/**
* StringPrimary ::= StateFieldPathExpression | string | InputParameter | FunctionsReturningStrings | AggregateExpression
*/
public function _StringPrimary()
{
if ($this->_lexer->lookahead['type'] === Lexer::T_IDENTIFIER) {
$peek = $this->_lexer->glimpse();
if ($peek['value'] == '.') {
return $this->_StateFieldPathExpression();
} else {
if ($peek['value'] == '(') {
return $this->_FunctionsReturningStrings();
} else {
$this->syntaxError("'.' or '('");
}
}
} else {
if ($this->_lexer->lookahead['type'] === Lexer::T_STRING) {
$this->match(Lexer::T_STRING);
return $this->_lexer->token['value'];
} else {
if ($this->_lexer->lookahead['type'] === Lexer::T_INPUT_PARAMETER) {
$this->match(Lexer::T_INPUT_PARAMETER);
return new AST\InputParameter($this->_lexer->token['value']);
} else {
if ($this->_isAggregateFunction($this->_lexer->lookahead['type'])) {
return $this->_AggregateExpression();
} else {
$this->syntaxError('StateFieldPathExpression | string | InputParameter | FunctionsReturningStrings | AggregateExpression');
}
}
}
}
}
/**
* ComparisonExpression ::= ArithmeticExpression ComparisonOperator ( QuantifiedExpression | ArithmeticExpression )
*
* @return \Doctrine\ORM\Query\AST\ComparisonExpression
*/
public function ComparisonExpression()
{
$peek = $this->_lexer->glimpse();
$leftExpr = $this->ArithmeticExpression();
$operator = $this->ComparisonOperator();
$rightExpr = $this->_isNextAllAnySome() ? $this->QuantifiedExpression() : $this->ArithmeticExpression();
return new AST\ComparisonExpression($leftExpr, $operator, $rightExpr);
}
