src/init-cl.lisp

   1 ;;********************************************************
   2 ;; file:        init-cl.lisp
   3 ;; description: Initialize Maxima
   4 ;; date:        Wed Jan 13 1999 - 20:27
   5 ;; author:      Liam Healy <Liam.Healy@nrl.navy.mil>
   6 ;;********************************************************
   7
   8 ;;; An ANSI-CL portable initializer to replace init_max1.lisp
   9
  10 ;; CL-USER:*MAXIMA-BUILD-TIME* is defined in maxima.asd and maxima.system,
  11 ;; but I guess ECL doesn't see that, so define it here.
  12 #+ecl (progn
  13   (in-package :cl-user)
  14   (defvar *maxima-build-time* '#.(multiple-value-list (get-decoded-time)))
  15   (export '*maxima-build-time*))
  16
  17 (in-package :maxima)
  18
  19 ;;; Locations of various types of files. These variables are discussed
  20 ;;; in more detail in the file doc/implementation/dir_vars.txt. Since
  21 ;;; these are already in the maxima package, the maxima- prefix is
  22 ;;; redundant. It is kept for consistency with the same variables in
  23 ;;; shell scripts, batch scripts and environment variables.
  24 ;;; jfa 02/07/04
  25
  26 (defvar *maxima-prefix*)
  27 (defvar *maxima-topdir*)        ;; top-level installation or build directory
  28 (defvar *maxima-imagesdir*)
  29 (defvar *maxima-sharedir*)
  30 (defvar *maxima-srcdir*)
  31 (defvar *maxima-docdir*)
  32 (defvar *maxima-infodir*)
  33 (defvar *maxima-htmldir*)
  34 (defvar *maxima-layout-autotools*)
  35 (defvar *maxima-userdir*)
  36 (defvar *maxima-initmac* "maxima-init.mac")
  37 (defvar *maxima-initlisp* "maxima-init.lisp")
  38 (defvar *maxima-tempdir*)
  39 (defvar *maxima-lang-subdir* nil)
  40 (defvar *maxima-demodir*)
  41 (defvar *maxima-objdir*)                ;; Where to store object (fasl) files.
  42 (defvar $maxima_frontend nil "The frontend maxima is used with.")
  43 (defvar $maxima_frontend_version nil "The version of the maxima frontend.")
  44
  45 (eval-when (:load-toplevel :compile-toplevel :execute)
  46   (defmacro def-lisp-shadow (root-name)
  47     "Create a maxima variable $root_name that is an alias for the lisp name *root-name*.
  48 When one changes, the other does too."
  49     (let ((maxima-name (intern (concatenate 'string "$"
  50                                             (substitute #\_ #\- (string root-name)))))
  51           (lisp-name (intern (concatenate 'string "*" (string root-name) "*"))))
  52       `(progn
  53          (defmvar ,maxima-name)
  54          (putprop ',maxima-name 'shadow-string-assignment 'assign)
  55          (putprop ',maxima-name ',lisp-name 'lisp-shadow)))))
  56
  57 (def-lisp-shadow maxima-tempdir)
  58 (def-lisp-shadow maxima-userdir)
  59 (def-lisp-shadow maxima-objdir)
  60
  61 (defun shadow-string-assignment (var value)
  62   (cond
  63     ((stringp value)
  64      (setf (symbol-value (get var 'lisp-shadow)) value)
  65      value)
  66     (t
  67       (merror (intl:gettext "assignment: must assign a string to ~:M; found: ~M") var value))))
  68
  69 (defun print-directories ()
  70   (format t "maxima-prefix=~a~%" *maxima-prefix*)
  71   (format t "maxima-topdir=~a~%" *maxima-topdir*)
  72   (format t "maxima-imagesdir=~a~%" *maxima-imagesdir*)
  73   (format t "maxima-sharedir=~a~%" *maxima-sharedir*)
  74   (format t "maxima-srcdir=~a~%" *maxima-srcdir*)
  75   (format t "maxima-demodir=~a~%" *maxima-demodir*)
  76   (format t "maxima-testsdir=~a~%" *maxima-testsdir*)
  77   (format t "maxima-docdir=~a~%" *maxima-docdir*)
  78   (format t "maxima-infodir=~a~%" *maxima-infodir*)
  79   (format t "maxima-htmldir=~a~%" *maxima-htmldir*)
  80   (format t "maxima-plotdir=~a~%" *maxima-plotdir*)
  81   (format t "maxima-layout-autotools=~a~%" *maxima-layout-autotools*)
  82   (format t "maxima-userdir=~a~%" *maxima-userdir*)
  83   (format t "maxima-tempdir=~a~%" *maxima-tempdir*)
  84   (format t "maxima-lang-subdir=~a~%" *maxima-lang-subdir*)
  85   (format t "maxima-objdir=~A~%" *maxima-objdir*))
  86
  87 (defvar *maxima-lispname*
  88         #+clisp "clisp"
  89         #+cmu "cmucl"
  90         #+scl "scl"
  91         #+sbcl "sbcl"
  92         #+gcl "gcl"
  93         #+allegro "acl"
  94         #+openmcl "openmcl"
  95         #+abcl "abcl"
  96         #+lispworks "lispworks"
  97         #+ecl "ecl"
  98         #-(or clisp cmu scl sbcl gcl allegro openmcl abcl lispworks ecl) "unknownlisp")
  99
 100 (defvar $file_search_lisp nil
 101   "Directories to search for Lisp source code.")
