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1 | package Moose::Meta::Method::Accessor::Native::Array::splice; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | our $VERSION = '1.19'; |
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7 | $VERSION = eval $VERSION; |
8 | our $AUTHORITY = 'cpan:STEVAN'; |
9 | |
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10 | use Moose::Role; |
11 | |
12 | with 'Moose::Meta::Method::Accessor::Native::Array::Writer' => { |
13 | -excludes => [ |
14 | qw( |
15 | _minimum_arguments |
16 | _inline_process_arguments |
17 | _inline_check_arguments |
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18 | _inline_optimized_set_new_value |
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19 | _return_value |
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20 | ) |
21 | ] |
22 | }; |
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23 | |
24 | sub _minimum_arguments { 1 } |
25 | |
26 | sub _adds_members { 1 } |
27 | |
28 | sub _inline_process_arguments { |
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29 | return ( |
30 | 'my $idx = shift;', |
31 | 'my $len = @_ ? shift : undef;', |
32 | ); |
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33 | } |
34 | |
35 | sub _inline_check_arguments { |
36 | my $self = shift; |
37 | |
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38 | return ( |
39 | $self->_inline_check_var_is_valid_index('$idx'), |
40 | 'if (defined($len) && $len !~ /^-?\d+$/) {', |
41 | $self->_inline_throw_error( |
42 | '"The length argument passed to splice must be an integer"', |
43 | ) . ';', |
44 | '}', |
45 | ); |
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46 | } |
47 | |
48 | sub _potential_value { |
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49 | my $self = shift; |
50 | my ($slot_access) = @_; |
51 | |
52 | return '(do { ' |
53 | . 'my @potential = @{ (' . $slot_access . ') }; ' |
54 | . '@return = defined $len ' |
55 | . '? (splice @potential, $idx, $len, @_) ' |
56 | . ': (splice @potential, $idx); ' |
57 | . '\@potential;' |
58 | . '})'; |
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59 | } |
60 | |
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61 | sub _inline_optimized_set_new_value { |
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62 | my $self = shift; |
63 | my ($inv, $new, $slot_access) = @_; |
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64 | |
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65 | return ( |
66 | '@return = defined $len', |
67 | '? (splice @{ (' . $slot_access . ') }, $idx, $len, @_)', |
68 | ': (splice @{ (' . $slot_access . ') }, $idx);', |
69 | ); |
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70 | } |
71 | |
72 | sub _return_value { |
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73 | my $self = shift; |
74 | my ($slot_access) = @_; |
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75 | |
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76 | return 'wantarray ? @return : $return[-1]'; |
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77 | } |
78 | |
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79 | no Moose::Role; |
80 | |
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81 | 1; |