Hi,

the following patch series changes the grammar in src/stapl/jamexp.y to use 
precedences. This makes the grammar more efficient (only one reduction to 
'expr' instead of a cascade of reductions to 'logical_or_expr') and easier to 
comprehend.

Patch 1 expands the test suite with additional checks to ascertain what is 
allowed on the RHS of pound and dollar tokens and in array range values 
(tl;dr: the grammar was too strict, expressions are always allowed).

Patch 2 provides the changes to jamexp.y


Regards,

   Peter Pöschl




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