This file is indexed.

/usr/share/acl2-6.3/books/xdoc/top.lisp is in acl2-books-source 6.3-5.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
; XDOC Documentation System for ACL2
; Copyright (C) 2009-2011 Centaur Technology
;
; Contact:
;   Centaur Technology Formal Verification Group
;   7600-C N. Capital of Texas Highway, Suite 300, Austin, TX 78731, USA.
;   http://www.centtech.com/
;
; This program is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free Software
; Foundation; either version 2 of the License, or (at your option) any later
; version.  This program is distributed in the hope that it will be useful but
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
; more details.  You should have received a copy of the GNU General Public
; License along with this program; if not, write to the Free Software
; Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
;
; Original author: Jared Davis <jared@centtech.com>


; top.lisp -- most end users should include this book directly.  If you are
; new to xdoc, you can try running:
;
;  (include-book "xdoc/top" :dir :system)
;  :xdoc xdoc

(in-package "XDOC")
(include-book "base")
(include-book "book-thms")

(defmacro colon-xdoc-init ()
  '(with-output :off (summary event observation)
     (make-event
      (if (not (cdr (assoc 'colon-xdoc-support-loaded (table-alist 'xdoc (w state)))))
        `(progn
           (include-book ;; newlines to fool dependency scanner
            "xdoc/defxdoc-raw" :dir :system :ttags :all)
           (include-book
            "xdoc/topics" :dir :system)
           (include-book
            "xdoc/display" :dir :system)
           (encapsulate ()
            (local (xdoc-quiet)) ;; Suppress warnings when just using :xdoc (or :doc) 
            (local (set-inhibit-warnings "Documentation"))
            (import-acl2doc))
           (table xdoc 'colon-xdoc-support-loaded t))
        '(value-triple :invisible)))))

(defmacro xdoc (name)
  (declare (xargs :guard (or (symbolp name)
                             (and (quotep name)
                                  (symbolp (unquote name))))))
  (let ((name (if (symbolp name)
                  name
                (unquote name))))
    `(with-output :off (summary event)
       (progn
         (colon-xdoc-init)
         (make-event
          (b* (((mv all-xdoc-topics state) (all-xdoc-topics state))
               ((mv & & state) (colon-xdoc-fn ',name all-xdoc-topics state)))
            (value '(value-triple :invisible))))))))

; Hijack ACL2's :doc keyword and replace it with :xdoc

(add-ld-keyword-alias! :doc '(1 xdoc))

(defmacro save (dir &key
                    (type ':fancy)
                    (import 't)
                    ;; Classic options (ignored for type :fancy)
                    (index-pkg 'acl2::foo)
                    (expand-level '1))
  `(progn
     (include-book
      "xdoc/defxdoc-raw" :dir :system :ttags :all)
     (include-book
      "oslib/mkdir" :dir :system)
     (include-book
      ,(if (eq type :fancy)
           "xdoc/save-fancy"
         "xdoc/save-classic")
      :dir :system)
     ;; ugh, stupid stupid writes-ok stupidity
     (defttag :xdoc)
     (remove-untouchable acl2::writes-okp nil)
     ,@(and import
            `((include-book
               "xdoc/topics" :dir :system)
              (import-acl2doc)))
     ;; b* should have been included by the above includes
     (make-event
      (b* (((mv all-xdoc-topics state) (all-xdoc-topics state))
           (- (cw "(len all-xdoc-topics): ~x0~%" (len all-xdoc-topics)))
           ((mv & & state) (assign acl2::writes-okp t))
           (state
            ,(if (eq type :fancy)
                 `(save-fancy all-xdoc-topics ,dir state)
               `(save-topics all-xdoc-topics ,dir ',index-pkg ',expand-level state))))
        (value '(value-triple :invisible))))))

