/**
* Matches the next token and advances.
*
* @param integer $token The next token to match.
*
* @return array|null TRUE if the next token matches, FALSE if not.
*
* @throws Exception
* @throws SyntaxException If a syntax error is found.
*/
private function match($token)
{
if (!$this->lexer->isNextToken($token)) {
throw SyntaxException::expectedToken($this->lexer->getLiteral($token), null, $this->lexer);
}
return $this->lexer->moveNext();
}
/**
* ArrayEntry ::= Value | KeyValuePair
* KeyValuePair ::= Key ("=" | ":") PlainValue | Constant
* Key ::= string | integer | Constant
*
* @return array
*/
private function ArrayEntry()
{
$peek = $this->lexer->glimpse();
if (DocLexer::T_EQUALS === $peek['type'] || DocLexer::T_COLON === $peek['type']) {
if ($this->lexer->isNextToken(DocLexer::T_IDENTIFIER)) {
$key = $this->Constant();
} else {
$this->matchAny(array(DocLexer::T_INTEGER, DocLexer::T_STRING));
$key = $this->lexer->token['value'];
}
$this->matchAny(array(DocLexer::T_EQUALS, DocLexer::T_COLON));
return array($key, $this->PlainValue());
}
return array(null, $this->Value());
}
