On 03/12/2010 1:18 AM, Alex Repain wrote:
> Is there some study work about how LR is supposed to help setting
> operator precedences ?

I should have said "associativity" rather than "precedence".
Left-recursive rules naturally produce a left-associative AST
(http://en.wikipedia.org/wiki/Left_recursion#Pitfalls); precedence is
handled by the structure of the grammar.

-- 
Gordon Tisher
http://balafon.net

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