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inc/Spiffy.pm  view on Meta::CPAN

use 5.006001;
use warnings;
use Carp;
require Exporter;
our $VERSION = '0.30';
our @EXPORT = ();
our @EXPORT_BASE = qw(field const stub super);
our @EXPORT_OK = (@EXPORT_BASE, qw(id WWW XXX YYY ZZZ));
our %EXPORT_TAGS = (XXX => [qw(WWW XXX YYY ZZZ)]);

my $stack_frame = 0; 
my $dump = 'yaml';
my $bases_map = {};

sub WWW; sub XXX; sub YYY; sub ZZZ;

# This line is here to convince "autouse" into believing we are autousable.
sub can {
    ($_[1] eq 'import' and caller()->isa('autouse'))
        ? \&Exporter::import        # pacify autouse's equality test
        : $_[0]->SUPER::can($_[1])  # normal case

inc/Spiffy.pm  view on Meta::CPAN

    local @EXPORT_BASE = @EXPORT_BASE;

    if ($args->{-XXX}) {
        push @EXPORT_BASE, @{$EXPORT_TAGS{XXX}}
          unless grep /^XXX$/, @EXPORT_BASE;
    }

    spiffy_filter() 
      if ($args->{-selfless} or $args->{-Base}) and 
         not $filtered_files->{(caller($stack_frame))[1]}++;

    my $caller_package = $args->{-package} || caller($stack_frame);
    push @{"$caller_package\::ISA"}, $self_package
      if $args->{-Base} or $args->{-base};

    for my $class (@{all_my_bases($self_package)}) {
        next unless $class->isa('Spiffy');
        my @export = grep {
            not defined &{"$caller_package\::$_"};
        } ( @{"$class\::EXPORT"}, 
            ($args->{-Base} or $args->{-base})
              ? @{"$class\::EXPORT_BASE"} : (),

inc/Spiffy.pm  view on Meta::CPAN

    no warnings 'redefine';
    sub super_args { 
        my @dummy = caller(@_ ? $_[0] : 2); 
        return @DB::args;
    }
}

package Spiffy;
sub super {
    my $method;
    my $frame = 1;
    while ($method = (caller($frame++))[3]) {
        $method =~ s/.*::// and last;
    }
    my @args = DB::super_args($frame);
    @_ = @_ ? ($args[0], @_) : @args;
    my $class = ref $_[0] ? ref $_[0] : $_[0];
    my $caller_class = caller;
    my $seen = 0;
    my @super_classes = reverse grep {
        ($seen or $seen = ($_ eq $caller_class)) ? 0 : 1;
    } reverse @{all_my_bases($class)};
    for my $super_class (@super_classes) {
        no strict 'refs';
        next if $super_class eq $class;

inc/Spiffy.pm  view on Meta::CPAN

      unless grep {
          eval "require $_" unless %{"$_\::"};
          $_->isa('Spiffy');
      } @base_classes;
    my $inheritor = caller(0);
    for my $base_class (@base_classes) {
        next if $inheritor->isa($base_class);
        croak "Can't mix Spiffy and non-Spiffy classes in 'use base'.\n", 
              "See the documentation of Spiffy.pm for details\n  "
          unless $base_class->isa('Spiffy');
        $stack_frame = 1; # tell import to use different caller
        import($base_class, '-base');
        $stack_frame = 0;
    }
}

sub mixin {
    my $self = shift;
    my $target_class = ref($self);
    spiffy_mixin_import($target_class, @_)
}

sub spiffy_mixin_import {