 102
 103 (defvar $file_search_maxima nil
 104   "Directories to search for Maxima source code.")
 105
 106 (defvar $file_search_demo nil
 107   "Directories to search for demos.")
 108
 109 (defvar $file_search_usage nil)
 110
 111 (defvar $file_search_tests nil
 112   "Directories to search for maxima test suite")
 113
 114 (defun maxima-parse-dirstring (str)
 115   (let ((sep "/"))
 116     (if (position (character "\\") str)
 117         (setq sep "\\"))
 118     (setf str (concatenate 'string (string-right-trim sep str) sep))
 119     (concatenate 'string
 120                  (let ((dev (pathname-device str)))
 121                    (if (consp dev)
 122                        (setf dev (first dev)))
 123                    (if (and dev (not (eq dev :unspecific))
 124                             (not (string= dev "")))
 125                        (concatenate 'string (string-right-trim ":" dev) ":")
 126                        ""))
 127                  "/"
 128                  (apply #'combine-path (rest (pathname-directory str))))))
 129
 130 (defun set-pathnames-with-autoconf (maxima-prefix-env maxima-docprefix-env)
 131   (declare (ignore maxima-docprefix-env))
 132   (let (libdir libexecdir datadir infodir
 133         (package-version (combine-path *autoconf-package* *autoconf-version*))
 134         (binary-subdirectory (concatenate 'string "binary-" *maxima-lispname*)))
 135     (if maxima-prefix-env
 136         (progn
 137           (setq libdir     (combine-path maxima-prefix-env "lib"))
 138           (setq libexecdir (combine-path maxima-prefix-env "libexec"))
 139           (setq datadir    (combine-path maxima-prefix-env "share"))
 140           (setq infodir    (combine-path maxima-prefix-env #+(or cygwin windows win32 win64) "share" "info")))
 141         (progn
 142           (setq libdir     (maxima-parse-dirstring *autoconf-libdir*))
 143           (setq libexecdir (maxima-parse-dirstring *autoconf-libexecdir*))
 144           (setq datadir    (maxima-parse-dirstring *autoconf-datadir*))
 145           (setq infodir    (maxima-parse-dirstring *autoconf-infodir*))))
 146     (setq *maxima-topdir*    (combine-path datadir package-version))
 147     (setq *maxima-imagesdir* (combine-path libdir package-version binary-subdirectory))
 148     (setq *maxima-sharedir*  (combine-path datadir package-version "share"))
 149     (setq *maxima-srcdir*    (combine-path datadir package-version "src"))
 150     (setq *maxima-demodir*   (combine-path datadir package-version "demo"))
 151     (setq *maxima-testsdir*  (combine-path datadir package-version "tests"))
 152     (setq *maxima-docdir*    (combine-path datadir package-version "doc"))
 153     (setq *maxima-infodir*   infodir)
 154     (setq *maxima-htmldir*   (combine-path datadir package-version "doc" "html"))
 155     (setq *maxima-plotdir*   (combine-path libexecdir package-version))))
 156
 157 (defun set-pathnames-without-autoconf (maxima-prefix-env maxima-docprefix-env)
 158   (let* ((maxima-prefix (if maxima-prefix-env
 159                            maxima-prefix-env
 160                            (maxima-parse-dirstring *autoconf-prefix*)))
 161         (binary-subdirectory (concatenate 'string "binary-" *maxima-lispname*)))
 162
 163     (setq *maxima-topdir*    maxima-prefix)
 164     (setq *maxima-imagesdir* (combine-path maxima-prefix "src" binary-subdirectory))
 165     (setq *maxima-sharedir*  (combine-path maxima-prefix "share"))
 166     (setq *maxima-srcdir*    (combine-path maxima-prefix "src"))
 167     (setq *maxima-demodir*   (combine-path maxima-prefix "demo"))
 168     (setq *maxima-testsdir*  (combine-path maxima-prefix "tests"))
 169     (let ((maxima-doc-prefix (if maxima-docprefix-env
 170                                 maxima-docprefix-env
 171                                 maxima-prefix)))
 172       (setq *maxima-docdir*    (combine-path maxima-doc-prefix "doc"))
 173       (setq *maxima-infodir*   (combine-path maxima-doc-prefix "doc" "info"))
 174       (setq *maxima-htmldir*   (combine-path maxima-doc-prefix "doc" "html")))
 175     (setq *maxima-plotdir*   (combine-path maxima-prefix "plotting"))))
 176
 177 (defun default-userdir ()
 178   (let ((home-env (maxima-getenv "HOME"))
 179         (base-dir "")
 180         (maxima-dir (if (string= *autoconf-windows* "true")
 181                         "maxima"
 182                         ".maxima")))
 183     (setf base-dir
 184           (if (and home-env (string/= home-env ""))
 185               ;; use home-env...
 186               (if (string= home-env "c:\\")
 187                   ;; but not if home-env = c:\, which results in slow startups
 188                   ;; under windows. Ick.
