File Coverage

blib/lib/PPIx/QuoteLike/Constant.pm

Criterion	Covered	Total	%
statement	53	54	98.1
branch			n/a
condition			n/a
subroutine	17	17	100.0
pod			n/a
total	70	71	98.5

package PPIx::QuoteLike::Constant;

use 5.006;

use strict;
use warnings;

use Carp;
use base qw{ Exporter };

our $VERSION = '0.022';

no warnings qw{ once };	# For older Perls.

our @CARP_NOT = qw{
    PPIx::QuoteLike
    PPIx::QuoteLike::Constant
    PPIx::QuoteLike::Dumper
    PPIx::QuoteLike::Token
    PPIx::QuoteLike::Token::Control
    PPIx::QuoteLike::Token::Delimiter
    PPIx::QuoteLike::Token::Interpolation
    PPIx::QuoteLike::Token::String
    PPIx::QuoteLike::Token::Structure
    PPIx::QuoteLike::Token::Unknown
    PPIx::QuoteLike::Token::Whitespace
    PPIx::QuoteLike::Utils
};

use warnings qw{ once };

our @EXPORT_OK = qw{
    ARRAY_REF
    MINIMUM_PERL
    HAVE_PPIX_REGEXP
    LOCATION_LINE
    LOCATION_CHARACTER
    LOCATION_COLUMN
    LOCATION_LOGICAL_LINE
    LOCATION_LOGICAL_FILE
    SUFFICIENT_UTF8_SUPPORT_FOR_WEIRD_DELIMITERS
    VARIABLE_RE
    @CARP_NOT
};

use constant ARRAY_REF	=> ref [];

# We can't depend on PPIx::Regexp without getting into a circular
# dependency. I think. But we can sure use it if we can come by it.
use constant HAVE_PPIX_REGEXP	=> do {
    local $@ = undef;
    eval {	## no critic (RequireCheckingReturnValueOfEval)
	require PPIx::Regexp;
	1;
    };
};

# Location constants. Must align with PPI
use constant LOCATION_LINE         => 0;
use constant LOCATION_CHARACTER    => 1;
use constant LOCATION_COLUMN       => 2;
use constant LOCATION_LOGICAL_LINE => 3;
use constant LOCATION_LOGICAL_FILE => 4;

use constant MINIMUM_PERL	=> '5.000';

use constant SUFFICIENT_UTF8_SUPPORT_FOR_WEIRD_DELIMITERS => $] ge '5.008003';

# Match the name of a variable. The user of this needs to anchor it
# right after the sigil. The line noise is [[:punct:]] as documented in
# perlrecharclass, less anything that needs to be excluded (currently
# only '@' and '*').
use constant VARIABLE_RE => qr/
	[[:alpha:]_]\w* (?: :: [[:alpha:]_] \w* )* |
	\^ [A-Z_] |
	[0-9]+ |
	[-!"#\$%&'()+,.\/:;<=>?[\\\]^_`{|}~]
    /smx;

1;

__END__