function it_should_create_a_sequence_from_a_node()
{
$sequenceNode = new SequenceNode(array(new RuleReferenceNode('Foo'), new RuleReferenceNode('Bar')));
$sequenceCode = <<<EOS
\$_value1 = array();
\$_success = \$this->parseFoo();
if (\$_success) {
\$_value1[] = \$this->value;
\$_success = \$this->parseBar();
}
if (\$_success) {
\$_value1[] = \$this->value;
\$this->value = \$_value1;
}
EOS;
$sequenceNode->accept($this->getWrappedObject());
$this->getResult()->shouldBe($sequenceCode);
}
public function visitSequence(SequenceNode $node)
{
$value = $this->id('value');
$pieces = $this->getResults($node->getLength());
$result = <<<EOS
{$value} = array();
{$pieces[0]}
EOS;
foreach (array_slice($pieces, 1) as $piece) {
$result .= <<<EOS
if (\$_success) {
{$value}[] = \$this->value;
{$this->indent($piece)}
}
EOS;
}
$result .= <<<EOS
if (\$_success) {
{$value}[] = \$this->value;
\$this->value = {$value};
}
EOS;
$this->results[] = $result;
}