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add symbolic automaton

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-23 19:46:10 -08:00
parent 386399472d
commit f414869456
8 changed files with 428 additions and 32 deletions
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5
src/ast/seq_decl_plugin.cpp
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@ -629,6 +629,11 @@ app* seq_util::str::mk_char(zstring const& s, unsigned idx) {
return bvu.mk_numeral(s[idx], s.num_bits());
}
app* seq_util::str::mk_char(char ch) {
zstring s(ch, zstring::ascii);
return mk_char(s, 0);
}
bool seq_util::str::is_char(expr* n, zstring& c) const {
if (u.is_char(n)) {
c = zstring(to_app(n)->get_decl()->get_parameter(0).get_symbol().bare_str());