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theory_str Replace method

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This commit is contained in:
Murphy Berzish 2016-06-15 21:14:54 -04:00
parent fb20951064
commit 5b3c868c90
6 changed files with 118 additions and 11 deletions
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4
src/smt/theory_str.h
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@ -116,6 +116,7 @@ namespace smt {
ptr_vector<enode> m_axiom_Indexof2_todo;
ptr_vector<enode> m_axiom_LastIndexof_todo;
ptr_vector<enode> m_axiom_Substr_todo;
ptr_vector<enode> m_axiom_Replace_todo;
// hashtable of all exprs for which we've already set up term-specific axioms --
// this prevents infinite recursive descent with respect to axioms that
@ -202,6 +203,8 @@ namespace smt {
bool is_LastIndexof(enode const * n) const { return is_LastIndexof(n->get_owner()); }
bool is_Substr(app const * a) const { return a->is_app_of(get_id(), OP_STR_SUBSTR); }
bool is_Substr(enode const * n) const { return is_Substr(n->get_owner()); }
bool is_Replace(app const * a) const { return a->is_app_of(get_id(), OP_STR_REPLACE); }
bool is_Replace(enode const * n) const { return is_Replace(n->get_owner()); }
void instantiate_concat_axiom(enode * cat);
void instantiate_basic_string_axioms(enode * str);
@ -215,6 +218,7 @@ namespace smt {
void instantiate_axiom_Indexof2(enode * e);
void instantiate_axiom_LastIndexof(enode * e);
void instantiate_axiom_Substr(enode * e);
void instantiate_axiom_Replace(enode * e);
void set_up_axioms(expr * ex);
void handle_equality(expr * lhs, expr * rhs);