This file is indexed.

/usr/share/racket/collects/compiler/compiler.rkt is in racket-common 6.3-1.

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
#lang racket/base
;; Main compilation procedures
;; (c) 1997-2014 PLT Design Inc.

(require syntax/toplevel
         syntax/moddep
	 dynext/file
         racket/file
         compiler/compile-file
         compiler/cm
	 compiler/option
         setup/getinfo
         setup/main-collects
         setup/private/omitted-paths)

(provide compile-zos
	 
	 compile-collection-zos
	 compile-directory-zos
	 compile-directory-srcs
	 
	 current-compiler-dynamic-require-wrapper
	 compile-notify-handler)

(define-namespace-anchor anchor)
(define orig-namespace (namespace-anchor->empty-namespace anchor))

  (define compile-notify-handler
    (make-parameter void))

  (define current-compiler-dynamic-require-wrapper
    (make-parameter (lambda (thunk)
                      (parameterize ([current-namespace orig-namespace])
                        (thunk)))))

  (define (c-dynamic-require path id)
    ((current-compiler-dynamic-require-wrapper)
     (lambda () (dynamic-require path id))))
  (define (c-get-info cp)
    ((current-compiler-dynamic-require-wrapper)
     (lambda () (get-info cp))))
  (define (c-get-info/full cp)
    ((current-compiler-dynamic-require-wrapper)
     (lambda () (get-info/full cp))))

  (define (compile-to-zo src dest namespace eval? verbose? mod?)
    ((if eval? 
         (lambda (t) (parameterize ([read-accept-reader #t])
                       (t)))
         with-module-reading-parameterization)
     (lambda ()
       (parameterize ([current-namespace namespace])
         (compile-file src dest
                       (compose
                        (if eval?
                            (lambda (expr)
                              (expand-syntax-top-level-with-compile-time-evals expr))
                            values)
                        (if mod?
                            (lambda (expr)
                              (check-module-form expr 
                                                 (let-values ([(base name dir?) (split-path src)])
                                                   (string->symbol 
                                                    (path-element->string (path-replace-suffix name #""))))
                                                 src))
                            values))))))
    (when verbose?
      (printf " [output to \"~a\"]\n" dest)))

  (define (compile-zos prefix #:verbose? [verbose? #f] #:module? [mod? #f])
    (define n (if prefix (make-base-namespace) (current-namespace)))
    (when prefix (eval prefix n))
    (lambda (source-files destination-directory)
      (define file-bases
        (map (lambda (file)
               (if destination-directory
                   (let-values ([(base file dir?) (split-path file)])
                     (build-path
                      (if (eq? destination-directory 'auto)
                          (let ([d (build-path (if (eq? base 'relative) 'same base)
                                               "compiled")])
                            (unless (directory-exists? d) (make-directory* d))
                            d)
                          destination-directory)
                      file))
                   file))
             source-files))
      (for ([f source-files] [b file-bases])
        (let ([zo (path-add-suffix b #".zo")])
          (compile-to-zo f zo n prefix verbose? mod?)))))

  (define (compile-directory-visitor dir info worker omit-root
                                     #:verbose verbose?
                                     #:has-module-suffix? has-module-suffix?
                                     #:skip-path orig-skip-path
                                     #:skip-paths orig-skip-paths
                                     #:skip-doc-sources? skip-docs?)
    (define info* (or info (lambda (key mk-default) (mk-default))))
    (define omit-paths (omitted-paths dir c-get-info/full omit-root))
    (define skip-paths (for/list ([p (in-list (if orig-skip-path
                                                  (cons orig-skip-path orig-skip-paths)
                                                  orig-skip-paths))])
                         (path->bytes (simplify-path p #f))))
    (unless (eq? 'all omit-paths)
      (let ([init (parameterize ([current-directory dir]
                                 [current-load-relative-directory dir]
                                 ;; Verbose compilation manager:
                                 [manager-trace-handler
                                  (if verbose?
                                      (let ([op (current-output-port)])
                                        (lambda (s) (fprintf op "~a\n" s)))
                                      (manager-trace-handler))]
                                 [manager-compile-notify-handler
                                  (lambda (path) ((compile-notify-handler) path))]
                                 [manager-skip-file-handler
                                  (lambda (path)
                                    (and (pair? skip-paths)
                                         (let* ([simp-path (simplify-path path #f)]
                                                [b (path->bytes simp-path)])
                                           (for/or ([skip-path (in-list skip-paths)])
                                             (let ([len (bytes-length skip-path)])
                                               (and ((bytes-length b) . > . len)
                                                    (bytes=? (subbytes b 0 len) skip-path)
                                                    (let-values ([(base name dir?) (split-path simp-path)])
                                                      (or (and (path? base)
                                                               ;; Compute the stamp:
                                                               (file-stamp-in-paths simp-path (list base)))
                                                          ;; This shouldn't happen, but just in case:
                                                          (cons -inf.0 "")))))))))])
                    (let* ([sses (append
                                  ;; Find all .rkt/.ss/.scm files:
                                  (filter has-module-suffix? (directory-list))
                                  ;; Add specified doc sources:
                                  (if skip-docs?
                                      null
                                      (map (lambda (s) (if (string? s) (string->path s) s))
                                           (map car (info* 'scribblings (lambda () null)))))
                                  ;; Add specified additional sources:
                                  (map (lambda (s) (if (string? s) (string->path s) s))
                                       (info* 'compile-include-files (lambda () null))))]
                           [sses (remove* omit-paths sses)])
                      (worker null sses)))])

