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theory_str frontend changes

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This commit is contained in:
Murphy Berzish 2017-04-26 17:24:05 -04:00
parent a048d74bae
commit 46ac718790
5 changed files with 76 additions and 6 deletions
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2
src/ast/rewriter/seq_rewriter.h
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@ -98,6 +98,7 @@ class seq_rewriter {
re2automaton m_re2aut;
expr_ref_vector m_es, m_lhs, m_rhs;
br_status mk_seq_unit(expr* e, expr_ref& result);
br_status mk_seq_concat(expr* a, expr* b, expr_ref& result);
br_status mk_seq_length(expr* a, expr_ref& result);
br_status mk_seq_extract(expr* a, expr* b, expr* c, expr_ref& result);
@ -119,6 +120,7 @@ class seq_rewriter {
br_status mk_re_plus(expr* a, expr_ref& result);
br_status mk_re_opt(expr* a, expr_ref& result);
br_status mk_re_loop(unsigned num_args, expr* const* args, expr_ref& result);
br_status mk_re_range(expr* lo, expr* hi, expr_ref& result);
bool set_empty(unsigned sz, expr* const* es, bool all, expr_ref_vector& lhs, expr_ref_vector& rhs);
bool is_subsequence(unsigned n, expr* const* l, unsigned m, expr* const* r,