 189                   "c:\\user\\"
 190                   home-env)
 191               ;; we have to make a guess
 192               (if (string= *autoconf-windows* "true")
 193                   "c:\\user\\"
 194                   "/tmp")))
 195     (combine-path (maxima-parse-dirstring base-dir) maxima-dir)))
 196
 197 (defun default-tempdir ()
 198   (maxima-parse-dirstring
 199     (let ((tmpdir-windows (maxima-getenv "TEMP"))
 200          (tmpdir-posix (maxima-getenv "TMPDIR"))
 201          (tmpdir-nonstandard1 (maxima-getenv "TMP"))
 202          (tmpdir-nonstandard2 (maxima-getenv "TEMPDIR")))
 203
 204          (cond
 205            ((and tmpdir-windows (string/= tmpdir-windows "")) tmpdir-windows)
 206            ((and tmpdir-posix (string/= tmpdir-windows "")) tmpdir-posix)
 207            ((and tmpdir-nonstandard1 (string/= tmpdir-nonstandard1 "")) tmpdir-nonstandard1)
 208            ((and tmpdir-nonstandard2 (string/= tmpdir-nonstandard2 "")) tmpdir-nonstandard2)
 209            ; A fallback for windows if everything else has failed
 210            ((string= *autoconf-windows* "true") "C:\\Windows\\temp")
 211            ; A fallback for the rest of the operating systems
 212            (t "/tmp")))))
 213
 214 (defun set-locale-subdir ()
 215   (let (language territory #+nil codeset)
 216     ;; Determine *maxima-lang-subdir*
 217     ;;   1. from MAXIMA_LANG_SUBDIR environment variable
 218     ;;   2. from INTL::*LOCALE* if (1) fails
 219     (unless  (setq *maxima-lang-subdir* (maxima-getenv "MAXIMA_LANG_SUBDIR"))
 220       (cond ((or (null intl::*locale*) (equal intl::*locale* ""))
 221              (setq *maxima-lang-subdir* nil))
 222             ((member intl::*locale* '("C" "POSIX" "c" "posix") :test #'equal)
 223              (setq *maxima-lang-subdir* nil))
 224             (t
 225               ;; Code to parse code set in locale string, in case we figure out
 226               ;; something to do with it; it isn't needed for language
 227               ;; subdirectory any more, since all language files are UTF-8.
 228               ;; We might make use of code set in ADJUST-CHARACTER-ENCODING.
 229               #+nil (when (eql (position #\. intl::*locale*) 5)
 230                 (setq codeset (string-downcase (subseq intl::*locale* 6))))
 231               (when (eql (position #\_ intl::*locale*) 2)
 232                 (setq territory (string-downcase (subseq intl::*locale* 3 5))))
 233               (setq language (string-downcase (subseq intl::*locale* 0 2)))
 234               ;; Set *maxima-lang-subdir* only for known languages.
 235               ;; Extend procedure below as soon as new translation
 236               ;; is available.
 237               (cond ((equal language "en") ;; English
 238                      (setq *maxima-lang-subdir* nil))
 239                 ;; Latin-1 aka iso-8859-1 languages
 240                 ((member language '("es" "pt" "de") :test #'equal)
 241                  (if (and (string= language "pt") (string= territory "br"))
 242                    (setq *maxima-lang-subdir* (concatenate 'string language "_BR"))
 243                    (setq *maxima-lang-subdir* language)))
 244                 ;; Japanese.
 245                 ((string= language "ja")
 246                  (setq *maxima-lang-subdir* language))
 247                 ;; Russian.
 248                 ((string= language "ru")
 249                  (setq *maxima-lang-subdir* language))
 250                 (t  (setq *maxima-lang-subdir* nil))))))))
 251
 252 (flet ((sanitize-string (s)
 253          (map 'string (lambda(x) (if (alphanumericp x) x #\_))
 254               (subseq s 0 (min 142 (length s))))))
 255   (defun lisp-implementation-version1 ()
 256     (sanitize-string (lisp-implementation-version)))
 257   (defun maxima-version1 ()
 258     (sanitize-string *autoconf-version*)))
 259
 260 (defun set-pathnames ()
 261   (let ((maxima-prefix-env (maxima-getenv "MAXIMA_PREFIX"))
 262         (maxima-layout-autotools-env (maxima-getenv "MAXIMA_LAYOUT_AUTOTOOLS"))
 263         (maxima-userdir-env (maxima-getenv "MAXIMA_USERDIR"))
 264         (maxima-docprefix-env (maxima-getenv "MAXIMA_DOC_PREFIX"))
 265         (maxima-tempdir-env (maxima-getenv "MAXIMA_TEMPDIR"))
 266         (maxima-objdir-env (maxima-getenv "MAXIMA_OBJDIR")))
 267     ;; MAXIMA_DIRECTORY is a deprecated substitute for MAXIMA_PREFIX
 268     (unless maxima-prefix-env
 269       (setq maxima-prefix-env (maxima-getenv "MAXIMA_DIRECTORY")))
 270     (if maxima-prefix-env
 271         (setq *maxima-prefix* maxima-prefix-env)
 272         (setq *maxima-prefix* (maxima-parse-dirstring *autoconf-prefix*)))
 273     (if maxima-layout-autotools-env
 274         (setq *maxima-layout-autotools*
 275               (string-equal maxima-layout-autotools-env "true"))
 276         (setq *maxima-layout-autotools*
 277               (string-equal *maxima-default-layout-autotools* "true")))
 278     (if *maxima-layout-autotools*
 279         (set-pathnames-with-autoconf maxima-prefix-env maxima-docprefix-env)
 280         (set-pathnames-without-autoconf maxima-prefix-env maxima-docprefix-env))
 281     (if maxima-userdir-env
 282         (setq *maxima-userdir* (maxima-parse-dirstring maxima-userdir-env))
 283         (setq *maxima-userdir* (default-userdir)))
 284     (if maxima-tempdir-env
 285         (setq *maxima-tempdir* (maxima-parse-dirstring maxima-tempdir-env))
 286         (setq *maxima-tempdir* (default-tempdir)))
 287     ;; Default *MAXIMA-OBJDIR* is <userdir>/binary/binary-<foo>lisp,
 288     ;; because userdir is almost surely writable, and we don't want to clutter up
 289     ;; random directories with Maxima stuff.
