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Bison dumps core on bash.y.

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Reported by Pascal Bart.
* src/warshall.c (bitmatrix_print): New.
(TC): Use it.
When performing a transitive closure R(i, j) && R(j, k) => R(i,	k),
j must be the outer loop.
* tests/regression.at (Broken Closure): New.
This commit is contained in:
Akim Demaille
2001-12-10 08:43:38 +00:00
parent 74d757ab92
commit ed45e93ed8
4 changed files with 161 additions and 18 deletions
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src/lalr.c
+18 -16
View File
@@ -247,16 +247,17 @@ set_goto_map (void)
ngotos = 0;
for (sp = first_shift; sp; sp = sp->next)
for (i = sp->nshifts - 1; i >= 0 && SHIFT_IS_GOTO (sp, i); --i)
{
symbol = state_table[sp->shifts[i]].accessing_symbol;
if (sp->nshifts)
for (i = sp->nshifts - 1; i >= 0 && SHIFT_IS_GOTO (sp, i); --i)
{
symbol = state_table[sp->shifts[i]].accessing_symbol;
if (ngotos == MAXSHORT)
fatal (_("too many gotos (max %d)"), MAXSHORT);
if (ngotos == MAXSHORT)
fatal (_("too many gotos (max %d)"), MAXSHORT);
ngotos++;
goto_map[symbol]++;
}
ngotos++;
goto_map[symbol]++;
}
k = 0;
for (i = ntokens; i < nsyms; i++)
@@ -277,15 +278,16 @@ set_goto_map (void)
for (sp = first_shift; sp; sp = sp->next)
{
state1 = sp->number;
for (i = sp->nshifts - 1; i >= 0 && SHIFT_IS_GOTO (sp, i); --i)
{
state2 = sp->shifts[i];
symbol = state_table[state2].accessing_symbol;
if (sp->nshifts)
for (i = sp->nshifts - 1; i >= 0 && SHIFT_IS_GOTO (sp, i); --i)
{
state2 = sp->shifts[i];
symbol = state_table[state2].accessing_symbol;
k = temp_map[symbol]++;
from_state[k] = state1;
to_state[k] = state2;
}
k = temp_map[symbol]++;
from_state[k] = state1;
to_state[k] = state2;
}
}
XFREE (temp_map + ntokens);