, doc_format: string, doc_graph: bool, documents: (string * string) list,
doc_prefix1: (Path.T * Path.T) option, doc_prefix2: (bool * Path.T) option,
remote_path: Url.T option, verbose: bool, readme: Path.T option};
fun make_session_info
(name, parent, session, path, html_prefix, info, doc_format, doc_graph, documents,
doc_prefix1, doc_prefix2, remote_path, verbose, readme) =
{name = name, parent = parent, session = session, path = path, html_prefix = html_prefix,
info = info, doc_format = doc_format, doc_graph = doc_graph, documents = documents,
doc_prefix1 = doc_prefix1, doc_prefix2 = doc_prefix2, remote_path = remote_path,
verbose = verbose, readme = readme}: session_info;
(* state *)
val session_info = Unsynchronized.ref (NONE: session_info option);
fun with_session x f = (case ! session_info of NONE => x | SOME info => f info);
fun with_context f = f (Context.theory_name (ML_Context.the_global_context ()));
(** document preparation **)
(* maintain index *)
val session_entries =
HTML.session_entries o
map (fn name => (Url.File (Path.append (Path.basic name) index_path), name));
fun get_entries dir =
split_lines (File.read (Path.append dir session_entries_path));
fun put_entries entries dir =
File.write (Path.append dir session_entries_path) (cat_lines entries);
fun create_index dir =
File.read (Path.append dir pre_index_path) ^
session_entries (get_entries dir) ^ HTML.end_document
|> File.write (Path.append dir index_path);
fun update_index dir name = CRITICAL (fn () =>
(case try get_entries dir of
NONE => warning ("Browser info: cannot access session index of " ^ quote (Path.implode dir))
| SOME es => (put_entries ((remove (op =) name es) @ [name]) dir; create_index dir)));
(* document versions *)
fun read_version str =
(case space_explode "=" str of
[name] => (name, "")
| [name, tags] => (name, tags)
| _ => error ("Malformed document version specification: " ^ quote str));
fun read_versions strs =
rev (distinct (eq_fst (op =)) (rev ((documentN, "") :: map read_version strs)))
|> filter_out (fn (_, s) => s = "-");
(* init session *)
fun name_of_session elems = space_implode "/" ("Isabelle" :: elems);
fun init build info doc doc_graph doc_versions path name doc_prefix2
(remote_path, first_time) verbose thys = CRITICAL (fn () =>
if not build andalso not info andalso doc = "" andalso is_none doc_prefix2 then
(browser_info := empty_browser_info; session_info := NONE)
else
let
val parent_name = name_of_session (take (length path - 1) path);
val session_name = name_of_session path;
val sess_prefix = Path.make path;
val html_prefix = Path.append (Path.expand output_path) sess_prefix;
val (doc_prefix1, documents) =
if doc = "" then (NONE, [])
else if not (File.exists document_path) then
(if verbose then Output.std_error "Warning: missing document directory\n" else ();
(NONE, []))
else (SOME (Path.append html_prefix document_path, html_prefix),
read_versions doc_versions);
val parent_index_path = Path.append Path.parent index_path;
val index_up_lnk = if first_time then
Url.append (the remote_path) (Url.File (Path.append sess_prefix parent_index_path))
else Url.File parent_index_path;
val readme =
if File.exists readme_html_path then SOME readme_html_path
else if File.exists readme_path then SOME readme_path
else NONE;
val docs =
(case readme of NONE => [] | SOME p => [(Url.File p, "README")]) @
map (fn (name, _) => (Url.File (Path.ext doc (Path.basic name)), name)) documents;
val index_text = HTML.begin_index (index_up_lnk, parent_name)
(Url.File index_path, session_name) docs (Url.explode "medium.html");
in
session_info := SOME (make_session_info (name, parent_name, session_name, path, html_prefix,
info, doc, doc_graph, documents, doc_prefix1, doc_prefix2, remote_path, verbose, readme));
browser_info := init_browser_info remote_path path thys;
add_html_index (0, index_text)
end);
