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Use nullptr.

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This commit is contained in:
Bruce Mitchener 2018-02-12 14:05:55 +07:00
parent f01328c65f
commit 76eb7b9ede
625 changed files with 4639 additions and 4639 deletions
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26
src/ast/normal_forms/nnf.cpp
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@ -82,7 +82,7 @@ class skolemizer {
expr_ref_vector args(m());
for (unsigned i = 0; i < sz; i++) {
sort * s = uv.get(i);
if (s != 0) {
if (s != nullptr) {
sorts.push_back(s);
args.push_back(m().mk_var(i, s));
}
@ -105,10 +105,10 @@ class skolemizer {
//
for (unsigned i = 0; i < sz; i++) {
sort * s = uv.get(i);
if (s != 0)
if (s != nullptr)
substitution.push_back(m().mk_var(i, s));
else
substitution.push_back(0);
substitution.push_back(nullptr);
}
//
// (VAR num_decls) ... (VAR num_decls+sz-1)
@ -137,7 +137,7 @@ class skolemizer {
}
}
s(body, substitution.size(), substitution.c_ptr(), r);
p = 0;
p = nullptr;
if (m().proofs_enabled()) {
if (q->is_forall())
p = m().mk_skolemization(m().mk_not(q), m().mk_not(r));
@ -163,8 +163,8 @@ public:
void operator()(quantifier * q, expr_ref & r, proof_ref & p) {
r = m_cache.find(q);
if (r.get() != 0) {
p = 0;
if (r.get() != nullptr) {
p = nullptr;
if (m().proofs_enabled())
p = static_cast<proof*>(m_cache_pr.find(q));
}
@ -496,7 +496,7 @@ struct nnf::imp {
return false;
}
expr * r = m_result_stack.back();
proof * pr = 0;
proof * pr = nullptr;
if (proofs_enabled()) {
pr = m_result_pr_stack.back();
if (!fr.m_pol) {
@ -673,7 +673,7 @@ struct nnf::imp {
}
expr * arg = m_result_stack.back();
proof * arg_pr = proofs_enabled() ? m_result_pr_stack.back() : 0;
proof * arg_pr = proofs_enabled() ? m_result_pr_stack.back() : nullptr;
if (m_ignore_labels && !proofs_enabled())
return true; // the result is already on the stack
@ -765,7 +765,7 @@ struct nnf::imp {
if (q->is_forall() == fr.m_pol || !m_skolemize) {
expr * new_expr = m_result_stack.back();
proof * new_expr_pr = proofs_enabled() ? m_result_pr_stack.back() : 0;
proof * new_expr_pr = proofs_enabled() ? m_result_pr_stack.back() : nullptr;
ptr_buffer<expr> new_patterns;
@ -783,8 +783,8 @@ struct nnf::imp {
// So, ignore patterns
}
quantifier * new_q = 0;
proof * new_q_pr = 0;
quantifier * new_q = nullptr;
proof * new_q_pr = nullptr;
if (fr.m_pol) {
new_q = m().update_quantifier(q, new_patterns.size(), new_patterns.c_ptr(), new_expr);
if (proofs_enabled())
@ -827,7 +827,7 @@ struct nnf::imp {
if (proofs_enabled()) {
result_pr = m_result_pr_stack.back();
m_result_pr_stack.pop_back();
if (result_pr.get() == 0)
if (result_pr.get() == nullptr)
result_pr = m().mk_reflexivity(t);
SASSERT(m_result_pr_stack.empty());
}
@ -870,7 +870,7 @@ struct nnf::imp {
if (status) {
if (fr.m_cache_result)
cache_result(fr.m_curr, fr.m_pol, fr.m_in_q, m_result_stack.back(), proofs_enabled() ? m_result_pr_stack.back() : 0);
cache_result(fr.m_curr, fr.m_pol, fr.m_in_q, m_result_stack.back(), proofs_enabled() ? m_result_pr_stack.back() : nullptr);
m_frame_stack.pop_back();
}
}