--- a/src/Pure/ProofGeneral/proof_general.ML Wed May 15 20:28:43 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,468 +0,0 @@
-(* Title: Pure/ProofGeneral/proof_general.ML
- Author: David Aspinall
- Author: Makarius
-
-Isabelle/Isar configuration for Proof General / Emacs.
-See also http://proofgeneral.inf.ed.ac.uk
-*)
-
-signature PROOF_GENERAL =
-sig
- type category = string
- val category_display: category
- val category_advanced_display: category
- val category_tracing: category
- val category_proof: category
- type pgiptype = string
- val pgipbool: pgiptype
- val pgipint: pgiptype
- val pgipfloat: pgiptype
- val pgipstring: pgiptype
- val preference_raw: category ->
- (unit -> string) -> (string -> unit) -> string -> string -> string -> unit
- val preference_bool: category -> bool Unsynchronized.ref -> string -> string -> unit
- val preference_int: category -> int Unsynchronized.ref -> string -> string -> unit
- val preference_real: category -> real Unsynchronized.ref -> string -> string -> unit
- val preference_string: category -> string Unsynchronized.ref -> string -> string -> unit
- val preference_option: category -> string -> string -> string -> unit
- structure ThyLoad: sig val add_path: string -> unit end
- val init: unit -> unit
- val thm_depsN: string
-end;
-
-structure ProofGeneral: PROOF_GENERAL =
-struct
-
-(** preferences **)
-
-(* type preference *)
-
-type category = string;
-val category_display = "Display";
-val category_advanced_display = "Advanced Display";
-val category_tracing = "Tracing";
-val category_proof = "Proof";
-
-type pgiptype = string;
-val pgipbool = "pgipbool";
-val pgipint = "pgipint";
-val pgipfloat = "pgipint"; (*NB: PG 3.7.x and 4.0 lack pgipfloat, but accept floats as pgipint*)
-val pgipstring = "pgipstring";
-
-type preference =
- {name: string,
- descr: string,
- default: string,
- pgiptype: pgiptype,
- get: unit -> string,
- set: string -> unit};
-
-
-(* global preferences *)
-
-local
- val preferences =
- Synchronized.var "ProofGeneral.preferences"
- ([(category_display, []),
- (category_advanced_display, []),
- (category_tracing, []),
- (category_proof, [])]: (category * preference list) list);
-in
-
-fun add_preference category (pref: preference) =
- Synchronized.change preferences (map (fn (cat, prefs) =>
- if cat <> category then (cat, prefs)
- else
- if exists (fn {name, ...} => name = #name pref) prefs
- then (warning ("Preference already exists: " ^ quote (#name pref)); (cat, prefs))
- else (cat, prefs @ [pref])));
-
-fun get_preferences () = Synchronized.value preferences;
-
-end;
-
-fun set_preference name value =
- let val prefs = map (`(#name)) (maps snd (get_preferences ())) in
- (case AList.lookup (op =) prefs name of
- SOME {set, ...} => set value
- | NONE => error ("Unknown prover preference: " ^ quote name))
- end;
-
-
-(* raw preferences *)
-
-fun preference_raw category raw_get raw_set typ name descr =
- let
- fun get () = CRITICAL raw_get;
- fun set x = CRITICAL (fn () => raw_set x);
- val pref = {name = name, descr = descr, pgiptype = typ, get = get, set = set, default = get ()};
- in add_preference category pref end;
-
-fun preference_ref category read write typ r =
- preference_raw category (fn () => read (! r)) (fn x => r := write x) typ;
-
-fun preference_bool category = preference_ref category Markup.print_bool Markup.parse_bool pgipbool;
