source: trunk/essentials/sys-apps/texinfo/util/gdoc

Last change on this file was 2617, checked in by bird, 19 years ago

GNU Texinfo 4.8

File size: 27.0 KB
Line 
1#!/usr/bin/perl
2
3## Copyright (c) 2002, 2003 Simon Josefsson ##
4## added -texinfo, -listfunc ##
5## man page revamp ##
6## various improvements ##
7## Copyright (c) 1998 Michael Zucchi, All Rights Reserved ##
8## hacked to allow -tex option --nmav ##
9## ##
10## This software falls under the GNU Public License. Please read ##
11## the COPYING file for more information ##
12
13#
14# This will read a 'c' file and scan for embedded comments in the
15# style of gnome comments (+minor extensions - see below).
16#
17# This program is modified by Nikos Mavroyanopoulos, for the gnutls
18# project.
19
20# Note: This only supports 'c'.
21
22# usage:
23# gdoc [ -docbook | -html | -text | -man | -tex | -texinfo | -listfunc ]
24# [ -sourceversion verno ] [ -includefuncprefix ] [ -bugsto address ]
25# [ -seeinfo infonode ] [ -copyright notice ] [ -verbatimcopying ]
26# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfil
27e
28#
29# Set output format using one of -docbook, -html, -text, -man, -tex,
30# -texinfo, or -listfunc. Default is man.
31#
32# -sourceversion
33# Version number for source code, e.g. '1.0.4'. Used in 'man' headers.
34# Defaults to using current date.
35#
36# -includefuncprefix
37# For man pages, generate a #include <FILE.h> based on the function
38# prefix. For example, a function gss_init_sec_context will generate
39# an include statement of #include <gss.h>.
40#
41# -bugsto address
42# For man pages, include a section about reporting bugs and mention
43# the given e-mail address, e.g 'bug-libidn@gnu.org'.
44#
45# -seeinfo infonode
46# For man pages, include a section that point to an info manual
47# for more information.
48#
49# -copyright notice
50# For man pages, include a copyright section with the given
51# notice after a preamble. Use, e.g., '2002, 2003 Simon Josefsson'.
52#
53# -verbatimcopying
54# For man pages, and when the -copyright parameter is used,
55# add a licensing statement that say verbatim copying is permitted.
56#
57# -function funcname
58# If set, then only generate documentation for the given function(s). A
59ll
60# other functions are ignored.
61#
62# c files - list of 'c' files to process
63#
64# All output goes to stdout, with errors to stderr.
65
66#
67# format of comments.
68# In the following table, (...)? signifies optional structure.
69# (...)* signifies 0 or more structure elements
70# /**
71# * function_name(:)? (- short description)?
72# (* @parameterx: (description of parameter x)?)*
73# (* a blank line)?
74# * (Description:)? (Description of function)?
75# * (Section header: (section description)? )*
76# (*)?*/
77#
78# So .. the trivial example would be:
79#
80# /**
81# * my_function
82# **/
83#
84# If the Description: header tag is ommitted, then there must be a blank line
85# after the last parameter specification.
86# e.g.
87# /**
88# * my_function - does my stuff
89# * @my_arg: its mine damnit
90# *
91# * Does my stuff explained.
92# */
93#
94# or, could also use:
95# /**
96# * my_function - does my stuff
97# * @my_arg: its mine damnit
98# * Description: Does my stuff explained.
99# */
100# etc.
101#
102# All descriptions can be multiline, apart from the short function description
103.
104#
105# All descriptive text is further processed, scanning for the following specia
106l
107# patterns, which are highlighted appropriately.
108#
109# 'funcname()' - function
110# '$ENVVAR' - environmental variable
111# '&struct_name' - name of a structure
112# '@parameter' - name of a parameter
113# '%CONST' - name of a constant.
114
115#
116# Extensions for LaTeX:
117#
118# 1. the symbol '->' will be replaced with a rightarrow
119# 2. x^y with ${x}^{y}$.
120# 3. xxx\: with xxx:
121
122use POSIX qw(strftime);
123
124# match expressions used to find embedded type information
125$type_constant = "\\\%(\\w+)";
126$type_func = "(\\w+\\(\\))";
127$type_param = "\\\@(\\w+)";
128$type_struct = "\\\&(\\w+)";
129$type_env = "(\\\$\\w+)";
130
131
132# Output conversion substitutions.
