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;; hol-light.el Basic Proof General instance for HOL Light
;;
;; Copyright (C) 2010 LFCS Edinburgh, David Aspinall.
;;
;; Author: David Aspinall <David.Aspinall@ed.ac.uk>
;;
;; $Id$
;;
;; Needs improvement!
;;
;; See the README file in this directory for information.
(require 'proof-easy-config) ; easy configure mechanism
(require 'proof-syntax) ; functions for making regexps
(defvar hol-light-keywords nil)
(defvar hol-light-rules nil)
(defvar hol-light-tactics nil)
(defvar hol-light-tacticals nil)
(proof-easy-config 'hol-light "HOL Light"
proof-prog-name "ocaml"
proof-terminal-string ";;"
proof-script-comment-start "(*"
proof-script-comment-end "*)"
;; These are all approximations, of course.
proof-goal-command-regexp "^g[ `]"
proof-save-command-regexp "pg_top_thm_and_drop"
proof-goal-with-hole-regexp "let \\(\\([^ \t=]*\\)\\)[ \t]*=[ \t]*prove"
proof-save-with-hole-regexp "let \\(\\([^ \t=]*\\)\\)[ \t]*=[ \t]*top_thm()"
proof-non-undoables-regexp "b()" ; and others..
proof-goal-command "g `%s`;;"
proof-save-command "val %s = pg_top_thm_and_drop();;"
proof-kill-goal-command "drop();;"
proof-showproof-command "p()"
proof-undo-n-times-cmd "(pg_repeat backup %s; p());;"
proof-auto-multiple-files t
proof-shell-cd-cmd "#cd \"%s\""
proof-shell-filename-escapes '(("\\\\" . "\\\\") ("\"" . "\\\""))
proof-shell-interrupt-regexp "Interrupted"
proof-shell-start-goals-regexp
(proof-regexp-alt "Proof manager status"
"OK.."
"val it =\n")
proof-shell-end-goals-regexp
(proof-regexp-alt "^[ \t]*: GoalstackPure.goalstack"
"^[ \t]*: GoalstackPure.proofs")
proof-shell-quit-cmd "quit();"
proof-assistant-home-page
"http://www.cl.cam.ac.uk/Research/HVG/HOL/HOL.html"
proof-shell-annotated-prompt-regexp "# "
;; This one is nice but less reliable, I think.
;; "\\(> val it = () : unit\n\\)?- "
proof-shell-error-regexp "Characters [0-9]+-[0-9]+:"
proof-shell-init-cmd
'("#cd \"/Users/da/hol_light\""
"#use \"hol.ml\""
"let rec pg_repeat f n = match n with 0 -> () | _ -> (f(); pg_repeat f (n-1));;"
"let pg_top_thm_and_drop () = let t = top_thm() in (b(); t);;")
;; FIXME: add optional help topic parameter to help command.
proof-info-command "help \"hol\""
proof-shell-proof-completed-regexp "Initial goal proved"
;; FIXME: next one needs setting so that "urgent" messages are displayed
;; eagerly from HOL.
;; proof-shell-eager-annotation-start
proof-find-theorems-command "DB.match [] (%s);"
proof-forget-id-command ";" ;; vacuous: but empty string doesn't give
;; new prompt
;; We must force this to use ptys since mosml doesn't flush its output
;; (on Linux, presumably on Solaris too).
proof-shell-process-connection-type t
;;
;; Syntax table entries for proof scripts
;;
proof-script-syntax-table-entries
'(?\` "\""
?\$ "."
?\/ "."
?\\ "."
?+ "."
?- "."
?= "."
?% "."
?< "."
?> "."
?\& "."
?. "w"
?_ "w"
?\' "w"
?\| "."
?\* ". 23"
?\( "()1"
?\) ")(4")
;;
;; A few of the vast variety of keywords, tactics, tacticals,
;; for decorating proof scripts.
;;
;; In the future, PG will use a mechanism for passing identifier
;; lists like this from the proof assistant, we don't really
;; want to duplicate the information here!
;;
hol-light-keywords '("g" "expand" "e" "let" "store_thm" "top_thm" "by"
"Define" "xDefine" "Hol_defn"
"Induct" "Cases" "Cases_on" "Induct_on"
"std_ss" "arith_ss" "list_ss"
"define_type")
hol-light-rules '("ASSUME" "REFL" "BETA_CONV" "SUBST"
"ABS" "INST_TYPE" "DISCH" "MP"
"T_DEF" "FORALL_DEF" "AND_DEF" "OR_DEF" "F_DEF"
"NOT_DEF" "EXISTS_UNIQUE_DEF" "BOOL_CASES_AX"
"IMP_ANTISYM_AX" "ETA_AX" "SELECT_AX" "ONE_ONE_DEF"
"ONTO_DEF" "INFINITY_AX" "LET_DEF" "COND_DEF" "ARB_DEF")
hol-light-tactics '("ACCEPT_TAC" "ASSUME_TAC" "GEN_TAC"
"CONJ_TAC" "DISCH_TAC" "STRIP_TAC"
"SUBST_TAC" "ASM_CASES_TAC" "DISJ_CASES_TAC"
"REWRITE_TAC" "IMP_RES_TAC" "ALL_TAC" "NO_TAC"
"EQ_TAC" "EXISTS_TAC" "INDUCT_TAC"
"POP_ASM" "SUBST1_TAC" "ASSUM_LIST"
"PROVE" "PROVE_TAC" "DECIDE" "DECIDE_TAC" "RW_TAC"
"STP_TAC" "ZAP_TAC"
"EXISTS_TAC")
hol-light-tacticals '("ORELSE" "FIRST" "CHANGED_TAC" "THEN"
"THENL" "EVERY" "REPEAT"
"MAP_EVERY")
proof-script-font-lock-keywords
(list
(cons (proof-ids-to-regexp hol-light-keywords) 'font-lock-keyword-face)
(cons (proof-ids-to-regexp hol-light-tactics) 'font-lock-keyword-face)
; (cons (proof-ids-to-regexp hol-light-rules) 'font-lock-keyword-face)
(cons (proof-ids-to-regexp hol-light-tacticals) 'proof-tacticals-name-face))
;;
;; Some decoration of the goals output
;;
proof-goals-font-lock-keywords
(list
(cons (proof-ids-to-regexp '("Proof manager status"
"proof" "Incomplete"
"Initial goal proved"
"Initial goal"
"There are currently no proofs"
"OK"))
'font-lock-keyword-face)
(cons (regexp-quote "------------------------------------")
'font-lock-comment-face)
(cons ": GoalstackPure.goalstack" 'proof-boring-face)
(cons ": GoalstackPure.proofs" 'proof-boring-face)
(cons ": Thm.thm" 'proof-boring-face)
(cons "val it =" 'proof-boring-face))
;; End of easy config.
)
(warn "Hol Light Proof General is incomplete! Please help improve it!
Read the manual, make improvements, upload at http://proofgeneral.inf.ed.ac.uk/trac")
(provide 'hol-light)
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