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theory_str Substr support WIP

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This commit is contained in:
Murphy Berzish 2016-06-15 20:26:07 -04:00
parent be5bf7fb80
commit fb20951064
4 changed files with 58 additions and 0 deletions
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src/smt/theory_str.h
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@ -115,6 +115,7 @@ namespace smt {
ptr_vector<enode> m_axiom_Indexof_todo;
ptr_vector<enode> m_axiom_Indexof2_todo;
ptr_vector<enode> m_axiom_LastIndexof_todo;
ptr_vector<enode> m_axiom_Substr_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
@ -199,6 +200,8 @@ namespace smt {
bool is_Indexof2(enode const * n) const { return is_Indexof2(n->get_owner()); }
bool is_LastIndexof(app const * a) const { return a->is_app_of(get_id(), OP_STR_LASTINDEXOF); }
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()); }
void instantiate_concat_axiom(enode * cat);
void instantiate_basic_string_axioms(enode * str);
@ -211,6 +214,7 @@ namespace smt {
void instantiate_axiom_Indexof(enode * e);
void instantiate_axiom_Indexof2(enode * e);
void instantiate_axiom_LastIndexof(enode * e);
void instantiate_axiom_Substr(enode * e);
void set_up_axioms(expr * ex);
void handle_equality(expr * lhs, expr * rhs);