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;; hol-light.el Basic Proof General instance for HOL Light
;;
;; Copyright (C) 2010-12 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
(defcustom hol-light-home "/home/da/hol_light"
"*Directory holding the installation of HOL Light."
:type 'string
:group 'hol-light)
(defcustom hol-light-startup-cmds
(list (concat "#cd \"" hol-light-home "\"")
"#use \"hol.ml\"")
"*Commands used to start up a running HOL Light session."
:type '(list string)
:group 'hol-light)
(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-assistant-home-page "https://www.cl.cam.ac.uk/~jrh13/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 "current_goalstack:=[];;" ; for cleanliness
proof-showproof-command "p()"
proof-undo-n-times-cmd "(pg_repeat b %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
(concat
"^\\(" (regexp-quote "val it : goalstack = ") "\\)"
"\\(?:[0-9]*[0-9] subgoals? ([0-9]+ total)\\|No subgoals\\)")
proof-shell-annotated-prompt-regexp "# "
proof-shell-error-regexp
(proof-regexp-alt "Characters [0-9]+-[0-9]+:" "Exception: Failure")
proof-shell-init-cmd
(append hol-light-startup-cmds
'("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 ((let _ = b() in ()); 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"
?\| "."
?\* ". 23n"
?\( "()1"
?\) ")(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 all this 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
'("REFL" "TRANS" "MK_COMB" "ABS" "BETA" "BETA_CONV"
"ASSUME" "EQ_MP" "DEDUCT_ANTISYM_RULE" "INST_TYPE" "INST"
"TRUTH" "CONJ" "CONJUNCT1" "CONJUNCT2" "PINST" "PROVE_HYP"
"T_DEF" "TRUTH" "EQT_ELIM" "EQT_INTRO" "AND_DEF" "CONJ"
"CONJUNCT1" "CONJUNCT2" "CONJ_PAIR" "CONJUNCTS" "IMP_DEF" "MP"
"DISCH" "DISCH_ALL" "UNDISCH" "UNDISCH_ALL" "IMP_ANTISYM_RULE" "ADD_ASSUM"
"EQ_IMP_RULE" "IMP_TRANS" "FORALL_DEF" "SPEC" "SPECL" "SPEC_VAR"
"SPEC_ALL" "ISPEC" "ISPECL" "GEN" "GENL" "GEN_ALL th"
"EXISTS_DEF" "EXISTS" "SIMPLE_EXISTS" "CHOOSE" "SIMPLE_CHOOSE" "OR_DEF"
"DISJ1" "DISJ2" "DISJ_CASES" "SIMPLE_DISJ_CASES" "F_DEF" "NOT_DEF"
"NOT_ELIM" "NOT_INTRO" "EQF_INTRO" "EQF_ELIM" "CONTR" "EXISTS_UNIQUE_DEF"
"EXISTENCE"
"EQ_REFL" "REFL_CLAUSE" "EQ_SYM" "EQ_SYM_EQ" "EQ_TRANS"
"AC" "BETA_THM" "ABS_SIMP" "CONJ_ASSOC" "CONJ_SYM"
"CONJ_ACI" "DISJ_ASSOC" "DISJ_SYM" "DISJ_ACI" "IMP_CONJ"
"IMP_IMP" "IMP_CONJ_ALT" "LEFT_OR_DISTRIB" "RIGHT_OR_DISTRIB" "FORALL_SIMP"
"EXISTS_SIMP" "EQ_IMP" "EQ_CLAUSES" "NOT_CLAUSES_WEAK" "AND_CLAUSES"
"OR_CLAUSES" "IMP_CLAUSES" "IMP_EQ_CLAUSE" "EXISTS_UNIQUE_THM" "EXISTS_REFL"
"EXISTS_UNIQUE_REFL" "UNWIND_THM1" "UNWIND_THM2" "FORALL_UNWIND_THM2" "FORALL_UNWIND_THM1"
"SWAP_FORALL_THM" "SWAP_EXISTS_THM" "FORALL_AND_THM" "AND_FORALL_THM" "LEFT_AND_FORALL_THM"
"RIGHT_AND_FORALL_THM" "EXISTS_OR_THM" "OR_EXISTS_THM" "LEFT_OR_EXISTS_THM" "RIGHT_OR_EXISTS_THM"
"LEFT_EXISTS_AND_THM" "RIGHT_EXISTS_AND_THM" "TRIV_EXISTS_AND_THM"
"LEFT_AND_EXISTS_THM" "RIGHT_AND_EXISTS_THM"
"TRIV_AND_EXISTS_THM" "TRIV_FORALL_OR_THM"
"TRIV_OR_FORALL_THM" "RIGHT_IMP_FORALL_THM" "RIGHT_FORALL_IMP_THM"
"LEFT_IMP_EXISTS_THM" "LEFT_FORALL_IMP_THM" "TRIV_FORALL_IMP_THM"
"TRIV_EXISTS_IMP_THM" "EXISTS_UNIQUE_ALT" "EXISTS_UNIQUE")
hol-light-tactics
'("ABS_TAC" "ACCEPT_TAC" "ALL_TAC" "ANTS_TAC" "AP_TERM_TAC"
"AP_THM_TAC" "ASSUME_TAC" "BETA_TAC" "BINOP_TAC" "CHANGED_TAC"
"CHEAT_TAC" "CHOOSE_TAC" "CONJ_TAC" "CONTR_TAC" "CONV_TAC"
"DISCARD_TAC" "DISCH_TAC" "DISJ1_TAC" "DISJ2_TAC" "DISJ_CASES_TAC"
"EQ_TAC" "EXISTS_TAC" "FAIL_TAC" "GEN_TAC" "LABEL_TAC"
"MATCH_ACCEPT_TAC" "MATCH_MP_TAC " "META_EXISTS_TAC" "META_SPEC_TAC" "MK_COMB_TAC"
"MP_TAC" "NO_TAC" "RECALL_ACCEPT_TAC" "REFL_TAC" "REPLICATE_TAC"
"RULE_ASSUM_TAC " "SPEC_TAC" "STRIP_ASSUME_TAC" "STRIP_GOAL_THEN" "STRIP_TAC"
"STRUCT_CASES_TAC" "SUBGOAL_TAC" "SUBST1_TAC" "SUBST_ALL_TAC" "SUBST_VAR_TAC"
"UNDISCH_TAC" "X_CHOOSE_TAC" "X_GEN_TAC" "X_META_EXISTS_TAC")
hol-light-tacticals
'("ORELSE" "FIRST" "CHANGED_TAC" "THEN" "THENL"
"EVERY" "REPEAT" "MAP_EVERY"
"IMP_RES_THEN"
"FIND_ASSUM" "POP_ASSUM" "ASSUM_LIST" "EVERY_ASSUM" "FIRST_ASSUM"
"CONJUCTS_THEN" "DISJ_CASES_THEN" "DISCH_THEN" "X_CHOOSE_THEN" "MAP_EVERY"
"CHOOSE_THEN" "STRIP_THM_THEN" "SUBGOAL_THEN" "FREEZE_THEN")
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) 'proof-tactics-name-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 [FIXME: not yet HOL Light]
;;
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))
;;
;; Some decoration of the response output
;;
proof-goals-font-lock-keywords
(setq
proof-goals-font-lock-keywords
(list
;; Help system output
(cons (proof-ids-to-regexp
'("^----------[-]+$"
"SYNOPSIS" "DESCRIPTION" "FAILURE CONDITIONS"
"EXAMPLES" "SEE ALSO"))
'font-lock-keyword-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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