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#5482

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tricky one
This commit is contained in:
Nikolaj Bjorner 2021-08-23 10:01:53 -07:00
parent 9c7d9f06ed
commit 2a682e4b13
3 changed files with 26 additions and 27 deletions
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7
src/ast/euf/euf_egraph.h
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@ -104,7 +104,8 @@ namespace euf {
struct value_assignment {};
struct lbl_hash {};
struct lbl_set {};
enum class tag_t { is_set_parent, is_add_node, is_toggle_merge,
struct update_children {};
enum class tag_t { is_set_parent, is_add_node, is_toggle_merge, is_update_children,
is_add_th_var, is_replace_th_var, is_new_lit, is_new_th_eq,
is_lbl_hash, is_new_th_eq_qhead, is_new_lits_qhead,
is_inconsistent, is_value_assignment, is_lbl_set };
@ -148,6 +149,8 @@ namespace euf {
tag(tag_t::is_lbl_hash), r1(n), n1(nullptr), m_lbl_hash(n->m_lbl_hash) {}
update_record(enode* n, lbl_set):
tag(tag_t::is_lbl_set), r1(n), n1(nullptr), m_lbls(n->m_lbls.get()) {}
update_record(enode* n, update_children) :
tag(tag_t::is_update_children), r1(n), n1(nullptr), r2_num_parents(UINT_MAX) {}
};
ast_manager& m;
svector<to_merge> m_to_merge;
@ -211,7 +214,7 @@ namespace euf {
void push_to_lca(enode* a, enode* lca);
void push_congruence(enode* n1, enode* n2, bool commutative);
void push_todo(enode* n);
void toggle_merge_enabled(enode* n);
void toggle_merge_enabled(enode* n, bool backtracking);
enode_bool_pair insert_table(enode* p);
void erase_from_table(enode* p);