        (if (compile-subcollections)
          (begin 
            (when (info* 'compile-subcollections (lambda () #f))
              (printf "Warning: ignoring `compile-subcollections' entry in info ~a\n"
                      dir))
            (for/fold ([init init]) ([p (directory-list dir)])
              (let ([p* (build-path dir p)])
                (if (and (directory-exists? p*) (not (member p omit-paths)))
                    (compile-directory-visitor p* (c-get-info/full p*) worker omit-root
                                               #:has-module-suffix? has-module-suffix?
                                               #:verbose verbose?
                                               #:skip-path orig-skip-path
                                               #:skip-paths orig-skip-paths
                                               #:skip-doc-sources? skip-docs?)
                    init))))
          init))))
  (define (compile-directory dir info
                             #:has-module-suffix? [has-module-suffix? extract-base-filename/ss]
                             #:verbose [verbose? #t]
                             #:skip-path [orig-skip-path #f]
                             #:skip-paths [orig-skip-paths null]
                             #:skip-doc-sources? [skip-docs? #f]
                             #:managed-compile-zo [managed-compile-zo
                                                   (make-caching-managed-compile-zo)]
                             #:omit-root [omit-root dir])
    (define (worker prev sses)
      (for-each managed-compile-zo sses))
    (compile-directory-visitor dir info worker omit-root
                               #:has-module-suffix? has-module-suffix?
                               #:verbose verbose?
                               #:skip-path orig-skip-path
                               #:skip-paths orig-skip-paths
                               #:skip-doc-sources? skip-docs?))
  
  (define (get-compile-directory-srcs dir info
                                      #:has-module-suffix? [has-module-suffix? extract-base-filename/ss]
                                      #:verbose [verbose? #t] 
                                      #:skip-path [orig-skip-path #f]
                                      #:skip-paths [orig-skip-paths null]
                                      #:skip-doc-sources? [skip-docs? #f]
                                      #:omit-root [omit-root dir])
    (compile-directory-visitor dir info append omit-root
                               #:has-module-suffix? has-module-suffix?
                               #:verbose verbose?
                               #:skip-path orig-skip-path
                               #:skip-paths orig-skip-paths
                               #:skip-doc-sources? skip-docs?))
  
  (define unspec (gensym))

  (define (compile-collection-zos collection
                                  #:has-module-suffix? [has-module-suffix? extract-base-filename/ss]
                                  #:skip-path [skip-path #f]
                                  #:skip-paths [skip-paths null]
                                  #:skip-doc-sources? [skip-docs? #f]
                                  #:managed-compile-zo [managed-compile-zo
                                                        (make-caching-managed-compile-zo)]
                                  #:omit-root [omit-root unspec]
                                  . cp)
    (define dir (apply collection-path collection cp))
    (compile-directory dir
                       (c-get-info (cons collection cp))
                       #:omit-root (if (eq? omit-root unspec)
                                       dir
                                       omit-root)
                       #:has-module-suffix? has-module-suffix?
                       #:verbose #f
                       #:skip-path skip-path
                       #:skip-paths skip-paths
                       #:skip-doc-sources? skip-docs?
                       #:managed-compile-zo managed-compile-zo))

  (define compile-directory-zos compile-directory)
  (define compile-directory-srcs get-compile-directory-srcs)