From 4d6af2969ccaf5f235fffdc8f89bc5e91fff5962 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Wed, 4 Apr 2018 18:12:27 +0200 Subject: [PATCH] Add smtio.py support for parsing SMT2 (_ bvX n) syntax for BitVec constants Signed-off-by: Clifford Wolf --- backends/smt2/smtio.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/backends/smt2/smtio.py b/backends/smt2/smtio.py index bf72e8916..1a8d2484c 100644 --- a/backends/smt2/smtio.py +++ b/backends/smt2/smtio.py @@ -737,6 +737,9 @@ class SmtIo: return h def bv2bin(self, v): + if type(v) is list and len(v) == 3 and v[0] == "_" and v[1].startswith("bv"): + x, n = int(v[1][2:]), int(v[2]) + return "".join("1" if (x & (1 << i)) else "0" for i in range(n-1, -1, -1)) if v == "true": return "1" if v == "false": return "0" if v.startswith("#b"): -- 2.30.2