public function visitLiteral(LiteralNode $node)
{
$expecting = var_export($node->getString(), true);
$match = "substr(\$this->string, \$this->position, strlen({$node->getString()}))";
if ($node->isCaseInsensitive()) {
$cond = "strtolower({$match}) === strtolower({$node->getString()})";
} else {
$cond = "{$match} === {$node->getString()}";
}
$this->results[] = <<<EOS
if ({$cond}) {
\$_success = true;
\$this->value = {$match};
\$this->position += strlen({$node->getString()});
} else {
\$_success = false;
\$this->report(\$this->position, {$expecting});
}
EOS;
}
