/usr/share/perl5/PlSense/Plugin/PPIBuilder/Default.pm is in plsense 0.3.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | package PlSense::Plugin::PPIBuilder::Default;
use parent qw{ PlSense::Plugin::PPIBuilder };
use strict;
use warnings;
use Class::Std;
use List::AllUtils qw{ firstidx };
use PlSense::Logger;
use PlSense::Util;
use PlSense::Entity::Instance;
use PlSense::Entity::Hash;
use PlSense::Symbol::Variable;
{
sub end {
my ($self, $mdl, $ppi) = @_;
if ( $mdl->get_name eq 'main' || ! $mdl->is_objective ) { return; }
my $mtd = $mdl->get_method("new") or return;
my $entity = PlSense::Entity::Instance->new({ modulenm => $mdl->get_name, });
substkeeper->add_substitute($mtd->get_fullnm, $entity, 1);
my $baddr = '&'.$mdl->get_name.'::BLESS';
substkeeper->add_substitute($baddr, $entity, 1);
}
sub scheduled_statement {
my ($self, $mdl, $scheduled_type, $stmt) = @_;
if ( $scheduled_type eq "END" ) { return; }
if ( $stmt->isa("PPI::Statement::Break") ) { return; }
if ( $stmt->isa("PPI::Statement::Compound") ) { return; }
my @tokens = $stmt->children;
$self->build_by_variable_substituted($stmt, @tokens)
|| $self->build_by_normal_statement($stmt, @tokens);
}
sub sub_statement {
my ($self, $mtd, $stmt) = @_;
my $mdl = $mtd->get_module or return;
if ( $mdl->is_objective ) {
my $baddr = '&'.$mdl->get_name.'::BLESS';
substkeeper->add_substitute($mtd->get_fullnm."[1]", $baddr, 1);
}
my $block = $stmt->block or return;
my @statements = $block->children;
my $laststmt = pop @statements or return;
if ( $laststmt->isa("PPI::Statement::Break") ) {
$self->build_by_break_statement($mtd, $laststmt);
}
elsif ( $laststmt->isa("PPI::Statement") ) {
my @tokens = $laststmt->children;
logger->info("Found method last statement : ".$laststmt->content);
substbuilder->build_method_return($mtd, @tokens);
}
}
sub variable_statement {
my ($self, $vars, $stmt) = @_;
my @tokens = $stmt->children;
my $eqidx = firstidx { $_->isa("PPI::Token::Operator") && $_->content eq "=" } @tokens;
if ( $eqidx < 0 || $eqidx >= $#tokens ) { return; }
$eqidx++;
substbuilder->build_variable_substitute( $vars, @tokens[$eqidx..$#tokens] );
}
sub other_statement {
my ($self, $mdl, $mtd, $stmt) = @_;
if ( $stmt->isa("PPI::Statement::Break") && $mtd ) {
$self->build_by_break_statement($mtd, $stmt);
}
elsif ( $stmt->isa("PPI::Statement::Compound") ) {
my @tokens = $stmt->children;
my $e = shift @tokens or return;
if ( $e->isa("PPI::Token::Label") ) { $e = shift @tokens or return; }
if ( ! $e->isa("PPI::Token::Word") ) { return; }
if ( $e->content eq "for" ) { $self->build_by_for_statement($mdl, $mtd, @tokens); }
elsif ( $e->content eq "foreach" ) { $self->build_by_foreach_statement($mdl, $mtd, @tokens); }
elsif ( $e->content eq "while" ) { $self->build_by_while_statement($mdl, $mtd, @tokens); }
}
else {
my @tokens = $stmt->children;
$self->build_by_variable_substituted($stmt, @tokens)
|| $self->build_by_normal_statement($stmt, @tokens);
}
}
sub build_by_variable_substituted : PRIVATE {
my ($self, $stmt, @tokens) = @_;
my $eqidx = firstidx { $_->isa("PPI::Token::Operator") && $_->content eq "=" } @tokens;
if ( $eqidx <= 0 || $eqidx >= $#tokens ) { return; }
logger->info("Found substitute statement : ".$stmt->content);
my @lefts = @tokens[0..($eqidx-1)];
my @rights = @tokens[($eqidx+1)..$#tokens];
substbuilder->build_substitute_with_find_variable( \@lefts, @rights );
return 1;
}
sub build_by_normal_statement : PRIVATE {
my ($self, $stmt, @tokens) = @_;
substbuilder->build_any_substitute_from_normal_statement(@tokens);
}
sub build_by_break_statement : PRIVATE {
my ($self, $mtd, $stmt) = @_;
my @tokens = $stmt->children;
my $e = shift @tokens or return;
if ( $e->content ne "return" ) { return; }
logger->info("Found method break statement : ".$stmt->content);
substbuilder->build_method_return($mtd, @tokens);
}
sub build_by_for_statement : PRIVATE {
my ($self, $mdl, $mtd, @tokens) = @_;
$self->build_by_foreach_statement($mdl, $mtd, @tokens);
}
sub build_by_foreach_statement : PRIVATE {
my ($self, $mdl, $mtd, @tokens) = @_;
my $lexical;
my $e = shift @tokens or return;
if ( $e->isa("PPI::Token::Word") && $e->content eq "my" ) {
$lexical = 1;
$e = shift @tokens or return;
}
if ( ! $e->isa("PPI::Token::Symbol") ) { return; }
my $varnm = "".$e->content."";
my $var = $mtd && $mtd->exist_variable($varnm) ? $mtd->get_variable($varnm)
: $mdl->exist_member($varnm) ? $mdl->get_member($varnm)
: $lexical ? PlSense::Symbol::Variable->new({ name => "$varnm",
lexical => 1,
belong => $mtd ? $mtd : $mdl, })
: undef;
if ( ! $var ) { return; }
$e = shift @tokens or return;
if ( ! $e->isa("PPI::Structure::List") ) { return; }
my @children = $e->children;
if ( $#children < 0 ) { return; }
$e = shift @children or return;
if ( ! $e->isa("PPI::Statement") ) { return; }
logger->info("Found for/foreach statement : ".$e->content);
@children = $e->children;
my $any = addrfinder->find_address_or_entity(@children) or return;
if ( eval { $any->isa("PlSense::Entity") } ) {
if ( ! $any->isa("PlSense::Entity::Array") ) { return; }
my $el = $any->get_element;
if ( $el ) {
substkeeper->add_substitute($var->get_fullnm, $el);
}
elsif ( $any->count_address > 0 ) {
substkeeper->add_substitute($var->get_fullnm, $any->get_address(1).".A");
}
}
else {
substkeeper->add_substitute($var->get_fullnm, $any.".A");
}
}
sub build_by_while_statement : PRIVATE {
my ($self, $mdl, $mtd, @tokens) = @_;
my $e = shift @tokens or return;
if ( ! $e->isa("PPI::Structure::Condition") ) { return; }
my @children = $e->children;
my $eqidx = firstidx { $_->isa("PPI::Token::Operator") && $_->content eq "=" } @children;
if ( $eqidx <= 0 || $eqidx >= $#children ) { return; }
logger->info("Found while statement : ".$e->content);
my @lefts = @children[0..($eqidx-1)];
my @rights = @children[($eqidx+1)..$#children];
}
}
1;
__END__
|