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and-let-star.scm	2.53 KB	-rw-r--r--
arrays.scm	2.63 KB	-rw-r--r--
atomic.scm	1.55 KB	-rw-r--r--
binary-ports.scm	2.71 KB	-rw-r--r--
boot-9.scm	166.42 KB	-rw-r--r--
buffered-input.scm	4.82 KB	-rw-r--r--
calling.scm	10.54 KB	-rw-r--r--
command-line.scm	18.6 KB	-rw-r--r--
common-list.scm	8.95 KB	-rw-r--r--
control.scm	4.08 KB	-rw-r--r--
copy-tree.scm	3.05 KB	-rw-r--r--
curried-definitions.scm	1.79 KB	-rw-r--r--
deprecated.scm	1.54 KB	-rw-r--r--
documentation.scm	7.41 KB	-rw-r--r--
eval-string.scm	2.99 KB	-rw-r--r--
eval.scm	25.08 KB	-rw-r--r--
exceptions.scm	14.38 KB	-rw-r--r--
expect.scm	5.5 KB	-rw-r--r--
fdes-finalizers.scm	1.06 KB	-rw-r--r--
format.scm	65.47 KB	-rw-r--r--
ftw.scm	25.06 KB	-rw-r--r--
futures.scm	10.49 KB	-rw-r--r--
gap-buffer.scm	9.59 KB	-rw-r--r--
getopt-long.scm	16.49 KB	-rw-r--r--
hash-table.scm	1.77 KB	-rw-r--r--
hcons.scm	2.55 KB	-rw-r--r--
history.scm	2.29 KB	-rw-r--r--
i18n.scm	20.51 KB	-rw-r--r--
iconv.scm	3.19 KB	-rw-r--r--
lineio.scm	3.85 KB	-rw-r--r--
list.scm	1.29 KB	-rw-r--r--
local-eval.scm	9.84 KB	-rw-r--r--
ls.scm	3.2 KB	-rw-r--r--
match.scm	2.18 KB	-rw-r--r--
match.upstream.scm	35.93 KB	-rw-r--r--
networking.scm	3.33 KB	-rw-r--r--
null.scm	1.21 KB	-rw-r--r--
occam-channel.scm	7.26 KB	-rw-r--r--
optargs.scm	15.75 KB	-rw-r--r--
peg.scm	1.64 KB	-rw-r--r--
poe.scm	3.3 KB	-rw-r--r--
poll.scm	5.79 KB	-rw-r--r--
popen.scm	9.27 KB	-rw-r--r--
ports.scm	19.08 KB	-rw-r--r--
posix.scm	2.73 KB	-rw-r--r--
pretty-print.scm	16.88 KB	-rw-r--r--
psyntax-pp.scm	182.88 KB	-rw-r--r--
psyntax.scm	148.97 KB	-rw-r--r--
q.scm	4.2 KB	-rw-r--r--
quasisyntax.scm	5.22 KB	-rw-r--r--
r5rs.scm	1.56 KB	-rw-r--r--
r6rs-libraries.scm	10.38 KB	-rw-r--r--
r7rs-libraries.scm	4.28 KB	-rw-r--r--
rdelim.scm	7.72 KB	-rw-r--r--
read.scm	32.52 KB	-rw-r--r--
readline.scm	9.56 KB	-rw-r--r--
receive.scm	1.06 KB	-rw-r--r--
regex.scm	8.87 KB	-rw-r--r--
runq.scm	8.18 KB	-rw-r--r--
rw.scm	1.02 KB	-rw-r--r--
safe-r5rs.scm	7.5 KB	-rw-r--r--
safe.scm	1.25 KB	-rw-r--r--
sandbox.scm	34.24 KB	-rw-r--r--
save-stack.scm	2.15 KB	-rw-r--r--
scm-style-repl.scm	11.62 KB	-rw-r--r--
serialize.scm	3.78 KB	-rw-r--r--
session.scm	17.72 KB	-rw-r--r--
slib.scm	1.55 KB	-rw-r--r--
stack-catch.scm	1.94 KB	-rw-r--r--
streams.scm	5.86 KB	-rw-r--r--
string-fun.scm	9.68 KB	-rw-r--r--
suspendable-ports.scm	29.86 KB	-rw-r--r--
textual-ports.scm	2.29 KB	-rw-r--r--
threads.scm	12.54 KB	-rw-r--r--
time.scm	2.07 KB	-rw-r--r--
top-repl.scm	2.63 KB	-rw-r--r--
unicode.scm	1005 B	-rw-r--r--
vlist.scm	21.56 KB	-rw-r--r--
weak-vector.scm	1.2 KB	-rw-r--r--