133# One for each output format
134
135# these work fairly well
136%highlights_html = ( $type_constant, "<i>\$1</i>",
137 $type_func, "<b>\$1</b>",
138 $type_struct, "<i>\$1</i>",
139 $type_param, "<tt><b>\$1</b></tt>" );
140$blankline_html = "<p>";
141
142%highlights_texinfo = ( $type_constant, "\\\@var{\$1}",
143 $type_func, "\\\@code{\$1}",
144 $type_struct, "\\\@code{\$1}",
145 $type_param, "\\\@code{\$1}" );
146$blankline_texinfo = "";
147
148%highlights_tex = ( $type_constant, "{\\\\it \$1}",
149 $type_func, "{\\\\bf \$1}",
150 $type_struct, "{\\\\it \$1}",
151 $type_param, "{\\\\bf \$1}" );
152$blankline_tex = "\\\\";
153
154# sgml, docbook format
155%highlights_sgml = ( $type_constant, "<replaceable class=\"option\">\$1</repla
156ceable>",
157 $type_func, "<function>\$1</function>",
158 $type_struct, "<structname>\$1</structname>",
159 $type_env, "<envar>\$1</envar>",
160 $type_param, "<parameter>\$1</parameter>" );
161$blankline_sgml = "</para><para>\n";
162
163# these are pretty rough
164%highlights_man = ( $type_constant, "\\n.I \\\"\$1\\\"\\n",
165 $type_func, "\\n.B \\\"\$1\\\"\\n",
166 $type_struct, "\\n.I \\\"\$1\\\"\\n",
167 $type_param."([\.\, ]*)\n?", "\\n.I \\\"\$1\$2\\\"\\n" );
168$blankline_man = "";
169
170# text-mode
171%highlights_text = ( $type_constant, "\$1",
172 $type_func, "\$1",
173 $type_struct, "\$1",
174 $type_param, "\$1" );
175$blankline_text = "";
176
177
178sub usage {
179 print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -tex | -texinf
180o -listfunc ]\n";
181 print " [ -sourceversion verno ] [ -includefuncprefix ]\n";
182 print " [ -bugsto address ] [ -seeinfo infonode ] [ -copyright not
183ice]\n";
184 print " [ -verbatimcopying ]\n";
185 print " [ -function funcname [ -function funcname ...] ]\n";
186 print " c source file(s) > outputfile\n";
187 exit 1;
188}
189
190# read arguments
191if ($#ARGV==-1) {
192 usage();
193}
194
195$verbose = 0;
196$output_mode = "man";
197%highlights = %highlights_man;
198$blankline = $blankline_man;
199$modulename = "API Documentation";
200$sourceversion = strftime "%Y-%m-%d", localtime;
201$function_only = 0;
202while ($ARGV[0] =~ m/^-(.*)/) {
203 $cmd = shift @ARGV;
204 if ($cmd eq "-html") {
205 $output_mode = "html";
206 %highlights = %highlights_html;
207 $blankline = $blankline_html;
208 } elsif ($cmd eq "-man") {
209 $output_mode = "man";
210 %highlights = %highlights_man;
211 $blankline = $blankline_man;
212 } elsif ($cmd eq "-tex") {
213 $output_mode = "tex";
214 %highlights = %highlights_tex;
215 $blankline = $blankline_tex;
216 } elsif ($cmd eq "-texinfo") {
217 $output_mode = "texinfo";
218 %highlights = %highlights_texinfo;
219 $blankline = $blankline_texinfo;
220 } elsif ($cmd eq "-text") {
221 $output_mode = "text";
222 %highlights = %highlights_text;
223 $blankline = $blankline_text;
224 } elsif ($cmd eq "-docbook") {
225 $output_mode = "sgml";
226 %highlights = %highlights_sgml;
227 $blankline = $blankline_sgml;
228 } elsif ($cmd eq "-listfunc") {
229 $output_mode = "listfunc";
230 } elsif ($cmd eq "-module") { # not needed for sgml, inherits from calling
231 document
232 $modulename = shift @ARGV;
233 } elsif ($cmd eq "-sourceversion") {
234 $sourceversion = shift @ARGV;
235 } elsif ($cmd eq "-includefuncprefix") {
236 $includefuncprefix = 1;
237 } elsif ($cmd eq "-bugsto") {
238 $bugsto = shift @ARGV;
239 } elsif ($cmd eq "-copyright") {
240 $copyright = shift @ARGV;
241 } elsif ($cmd eq "-verbatimcopying") {
242 $verbatimcopying = 1;
243 } elsif ($cmd eq "-seeinfo") {
244 $seeinfo = shift @ARGV;
245 } elsif ($cmd eq "-function") { # to only output specific functions
246 $function_only = 1;
247 $function = shift @ARGV;
248 $function_table{$function} = 1;
249 } elsif ($cmd eq "-v") {
250 $verbose = 1;
251 } elsif (($cmd eq "-h") || ($cmd eq "--help")) {
252 usage();
253 }
254}
255
256##
257# dumps section contents to arrays/hashes intended for that purpose.
