Gecko [ contributie.vriendennsm.nl ]

Name	Size	Permission	Date
peg	[ DIR ]	drwxr-xr-x	2025-02-07 15:04
and-let-star.scm	2.53 KB	-rw-r--r--	2022-02-10 20:40
arrays.scm	2.63 KB	-rw-r--r--	2022-02-10 20:40
atomic.scm	1.55 KB	-rw-r--r--	2022-02-10 20:40
binary-ports.scm	2.71 KB	-rw-r--r--	2022-02-10 20:40
boot-9.scm	166.75 KB	-rw-r--r--	2022-02-10 20:40
buffered-input.scm	4.82 KB	-rw-r--r--	2022-02-10 20:40
calling.scm	10.54 KB	-rw-r--r--	2022-02-10 20:40
command-line.scm	18.6 KB	-rw-r--r--	2022-02-10 20:40
common-list.scm	8.95 KB	-rw-r--r--	2022-02-10 20:40
control.scm	4.08 KB	-rw-r--r--	2022-02-10 20:40
copy-tree.scm	3.05 KB	-rw-r--r--	2022-02-10 20:40
curried-definitions.scm	1.79 KB	-rw-r--r--	2022-02-10 20:40
deprecated.scm	1.54 KB	-rw-r--r--	2022-02-10 20:40
documentation.scm	7.41 KB	-rw-r--r--	2022-03-05 22:19
eval-string.scm	2.99 KB	-rw-r--r--	2022-02-10 20:40
eval.scm	25.08 KB	-rw-r--r--	2022-02-10 20:40
exceptions.scm	14.38 KB	-rw-r--r--	2022-02-10 20:40
expect.scm	5.5 KB	-rw-r--r--	2022-02-10 20:40
fdes-finalizers.scm	1.06 KB	-rw-r--r--	2022-02-10 20:40
format.scm	65.47 KB	-rw-r--r--	2022-02-10 20:40
ftw.scm	25.05 KB	-rw-r--r--	2022-02-10 20:40
futures.scm	10.49 KB	-rw-r--r--	2022-02-10 20:40
gap-buffer.scm	9.59 KB	-rw-r--r--	2022-02-10 20:40
getopt-long.scm	16.49 KB	-rw-r--r--	2022-02-10 20:40
hash-table.scm	1.77 KB	-rw-r--r--	2022-02-10 20:40
hcons.scm	2.55 KB	-rw-r--r--	2022-02-10 20:40
history.scm	2.29 KB	-rw-r--r--	2022-02-10 20:40
i18n.scm	20.51 KB	-rw-r--r--	2022-02-10 20:40
iconv.scm	3.19 KB	-rw-r--r--	2022-02-10 20:40
lineio.scm	3.85 KB	-rw-r--r--	2022-02-10 20:40
list.scm	1.29 KB	-rw-r--r--	2022-02-10 20:40
local-eval.scm	9.84 KB	-rw-r--r--	2022-02-10 20:40
ls.scm	3.2 KB	-rw-r--r--	2022-02-10 20:40
match.scm	2.18 KB	-rw-r--r--	2022-02-10 20:40
match.upstream.scm	37.33 KB	-rw-r--r--	2022-02-10 20:40
networking.scm	3.33 KB	-rw-r--r--	2022-02-10 20:40
null.scm	1.21 KB	-rw-r--r--	2022-02-10 20:40
occam-channel.scm	7.26 KB	-rw-r--r--	2022-02-10 20:40
optargs.scm	15.75 KB	-rw-r--r--	2022-02-10 20:40
peg.scm	1.64 KB	-rw-r--r--	2022-02-10 20:40
poe.scm	3.3 KB	-rw-r--r--	2022-02-10 20:40
poll.scm	5.79 KB	-rw-r--r--	2022-02-10 20:40
popen.scm	9.27 KB	-rw-r--r--	2022-02-10 20:40
ports.scm	19.08 KB	-rw-r--r--	2022-02-10 20:40
posix.scm	2.73 KB	-rw-r--r--	2022-02-10 20:40
pretty-print.scm	16.88 KB	-rw-r--r--	2022-02-10 20:40
psyntax-pp.scm	183.78 KB	-rw-r--r--	2022-02-10 20:40
psyntax.scm	149.4 KB	-rw-r--r--	2022-02-10 20:40
q.scm	4.2 KB	-rw-r--r--	2022-02-10 20:40
quasisyntax.scm	5.22 KB	-rw-r--r--	2022-02-10 20:40
r5rs.scm	1.56 KB	-rw-r--r--	2022-02-10 20:40
r6rs-libraries.scm	12.52 KB	-rw-r--r--	2022-02-10 20:40
r7rs-libraries.scm	4.28 KB	-rw-r--r--	2022-02-10 20:40
rdelim.scm	7.72 KB	-rw-r--r--	2022-02-10 20:40
read.scm	32.69 KB	-rw-r--r--	2022-02-10 20:40
readline.scm	9.56 KB	-rw-r--r--	2022-02-10 20:40
receive.scm	1.06 KB	-rw-r--r--	2022-02-10 20:40
regex.scm	8.87 KB	-rw-r--r--	2022-02-10 20:40
runq.scm	8.18 KB	-rw-r--r--	2022-02-10 20:40
rw.scm	1.02 KB	-rw-r--r--	2022-02-10 20:40
safe-r5rs.scm	7.5 KB	-rw-r--r--	2022-02-10 20:40
safe.scm	1.25 KB	-rw-r--r--	2022-02-10 20:40
sandbox.scm	34.24 KB	-rw-r--r--	2022-02-10 20:40
save-stack.scm	2.15 KB	-rw-r--r--	2022-02-10 20:40
scm-style-repl.scm	11.62 KB	-rw-r--r--	2022-02-10 20:40
serialize.scm	3.78 KB	-rw-r--r--	2022-02-10 20:40
session.scm	17.72 KB	-rw-r--r--	2022-02-10 20:40
slib.scm	1.55 KB	-rw-r--r--	2022-02-10 20:40
stack-catch.scm	1.94 KB	-rw-r--r--	2022-02-10 20:40
streams.scm	5.86 KB	-rw-r--r--	2022-02-10 20:40
string-fun.scm	9.68 KB	-rw-r--r--	2022-02-10 20:40
suspendable-ports.scm	29.86 KB	-rw-r--r--	2022-02-10 20:40
textual-ports.scm	2.29 KB	-rw-r--r--	2022-02-10 20:40
threads.scm	12.54 KB	-rw-r--r--	2022-02-10 20:40
time.scm	2.07 KB	-rw-r--r--	2022-02-10 20:40
top-repl.scm	2.63 KB	-rw-r--r--	2022-02-10 20:40
unicode.scm	1005 B	-rw-r--r--	2022-02-10 20:40
vlist.scm	21.56 KB	-rw-r--r--	2022-02-10 20:40
weak-vector.scm	1.2 KB	-rw-r--r--	2022-02-10 20:40