(* isabelle tool wrappers *)
fun isabelle_document verbose format name tags path result_path =
let
val s = "\"$ISABELLE_TOOL\" document -c -o '" ^ format ^ "' \
\-n '" ^ name ^ "' -t '" ^ tags ^ "' " ^ File.shell_path path ^ " 2>&1";
val doc_path = Path.append result_path (Path.ext format (Path.basic name));
val _ = if verbose then writeln s else ();
val (out, rc) = bash_output s;
val _ =
if not (File.exists doc_path) orelse rc <> 0 then
cat_error out ("Failed to build document " ^ quote (show_path doc_path))
else if verbose then writeln out
else ();
in doc_path end;
fun isabelle_browser graph =
let
val pdf_path = File.tmp_path graph_pdf_path;
val eps_path = File.tmp_path graph_eps_path;
val gr_path = File.tmp_path graph_path;
val args = "-o " ^ File.shell_path pdf_path ^ " " ^ File.shell_path gr_path;
in
write_graph graph gr_path;
if File.isabelle_tool "browser" args <> 0 orelse
not (File.exists eps_path) orelse not (File.exists pdf_path)
then error "Failed to prepare dependency graph"
else
let val pdf = File.read pdf_path and eps = File.read eps_path
in File.rm pdf_path; File.rm eps_path; File.rm gr_path; (pdf, eps) end
end;
(* finish session -- output all generated text *)
fun sorted_index index = map snd (sort (int_ord o pairself fst) (rev index));
fun index_buffer index = Buffer.add (implode (sorted_index index)) Buffer.empty;
fun write_tex src name path =
File.write_buffer (Path.append path (tex_path name)) src;
fun write_tex_index tex_index path =
write_tex (index_buffer tex_index |> Buffer.add Latex.tex_trailer) doc_indexN path;
fun finish () = CRITICAL (fn () =>
with_session () (fn {name, info, html_prefix, doc_format, doc_graph,
documents, doc_prefix1, doc_prefix2, path, verbose, readme, ...} =>
let
val {theories, files, tex_index, html_index, graph} = ! browser_info;
val thys = Symtab.dest theories;
val parent_html_prefix = Path.append html_prefix Path.parent;
fun finish_tex path (a, {tex_source, ...}: theory_info) = write_tex tex_source a path;
fun finish_html (a, {html, ...}: theory_info) =
File.write_buffer (Path.append html_prefix (html_path a)) (Buffer.add HTML.end_document html);
val sorted_graph = sorted_index graph;
val opt_graphs =
if doc_graph andalso (is_some doc_prefix1 orelse is_some doc_prefix2) then
SOME (isabelle_browser sorted_graph)
else NONE;
fun prepare_sources cp path =
(File.mkdir path;
if cp then File.copy_dir document_path path else ();
File.isabelle_tool "latex"
("-o sty " ^ File.shell_path (Path.append path (Path.basic "root.tex")));
(case opt_graphs of NONE => () | SOME (pdf, eps) =>
(File.write (Path.append path graph_pdf_path) pdf;
File.write (Path.append path graph_eps_path) eps));
write_tex_index tex_index path;
List.app (finish_tex path) thys);
in
if info then
(File.mkdir (Path.append html_prefix session_path);
File.write_buffer (Path.append html_prefix pre_index_path) (index_buffer html_index);
File.write (Path.append html_prefix session_entries_path) "";
create_index html_prefix;
if length path > 1 then update_index parent_html_prefix name else ();
(case readme of NONE => () | SOME path => File.copy path html_prefix);
write_graph sorted_graph (Path.append html_prefix graph_path);
File.isabelle_tool "browser" "-b";
File.copy (Path.explode "~~/lib/browser/GraphBrowser.jar") html_prefix;
List.app (fn (a, txt) => File.write (Path.append html_prefix (Path.basic a)) txt)
(HTML.applet_pages name (Url.File index_path, name));
File.copy (Path.explode "~~/lib/html/isabelle.css") html_prefix;
List.app finish_html thys;
List.app (uncurry File.write) files;
if verbose then Output.std_error ("Browser info at " ^ show_path html_prefix ^ "\n") else ())
else ();
(case doc_prefix2 of NONE => () | SOME (cp, path) =>
(prepare_sources cp path;
if verbose then Output.std_error ("Document sources at " ^ show_path path ^ "\n") else ()));
(case doc_prefix1 of NONE => () | SOME (path, result_path) =>
