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






#####################################################################
# Common Utility Functions

sub _caller {
	my $depth = 0;
	my $call  = caller($depth);
	while ( $call eq __PACKAGE__ ) {
		$depth++;
		$call = caller($depth);
	}
	return $call;
}

# Done in evals to avoid confusing Perl::MinimumVersion
eval( $] >= 5.006 ? <<'END_NEW' : <<'END_OLD' ); die $@ if $@;
sub _read {
	local *FH;
	open( FH, '<', $_[0] ) or die "open($_[0]): $!";
	my $string = do { local $/; <FH> };

inc/Module/Install/Makefile.pm view on Meta::CPAN

}

sub Makefile { $_[0] }

my %seen = ();

sub prompt {
	shift;

	# Infinite loop protection
	my @c = caller();
	if ( ++$seen{"$c[1]|$c[2]|$_[0]"} > 3 ) {
		die "Caught an potential prompt infinite loop ($c[1]|$c[2]|$_[0])";
	}

	# In automated testing or non-interactive session, always use defaults
	if ( ($ENV{AUTOMATED_TESTING} or -! -t STDIN) and ! $ENV{PERL_MM_USE_DEFAULT} ) {
		local $ENV{PERL_MM_USE_DEFAULT} = 1;
		goto &ExtUtils::MakeMaker::prompt;
	} else {
		goto &ExtUtils::MakeMaker::prompt;

inc/Spiffy.pm view on Meta::CPAN

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
}

# TODO
#
# Exported functions like field and super should be hidden so as not to
# be confused with methods that can be inherited.
#

inc/Spiffy.pm view on Meta::CPAN

        local *boolean_arguments = sub {
            qw(
                -base -Base -mixin -selfless
                -XXX -dumper -yaml
                -filter_dump -filter_save
            )
        };
        local *paired_arguments = sub { qw(-package) };
        $self_package->parse_arguments(@_);
    };
    return spiffy_mixin_import(scalar(caller(0)), $self_package, @export_list)
      if $args->{-mixin};

    $filter_dump = 1 if $args->{-filter_dump};
    $filter_save = 1 if $args->{-filter_save};
    $dump = 'yaml' if $args->{-yaml};
    $dump = 'dumper' if $args->{-dumper};

    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

    return $1;
}

#===============================================================================
# It's super, man.
#===============================================================================
package DB;
{
    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)};

inc/Spiffy.pm view on Meta::CPAN

    require base unless defined $INC{'base.pm'};
    $INC{'mixin.pm'} ||= 'Spiffy/mixin.pm';
    $real_base_import = \&base::import;
    $real_mixin_import = \&mixin::import;
    no warnings;
    *base::import = \&spiffy_base_import;
    *mixin::import = \&spiffy_mixin_import;
}

# my $i = 0;
# while (my $caller = caller($i++)) {
#     next unless $caller eq 'base' or $caller eq 'mixin';
#     croak <<END;
# Spiffy.pm must be loaded before calling 'use base' or 'use mixin' with a
# Spiffy module. See the documentation of Spiffy.pm for details.
# END
# }

sub spiffy_base_import {
    my @base_classes = @_;
    shift @base_classes;
    no strict 'refs';
    goto &$real_base_import
      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 {
    my $target_class = shift;
    $target_class = caller(0)
      if $target_class eq 'mixin';
    my $mixin_class = shift
      or die "Nothing to mixin";
    eval "require $mixin_class";
    my @roles = @_;
    my $pseudo_class = join '-', $target_class, $mixin_class, @roles;
    my %methods = spiffy_mixin_methods($mixin_class, @roles);
    no strict 'refs';
    no warnings;
    @{"$pseudo_class\::ISA"} = @{"$target_class\::ISA"};

inc/Spiffy.pm view on Meta::CPAN

        $Data::Dumper::Sortkeys = 1;
        $Data::Dumper::Indent = 1;
        return Data::Dumper::Dumper(@_);
    }
    require YAML;
    $YAML::UseVersion = 0;
    return YAML::Dump(@_) . "...\n";
}

sub at_line_number {
    my ($file_path, $line_number) = (caller(1))[1,2];
    "  at $file_path line $line_number\n";
}

