mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-06-29 17:38:45 +00:00
Code Activity

integrate lambda expressions

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-06-26 07:23:04 -07:00
parent bf4edef761
commit 520ce9a5ee
139 changed files with 2243 additions and 1506 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/smt/smt_internalizer.cpp
View file

@ -329,6 +329,9 @@ namespace smt {
SASSERT(is_quantifier(n) || is_app(n));
internalize_formula(n, gate_ctx);
}
else if (is_lambda(n)) {
internalize_lambda(to_quantifier(n));
}
else {
SASSERT(is_app(n));
SASSERT(!gate_ctx);
@ -514,7 +517,7 @@ namespace smt {
CTRACE("internalize_quantifier_zero", q->get_weight() == 0, tout << mk_pp(q, m_manager) << "\n";);
SASSERT(gate_ctx); // limitation of the current implementation
SASSERT(!b_internalized(q));
SASSERT(q->is_forall());
SASSERT(is_forall(q));
SASSERT(check_patterns(q));
bool_var v = mk_bool_var(q);
unsigned generation = m_generation;
@ -528,6 +531,31 @@ namespace smt {
m_qmanager->add(q, generation);
}
void context::internalize_lambda(quantifier * q) {
UNREACHABLE();
#if 0
TRACE("internalize_quantifier", tout << mk_pp(q, m_manager) << "\n";);
SASSERT(is_lambda(q));
app_ref lam_name(m_manager.mk_fresh_const("lambda", m_manager.get_sort(q)), m_manager);
enode * e = mk_enode(lam_name, true, false, false);
expr_ref eq(m_manager), lam_app(m_manager);
expr_ref_vector vars(m_manager);
vars.push_back(lam_name);
unsigned sz = q->get_num_decls();
for (unsigned i = 0; i < sz; ++i) {
vars.push_back(m_manager.mk_var(sz - i - 1, q->get_decl_sort(i)));
}
array_util autil(m_manager);
lam_app = autil.mk_select(vars.size(), vars.c_ptr());
eq = m_manager.mk_eq(lam_app, q->get_expr());
quantifier_ref fa(m_manager);
expr * patterns[1] = { m_manager.mk_pattern(lam_name) };
fa = m_manager.mk_forall(sz, q->get_decl_sorts(), q->get_decl_names(), eq, 0, m_manager.lambda_def_qid(), symbol::null, 1, patterns);
internalize_quantifier(fa, true);
#endif
}
/**
\brief Internalize gates and (uninterpreted and equality) predicates.
*/