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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.
69 lines
2.1 KiB
Text
Executable file
69 lines
2.1 KiB
Text
Executable file
#! /usr/bin/env chibi-scheme
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(import (scheme base)
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(scheme write)
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(scheme file)
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(scheme process-context)
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(chibi string)
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(chibi scribble)
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(chibi doc)
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(chibi sxml))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; print an error and exit without a stack trace
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(define (die . args)
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(for-each display args)
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(newline)
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(exit 1))
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;; convert directly from scribble to the output format
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(define (convert-scribble render in)
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((or render sxml-display-as-html)
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(generate-docs (scribble-parse in))))
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;; utility to convert from "foo.bar" to (foo bar)
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(define (split-module-name str)
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(map (lambda (x) (or (string->number x) (string->symbol x)))
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(string-split str #\.)))
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;; main
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(define (run args render)
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(case (length args)
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((0)
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(convert-scribble render (current-input-port)))
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((1)
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(let ((name (car args)))
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(cond
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((equal? "-" name)
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(convert-scribble render (current-input-port)))
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((file-exists? name)
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(call-with-input-file name
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(lambda (in) (convert-scribble render in))))
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(else
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;; load the module so that examples work
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(let ((mod-name (split-module-name name)))
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(print-module-docs mod-name (current-output-port) render))))))
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((2)
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(let* ((name (car args))
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(var (cadr args))
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(mod-name (split-module-name name)))
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(print-module-binding-docs
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mod-name (string->symbol var) (current-output-port) render)))
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(else
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(die "usage: chibi-doc [<scribble-file> | <module-name> [<var>]]"))))
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;; parse the command-line
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(let lp ((args (cdr (command-line)))
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(render #f))
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(cond
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((and (pair? args) (not (equal? "" (car args)))
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(eqv? #\- (string-ref (car args) 0)))
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(case (string->symbol (substring (car args) 1))
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((h -html) (lp (cdr args) sxml-display-as-html))
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((s -sxml) (lp (cdr args) write))
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((t -text) (lp (cdr args) sxml-display-as-text))
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((-) (run (cdr args) render))
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(else (die "unknown option: " (car args)))))
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(else
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(run args render))))
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