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add match expression construct to SMT-LIB2.6 frontend

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-09-19 19:39:02 -07:00
parent 43e47271f7
commit caa02c3c02
6 changed files with 203 additions and 36 deletions
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10
src/smt/smt_context.cpp
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@ -4374,9 +4374,17 @@ namespace smt {
expr* fn = to_app(q->get_pattern(0))->get_arg(0);
expr* body = to_app(q->get_pattern(1))->get_arg(0);
SASSERT(is_app(fn));
// reverse argument order so that variable 0 starts at the beginning.
expr_ref_vector subst(m);
for (expr* arg : *to_app(fn)) {
subst.push_back(arg);
}
expr_ref bodyr(m);
var_subst sub(m, false);
sub(body, subst.size(), subst.c_ptr(), bodyr);
func_decl* f = to_app(fn)->get_decl();
func_interp* fi = alloc(func_interp, m, f->get_arity());
fi->set_else(body);
fi->set_else(bodyr);
m_model->register_decl(f, fi);
}
}