Root/package/busybox/convert_menuconfig.pl

1#!/usr/bin/perl
2#
3# Copyright (C) 2006 OpenWrt.org
4#
5# This is free software, licensed under the GNU General Public License v2.
6# See /LICENSE for more information.
7#
8
9use strict;
10my $PATH = $ARGV[0];
11($PATH and -d $PATH) or die 'invalid path';
12my $DEFCONFIG = $ARGV[1];
13($DEFCONFIG and -f $DEFCONFIG) or die 'invalid config file';
14
15my %config;
16
17open CONFIG, $DEFCONFIG or die 'cannot open config file';
18while (<CONFIG>) {
19    /^CONFIG_([\w_]+)=([ym])/ and $config{$1} = $2;
20    /^CONFIG_([\w_]+)=(\d+)/ and $config{$1} = $2;
21    /^CONFIG_([\w_]+)=(".+")/ and $config{$1} = $2;
22}
23close CONFIG;
24
25open FIND, "find \"$PATH\" -name Config.in |";
26while (<FIND>) {
27    chomp;
28    my $input = $_;
29    s/^$PATH\///g;
30    s/sysdeps\/linux\///g;
31    my $output = $_;
32    print STDERR "$input => $output\n";
33    $output =~ /^(.+)\/[^\/]+$/ and system("mkdir -p $1");
34    
35    open INPUT, $input;
36    open OUTPUT, ">$output";
37    my ($cur, $default_set, $line);
38    while ($line = <INPUT>) {
39        next if $line =~ /^\s*mainmenu/;
40
41        # FIXME: make this dynamic
42        $line =~ s/default FEATURE_BUFFERS_USE_MALLOC/default FEATURE_BUFFERS_GO_ON_STACK/;
43        $line =~ s/default FEATURE_SH_IS_NONE/default FEATURE_SH_IS_ASH/;
44
45        if ($line =~ /^\s*config\s*([\w_]+)/) {
46            $cur = $1;
47            undef $default_set;
48        }
49        if ($line =~ /^\s*(menu|choice|end|source)/) {
50            undef $cur;
51            undef $default_set;
52        }
53        $line =~ s/^(\s*source\s+)/$1package\/busybox\/config\//;
54        
55        $line =~ s/^(\s*(prompt "[^"]+" if|config|depends|depends on|select|default|default \w if)\s+\!?)([A-Z_])/$1BUSYBOX_CONFIG_$3/g;
56        $line =~ s/(( \|\| | \&\& | \( )!?)([A-Z_])/$1BUSYBOX_CONFIG_$3/g;
57        $line =~ s/(\( ?!?)([A-Z_]+ (\|\||&&))/$1BUSYBOX_CONFIG_$2/g;
58        
59        if ($cur) {
60            ($cur eq 'LFS') and do {
61                $line =~ s/^(\s*(bool|tristate|string))\s*".+"$/$1/;
62            };
63            if ($line =~ /^\s*default/) {
64                my $c;
65                $default_set = 1;
66                $c = $config{$cur} or $c = 'n';
67
68                $line =~ s/^(\s*default\s*)(\w+|"[^"]*")(.*)/$1$c$3/;
69            }
70        }
71        
72        print OUTPUT $line;
73    }
74    close OUTPUT;
75    close INPUT;
76    
77}
78close FIND;
79

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