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very very basic Contains support in theory_str

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not included: the 1200 lines of code that make it very fast
This commit is contained in:
Murphy Berzish 2016-06-14 18:43:51 -04:00
parent a3986d6d0e
commit 7aeeb599ef
2 changed files with 33 additions and 0 deletions
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4
src/smt/theory_str.h
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@ -110,6 +110,7 @@ namespace smt {
ptr_vector<enode> m_axiom_CharAt_todo;
ptr_vector<enode> m_axiom_StartsWith_todo;
ptr_vector<enode> m_axiom_EndsWith_todo;
ptr_vector<enode> m_axiom_Contains_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
@ -183,6 +184,8 @@ namespace smt {
bool is_StartsWith(enode const * n) const { return is_StartsWith(n->get_owner()); }
bool is_EndsWith(app const * a) const { return a->is_app_of(get_id(), OP_STR_ENDSWITH); }
bool is_EndsWith(enode const * n) const { return is_EndsWith(n->get_owner()); }
bool is_Contains(app const * a) const { return a->is_app_of(get_id(), OP_STR_CONTAINS); }
bool is_Contains(enode const * n) const { return is_Contains(n->get_owner()); }
void instantiate_concat_axiom(enode * cat);
void instantiate_basic_string_axioms(enode * str);
@ -191,6 +194,7 @@ namespace smt {
void instantiate_axiom_CharAt(enode * e);
void instantiate_axiom_StartsWith(enode * e);
void instantiate_axiom_EndsWith(enode * e);
void instantiate_axiom_Contains(enode * e);
void set_up_axioms(expr * ex);
void handle_equality(expr * lhs, expr * rhs);