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string/sequence static features test

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This commit is contained in:
Murphy Berzish 2017-04-24 21:02:22 -04:00
parent 3fe49137d0
commit 54e28a4fe7
3 changed files with 26 additions and 4 deletions
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11
src/ast/seq_decl_plugin.h
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@ -278,6 +278,17 @@ public:
return is_sort_of(s, m_fid, _STRING_SORT);
}
bool is_non_string_sequence(expr const * n) const {
if (is_string_term(n))
return false;
sort * s = get_sort(n);
if (u.is_seq(s) && !u.is_string(s)) {
return true;
}
return false;
}
MATCH_BINARY(is_concat);
MATCH_UNARY(is_length);
MATCH_TERNARY(is_extract);

3
src/ast/static_features.cpp
View file

@ -284,8 +284,9 @@ void static_features::update_core(expr * e) {
m_has_arrays = true;
if (!m_has_str && m_sequtil.str.is_string_term(e))
m_has_str = true;
if (!m_has_seq_non_str && m_sequtil.is_seq(e))
if (!m_has_seq_non_str && m_sequtil.str.is_non_string_sequence(e)) {
m_has_seq_non_str = true;
}
if (is_app(e)) {
family_id fid = to_app(e)->get_family_id();
mark_theory(fid);