mdw@git.distorted.org.uk Git - profile/blob - dot/lisp-init.lisp

   1 ;;; -*-lisp-*-
   2
   3 (cl:defpackage #:mdw-hacks
   4   (:use #:cl))
   5 (cl:defparameter mdw-hacks::*previous-package* cl:*package*)
   6 (cl:in-package #:mdw-hacks)
   7
   8 ;; Shut up.
   9 (setf *load-verbose* nil
  10       *compile-verbose* nil)
  11
  12 #+cmu
  13 (setf ext:*gc-verbose* nil
  14       ext:*require-verbose* nil)
  15
  16 #+ecl
  17 (let ((old-output *standard-output*)
  18       (old-prompt si:*tpl-prompt-hook*))
  19   ;; There doesn't seem to be a good way to do this, so we do it the bad
  20   ;; way.  Since the herald is printed to `*standard-outout*', we set (not
  21   ;; bind!) that to a bit bucket, and then arrange to restore it just before
  22   ;; the first REPL prompt is written.
  23   ;;
  24   ;; One more awful part is that, having intercepted the prompt hook, I need
  25   ;; to restore and invoke the old version, and there isn't a clean way to do
  26   ;; this.
  27   (when (<= (ext:argc) 1)
  28     (setf *standard-output* (make-broadcast-stream)
  29           si:*tpl-prompt-hook* (lambda ()
  30                                  (setf *standard-output* old-output
  31                                        si:*tpl-prompt-hook* old-prompt)
  32                                  (si::tpl-prompt)))))
  33
  34 ;; Obtain ASDF from somewhere.
  35 (require "asdf")
  36
  37 ;; Get CMU CL to quit on EOF.
  38 #+cmu
  39 (setf ext:*batch-mode* t)
  40
  41 ;; Tell SBCL where to find its source source.
  42 #+sbcl
  43 (sb-ext:set-sbcl-source-location #p"/usr/share/sbcl-source/")
  44
  45 ;; Tell some Lisps about my home directory.  CMU CL already has a search list
  46 ;; which does the same job.
  47 #+(and unix (or sbcl clisp))
  48 (let* ((homestring (or #+sbcl (sb-ext:posix-getenv "HOME")
  49                        #+clisp (ext:getenv "HOME")
  50                        "/home/mdw"))
  51        (home (pathname (concatenate 'string homestring "/"))))
  52   (setf (logical-pathname-translations "HOME")
  53           `(("HOME:**;*.*.*" ,(merge-pathnames "**/*.*" home nil)))))
  54 (when (#.(car '(#+clisp ext:probe-directory
  55                 probe-file))
  56          #p"/usr/share/common-lisp/")
  57   (setf (logical-pathname-translations "CL")
  58           '(("CL:SOURCE;**;*.*.*" #p"/usr/share/common-lisp/source/**/*.*")
  59             ("CL:SYSTEMS;**;*.*.*" #p"/usr/share/common-lisp/systems/**/*.*"))))
  60
  61 ;; Various fixings.
  62 #+clisp
  63 (setf custom:*parse-namestring-ansi* t)
  64
  65 ;; CLisp history.
  66 #+(and clisp readline)
  67 (progn
  68   (export '(*history-file* *history-size*))
  69   (defvar *history-file* (format nil "~A/.clisp-history" (ext:getenv "HOME"))
  70     "File to preserve the REPL history.")
  71   (defvar *history-size* 1000)
  72   (unless (and (probe-file *history-file*) nil)
  73     (let (old-umask stream)
  74       ;; Ugh.  There's no proper open(2) veneer.  Play with umask(2) to avoid
  75       ;; a window in which an adversary can open the file.
  76       (unwind-protect
  77            (setf old-umask (os:umask #o077)
  78                  stream (open *history-file*
  79                               :direction :output
  80                               :if-exists :overwrite
  81                               :if-does-not-exist :create))
  82         (when stream (close stream))
  83         (when old-umask (os:umask old-umask)))))
  84   (readline:read-history *history-file*)
  85   (if *history-size* (readline:stifle-history *history-size*)
  86       (readline:unstifle-history))
  87   (push (lambda () (readline:write-history *history-file*))
  88         custom:*fini-hooks*))
  89
  90 ;; Don't choke on shebang lines.  This isn't here so that we can run Lisp
  91 ;; scripts like proper Unix programs: `cl-launch' or `runlisp' do that.  It's
  92 ;; here so that we can `load' a script into a running Lisp without it choking
  93 ;; on the shebang.
  94 (set-dispatch-macro-character
  95  #\# #\!
  96  (lambda (stream char arg)
  97    (declare (ignore char arg))
  98    (values (read-line stream))))
  99
 100 ;; Start up swank.
 101 (export 'crank-swank)
 102 (defun crank-swank (&rest args)
 103   (let ((swank (find-package "SWANK")))
 104     (unless swank
 105       (load "/usr/share/common-lisp/source/slime/swank-loader.lisp")
 106       (funcall (find-symbol "INIT" (find-package "SWANK-LOADER")))
 107       (setf swank (find-package "SWANK")))
 108     (set (find-symbol "*GLOBAL-DEBUGGER*" swank) nil)
 109     (apply (find-symbol "CREATE-SERVER" swank) args)))
 110
 111 ;; Treat warnings as, err, warnings.
 112 #+asdf
 113 (setf asdf:*compile-file-failure-behaviour* :warn)
 114
 115 ;; Done.
 116 (pushnew :mdw *features*)
 117 ;;#+(and cmu mp) (mp::startup-idle-and-top-level-loops)
 118 (setf *package* *previous-package*)