mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-29 01:18:45 +00:00
Code Activity

fix #3961 fix #3940

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-14 17:33:44 -07:00
parent 7ed9996fc0
commit 835b57b775
9 changed files with 100 additions and 97 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/ast/seq_decl_plugin.h
View file

@ -295,7 +295,9 @@ public:
bool is_string(expr const* n, symbol& s) const {
return is_string(n) && (s = to_app(n)->get_decl()->get_parameter(0).get_symbol(), true);
}
bool is_string(func_decl const* f) const { return is_decl_of(f, m_fid, OP_STRING_CONST); }
bool is_string(expr const* n, zstring& s) const;
bool is_string(func_decl const* f, zstring& s) const;
bool is_empty(expr const* n) const { symbol s;
return is_app_of(n, m_fid, OP_SEQ_EMPTY) || (is_string(n, s) && !s.is_numerical() && *s.bare_str() == 0);
}