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;; Copyright (C) 1994 M. Hagiya, W. Schelter, T. Yuasa |
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;; This file is part of GNU Common Lisp, herein referred to as GCL |
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;; |
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;; GCL is free software; you can redistribute it and/or modify it under |
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;; the terms of the GNU LIBRARY 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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;; GCL is distributed in the hope that it will be useful, but WITHOUT |
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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;; License for more details. |
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;; |
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;; You should have received a copy of the GNU Library General Public License |
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;; along with GCL; see the file COPYING. If not, write to the Free Software |
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;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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;;;; module.lsp |
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;;;; |
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;;;; module routines |
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(in-package 'lisp) |
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(export '(*modules* provide require)) |
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(export 'documentation) |
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(export '(variable function structure type setf)) |
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(in-package 'system) |
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(eval-when (compile) (proclaim '(optimize (safety 2) (space 3)))) |
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(defvar *modules* nil) |
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(defun provide (module-name) |
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(setq *modules* |
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(adjoin (string module-name) |
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*modules* |
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:test #'string=))) |
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(defun require (module-name |
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&optional (pathname (string-downcase (string module-name)))) |
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(let ((*default-pathname-defaults* #"")) |
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(unless (member (string module-name) |
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*modules* |
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:test #'string=) |
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(if (atom pathname) |
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(load pathname) |
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(do ((p pathname (cdr p))) |
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((endp p)) |
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(load (car p))))))) |
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(defun documentation (symbol doc-type) |
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(case doc-type |
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(variable (get symbol 'variable-documentation)) |
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(function (get symbol 'function-documentation)) |
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(structure (get symbol 'structure-documentation)) |
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(type (get symbol 'type-documentation)) |
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(setf (get symbol 'setf-documentation)) |
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(t |
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(if (packagep symbol) |
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(get (find-symbol (package-name symbol) :keyword) 'package-documentation) |
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(error "~S is an illegal documentation type." doc-type))))) |
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(defun find-documentation (body) |
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(if (or (endp body) (endp (cdr body))) |
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nil |
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(let ((form (macroexpand (car body)))) |
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(if (stringp form) |
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form |
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(if (and (consp form) |
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(eq (car form) 'declare)) |
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(find-documentation (cdr body)) |
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nil))))) |
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