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#!/usr/bin/perl
# Mandrake Graphic Install
# Copyright (C) 1999-2005 Mandriva (fpons@mandriva.com)
#
# 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$srctop = $ARGV[0];
unless (-d $srctop) {
print STDERR "usage: $0 <linux_src_top>\n";
print STDERR " <linux_src_top> is the linux source top directory,\n";
print STDERR " for example /usr/src/linux\n";
exit 1;
}
open (FILE_LIST, "find $srctop/ -name \"*.c\" |");
while (<FILE_LIST>) {
chomp;
my $file = $_;
my $dir = $file;
my $module = $file;
my $incfile;
my @incfiles;
my %parms;
my $oldline;
my $descline;
my $default;
my %substvars;
# get mormalized directory name.
$dir =~ s/^(.*)\/[^\/]*$/$1/;
# get mormalized module name.
$module =~ s/^.*\/([^\/]*)\.c$/$1/;
# search for recogniwed special keywords.
open (F, $file);
while (<F>) {
# track for include files.
if (/^\#\s*include\s+[\<\"]([\w-\.\/]*)[\"\>]/) {
# search from /usr/src/linux/include directory.
push @incfiles, "/usr/src/linux/include/$1";
# search from current working directory.
push @incfiles, "$dir/$1";
}
if (/^\s*MODULE_PARM\s*\((\w*)\s*,\s*\"/) {
$parms{$1}{type} = '?';
}
if (/^\s*MODULE_PARM\s*\((\w*)\s*,\s*\"([^\"]*)\"\s*\)/) {
$parms{$1}{type} = $2;
}
if (/^\s*MODULE_PARM_DESC\s*\((\w*)\s*,\s*\"([^\"]*)\"\s*\)/) {
$parms{$1}{desc} = $2;
}
}
close F;
# parse associated include file if exist.
foreach $incfile (@incfiles) {
if (-r $incfile) {
open (F, $incfile);
while (<F>) {
s/^(.*)\/\*.*$/$1/g;
if (/^\#\s*define\s*(\w*)\s*(.*)$/) {
$substvars{$1}=$2;
}
}
close F;
}
}
# search for comments about each module parameter.
open (F, $file);
while (<F>) {
my $line = $_;
# manage simple preprocessor.
s/^(.*)\/\*.*$/$1/g;
if (/^\#\s*define\s*(\w*)\s*(.*)$/) {
$substvars{$1}=$2;
}
# parse for parameters definition.
foreach $parm (keys %parms) {
if ($line =~ /^\s*(static\s+)?((short|long|signed|unsigned)\s+)?\w+(\s*\**\s+|\s+\**\s*)$parm(\s*\[.*\]\s*)?\s*=\s*([^\;]*)\;/) {
$default = $descline = $6;
$default =~ s/^(.*)\/\*.*$/$1/g;
# remove hypothetic couple of { }.
$default =~ s/^(\s*\{\s*)(.*)(\s*\}\s*)$/$2/;
# subsitute variable.
foreach $substvar (keys %substvars) {
$default =~ s/$substvar/$substvars{$substvar}/g;
}
$default =~ s/NULL/0/g;
$default =~ s/^\s*(.*?)\s*$/$1/;
$default = '' if $default =~ /\(\s*\(\s*void*\s*\*\)\s*0\s*\)\s*,?/;
# store value.
$parms{$parm}{default} = $default;
# try to search a comment on the previous line.
if (!defined($parms{$parm}{desc})) {
if ($oldline =~ /^\s*\/\*\s*(.*)\s*\*\/\s*$/ || /\/\*\s*(.*)\s*\*\/\s*$/) {
$parms{$parm}{desc} = $1;
}
}
# try to search a comment on the line (multiline not supported).
if (!defined($parms{$parm}{desc})) {
if ($descline =~ /^.*\/\*\s*(.*)\s*\*\/\s*$/) {
$parms{$parm}{desc} = $1;
}
}
}
}
$oldline = $_;
}
close F;
# dump all result to stdout associated to current module.
foreach $parm (keys %parms) {
print "$module:$parm:$parms{$parm}{type}:$parms{$parm}{default}:$parms{$parm}{desc}\n";
}
}
close FILE_LIST;
|
