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cex: send traces to stderr, not stdout

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When comparing traces from different machines, the mixture of
stdout/stderr in the output are making things uselessly difficult.

* src/lssi.c, src/state-item.c: Output debug traces on stderr.
This commit is contained in:
Akim Demaille
2021-01-13 08:01:02 +01:00
parent 983364d76a
commit 430ca0fc63
2 changed files with 23 additions and 24 deletions
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13
src/lssi.c
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@@ -102,15 +102,16 @@ append_lssi (lssi *sn, Hash_table *visited, lssi_list queue)
static void
lssi_print (lssi *l)
{
print_state_item (&state_items[l->si], stdout);
FILE *out = stderr;
print_state_item (&state_items[l->si], out);
if (l->lookahead)
{
printf ("FOLLOWL = { ");
fprintf (out, "FOLLOWL = { ");
bitset_iterator biter;
symbol_number sin;
BITSET_FOR_EACH (biter, l->lookahead, sin, 0)
printf ("%s, \n", symbols[sin]->tag);
puts ("}");
fprintf (out, "%s, \n", symbols[sin]->tag);
fprintf (out, "}");
}
}
#endif
@@ -252,11 +253,11 @@ shortest_path_from_start (state_item_number target, symbol_number next_sym)
if (trace_flag & trace_cex)
{
puts ("REDUCE ITEM PATH:");
fputs ("REDUCE ITEM PATH:", stderr);
gl_list_iterator_t it = gl_list_iterator (res);
const void *sip;
while (gl_list_iterator_next (&it, &sip, NULL))
state_item_print ((state_item *) sip, stdout, "");
state_item_print ((state_item *) sip, stderr, "");
}
return res;
}