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(use-modules (xlat))
(define (active-aorist-root present-root)
(let ((last-syllable (car present-root)))
(case (car last-syllable)
((#\@)
(set-car! last-syllable #\s))
((#\z)
(set-car! last-syllable #\s)) ;; FIXME: not always
((#\k)
(cond
((and (not (null? (cdr last-syllable)))
(char=? (cadr last-syllable) #\s))
(set! last-syllable (cons #\x (cddr last-syllable))))
(else
(set-car! last-syllable #\x))))
((#\n)
(cond
((and (not (null? (cdr last-syllable)))
(char=? (cadr last-syllable) #\h))
(set! last-syllable (cons #\x (cddr last-syllable))))
(else
(set-car! last-syllable #\s))))
((#\g #\h)
(set-car! last-syllable #\x))
((#\p #\b #\f)
(set-car! last-syllable #\*))
((#\y)
(cond
((and (not (null? (cdr last-syllable)))
(or (char=? (cadr last-syllable) #\a)
(char=? (cadr last-syllable) #\e)))
(set! last-syllable (cons #\* (cddr last-syllable))))))
(else
(throw 'grammar "Dont't know how to handle " present-root)))
(cons last-syllable (cdr present-root))))
(define (aor str)
(active-aorist-root (cdr (greek-normalize str))))
(define (add-flection word flect)
(let* ((syl-list (append (cdr flect) (cdr word)))
(acc-pos (if (car flect)
(car flect)
(+ (car word) (length (cdr flect))))))
(cons
(if (> acc-pos 3)
3
acc-pos)
syl-list)))
(define (flect-list fun . p)
(cons
fun
(map
(lambda (pers)
(map
(lambda (f)
(cons #f (cdr (greek->xlat f))))
pers))
p)))
; FIXME: Should return real augment!
(define (get-augment root)
#\e)
; FIXME: Does not handle verbs with internal augment
(define (create-paratatikos-A root flect)
(let ((word (add-flection root flect)))
(cons 3
(if (< (length (cdr word)) 3)
(append (cdr word) (list (list (get-augment root))))
(cdr word)))))
(define verbal-flect-table
(list
(cons "Α"
(list
(cons "ενεργητηκή"
(list
(cons "οριστική"
(list
(cons "ενεστώτας"
(flect-list
#f
(list "ω")
(list "εις")
(list "ει")
(list "ουμε")
(list "ετε")
(list "ουν" "ουνε")))
(cons "παρατατικός"
(flect-list
create-paratatikos-A
(list "α")
(list "ες")
(list "ε")
(list "αμε")
(list "ατε")
(list "αν" "ανε")))
(cons "μέλλοντας διαρκείας"
(flect-list
(lambda (x)
(list "θα" x))
(list "ω")
(list "εις")
(list "ει")
(list "ουμε")
(list "ετε")
(list "ουν" "ουνε")))))))))))
;; ("άω")
;; ("άς")
;; ("ά" "άει")
;; ("άμε")
;; ("άτε")
;; ("ούν" "ούνε")
;;
;; ("ώ")
;; ("είς")
;; ("εί")
;; ("ούμε")
;; ("είτε")
;; ("ούν" "ούνε")
(define (verbal-flect-table-lookup table form-list)
(if (null? form-list)
table
(let ((entry (assoc (car form-list) table)))
(if entry
(verbal-flect-table-lookup (cdr entry) (cdr form-list))
#f))))
(define (find-verbal-form . rest)
(verbal-flect-table-lookup verbal-flect-table rest))
(define (conjugate root pers . forms)
(let ((tab (verbal-flect-table-lookup verbal-flect-table forms)))
(if (not tab)
(throw 'grammar "Verbal form not found " forms))
(let ((func (or (car tab)
add-flection)))
(map
(lambda (x)
(func root x))
(list-ref tab pers)))))
(do ((i 1 (1+ i)))
((> i 6) #f)
(map
(lambda (x)
(display (xlat->greek x))(display ","))
(conjugate (greek->xlat "βεβαίων")
i "Α" "ενεργητηκή" "οριστική" "ενεστώτας"))
(newline))
(newline)
(do ((i 1 (1+ i)))
((> i 6) #f)
(map
(lambda (x)
(display (xlat->greek x))(display ","))
(conjugate (greek->xlat "βεβαίων")
i "Α" "ενεργητηκή" "οριστική" "παρατατικός"))
(newline))
(newline)
(do ((i 1 (1+ i)))
((> i 6) #f)
(map
(lambda (x)
(display (xlat->greek x))(display ","))
(conjugate (greek->xlat "λύν")
i "Α" "ενεργητηκή" "οριστική" "παρατατικός"))
(newline))
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