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;; proof-site.el --- Configuration for site and choice of prover.
;;
;; Copyright (C) 1998 LFCS Edinburgh.
;; Authors: David Aspinall, Thomas Kleymann
;; Maintainer: LEGO Team <lego@dcs.ed.ac.uk>
;;
;; $Id$
;;
(or (featurep 'custom)
;; Quick hack to support defcustom for Emacs 19
(defmacro defcustom (sym val doc &rest args)
(defvar sym val doc))
(defmacro group (sym mems doc &rest args)))
;; Master table of supported assistants.
(defconst proof-general-supported-assistants
'((isa "Isabelle" "\\.ML$\\|\\.thy$")
(lego "LEGO" "\\.l$")
(coq "Coq" "\\.v"))
"Table of supported proof assistants.
Each entry is a list of the form
(SYMBOL NAME AUTOLOAD-REGEXP)
The NAME is a string, naming the proof assistant.
The SYMBOL is used to form the name of the mode for the
assistant, `SYMBOL-mode`, run when files with AUTOLOAD-REGEXP
are loaded. It is also used to form the name of the
directory and elisp file for the mode, which will be
<proof-home>/SYMBOL/SYMBOL.el
where `<proof-home>/' is the value of the variable proof-home.")
(defgroup proof-general nil
"Customization of generic parameters for Proof General."
:group 'external
:group 'processes)
(defcustom proof-home
;; FIXME: make sure compiling does not evaluate next expression.
(or (getenv "PROOF_HOME")
(let ((curdir
(or
(and load-in-progress (file-name-directory load-file-name))
(file-name-directory (buffer-file-name)))))
(file-name-directory (substring curdir 0 -1))))
"*Directory where Proof General is installed. Ends with slash.
Default value taken from environment variable PROOF_HOME if set,
otherwise based on where the file proof-site was loaded from.
You can use customize to set this variable."
:type 'directory
:group 'proof-general)
(defcustom proof-image-directory
(concat proof-home "images/")
"*Where Proof General image files are installed. Ends with slash."
:type 'directory
:group 'proof-general)
(defcustom proof-info-dir
(concat proof-home "doc/")
"*Where Proof General Info files are installed."
:type 'directory
:group 'proof-general)
;; Add the info directory to the end of Emacs Info path
;; if need be.
(or (memq proof-info-dir Info-default-directory-list)
(setq Info-default-directory-list
(append
Info-default-directory-list
(list proof-info-dir))))
(defcustom proof-assistants
(mapcar (lambda (astnt) (car astnt)) proof-general-supported-assistants)
(concat
"*Choice of proof assitants to use with Proof General.
A list of symbols chosen from "
(apply 'concat (mapcar (lambda (astnt)
(concat "'" (symbol-name (car astnt)) " "))
proof-general-supported-assistants))
"\nNB: To change proof assistant, you must start a new Emacs session.")
:type (cons 'set
(mapcar (lambda (astnt)
(list 'const ':tag (car (cdr astnt)) (car astnt)))
proof-general-supported-assistants))
:group 'proof-general)
;; Extend load path for the generic files.
(setq load-path
(cons (concat proof-home "generic/") load-path))
;; Now add auto-loads and load-path elements to support the
;; proof assistants selected
(let ((assistants proof-assistants) proof-assistant)
(while assistants
(let*
((proof-assistant (car assistants))
(nameregexp
(or
(cdr-safe
(assoc proof-assistant proof-general-supported-assistants))
(error "proof-site: symbol " (symbol-name proof-assistant)
"is not in proof-general-supported-assistants")))
(assistant-name (car nameregexp))
(regexp (car (cdr nameregexp)))
(sname (symbol-name proof-assistant))
;; NB: File name for each prover is the same as its symbol name!
(elisp-file sname)
;; NB: Dir name for each prover is the same as its symbol name!
(elisp-dir sname)
;; NB: Mode name for each prover is <symname>-mode!
(proofgen-mode (intern (concat sname "-mode"))))
(setq auto-mode-alist
(cons (cons regexp proofgen-mode) auto-mode-alist))
(autoload proofgen-mode elisp-file
(concat
"Major mode for editing scripts for proof assistant "
assistant-name ".")
t)
(setq load-path
(cons (concat proof-home elisp-dir "/") load-path))
(setq assistants (cdr assistants))
;; Developer's note: would be nice to add the customization group
;; <sname>-settings for a particular assistant here,
;; but currently that could cause problems with more than one
;; instance of Proof General being loaded. For the time being
;; you have to visit a file before the specific prover's
;; customizations appear.
)))
;; WARNING: do not edit below here
;; (the next constant is set automatically)
(defconst proof-general-version
"Proof General, Version 2.0-pre980910 released by da,tms. Email lego@dcs.ed.ac.uk."
"Version string for Proof General.")
(provide 'proof-site)
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