258#
259sub dump_section {
260 my $name = shift @_;
261 my $contents = join "\n", @_;
262
263 if ($name =~ m/$type_constant/) {
264 $name = $1;
265# print STDERR "constant section '$1' = '$contents'\n";
266 $constants{$name} = $contents;
267 } elsif ($name =~ m/$type_param/) {
268# print STDERR "parameter def '$1' = '$contents'\n";
269 $name = $1;
270 $parameters{$name} = $contents;
271 } else {
272# print STDERR "other section '$name' = '$contents'\n";
273 $sections{$name} = $contents;
274 push @sectionlist, $name;
275 }
276}
277
278##
279# output function
280#
281# parameters, a hash.
282# function => "function name"
283# parameterlist => @list of parameters
284# parameters => %parameter descriptions
285# sectionlist => @list of sections
286# sections => %descriont descriptions
287#
288
289sub repstr {
290 $pattern = shift;
291 $repl = shift;
292 $match1 = shift;
293 $match2 = shift;
294 $match3 = shift;
295 $match4 = shift;
296
297 $output = $repl;
298 $output =~ s,\$1,$match1,g;
299 $output =~ s,\$2,$match2,g;
300 $output =~ s,\$3,$match3,g;
301 $output =~ s,\$4,$match4,g;
302
303 eval "\$return = qq/$output/";
304
305# print "pattern $pattern matched 1=$match1 2=$match2 3=$match3 4=$match4 r
306eplace $repl yielded $output interpolated $return\n";
307
308 $return;
309}
310
311sub output_highlight {
312 my $contents = join "\n", @_;
313 my $line;
314
315 foreach $pattern (keys %highlights) {
316# print "scanning pattern $pattern ($highlights{$pattern})\n";
317 $contents =~ s:$pattern:repstr($pattern, $highlights{$pattern}, $1, $2
318, $3, $4):gse;
319 }
320 foreach $line (split "\n", $contents) {
321 if ($line eq ""){
322 print $lineprefix, $blankline;
323 } else {
324 print $lineprefix, $line;
325 }
326 print "\n";
327 }
328}
329
330sub just_highlight {
331 my $contents = join "\n", @_;
332 my $line;
333 my $ret = "";
334
335 foreach $pattern (keys %highlights) {
336# print "scanning pattern $pattern ($highlights{$pattern})\n";
337 $contents =~ s:$pattern:repstr($pattern, $highlights{$pattern}, $1, $2
338, $3, $4):gse;
339 }
340 foreach $line (split "\n", $contents) {
341 if ($line eq ""){
342 $ret = $ret . $lineprefix . $blankline;
343 } else {
344 $ret = $ret . $lineprefix . $line;
345 }
346 $ret = $ret . "\n";
347 }
348
349 return $ret;
350}
351
352# output in texinfo
353sub output_texinfo {
354 my %args = %{$_[0]};
355 my ($parameter, $section);
356 my $count;
357
358 print "\@deftypefun {" . $args{'functiontype'} . "} ";
359 print "{".$args{'function'}."} ";
360 print "(";
361 $count = 0;
362 foreach $parameter (@{$args{'parameterlist'}}) {
363 print $args{'parametertypes'}{$parameter}." \@var{".$parameter."}";
364 if ($count != $#{$args{'parameterlist'}}) {
365 $count++;
366 print ", ";
367 }
368 }
369 print ")\n";
370 foreach $parameter (@{$args{'parameterlist'}}) {
371 if ($args{'parameters'}{$parameter}) {
372 print "\@var{".$parameter."}: ";
373 output_highlight($args{'parameters'}{$parameter});
374 print "\n";
375 }
376 }
377 foreach $section (@{$args{'sectionlist'}}) {
378 print "\n\@strong{$section:} " if $section ne $section_default;
379 $args{'sections'}{$section} =~ s:([{}]):\@\1:gs;
380 output_highlight($args{'sections'}{$section});
381 }
382 print "\@end deftypefun\n\n";
383}
384
385# output in html
386sub output_html {
387 my %args = %{$_[0]};
388 my ($parameter, $section);
389 my $count;
390 print "\n\n<a name=\"". $args{'function'} . "\">&nbsp</a><h2>Function</h2>
391\n";
392
393 print "<i>".$args{'functiontype'}."</i>\n";
394 print "<b>".$args{'function'}."</b>\n";
395 print "(";
396 $count = 0;
397 foreach $parameter (@{$args{'parameterlist'}}) {
398 print "<i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parameter.
