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+#!/usr/bin/perl
+
+## Copyright (c) 2002, 2003 Simon Josefsson ##
+## added -texinfo, -listfunc ##
+## man page revamp ##
+## various improvements ##
+## Copyright (c) 1998 Michael Zucchi, All Rights Reserved ##
+## hacked to allow -tex option --nmav ##
+## ##
+## This software falls under the GNU Public License. Please read ##
+## the COPYING file for more information ##
+
+#
+# This will read a 'c' file and scan for embedded comments in the
+# style of gnome comments (+minor extensions - see below).
+#
+# This program is modified by Nikos Mavroyanopoulos, for the gnutls
+# project.
+
+# Note: This only supports 'c'.
+
+# usage:
+# gdoc [ -docbook | -html | -text | -man | -tex | -texinfo | -listfunc ]
+# [ -sourceversion verno ] [ -includefuncprefix ] [ -bugsto address ]
+# [ -seeinfo infonode ] [ -copyright notice ] [ -verbatimcopying ]
+# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfil
+e
+#
+# Set output format using one of -docbook, -html, -text, -man, -tex,
+# -texinfo, or -listfunc. Default is man.
+#
+# -sourceversion
+# Version number for source code, e.g. '1.0.4'. Used in 'man' headers.
+# Defaults to using current date.
+#
+# -includefuncprefix
+# For man pages, generate a #include <FILE.h> based on the function
+# prefix. For example, a function gss_init_sec_context will generate
+# an include statement of #include <gss.h>.
+#
+# -bugsto address
+# For man pages, include a section about reporting bugs and mention
+# the given e-mail address, e.g 'bug-libidn@gnu.org'.
+#
+# -seeinfo infonode
+# For man pages, include a section that point to an info manual
+# for more information.
+#
+# -copyright notice
+# For man pages, include a copyright section with the given
+# notice after a preamble. Use, e.g., '2002, 2003 Simon Josefsson'.
+#
+# -verbatimcopying
+# For man pages, and when the -copyright parameter is used,
+# add a licensing statement that say verbatim copying is permitted.
+#
+# -function funcname
+# If set, then only generate documentation for the given function(s). A
+ll
+# other functions are ignored.
+#
+# c files - list of 'c' files to process
+#
+# All output goes to stdout, with errors to stderr.
+
+#
+# format of comments.
+# In the following table, (...)? signifies optional structure.
+# (...)* signifies 0 or more structure elements
+# /**
+# * function_name(:)? (- short description)?
+# (* @parameterx: (description of parameter x)?)*
+# (* a blank line)?
+# * (Description:)? (Description of function)?
+# * (Section header: (section description)? )*
+# (*)?*/
+#
+# So .. the trivial example would be:
+#
+# /**
+# * my_function
+# **/
+#
+# If the Description: header tag is ommitted, then there must be a blank line
+# after the last parameter specification.
+# e.g.
+# /**
+# * my_function - does my stuff
+# * @my_arg: its mine damnit
+# *
+# * Does my stuff explained.
+# */
+#
+# or, could also use:
+# /**
+# * my_function - does my stuff
+# * @my_arg: its mine damnit
+# * Description: Does my stuff explained.
+# */
+# etc.
+#
+# All descriptions can be multiline, apart from the short function description
+.
+#
+# All descriptive text is further processed, scanning for the following specia
+l
+# patterns, which are highlighted appropriately.
+#
+# 'funcname()' - function
+# '$ENVVAR' - environmental variable
+# '&struct_name' - name of a structure
+# '@parameter' - name of a parameter
+# '%CONST' - name of a constant.
+
+#
+# Extensions for LaTeX:
+#
+# 1. the symbol '->' will be replaced with a rightarrow
+# 2. x^y with ${x}^{y}$.
+# 3. xxx\: with xxx:
+
+use POSIX qw(strftime);
+
+# match expressions used to find embedded type information
+$type_constant = "\\\%(\\w+)";
+$type_func = "(\\w+\\(\\))";
+$type_param = "\\\@(\\w+)";
+$type_struct = "\\\&(\\w+)";
+$type_env = "(\\\$\\w+)";
+
+
+# Output conversion substitutions.
