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add some notes to regex

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-26 13:22:57 -07:00
parent 9336e823ed
commit 5e79eb62fd
6 changed files with 78 additions and 55 deletions
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4
src/smt/seq_regex.h
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@ -49,6 +49,8 @@ namespace smt {
seq_skolem& sk();
arith_util& a();
bool is_string_equality(literal lit);
void rewrite(expr_ref& e);
bool coallesce_in_re(literal lit);
@ -75,6 +77,8 @@ namespace smt {
void propagate_in_re(literal lit);
// (accept s i r) means
// the suffix of s after the first i characters is a member of r
void propagate_accept(literal lit);
void propagate_eq(expr* r1, expr* r2);