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add handling for int.to.str

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-04-18 11:14:40 -07:00
parent 5d0db6d256
commit 4761f4f191
3 changed files with 79 additions and 0 deletions
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2
src/ast/seq_decl_plugin.h
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@ -240,6 +240,8 @@ public:
app* mk_index(expr* a, expr* b, expr* i) { expr* es[3] = { a, b, i}; return m.mk_app(m_fid, OP_SEQ_INDEX, 3, es); }
app* mk_unit(expr* u) { return m.mk_app(m_fid, OP_SEQ_UNIT, 1, &u); }
app* mk_char(zstring const& s, unsigned idx);
app* mk_itos(expr* i) { return m.mk_app(m_fid, OP_STRING_ITOS, 1, &i); }
app* mk_stoi(expr* s) { return m.mk_app(m_fid, OP_STRING_STOI, 1, &s); }
bool is_string(expr const * n) const { return is_app_of(n, m_fid, OP_STRING_CONST); }