diogo/yap-6.3
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db tries library small null bug fix

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This commit is contained in:
Theofrastos Mantadelis 2010-09-07 19:28:56 +02:00
parent 511614ee84
commit 3399fd9e8f
2 changed files with 11 additions and 9 deletions
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4
library/tries/base_dbtries.c
View File

@ -338,9 +338,9 @@ TrNode breadth_reduction(TrEntry trie, TrNode breadth_node, YAP_Int opt_level) {
stop_data = TrData_previous(TrEntry_first_data(trie)); stop_data = TrData_previous(TrEntry_first_data(trie));
data = TrEntry_traverse_data(trie) = TrEntry_last_data(trie); data = TrEntry_traverse_data(trie) = TrEntry_last_data(trie);
while ((data != stop_data) && (data != NULL)) { while ((data != stop_data) && (data != NULL)) {
/* printf("hi1\n");*/ // printf("hi\n");
node = core_breadth_reduction(TRIE_ENGINE, TrData_leaf(data), breadth_node, opt_level, &trie_data_construct, &trie_data_destruct, &trie_data_copy, &trie_data_order_correction); node = core_breadth_reduction(TRIE_ENGINE, TrData_leaf(data), breadth_node, opt_level, &trie_data_construct, &trie_data_destruct, &trie_data_copy, &trie_data_order_correction);
// printf("bye1\n"); // printf("bye\n");
if (node && IS_FUNCTOR_NODE(TrNode_parent(node)) && (strcmp(YAP_AtomName(YAP_NameOfFunctor((YAP_Functor)(~ApplTag & TrNode_entry(TrNode_parent(node))))), NESTED_TRIE_TERM) == 0)) { if (node && IS_FUNCTOR_NODE(TrNode_parent(node)) && (strcmp(YAP_AtomName(YAP_NameOfFunctor((YAP_Functor)(~ApplTag & TrNode_entry(TrNode_parent(node))))), NESTED_TRIE_TERM) == 0)) {
//nested trie stop procedure return nested trie node //nested trie stop procedure return nested trie node
return node; return node;

12
library/tries/core_dbtries.c
View File

@ -553,7 +553,7 @@ TrNode core_breadth_reduction(TrEngine engine, TrNode node, TrNode breadth_node,
child = TrNode_child(child); child = TrNode_child(child);
} else } else
child = TrNode_child(node); child = TrNode_child(node);
/* printf("start node: "); displaynode(child);*/ // printf("Chosen start node: "); displaynode(child);
if (IS_HASH_NODE(child)) { if (IS_HASH_NODE(child)) {
printf("warning\n"); printf("warning\n");
TrNode *first_bucket, *bucket; TrNode *first_bucket, *bucket;
@ -576,6 +576,8 @@ TrNode core_breadth_reduction(TrEngine engine, TrNode node, TrNode breadth_node,
} }
} }
TrNode temp = TrNode_child(child); TrNode temp = TrNode_child(child);
if (temp == NULL)
return NULL;
if (IS_HASH_NODE(temp)) { if (IS_HASH_NODE(temp)) {
TrNode *first_bucket2, *bucket2; TrNode *first_bucket2, *bucket2;
TrHash hash2 = (TrHash) temp; TrHash hash2 = (TrHash) temp;
@ -591,8 +593,6 @@ TrNode core_breadth_reduction(TrEngine engine, TrNode node, TrNode breadth_node,
while((temp != NULL) && (TrNode_entry(temp) != PairEndTag)) while((temp != NULL) && (TrNode_entry(temp) != PairEndTag))
temp = TrNode_next(temp); temp = TrNode_next(temp);
} }
if (temp == NULL)
return NULL;
//Nested Trie code //Nested Trie code
if (IS_FUNCTOR_NODE(TrNode_parent(child)) && (strcmp(YAP_AtomName(YAP_NameOfFunctor((YAP_Functor)(~ApplTag & TrNode_entry(TrNode_parent(child))))), NESTED_TRIE_TERM) == 0)) { if (IS_FUNCTOR_NODE(TrNode_parent(child)) && (strcmp(YAP_AtomName(YAP_NameOfFunctor((YAP_Functor)(~ApplTag & TrNode_entry(TrNode_parent(child))))), NESTED_TRIE_TERM) == 0)) {
/* nested trie: stop procedure and return nested trie node */ /* nested trie: stop procedure and return nested trie node */
@ -628,6 +628,9 @@ TrNode core_breadth_reduction(TrEngine engine, TrNode node, TrNode breadth_node,
} }
} }
TrNode temp = TrNode_child(child); TrNode temp = TrNode_child(child);
if (temp == NULL)
return NULL;
// printf("Chosen start node child: "); displaynode(temp);
if (IS_HASH_NODE(temp)) { if (IS_HASH_NODE(temp)) {
TrNode *first_bucket, *bucket; TrNode *first_bucket, *bucket;
TrHash hash = (TrHash) temp; TrHash hash = (TrHash) temp;
@ -644,8 +647,7 @@ TrNode core_breadth_reduction(TrEngine engine, TrNode node, TrNode breadth_node,
while((temp != NULL) && (TrNode_entry(temp) != PairEndTag)) while((temp != NULL) && (TrNode_entry(temp) != PairEndTag))
temp = TrNode_next(temp); temp = TrNode_next(temp);
} }
if (temp == NULL) // printf("while end\n");
return NULL;
//Nested Trie code //Nested Trie code
if (IS_FUNCTOR_NODE(TrNode_parent(child)) && (strcmp(YAP_AtomName(YAP_NameOfFunctor((YAP_Functor)(~ApplTag & TrNode_entry(TrNode_parent(child))))), NESTED_TRIE_TERM) == 0)) { if (IS_FUNCTOR_NODE(TrNode_parent(child)) && (strcmp(YAP_AtomName(YAP_NameOfFunctor((YAP_Functor)(~ApplTag & TrNode_entry(TrNode_parent(child))))), NESTED_TRIE_TERM) == 0)) {
/* nested trie: stop procedure and return nested trie node */ /* nested trie: stop procedure and return nested trie node */