author | wenzelm |
Mon, 25 Oct 2010 21:06:56 +0200 | |
changeset 40132 | 7ee65dbffa31 |
parent 39733 | 6d373e9dcb9d |
child 40133 | b61d52de66f0 |
permissions | -rw-r--r-- |
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(* Title: Pure/ProofGeneral/proof_general_emacs.ML |
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Author: David Aspinall and Markus Wenzel |
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Isabelle/Isar configuration for Emacs Proof General. |
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See also http://proofgeneral.inf.ed.ac.uk |
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*) |
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signature PROOF_GENERAL = |
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sig |
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val test_markupN: string |
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val sendback: string -> Pretty.T list -> unit |
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val init: bool -> unit |
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structure ThyLoad: sig val add_path: string -> unit end |
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end; |
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structure ProofGeneral: PROOF_GENERAL = |
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struct |
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(* print modes *) |
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val thm_depsN = "thm_deps"; (*meta-information about theorem deps*) |
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val test_markupN = "test_markup"; (*XML markup for everything*) |
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fun special ch = Symbol.SOH ^ ch; |
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(* render markup *) |
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local |
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fun render_trees ts = fold render_tree ts |
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and render_tree (XML.Text s) = Buffer.add s |
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| render_tree (XML.Elem ((name, props), ts)) = |
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let |
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val (bg1, en1) = |
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if name <> Markup.promptN andalso print_mode_active test_markupN |
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then XML.output_markup (name, props) |
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else Markup.no_output; |
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val (bg2, en2) = |
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if null ts then Markup.no_output |
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else if name = Markup.stateN then (special "O" ^ "\n", "\n" ^ special "P") |
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else if name = Markup.sendbackN then (special "W", special "X") |
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else if name = Markup.hiliteN then (special "0", special "1") |
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else if name = Markup.tclassN then (special "B", special "A") |
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else if name = Markup.tfreeN then (special "C", special "A") |
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else if name = Markup.tvarN then (special "D", special "A") |
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else if name = Markup.freeN then (special "E", special "A") |
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else if name = Markup.boundN then (special "F", special "A") |
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else if name = Markup.varN then (special "G", special "A") |
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else if name = Markup.skolemN then (special "H", special "A") |
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else Markup.no_output; |
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in |
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Buffer.add bg1 #> |
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Buffer.add bg2 #> |
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render_trees ts #> |
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Buffer.add en2 #> |
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Buffer.add en1 |
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end; |
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in |
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fun render text = |
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Buffer.content (render_trees (YXML.parse_body text) Buffer.empty); |
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end; |
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(* messages *) |
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fun message bg en prfx text = |
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(case render text of |
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"" => () |
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| s => Output.raw_writeln (enclose bg en (prefix_lines prfx s))); |
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fun setup_messages () = |
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(Output.writeln_fn := message "" "" ""; |
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Output.status_fn := (fn _ => ()); |
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Output.report_fn := (fn _ => ()); |
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Output.urgent_message_fn := message (special "I") (special "J") ""; |
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Output.tracing_fn := message (special "I" ^ special "V") (special "J") ""; |
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Output.warning_fn := message (special "K") (special "L") "### "; |
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Output.error_fn := message (special "M") (special "N") "*** "; |
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Output.prompt_fn := (fn s => Output.raw_stdout (render s ^ special "S"))); |
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fun panic s = |
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(message (special "M") (special "N") "!!! " ("## SYSTEM EXIT ##\n" ^ s); exit 1); |
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(* notification *) |
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val emacs_notify = message (special "I") (special "J") ""; |
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fun tell_clear_goals () = |
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emacs_notify "Proof General, please clear the goals buffer."; |
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fun tell_clear_response () = |
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emacs_notify "Proof General, please clear the response buffer."; |
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fun tell_file_loaded path = |
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emacs_notify ("Proof General, this file is loaded: " ^ quote (File.platform_path path)); |
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fun tell_file_retracted path = |
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emacs_notify ("Proof General, you can unlock the file " ^ quote (File.platform_path path)); |
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fun sendback heading prts = |
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Pretty.writeln (Pretty.big_list heading [Pretty.markup Markup.sendback prts]); |
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(* theory loader actions *) |
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local |
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fun trace_action action name = |
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if action = Thy_Info.Update then |
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List.app tell_file_loaded (Thy_Info.loaded_files name) |
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else if action = Thy_Info.Remove then |
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List.app tell_file_retracted (Thy_Info.loaded_files name) |
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else (); |
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in |
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fun setup_thy_loader () = Thy_Info.add_hook trace_action; |
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fun sync_thy_loader () = List.app (trace_action Thy_Info.Update) (Thy_Info.get_names ()); |
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end; |
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(* get informed about files *) |
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(*liberal low-level version*) |
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val thy_name = perhaps (try (unsuffix ".thy")) o List.last o space_explode "/"; |
