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|
;; $State$ $Date$ $Revision$
;;--------------------------------------------------------------------------;;
;;--------------------------------------------------------------------------;;
;; program extraction.
;;
;; note : program extraction is still experimental This file is very
;; dependant of the actual state of program extraction in phox.
;;--------------------------------------------------------------------------;;
(require 'cl)
(eval-when-compile
(defvar phox-prog-name nil))
(declare-function proof-shell-invisible-command "proof-shell" (str))
;; configuration :
(defvar phox-prog-orig "phox -pg" "original name of phox binary.")
(defun phox-prog-flags-modify(option)
"ask for a string that are options to pass to phox binary"
(interactive "soption :")
; pas d'analyse de la réponse,
(let ((process))
(if (and phox-prog-name
(progn (string-match " \\|$" phox-prog-name)
(setq process
(substring phox-prog-name 0 (match-beginning 0))
)
)
(processp (get-process process))
(eq (process-status process) 'run))
(error "Error : exit phox process first !")
)
(if (string-match "^ *$" option)
(progn
(message
"no option other than default ones will be passed to phox binary.")
(setq phox-prog-name phox-prog-orig))
(progn
(message (format "option %s will be passed to phox binary." option ))
(setq phox-prog-name (concat phox-prog-orig " " option))
)
)
)
)
(defun phox-prog-flags-extract()
"pass option -f to phox binary. A program can be extracted from
proof of theorem_name with :
compile theorem_name.
output."
(interactive)
(phox-prog-flags-modify "-f")
(message
"WARNING : program extraction is experimental and can disturb the prover !")
)
(defun phox-prog-flags-erase()
"no option to phox binary."
(interactive)
(phox-prog-flags-modify ""))
; encore une fonction qui devrait être redéfinie en cas d'autres
; options possibles que -f
(defun phox-toggle-extraction()
"toggle between extraction mode and ordinary mode for phox process."
(interactive)
(cond ((string-equal phox-prog-name phox-prog-orig) ;; à améliorer (espaces)
(phox-prog-flags-extract))
((string-match "\-f$" phox-prog-name) (phox-prog-flags-erase))
(t (error "option must be empty or -f, use phox-prog-flags-modify.")))
)
;; commands
; compilation
(defun phox-compile-theorem(name)
"Interactive function :
ask for the name of a theorem and send a compile command to PhoX for it."
(interactive "stheorem : ")
(proof-shell-invisible-command (concat "compile " name)))
(defun phox-compile-theorem-on-cursor()
"Interactive function :
send a compile command to PhoX for the theorem which name is under the cursor."
(interactive)
(let (start end)
(save-excursion
; (modify-syntax-entry ?\. "w")
(forward-word 1)
(setq start (point))
(forward-word -1)
(setq end (point)))
(if (char-equal (char-after (- end 1)) ?\.)(setq end (- end 1)))
(phox-compile-theorem (buffer-substring start end))))
; extraction
(defun phox-output ()
"Interactive function :
send output command to phox in order to obtain programs
extracted from proofs of all compiled theorems."
(interactive)
(proof-shell-invisible-command "output"))
(defun phox-output-theorem (name)
"Interactive function :
ask for the name of a theorem and send an output command to PhoX for it
in order to obtain a programm extracted from the known proof of this theorem."
(interactive "stheorem : ")
(proof-shell-invisible-command (concat "output " name)))
(defun phox-output-theorem-on-cursor()
"Interactive function :
send an output command to PhoX for the theorem which name is under the cursor
in order to obtain a programm extracted from the known proof of this theorem."
(interactive)
(let (start
end
; (syntax (char-to-string (char-syntax ?\.)))
)
(save-excursion
; (modify-syntax-entry ?\. "w") ; à modifier globablement ?
(forward-word 1)
(setq start (point))
(forward-word -1)
(setq end (point)))
; (modify-syntax-entry ?\. syntax)
(if (char-equal (char-after (- end 1)) ?\.)(setq end (- end 1)))
(phox-output-theorem (buffer-substring start end))))
; Definitions of lambda-mu terms (tdef nom_de_term = terme.) and
; normalization (eval term.) have to be "visible" proof commands.
;; menu
(defvar phox-extraction-menu
'("Extraction"
["Program extraction enabled"
phox-toggle-extraction
:style radio
:selected(string-match "\-f$" phox-prog-name)
]
["------------------------------" nil nil
]
["Compile theorem on cursor" phox-compile-theorem-on-cursor
:active(string-match "\-f$" phox-prog-name)
]
["Extraction for theorem on cursor" phox-output-theorem-on-cursor
:active(string-match "\-f$" phox-prog-name)
]
["Extraction for all compiled theorems" phox-output
:active(string-match "\-f$" phox-prog-name)
]
["------------------------------" nil nil
]
["Compile theorem : " phox-compile-theorem
:active(string-match "\-f$" phox-prog-name)
]
["Extraction for theorem : " phox-output-theorem
:active(string-match "\-f$" phox-prog-name)
]
)
"A list of menu items to deal with program extraction.
Warning, program extraction is still experimental
and can disturb the prover !"
)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(provide 'phox-extraction)
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