/**
* Attempts to match the given token with the current lookahead token.
*
* If they match, updates the lookahead token; otherwise raises a syntax
* error.
*
* @param int token type
* @return void
* @throws QueryException If the tokens dont match.
*/
public function match($token)
{
// short-circuit on first condition, usually types match
if ($this->_lexer->lookahead['type'] !== $token && $token !== Lexer::T_IDENTIFIER && $this->_lexer->lookahead['type'] <= Lexer::T_IDENTIFIER) {
$this->syntaxError($this->_lexer->getLiteral($token));
}
$this->_lexer->moveNext();
}
/**
* Attempts to match the given token with the current lookahead token.
*
* If they match, updates the lookahead token; otherwise raises a syntax
* error.
*
* @param int $token The token type.
*
* @return void
*
* @throws QueryException If the tokens don't match.
*/
public function match($token)
{
$lookaheadType = $this->lexer->lookahead['type'];
// Short-circuit on first condition, usually types match
if ($lookaheadType !== $token) {
// If parameter is not identifier (1-99) must be exact match
if ($token < Lexer::T_IDENTIFIER) {
$this->syntaxError($this->lexer->getLiteral($token));
}
// If parameter is keyword (200+) must be exact match
if ($token > Lexer::T_IDENTIFIER) {
$this->syntaxError($this->lexer->getLiteral($token));
}
// If parameter is T_IDENTIFIER, then matches T_IDENTIFIER (100) and keywords (200+)
if ($token === Lexer::T_IDENTIFIER && $lookaheadType < Lexer::T_IDENTIFIER) {
$this->syntaxError($this->lexer->getLiteral($token));
}
}
$this->lexer->moveNext();
}