dot/lisp-init.lisp: Get CLisp to save and restore its REPL history.

[profile] / dot / lisp-init.lisp

diff --git a/dot/lisp-init.lisp b/dot/lisp-init.lisp
index 6624c60c9407768a0b19e554e18304aba0a516b3..da50a6f2ab71ed6d7675024ed9fbb7402ba5bfdb 100644 (file)
--- a/dot/lisp-init.lisp
+++ b/dot/lisp-init.lisp
@@ -1,27 +1,94 @@
-(defpackage #:mdw-hacks
-  (:use #:cl)
-  (:export #:crank-swank))
-(use-package '#:mdw-hacks)
+;;; -*-lisp-*-
+
+(cl:defpackage #:mdw-hacks
+  (:use #:cl))
+(cl:defparameter mdw-hacks::*previous-package* cl:*package*)
+(cl:in-package #:mdw-hacks)

 
 ;; Shut up.
 
 ;; Shut up.

-(setf *load-verbose* nil)
-(setf *compile-verbose* nil)
-#+cmu (setf *gc-verbose* nil)
+(setf *load-verbose* nil
+      *compile-verbose* nil)
+
+#+cmu
+(setf ext:*gc-verbose* nil
+      ext:*require-verbose* nil)
+
+;; Obtain ASDF from somewhere.
+(require "asdf")
+
+;; Get CMU CL to quit on EOF.
+#+cmu
+(setf ext:*batch-mode* t)
+
+;; Tell SBCL where to find its source source.
+#+sbcl
+(sb-ext:set-sbcl-source-location #p"/usr/share/sbcl-source/")
+
+;; Tell some Lisps about my home directory.
+#+(and unix (or sbcl clisp))
+(let* ((homestring (or #+sbcl (sb-ext:posix-getenv "HOME")
+                      #+clisp (ext:getenv "HOME")
+                      #+cmu (unix:unix-getenv "HOME")
+                      "/home/mdw"))
+       (home (pathname (concatenate 'string homestring "/"))))
+  (setf (logical-pathname-translations "HOME")
+       `(("HOME:**;*.*.*" ,(merge-pathnames "**/*.*" home nil)))
+       (logical-pathname-translations "CL")
+       '(("CL:SOURCE;**;*.*.*" #p"/usr/share/common-lisp/source/**/*.*")
+         ("CL:SYSTEMS;**;*.*.*" #p"/usr/share/common-lisp/systems/**/*.*"))))

 
 ;; Various fixings.
 
 ;; Various fixings.

-#+clisp (setf custom:*parse-namestring-ansi* t)
+#+clisp
+(setf custom:*parse-namestring-ansi* t)
+
+;; CLisp history.
+#+(and clisp readline)
+(progn
+  (export '(*history-file* *history-size*))
+  (defvar *history-file* (format nil "~A/.clisp-history" (ext:getenv "HOME"))
+    "File to preserve the REPL history.")
+  (defvar *history-size* 1000)
+  (unless (and (probe-file *history-file*) nil)
+    (let (old-umask stream)
+      ;; Ugh.  There's no proper open(2) veneer.  Play with umask(2) to avoid
+      ;; a window in which an adversary can open the file.
+      (unwind-protect
+          (setf old-umask (os:umask #o077)
+                stream (open *history-file*
+                             :direction :output
+                             :if-exists :overwrite
+                             :if-does-not-exist :create))
+       (when stream (close stream))
+       (when old-umask (os:umask old-umask)))))
+  (readline:read-history *history-file*)
+  (if *history-size* (readline:stifle-history *history-size*)
+      (readline:unstifle-history))
+  (push (lambda () (readline:write-history *history-file*))
+       custom:*fini-hooks*))
+
+;; Shebang.
+(set-dispatch-macro-character
+ #\# #\!
+ (lambda (stream char arg)
+   (declare (ignore char arg))
+   (values (read-line stream))))

 
 ;; Start up swank.
 
 ;; Start up swank.

-(defun mdw-hacks:crank-swank (&rest #1=#:args)
-  (let ((#2=#:swank #3=(find-package "SWANK")))
-    (unless #2#
+(export 'crank-swank)
+(defun crank-swank (&rest args)
+  (let ((swank (find-package "SWANK")))
+    (unless swank

       (load "/usr/share/common-lisp/source/slime/swank-loader.lisp")
       (load "/usr/share/common-lisp/source/slime/swank-loader.lisp")

-      (setf #2# #3#))
-    (set (find-symbol "*GLOBAL-DEBUGGER*" #2#) nil)
-    (apply (find-symbol "CREATE-SERVER" #2#) #1#)))
+      (funcall (find-symbol "INIT" (find-package "SWANK-LOADER")))
+      (setf swank (find-package "SWANK")))
+    (set (find-symbol "*GLOBAL-DEBUGGER*" swank) nil)
+    (apply (find-symbol "CREATE-SERVER" swank) args)))

 
 

-#+asdf (setf asdf:*compile-file-failure-behaviour* :warn)
+;; Treat warnings as, err, warnings.
+#+asdf
+(setf asdf:*compile-file-failure-behaviour* :warn)

 
 ;; Done.
 (pushnew :mdw *features*)
 ;;#+(and cmu mp) (mp::startup-idle-and-top-level-loops)
 
 ;; Done.
 (pushnew :mdw *features*)
 ;;#+(and cmu mp) (mp::startup-idle-and-top-level-loops)

+(setf *package* *previous-package*)