diogo/yap-6.3
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be a bit more careful saving state.

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This commit is contained in:
Vitor Santos Costa 2012-09-26 22:07:47 +01:00
parent 20d31b8207
commit 55f28a75ab
1 changed files with 3 additions and 3 deletions
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4
library/dialect/swi/fli/swi.c
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@ -2330,7 +2330,7 @@ X_API int PL_next_solution(qid_t qi)
X_API void PL_cut_query(qid_t qi)
{
if (qi->open != 1) return;
if (qi->open != 1 || qi->state == 0) return;
YAP_PruneGoal();
YAP_cut_up();
qi->open = 0;
@ -2339,7 +2339,7 @@ X_API void PL_cut_query(qid_t qi)
X_API void PL_close_query(qid_t qi)
{
/* need to implement backtracking here */
if (qi->open != 1)
if (qi->open != 1 || qi->state == 0)
return;
YAP_PruneGoal();
YAP_RestartGoal();