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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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2
src/ast/ast_smt2_pp.cpp
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@ -584,6 +584,8 @@ class smt2_printer {
string_buffer<> buf;
buf.append("(:var ");
buf.append(v->get_idx());
buf.append(" ");
buf.append(v->get_sort()->get_name().str().c_str());
buf.append(")");
f = mk_string(m(), buf.c_str());
}

4
src/ast/rewriter/rewriter_def.h
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@ -42,6 +42,10 @@ void rewriter_tpl<Config>::process_var(var * v) {
unsigned index = m_bindings.size() - idx - 1;
var * r = (var*)(m_bindings[index]);
if (r != 0) {
CTRACE("rewriter", v->get_sort() != m().get_sort(r),
tout << expr_ref(v, m()) << ":" << sort_ref(v->get_sort(), m()) << " != " << expr_ref(r, m()) << ":" << sort_ref(m().get_sort(r), m());
tout << "index " << index << " bindings " << m_bindings.size() << "\n";
display_bindings(tout););
SASSERT(v->get_sort() == m().get_sort(r));
if (!is_ground(r) && m_shifts[index] != m_bindings.size()) {