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