Artifact 72138ccb98bfa1ea8646ed1277b762fa63758d68:
- File srfi/private/registry.sls — part of check-in [80c8c83034] at 2016-07-07 18:11:39 on branch trunk — initial import (user: ovenpasta@pizzahack.eu size: 3860)
;; Copyright (c) 2009 Derick Eddington. All rights reserved.
;; Licensed under an MIT-style license. My license is in the file
;; named LICENSE from the original collection this file is distributed
;; with. If this file is redistributed with some other collection, my
;; license must also be included.
#!r6rs
(library (srfi private registry)
(export
available-features)
(import
(rnrs)
(srfi private platform-features))
(define available-features
(let-syntax
((SRFI-features
(lambda (stx)
(define SRFIs
'((0 cond-expand)
(1 lists)
(2 and-let*)
#;(5 let)
(6 basic-string-ports)
(8 receive)
(9 records)
(11 let-values)
(13 strings)
(14 char-sets)
(16 case-lambda)
#;(17 generalized-set!)
#;(18 multithreading)
(19 time)
#;(21 real-time-multithreading)
(23 error)
(25 multi-dimensional-arrays)
(26 cut)
(27 random-bits)
#;(28 basic-format-strings)
#;(29 localization)
(31 rec)
(37 args-fold)
(38 with-shared-structure)
(39 parameters)
(41 streams)
(42 eager-comprehensions)
(43 vectors)
#;(44 collections)
#;(45 lazy)
#;(46 syntax-rules)
#;(47 arrays)
(48 intermediate-format-strings)
#;(51 rest-values)
#;(54 cat)
#;(57 records)
#;(59 vicinities)
#;(60 integer-bits)
(61 cond)
#;(63 arrays)
(64 testing)
#;(66 octet-vectors)
(67 compare-procedures)
(69 basic-hash-tables)
#;(71 let)
#;(74 blobs)
(78 lightweight-testing)
#;(86 mu-and-nu)
#;(87 case)
#;(95 sorting-and-merging)
(98 os-environment-variables)
(99 records)))
(define (make-feature-names x)
(define number car)
(define mnemonic cdr)
(define (make-symbol . args)
(string->symbol (apply string-append
(map (lambda (a)
(if (symbol? a)
(symbol->string a)
a))
args))))
(let* ((n-str (number->string (number x)))
(colon-n (make-symbol ":" n-str))
(srfi-n (make-symbol "srfi-" n-str))
(srfi-n-m (apply make-symbol srfi-n
(map (lambda (m) (make-symbol "-" m))
(mnemonic x)))))
;; The first two are recommended by SRFI-97.
;; The last two are the two types of SRFI-97 library name.
(list srfi-n
srfi-n-m
`(srfi ,colon-n)
`(srfi ,colon-n . ,(mnemonic x)))))
(syntax-case stx ()
((kw)
#`(quote #,(datum->syntax #'kw
(apply append (map make-feature-names SRFIs)))))))))
`(,@(OS-features)
,@(implementation-features)
,@(SRFI-features)
r6rs)))
)