sub WWW {
    warn spiffy_dump(@_) . at_line_number;
    return wantarray ? @_ : $_[0];
}

sub XXX {
    die spiffy_dump(@_) . at_line_number;

inc/Test/Base.pm view on Meta::CPAN

    return $class if $class->can('new');
    $class = __PACKAGE__ . "::$suffix";
    return $class if $class->can('new');
    eval "require $class";
    return $class if $class->can('new');
    die "Can't find a class for $suffix";
}

sub check_late {
    if ($self->{block_list}) {
        my $caller = (caller(1))[3];
        $caller =~ s/.*:://;
        croak "Too late to call $caller()"
    }
}

sub find_my_self() {
    my $self = ref($_[0]) eq $default_class
    ? splice(@_, 0, 1)
    : default_object();
    return $self, @_;
}

inc/Test/Base/Filter.pm view on Meta::CPAN

    return undef unless defined $arguments;
    my $args = $arguments;
    $args =~ s/(\\s)/ /g;
    $args =~ s/(\\[a-z])/'"' . $1 . '"'/gee;
    return $args;
}

sub assert_scalar {
    return if @_ == 1;
    require Carp;
    my $filter = (caller(1))[3];
    $filter =~ s/.*:://;
    Carp::croak "Input to the '$filter' filter must be a scalar, not a list";
}

sub _apply_deepest {
    my $method = shift;
    return () unless @_;
    if (ref $_[0] eq 'ARRAY') {
        for my $aref (@_) {
            @$aref = $self->_apply_deepest($method, @$aref);

inc/Test/Builder.pm view on Meta::CPAN

sub cmp_ok {
    my( $self, $got, $type, $expect, $name ) = @_;

    my $test;
    my $error;
    {
        ## no critic (BuiltinFunctions::ProhibitStringyEval)

        local( $@, $!, $SIG{__DIE__} );    # isolate eval

        my($pack, $file, $line) = $self->caller();

        # This is so that warnings come out at the caller's level
        $test = eval qq[
#line $line "(eval in cmp_ok) $file"
\$got $type \$expect;
];
        $error = $@;
    }
    local $Level = $Level + 1;
    my $ok = $self->ok( $test, $name );

inc/Test/Builder.pm view on Meta::CPAN

    return $self->diag(<<"DIAGNOSTIC");
    $got
        $type
    $expect
DIAGNOSTIC
}

sub _caller_context {
    my $self = shift;

    my( $pack, $file, $line ) = $self->caller(1);

    my $code = '';
    $code .= "#line $line $file\n" if defined $file and defined $line;

    return $code;
}

#line 1205

sub BAIL_OUT {

inc/Test/Builder.pm view on Meta::CPAN

sub _message_at_caller {
    my $self = shift;

    local $Level = $Level + 1;
    my( $pack, $file, $line ) = $self->caller;
    return join( "", @_ ) . " at $file line $line.\n";
}

sub carp {
    my $self = shift;
    return warn $self->_message_at_caller(@_);
}

sub croak {
    my $self = shift;
    return die $self->_message_at_caller(@_);
}


#line 1992

sub current_test {
    my( $self, $num ) = @_;

    lock( $self->{Curr_Test} );
    if( defined $num ) {

inc/Test/Builder.pm view on Meta::CPAN

    return $todo if defined $todo;

    return '';
}

#line 2173

sub find_TODO {
    my( $self, $pack, $set, $new_value ) = @_;

    $pack = $pack || $self->caller(1) || $self->exported_to;
    return unless $pack;

    no strict 'refs';    ## no critic
    my $old_value = ${ $pack . '::TODO' };
    $set and ${ $pack . '::TODO' } = $new_value;
    return $old_value;
}

#line 2193

inc/Test/Builder.pm view on Meta::CPAN


#line 2298

sub caller {    ## no critic (Subroutines::ProhibitBuiltinHomonyms)
    my( $self, $height ) = @_;
    $height ||= 0;

    my $level = $self->level + $height + 1;
    my @caller;
    do {
        @caller = CORE::caller( $level );
        $level--;
    } until @caller;
    return wantarray ? @caller : $caller[0];
}

