-;;; $Id: utils.lisp,v 1.4 2002/12/08 22:38:06 kevin Exp $
+;;; $Id$
;;;;
;;;; General purpose utilities
-(in-package :lml)
-
+(in-package #:lml)
(defmacro aif (test then &optional else)
`(let ((it ,test))
(string-equal "keyword" (package-name (symbol-package x)))))
(defun list-to-spaced-string (list)
- (format nil "~{ ~A~}" list))
+ (format nil "~{~A~^ ~}" list))
+(defun print-n-chars (char n stream)
+ (declare (fixnum n)
+ (optimize (speed 3) (safety 0) (space 0)))
+ (do ((i 0 (1+ i)))
+ ((= i n) char)
+ (declare (fixnum i))
+ (write-char char stream)))
+
(defun indent-spaces (n &optional (stream *standard-output*))
"Indent n*2 spaces to output stream"
- (let ((fmt (format nil "~~~DT" (+ n n))))
- (format stream fmt)))
+ (print-n-chars #\space (+ n n) stream))
(defun print-file-contents (file &optional (strm *standard-output*))
"Opens a reads a file. Returns the contents as a single string"
(do ((line (read-line in nil 'eof)
(read-line in nil 'eof)))
((eql line 'eof))
- (format strm "~A~%" line)))))
+ (write-string line strm)
+ (write-char #\newline strm)))))
(defun date-string (ut)
- (if (typep ut 'integer)
- (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
- (decode-universal-time ut)
- (declare (ignore daylight-p zone))
- (format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d"
- dow
- day
- (1- mon)
- year
- hr min sec))))
+ (check-type ut integer)
+ (multiple-value-bind (sec min hr day mon year dow daylight-p zone)
+ (decode-universal-time ut)
+ (declare (ignore daylight-p zone))
+ (format nil "~[Mon~;Tue~;Wed~;Thu~;Fri~;Sat~;Sun~], ~d ~[Jan~;Feb~;Mar~;Apr~;May~;Jun~;Jul~;Aug~;Sep~;Oct~;Nov~;Dec~] ~d ~2,'0d:~2,'0d:~2,'0d"
+ dow day (1- mon) year hr min sec)))
(defun lml-quit (&optional (code 0))
- "Function to exit the Lisp implementation. Copied from CLOCC's QUIT function."
+ "Function to exit the Lisp implementation."
#+allegro (excl:exit code)
#+clisp (#+lisp=cl ext:quit #-lisp=cl lisp:quit code)
#+(or cmu scl) (ext:quit code)
#+lispworks (lw:quit :status code)
#+lucid (lcl:quit code)
#+sbcl (sb-ext:quit :unix-status (typecase code (number code) (null 0) (t 1)))
- #+mcl (ccl:quit code)
+ #+openmcl (ccl:quit code)
+ #+(and mcl (not openmcl)) (declare (ignore code))
+ #+(and mcl (not openmcl)) (ccl:quit)
#-(or allegro clisp cmu scl cormanlisp gcl lispworks lucid sbcl mcl)
(error 'not-implemented :proc (list 'quit code)))
#+mcl (ccl:mac-default-directory)
#-(or allegro clisp cmu scl sbcl cormanlisp lispworks lucid mcl) (truename "."))
-
+