/**
* Peek the type of the next token
* @return epToken
*/
protected function peek()
{
// peek the next token
$t = $this->_lexer->peek();
// ignore new lines
while ($t && $t->value == "\n") {
$this->_lexer->next();
$t = $this->_lexer->peek();
}
// set up peeked token
return $this->_p($t);
}
/**
* test Peek at EOF
*/
function testPeekAtEOF()
{
// create the lexer
$l = new epQueryLexer("from classA where var = 1234");
// read to end
$i = 0;
while (($t = $l->next()) !== false) {
$i++;
}
// assert 6 tokens: var x , y , z
$this->assertEqual(6, $i);
// eof. peek always returns false
for ($i = 0; $i < 5; $i++) {
$t = $l->peek();
$this->assertTrue($t === false);
}
}
/**
* Peek the type of the next token
* @return epQueryToken
*/
protected function peek()
{
// peek the next token
$t = $this->_lexer->peek();
// ignore new lines
while ($t && $t->type == EPQ_T_NEWLINE) {
$this->_lexer->next();
$t = $this->_lexer->peek();
}
// set up peeked token
return $this->_p($t);
}