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seq

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-08 10:33:09 -08:00
parent 1d1894b794
commit 895d032996
7 changed files with 242 additions and 38 deletions
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6
src/ast/rewriter/seq_rewriter.h
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@ -32,7 +32,7 @@ Notes:
class seq_rewriter {
seq_util m_util;
arith_util m_autil;
ptr_vector<expr> m_es;
ptr_vector<expr> m_es, m_lhs, m_rhs;
br_status mk_seq_concat(expr* a, expr* b, expr_ref& result);
br_status mk_str_length(expr* a, expr_ref& result);
@ -53,6 +53,7 @@ class seq_rewriter {
br_status mk_re_plus(expr* a, expr_ref& result);
br_status mk_re_opt(expr* a, expr_ref& result);
bool set_empty(unsigned sz, expr* const* es, expr_ref_vector& lhs, expr_ref_vector& rhs);
public:
seq_rewriter(ast_manager & m, params_ref const & p = params_ref()):
m_util(m), m_autil(m) {
@ -64,6 +65,9 @@ public:
static void get_param_descrs(param_descrs & r) {}
br_status mk_app_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result);
br_status mk_eq_core(expr * lhs, expr * rhs, expr_ref & result);
bool reduce_eq(expr* l, expr* r, expr_ref_vector& lhs, expr_ref_vector& rhs);
};