#line 2315

#line 2329

#'#

inc/Test/Exception.pm view on Meta::CPAN

    };
    $self->export_to_level( 1, $self, $_ ) foreach @EXPORT;
}

#line 83

sub _quiet_caller (;$) { ## no critic Prototypes
    my $height = $_[0];
    $height++;

    if ( CORE::caller() eq 'DB' ) {
        # passthrough the @DB::args trick
        package DB;
        if( wantarray ) {
            if ( !@_ ) {
                return (CORE::caller($height))[0..2];
            }
            else {
                # If we got here, we are within a Test::Exception test, and
                # something is producing a stacktrace. In case this is a full
                # trace (i.e. confess() ), we have to make sure that the sub
                # args are not visible. If we do not do this, and the test in
                # question is throws_ok() with a regex, it will end up matching
                # against itself in the args to throws_ok().
                #
                # While it is possible (and maybe wise), to test if we are
                # indeed running under throws_ok (by crawling the stack right
                # up from here), the old behavior of Test::Exception was to
                # simply obliterate @DB::args altogether in _quiet_caller, so
                # we are just preserving the behavior to avoid surprises
                #
                my @frame_info = CORE::caller($height);
                @DB::args = ();
                return @frame_info;
            }
        }

        # fallback if nothing above returns
        return CORE::caller($height);
    }
    else {
        if( wantarray and !@_ ) {
            return (CORE::caller($height))[0..2];
        }
        else {
            return CORE::caller($height);
        }
    }
}

sub _try_as_caller {
    my $coderef = shift;

    # local works here because Sub::Uplevel has already overridden caller
    local *CORE::GLOBAL::caller;
    { no warnings 'redefine'; *CORE::GLOBAL::caller = \&_quiet_caller; }

inc/Test/Exception.pm view on Meta::CPAN



sub throws_ok (&$;$) {
    my ( $coderef, $expecting, $description ) = @_;
    unless (defined $expecting) {
      require Carp;
      Carp::croak( "throws_ok: must pass exception class/object or regex" ); 
    }
    $description = _exception_as_string( "threw", $expecting )
    	unless defined $description;
    my $exception = _try_as_caller( $coderef );
    my $regex = $Tester->maybe_regex( $expecting );
    my $ok = $regex 
        ? ( $exception =~ m/$regex/ ) 
        : eval { 
            $exception->isa( ref $expecting ? ref $expecting : $expecting ) 
        };
    $Tester->ok( $ok, $description );
    unless ( $ok ) {
        $Tester->diag( _exception_as_string( "expecting:", $expecting ) );
        $Tester->diag( _exception_as_string( "found:", $exception ) );
    };
    $@ = $exception;
    return $ok;
};


#line 254

sub dies_ok (&;$) {
    my ( $coderef, $description ) = @_;
    my $exception = _try_as_caller( $coderef );
    my $ok = $Tester->ok( _is_exception($exception), $description );
    $@ = $exception;
    return $ok;
}


#line 293

sub lives_ok (&;$) {
    my ( $coderef, $description ) = @_;
    my $exception = _try_as_caller( $coderef );
    my $ok = $Tester->ok( ! _is_exception( $exception ), $description );
	$Tester->diag( _exception_as_string( "died:", $exception ) ) unless $ok;
    $@ = $exception;
    return $ok;
}


#line 333

sub lives_and (&;$) {

inc/Test/More.pm view on Meta::CPAN


#---- perlcritic exemptions. ----#

# We use a lot of subroutine prototypes
## no critic (Subroutines::ProhibitSubroutinePrototypes)

# Can't use Carp because it might cause use_ok() to accidentally succeed
# even though the module being used forgot to use Carp.  Yes, this
# actually happened.
sub _carp {
    my( $file, $line ) = ( caller(1) )[ 1, 2 ];
    return warn @_, " at $file line $line\n";
}

our $VERSION = '0.98';
$VERSION = eval $VERSION;    ## no critic (BuiltinFunctions::ProhibitStringyEval)

use Test::Builder::Module;
our @ISA    = qw(Test::Builder::Module);
our @EXPORT = qw(ok use_ok require_ok
  is isnt like unlike is_deeply

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