(defmacro xdoc-extend (name long)
  ;; Extend an existing xdoc topic with more content.  Long is an xdoc
  ;; format string, e.g., "<p>blah blah @(def blah) blah.</p>" that will
  ;; be appended onto the end of the current :long for this topic.
  `(table xdoc 'doc
          (let* ((all-topics   (xdoc::get-xdoc-table world))
                 (old-topic    (xdoc::find-topic ',name all-topics)))
            (cond ((not old-topic)
                   (prog2$
                    (cw "XDOC WARNING:  Ignoring attempt to extend topic ~x0, ~
                         because no such topic is currently defined.~%"
                        ',name)
                    all-topics))
                   (t
                    (let* ((other-topics (remove-equal old-topic all-topics))
                           (old-long  (cdr (assoc :long old-topic)))
                           (new-long  (concatenate 'string old-long ,long))
                           (new-topic (acons :long new-long (delete-assoc :long old-topic))))
                      (cons new-topic other-topics)))))))

(defmacro xdoc-prepend (name long)
  ;; Extend an existing xdoc topic with more content.  Long is an xdoc
  ;; format string, e.g., "<p>blah blah @(def blah) blah.</p>" that will
  ;; be prepended to the front of the current :long for this topic.
  `(table xdoc 'doc
          (let* ((all-topics   (xdoc::get-xdoc-table world))
                 (old-topic    (xdoc::find-topic ',name all-topics)))
            (cond ((not old-topic)
                   (prog2$
                    (cw "XDOC WARNING:  Ignoring attempt to prepend to topic ~x0, ~
                         because no such topic is currently defined.~%"
                        ',name)
                    all-topics))
                   (t
                    (let* ((other-topics (remove-equal old-topic all-topics))
                           (old-long  (cdr (assoc :long old-topic)))
                           (new-long  (concatenate 'string ,long old-long))
                           (new-topic (acons :long new-long (delete-assoc :long old-topic))))
                      (cons new-topic other-topics)))))))

(defund extract-keyword-from-args (kwd args)
  (declare (xargs :guard (keywordp kwd)))
  (cond ((atom args)
         nil)
        ((eq (car args) kwd)
         (if (consp (cdr args))
             (cons (car args)
                   (cadr args))
           (er hard? 'extract-keyword-from-args
               "Expected something to follow ~s0." kwd)))
        (t
         (extract-keyword-from-args kwd (cdr args)))))

(defund throw-away-keyword-parts (args)
  (declare (xargs :guard t))
  (cond ((atom args)
         nil)
        ((keywordp (car args))
         (throw-away-keyword-parts (if (consp (cdr args))
                                       (cddr args)
                                     (er hard? 'throw-away-keyword-parts
                                         "Expected something to follow ~s0."
                                         (car args)))))
        (t
         (cons (car args)
               (throw-away-keyword-parts (cdr args))))))

(defun bar-escape-chars (x)
  (declare (xargs :mode :program))
  (cond ((atom x)
         nil)
        ((eql (car x) #\|)
         (list* #\\ #\| (bar-escape-chars (cdr x))))
        (t
         (cons (car x) (bar-escape-chars (cdr x))))))

(defun bar-escape-string (x)
  (declare (xargs :mode :program))
  (coerce (bar-escape-chars (coerce x 'list)) 'string))

(defun full-escape-symbol (x)
  (declare (xargs :mode :program))
  (concatenate 'string "|" (bar-escape-string (symbol-package-name x)) "|::|"
               (bar-escape-string (symbol-name x)) "|"))

(defun formula-info-to-defs1 (entries)
  ;; See misc/book-thms.lisp.  Entries should be the kind of structure that
  ;; new-formula-info produces.  We turn it into a list of "@(def fn)" entries.
  ;; This is a hack.  We probably want something smarter.
  (declare (xargs :mode :program))
  (cond ((atom entries)
         nil)
        ((and (consp (car entries))
              (symbolp (caar entries)))
         (cons (concatenate 'string "@(def " (full-escape-symbol (caar entries)) ")")
               (formula-info-to-defs1 (cdr entries))))
        (t
         (formula-info-to-defs1 (cdr entries)))))

(defun join-strings (strs sep)
  (declare (xargs :mode :program))
  (cond ((atom strs)
         "")
        ((atom (cdr strs))
         (car strs))
        (t
         (concatenate 'string (car strs) sep (join-strings (cdr strs) sep)))))