 290     ;; Append binary-<foo>lisp whether objdir is the default or obtained from environment.
 291     (setq *maxima-objdir*
 292           (concatenate 'string
 293                        (if maxima-objdir-env
 294                          (maxima-parse-dirstring maxima-objdir-env)
 295                          (concatenate 'string *maxima-userdir* "/binary"))
 296                        "/" (maxima-version1) "/" *maxima-lispname* "/" (lisp-implementation-version1)))
 297
 298     ;; On ECL the testbench fails mysteriously if this directory doesn't exist =>
 299     ;; let's create it by hand as a workaround.
 300     #+ecl (ensure-directories-exist (concatenate 'string *maxima-objdir* "/"))
 301
 302     ; On Windows Vista gcc requires explicit include
 303     #+gcl
 304     (when (string= *autoconf-windows* "true")
 305       (let ((mingw-gccver (maxima-getenv "mingw_gccver")))
 306         (when mingw-gccver
 307           (setq compiler::*cc*
 308                 (concatenate 'string compiler::*cc* " -I\"" *maxima-prefix* "\\include\""
 309                              " -I\"" *maxima-prefix* "\\lib\\gcc-lib\\mingw32\\"
 310                              mingw-gccver "\\include\" ")))))
 311
 312     ; Assign initial values for Maxima shadow variables
 313     (setq $maxima_userdir *maxima-userdir*)
 314     (setf (gethash '$maxima_userdir *variable-initial-values*) *maxima-userdir*)
 315     (setq $maxima_tempdir *maxima-tempdir*)
 316     (setf (gethash '$maxima_tempdir *variable-initial-values*) *maxima-tempdir*)
 317     (setq $maxima_objdir *maxima-objdir*)
 318     (setf (gethash '$maxima_objdir *variable-initial-values*) *maxima-objdir*))
 319
 320   (let* ((ext #+gcl "o"
 321               #+(or cmu scl) (c::backend-fasl-file-type c::*target-backend*)
 322               #+sbcl "fasl"
 323               #+clisp "fas"
 324               #+allegro "fasl"
 325               #+openmcl (pathname-type ccl::*.fasl-pathname*)
 326               #+lispworks (pathname-type (compile-file-pathname "foo.lisp"))
 327               #+ecl "fas"
 328               #+abcl "abcl"
 329               #-(or gcl cmu scl sbcl clisp allegro openmcl lispworks ecl abcl)
 330               "")
 331          (lisp-patterns (concatenate 'string "$$$.{" ext ",lisp,lsp}"))
 332          (maxima-patterns "$$$.{mac,mc,wxm}")
 333          (lisp+maxima-patterns (concatenate 'string "$$$.{" ext ",lisp,lsp,mac,mc,wxm}"))
 334          (demo-patterns "$$$.{dem,dm1,dm2,dm3,dmt}")
 335          (usage-patterns "$$.{usg,texi}")
 336          (share-subdirs-list (share-subdirs-list))
 337          ;; Smash the list of share subdirs into a string of the form
 338          ;; "{affine,algebra,...,vector}" .
 339          (share-subdirs (format nil "{~{~A~^,~}}" share-subdirs-list)))
 340
 341     (setq $file_search_lisp
 342           (list '(mlist)
 343                 ;; actually, this entry is not correct.
 344                 ;; there should be a separate directory for compiled
 345                 ;; lisp code. jfa 04/11/02
 346                 (combine-path *maxima-userdir* lisp-patterns)
 347                 (combine-path *maxima-sharedir* lisp-patterns)
 348                 (combine-path *maxima-sharedir* share-subdirs lisp-patterns)
 349                 (combine-path *maxima-srcdir* lisp-patterns)
 350         (combine-path *maxima-topdir* lisp-patterns)))
 351     (setq $file_search_maxima
 352           (list '(mlist)
 353                 (combine-path *maxima-userdir* maxima-patterns)
 354                 (combine-path *maxima-sharedir* maxima-patterns)
 355                 (combine-path *maxima-sharedir* share-subdirs maxima-patterns)
 356         (combine-path *maxima-topdir* maxima-patterns)))
 357     (setq $file_search_demo
 358           (list '(mlist)
 359                 (combine-path *maxima-sharedir* demo-patterns)
 360                 (combine-path *maxima-sharedir* share-subdirs demo-patterns)
 361                 (combine-path *maxima-demodir* demo-patterns)))
 362     (setq $file_search_usage
 363           (list '(mlist)
 364                 (combine-path *maxima-sharedir* usage-patterns)
 365                 (combine-path *maxima-sharedir* share-subdirs usage-patterns)
 366                 (combine-path *maxima-docdir* usage-patterns)))
 367     (setq $file_search_tests
 368           `((mlist) ,(combine-path *maxima-testsdir* lisp+maxima-patterns)))
 369
 370     ;; If *maxima-lang-subdir* is not nil test whether corresponding info directory
 371     ;; with some data really exists.  If not this probably means that required
 372     ;; language pack wasn't installed and we reset *maxima-lang-subdir* to nil.
