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#!/usr/bin/perl
$srcdir = $ARGV[0];
$out = $ARGV[1];
open(OUT, ">", $out) || die "Cannot create output file";
process($srcdir);
close OUT;
gen_deps();
exit 0;
sub include {
my $f = shift @_;
open(IN, "$f") || die "Unable to find $f";
push(@deps, "$f");
while (<IN>) {
print OUT;
}
close IN;
}
sub process {
my $dir = shift @_;
print "$dir/Doc\n";
open(IN, "$dir/Doc") || die "Unable to read $dir/Doc";
push(@deps, "$dir/Doc");
my @docfile = <IN>;
close IN;
foreach $_ (@docfile) {
chomp;
/^#/ && next;
/^([A-Z]+)\s*(.*)/ || die "Parse error: $_";
$cmd = $1;
$arg = $2;
if ($cmd eq "C") { process("$dir/$arg"); }
elsif ($cmd eq "H") {
push @stack, "H";
print OUT "<chapt>$arg\n";
} elsif ($cmd eq "S") {
print " $arg\n";
my @files = map("$dir/$_", split(' ', $arg));
my $fargs = join(' ', @files);
open(DOC, "$srcdir/doc/kernel-doc -bird $fargs |") || die "Unable to start kernel-doc";
push(@deps, @files);
while (<DOC>) { print OUT; }
close DOC;
} elsif ($cmd eq "D") {
print " $arg\n";
include("$dir/$arg");
} else { die "Unknown command: $cmd"; }
}
}
sub gen_deps {
open(DEP, ">", "$out.d");
print DEP "$out:";
foreach $f (@deps) {
print DEP " \\\n $f";
}
print DEP "\n\n";
foreach $f (@deps) {
print DEP "$f:\n\n";
}
close DEP;
}
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