documents |> List.app (fn (name, tags) =>
let
val _ = prepare_sources true path;
val doc_path = isabelle_document true doc_format name tags path result_path;
in
if verbose then Output.std_error ("Document at " ^ show_path doc_path ^ "\n") else ()
end));
browser_info := empty_browser_info;
session_info := NONE
end));
(* theory elements *)
fun init_theory name = with_session () (fn _ => init_theory_info name empty_theory_info);
fun theory_source name mk_text =
with_session () (fn _ => add_html_source name (HTML.theory_source (mk_text ())));
fun theory_output name s =
with_session () (fn _ => add_tex_source name (Latex.isabelle_file name s));
fun parent_link remote_path curr_session thy =
let
val {name = _, session, is_local} = get_info thy;
val name = Context.theory_name thy;
val link =
if null session then NONE
else SOME
(if is_some remote_path andalso not is_local then
Url.append (the remote_path) (Url.File (Path.append (Path.make session) (html_path name)))
else Url.File (Path.append (mk_rel_path curr_session session) (html_path name)));
in (link, name) end;
fun begin_theory update_time dir files thy =
with_session thy (fn {name = sess_name, session, path, html_prefix, remote_path, ...} =>
let
val name = Context.theory_name thy;
val parents = Theory.parents_of thy;
val parent_specs = map (parent_link remote_path path) parents;
val files_html = files |> map (fn (raw_path, loadit) =>
let
val path = #1 (Thy_Load.check_file [dir] raw_path);
val base = Path.base path;
val base_html = html_ext base;
val _ = add_file (Path.append html_prefix base_html,
HTML.external_file (Url.File base) (File.read path));
in (Url.File base_html, Url.File raw_path, loadit) end);
fun prep_html_source (tex_source, html_source, html) =
let
val txt = HTML.begin_theory (Url.File index_path, session)
name parent_specs files_html (Buffer.content html_source)
in (tex_source, Buffer.empty, Buffer.add txt html) end;
val entry =
{name = name, ID = ID_of path name, dir = sess_name, unfold = true,
path = Path.implode (html_path name),
parents = map ID_of_thy parents};
in
change_theory_info name prep_html_source;
add_graph_entry (update_time, entry);
add_html_index (update_time, HTML.theory_entry (Url.File (html_path name), name));
add_tex_index (update_time, Latex.theory_entry name);
put_info {name = sess_name, session = path, is_local = is_some remote_path} thy
end);
(** draft document output **)
fun drafts doc_format src_paths =
let
fun prep_draft path i =
let
val base = Path.base path;
val name =
(case Path.implode (#1 (Path.split_ext base)) of
"" => "DUMMY" ^ serial_string ()
| s => s);
in
if File.exists path then
(((name, base, File.read path), (i, Latex.theory_entry name)), i + 1)
else error ("Bad file: " ^ quote (Path.implode path))
end;
val (srcs, tex_index) = split_list (fst (fold_map prep_draft src_paths 0));
val doc_path = File.tmp_path document_path;
val result_path = Path.append doc_path Path.parent;
val _ = File.mkdir doc_path;
val root_path = Path.append doc_path (Path.basic "root.tex");
val _ = File.copy (Path.explode "~~/lib/texinputs/draft.tex") root_path;
val _ = File.isabelle_tool "latex" ("-o sty " ^ File.shell_path root_path);
val _ = File.isabelle_tool "latex" ("-o syms " ^ File.shell_path root_path);
fun known name =
let val ss = split_lines (File.read (Path.append doc_path (Path.basic name)))
in member (op =) ss end;
val known_syms = known "syms.lst";
val known_ctrls = known "ctrls.lst";
val _ = srcs |> List.app (fn (name, base, txt) =>
Symbol.explode txt
|> Latex.symbol_source (known_syms, known_ctrls) (Path.implode base)
|> File.write (Path.append doc_path (tex_path name)));
val _ = write_tex_index tex_index doc_path;
in isabelle_document false doc_format documentN "" doc_path result_path end;
end;
structure Basic_Present: BASIC_PRESENT = Present;
open Basic_Present;