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Diffstat (limited to 'doc/gdoc')
| -rwxr-xr-x | doc/gdoc | 901 |
1 files changed, 901 insertions, 0 deletions
diff --git a/doc/gdoc b/doc/gdoc new file mode 100755 index 0000000..eb9e0cf --- /dev/null +++ b/doc/gdoc @@ -0,0 +1,901 @@ +#!/usr/bin/perl + +## Copyright (c) 2002, 2003, 2004 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 ] [ -include file | -includefuncprefix ] +# [ -bugsto address ] +# [ -seeinfo infonode ] [ -copyright notice ] [ -verbatimcopying ] +# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfile +# +# 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. +# +# -include FILE +# For man pages, mention #include <FILE.h> in the synopsis. +# +# -includefuncprefix +# For man pages, mention a #include <FILE.h> in the synopsis. +# The FILE derived from 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). All +# 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 special +# patterns, which are highlighted appropriately. +# +# 'funcname()' - function +# '$ENVVAR' - environmental variable OBSOLETE (?) +# '#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, "\\\@code{\$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</replaceable>", + $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, "\\\\fB\$1\\\\fP", + $type_func, "\\\\fB\$1\\\\fP", + $type_struct, "\\\\fB\$1\\\\fP", + $type_param, "\\\\fI\$1\\\\fP" ); +$blankline_man = ""; + +# text-mode +%highlights_text = ( $type_constant, "\$1", + $type_func, "\$1", + $type_struct, "\$1", + $type_param, "\$1" ); +$blankline_text = ""; + + +sub usage { + print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -tex | -texinfo -listfunc ]\n"; + print " [ -sourceversion verno ] [ -include file | -includefuncprefix ]\n"; + print " [ -bugsto address ] [ -seeinfo infonode ] [ -copyright notice]\n"; + print " [ -verbatimcopying ]\n"; + print " [ -function funcname [ -function funcname ...] ]\n"; + print " c source file(s) > outputfile\n"; + exit 1; +} + +# read arguments +if ($#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 "-include") { + $include = shift @ARGV; + } elsif ($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 replace $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=\"". $args{'function'} . "\"> </a><h2>Function</h2>\n"; + + print "<i>".$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>".$parameter."</b>\n"; + print "<dd>"; + output_highlight($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\">".$args{'function'}."</phrase></refentrytitle>\n"; + print "</refmeta>\n"; + print "<refnamediv>\n"; + print " <refname>".$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 $count; + + print ".\\\" DO NOT MODIFY THIS FILE! It was generated by gdoc.\n"; + print ".TH \"$args{'function'}\" 3 \"$args{'sourceversion'}\" \"". $args{'module'} . "\" \"". $args{'module'} . "\"\n"; + + print ".SH NAME\n"; + + print $args{'function'}; + if ($args{'purpose'}) { + print " \\- " . $args{'purpose'} . "\n"; + } else { + print " \\- API function\n"; + } + + print ".SH SYNOPSIS\n"; + print ".B #include <". $args{'include'} . ">\n" + if $args{'include'}; + 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 copies of this\n"; + print "manual provided the copyright notice and this permission notice 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' not 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, + 'include' => $include, + '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 ]+):\\s*(.*)"; +$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) { + $state = 1; # next line is always the function name + } + } elsif ($state == 1) { # this line is the function name (always) + if (/$doc_func/o) { + $function = $1; + $state = 2; + if (/-\s*(.*)/) { + $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 $lineno", + " - 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; + } + } + } +} + |