-fun preference_int category = preference_ref category Markup.print_int Markup.parse_int pgipint;
-fun preference_real category = preference_ref category Markup.print_real Markup.parse_real pgipfloat;
-fun preference_string category = preference_ref category I I pgipstring;
-
-
-(* system options *)
-
-fun preference_option category option_name pgip_name descr =
- let
- val typ = Options.default_typ option_name;
- val pgiptype =
- if typ = Options.boolT then pgipbool
- else if typ = Options.intT then pgipint
- else if typ = Options.realT then pgipfloat
- else pgipstring;
- in
- add_preference category
- {name = pgip_name,
- descr = descr,
- default = Options.get_default option_name,
- pgiptype = pgiptype,
- get = fn () => Options.get_default option_name,
- set = Options.put_default option_name}
- end;
-
-
-(* minimal PGIP support for <askprefs>, <haspref>, <setpref> *)
-
-local
-
-fun get_attr attrs name =
- (case Properties.get attrs name of
- SOME value => value
- | NONE => raise Fail ("Missing attribute: " ^ quote name));
-
-fun attr x y = [(x, y)] : XML.attributes;
-
-fun opt_attr _ NONE = []
- | opt_attr name (SOME value) = attr name value;
-
-val pgip_id = "dummy";
-val pgip_serial = Synchronized.counter ();
-
-fun output_pgip refid refseq content =
- XML.Elem (("pgip",
- attr "tag" "Isabelle/Isar" @
- attr "id" pgip_id @
- opt_attr "destid" refid @
- attr "class" "pg" @
- opt_attr "refid" refid @
- attr "refseq" refseq @
- attr "seq" (string_of_int (pgip_serial ()))), content)
- |> XML.string_of
- |> Output.urgent_message;
-
-
-fun invalid_pgip () = raise Fail "Invalid PGIP packet";
-
-fun haspref ({name, descr, default, pgiptype, ...}: preference) =
- XML.Elem (("haspref", [("name", name), ("descr", descr), ("default", default)]),
- [XML.Elem ((pgiptype, []), [])]);
-
-fun process_element refid refseq (XML.Elem (("askprefs", _), _)) =
- get_preferences () |> List.app (fn (category, prefs) =>
- output_pgip refid refseq
- [XML.Elem (("hasprefs", [("prefcategory", category)]), map haspref prefs)])
- | process_element _ _ (XML.Elem (("setpref", attrs), data)) =
- let
- val name =
- (case Properties.get attrs "name" of
- SOME name => name
- | NONE => invalid_pgip ());
- val value = XML.content_of data;
- in set_preference name value end
- | process_element _ _ _ = invalid_pgip ();
-
-in
-
-fun process_pgip str =
- (case XML.parse str of
- XML.Elem (("pgip", attrs), pgips) =>
- let
- val class = get_attr attrs "class";
- val dest = Properties.get attrs "destid";
- val refid = Properties.get attrs "id";
- val refseq = get_attr attrs "seq";
- val processit =
- (case dest of
- NONE => class = "pa"
- | SOME id => id = pgip_id);
- in if processit then List.app (process_element refid refseq) pgips else () end
- | _ => invalid_pgip ())
- handle Fail msg => raise Fail (msg ^ "\n" ^ str);
-
-end;
-
-
-(** messages **)
-
-(* render markup *)
-
-fun special ch = chr 1 ^ ch;
-
-local
-
-fun render_trees ts = fold render_tree ts
-and render_tree t =
- (case XML.unwrap_elem t of
- SOME (_, ts) => render_trees ts
- | NONE =>
- (case t of
- XML.Text s => Buffer.add s
- | XML.Elem ((name, props), ts) =>
- let
- val (bg, en) =
- if null ts then Markup.no_output
- else if name = Markup.stateN then (special "O" ^ "\n", "\n" ^ special "P")
- else if name = Markup.sendbackN then (special "W", special "X")
- else if name = Markup.intensifyN then (special "0", special "1")