399"</b>\n";
400 if ($count != $#{$args{'parameterlist'}}) {
401 $count++;
402 print ", ";
403 }
404 }
405 print ")\n";
406
407 print "<h3>Arguments</h3>\n";
408 print "<dl>\n";
409 foreach $parameter (@{$args{'parameterlist'}}) {
410 print "<dt><i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parame
411ter."</b>\n";
412 print "<dd>";
413 output_highlight($args{'parameters'}{$parameter});
414 }
415 print "</dl>\n";
416 foreach $section (@{$args{'sectionlist'}}) {
417 print "<h3>$section</h3>\n";
418 print "<ul>\n";
419 output_highlight($args{'sections'}{$section});
420 print "</ul>\n";
421 }
422 print "<hr>\n";
423}
424
425# output in tex
426sub output_tex {
427 my %args = %{$_[0]};
428 my ($parameter, $section);
429 my $count;
430 my $func = $args{'function'};
431 my $param;
432 my $param2;
433 my $sec;
434 my $check;
435 my $type;
436
437 $func =~ s/_/\\_/g;
438
439 print "\n\n\\subsection{". $func . "}\n\\label{" . $args{'function'} . "}\
440n";
441
442 $type = $args{'functiontype'};
443 $type =~ s/_/\\_/g;
444
445 print "{\\it ".$type."}\n";
446 print "{\\bf ".$func."}\n";
447 print "(";
448 $count = 0;
449 foreach $parameter (@{$args{'parameterlist'}}) {
450 $param = $args{'parametertypes'}{$parameter};
451 $param2 = $parameter;
452 $param =~ s/_/\\_/g;
453 $param2 =~ s/_/\\_/g;
454
455 print "{\\it ".$param."} {\\bf ".$param2."}";
456 if ($count != $#{$args{'parameterlist'}}) {
457 $count++;
458 print ", ";
459 }
460 }
461 print ")\n";
462
463 print "\n{\\large{Arguments}}\n";
464
465 print "\\begin{itemize}\n";
466 $check=0;
467 foreach $parameter (@{$args{'parameterlist'}}) {
468 $param1 = $args{'parametertypes'}{$parameter};
469 $param1 =~ s/_/\\_/g;
470 $param2 = $parameter;
471 $param2 =~ s/_/\\_/g;
472
473 $check = 1;
474 print "\\item {\\it ".$param1."} {\\bf ".$param2."}: \n";
475# print "\n";
476
477 $param3 = $args{'parameters'}{$parameter};
478 $param3 =~ s/&([a-zA-Z\_]+)/{\\it \1}/g;
479
480 $out = just_highlight($param3);
481 $out =~ s/_/\\_/g;
482 print $out;
483 }
484 if ($check==0) {
485 print "\\item void\n";
486 }
487 print "\\end{itemize}\n";
488
489 foreach $section (@{$args{'sectionlist'}}) {
490 $sec = $section;
491 $sec =~ s/_/\\_/g;
492 $sec =~ s/&([a-zA-Z\_]+)/{\\it \1}/g;
493
494 print "\n{\\large{$sec}}\\\\\n";
495 print "\\begin{rmfamily}\n";
496
497 $sec = $args{'sections'}{$section};
498 $sec =~ s/\\:/:/g;
499 $sec =~ s/&([a-zA-Z\_]+)/{\\it \1}/g;
500 $sec =~ s/->/\$\\rightarrow\$/g;
501 $sec =~ s/([0-9]+)\^([0-9]+)/\$\{\1\}\^\{\2\}\$/g;
502
503 $out = just_highlight($sec);
504 $out =~ s/_/\\_/g;
505
506 print $out;
507 print "\\end{rmfamily}\n";
508 }
509 print "\n";
510}
511
512
513# output in sgml DocBook
514sub output_sgml {
515 my %args = %{$_[0]};
516 my ($parameter, $section);
517 my $count;
518 my $id;
519
520 $id = $args{'module'}."-".$args{'function'};
521 $id =~ s/[^A-Za-z0-9]/-/g;
522
523 print "<refentry>\n";
524 print "<refmeta>\n";
525 print "<refentrytitle><phrase id=\"$id\">".$args{'function'}."</phrase></r
526efentrytitle>\n";
527 print "</refmeta>\n";
528 print "<refnamediv>\n";
529 print " <refname>".$args{'function'}."</refname>\n";
530 print " <refpurpose>\n";
531 print " ".$args{'purpose'}."\n";
532 print " </refpurpose>\n";
533 print "</refnamediv>\n";
534
535 print "<refsynopsisdiv>\n";
536 print " <title>Synopsis</title>\n";
537 print " <funcsynopsis>\n";
538 print " <funcdef>".$args{'functiontype'}." ";
539 print "<function>".$args{'function'}." ";
540 print "</function></funcdef>\n";
541
542# print "<refsect1>\n";
543# print " <title>Synopsis</title>\n";