 373     (when (and *maxima-lang-subdir*
 374                (not (probe-file (combine-path *maxima-infodir* *maxima-lang-subdir* "maxima-index.lisp"))))
 375        (setq *maxima-lang-subdir* nil))))
 376
 377 (defun get-dirs (path &aux (ns (namestring path)))
 378   (directory (concatenate 'string
 379                           ns
 380                           (if (eql #\/ (char ns (1- (length ns)))) "" "/")
 381                           "*"
 382                           #+(or :clisp :sbcl :ecl :openmcl) "/")
 383              #+openmcl :directories #+openmcl t))
 384
 385 (defun unix-like-basename (path)
 386   (let* ((pathstring (namestring path))
 387          (len (length pathstring)))
 388     (when (equal (subseq pathstring (- len 1) len) "/")
 389       (decf len)
 390       (setf pathstring (subseq pathstring 0 len)))
 391     (subseq pathstring (1+ (or (position #\/ pathstring :from-end t)
 392                                (position #\\ pathstring :from-end t))) len)))
 393
 394 (defun unix-like-dirname (path)
 395   (let* ((pathstring (namestring path))
 396          (len (length pathstring)))
 397     (when (equal (subseq pathstring (- len 1) len) "/")
 398       (decf len)
 399       (setf pathstring (subseq pathstring 0 len)))
 400     (subseq pathstring 0 (or (position #\/ pathstring :from-end t)
 401                              (position #\\ pathstring :from-end t)))))
 402
 403 (defun list-avail-action ()
 404   (let* ((maxima-verpkglibdir (if (maxima-getenv "MAXIMA-VERPKGLIBDIR")
 405                                   (maxima-getenv "MAXIMA-VERPKGLIBDIR")
 406                                   (if (maxima-getenv "MAXIMA_PREFIX")
 407                                       (combine-path (maxima-getenv "MAXIMA_PREFIX") "lib"
 408                                                     *autoconf-package* *autoconf-version*)
 409                                       (combine-path (maxima-parse-dirstring *autoconf-libdir*)
 410                                                     *autoconf-package* *autoconf-version*))))
 411          (len (length maxima-verpkglibdir))
 412          (lisp-string nil))
 413     (format t "Available versions:~%")
 414     (unless (equal (subseq maxima-verpkglibdir (- len 1) len) "/")
 415       (setf maxima-verpkglibdir (concatenate 'string maxima-verpkglibdir "/")))
 416     (dolist (version (get-dirs (unix-like-dirname maxima-verpkglibdir)))
 417       (dolist (lisp (get-dirs version))
 418         (setf lisp-string (unix-like-basename lisp))
 419         (when (search "binary-" lisp-string)
 420           (setf lisp-string (subseq lisp-string (length "binary-") (length lisp-string)))
 421           (format t "version ~a, lisp ~a~%" (unix-like-basename version) lisp-string))))
 422     (bye)))
 423
 424 (defun process-maxima-args (input-stream batch-flag)
 425   ;;    (format t "processing maxima args = ")
 426   ;;    (mapc #'(lambda (x) (format t "\"~a\"~%" x)) (get-application-args))
 427   ;;    (terpri)
 428   ;;    (finish-output)
 429   (let ((maxima-options nil))
 430     ;; Note: The current option parsing code expects every short
 431     ;; option to have an equivalent long option.  No check is made for
 432     ;; this, so please make sure this holds.  Or change the code in
 433     ;; process-args in command-line.lisp.
 434     (setf maxima-options
 435           (list
 436            (make-cl-option :names '("-b" "--batch")
 437                            :argument "<file>"
 438                            :action #'(lambda (file)
 439                                        (setf input-stream
 440                                              (make-string-input-stream
 441                                               (format nil "batch(\"~a\");"
 442                                                       file)))
 443                                        (setf batch-flag :batch))
 444                            :help-string
 445                            "Process maxima file <file> in batch mode.")
 446            (make-cl-option :names '("--batch-lisp")
 447                            :argument "<file>"
 448                            :action #'(lambda (file)
 449                                        (setf input-stream
 450                                              (make-string-input-stream
 451                                               #-sbcl (format nil ":lisp (load \"~a\");" file)
 452                                               #+sbcl (format nil ":lisp (with-compilation-unit nil (load \"~a\"));" file)))
 453                                        (setf batch-flag :batch))
 454                            :help-string
 455                            "Process lisp file <file> in batch mode.")
 456            (make-cl-option :names '("--batch-string")
 457                            :argument "<string>"
 458                            :action #'(lambda (string)
 459                                        (setf input-stream
 460                                              (make-string-input-stream string))
 461                                        (setf batch-flag :batch))
 462                            :help-string
 463                            "Process maxima command(s) <string> in batch mode.")
 464            (make-cl-option :names '("-d" "--directories")
 465                            :action #'(lambda () (print-directories) ($quit))
 466                            :help-string
 467                            "Display maxima internal directory information.")
 468            (make-cl-option :names '("--disable-readline")
 469                            :action #'(lambda ()
 470                                        #+gcl
 471                                        (if (find :readline *features*)
 472                                            (si::readline-off)))
 473                            :help-string "Disable readline support.")