+# One for each output format
+
+# these work fairly well
+%highlights_html = ( $type_constant, "<i>\$1</i>",
+ $type_func, "<b>\$1</b>",
+ $type_struct, "<i>\$1</i>",
+ $type_param, "<tt><b>\$1</b></tt>" );
+$blankline_html = "<p>";
+
+%highlights_texinfo = ( $type_constant, "\\\@var{\$1}",
+ $type_func, "\\\@code{\$1}",
+ $type_struct, "\\\@code{\$1}",
+ $type_param, "\\\@code{\$1}" );
+$blankline_texinfo = "";
+
+%highlights_tex = ( $type_constant, "{\\\\it \$1}",
+ $type_func, "{\\\\bf \$1}",
+ $type_struct, "{\\\\it \$1}",
+ $type_param, "{\\\\bf \$1}" );
+$blankline_tex = "\\\\";
+
+# sgml, docbook format
+%highlights_sgml = ( $type_constant, "<replaceable class=\"option\">\$1</repla
+ceable>",
+ $type_func, "<function>\$1</function>",
+ $type_struct, "<structname>\$1</structname>",
+ $type_env, "<envar>\$1</envar>",
+ $type_param, "<parameter>\$1</parameter>" );
+$blankline_sgml = "</para><para>\n";
+
+# these are pretty rough
+%highlights_man = ( $type_constant, "\\n.I \\\"\$1\\\"\\n",
+ $type_func, "\\n.B \\\"\$1\\\"\\n",
+ $type_struct, "\\n.I \\\"\$1\\\"\\n",
+ $type_param."([\.\, ]*)\n?", "\\n.I \\\"\$1\$2\\\"\\n" );
+$blankline_man = "";
+
+# text-mode
+%highlights_text = ( $type_constant, "\$1",
+ $type_func, "\$1",
+ $type_struct, "\$1",
+ $type_param, "\$1" );
+$blankline_text = "";
+
+
+sub usage {
+ print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -tex | -texinf
+o -listfunc ]\n";
+ print " [ -sourceversion verno ] [ -includefuncprefix ]\n";
+ print " [ -bugsto address ] [ -seeinfo infonode ] [ -copyright not
+ice]\n";
+ print " [ -verbatimcopying ]\n";
+ print " [ -function funcname [ -function funcname ...] ]\n";
+ print " c source file(s) > outputfile\n";
+ exit 1;
+}
+
+# read arguments
+if ($#ARGV==-1) {
+ usage();
+}
+
+$verbose = 0;
+$output_mode = "man";
+%highlights = %highlights_man;
+$blankline = $blankline_man;
+$modulename = "API Documentation";
+$sourceversion = strftime "%Y-%m-%d", localtime;
+$function_only = 0;
+while ($ARGV[0] =~ m/^-(.*)/) {
+ $cmd = shift @ARGV;
+ if ($cmd eq "-html") {
+ $output_mode = "html";
+ %highlights = %highlights_html;
+ $blankline = $blankline_html;
+ } elsif ($cmd eq "-man") {
+ $output_mode = "man";
+ %highlights = %highlights_man;
+ $blankline = $blankline_man;
+ } elsif ($cmd eq "-tex") {
+ $output_mode = "tex";
+ %highlights = %highlights_tex;
+ $blankline = $blankline_tex;
+ } elsif ($cmd eq "-texinfo") {
+ $output_mode = "texinfo";
+ %highlights = %highlights_texinfo;
+ $blankline = $blankline_texinfo;
+ } elsif ($cmd eq "-text") {
+ $output_mode = "text";
+ %highlights = %highlights_text;
+ $blankline = $blankline_text;
+ } elsif ($cmd eq "-docbook") {
+ $output_mode = "sgml";
+ %highlights = %highlights_sgml;
+ $blankline = $blankline_sgml;
+ } elsif ($cmd eq "-listfunc") {
+ $output_mode = "listfunc";
+ } elsif ($cmd eq "-module") { # not needed for sgml, inherits from calling
+ document
+ $modulename = shift @ARGV;
+ } elsif ($cmd eq "-sourceversion") {
+ $sourceversion = shift @ARGV;
+ } elsif ($cmd eq "-includefuncprefix") {
+ $includefuncprefix = 1;
+ } elsif ($cmd eq "-bugsto") {
+ $bugsto = shift @ARGV;
+ } elsif ($cmd eq "-copyright") {
+ $copyright = shift @ARGV;
+ } elsif ($cmd eq "-verbatimcopying") {
+ $verbatimcopying = 1;
+ } elsif ($cmd eq "-seeinfo") {
+ $seeinfo = shift @ARGV;
+ } elsif ($cmd eq "-function") { # to only output specific functions
+ $function_only = 1;
+ $function = shift @ARGV;
+ $function_table{$function} = 1;
+ } elsif ($cmd eq "-v") {
+ $verbose = 1;
+ } elsif (($cmd eq "-h") || ($cmd eq "--help")) {
+ usage();
+ }
+}
+
+##
+# dumps section contents to arrays/hashes intended for that purpose.