544# print " <funcsynopsis>\n";
545# print " <funcdef>".$args{'functiontype'}." ";
546# print "<function>".$args{'function'}." ";
547# print "</function></funcdef>\n";
548
549 $count = 0;
550 if ($#{$args{'parameterlist'}} >= 0) {
551 foreach $parameter (@{$args{'parameterlist'}}) {
552 print " <paramdef>".$args{'parametertypes'}{$parameter};
553 print " <parameter>$parameter</parameter></paramdef>\n";
554 }
555 } else {
556 print " <void>\n";
557 }
558 print " </funcsynopsis>\n";
559 print "</refsynopsisdiv>\n";
560# print "</refsect1>\n";
561
562 # print parameters
563 print "<refsect1>\n <title>Arguments</title>\n";
564# print "<para>\nArguments\n";
565 if ($#{$args{'parameterlist'}} >= 0) {
566 print " <variablelist>\n";
567 foreach $parameter (@{$args{'parameterlist'}}) {
568 print " <varlistentry>\n <term><parameter>$parameter</parameter
569></term>\n";
570 print " <listitem>\n <para>\n";
571 $lineprefix=" ";
572 output_highlight($args{'parameters'}{$parameter});
573 print " </para>\n </listitem>\n </varlistentry>\n";
574 }
575 print " </variablelist>\n";
576 } else {
577 print " <para>\n None\n </para>\n";
578 }
579 print "</refsect1>\n";
580
581 # print out each section
582 $lineprefix=" ";
583 foreach $section (@{$args{'sectionlist'}}) {
584 print "<refsect1>\n <title>$section</title>\n <para>\n";
585# print "<para>\n$section\n";
586 if ($section =~ m/EXAMPLE/i) {
587 print "<example><para>\n";
588 }
589 output_highlight($args{'sections'}{$section});
590# print "</para>";
591 if ($section =~ m/EXAMPLE/i) {
592 print "</para></example>\n";
593 }
594 print " </para>\n</refsect1>\n";
595 }
596
597 print "\n\n";
598}
599
600##
601# output in man
602sub output_man {
603 my %args = %{$_[0]};
604 my ($parameter, $section);
605 my $count;
606
607 print ".TH \"$args{'function'}\" 3 \"$args{'sourceversion'}\" \"". $args{'
608module'} . "\" \"". $args{'module'} . "\"\n";
609
610 print ".SH NAME\n";
611
612 print $args{'function'}."\n";
613
614 print ".SH SYNOPSIS\n";
615 print ".B #include <". lc((split /_/, $args{'function'})[0]) . ".h>\n"
616 if $args{'includefuncprefix'};
617 print ".sp\n";
618 print ".BI \"".$args{'functiontype'}." ".$args{'function'}."(";
619 $count = 0;
620 foreach $parameter (@{$args{'parameterlist'}}) {
621 print $args{'parametertypes'}{$parameter}." \" ".$parameter." \"";
622 if ($count != $#{$args{'parameterlist'}}) {
623 $count++;
624 print ", ";
625 }
626 }
627 print ");\"\n";
628
629 print ".SH ARGUMENTS\n";
630 foreach $parameter (@{$args{'parameterlist'}}) {
631 print ".IP \"".$args{'parametertypes'}{$parameter}." ".$parameter."\"
63212\n";
633 output_highlight($args{'parameters'}{$parameter});
634 }
635 foreach $section (@{$args{'sectionlist'}}) {
636 print ".SH \"" . uc($section) . "\"\n";
637 output_highlight($args{'sections'}{$section});
638 }
639
640 if ($args{'bugsto'}) {
641 print ".SH \"REPORTING BUGS\"\n";
642 print "Report bugs to <". $args{'bugsto'} . ">.\n";
643 }
644
645 if ($args{'copyright'}) {
646 print ".SH COPYRIGHT\n";
647 print "Copyright \\(co ". $args{'copyright'} . ".\n";
648 if ($args{'verbatimcopying'}) {
649 print ".br\n";
650 print "Permission is granted to make and distribute verbatim copie
651s of this\n";
652 print "manual provided the copyright notice and this permission no
653tice are\n";
654 print "preserved on all copies.\n";
655 }
656 }
657
658 if ($args{'seeinfo'}) {
659 print ".SH \"SEE ALSO\"\n";
660 print "The full documentation for\n";
661 print ".B " . $args{'module'} . "\n";
662 print "is maintained as a Texinfo manual. If the\n";