 474            (make-cl-option :names '("-g" "--enable-lisp-debugger")
 475                            :action #'(lambda ()
 476                                        (setf *debugger-hook* nil))
 477                            :help-string
 478                            "Enable underlying lisp debugger.")
 479            (make-cl-option :names '("-h" "--help")
 480                            :action #'(lambda ()
 481                                        (format t "usage: maxima [options]~%")
 482                                        (list-cl-options maxima-options)
 483                                        (bye))
 484                            :help-string "Display this usage message.")
 485            (make-cl-option :names '("--userdir")
 486                            :argument "<directory>"
 487                            :action nil
 488                            :help-string "Use  <directory> for user directory (default is %USERPROFILE%/maxima for Windows, and $HOME/.maxima for other operating systems).")
 489            (make-cl-option :names '("--init")
 490                            :argument "<file>"
 491                            :action #'(lambda (file)
 492                                        (setf *maxima-initmac* (concatenate 'string file ".mac"))
 493                                        (setf *maxima-initlisp* (concatenate 'string file ".lisp")))
 494                            :help-string (format nil "Set the name of the Maxima & Lisp initialization files to <file>.mac & <file>.lisp (default is ~a)" (subseq *maxima-initmac* 0 (- (length *maxima-initmac*) 4))))
 495            (make-cl-option :names '("--init-mac")
 496                            :argument "<file>"
 497                            :action #'(lambda (file)
 498                                        (setf *maxima-initmac* file))
 499                            :help-string (format nil "Set the name of the Maxima initialization file (default is ~a)" *maxima-initmac*))
 500            (make-cl-option :names '("--init-lisp")
 501                            :argument "<file>"
 502                            :action #'(lambda (file)
 503                                        (setf *maxima-initlisp* file))
 504                            :help-string (format nil "Set the name of the Lisp initialization file (default is ~a)" *maxima-initlisp*))
 505            (make-cl-option :names '("-l" "--lisp")
 506                            :argument "<lisp>"
 507                            :action nil
 508                            :help-string "Use lisp implementation <lisp>.")
 509            (make-cl-option :names '("--list-avail")
 510                            :action 'list-avail-action
 511                            :help-string
 512                            "List the installed version/lisp combinations.")
 513            (make-cl-option :names '("-p" "--preload-lisp")
 514                            :argument "<lisp-file>"
 515                            :action #'(lambda (file)
 516                                        #-sbcl (load file) #+sbcl (with-compilation-unit nil (load file)))
 517                            :help-string "Preload <lisp-file>.")
 518            (make-cl-option :names '("-q" "--quiet")
 519                            :action #'(lambda () (declare (special *maxima-quiet*)) (setq *maxima-quiet* t))
 520                            :help-string "Suppress Maxima start-up message.")
 521            (make-cl-option :names '("-r" "--run-string")
 522                            :argument "<string>"
 523                            :action #'(lambda (string)
 524                                        (declare (special *maxima-run-string*))
 525                                        (setq *maxima-run-string* t)
 526                                        (setf input-stream
 527                                              (make-string-input-stream string))
 528                                        (setf batch-flag nil))
 529                            :help-string
 530                            "Process maxima command(s) <string> in interactive mode.")
 531            (make-cl-option :names '("-s" "--server")
 532                            :argument "<port>"
 533                            :action #'(lambda (port-string)
 534                                        (start-client (parse-integer
 535                                                       port-string))
 536                                        (setf input-stream *standard-input*))
 537                            :help-string "Connect Maxima to server on <port>.")
 538            (make-cl-option :names '("-u" "--use-version")
 539                            :argument "<version>"
 540                            :action nil
 541                            :help-string "Use maxima version <version>.")
 542            (make-cl-option :names '("-v" "--verbose")
 543                            :action nil
 544                            :help-string
 545                            "Display lisp invocation in maxima wrapper script.")
 546            (make-cl-option :names '("--version")
 547                            :action #'(lambda ()
 548                                        (format t "Maxima ~a~%"
 549                                                *autoconf-version*)
 550                                        ($quit))
 551                            :help-string
 552                            "Display the default installed version.")
 553            (make-cl-option :names '("--very-quiet")
 554                            :action #'(lambda () (declare (special *maxima-quiet* *display-labels-p*))
 555                                              (setq *maxima-quiet* t *display-labels-p* nil))
 556                            :help-string "Suppress expression labels and Maxima start-up message.")
 557            (make-cl-option :names '("-X" "--lisp-options")
 558                            :argument "<Lisp options>"
 559                            :action #'(lambda (&rest opts) (declare (special *maxima-quiet*))
 560                                        (unless *maxima-quiet* (format t "Lisp options: ~A" opts)))
 561                            :help-string "Options to be given to the underlying Lisp")
 562                            ))
 563     (process-args (get-application-args) maxima-options))
 564   (values input-stream batch-flag))
 565
 566 ;; A list of temporary files that can be deleted on leaving maxima
 567 (defvar *temp-files-list* (make-hash-table :test 'equal))
 568
 569 ;; Delete all files *temp-files-list* contains.
 570 (defun delete-temp-files ()
 571   (maphash #'(lambda(filename param)
 572                (declare (ignore param))
 573                (let ((file (ignore-errors (probe-file filename))))
 574                  (if file
 575                      (if (not (apparently-a-directory-p file))
 576                          (delete-file file)))))
 577            *temp-files-list*))
 578
 579 (defun cl-user::run ()
 580   "Run Maxima in its own package."
