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;;; proof-easy-config.el --- Easy configuration for Proof General
;; This file is part of Proof General.
;; Portions © Copyright 1994-2012 David Aspinall and University of Edinburgh
;; Portions © Copyright 2003, 2012, 2014 Free Software Foundation, Inc.
;; Portions © Copyright 2001-2017 Pierre Courtieu
;; Portions © Copyright 2010, 2016 Erik Martin-Dorel
;; Portions © Copyright 2011-2013, 2016-2017 Hendrik Tews
;; Portions © Copyright 2015-2017 Clément Pit-Claudel
;; Author: David Aspinall <David.Aspinall@ed.ac.uk>
;; License: GPL (GNU GENERAL PUBLIC LICENSE)
;;; Commentary:
;;
;; Future versions might copy settings instead; consider how best to
;; interface with customization mechanism so a new prover can be
;; configured by editing inside custom buffers.
;;
;;; Code:
(require 'proof-site) ; proof-assistant, proof-assistant-symbol
(require 'proof-auxmodes) ; make sure extra modes available
(defconst proof-easy-config-derived-modes-table
'(("" "script" proof-mode (proof-config-done))
("shell" "shell" proof-shell-mode (proof-shell-config-done))
("response" "response" proof-response-mode (proof-response-config-done))
("goals" "goals" proof-goals-mode (proof-goals-config-done)))
"A list of (PREFIXSYM SUFFIXNAME PARENT MODEBODY) for derived modes.")
(defun proof-easy-config-define-derived-modes ()
(dolist (modedef proof-easy-config-derived-modes-table)
(let* ((prefixsym (nth 0 modedef))
(suffixnm (nth 1 modedef))
(parent (nth 2 modedef))
(body (nthcdr 3 modedef))
(modert (concat (symbol-name proof-assistant-symbol)
"-" prefixsym))
(hyphen (if (string-equal prefixsym "") "" "-"))
(mode (intern (concat modert hyphen "mode")))
(modename (concat proof-assistant " " suffixnm))
;; FIXME: declare these variables in proof-config:
;; proof-{goals,response,trace}-syntax-table-entries
;; FIXME: in future versions, use these settings in *-config-done
;; to simplify elisp code elsewhere.
;; FIXME: add imenu-generic-expression too
;;
(modsyn (intern (concat "proof-" suffixnm "-syntax-table-entries")))
(fullbody (append
(if (and (boundp modsyn) (eval modsyn))
(list `(let ((syn ,modsyn))
(while syn
(modify-syntax-entry
(car syn) (cadr syn))
(setq syn (cddr syn))))))
body)))
(eval
`(define-derived-mode ,mode ,parent ,modename nil ,@fullbody)))))
(defun proof-easy-config-check-setup (sym name)
"Perform a number of simple checks.
The proof assistant is denoted by symbol SYM and string NAME."
(let ((msg ""))
;; At the moment we just check that the symbol/name used
;; in the macro matches that in `proof-assistant-table'
;; and have the right type.
(unless (symbolp sym)
(error "Macro proof-easy-config: first argument (%s) should be a symbol"
sym))
(unless (stringp name)
(error "Macro proof-easy-config: second argument (%s) should be a string"
name))
(cond
((or
(and (boundp 'proof-assistant) proof-assistant
(not (equal proof-assistant ""))
(not (equal proof-assistant name))
(setq msg (format "\nproof-assistant name: \"%s\" doesn't match expected \"%s\""
proof-assistant name)))
(and (boundp 'proof-assistant-symbol) proof-assistant-symbol
(not (eq proof-assistant-symbol sym))
(setq msg (format "\nproof-assistant symbol: '%s doesn't match expected '%s"
proof-assistant-symbol sym))))
(error "Macro proof-easy-config: PG already in use or name/symbol mismatch %s"
msg))
(t
;; Setting these here is nice for testing: no need to get
;; proof-assistant-table right first.
(customize-set-variable 'proof-assistant name)
(customize-set-variable 'proof-assistant-symbol sym)))))
;;;###autoload
(defmacro proof-easy-config (sym name &rest body)
"Configure Proof General for a given proof assistant.
The symbol SYM and string name NAME must match those given in
the `proof-assistant-table', which see.
Additional arguments are taken into account as a setq BODY."
`(progn
(proof-easy-config-check-setup ,sym ,name)
(setq
,@body)
(proof-easy-config-define-derived-modes)))
;;
(provide 'proof-easy-config)
(provide 'proof-easy-config)
;;; proof-easy-config.el ends here
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