(defun formula-info-to-defs (headerp entries)
  ;; BOZO make this nicer
  (declare (xargs :mode :program))
  (let ((strs (formula-info-to-defs1 entries)))
    (if strs
        (concatenate 'string
                     (if headerp "<h3>Definitions and Theorems</h3>" "")
                     (join-strings strs (coerce (list #\Newline) 'string)))
      "")))

(defun defsection-fn (wrapper ; (encapsulate nil) or (progn)
                      name args)
  (declare (xargs :mode :program))
  (let* ((parents     (cdr (extract-keyword-from-args :parents args)))
         (short       (cdr (extract-keyword-from-args :short args)))
         (long        (cdr (extract-keyword-from-args :long args)))
         (extension   (cdr (extract-keyword-from-args :extension args)))
         (defxdoc-p   (and (not extension)
                           (or parents short long)))
         (autodoc-arg (extract-keyword-from-args :autodoc args))
         (autodoc-p   (and (or defxdoc-p extension)
                           (or (not autodoc-arg)
                               (cdr autodoc-arg))))
         (new-args (throw-away-keyword-parts args)))
    (cond ((and extension
                (or parents short))
           (er hard? 'defsection-fn "When using :extension, you cannot ~
                  give a :parents or :short field."))

          ((and extension
                (not (symbolp extension)))
           (er hard? 'defsection-fn "Expected a single symbol for :extension, ~
                                     but was given ~x0." extension))

          ((not autodoc-p)
           `(with-output
              :stack :push
              :off :all
              :on error  ;; leave errors on, or you can think forms succeeded when they didn't.
              (progn
                ,@(and defxdoc-p
                       `((defxdoc ,name
                           :parents ,parents
                           :short ,short
                           :long ,long)))
                (with-output :stack :pop
                  (,@wrapper
                   ;; A silly value-triple so that an empty defsection is okay.
                   (value-triple :invisible)
                   . ,new-args))
                ,@(and extension
                       long
                       `(xdoc-extend ,extension ,long)))))

          (t
           ;; Fancy autodoc stuff.
           (let ((marker `(table acl2::intro-table :mark ',name)))
             `(with-output
                :stack :push
                :off :all
                :on error
                (progn
                  ,marker
                  (with-output :stack :pop
                    (,@wrapper
                     ;; A silly value-triple so that an empty defsection is okay.
                     (value-triple :invisible)
                     . ,new-args))
                  (make-event
                   (let* ((name      ',name)
                          (parents   ',parents)
                          (short     ',short)
                          (extension ',extension)
                          (wrld      (w state))
                          (trips     (acl2::reversed-world-since-event wrld ',marker nil))
                          (info      (reverse (acl2::new-formula-info trips wrld nil)))
                          (autodoc   (formula-info-to-defs (not extension) info))
                          (long      (concatenate 'string
                                                  ',(or long "")
                                                  (coerce (list #\Newline #\Newline) 'string)
                                                  autodoc)))
                     (if extension
                         `(xdoc-extend ,extension ,long)
                       `(defxdoc ,name
                          :parents ,parents
                          :short ,short
                          :long ,long))))
                  (value-triple ',name))))))))

(defmacro defsection (name &rest args)
  (declare (xargs :guard (symbolp name)))
  (defsection-fn '(encapsulate nil) name args))

(defmacro defsection-progn (name &rest args)
  (declare (xargs :guard (symbolp name)))
  (defsection-fn '(progn) name args))


;; Moved from cutil/deflist for greater availability
(defsection mksym

  (defun concatenate-symbol-names (x)
    (declare (xargs :guard (symbol-listp x)))
    (if (consp x)
        (acl2::concatenate 'string
                           (symbol-name (car x))
                           (concatenate-symbol-names (cdr x)))
      ""))

  (defmacro mksym (&rest args)
    `(intern-in-package-of-symbol
      (concatenate-symbol-names (list ,@args))
      mksym-package-symbol)))