 581   (in-package :maxima)
 582   (initialize-runtime-globals)
 583   (let ((input-stream *standard-input*)
 584         (batch-flag nil))
 585     (unwind-protect
 586         (catch 'to-lisp
 587           (setf (values input-stream batch-flag)
 588                 (process-maxima-args input-stream batch-flag))
 589           (loop
 590            (with-simple-restart (macsyma-quit "Maxima top-level")
 591                                 (macsyma-top-level input-stream batch-flag))))
 592       (delete-temp-files)
 593     )))
 594
 595 (defun disable-some-lisp-warnings ()
 596   ;; Suppress warnings about redefining functions;
 597   ;; it appears that only Clisp and SBCL emit these warnings
 598   ;; (ECL, GCL, CMUCL, and Clozure CL apparently do not).
 599   ;; Such warnings are generated by the autoload mechanism.
 600   ;; I guess it is plausible that we could also avoid the warnings by
 601   ;; reworking autoload to not trigger them. I don't have enough
 602   ;; motivation to attempt that right now.
 603   #+sbcl (setq sb-ext:*muffled-warnings* '(or sb-kernel:redefinition-with-defun sb-kernel:uninteresting-redefinition))
 604   #+sbcl (declaim (sb-ext:muffle-conditions sb-ext:compiler-note))
 605   #+clisp (setq custom:*suppress-check-redefinition* t)
 606
 607   ;; Suppress compiler output messages.
 608   ;; These include the "0 errors, 0 warnings" message output from Clisp,
 609   ;; and maybe other messages from other Lisps.
 610   (setq *compile-verbose* nil))
 611
 612 (defun enable-some-lisp-warnings ()
 613   ;; SB-KERNEL:UNINTERESTING-REDEFINITION appears to be the default value.
 614   #+sbcl (setq sb-ext:*muffled-warnings* 'sb-kernel:uninteresting-redefinition)
 615   #+sbcl (declaim (sb-ext:unmuffle-conditions sb-ext:compiler-note))
 616   #+clisp (setq custom:*suppress-check-redefinition* nil)
 617   (setq *compile-verbose* t))
 618
 619 (defun initialize-runtime-globals ()
 620   (setf *load-verbose* nil)
 621
 622   (disable-some-lisp-warnings)
 623
 624   (setf *debugger-hook* #'maxima-lisp-debugger)
 625   ;; See discussion on the maxima list
 626   ;; http://www.math.utexas.edu/pipermail/maxima/2011/024014.html.
 627   ;; Set *print-length* and *print-level* to some reasonable values so
 628   ;; that normal Lisp structure is shown, but prevent typical circular
 629   ;; structures from hanging Lisp.
 630   ;;
 631   ;; (We do we set these instead of binding them?)
 632   (setf *print-circle* nil)
 633   (setf *print-length* 100)
 634   (setf *print-level* 15)
 635
 636   ;; GCL: print special floats, which are generated whether or not this flag is enabled
 637   #+gcl (setf si:*print-nans* t)
 638   #+ccl
 639   (progn
 640     (setf ccl::*invoke-debugger-hook-on-interrupt* t)
 641     ;; CCL 1.5 makes *read-default-float-format* a thread-local
 642     ;; variable.  Hence we need to set it here to get our desired
 643     ;; behavior.
 644     (setf *read-default-float-format* 'double-float))
 645
 646   #+allegro
 647   (progn
 648     (set-readtable-for-macsyma)
 649     (setf *read-default-float-format* 'lisp::double-float))
 650
 651   #+sbcl (setf *read-default-float-format* 'double-float)
 652
 653   (initialize-real-and-run-time)
 654   (intl::setlocale)
 655   (set-locale-subdir)
 656   (adjust-character-encoding)
 657   (set-pathnames)
 658   (catch 'return-from-debugger
 659     (cl-info::load-primary-index))
 660   (when (boundp '*maxima-prefix*)
 661     (push (pathname (concatenate 'string *maxima-prefix*
 662                                  (if *maxima-layout-autotools*
 663                                      "/share/locale/"
 664                                      "/locale/")))
 665           intl::*locale-directories*)))
 666
 667 (defun adjust-character-encoding ()
 668   #+sbcl (setf sb-impl::*default-external-format* :utf-8)
 669   #+cmu
 670   (handler-bind ((error #'(lambda (c)
 671                             ;; If there's a continue restart, restart
 672                             ;; to set the filename encoding anyway.
 673                             (if (find-restart 'cl:continue c)
 674                                 (invoke-restart 'cl:continue)))))
 675     ;; Set both the terminal external format and filename encoding to
 676     ;; utf-8.  The handler-bind is needed in case the filename
 677     ;; encoding was already set to something else; we forcibly change
 678     ;; it to utf-8. (Is that right?)
 679     (stream:set-system-external-format :utf-8 :utf-8))
 680   #+clisp
 681   (ignore-errors
 682     (progn (setf custom:*default-file-encoding*
 683                  (ext:make-encoding :input-error-action #\?))
