(* Title: Pure/ProofGeneral/proof_general_emacs.ML
ID: $Id$
Author: David Aspinall and Markus Wenzel
Isabelle/Isar configuration for Emacs Proof General.
See http://proofgeneral.inf.ed.ac.uk
*)
signature PROOF_GENERAL =
sig
val init: bool -> unit
val write_keywords: string -> unit
end;
structure ProofGeneral: PROOF_GENERAL =
struct
structure P = OuterParse;
(* print modes *)
val proof_generalN = "ProofGeneralEmacs"; (*token markup (colouring vars, etc.)*)
val pgasciiN = "PGASCII"; (*plain 7-bit ASCII communication*)
val thm_depsN = "thm_deps"; (*meta-information about theorem deps*)
fun special oct =
if Output.has_mode pgasciiN then chr 1 ^ chr (ord (oct_char oct) - 167)
else oct_char oct;
(* text output: print modes for xsymbol *)
local
fun xsym_output "\\" = "\\\\"
| xsym_output s = if Symbol.is_raw s then Symbol.decode_raw s else s;
fun xsymbols_output s =
if Output.has_mode Symbol.xsymbolsN andalso exists_string (equal "\\") s then
let val syms = Symbol.explode s
in (implode (map xsym_output syms), real (Symbol.length syms)) end
else Symbol.default_output s;
in
fun setup_xsymbols_output () =
Output.add_mode Symbol.xsymbolsN
(xsymbols_output, K xsymbols_output, Symbol.default_indent, Symbol.encode_raw);
end;
(* token translations *)
local
fun end_tag () = special "350";
val class_tag = ("class", fn () => special "351");
val tfree_tag = ("tfree", fn () => special "352");
val tvar_tag = ("tvar", fn () => special "353");
val free_tag = ("free", fn () => special "354");
val bound_tag = ("bound", fn () => special "355");
val var_tag = ("var", fn () => special "356");
val skolem_tag = ("skolem", fn () => special "357");
fun xml_atom kind x = XML.element "atom" [("kind", kind)] [XML.text x];
fun tagit (kind, bg_tag) x =
(bg_tag () ^ x ^ end_tag (), real (Symbol.length (Symbol.explode x)));
fun free_or_skolem x =
(case try Name.dest_skolem x of
NONE => tagit free_tag x
| SOME x' => tagit skolem_tag x');
fun var_or_skolem s =
(case Syntax.read_variable s of
SOME (x, i) =>
(case try Name.dest_skolem x of
NONE => tagit var_tag s
| SOME x' => tagit skolem_tag
(setmp show_question_marks true Syntax.string_of_vname (x', i)))
| NONE => tagit var_tag s);
val proof_general_trans =
Syntax.tokentrans_mode proof_generalN
[("class", tagit class_tag),
("tfree", tagit tfree_tag),
("tvar", tagit tvar_tag),
("free", free_or_skolem),
("bound", tagit bound_tag),
("var", var_or_skolem)];
in
val _ = Context.add_setup (Theory.add_tokentrfuns proof_general_trans);
end;
(* messages and notification *)
fun decorate bg en prfx =
writeln_default o enclose bg en o prefix_lines prfx;
fun setup_messages () =
(writeln_fn := (fn s => decorate "" "" "" s);
priority_fn := (fn s => decorate (special "360") (special "361") "" s);
tracing_fn := (fn s => decorate (special "360" ^ special "375") (special "361") "" s);
info_fn := (fn s => decorate (special "362") (special "363") "+++ " s);
debug_fn := (fn s => decorate (special "362") (special "363") "+++ " s);
warning_fn := (fn s => decorate (special "362") (special "363") "### " s);
error_fn := (fn s => decorate (special "364") (special "365") "*** " s);
panic_fn := (fn s => decorate (special "364") (special "365") "!!! " s));
fun emacs_notify s = decorate (special "360") (special "361") "" s;
fun tell_clear_goals () =
emacs_notify "Proof General, please clear the goals buffer.";
fun tell_clear_response () =
emacs_notify "Proof General, please clear the response buffer.";
fun tell_file_loaded path =
emacs_notify ("Proof General, this file is loaded: " ^ quote (File.platform_path path));
fun tell_file_retracted path =
emacs_notify ("Proof General, you can unlock the file " ^ quote (File.platform_path path));
(* theory / proof state output *)
local
fun tmp_markers f =
setmp Display.current_goals_markers (special "366", special "367", "") f ();
fun print_current_goals n m st =
tmp_markers (fn () => Display.print_current_goals_default n m st);
fun print_state b st =
tmp_markers (fn () => Toplevel.print_state_default b st);
in
fun setup_state () =
(Display.print_current_goals_fn := print_current_goals;
Toplevel.print_state_fn := print_state;
Toplevel.prompt_state_fn :=
(fn s => suffix (special "372") (Toplevel.prompt_state_default s)));
end;
(* theory loader actions *)
local
fun trace_action action name =
if action = ThyInfo.Update then
List.app tell_file_loaded (ThyInfo.loaded_files name)
else if action = ThyInfo.Outdate orelse action = ThyInfo.Remove then
List.app tell_file_retracted (ThyInfo.loaded_files name)
else ();
in
fun setup_thy_loader () = ThyInfo.add_hook trace_action;
fun sync_thy_loader () = List.app (trace_action ThyInfo.Update) (ThyInfo.names ());
end;
(* get informed about files *)
val thy_name = Path.implode o #1 o Path.split_ext o Path.base o Path.explode;
val inform_file_retracted = ThyInfo.if_known_thy ThyInfo.remove_thy o thy_name;