Code Editor : r7rs-libraries.scm

;; R7RS library support
;;      Copyright (C) 2020, 2021 Free Software Foundation, Inc.
;;
;; 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

;; This file is included from boot-9.scm and assumes the existence of (and
;; expands into) procedures and syntactic forms defined therein.

(define-syntax include-library-declarations
  (lambda (x)
    (syntax-violation
     'include-library-declarations
     "use of 'include-library-declarations' outside define-library" x x)))

;; FIXME: Implement properly!
(define-syntax-rule (include-ci filename)
  (include filename))

(define-syntax define-library
  (lambda (stx)
    (define (handle-includes filenames)
      (syntax-case filenames ()
        (() #'())
        ((filename . filenames)
         (append (call-with-include-port
                  #'filename
                  (lambda (p)
                    (let lp ()
                      (let ((x (read p)))
                        (if (eof-object? x)
                            #'()
                            (cons (datum->syntax #'filename x) (lp)))))))
                 (handle-includes #'filenames)))))

(define (handle-cond-expand clauses)
      (define (has-req? req)
        (syntax-case req (and or not library)
          ((and req ...)
           (and-map has-req? #'(req ...)))
          ((or req ...)
           (or-map has-req? #'(req ...)))
          ((not req)
           (not (has-req? #'req)))
          ((library lib-name)
           (->bool (resolve-interface (syntax->datum #'lib-name))))
          (id
           (identifier? #'id)
           ;; FIXME: R7RS (features) isn't quite the same as
           ;; %cond-expand-features; see scheme/base.scm.
           (memq (syntax->datum #'id) %cond-expand-features))))
      (syntax-case clauses ()
        (() #'())  ; R7RS says this is not specified :-/
        (((test decl ...) . clauses)
         (if (has-req? #'test)
             #'(decl ...)
             (handle-cond-expand #'clauses)))))

(define (partition-decls decls exports imports code)
      (syntax-case decls (export import begin include include-ci
                                 include-library-declarations cond-expand)
        (() (values exports imports (reverse code)))
        (((export clause ...) . decls)
         (partition-decls #'decls (append exports #'(clause ...)) imports code))
        (((import clause ...) . decls)
         (partition-decls #'decls exports (append imports #'(clause ...)) code))
        (((begin expr ...) . decls)
         (partition-decls #'decls exports imports
                          (cons #'(begin expr ...) code)))
        (((include filename ...) . decls)
         (partition-decls #'decls exports imports
                          (cons #'(begin (include filename) ...) code)))
        (((include-ci filename ...) . decls)
         (partition-decls #'decls exports imports
                          (cons #'(begin (include-ci filename) ...) code)))
        (((include-library-declarations filename ...) . decls)
         (syntax-case (handle-includes #'(filename ...)) ()
           ((decl ...)
            (partition-decls #'(decl ... . decls) exports imports code))))
        (((cond-expand clause ...) . decls)
         (syntax-case (handle-cond-expand #'(clause ...)) ()
           ((decl ...)
            (partition-decls #'(decl ... . decls) exports imports code))))))

(syntax-case stx ()
      ((_ name decl ...)
       (call-with-values (lambda ()
                           (partition-decls #'(decl ...) '() '() '()))
         (lambda (exports imports code)
           #`(library name
               (export . #,exports)
               (import . #,imports)
               . #,code)))))))

${this.title}

Code Editor : r7rs-libraries.scm