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connecting op-cache

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-02 13:13:32 -07:00
parent 320cd81140
commit e388055a33
1 changed files with 17 additions and 14 deletions
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31
src/ast/rewriter/seq_rewriter.h
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@ -114,19 +114,6 @@ public:
\brief Cheap rewrite rules for seq constraints
*/
class seq_rewriter {
seq_util m_util;
arith_util m_autil;
re2automaton m_re2aut;
expr_ref_vector m_es, m_lhs, m_rhs;
bool m_coalesce_chars;
enum length_comparison {
shorter_c,
longer_c,
same_length_c,
unknown_c
};
class op_cache {
struct op_entry {
@ -162,6 +149,22 @@ class seq_rewriter {
void insert(decl_kind op, expr* a, expr* b, expr* r);
};
seq_util m_util;
arith_util m_autil;
re2automaton m_re2aut;
op_cache m_op_cache;
expr_ref_vector m_es, m_lhs, m_rhs;
bool m_coalesce_chars;
enum length_comparison {
shorter_c,
longer_c,
same_length_c,
unknown_c
};
length_comparison compare_lengths(expr_ref_vector const& as, expr_ref_vector const& bs) {
return compare_lengths(as.size(), as.c_ptr(), bs.size(), bs.c_ptr());
}
@ -266,7 +269,7 @@ class seq_rewriter {
public:
seq_rewriter(ast_manager & m, params_ref const & p = params_ref()):
m_util(m), m_autil(m), m_re2aut(m), m_es(m), m_lhs(m), m_rhs(m), m_coalesce_chars(true) {
m_util(m), m_autil(m), m_re2aut(m), m_op_cache(m), m_es(m), m_lhs(m), m_rhs(m), m_coalesce_chars(true) {
}
ast_manager & m() const { return m_util.get_manager(); }
family_id get_fid() const { return m_util.get_family_id(); }