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inc/Inline/Module.pm  view on Meta::CPAN

    perl -MInline::Module=makestub,$stub_module

...
        # XXX 'exit' is used to get a cleaner error msg.
        # Try to redo this without 'exit'.
        exit 1;
    }
}

sub check_inc_inc {
    my ($class, $program) = @_;
    my $first = $INC[0] or die;
    if ($first !~ /^(\.[\/\\])?inc[\/\\]?$/) {
        die <<"...";
First element of \@INC should be 'inc'.
It's '$first'.
Add this line to the top of your '$program':

    use lib 'inc';

...
    }
}

sub importer {
    my ($class, $stub_module) = @_;
    return sub {
        my ($class, $lang) = @_;
        return unless defined $lang;
        require File::Path;
        File::Path::mkpath($inline_build_path)
            unless -d $inline_build_path;
        require Inline;
        Inline->import(
            Config =>
            directory => $inline_build_path,
            ($lang eq 'C') ? (using => 'Inline::C::Parser::RegExp') : (),
            name => $stub_module,
            CLEAN_AFTER_BUILD => 0,
        );
        shift(@_);
        DEBUG_ON && DEBUG "Inline::Module::importer proxy to Inline::%s", @_;
        Inline->import_heavy(@_);
    };
}

#------------------------------------------------------------------------------
# The postamble method:
#------------------------------------------------------------------------------
sub postamble {
    my ($makemaker, %args) = @_;
    DEBUG_ON && DEBUG "Inline::Module::postamble(${\join', ',@_})";

    my $meta = $args{inline}
        or croak "'postamble' section requires 'inline' key in Makefile.PL";
    croak "postamble 'inline' section requires 'module' key in Makefile.PL"
        unless $meta->{module};

    my $class = __PACKAGE__;
    $class->default_meta($meta);

    my $code_modules = $meta->{module};
    my $stub_modules = $meta->{stub};
    my $included_modules = $class->included_modules($meta);

    if ($meta->{makestub} and not -e 'inc' and not -e 'INLINE.h') {
        $class->make_stub_modules(@{$meta->{stub}});
    }

    my $section = <<"...";
clean ::
\t- \$(RM_RF) $inline_build_path

distdir : distdir_inline

distdir_inline : create_distdir
\t\$(NOECHO) \$(ABSPERLRUN) -MInline::Module=distdir -e 1 -- \$(DISTVNAME) @$stub_modules -- @$included_modules

pure_all ::
...
    for my $module (@$code_modules) {
        $section .=
            "\t\$(NOECHO) \$(ABSPERLRUN) -Iinc -Ilib -M$module -e 1 --\n";
    }
    $section .=
        "\t\$(NOECHO) \$(ABSPERLRUN) -Iinc -MInline::Module=fixblib -e 1 --\n";

    return $section;
}

#------------------------------------------------------------------------------
# The handle methods.
#------------------------------------------------------------------------------
sub handle_stub {
    my ($class, $stub_module, $api_version) = @_;
    DEBUG_ON && DEBUG "$class->handle_stub($stub_module, $api_version)";
    $class->check_api_version($stub_module, $api_version);
    no strict 'refs';
    *{"${stub_module}::import"} = $class->importer($stub_module);
    return;
}

sub handle_makestub {
    my ($class, @args) = @_;
    DEBUG_ON && DEBUG "$class->handle_makestub(${\join', ',@args})";

    my @modules;
    for my $arg (@args) {
        if ($arg =~ /::/) {
            push @modules, $arg;
        }
        else {
            croak "Unknown 'makestub' argument: '$arg'";
        }
    }

    $class->make_stub_modules(@modules);

    exit 0;
}

sub handle_distdir {
    my ($class, $distdir, @args) = @_;
    DEBUG_ON && DEBUG "$class->handle_distdir($distdir, ${\join', ',@args})";
    my $stub_modules = [];
    my $included_modules = [];

    while (@args and ($_ = shift(@args)) ne '--') {
        push @$stub_modules, $_;
    }
    while (@args and ($_ = shift(@args)) ne '--') {
        push @$included_modules, $_;
    }
    $class->add_to_distdir($distdir, $stub_modules, $included_modules);
}

sub handle_fixblib {
    my ($class) = @_;
    DEBUG_ON && DEBUG "$class->handle_fixblib()";
    my $ext = $Config::Config{dlext};
    -d 'blib'
        or die "Inline::Module::fixblib expected to find 'blib' directory";
    File::Find::find({
        wanted => sub {
            -f or return;
            if (m!^($inline_build_path/lib/auto/.*)\.$ext$!) {
                my $blib_ext = $_;
                $blib_ext =~ s!^$inline_build_path/lib!blib/arch! or die;
                my $blib_ext_dir = $blib_ext;
                $blib_ext_dir =~ s!(.*)/.*!$1! or die;
                File::Path::mkpath $blib_ext_dir;
                link $_, $blib_ext;
            }
        },
        no_chdir => 1,
    }, $inline_build_path);
}

#------------------------------------------------------------------------------
# Worker methods.
#------------------------------------------------------------------------------
sub default_meta {
    my ($class, $meta) = @_;
    defined $meta->{module}
        or die "Meta 'module' not defined";
    $meta->{module} = [ $meta->{module} ] unless ref $meta->{module};
    $meta->{stub} ||= [ map "${_}::Inline", @{$meta->{module}} ];
    $meta->{stub} = [ $meta->{stub} ] unless ref $meta->{stub};
    $meta->{ilsm} ||= 'Inline::C';
    $meta->{ilsm} = [ $meta->{ilsm} ] unless ref $meta->{ilsm};
    $meta->{bundle} = 1 unless defined $meta->{bundle};
}

sub included_modules {
    my ($class, $meta) = @_;
    DEBUG_ON && DEBUG "$class->included_modules($meta)";
    return [] if not $meta->{bundle};
    my $ilsm = $meta->{ilsm};
    my $include = [
        'Inline',
        'Inline::denter',
        'Inline::Module',
        @$ilsm,
    ];
    if (caller eq 'Module::Build::InlineModule') {
        push @$include, 'Module::Build::InlineModule';
    }
    if (grep /:C$/, @$ilsm) {
        push @$include,
            'Inline::C::Parser::RegExp';
    }
    if (grep /:CPP$/, @$ilsm) {
        push @$include, (
            'Inline::C',
            'Inline::CPP::Config',
            'Inline::CPP::Parser::RecDescent',
            'Parse::RecDescent',
            'ExtUtils::CppGuess',
            'Capture::Tiny',
        );
    }
    return $include;
}

sub add_to_distdir {
    my ($class, $distdir, $stub_modules, $included_modules) = @_;
    DEBUG_ON && DEBUG "$class->add_to_distdir($distdir) [@$stub_modules] [@$included_modules]";
    my $manifest = []; # files created under distdir
    for my $module (@$stub_modules) {
        my $code = $class->dyna_module($module);
        $class->write_module("$distdir/lib", $module, $code);
        $code = $class->proxy_module($module);
        $class->write_module("$distdir/inc", $module, $code);
        $module =~ s!::!/!g;
        push @$manifest, "lib/$module.pm"
            unless -e "lib/$module.pm";
        push @$manifest, "inc/$module.pm";
    }
    for my $module (@$included_modules) {
        my $code = $module eq 'Inline::CPP::Config'
        ? $class->read_share_cpp_config
        : $class->read_local_module($module);