fixed Parser which incorrectly treated ((( as function
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d344407636
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@ -507,13 +507,14 @@ class Parser
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*/
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private function isFunction()
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{
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$peek = $this->lexer->peek();
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$nextpeek = $this->lexer->peek();
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$lookaheadType = $this->lexer->lookahead['type'];
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$peek = $this->lexer->peek();
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$nextpeek = $this->lexer->peek();
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$this->lexer->resetPeek();
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// We deny the COUNT(SELECT * FROM User u) here. COUNT won't be considered a function
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return ($peek['type'] === Lexer::T_OPEN_PARENTHESIS && $nextpeek['type'] !== Lexer::T_SELECT);
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return ($lookaheadType >= Lexer::T_IDENTIFIER && $peek['type'] === Lexer::T_OPEN_PARENTHESIS && $nextpeek['type'] !== Lexer::T_SELECT);
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}
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/**
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@ -1786,9 +1787,10 @@ class Parser
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public function ScalarExpression()
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{
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$lookahead = $this->lexer->lookahead['type'];
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$peek = $this->lexer->glimpse();
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switch ($lookahead) {
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case Lexer::T_IDENTIFIER:
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switch (true) {
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case ($lookahead === Lexer::T_IDENTIFIER && $peek['type'] === Lexer::T_DOT):
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$this->lexer->peek(); // lookahead => '.'
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$this->lexer->peek(); // lookahead => token after '.'
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$peek = $this->lexer->peek(); // lookahead => token after the token after the '.'
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@ -1800,47 +1802,55 @@ class Parser
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return $this->StateFieldPathExpression();
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case Lexer::T_INTEGER:
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case Lexer::T_FLOAT:
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case ($lookahead === Lexer::T_INTEGER):
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case ($lookahead === Lexer::T_FLOAT):
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return $this->SimpleArithmeticExpression();
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case Lexer::T_STRING:
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case ($lookahead === Lexer::T_STRING):
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return $this->StringPrimary();
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case Lexer::T_TRUE:
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case Lexer::T_FALSE:
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case ($lookahead === Lexer::T_TRUE):
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case ($lookahead === Lexer::T_FALSE):
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$this->match($lookahead);
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return new AST\Literal(AST\Literal::BOOLEAN, $this->lexer->token['value']);
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case Lexer::T_INPUT_PARAMETER:
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case ($lookahead === Lexer::T_INPUT_PARAMETER):
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return $this->InputParameter();
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case Lexer::T_CASE:
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case Lexer::T_COALESCE:
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case Lexer::T_NULLIF:
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case ($lookahead === Lexer::T_CASE):
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case ($lookahead === Lexer::T_COALESCE):
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case ($lookahead === Lexer::T_NULLIF):
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// Since NULLIF and COALESCE can be identified as a function,
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// we need to check if before check for FunctionDeclaration
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return $this->CaseExpression();
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default:
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if ( ! ($this->isFunction() || $this->isAggregateFunction($lookahead))) {
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$this->syntaxError();
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}
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// We may be in an ArithmeticExpression (find the matching ")" and inspect for Math operator)
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case ($this->isFunction()):
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$this->lexer->peek(); // "("
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$peek = $this->peekBeyondClosingParenthesis();
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if ($this->isMathOperator($peek)) {
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return $this->SimpleArithmeticExpression();
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switch (true) {
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case ($this->isMathOperator($this->peekBeyondClosingParenthesis())):
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// SUM(u.id) + COUNT(u.id)
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return $this->SimpleArithmeticExpression();
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break;
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case ($this->isAggregateFunction($this->lexer->lookahead['type'])):
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return $this->AggregateExpression();
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break;
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default:
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// IDENTITY(u)
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return $this->FunctionDeclaration();
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break;
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}
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if ($this->isAggregateFunction($this->lexer->lookahead['type'])) {
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return $this->AggregateExpression();
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}
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break;
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return $this->FunctionDeclaration();
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case ($lookahead === Lexer::T_OPEN_PARENTHESIS):
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return $this->SimpleArithmeticExpression();
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default:
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$this->syntaxError();
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}
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}
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