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#! /usr/bin/env perl
use strict;
use Cwd;
use File::Find;
my %dir2files=();
my $cppExt=" cpp cc cxx C c++ ";
my $cppFiles="*.cpp *.cc *.cxx *.C *.c++";
sub collectthing()
{
if (/\.([^.]+)$/) {
my $ext=$1;
if (" h H hh hxx h++ " =~ / $ext /) {
my $line=`grep -l '^[{ \t]*Q_OBJECT' $_ 2> /dev/null`;
chomp($line);
if ($line) {
$dir2files{$File::Find::dir}->{headers}->{$_} = 1;
}
} elsif ($cppExt =~ / $ext /) {
$dir2files{$File::Find::dir}->{sources}->{$_} = 1;
}
}
}
sub checkdir($)
{
my ($dir)=@_;
chdir($dir);
my $hdrs=$dir2files{$dir}->{headers};
my $srcs=$dir2files{$dir}->{sources};
foreach my $h (keys %$hdrs) {
(my $name=$h) =~ s/\.[^.]+$//;
my @answer = `grep -l "^#include[ ]*.$name\.moc." $cppFiles 2> /dev/null`;
if (@answer == 0) {
my $s;
foreach my $e (split(/\s+/, $cppExt)) {
if (exists $srcs->{$name.".".$e}) {
$s=$dir."/".$name.".".$e; last;
}
}
if ($s) {
print "echo >> $s ;\n";
print "echo '#include \"$name.moc\"' >> $s ;\n";
} else {
print "echo \"can't guess a C++ file for $dir/$h\" ;\n";
}
}
}
}
find (\&collectthing, cwd());
foreach my $k (keys %dir2files) {
print STDERR "Directory $k:\n headers=[";
print STDERR join(", ", keys %{$dir2files{$k}->{headers}});
print STDERR "]\n sources=[";
print STDERR join(", ", keys %{$dir2files{$k}->{sources}});
print STDERR "]\n";
checkdir($k);
}
=head1 NAME
includemocs -- handle mocifyable headers, whose .moc file is nowhere included.
=head1 SYNOPSIS
includemocs
=head1 DESCRIPTION
Header files declaring a QObject descendant have to be run through moc to
produce a .moc file. This .moc file has to be compiled, for which two
possibilities exists: compile it separately, or #include it in the C++ file
implementing that above mentioned class. The latter is more efficient in term
of compilation speed.
This script searches in the current directory and its subdirs for header files
declaring a QObject descendant class. If it finds some, it looks, if there is
a C++ file containing an '#include' for the generated .moc file. If thats not
the case, it tries to guess into which C++ file that '#include' is placed best
(based on the filename). If it fails to guess a proper place, it mentions
that.
On stdout commands are ouput, suitable for a shell, which, when
evaluated, add the suggested '#include' at the end of the files.
On stderr some informational messages are printed.
=head1 EXAMPLES
cd kdebase ; includemocs
cd kdebase ; `eval includemocs 2> /dev/null`
=head1 AUTHOR
Michael Matz <matz@ifh.de>
=cut
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