+#
+sub dump_section {
+ my $name = shift @_;
+ my $contents = join "\n", @_;
+
+ if ($name =~ m/$type_constant/) {
+ $name = $1;
+# print STDERR "constant section '$1' = '$contents'\n";
+ $constants{$name} = $contents;
+ } elsif ($name =~ m/$type_param/) {
+# print STDERR "parameter def '$1' = '$contents'\n";
+ $name = $1;
+ $parameters{$name} = $contents;
+ } else {
+# print STDERR "other section '$name' = '$contents'\n";
+ $sections{$name} = $contents;
+ push @sectionlist, $name;
+ }
+}
+
+##
+# output function
+#
+# parameters, a hash.
+# function => "function name"
+# parameterlist => @list of parameters
+# parameters => %parameter descriptions
+# sectionlist => @list of sections
+# sections => %descriont descriptions
+#
+
+sub repstr {
+ $pattern = shift;
+ $repl = shift;
+ $match1 = shift;
+ $match2 = shift;
+ $match3 = shift;
+ $match4 = shift;
+
+ $output = $repl;
+ $output =~ s,\$1,$match1,g;
+ $output =~ s,\$2,$match2,g;
+ $output =~ s,\$3,$match3,g;
+ $output =~ s,\$4,$match4,g;
+
+ eval "\$return = qq/$output/";
+
+# print "pattern $pattern matched 1=$match1 2=$match2 3=$match3 4=$match4 r
+eplace $repl yielded $output interpolated $return\n";
+
+ $return;
+}
+
+sub output_highlight {
+ my $contents = join "\n", @_;
+ my $line;
+
+ foreach $pattern (keys %highlights) {
+# print "scanning pattern $pattern ($highlights{$pattern})\n";
+ $contents =~ s:$pattern:repstr($pattern, $highlights{$pattern}, $1, $2
+, $3, $4):gse;
+ }
+ foreach $line (split "\n", $contents) {
+ if ($line eq ""){
+ print $lineprefix, $blankline;
+ } else {
+ print $lineprefix, $line;
+ }
+ print "\n";
+ }
+}
+
+sub just_highlight {
+ my $contents = join "\n", @_;
+ my $line;
+ my $ret = "";
+
+ foreach $pattern (keys %highlights) {
+# print "scanning pattern $pattern ($highlights{$pattern})\n";
+ $contents =~ s:$pattern:repstr($pattern, $highlights{$pattern}, $1, $2
+, $3, $4):gse;
+ }
+ foreach $line (split "\n", $contents) {
+ if ($line eq ""){
+ $ret = $ret . $lineprefix . $blankline;
+ } else {
+ $ret = $ret . $lineprefix . $line;
+ }
+ $ret = $ret . "\n";
+ }
+
+ return $ret;
+}
+
+# output in texinfo
+sub output_texinfo {
+ my %args = %{$_[0]};
+ my ($parameter, $section);
+ my $count;
+
+ print "\@deftypefun {" . $args{'functiontype'} . "} ";
+ print "{".$args{'function'}."} ";
+ print "(";
+ $count = 0;
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print $args{'parametertypes'}{$parameter}." \@var{".$parameter."}";
+ if ($count != $#{$args{'parameterlist'}}) {
+ $count++;
+ print ", ";
+ }
+ }
+ print ")\n";
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ if ($args{'parameters'}{$parameter}) {
+ print "\@var{".$parameter."}: ";
+ output_highlight($args{'parameters'}{$parameter});
+ print "\n";
+ }
+ }
+ foreach $section (@{$args{'sectionlist'}}) {
+ print "\n\@strong{$section:} " if $section ne $section_default;
+ $args{'sections'}{$section} =~ s:([{}]):\@\1:gs;
+ output_highlight($args{'sections'}{$section});
+ }
+ print "\@end deftypefun\n\n";
+}
+
+# output in html
+sub output_html {
+ my %args = %{$_[0]};
+ my ($parameter, $section);
+ my $count;
+ print "\n\n<a name=\"". $args{'function'} . "\">&nbsp</a><h2>Function</h2>
+\n";
+
+ print "<i>".$args{'functiontype'}."</i>\n";
+ print "<b>".$args{'function'}."</b>\n";
+ print "(";
+ $count = 0;
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print "<i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parameter.
