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;;; extract-c-doc.scm -- Output Texinfo from "snarffed" C files.
;;;
;;; Copyright 2006, 2007 Free Software Foundation
;;;
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
;;; Written by Ludovic Courtès <ludo@chbouib.org>.
(use-modules (system documentation c-snarf)
(system documentation output)
(srfi srfi-1))
(define (main . args)
;; Arguments:
;;
;; 1. C file to be processed;
;; 2. how to invoke the CPP (e.g., "cpp -E");
;; 3. additional CPP flags (e.g., "-I /usr/local/include");
;; 4. optionally, a list of Scheme procedure names whose documentation is
;; to be output. If no such list is passed, then documentation for
;; all the Scheme functions available in the C source file is issued.
;;
(let* ((file (car args))
(cpp+args (string-tokenize (cadr args)))
(cpp (car cpp+args))
(cpp-flags (apply string-append (caddr args)
" -DSCM_MAGIC_SNARF_DOCS "
(cdr cpp+args)))
(procs (cdddr args)))
;;(format (current-error-port) "cpp-flags: ~a~%" cpp-flags)
(format (current-error-port) "extracting Texinfo doc from `~a'... "
file)
;; Don't mention the name of C functions.
(*document-c-functions?* #f)
(let ((proc-doc-list
(run-cpp-and-extract-snarfing file cpp
(string-tokenize cpp-flags))))
(display (apply string-append
(map procedure-texi-documentation
(if (null? procs)
proc-doc-list
(filter (lambda (proc-doc)
(let ((proc-name
(assq-ref proc-doc
'scheme-name)))
(member proc-name procs)))
proc-doc-list))))))
(format (current-error-port) "done.~%")
(exit 0)))
;;; Local Variables:
;;; mode: scheme
;;; coding: latin-1
;;; End:
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