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8bb7330c9c
poe.scm, slib.scm, tags.scm, threads.scm: Use normal list notation, instead of #/ notation.
122 lines
4.7 KiB
Scheme
122 lines
4.7 KiB
Scheme
;;; installed-scm-file
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;;;; Copyright (C) 1996 Free Software Foundation, Inc.
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;;;;
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;;;; This program is free software; you can redistribute it and/or modify
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;;;; it under the terms of the GNU General Public License as published by
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;;;; the Free Software Foundation; either version 2, or (at your option)
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;;;; any later version.
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;;;;
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;;;; This program is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;;; GNU General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU General Public License
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;;;; along with this software; see the file COPYING. If not, write to
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;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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;;;; Boston, MA 02111-1307 USA
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;;;;
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(define-module (ice-9 mapping)
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:use-module (ice-9 poe))
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(define-public mapping-hooks-type (make-record-type 'mapping-hooks '(get-handle
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create-handle
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remove)))
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(define-public make-mapping-hooks (perfect-funcq 17 (record-constructor mapping-hooks-type)))
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(define-public mapping-hooks? (record-predicate mapping-hooks-type))
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(define-public mapping-hooks-get-handle (record-accessor mapping-hooks-type 'get-handle))
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(define-public mapping-hooks-create-handle (record-accessor mapping-hooks-type 'create-handle))
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(define-public mapping-hooks-remove (record-accessor mapping-hooks-type 'remove))
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(define-public mapping-type (make-record-type 'mapping '(hooks data)))
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(define-public make-mapping (record-constructor mapping-type))
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(define-public mapping? (record-predicate mapping-type))
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(define-public mapping-hooks (record-accessor mapping-type 'hooks))
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(define-public mapping-data (record-accessor mapping-type 'data))
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(define-public set-mapping-hooks! (record-modifier mapping-type 'hooks))
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(define-public set-mapping-data! (record-modifier mapping-type 'data))
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(define-public (mapping-get-handle map key)
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((mapping-hooks-get-handle (mapping-hooks map)) map key))
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(define-public (mapping-create-handle! map key . opts)
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(apply (mapping-hooks-create-handle (mapping-hooks map)) map key opts))
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(define-public (mapping-remove! map key)
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((mapping-hooks-remove (mapping-hooks map)) map key))
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(define-public (mapping-ref map key . dflt)
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(cond
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((mapping-get-handle map key) => cdr)
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(dflt => car)
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(else #f)))
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(define-public (mapping-set! map key val)
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(set-cdr! (mapping-create-handle! map key #f) val))
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(define-public hash-table-mapping-hooks
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(let ((wrap (lambda (proc) (lambda (1st . rest) (apply proc (mapping-data 1st) rest)))))
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(perfect-funcq 17
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(lambda (hash-proc assoc-proc delete-proc)
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(let ((procs (list hash-proc assoc-proc delete-proc)))
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(cond
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((equal? procs `(,hashq ,assq ,delq!))
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(make-mapping-hooks (wrap hashq-get-handle)
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(wrap hashq-create-handle!)
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(wrap hashq-remove!)))
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((equal? procs `(,hashv ,assv ,delv!))
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(make-mapping-hooks (wrap hashv-get-handle)
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(wrap hashv-create-handle!)
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(wrap hashv-remove!)))
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((equal? procs `(,hash ,assoc ,delete!))
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(make-mapping-hooks (wrap hash-get-handle)
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(wrap hash-create-handle!)
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(wrap hash-remove!)))
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(else
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(make-mapping-hooks (wrap
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(lambda (table key)
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(hashx-get-handle hash-proc assoc-proc table key)))
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(wrap
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(lambda (table key)
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(hashx-create-handle hash-proc assoc-proc table key)))
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(wrap
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(lambda (table key)
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(hashx-get-handle hash-proc assoc-proc delete-proc table key)))))))))))
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(define-public (make-hash-table-mapping table hash-proc assoc-proc delete-proc)
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(make-mapping (hash-table-mapping-hooks hash-proc assoc-proc delete-proc) table))
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(define-public (hash-table-mapping . options)
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(let* ((size (or (and options (number? (car options)) (car options))
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71))
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(hash-proc (or (kw-arg-ref options :hash-proc) hash))
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(assoc-proc (or (kw-arg-ref options :assoc-proc)
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(cond
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((eq? hash-proc hash) assoc)
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((eq? hash-proc hashv) assv)
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((eq? hash-proc hashq) assq)
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(else (error 'hash-table-mapping
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"Hash-procedure specified with no known assoc function."
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hash-proc)))))
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(delete-proc (or (kw-arg-ref options :delete-proc)
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(cond
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((eq? hash-proc hash) delete!)
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((eq? hash-proc hashv) delv!)
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((eq? hash-proc hashq) delq!)
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(else (error 'hash-table-mapping
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"Hash-procedure specified with no known delete function."
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hash-proc)))))
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(table-constructor (or (kw-arg-ref options :table-constructor)
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(lambda (len) (make-vector len '())))))
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(make-hash-table-mapping (table-constructor size)
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hash-proc
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assoc-proc
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delete-proc)))
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