663 print ".B info\n";
664 print "and\n";
665 print ".B " . $args{'module'} . "\n";
666 print "programs are properly installed at your site, the command\n";
667 print ".IP\n";
668 print ".B info " . $args{'seeinfo'} . "\n";
669 print ".PP\n";
670 print "should give you access to the complete manual.\n";
671 }
672}
673
674sub output_listfunc {
675 my %args = %{$_[0]};
676 print $args{'function'} . "\n";
677}
678
679##
680# output in text
681sub output_text {
682 my %args = %{$_[0]};
683 my ($parameter, $section);
684
685 print "Function = ".$args{'function'}."\n";
686 print " return type: ".$args{'functiontype'}."\n\n";
687 foreach $parameter (@{$args{'parameterlist'}}) {
688 print " ".$args{'parametertypes'}{$parameter}." ".$parameter."\n";
689 print " -> ".$args{'parameters'}{$parameter}."\n";
690 }
691 foreach $section (@{$args{'sectionlist'}}) {
692 print " $section:\n";
693 print " -> ";
694 output_highlight($args{'sections'}{$section});
695 }
696}
697
698##
699# generic output function - calls the right one based
700# on current output mode.
701sub output_function {
702# output_html(@_);
703 eval "output_".$output_mode."(\@_);";
704}
705
706
707##
708# takes a function prototype and spits out all the details
709# stored in the global arrays/hsahes.
710sub dump_function {
711 my $prototype = shift @_;
712
713 if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
714 $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
715 $prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
716 $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
717 $prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/)
718 {
719 $return_type = $1;
720 $function_name = $2;
721 $args = $3;
722
723# print STDERR "ARGS = '$args'\n";
724
725 foreach $arg (split ',', $args) {
726 # strip leading/trailing spaces
727 $arg =~ s/^\s*//;
728 $arg =~ s/\s*$//;
729# print STDERR "SCAN ARG: '$arg'\n";
730 @args = split('\s', $arg);
731
732# print STDERR " -> @args\n";
733 $param = pop @args;
734# print STDERR " -> @args\n";
735 if ($param =~ m/^(\*+)(.*)/) {
736 $param = $2;
737 push @args, $1;
738 }
739 if ($param =~ m/^(.*)(\[\])$/) {
740 $param = $1;
741 push @args, $2;
742 }
743# print STDERR " :> @args\n";
744 $type = join " ", @args;
745
746 if ($parameters{$param} eq "" && $param != "void") {
747 $parameters{$param} = "-- undescribed --";
748 print STDERR "Warning($lineno): Function parameter '$param' no
749t described in '$function_name'\n";
750 }
751
752 push @parameterlist, $param;
753 $parametertypes{$param} = $type;
754
755# print STDERR "param = '$param', type = '$type'\n";
756 }
757 } else {
758 print STDERR "Error($lineno): cannot understand prototype: '$prototype
759'\n";
760 return;
761 }
762
763 if ($function_only==0 || defined($function_table{$function_name})) {
764 output_function({'function' => $function_name,
765 'module' => $modulename,
766 'sourceversion' => $sourceversion,
767 'includefuncprefix' => $includefuncprefix,
768 'bugsto' => $bugsto,
769 'copyright' => $copyright,
770 'verbatimcopying' => $verbatimcopying,
771 'seeinfo' => $seeinfo,
772 'functiontype' => $return_type,
773 'parameterlist' => \@parameterlist,
774 'parameters' => \%parameters,
775 'parametertypes' => \%parametertypes,
776 'sectionlist' => \@sectionlist,
777 'sections' => \%sections,
778 'purpose' => $function_purpose
779 });
780 }
781}
782
783######################################################################
784# main
785# states
786# 0 - normal code
787# 1 - looking for function name
788# 2 - scanning field start.
