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tune seq rewriting

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-06-09 13:30:39 -07:00
parent 08cc5bc2e5
commit 4fdfc65b37
3 changed files with 93 additions and 40 deletions
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6
src/ast/rewriter/seq_rewriter.h
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@ -23,6 +23,7 @@ Notes:
#include "ast/ast_pp.h"
#include "ast/arith_decl_plugin.h"
#include "ast/rewriter/rewriter_types.h"
#include "ast/rewriter/bool_rewriter.h"
#include "util/params.h"
#include "util/lbool.h"
#include "util/sign.h"
@ -151,6 +152,7 @@ class seq_rewriter {
seq_util m_util;
arith_util m_autil;
bool_rewriter m_br;
re2automaton m_re2aut;
op_cache m_op_cache;
expr_ref_vector m_es, m_lhs, m_rhs;
@ -224,6 +226,8 @@ class seq_rewriter {
br_status mk_re_concat(expr* a, expr* b, expr_ref& result);
br_status mk_re_union(expr* a, expr* b, expr_ref& result);
br_status mk_re_inter(expr* a, expr* b, expr_ref& result);
br_status mk_re_union0(expr* a, expr* b, expr_ref& result);
br_status mk_re_inter0(expr* a, expr* b, expr_ref& result);
br_status mk_re_complement(expr* a, expr_ref& result);
br_status mk_re_star(expr* a, expr_ref& result);
br_status mk_re_diff(expr* a, expr* b, expr_ref& result);
@ -286,7 +290,7 @@ 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_op_cache(m), m_es(m),
m_util(m), m_autil(m), m_br(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(); }