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parents:
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val inform_file_retracted = Thy_Info.kill_thy o thy_name; |
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fun inform_file_processed file = |
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let |
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val name = thy_name file; |
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val _ = name = "" andalso error ("Bad file name: " ^ quote file); |
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val _ = |
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parents:
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Thy_Info.register_thy (Toplevel.end_theory Position.none (Isar.state ())) |
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handle ERROR msg => |
3ceccd415145
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(warning (cat_lines ["Failed to register theory: " ^ quote name, msg]); |
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tell_file_retracted (Thy_Header.thy_path name)) |
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val _ = Isar.init (); |
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in () end; |
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(* restart top-level loop (keeps most state information) *) |
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val welcome = Output.urgent_message o Session.welcome; |
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fun restart () = |
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(sync_thy_loader (); |
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tell_clear_goals (); |
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tell_clear_response (); |
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Isar.init (); |
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welcome ()); |
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(* theorem dependency output *) |
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local |
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val spaces_quote = space_implode " " o map quote; |
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fun thm_deps_message (thms, deps) = |
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emacs_notify ("Proof General, theorem dependencies of " ^ thms ^ " are " ^ deps); |
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theorem dependency output: Toplevel.add_hook, ProofGeneralPgip.new_thms_deps;
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in |
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fun setup_present_hook () = Toplevel.add_hook (fn _ => fn state => fn state' => |
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if print_mode_active thm_depsN andalso |
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can Toplevel.theory_of state andalso Toplevel.is_theory state' |
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then |
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let val (names, deps) = |
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ProofGeneralPgip.new_thms_deps (Toplevel.theory_of state) (Toplevel.theory_of state') |
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in |
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if null names orelse null deps then () |
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else thm_deps_message (spaces_quote names, spaces_quote deps) |
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end |
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else ()); |
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end; |
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(* additional outer syntax for Isar *) |
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val _ = |
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Outer_Syntax.improper_command "ProofGeneral.pr" "print state (internal)" Keyword.diag |
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(Scan.succeed (Toplevel.no_timing o Toplevel.keep (fn state => |
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if Toplevel.is_toplevel state orelse Toplevel.is_theory state then tell_clear_goals () |
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else (Toplevel.quiet := false; Toplevel.print_state true state)))); |
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val _ = (*undo without output -- historical*) |
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Outer_Syntax.improper_command "ProofGeneral.undo" "(internal)" Keyword.control |
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(Scan.succeed (Toplevel.no_timing o Toplevel.imperative (fn () => Isar.undo 1))); |
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val _ = |
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Outer_Syntax.improper_command "ProofGeneral.restart" "(internal)" Keyword.control |
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(Parse.opt_unit >> (Toplevel.no_timing oo K (Toplevel.imperative restart))); |
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val _ = |
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Outer_Syntax.improper_command "ProofGeneral.kill_proof" "(internal)" Keyword.control |
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(Scan.succeed (Toplevel.no_timing o |
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Toplevel.imperative (fn () => (Isar.kill_proof (); tell_clear_goals ())))); |
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||
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val _ = |
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parents:
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Outer_Syntax.improper_command "ProofGeneral.inform_file_processed" "(internal)" Keyword.control |
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(Parse.name >> (fn file => |
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Toplevel.no_timing o Toplevel.imperative (fn () => inform_file_processed file))); |
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val _ = |
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Outer_Syntax.improper_command "ProofGeneral.inform_file_retracted" "(internal)" Keyword.control |
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(Parse.name >> (Toplevel.no_timing oo |
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(fn file => Toplevel.imperative (fn () => inform_file_retracted file)))); |
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(* init *) |
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val initialized = Unsynchronized.ref false; |
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fun init false = panic "No Proof General interface support for Isabelle/classic mode." |
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| init true = |
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(if ! initialized then () |
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224 |
else |
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225 |
(Output.add_mode Symbol.xsymbolsN Symbol.output Output.default_escape; |
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Output.add_mode ProofGeneralPgip.proof_general_emacsN |
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Output.default_output Output.default_escape; |
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Markup.add_mode ProofGeneralPgip.proof_general_emacsN YXML.output_markup; |
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setup_messages (); |
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ProofGeneralPgip.pgip_channel_emacs (! Output.urgent_message_fn); |
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231 |
setup_thy_loader (); |
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232 |
setup_present_hook (); |
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initialized := true); |
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sync_thy_loader (); |
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Unsynchronized.change print_mode (update (op =) ProofGeneralPgip.proof_general_emacsN); |
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Secure.PG_setup (); |
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Isar.toplevel_loop TextIO.stdIn |
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{init = true, welcome = true, sync = true, secure = Secure.is_secure ()}); |
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|
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(* fake old ThyLoad -- with new semantics *) |
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|
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structure ThyLoad = |
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struct |
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val add_path = Thy_Load.set_master_path o Path.explode; |
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end; |
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|
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end; |