789# 3 - scanning prototype.
790$state = 0;
791$section = "";
792
793$doc_special = "\@\%\$\&";
794
795$doc_start = "^/\\*\\*\$";
796$doc_end = "\\*/";
797$doc_com = "\\s*\\*\\s*";
798$doc_func = $doc_com."(\\w+):?";
799$doc_sect = $doc_com."([".$doc_special."[:upper:]][\\w ]+):(.*)";
800$doc_content = $doc_com."(.*)";
801
802%constants = ();
803%parameters = ();
804@parameterlist = ();
805%sections = ();
806@sectionlist = ();
807
808$contents = "";
809$section_default = "Description"; # default section
810$section = $section_default;
811
812$lineno = 0;
813foreach $file (@ARGV) {
814 if (!open(IN,"<$file")) {
815 print STDERR "Error: Cannot open file $file\n";
816 next;
817 }
818 while (<IN>) {
819 $lineno++;
820
821 if ($state == 0) {
822 if (/$doc_start/o) {
823 $state = 1; # next line is always the function nam
824e
825 }
826 } elsif ($state == 1) { # this line is the function name (always)
827 if (/$doc_func/o) {
828 $function = $1;
829 $state = 2;
830 if (/-(.*)/) {
831 $function_purpose = $1;
832 } else {
833 $function_purpose = "";
834 }
835 if ($verbose) {
836 print STDERR "Info($lineno): Scanning doc for $function\n"
837;
838 }
839 } else {
840 print STDERR "WARN($lineno): Cannot understand $_ on line $lin
841eno",
842 " - I thought it was a doc line\n";
843 $state = 0;
844 }
845 } elsif ($state == 2) { # look for head: lines, and include content
846 if (/$doc_sect/o) {
847 $newsection = $1;
848 $newcontents = $2;
849
850 if ($contents ne "") {
851 dump_section($section, $contents);
852 $section = $section_default;
853 }
854
855 $contents = $newcontents;
856 if ($contents ne "") {
857 $contents .= "\n";
858 }
859 $section = $newsection;
860 } elsif (/$doc_end/) {
861
862 if ($contents ne "") {
863 dump_section($section, $contents);
864 $section = $section_default;
865 $contents = "";
866 }
867
868# print STDERR "end of doc comment, looking for prototype\n";
869 $prototype = "";
870 $state = 3;
871 } elsif (/$doc_content/) {
872 # miguel-style comment kludge, look for blank lines after
873 # @parameter line to signify start of description
874 if ($1 eq "" && $section =~ m/^@/) {
875 dump_section($section, $contents);
876 $section = $section_default;
877 $contents = "";
878 } else {
879 $contents .= $1."\n";
880 }
881 } else {
882 # i dont know - bad line? ignore.
883 print STDERR "WARNING($lineno): bad line: $_";
884 }
885 } elsif ($state == 3) { # scanning for function { (end of prototype)
886 if (m#\s*/\*\s+MACDOC\s*#io) {
887 # do nothing
888 }
889 elsif (/([^\{]*)/) {
890 $prototype .= $1;
891 }
892 if (/\{/) {
893 $prototype =~ s@/\*.*?\*/@@gos; # strip comments.
894 $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
895 $prototype =~ s@^ +@@gos; # strip leading spaces
896 dump_function($prototype);
897
898 $function = "";
899 %constants = ();
900 %parameters = ();
901 %parametertypes = ();
902 @parameterlist = ();
903 %sections = ();
904 @sectionlist = ();
905 $prototype = "";
906
907 $state = 0;
908 }
909 }
910 }
911}
912
913
914
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