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fixed Parser which incorrectly treated ((( as function

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This commit is contained in:
Stefan Klug 2012-09-18 11:57:39 +02:00
parent d344407636
commit 6ccf7a7ac7
1 changed files with 37 additions and 27 deletions
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64
lib/Doctrine/ORM/Query/Parser.php
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@ -507,13 +507,14 @@ class Parser
*/
private function isFunction()
{
$peek = $this->lexer->peek();
$nextpeek = $this->lexer->peek();
$lookaheadType = $this->lexer->lookahead['type'];
$peek = $this->lexer->peek();
$nextpeek = $this->lexer->peek();
$this->lexer->resetPeek();
// We deny the COUNT(SELECT * FROM User u) here. COUNT won't be considered a function
return ($peek['type'] === Lexer::T_OPEN_PARENTHESIS && $nextpeek['type'] !== Lexer::T_SELECT);
return ($lookaheadType >= Lexer::T_IDENTIFIER && $peek['type'] === Lexer::T_OPEN_PARENTHESIS && $nextpeek['type'] !== Lexer::T_SELECT);
}
/**
@ -1786,9 +1787,10 @@ class Parser
public function ScalarExpression()
{
$lookahead = $this->lexer->lookahead['type'];
$peek = $this->lexer->glimpse();
switch ($lookahead) {
case Lexer::T_IDENTIFIER:
switch (true) {
case ($lookahead === Lexer::T_IDENTIFIER && $peek['type'] === Lexer::T_DOT):
$this->lexer->peek(); // lookahead => '.'
$this->lexer->peek(); // lookahead => token after '.'
$peek = $this->lexer->peek(); // lookahead => token after the token after the '.'
@ -1800,47 +1802,55 @@ class Parser
return $this->StateFieldPathExpression();
case Lexer::T_INTEGER:
case Lexer::T_FLOAT:
case ($lookahead === Lexer::T_INTEGER):
case ($lookahead === Lexer::T_FLOAT):
return $this->SimpleArithmeticExpression();
case Lexer::T_STRING:
case ($lookahead === Lexer::T_STRING):
return $this->StringPrimary();
case Lexer::T_TRUE:
case Lexer::T_FALSE:
case ($lookahead === Lexer::T_TRUE):
case ($lookahead === Lexer::T_FALSE):
$this->match($lookahead);
return new AST\Literal(AST\Literal::BOOLEAN, $this->lexer->token['value']);
case Lexer::T_INPUT_PARAMETER:
case ($lookahead === Lexer::T_INPUT_PARAMETER):
return $this->InputParameter();
case Lexer::T_CASE:
case Lexer::T_COALESCE:
case Lexer::T_NULLIF:
case ($lookahead === Lexer::T_CASE):
case ($lookahead === Lexer::T_COALESCE):
case ($lookahead === Lexer::T_NULLIF):
// Since NULLIF and COALESCE can be identified as a function,
// we need to check if before check for FunctionDeclaration
return $this->CaseExpression();
default:
if ( ! ($this->isFunction() || $this->isAggregateFunction($lookahead))) {
$this->syntaxError();
}
// We may be in an ArithmeticExpression (find the matching ")" and inspect for Math operator)
case ($this->isFunction()):
$this->lexer->peek(); // "("
$peek = $this->peekBeyondClosingParenthesis();
if ($this->isMathOperator($peek)) {
return $this->SimpleArithmeticExpression();
switch (true) {
case ($this->isMathOperator($this->peekBeyondClosingParenthesis())):
// SUM(u.id) + COUNT(u.id)
return $this->SimpleArithmeticExpression();
break;
case ($this->isAggregateFunction($this->lexer->lookahead['type'])):
return $this->AggregateExpression();
break;
default:
// IDENTITY(u)
return $this->FunctionDeclaration();
break;
}
if ($this->isAggregateFunction($this->lexer->lookahead['type'])) {
return $this->AggregateExpression();
}
break;
return $this->FunctionDeclaration();
case ($lookahead === Lexer::T_OPEN_PARENTHESIS):
return $this->SimpleArithmeticExpression();
default:
$this->syntaxError();
}
}