 684            (setf custom:*terminal-encoding*
 685                  custom:*default-file-encoding*))))
 686
 687 (import 'cl-user::run)
 688
 689 (defmfun $to_lisp ()
 690   (format t "~&Type (to-maxima) to restart, ($quit) to quit Maxima.~%")
 691   (let ((old-debugger-hook *debugger-hook*))
 692     (catch 'to-maxima
 693       (unwind-protect
 694            (maxima-read-eval-print-loop)
 695         (setf *debugger-hook* old-debugger-hook)
 696         (format t "Returning to Maxima~%")))))
 697
 698 (defun to-maxima ()
 699   (throw 'to-maxima t))
 700
 701 (defun maxima-read-eval-print-loop ()
 702   (when *debugger-hook*
 703     ; Only set a new debugger hook if *DEBUGGER-HOOK* has not been set to NIL
 704     (setf *debugger-hook* #'maxima-lisp-debugger-repl))
 705   (let ((eof (gensym)))
 706     (loop
 707       (catch 'to-maxima-repl
 708         (format-prompt t "~%~A> " (package-name *package*))
 709         (finish-output)
 710         (let ((input (read *standard-input* nil eof)))
 711           ; Return to Maxima on EOF
 712           (when (eq input eof)
 713             (fresh-line)
 714             (to-maxima))
 715           (format t "~{~&~S~}" (multiple-value-list (eval input))))))))
 716
 717 (defun maxima-lisp-debugger-repl (condition me-or-my-encapsulation)
 718   (declare (ignore me-or-my-encapsulation))
 719   (format t "~&Maxima encountered a Lisp error:~%~% ~A" condition)
 720   (format t "~&~%Automatically continuing.~%To reenable the Lisp debugger set *debugger-hook* to nil.~%")
 721   (finish-output)
 722   (throw 'to-maxima-repl t))
 723
 724 (defvar $help "type `describe(topic);' or `example(topic);' or `? topic'")
 725
 726 (defmfun $help (&rest dummy)
 727   (declare (ignore dummy))
 728   $help)
 729
 730 (eval-when (:load-toplevel :execute)
 731     (let ((context '$global))
 732       (declare (special context))
 733       (dolist (x '($%pi $%i $%e $%phi %i $%gamma  ;numeric constants
 734                    $inf $minf $und $ind $infinity ;pseudo-constants
 735                    t nil))                        ;logical constants (Maxima names: true, false)
 736         (kind x '$constant)
 737         (setf (get x 'sysconst) t))))
 738
 739 ;;; Now that all of maxima has been loaded, define the various lists
 740 ;;; and hashtables of builtin symbols and values.
 741
 742 ;;; The assume database structures for numeric constants such as $%pi and $%e
 743 ;;; are circular.  Attempting to copy a circular structure
 744 ;;; into *builtin-symbol-props* would cause a hang.  Therefore
 745 ;;; the properties are copied into *builtin-symbol-props* before
 746 ;;; initializing the assume database.
 747 (let ((maxima-package (find-package :maxima)))
 748   (do-symbols (s maxima-package)
 749     (when (and (eql (symbol-package s) maxima-package)
 750                (not (eq s '||))
 751                (member (char (symbol-name s) 0) '(#\$ #\%) :test #'char=))
 752       (push s *builtin-symbols*)
 753       (setf (gethash s *builtin-symbol-props*)
 754             (copy-tree (symbol-plist s))))))
 755
 756 ;; Also store the property lists for symbols associated with operators;
 757 ;; e.g. MPLUS, MTIMES, etc.
 758 ;; Here we find them via the MHEADER property, which is used by the parser.
 759 ;; I don't know any better way to find these properties.
 760
 761 (let ((maxima-package (find-package :maxima)))
 762   (do-symbols (s maxima-package)
 763     (let ((h (get s 'mheader)))
 764       (when h
 765         (let ((s1 (first h)))
 766           (unless (gethash s1 *builtin-symbol-props*)
 767             (push s1 *builtin-symbols*)
 768             (setf (gethash s1 *builtin-symbol-props*)
 769                   (copy-tree (symbol-plist s1)))))))))
 770
 771 ;; Initialize assume database for $%pi, $%e, etc
 772 (dolist (c *builtin-numeric-constants*)
 773   (initialize-numeric-constant c))
 774
 775 (dolist (s *builtin-symbols*)
 776   (when (boundp s)
 777     (push s *builtin-symbols-with-values*)))
 778
 779 (dolist (s *builtin-symbols-with-values*)
 780   (setf (gethash s *builtin-symbol-values*) (symbol-value s)))
 781
 782 (setf *builtin-$props* (copy-list $props))
 783 (setf *builtin-$rules* (copy-list $rules))
 784
 785 (defun maxima-objdir (&rest subdirs)
 786   "Return a pathname string such that subdirs is a subdirectory of maxima_objdir"
 787   (apply #'combine-path *maxima-objdir* subdirs))
 788
 789 (defun maxima-load-pathname-directory ()
 790   "Return the directory part of *load-pathname*."
 791   (let ((path #-gcl *load-pathname*
 792               ;; Accommodate standard and nonstandard definitions of *LOAD-PATHNAME* in GCL.
 793               ;; This can go away someday when nonstandard GCL's (<= 2.6.12) are ancient history.
 794               #+gcl (symbol-value (or (find-symbol "*LOAD-PATHNAME*" :sys) (find-symbol "*LOAD-PATHNAME*" :common-lisp)))))
 795     (make-pathname :directory (pathname-directory path)
 796                    :device (pathname-device path))))