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| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2020-07-06 18:48:10 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-06 18:48:10 -0500 |
| commit | 9678f58a7fedab4fc061761c58382f4023686108 (patch) | |
| tree | 5ccc2e13b00a32a2e8fa87604b4a2f3a92b12e7e /NEWS | |
| parent | ae0bfbdacfec8b2d21b10cbc4955305f49a62a54 (diff) | |
Front end support for sequences (#4690)
With this PR, we now support a preliminary draft of a theory of sequences.
This PR adds front end support for sequences in the smt2 parser, in the new API, adds regressions and unit tests for them.
As discussed offline, many of the string kinds are given a sequence version in the external API, but not in the internal one. This means that a special case for such kinds, getKindHelper was added to Term.
We do not yet support proper smt2 printing of sequences, which will require access to this code for Kind conversions (to distinguish e.g. str.++ from seq.++).
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -4,6 +4,8 @@ Changes since 1.8 ================= New Features: +* A new parametric theory of sequences whose syntax is compatible with the + syntax for sequences used by Z3. * Arrays: Added support for an `eqrange` predicate. `(eqrange a b i j)` is true if arrays `a` and `b` are equal on all indices within indices `i` and `j`. |