val inform_file_processed = ThyInfo.if_known_thy ThyInfo.touch_child_thys o thy_name;
val openfile_retract = Output.no_warnings (ThyInfo.if_known_thy ThyInfo.remove_thy) o thy_name;
fun proper_inform_file_processed file state =
let val name = thy_name file in
if Toplevel.is_toplevel state andalso ThyInfo.known_thy name then
(ThyInfo.touch_child_thys name;
ThyInfo.pretend_use_thy_only name handle ERROR msg =>
(warning msg; warning ("Failed to register theory: " ^ quote name);
tell_file_retracted (Path.base (Path.explode file))))
else raise Toplevel.UNDEF
end;
fun vacuous_inform_file_processed file state =
(warning ("No theory " ^ quote (thy_name file));
tell_file_retracted (Path.base (Path.explode file)));
(* restart top-level loop (keeps most state information) *)
val welcome = priority o Session.welcome;
fun restart () =
(sync_thy_loader ();
tell_clear_goals ();
tell_clear_response ();
welcome ();
raise Toplevel.RESTART);
(* theorem dependency output *)
local
val spaces_quote = space_implode " " o map quote;
fun thm_deps_message (thms, deps) =
emacs_notify ("Proof General, theorem dependencies of " ^ thms ^ " are " ^ deps);
(* FIXME: check this uses non-transitive closure function here *)
fun tell_thm_deps ths = conditional (Output.has_mode thm_depsN) (fn () =>
let
val names = filter_out (equal "") (map PureThy.get_name_hint ths);
val deps = filter_out (equal "")
(Symtab.keys (fold Proofterm.thms_of_proof
(map Thm.proof_of ths) Symtab.empty));
in
if null names orelse null deps then ()
else thm_deps_message (spaces_quote names, spaces_quote deps)
end);
in
fun setup_present_hook () =
Present.add_hook (fn _ => fn res => tell_thm_deps (maps #2 res));
end;
(* additional outer syntax for Isar *)
local structure P = OuterParse and K = OuterKeyword in
val undoP = (*undo without output*)
OuterSyntax.improper_command "ProofGeneral.undo" "(internal)" K.control
(Scan.succeed (Toplevel.no_timing o IsarCmd.undo));
val restartP =
OuterSyntax.improper_command "ProofGeneral.restart" "(internal)" K.control
(P.opt_unit >> (Toplevel.no_timing oo K (Toplevel.imperative restart)));
val kill_proofP =
OuterSyntax.improper_command "ProofGeneral.kill_proof" "(internal)" K.control
(Scan.succeed (Toplevel.no_timing o IsarCmd.kill_proof_notify tell_clear_goals));
val inform_file_processedP =
OuterSyntax.improper_command "ProofGeneral.inform_file_processed" "(internal)" K.control
(P.name >> (fn file => Toplevel.no_timing o
Toplevel.keep (vacuous_inform_file_processed file) o
Toplevel.kill o
Toplevel.keep (proper_inform_file_processed file)));
val inform_file_retractedP =
OuterSyntax.improper_command "ProofGeneral.inform_file_retracted" "(internal)" K.control
(P.name >> (Toplevel.no_timing oo
(fn file => Toplevel.imperative (fn () => inform_file_retracted file))));
val process_pgipP =
OuterSyntax.improper_command "ProofGeneral.process_pgip" "(internal)" K.control
(P.text >> (Toplevel.no_timing oo
(fn txt => Toplevel.imperative (fn () => ProofGeneralPgip.process_pgip txt))));
fun init_outer_syntax () = OuterSyntax.add_parsers
[undoP, restartP, kill_proofP, inform_file_processedP, inform_file_retractedP, process_pgipP];
end;
(* init *)
val initialized = ref false;
fun init false =
Output.panic "Proof General support no longer available for Isabelle/classic mode."
| init true =
(conditional (not (! initialized)) (fn () =>
(setmp warning_fn (K ()) init_outer_syntax ();
setup_xsymbols_output ();
setup_messages ();
ProofGeneralPgip.init_pgip_channel (! priority_fn);
setup_state ();
setup_thy_loader ();
setup_present_hook ();
set initialized; ()));
sync_thy_loader ();
change print_mode (cons proof_generalN o remove (op =) proof_generalN);
ml_prompts "ML> " "ML# ";
Isar.sync_main ());
(** generate elisp file for keyword classification **)
local
val regexp_meta = member (op =) (explode ".*+?[]^$");
val regexp_quote = translate_string (fn c => if regexp_meta c then "\\\\" ^ c else c);
fun defconst name strs =
"\n(defconst isar-keywords-" ^ name ^
"\n '(" ^ space_implode "\n " (map (quote o regexp_quote) strs) ^ "))\n";
fun make_elisp_commands commands kind = defconst kind
(commands |> map_filter (fn (c, _, k, _) => if k = kind then SOME c else NONE));
fun make_elisp_syntax (keywords, commands) =
";;\n\
\;; Keyword classification tables for Isabelle/Isar.\n\
\;; This file was generated by " ^ Session.name () ^ " -- DO NOT EDIT!\n\
\;;\n\
\;; $" ^ "Id$\n\
\;;\n" ^
defconst "major" (map #1 commands) ^
defconst "minor" (filter Syntax.is_identifier keywords) ^
implode (map (make_elisp_commands commands) OuterKeyword.kinds) ^
"\n(provide 'isar-keywords)\n";
in
fun write_keywords s =
(init_outer_syntax ();
File.write (Path.explode ("isar-keywords" ^ (if s = "" then "" else "-" ^ s) ^".el"))
(make_elisp_syntax (OuterSyntax.dest_keywords (), OuterSyntax.dest_parsers ())));
end;
end;