- else if name = Markup.tfreeN then (special "C", special "A")
- else if name = Markup.tvarN then (special "D", special "A")
- else if name = Markup.freeN then (special "E", special "A")
- else if name = Markup.boundN then (special "F", special "A")
- else if name = Markup.varN then (special "G", special "A")
- else if name = Markup.skolemN then (special "H", special "A")
- else
- (case Markup.get_entity_kind (name, props) of
- SOME kind =>
- if kind = Markup.classN then (special "B", special "A")
- else Markup.no_output
- | NONE => Markup.no_output);
- in Buffer.add bg #> render_trees ts #> Buffer.add en end));
-
-in
-
-fun render text =
- Buffer.content (render_trees (YXML.parse_body text) Buffer.empty);
-
-end;
-
-
-(* hooks *)
-
-fun message bg en prfx text =
- (case render text of
- "" => ()
- | s => Output.physical_writeln (enclose bg en (prefix_lines prfx s)));
-
-fun setup_messages () =
- (Output.Private_Hooks.writeln_fn := message "" "" "";
- Output.Private_Hooks.status_fn := (fn _ => ());
- Output.Private_Hooks.report_fn := (fn _ => ());
- Output.Private_Hooks.urgent_message_fn := message (special "I") (special "J") "";
- Output.Private_Hooks.tracing_fn := message (special "I" ^ special "V") (special "J") "";
- Output.Private_Hooks.warning_fn := message (special "K") (special "L") "### ";
- Output.Private_Hooks.error_fn := (fn (_, s) => message (special "M") (special "N") "*** " s);
- Output.Private_Hooks.prompt_fn := (fn s => Output.physical_stdout (render s ^ special "S")));
-
-
-(* notification *)
-
-val emacs_notify = message (special "I") (special "J") "";
-
-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 loader **)
-
-(* fake old ThyLoad -- with new semantics *)
-
-structure ThyLoad =
-struct
- val add_path = Thy_Load.set_master_path o Path.explode;
-end;
-
-
-(* actions *)
-
-local
-
-fun trace_action action name =
- if action = Thy_Info.Update then
- List.app tell_file_loaded (Thy_Info.loaded_files name)
- else if action = Thy_Info.Remove then
- List.app tell_file_retracted (Thy_Info.loaded_files name)
- else ();
-
-in
- fun setup_thy_loader () = Thy_Info.add_hook trace_action;
- fun sync_thy_loader () = List.app (trace_action Thy_Info.Update) (Thy_Info.get_names ());
-end;
-
-
-(* get informed about files *)
-
-(*liberal low-level version*)
-val thy_name = perhaps (try (unsuffix ".thy")) o List.last o space_explode "/";
-
-val inform_file_retracted = Thy_Info.kill_thy o thy_name;
-
-fun inform_file_processed file =
- let
- val name = thy_name file;
- val _ = name = "" andalso error ("Bad file name: " ^ quote file);
- val _ =
- Thy_Info.register_thy (Toplevel.end_theory Position.none (Isar.state ()))
- handle ERROR msg =>
- (warning (cat_lines ["Failed to register theory: " ^ quote name, msg]);
- tell_file_retracted (Thy_Load.thy_path (Path.basic name)))
- val _ = Isar.init ();
- in () end;
-
-
-(* restart top-level loop (keeps most state information) *)
-
-val welcome = Output.urgent_message o Session.welcome;
-
-fun restart () =
- (sync_thy_loader ();
- tell_clear_goals ();
- tell_clear_response ();
- Isar.init ();
- welcome ());
-
-
-(** theorem dependencies **)
-
-(* thm_deps *)
-
-local
-
-fun add_proof_body (PBody {thms, ...}) =
- thms |> fold (fn (_, (name, _, _)) => name <> "" ? Symtab.update (name, ()));
-
-fun add_thm th =
- (case Thm.proof_body_of th of
- PBody {proof = PThm (_, ((name, _, _), body)), ...} =>