+"</b>\n";
+ if ($count != $#{$args{'parameterlist'}}) {
+ $count++;
+ print ", ";
+ }
+ }
+ print ")\n";
+
+ print "<h3>Arguments</h3>\n";
+ print "<dl>\n";
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print "<dt><i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parame
+ter."</b>\n";
+ print "<dd>";
+ output_highlight($args{'parameters'}{$parameter});
+ }
+ print "</dl>\n";
+ foreach $section (@{$args{'sectionlist'}}) {
+ print "<h3>$section</h3>\n";
+ print "<ul>\n";
+ output_highlight($args{'sections'}{$section});
+ print "</ul>\n";
+ }
+ print "<hr>\n";
+}
+
+# output in tex
+sub output_tex {
+ my %args = %{$_[0]};
+ my ($parameter, $section);
+ my $count;
+ my $func = $args{'function'};
+ my $param;
+ my $param2;
+ my $sec;
+ my $check;
+ my $type;
+
+ $func =~ s/_/\\_/g;
+
+ print "\n\n\\subsection{". $func . "}\n\\label{" . $args{'function'} . "}\
+n";
+
+ $type = $args{'functiontype'};
+ $type =~ s/_/\\_/g;
+
+ print "{\\it ".$type."}\n";
+ print "{\\bf ".$func."}\n";
+ print "(";
+ $count = 0;
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ $param = $args{'parametertypes'}{$parameter};
+ $param2 = $parameter;
+ $param =~ s/_/\\_/g;
+ $param2 =~ s/_/\\_/g;
+
+ print "{\\it ".$param."} {\\bf ".$param2."}";
+ if ($count != $#{$args{'parameterlist'}}) {
+ $count++;
+ print ", ";
+ }
+ }
+ print ")\n";
+
+ print "\n{\\large{Arguments}}\n";
+
+ print "\\begin{itemize}\n";
+ $check=0;
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ $param1 = $args{'parametertypes'}{$parameter};
+ $param1 =~ s/_/\\_/g;
+ $param2 = $parameter;
+ $param2 =~ s/_/\\_/g;
+
+ $check = 1;
+ print "\\item {\\it ".$param1."} {\\bf ".$param2."}: \n";
+# print "\n";
+
+ $param3 = $args{'parameters'}{$parameter};
+ $param3 =~ s/&([a-zA-Z\_]+)/{\\it \1}/g;
+
+ $out = just_highlight($param3);
+ $out =~ s/_/\\_/g;
+ print $out;
+ }
+ if ($check==0) {
+ print "\\item void\n";
+ }
+ print "\\end{itemize}\n";
+
+ foreach $section (@{$args{'sectionlist'}}) {
+ $sec = $section;
+ $sec =~ s/_/\\_/g;
+ $sec =~ s/&([a-zA-Z\_]+)/{\\it \1}/g;
+
+ print "\n{\\large{$sec}}\\\\\n";
+ print "\\begin{rmfamily}\n";
+
+ $sec = $args{'sections'}{$section};
+ $sec =~ s/\\:/:/g;
+ $sec =~ s/&([a-zA-Z\_]+)/{\\it \1}/g;
+ $sec =~ s/->/\$\\rightarrow\$/g;
+ $sec =~ s/([0-9]+)\^([0-9]+)/\$\{\1\}\^\{\2\}\$/g;
+
+ $out = just_highlight($sec);
+ $out =~ s/_/\\_/g;
+
+ print $out;
+ print "\\end{rmfamily}\n";
+ }
+ print "\n";
+}
+
+
+# output in sgml DocBook
+sub output_sgml {
+ my %args = %{$_[0]};
+ my ($parameter, $section);
+ my $count;
+ my $id;
+
+ $id = $args{'module'}."-".$args{'function'};
+ $id =~ s/[^A-Za-z0-9]/-/g;
+
+ print "<refentry>\n";
+ print "<refmeta>\n";
+ print "<refentrytitle><phrase id=\"$id\">".$args{'function'}."</phrase></r
+efentrytitle>\n";
+ print "</refmeta>\n";
+ print "<refnamediv>\n";
+ print " <refname>".$args{'function'}."</refname>\n";
+ print " <refpurpose>\n";
+ print " ".$args{'purpose'}."\n";
+ print " </refpurpose>\n";
+ print "</refnamediv>\n";
+
+ print "<refsynopsisdiv>\n";
+ print " <title>Synopsis</title>\n";
+ print " <funcsynopsis>\n";
+ print " <funcdef>".$args{'functiontype'}." ";
+ print "<function>".$args{'function'}." ";
+ print "</function></funcdef>\n";
+
+# print "<refsect1>\n";
+# print " <title>Synopsis</title>\n";
