mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-04 05:11:21 +00:00
Code Activity

overhaul of regular expression membership solving. Use iterative deepening and propagation, coallesce intersections

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-11-24 15:26:39 -08:00
parent d61d9d4ce3
commit 6ddbc9cd38
5 changed files with 200 additions and 252 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/ast/seq_decl_plugin.h
View file

@ -146,6 +146,7 @@ class seq_decl_plugin : public decl_plugin {
sort* m_string;
sort* m_char;
sort* m_re;
bool m_has_re;
void match(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& rng);
@ -197,6 +198,8 @@ public:
app* mk_string(symbol const& s);
app* mk_string(zstring const& s);
bool has_re() const { return m_has_re; }
};
class seq_util {
@ -221,6 +224,8 @@ public:
app* mk_skolem(symbol const& name, unsigned n, expr* const* args, sort* range);
bool is_skolem(expr const* e) const { return is_app_of(e, m_fid, _OP_SEQ_SKOLEM); }
bool has_re() const { return seq.has_re(); }
class str {
seq_util& u;
ast_manager& m;