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fix #3961 fix #3940

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-14 17:33:44 -07:00
parent 7ed9996fc0
commit 835b57b775
9 changed files with 100 additions and 97 deletions
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9
src/ast/rewriter/seq_rewriter.h
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@ -108,6 +108,7 @@ class seq_rewriter {
arith_util m_autil;
re2automaton m_re2aut;
expr_ref_vector m_es, m_lhs, m_rhs;
bool m_coalesce_chars;
br_status mk_seq_unit(expr* e, expr_ref& result);
br_status mk_seq_concat(expr* a, expr* b, expr_ref& result);
@ -122,6 +123,7 @@ class seq_rewriter {
br_status mk_seq_replace(expr* a, expr* b, expr* c, expr_ref& result);
br_status mk_seq_prefix(expr* a, expr* b, expr_ref& result);
br_status mk_seq_suffix(expr* a, expr* b, expr_ref& result);
br_status mk_str_units(func_decl* f, expr_ref& result);
br_status mk_str_itos(expr* a, expr_ref& result);
br_status mk_str_stoi(expr* a, expr_ref& result);
br_status mk_str_in_regexp(expr* a, expr* b, expr_ref& result);
@ -164,15 +166,16 @@ class seq_rewriter {
bool get_lengths(expr* e, expr_ref_vector& lens, rational& pos);
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_util(m), m_autil(m), m_re2aut(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(); }
void updt_params(params_ref const & p) {}
static void get_param_descrs(param_descrs & r) {}
void updt_params(params_ref const & p);
static void get_param_descrs(param_descrs & r);
void set_solver(expr_solver* solver) { m_re2aut.set_solver(solver); }
bool has_solver() { return m_re2aut.has_solver(); }