Rename

;;; Evaluating code from users

;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;; 
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;; 
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

;;; Code:

(define-module (ice-9 eval-string)
  #:use-module (system base compile)
  #:use-module (system base language)
  #:use-module (system vm program)
  #:use-module (system vm loader)
  #:replace (eval-string))

(define (ensure-language x)
  (if (language? x)
      x
      (lookup-language x)))

(define* (read-and-eval port #:key (lang (current-language)))
  (parameterize ((current-language (ensure-language lang)))
    (define (read)
      ((language-reader (current-language)) port (current-module)))
    (define (eval exp)
      ((language-evaluator (current-language)) exp (current-module)))
            
    (let ((exp (read)))
      (if (eof-object? exp)
          ;; The behavior of read-and-compile and of the old
          ;; eval-string.
          *unspecified*
          (let lp ((exp exp))
            (call-with-values
                (lambda () (eval exp))
              (lambda vals
                (let ((next (read)))
                  (cond
                   ((eof-object? next)
                    (apply values vals))
                   (else
                    (lp next)))))))))))

(define* (eval-string str #:key
                      (module (current-module))
                      (file #f)
                      (line #f)
                      (column #f)
                      (lang (current-language))
                      (compile? #f))
  (define (maybe-with-module module thunk)
    (if module
        (save-module-excursion
         (lambda ()
           (set-current-module module)
           (thunk)))
        (thunk)))

(let ((lang (ensure-language lang)))
    (call-with-input-string
     str
     (lambda (port)
       (maybe-with-module
        module
        (lambda ()
          (if module
              (set-current-module module))
          (if file
              (set-port-filename! port file))
          (if line
              (set-port-line! port line))
          (if column
              (set-port-column! port line))

(if (or compile? (not (language-evaluator lang)))
              ((load-thunk-from-memory
                (read-and-compile port #:from lang #:to 'bytecode)))
              (read-and-eval port #:lang lang))))))))