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fix #1496

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-02-22 08:05:28 +09:00
parent d70ee71a43
commit a4c58ec4c2
6 changed files with 13 additions and 19 deletions
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4
src/ast/rewriter/seq_rewriter.cpp
View file

@ -1475,9 +1475,7 @@ br_status seq_rewriter::mk_re_star(expr* a, expr_ref& result) {
return BR_DONE;
}
if (m_util.re.is_full_char(a)) {
sort* seq_sort = nullptr;
VERIFY(m_util.is_re(a, seq_sort));
result = m_util.re.mk_full_seq(seq_sort);
result = m_util.re.mk_full_seq(m().get_sort(a));
return BR_DONE;
}
if (m_util.re.is_empty(a)) {

8
src/ast/seq_decl_plugin.cpp
View file

@ -671,9 +671,7 @@ func_decl * seq_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, rng, func_decl_info(m_family_id, k));
case _OP_REGEXP_FULL_CHAR:
if (!range) {
range = m_re;
}
if (!range) range = m_re;
match(*m_sigs[k], arity, domain, range, rng);
return m.mk_func_decl(symbol("re.allchar"), arity, domain, rng, func_decl_info(m_family_id, OP_RE_FULL_CHAR_SET));
@ -690,9 +688,7 @@ func_decl * seq_decl_plugin::mk_func_decl(decl_kind k, unsigned num_parameters,
return m.mk_func_decl(m_sigs[k]->m_name, arity, domain, range, func_decl_info(m_family_id, k));
case _OP_REGEXP_EMPTY:
if (!range) {
range = m_re;
}
if (!range) range = m_re;
match(*m_sigs[k], arity, domain, range, rng);
return m.mk_func_decl(symbol("re.nostr"), arity, domain, rng, func_decl_info(m_family_id, OP_RE_EMPTY_SET));