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src/duck-extract.scm

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+;;
+;; duck-extract.scm
+;;
+;; Duck - a CHICKEN in-source documentation: extraction tool.
+;;
+;; ISC License
+;;
+;; Copyright 2023 Dominik Pantůček <dominik.pantucek@trustica.cz>
+;;
+;; Permission to use, copy, modify, and/or distribute this software
+;; for any purpose with or without fee is hereby granted, provided
+;; that the above copyright notice and this permission notice appear
+;; in all copies.
+;; 
+;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+;;
+
+(declare (unit duck-extract))
+
+(module
+ duck-extract
+ (
+  print-module-duck
+  )
+
+ (import scheme
+	 (chicken base)
+	 (chicken string)
+	 (chicken format))
+
+ (define (print-duck-text dt)
+   (print
+    (string-intersperse
+     (map (lambda (x)
+	    (format "~A" x))
+	  dt)
+     " ")))
+
+ (define (print-duck-module sec)
+   (print "## " (cadr sec) " [module]")
+   (newline)
+   (print-duck-text (caddr sec)))
+
+ (define (print-duck-variable sec)
+   (newline)
+   (print "### " (cadr sec) " [variable]")
+   (newline)
+   (print "    (define " (cadr sec) " " (cadddr sec) ")")
+   (newline)
+   (print-duck-text (caddr sec)))
+
+ (define (print-duck-parameter sec)
+   (newline)
+   (print "### " (cadr sec) " [parameter]")
+   (newline)
+   (print "    (define " (cadr sec) " (make-parameter " (list-ref sec 4) "))")
+   (print "    (" (cadr sec) ")")
+   (print "    (" (cadr sec) " " (cadddr sec) ")")
+   (newline)
+   (print-duck-text (caddr sec)))
+
+ (define (print-duck-procedure sec)
+   (newline)
+   (print "### " (cadr sec) " [procedure]")
+   (newline)
+   (print "    " (cons (cadr sec) (cadddr sec)))
+   (newline)
+   (print-duck-text (caddr sec)))
+
+ (define (print-duck-unknown sec)
+   (print sec))
+
+ (define (print-module-duck mod)
+   (let loop ((mod mod))
+     (when (not (null? mod))
+       (when (car mod)
+	 (case (caar mod)
+	   ((MOD) (print-duck-module (car mod)))
+	   ((VAR) (print-duck-variable (car mod)))
+	   ((PAR) (print-duck-parameter (car mod)))
+	   ((FUN) (print-duck-procedure (car mod)))
+	   (else (print-duck-unknown (car mod)))))
+       (loop (cdr mod)))))
+
+ )