public function build(ExpressionList $exprlist)
{
$repeat = Expression::ONE;
if (isset($this['zero_or_more'])) {
$repeat = Expression::ZERO_OR_MORE;
} elseif (isset($this['one_or_more'])) {
$repeat = Expression::ONE_OR_MORE;
} elseif (isset($this['one_or_zero'])) {
$repeat = Expression::ONE_OR_ZERO;
}
$name = '';
if (isset($this['tokenname'])) {
$name = $this['tokenname']->getText();
}
$omit = FALSE;
if (isset($this['omit'])) {
$omit = TRUE;
}
if (isset($this['literal'])) {
$exprlist->addLiteral($this['literal']->getText(), $name, $omit, $repeat);
}
if (isset($this['name'])) {
if ($name == '' && isset($this['named'])) {
$name = $this['name']->getText();
}
$exprlist->addSubRule($this['name']->getText(), $name, $omit, $repeat);
}
if (isset($this['set'])) {
$exprlist->addSet($this['set']->getText(), $name, $omit, $repeat);
}
if (isset($this['regex'])) {
$exprlist->addRegex($this['regex']->getText(), $name, $omit, $repeat);
}
if (isset($this['peren'])) {
$group = $exprlist->addGroup('', FALSE, $repeat);
$this['peren']['choice']->build($group);
}
if (isset($this['whitespace'])) {
if ($this['whitespace']->getText() == '>') {
$exprlist->addRegex('[ \\t]*', $name, $omit, $repeat);
} else {
$exprlist->addRegex('[ \\t]+', $name, $omit, $repeat);
}
}
}
