private function visitString($string, Visit $visitor, $postprocessing = true)
{
try {
$ast = $this->parser->parse($string);
} catch (CompilerException $e) {
throw new QueryException('Provided query is not valid', 0, $e);
}
if ($postprocessing) {
$this->fixOperatorAssociativity($ast);
}
return $visitor->visit($ast);
}
/**
* Generate a token value.
* Complete and set next token namespace.
*
* @param \Hoa\Compiler\Llk\Rule\Token $token Token.
* @return string
*/
protected function generateToken(Compiler\Llk\Rule\Token $token)
{
$toNamespace = $this->completeToken($token);
$this->setCurrentNamespace($toNamespace);
return $this->_tokenSampler->visit($token->getAST()) . ' ';
// use skip token @TODO
}
/**
* Generate a token value.
* Complete and set next token namespace.
*
* @param \Hoa\Compiler\Llk\Rule\Token $token Token.
* @return string
*/
protected function generateToken(Compiler\Llk\Rule\Token $token)
{
$toNamespace = $this->completeToken($token);
$this->setCurrentNamespace($toNamespace);
$out = $this->_tokenSampler->visit($token->getAST());
if (isset($this->_tokens[$this->_currentNamespace]['skip'])) {
$out .= $this->_tokenSampler->visit($this->getSkipTokenAST());
}
return $out;
}
/**
* Accept a visitor.
*
* @param \Hoa\Visitor\Visit $visitor Visitor.
* @param mixed &$handle Handle (reference).
* @param mixed $eldnah Handle (no reference).
* @return mixed
*/
public function accept(Visitor\Visit $visitor, &$handle = null, $eldnah = null)
{
return $visitor->visit($this, $handle, $eldnah);
}