+# print " <funcsynopsis>\n";
+# print " <funcdef>".$args{'functiontype'}." ";
+# print "<function>".$args{'function'}." ";
+# print "</function></funcdef>\n";
+
+ $count = 0;
+ if ($#{$args{'parameterlist'}} >= 0) {
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print " <paramdef>".$args{'parametertypes'}{$parameter};
+ print " <parameter>$parameter</parameter></paramdef>\n";
+ }
+ } else {
+ print " <void>\n";
+ }
+ print " </funcsynopsis>\n";
+ print "</refsynopsisdiv>\n";
+# print "</refsect1>\n";
+
+ # print parameters
+ print "<refsect1>\n <title>Arguments</title>\n";
+# print "<para>\nArguments\n";
+ if ($#{$args{'parameterlist'}} >= 0) {
+ print " <variablelist>\n";
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print " <varlistentry>\n <term><parameter>$parameter</parameter
+></term>\n";
+ print " <listitem>\n <para>\n";
+ $lineprefix=" ";
+ output_highlight($args{'parameters'}{$parameter});
+ print " </para>\n </listitem>\n </varlistentry>\n";
+ }
+ print " </variablelist>\n";
+ } else {
+ print " <para>\n None\n </para>\n";
+ }
+ print "</refsect1>\n";
+
+ # print out each section
+ $lineprefix=" ";
+ foreach $section (@{$args{'sectionlist'}}) {
+ print "<refsect1>\n <title>$section</title>\n <para>\n";
+# print "<para>\n$section\n";
+ if ($section =~ m/EXAMPLE/i) {
+ print "<example><para>\n";
+ }
+ output_highlight($args{'sections'}{$section});
+# print "</para>";
+ if ($section =~ m/EXAMPLE/i) {
+ print "</para></example>\n";
+ }
+ print " </para>\n</refsect1>\n";
+ }
+
+ print "\n\n";
+}
+
+##
+# output in man
+sub output_man {
+ my %args = %{$_[0]};
+ my ($parameter, $section);
+ my $count;
+
+ print ".TH \"$args{'function'}\" 3 \"$args{'sourceversion'}\" \"". $args{'
+module'} . "\" \"". $args{'module'} . "\"\n";
+
+ print ".SH NAME\n";
+
+ print $args{'function'}."\n";
+
+ print ".SH SYNOPSIS\n";
+ print ".B #include <". lc((split /_/, $args{'function'})[0]) . ".h>\n"
+ if $args{'includefuncprefix'};
+ print ".sp\n";
+ print ".BI \"".$args{'functiontype'}." ".$args{'function'}."(";
+ $count = 0;
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print $args{'parametertypes'}{$parameter}." \" ".$parameter." \"";
+ if ($count != $#{$args{'parameterlist'}}) {
+ $count++;
+ print ", ";
+ }
+ }
+ print ");\"\n";
+
+ print ".SH ARGUMENTS\n";
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print ".IP \"".$args{'parametertypes'}{$parameter}." ".$parameter."\"
+12\n";
+ output_highlight($args{'parameters'}{$parameter});
+ }
+ foreach $section (@{$args{'sectionlist'}}) {
+ print ".SH \"" . uc($section) . "\"\n";
+ output_highlight($args{'sections'}{$section});
+ }
+
+ if ($args{'bugsto'}) {
+ print ".SH \"REPORTING BUGS\"\n";
+ print "Report bugs to <". $args{'bugsto'} . ">.\n";
+ }
+
+ if ($args{'copyright'}) {
+ print ".SH COPYRIGHT\n";
+ print "Copyright \\(co ". $args{'copyright'} . ".\n";
+ if ($args{'verbatimcopying'}) {
+ print ".br\n";
+ print "Permission is granted to make and distribute verbatim copie
+s of this\n";
+ print "manual provided the copyright notice and this permission no
+tice are\n";
+ print "preserved on all copies.\n";
+ }
+ }
+
+ if ($args{'seeinfo'}) {
+ print ".SH \"SEE ALSO\"\n";
+ print "The full documentation for\n";
+ print ".B " . $args{'module'} . "\n";
+ print "is maintained as a Texinfo manual. If the\n";
