cl-adams/adams/core/include.lisp

Branch - branch -0.1-stable0.2-stablemaster- tag -adams-0.3.2adams-0.3.1adams-0.3adams-0.2adams-0.1

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• Hash : f4cfeb43
  Author : Thomas de Grivel
  Date : 2020-04-18T14:54:45
  

  fix include error message
  

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• core/include.lisp

• ;;
  ;;  adams - system administrator written in Common Lisp
  ;;
  ;;  Copyright 2020 Thomas de Grivel <thoxdg@gmail.com>
  ;;
  ;;  Permission to use, copy, modify, and distribute this software for any
  ;;  purpose with or without fee is hereby granted, provided that the above
  ;;  copyright notice and this permission notice appear in all copies.
  ;;
  ;;  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  ;;  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  ;;  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ;;  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  ;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ;;  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  ;;  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  ;;
  
  (in-package :adams)
  
  (defun include/resolve-filename (spec)
    (flet ((try (&rest parts)
             (let ((path (str parts)))
               (when (probe-file path)
                 (return-from include/resolve-filename path)))))
      (try spec)
      (try spec ".adams")))
  
  (defun include/resolve-filename! (spec)
    (or (include/resolve-filename spec)
        (error "(include ~S) => file not found.~%
  Current directory : ~S" spec *default-pathname-defaults*)))
  
  (defun include (&rest sources)
    (let* ((head (cons 'list nil))
           (tail head)
           (eof (gensym "EOF")))
      (dolist (source sources)
        (let ((path (include/resolve-filename! source)))
          (with-open-file (in path
                              :element-type 'character
                              :external-format :utf-8)
            (loop
               (let ((form (read in nil eof)))
                 (when (eq form eof)
                   (return))
                 (setf (rest tail) (cons form nil)
                       tail (rest tail)))))))
      head))
  

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