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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙpackage TAP::Parser::SourceHandler::Perl; use strict; use warnings; use Config; use constant IS_WIN32 => ( $^O =~ /^(MS)?Win32$/ ); use constant IS_VMS => ( $^O eq 'VMS' ); use TAP::Parser::IteratorFactory (); use TAP::Parser::Iterator::Process (); use Text::ParseWords qw(shellwords); use base 'TAP::Parser::SourceHandler::Executable'; TAP::Parser::IteratorFactory->register_handler(__PACKAGE__); =head1 NAME TAP::Parser::SourceHandler::Perl - Stream TAP from a Perl executable =head1 VERSION Version 3.44 =cut our $VERSION = '3.44'; =head1 SYNOPSIS use TAP::Parser::Source; use TAP::Parser::SourceHandler::Perl; my $source = TAP::Parser::Source->new->raw( \'script.pl' ); $source->assemble_meta; my $class = 'TAP::Parser::SourceHandler::Perl'; my $vote = $class->can_handle( $source ); my $iter = $class->make_iterator( $source ); =head1 DESCRIPTION This is a I L - it has 2 jobs: 1. Figure out if the L it's given is actually a Perl script (L). 2. Creates an iterator for Perl sources (L). Unless you're writing a plugin or subclassing L, you probably won't need to use this module directly. =head1 METHODS =head2 Class Methods =head3 C my $vote = $class->can_handle( $source ); Only votes if $source looks like a file. Casts the following votes: 0.9 if it has a shebang ala "#!...perl" 0.3 if it has any shebang 0.8 if it's a .t file 0.9 if it's a .pl file 0.75 if it's in a 't' directory 0.25 by default (backwards compat) =cut sub can_handle { my ( $class, $source ) = @_; my $meta = $source->meta; return 0 unless $meta->{is_file}; my $file = $meta->{file}; if ( my $shebang = $file->{shebang} ) { return 0.9 if $shebang =~ /^#!.*\bperl/; # We favour Perl as the interpreter for any shebang to preserve # previous semantics: we used to execute everything via Perl and # relied on it to pass the shebang off to the appropriate # interpreter. return 0.3; } return 0.8 if $file->{lc_ext} eq '.t'; # vote higher than Executable return 0.9 if $file->{lc_ext} eq '.pl'; return 0.75 if $file->{dir} =~ /^t\b/; # vote higher than Executable # backwards compat, always vote: return 0.25; } =head3 C my $iterator = $class->make_iterator( $source ); Constructs & returns a new L for the source. Assumes C<$source-Eraw> contains a reference to the perl script. Cs if the file could not be found. The command to run is built as follows: $perl @switches $perl_script @test_args The perl command to use is determined by L. The command generated is guaranteed to preserve: PERL5LIB PERL5OPT Taint Mode, if set in the script's shebang I the command generated will I respect any shebang line defined in your Perl script. This is only a problem if you have compiled a custom version of Perl or if you want to use a specific version of Perl for one test and a different version for another, for example: #!/path/to/a/custom_perl --some --args #!/usr/local/perl-5.6/bin/perl -w Currently you need to write a plugin to get around this. =cut sub _autoflush_stdhandles { my ($class) = @_; $class->_autoflush( \*STDOUT ); $class->_autoflush( \*STDERR ); } sub make_iterator { my ( $class, $source ) = @_; my $meta = $source->meta; my $perl_script = ${ $source->raw }; $class->_croak("Cannot find ($perl_script)") unless $meta->{is_file}; # TODO: does this really need to be done here? $class->_autoflush_stdhandles; my ( $libs, $switches ) = $class->_mangle_switches( $class->_filter_libs( $class->_switches($source) ) ); $class->_run( $source, $libs, $switches ); } sub _has_taint_switch { my( $class, $switches ) = @_; my $has_taint = grep { $_ eq "-T" || $_ eq "-t" } @{$switches}; return $has_taint ? 