- if Thm.has_name_hint th andalso Thm.get_name_hint th = name
- then add_proof_body (Future.join body)
- else I
- | body => add_proof_body body);
-
-in
-
-fun thm_deps ths =
- let
- (* FIXME proper derivation names!? *)
- val names = map Thm.get_name_hint (filter Thm.has_name_hint ths);
- val deps = Symtab.keys (fold add_thm ths Symtab.empty);
- in (names, deps) end;
-
-end;
-
-
-(* report via hook *)
-
-val thm_depsN = "thm_deps";
-
-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);
-
-in
-
-fun setup_present_hook () = Toplevel.add_hook (fn _ => fn state => fn state' =>
- if print_mode_active thm_depsN andalso
- can Toplevel.theory_of state andalso Toplevel.is_theory state'
- then
- let
- val prev_facts = Global_Theory.facts_of (Toplevel.theory_of state);
- val facts = Global_Theory.facts_of (Toplevel.theory_of state');
- val (names, deps) = thm_deps (maps #2 (Facts.dest_static [prev_facts] facts));
- in
- if null names orelse null deps then ()
- else thm_deps_message (spaces_quote names, spaces_quote deps)
- end
- else ());
-
-end;
-
-
-
-(** Isar command syntax **)
-
-val _ =
- Outer_Syntax.improper_command
- (("ProofGeneral.process_pgip", Keyword.control), Position.none) "(internal)"
- (Parse.text >> (fn str => Toplevel.imperative (fn () => process_pgip str)));
-
-val _ =
- Outer_Syntax.improper_command
- (("ProofGeneral.pr", Keyword.diag), Position.none) "print state (internal)"
- (Scan.succeed (Toplevel.keep (fn state =>
- if Toplevel.is_toplevel state orelse Toplevel.is_theory state then tell_clear_goals ()
- else (Toplevel.quiet := false; Toplevel.print_state true state))));
-
-val _ = (*undo without output -- historical*)
- Outer_Syntax.improper_command
- (("ProofGeneral.undo", Keyword.control), Position.none) "(internal)"
- (Scan.succeed (Toplevel.imperative (fn () => Isar.undo 1)));
-
-val _ =
- Outer_Syntax.improper_command
- (("ProofGeneral.restart", Keyword.control), Position.none) "(internal)"
- (Parse.opt_unit >> (K (Toplevel.imperative restart)));
-
-val _ =
- Outer_Syntax.improper_command
- (("ProofGeneral.kill_proof", Keyword.control), Position.none) "(internal)"
- (Scan.succeed (Toplevel.imperative (fn () => (Isar.kill_proof (); tell_clear_goals ()))));
-
-val _ =
- Outer_Syntax.improper_command
- (("ProofGeneral.inform_file_processed", Keyword.control), Position.none) "(internal)"
- (Parse.name >> (fn file => Toplevel.imperative (fn () => inform_file_processed file)));
-
-val _ =
- Outer_Syntax.improper_command
- (("ProofGeneral.inform_file_retracted", Keyword.control), Position.none) "(internal)"
- (Parse.name >> (fn file => Toplevel.imperative (fn () => inform_file_retracted file)));
-
-
-
-(** init **)
-
-val proof_general_emacsN = "ProofGeneralEmacs";
-
-val initialized = Unsynchronized.ref false;
-
-fun init () =
- (if ! initialized then ()
- else
- (Output.add_mode Symbol.xsymbolsN Symbol.output Output.default_escape;
- Output.add_mode proof_general_emacsN
- Output.default_output Output.default_escape;
- Markup.add_mode proof_general_emacsN YXML.output_markup;
- setup_messages ();
- setup_thy_loader ();
- setup_present_hook ();
- initialized := true);
- sync_thy_loader ();
- Unsynchronized.change print_mode (update (op =) proof_general_emacsN);
- Secure.PG_setup ();
- Isar.toplevel_loop TextIO.stdIn
- {init = true, welcome = true, sync = true, secure = Secure.is_secure ()});
-
-end;
-
-
-