private function parseList(TokenStream $tokens)
{
$list = new Node\ListNode($tokens->current());
$tokens->next();
while ($tokens->valid() && !$tokens->current()->isType(Token::CLOSE_LIST)) {
$list->add($this->doParse($tokens));
}
$tokens->next();
return $list;
}
protected function parseDict(TokenStream $stream)
{
// expect and discard the openig brace
$stream->expect(Tokens::T_OPEN_BRACE);
$stream->next();
$values = array();
while ($stream->valid()) {
$this->consumeWhitespace($stream);
if ($stream->current()->test(Tokens::T_CLOSE_BRACE)) {
break;
}
$key = $this->parseDictKey($stream);
$this->consumeWhitespace($stream);
$stream->expect(Tokens::T_COLON);
$stream->next();
$this->consumeWhitespace($stream);
$values[$key] = $this->parseValue($stream);
$this->consumeWhitespace($stream);
$stream->expect(array(Tokens::T_COMMA, Tokens::T_CLOSE_BRACE));
if ($stream->current()->test(Tokens::T_COMMA)) {
$stream->next();
}
}
$stream->expect(Tokens::T_CLOSE_BRACE);
return $values;
}
