public function __construct(Tokenizer $tokens, $expect = null, $where = null)
{
if ($expect && count($expect) == 1 && is_string($expect[0])) {
$expect = ", expect '" . $expect[0] . "'";
} else {
$expect = "";
}
if (!$tokens->curr) {
$this->message = "Unexpected end of " . ($where ?: "expression") . "{$expect}";
} else {
$this->message = "Unexpected token '" . $tokens->current() . "' in " . ($where ?: "expression") . "{$expect}";
}
}
private function _parseName(Tokenizer $tokens)
{
$tokens->skipIf(T_NS_SEPARATOR);
$name = $tokens->get(T_STRING);
while ($tokens->next()->is(T_NS_SEPARATOR)) {
$name .= '\\' . $tokens->next()->get(T_STRING);
}
return ltrim($name, '\\');
}
public function parseVariable(Tokenizer $tokens)
{
$name = substr($tokens->getAndNext(), 1);
if ($tokens->is(T_OBJECT_OPERATOR, T_DOUBLE_COLON)) {
drop("parse object");
} elseif ($tokens->is('[')) {
drop("parse array");
} elseif ($tokens->is('(')) {
drop("parse call");
} else {
return $this->variable($name);
}
}