Hello,
When Bison prints error messages for symbols, it doesn't take into account
possible semantic values. For instance, it says "unexpected <literal>,
expected foo".
What would be much more helpful is if it printed the semantic values instead.
For instance, "123" instead of "<literal>" and "myVariable" instead of
"<identifier>".
I first thought that the %print-feature, mysteriously used in examples but not
documented, did this. But it's a whole feature for the purpose of
improving... /debug/ output?
Is there any way to register code for printing helpful token descriptions?
(Yes, there is %token name "string" when it is known statically.)
Cheers,
Frans
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