+ print ".B info\n";
+ print "and\n";
+ print ".B " . $args{'module'} . "\n";
+ print "programs are properly installed at your site, the command\n";
+ print ".IP\n";
+ print ".B info " . $args{'seeinfo'} . "\n";
+ print ".PP\n";
+ print "should give you access to the complete manual.\n";
+ }
+}
+
+sub output_listfunc {
+ my %args = %{$_[0]};
+ print $args{'function'} . "\n";
+}
+
+##
+# output in text
+sub output_text {
+ my %args = %{$_[0]};
+ my ($parameter, $section);
+
+ print "Function = ".$args{'function'}."\n";
+ print " return type: ".$args{'functiontype'}."\n\n";
+ foreach $parameter (@{$args{'parameterlist'}}) {
+ print " ".$args{'parametertypes'}{$parameter}." ".$parameter."\n";
+ print " -> ".$args{'parameters'}{$parameter}."\n";
+ }
+ foreach $section (@{$args{'sectionlist'}}) {
+ print " $section:\n";
+ print " -> ";
+ output_highlight($args{'sections'}{$section});
+ }
+}
+
+##
+# generic output function - calls the right one based
+# on current output mode.
+sub output_function {
+# output_html(@_);
+ eval "output_".$output_mode."(\@_);";
+}
+
+
+##
+# takes a function prototype and spits out all the details
+# stored in the global arrays/hsahes.
+sub dump_function {
+ my $prototype = shift @_;
+
+ if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
+ $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
+ $prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
+ $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
+ $prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/)
+ {
+ $return_type = $1;
+ $function_name = $2;
+ $args = $3;
+
+# print STDERR "ARGS = '$args'\n";
+
+ foreach $arg (split ',', $args) {
+ # strip leading/trailing spaces
+ $arg =~ s/^\s*//;
+ $arg =~ s/\s*$//;
+# print STDERR "SCAN ARG: '$arg'\n";
+ @args = split('\s', $arg);
+
+# print STDERR " -> @args\n";
+ $param = pop @args;
+# print STDERR " -> @args\n";
+ if ($param =~ m/^(\*+)(.*)/) {
+ $param = $2;
+ push @args, $1;
+ }
+ if ($param =~ m/^(.*)(\[\])$/) {
+ $param = $1;
+ push @args, $2;
+ }
+# print STDERR " :> @args\n";
+ $type = join " ", @args;
+
+ if ($parameters{$param} eq "" && $param != "void") {
+ $parameters{$param} = "-- undescribed --";
+ print STDERR "Warning($lineno): Function parameter '$param' no
+t described in '$function_name'\n";
+ }
+
+ push @parameterlist, $param;
+ $parametertypes{$param} = $type;
+
+# print STDERR "param = '$param', type = '$type'\n";
+ }
+ } else {
+ print STDERR "Error($lineno): cannot understand prototype: '$prototype
+'\n";
+ return;
+ }
+
+ if ($function_only==0 || defined($function_table{$function_name})) {
+ output_function({'function' => $function_name,
+ 'module' => $modulename,
+ 'sourceversion' => $sourceversion,
+ 'includefuncprefix' => $includefuncprefix,
+ 'bugsto' => $bugsto,
+ 'copyright' => $copyright,
+ 'verbatimcopying' => $verbatimcopying,
+ 'seeinfo' => $seeinfo,
+ 'functiontype' => $return_type,
+ 'parameterlist' => \@parameterlist,
+ 'parameters' => \%parameters,
+ 'parametertypes' => \%parametertypes,
+ 'sectionlist' => \@sectionlist,
+ 'sections' => \%sections,
+ 'purpose' => $function_purpose
+ });
+ }
+}
+
+######################################################################
+# main
+# states
+# 0 - normal code
+# 1 - looking for function name
+# 2 - scanning field start.