1 : 0; } sub _mangle_switches { my ( $class, $libs, $switches ) = @_; # Taint mode ignores environment variables so we must retranslate # PERL5LIB as -I switches and place PERL5OPT on the command line # in order that it be seen. if ( $class->_has_taint_switch($switches) ) { my @perl5lib = defined $ENV{PERL5LIB} ? split /$Config{path_sep}/, $ENV{PERL5LIB} : (); return ( $libs, [ @{$switches}, $class->_libs2switches([@$libs, @perl5lib]), defined $ENV{PERL5OPT} ? shellwords( $ENV{PERL5OPT} ) : () ], ); } return ( $libs, $switches ); } sub _filter_libs { my ( $class, @switches ) = @_; my $path_sep = $Config{path_sep}; my $path_re = qr{$path_sep}; # Filter out any -I switches to be handled as libs later. # # Nasty kludge. It might be nicer if we got the libs separately # although at least this way we find any -I switches that were # supplied other then as explicit libs. # # We filter out any names containing colons because they will break # PERL5LIB my @libs; my @filtered_switches; for (@switches) { if ( !/$path_re/ && m/ ^ ['"]? -I ['"]? (.*?) ['"]? $ /x ) { push @libs, $1; } else { push @filtered_switches, $_; } } return \@libs, \@filtered_switches; } sub _iterator_hooks { my ( $class, $source, $libs, $switches ) = @_; my $setup = sub { if ( @{$libs} and !$class->_has_taint_switch($switches) ) { $ENV{PERL5LIB} = join( $Config{path_sep}, grep {defined} @{$libs}, $ENV{PERL5LIB} ); } }; # VMS environment variables aren't guaranteed to reset at the end of # the process, so we need to put PERL5LIB back. my $previous = $ENV{PERL5LIB}; my $teardown = sub { if ( defined $previous ) { $ENV{PERL5LIB} = $previous; } else { delete $ENV{PERL5LIB}; } }; return ( $setup, $teardown ); } sub _run { my ( $class, $source, $libs, $switches ) = @_; my @command = $class->_get_command_for_switches( $source, $switches ) or $class->_croak("No command found!"); my ( $setup, $teardown ) = $class->_iterator_hooks( $source, $libs, $switches ); return $class->_create_iterator( $source, \@command, $setup, $teardown ); } sub _create_iterator { my ( $class, $source, $command, $setup, $teardown ) = @_; return TAP::Parser::Iterator::Process->new( { command => $command, merge => $source->merge, setup => $setup, teardown => $teardown, } ); } sub _get_command_for_switches { my ( $class, $source, $switches ) = @_; my $file = ${ $source->raw }; my @args = @{ $source->test_args || [] }; my $command = $class->get_perl; # XXX don't need to quote if we treat the parts as atoms (except maybe vms) #$file = qq["$file"] if ( $file =~ /\s/ ) && ( $file !~ /^".*"$/ ); my @command = ( $command, @{$switches}, $file, @args ); return @command; } sub _libs2switches { my $class = shift; return map {"-I$_"} grep {$_} @{ $_[0] }; } =head3 C Decode any taint switches from a Perl shebang line. # $taint will be 't' my $taint = TAP::Parser::SourceHandler::Perl->get_taint( '#!/usr/bin/perl -t' ); # $untaint will be undefined my $untaint = TAP::Parser::SourceHandler::Perl->get_taint( '#!/usr/bin/perl' ); =cut sub get_taint { my ( $class, $shebang ) = @_; return unless defined $shebang && $shebang =~ /^#!.*\bperl.*\s-\w*([Tt]+)/; return $1; } sub _switches { my ( $class, $source ) = @_; my $file = ${ $source->raw }; my @switches = @{ $source->switches || [] }; my $shebang = $source->meta->{file}->{shebang}; return unless defined $shebang; my $taint = $class->get_taint($shebang); push @switches, "-$taint" if defined $taint; # Quote the argument if we're VMS, since VMS will downcase anything # not quoted. if (IS_VMS) { for (@switches) { $_ = qq["$_"]; } } return @switches; } =head3 C Gets the version of Perl currently running the test suite. =cut sub get_perl { my $class = shift; return $ENV{HARNESS_PERL} if defined $ENV{HARNESS_PERL}; return qq["$^X"] if IS_WIN32 && ( $^X =~ /[^\w\.\/\\]/ ); return $^X; } 1; __END__ =head1 SUBCLASSING Please see L for a subclassing overview. =head2 Example package MyPerlSourceHandler; use strict; use TAP::Parser::SourceHandler::Perl; use base 'TAP::Parser::SourceHandler::Perl'; # use the version of perl from the shebang line in the test file sub get_perl { my $self = shift; if (my $shebang = $self->shebang( $self->{file} )) { $shebang =~ /^#!(.*\bperl.*?)(?:(?:\s)|(?:$))/; return $1 if $1; } return $self->SUPER::get_perl(@_); } =head1 SEE ALSO L, L, L, L, L, L, L, L =cut