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

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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.
This commit is contained in:
Akim Demaille
2001-12-13 11:02:21 +00:00
parent cb581495e6
commit ed8e1f68e9
8 changed files with 600 additions and 124 deletions
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8
src/warshall.c
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@@ -49,10 +49,10 @@ bitmatrix_print (const char *title, unsigned *matrix, size_t size)
putc ('\n', stderr);
/* Bar. */
fputs (" +", stderr);
fputs (" .", stderr);
for (i = 0; i < size; ++i)
putc ('-', stderr);
fputs ("+\n", stderr);
fputs (".\n", stderr);
/* Contents. */
for (i = 0; i < size; ++i)
@@ -64,10 +64,10 @@ bitmatrix_print (const char *title, unsigned *matrix, size_t size)
}
/* Bar. */
fputs (" +", stderr);
fputs (" `", stderr);
for (i = 0; i < size; ++i)
putc ('-', stderr);
fputs ("+\n", stderr);
fputs ("'\n", stderr);
/* End title. */
fprintf (stderr, "%s END\n\n", title);