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add note that current re.complement is non-standard

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2016-02-12 17:12:43 +00:00
parent 94453033b6
commit e2dc7c6f64
1 changed files with 1 additions and 0 deletions
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src/ast/rewriter/seq_rewriter.cpp
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@ -125,6 +125,7 @@ eautomaton* re2automaton::re2aut(expr* e) {
}
}
else if (u.re.is_complement(e, e0)) {
// TBD non-standard semantics of complementation.
if (u.re.is_range(e0, e1, e2) && u.str.is_string(e1, s1) && u.str.is_string(e2, s2) &&
s1.length() == 1 && s2.length() == 1) {
unsigned start = s1[0];