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# This code can be redistributed and modified under the terms of the GNU |
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# General Public License as published by the Free Software Foundation, either |
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# version 3 of the License, or (at your option) any later version. |
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# See the "COPYING" file for details. |
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package HTML::Blitz::CodeGen; |
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use HTML::Blitz::pragma; |
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11
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67
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use HTML::Blitz::Atom qw( |
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OP_RAW |
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9
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OP_VAR |
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OP_VAR_QQ |
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OP_VAR_HTML |
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OP_VAR_SCRIPT |
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OP_VAR_STYLE |
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OP_CALL |
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OP_CALL_QQ |
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OP_CALL_SCRIPT |
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OP_CALL_STYLE |
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OP_MANGLE_ATTR |
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OP_LOOP |
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20
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OP_COND |
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11
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9062
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); |
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28
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22
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11
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11
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84
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use Carp qw(croak); |
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64
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11
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628
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23
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24
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use constant { |
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11
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2678
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_REPR_VERSION => 1, |
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MAX_NESTED_CONCAT => 100, |
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11
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83
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}; |
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28
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29
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our $VERSION = '0.08'; |
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31
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291
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50
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33
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291
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0
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611
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method new($class: :$_scope = 0, :$name = undef) { |
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291
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50
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1219
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291
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100
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803
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291
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50
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740
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291
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669
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291
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554
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291
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662
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291
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380
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291
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100
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2027
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bless { |
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name => defined($name) ? "$name" : undef, |
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depth => $_scope, |
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code => [ |
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{ type => OP_RAW, str => '' }, |
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], |
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}, $class |
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} |
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41
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1
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50
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1
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0
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4
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method FREEZE($model) { |
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1
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50
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4
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1
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2
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1
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3
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1
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2
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42
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1
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5
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my @todo = [$self, \my @code]; |
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43
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1
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4
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while (@todo) { |
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4
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5
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my ($object, $target) = @{pop @todo}; |
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4
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9
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45
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4
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7
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@$target = @{$object->{code}}; |
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4
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11
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46
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4
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8
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for my $op (@$target) { |
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12
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100
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100
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60
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if ($op->{type} eq OP_LOOP || $op->{type} eq OP_COND) { |
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3
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5
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my $body = $op->{body}; |
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49
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3
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7
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push @todo, [$body, my $ref = []]; |
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3
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14
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$op = { %$op, body => [$body->{depth}, $ref] }; |
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51
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3
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100
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66
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14
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if ($model eq 'JSON' && $op->{type} eq OP_COND) { |
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52
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2
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100
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4
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$op->{names} = [map ref($_->[1]) eq 'SCALAR' ? [$_->[0], [${$_->[1]}]] : $_, @{$op->{names}}]; |
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1
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6
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2
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11
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53
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} |
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54
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} |
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55
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} |
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56
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} |
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57
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1
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40
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_REPR_VERSION, [$self->{depth}, \@code, $self->{name}] |
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58
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} |
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59
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60
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1
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50
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1
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0
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4
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method THAW($class: $model, $repr_version, $components) { |
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1
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50
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3
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1
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2
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1
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4
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1
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2
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61
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1
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50
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3
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$repr_version <= _REPR_VERSION |
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62
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or croak "Cannot deserialize data format $repr_version with $class v$VERSION, which only supports data format " . _REPR_VERSION; |
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63
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1
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5
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my @todo = ['init', \my $self, @$components]; |
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1
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4
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while (@todo) { |
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8
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my ($type, $ref, $depth, $code, $name) = @{pop @todo}; |
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8
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18
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66
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8
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100
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18
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if ($type eq 'exit') { |
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67
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4
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9
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my $obj = $class->new(_scope => $depth, name => $name); |
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68
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4
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9
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$obj->{code} = $code; |
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69
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4
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6
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$$ref = $obj; |
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70
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4
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10
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next; |
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71
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} |
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72
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$type eq 'init' |
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or die "Internal error: bad THAW stack type '$type'"; |
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4
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17
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push @todo, ['exit', $ref, $depth, $code, $name]; |
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75
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4
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9
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for my $op (@$code) { |
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12
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100
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100
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46
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if ($op->{type} eq OP_LOOP || $op->{type} eq OP_COND) { |
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3
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100
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66
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20
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if ($model eq 'JSON' && $op->{type} eq OP_COND) { |
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78
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2
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100
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5
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$op->{names} = [map ref($_->[1]) eq 'ARRAY' ? [$_->[0], \$_->[1][0]] : $_, @{$op->{names}}]; |
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2
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14
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79
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} |
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80
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3
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7
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my $body = $op->{body}; |
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81
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3
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10
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push @todo, ['init', \$op->{body}, $body->[0], $body->[1]]; |
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82
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} |
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83
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} |
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84
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} |
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85
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$self |
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86
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1
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3
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} |
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87
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88
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749
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50
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749
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0
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1892
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method scope() { |
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749
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50
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1443
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749
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1152
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749
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955
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89
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$self->{depth} |
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90
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749
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18592
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} |
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91
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92
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10109
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50
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10109
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18751
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method _emit_raw($str) { |
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10109
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50
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17171
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10109
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13093
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10109
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15679
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10109
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12124
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93
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10109
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100
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16762
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return if $str eq ''; |
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94
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10104
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100
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20386
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if ((my $op = $self->{code}[-1])->{type} eq OP_RAW) { |
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95
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10018
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30638
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$op->{str} .= $str; |
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96
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} else { |
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97
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86
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127
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push @{$self->{code}}, { type => OP_RAW, str => $str }; |
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86
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650
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98
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} |
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99
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} |
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100
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101
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9
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50
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9
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0
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27
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method emit_doctype() { |
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9
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50
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22
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9
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13
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9
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13
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102
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9
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20
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$self->_emit_raw(''); |
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103
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} |
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104
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105
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34
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50
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34
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0
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69
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method emit_comment($content) { |
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34
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50
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61
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34
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50
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34
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56
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34
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51
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106
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34
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50
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100
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$content =~ /\A(-?>)/ |
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107
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and croak "HTML comment must not start with '$1': '$content'"; |
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108
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34
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50
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129
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$content =~ /("); |
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111
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} |
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112
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113
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2214
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50
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2214
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0
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4313
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method emit_text($text) { |
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2214
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50
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3943
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2214
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3070
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2214
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3721
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2214
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2785
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114
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2214
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100
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4756
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$text =~ s{([<&])}{ $1 eq '<' ? '<' : '&' }eg; |
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129
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599
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115
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2214
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4420
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$self->_emit_raw($text); |
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116
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} |
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117
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118
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my $assert_style_code = q{sub { |
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119
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$_[0] =~ m{(])}aai |
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120
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and Carp::croak "contents of |