+# 3 - scanning prototype.
+$state = 0;
+$section = "";
+
+$doc_special = "\@\%\$\&";
+
+$doc_start = "^/\\*\\*\$";
+$doc_end = "\\*/";
+$doc_com = "\\s*\\*\\s*";
+$doc_func = $doc_com."(\\w+):?";
+$doc_sect = $doc_com."([".$doc_special."[:upper:]][\\w ]+):(.*)";
+$doc_content = $doc_com."(.*)";
+
+%constants = ();
+%parameters = ();
+@parameterlist = ();
+%sections = ();
+@sectionlist = ();
+
+$contents = "";
+$section_default = "Description"; # default section
+$section = $section_default;
+
+$lineno = 0;
+foreach $file (@ARGV) {
+ if (!open(IN,"<$file")) {
+ print STDERR "Error: Cannot open file $file\n";
+ next;
+ }
+ while (<IN>) {
+ $lineno++;
+
+ if ($state == 0) {
+ if (/$doc_start/o) {
+ $state = 1; # next line is always the function nam
+e
+ }
+ } elsif ($state == 1) { # this line is the function name (always)
+ if (/$doc_func/o) {
+ $function = $1;
+ $state = 2;
+ if (/-(.*)/) {
+ $function_purpose = $1;
+ } else {
+ $function_purpose = "";
+ }
+ if ($verbose) {
+ print STDERR "Info($lineno): Scanning doc for $function\n"
+;
+ }
+ } else {
+ print STDERR "WARN($lineno): Cannot understand $_ on line $lin
+eno",
+ " - I thought it was a doc line\n";
+ $state = 0;
+ }
+ } elsif ($state == 2) { # look for head: lines, and include content
+ if (/$doc_sect/o) {
+ $newsection = $1;
+ $newcontents = $2;
+
+ if ($contents ne "") {
+ dump_section($section, $contents);
+ $section = $section_default;
+ }
+
+ $contents = $newcontents;
+ if ($contents ne "") {
+ $contents .= "\n";
+ }
+ $section = $newsection;
+ } elsif (/$doc_end/) {
+
+ if ($contents ne "") {
+ dump_section($section, $contents);
+ $section = $section_default;
+ $contents = "";
+ }
+
+# print STDERR "end of doc comment, looking for prototype\n";
+ $prototype = "";
+ $state = 3;
+ } elsif (/$doc_content/) {
+ # miguel-style comment kludge, look for blank lines after
+ # @parameter line to signify start of description
+ if ($1 eq "" && $section =~ m/^@/) {
+ dump_section($section, $contents);
+ $section = $section_default;
+ $contents = "";
+ } else {
+ $contents .= $1."\n";
+ }
+ } else {
+ # i dont know - bad line? ignore.
+ print STDERR "WARNING($lineno): bad line: $_";
+ }
+ } elsif ($state == 3) { # scanning for function { (end of prototype)
+ if (m#\s*/\*\s+MACDOC\s*#io) {
+ # do nothing
+ }
+ elsif (/([^\{]*)/) {
+ $prototype .= $1;
+ }
+ if (/\{/) {
+ $prototype =~ s@/\*.*?\*/@@gos; # strip comments.
+ $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
+ $prototype =~ s@^ +@@gos; # strip leading spaces
+ dump_function($prototype);
+
+ $function = "";
+ %constants = ();
+ %parameters = ();
+ %parametertypes = ();
+ @parameterlist = ();
+ %sections = ();
+ @sectionlist = ();
+ $prototype = "";
+
+ $state = 0;
+ }
+ }
+ }
+}
+
+
+