The computation of nullable is broken: it doesn't handle empty

[bison.git] / ChangeLog

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+2001-12-13  Akim Demaille  <akim@epita.fr>
+
+       The computation of nullable is broken: it doesn't handle empty
+       RHS's properly.
+
+       * tests/torture.at (GNU AWK Grammar): New.
+       * tests/sets.at (Nullable): New.
+       * src/nullable.c (set_nullable): Instead of blindly looping over
+       `ritems', loop over the rules, and then over their rhs's.
+
+       Work around Autotest bugs.
+
+       * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
+       frame, because Autotest understand lines starting with a `+' as
+       traces from the shell.  Then, they are not processed properly.
+       Admittedly an Autotest bug, but we don't have time to wait for
+       Autotest to catch up.
+       * tests/regression.at (Broken Closure): Adjust to the new table
+       frames.
+       Move to...
+       * tests/sets.at: here.
+
 2001-12-13  Akim Demaille  <akim@epita.fr>
 
        * src/closure.c (closure): Use nrules instead of playing tricks