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more replace rewrites #4084

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-24 00:25:36 -07:00
parent 7597396dd0
commit 03ba268219
2 changed files with 56 additions and 0 deletions
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1
src/ast/seq_decl_plugin.h
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@ -281,6 +281,7 @@ public:
app* mk_suffix(expr* a, expr* b) const { expr* es[2] = { a, b }; return m.mk_app(m_fid, OP_SEQ_SUFFIX, 2, es); }
app* mk_index(expr* a, expr* b, expr* i) const { expr* es[3] = { a, b, i}; return m.mk_app(m_fid, OP_SEQ_INDEX, 3, es); }
app* mk_last_index(expr* a, expr* b) const { expr* es[2] = { a, b}; return m.mk_app(m_fid, OP_SEQ_LAST_INDEX, 2, es); }
app* mk_replace(expr* a, expr* b, expr* c) const { expr* es[3] = { a, b, c}; return m.mk_app(m_fid, OP_SEQ_REPLACE, 3, es); }
app* mk_unit(expr* u) const { return m.mk_app(m_fid, OP_SEQ_UNIT, 1, &u); }
app* mk_char(zstring const& s, unsigned idx) const;
app* mk_itos(expr* i) const { return m.mk_app(m_fid, OP_STRING_ITOS, 1, &i); }