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https://github.com/ashinn/chibi-scheme.git
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8b5eb68238
They can be close()d explicitly with close-file-descriptor, and will close() on gc, but only explicitly closing the last port on them will close the fileno. Notably needed for network sockets where we open separate input and output ports on the same socket.
72 lines
2.9 KiB
Scheme
72 lines
2.9 KiB
Scheme
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(define-library (chibi regexp)
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(export regexp regexp? valid-sre? rx regexp->sre char-set->sre
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regexp-matches regexp-matches? regexp-search
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regexp-replace regexp-replace-all
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regexp-fold regexp-extract regexp-split
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regexp-match? regexp-match-num-matches
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regexp-match-submatch regexp-match-submatch/list
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regexp-match->list regexp-match->sexp)
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(import (srfi 33) (srfi 69))
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;; Chibi's char-set library is more factored than SRFI-14.
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(cond-expand
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(chibi
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(import (chibi) (srfi 9) (chibi char-set)
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(chibi char-set full)
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(prefix (chibi char-set ascii) %)))
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(else
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(import (scheme base) (srfi 14))
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(begin
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(define %char-set:letter
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(char-set-intersection char-set:ascii char-set:letter))
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(define %char-set:lower-case
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(char-set-intersection char-set:ascii char-set:lower-case))
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(define %char-set:upper-case
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(char-set-intersection char-set:ascii char-set:upper-case))
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(define %char-set:digit
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(char-set-intersection char-set:ascii char-set:digit))
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(define %char-set:letter+digit
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(char-set-intersection char-set:ascii char-set:letter+digit))
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(define %char-set:punctuation
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(char-set-intersection char-set:ascii char-set:punctuation))
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(define %char-set:graphic
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(char-set-intersection char-set:ascii char-set:graphic))
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(define %char-set:whitespace
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(char-set-intersection char-set:ascii char-set:whitespace))
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(define %char-set:printing
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(char-set-intersection char-set:ascii char-set:printing))
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(define %char-set:iso-control
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(char-set-intersection char-set:ascii char-set:iso-control)))))
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(import (chibi char-set boundary))
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;; Use string-cursors where available.
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(begin
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(define string-cursor? integer?))
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(cond-expand
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(chibi
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(begin
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(define (string-start-arg s o)
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(if (pair? o) (string-index->offset s (car o)) (string-cursor-start s)))
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(define (string-end-arg s o)
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(if (pair? o) (string-index->offset s (car o)) (string-cursor-end s)))
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(define (string-concatenate-reverse ls)
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(string-concatenate (reverse ls)))))
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(else
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(begin
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(define (string-start-arg s o)
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(if (pair? o) (string-index->offset s (car o)) 0))
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(define (string-end-arg s o)
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(if (pair? o) (string-index->offset (car o)) (string-length s)))
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(define string-cursor=? =)
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(define string-cursor<? <)
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(define string-cursor<=? <=)
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(define string-cursor>? >)
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(define string-cursor>=? >=)
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(define string-cursor-ref string-ref)
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(define (string-cursor-next s i) (+ i 1))
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(define (string-cursor-prev s i) (- i 1))
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(define substring-cursor substring)
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(define (string-offset->index str off) off)
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(define (string-index->offset str i) i)
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(define (string-concatenate-reverse ls)
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(apply string-append (reverse ls))))))
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(include "regexp.scm"))
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