src/names.lisp @ 486f9b2d6055

Implement PCGs
author Steve Losh <steve@stevelosh.com>
date Tue, 31 Jan 2017 18:54:39 +0000
parents 02235ffe8b98
children bc8ed2a9b4c0
(in-package :sand.names)

(eval-when (:compile-toplevel :load-toplevel :execute)
  (defun normalize-namespec (namespec)
    (trivia:ematch namespec
      ((list pre suf) (list (symbol-name pre)
                            nil
                            (symbol-name suf)))
      ((list pre in suf) (list (symbol-name pre)
                               (symbol-name in)
                               (symbol-name suf)))))

  (defun parse-namespecs (namespecs)
    (let ((namespecs (mapcar #'normalize-namespec namespecs)))
      (values (map 'vector #'first namespecs)
              (remove nil (map 'vector #'second namespecs))
              (map 'vector #'third namespecs)))))


(defun generate-name (prefixes infixes suffixes)
  (concatenate 'string
               (random-elt prefixes)
               (if (randomp)
                 (random-elt infixes)
                 "")
               (random-elt suffixes)))


(defun build-name-generator% (prefixes infixes suffixes)
  (lambda ()
    (generate-name prefixes infixes suffixes)))

(defun build-name-generator (namespecs)
  (multiple-value-call #'build-name-generator% (parse-namespecs namespecs)))


(defmacro define-name-generator (symbol &body namespecs)
  (multiple-value-bind (prefixes infixes suffixes)
      (parse-namespecs namespecs)
    `(defun ,symbol ()
       (generate-name ,prefixes ,infixes ,suffixes))))


(define-name-generator icelandic-name
  (si grun)
  (kri strún)
  (snó rri)
  (au ður)
  (na nna)
  (gu nnar)
  (fa nney)
  (si gu rður)
  (ha fdís)
  (pa lmí)
  (ha rpa)
  (sæ var)
  (ei nar)
  (ra gnar)
  (ra gnhei ður)
  (ma gnus)
  (hau kur)
  (bja rtur)
  (ey þór)
  (si gu rbjörg)
  (da rri)
  (þo rva ldur))


(define-name-generator spanish-name
  (Sa ntia go)
  (Se ba stián)
  (Ma tías)
  (Ma teo)
  (Ni co lás)
  (Ale ja ndro)
  (Die go)
  (Sa muel)
  (Benja mín)
  (So fia)
  (I sa bella)
  (Ca mi la)
  (Va lenti na)
  (Va le ria)
  (Ma ria na)
  (Lu cia nia)
  (Da niela)
  (Ga brie la))