SmaCC: Shift/Reduce Conflict
Bergel, Alexandre
bergel at iam.unibe.ch
Mon Apr 23 14:40:01 UTC 2007
Hi Mathieu!
> I suggest you to create a rule for the assignment.
> You can write something like
>
> Assignment :
> Id "=" Expression;
If I add
Expression :
FunctionCall
| Assignment
| ...
Assignment :
Id "=" Expression;
Then it loops... Hence a conflict.
> ExpressionWithValue always end up with a Number which is not what
> your example saw.
> Shift/Reduce dose not matter
> You can still parse the expression and you have some rule to say if
> you want to follow the longer rule or not (ie. Shift or reduce).
> By default you SmaCC do a shift. Look at the tutorial pane in the
> UI of SmaCC.
Are you saying that my grammar is well written and the conflict I
have cannot be removed properly ?
Thanks,
Alexandre
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel http://www.software-artist.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
More information about the Squeak-dev
mailing list
|