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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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28
src/ast/rewriter/th_rewriter.cpp
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@ -440,8 +440,8 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
}
if (num1 != num2 && num1 != num2 + 1 && num1 != num2 - 1)
return false;
new_t1 = 0;
new_t2 = 0;
new_t1 = nullptr;
new_t2 = nullptr;
expr_fast_mark1 visited1;
expr_fast_mark2 visited2;
for (unsigned i = 0; i < num1; i++) {
@ -533,7 +533,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
expr * c = args[0];
expr * t = args[1];
expr * e = args[2];
func_decl * f_prime = 0;
func_decl * f_prime = nullptr;
expr_ref new_t(m()), new_e(m()), common(m());
bool first;
TRACE("push_ite", tout << "unifying:\n" << mk_ismt2_pp(t, m()) << "\n" << mk_ismt2_pp(e, m()) << "\n";);
@ -559,7 +559,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
}
br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
result_pr = 0;
result_pr = nullptr;
br_status st = reduce_app_core(f, num, args, result);
if (st != BR_DONE && st != BR_FAILED) {
CTRACE("th_rewriter_step", st != BR_FAILED,
@ -604,7 +604,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
expr_ref & result,
proof_ref & result_pr) {
quantifier_ref q1(m());
proof * p1 = 0;
proof * p1 = nullptr;
if (is_quantifier(new_body) &&
to_quantifier(new_body)->is_forall() == old_q->is_forall() &&
!old_q->has_patterns() &&
@ -627,7 +627,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
std::min(old_q->get_weight(), nested_q->get_weight()),
old_q->get_qid(),
old_q->get_skid(),
0, 0, 0, 0);
0, nullptr, 0, nullptr);
SASSERT(is_well_sorted(m(), q1));
@ -657,9 +657,9 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
TRACE("reduce_quantifier", tout << "after elim_unused_vars:\n" << mk_ismt2_pp(result, m()) << "\n";);
result_pr = 0;
result_pr = nullptr;
if (m().proofs_enabled()) {
proof * p2 = 0;
proof * p2 = nullptr;
if (q1.get() != result.get())
p2 = m().mk_elim_unused_vars(q1, result);
result_pr = m().mk_transitivity(p1, p2);
@ -680,7 +680,7 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
m_a_util(m),
m_bv_util(m),
m_used_dependencies(m),
m_subst(0) {
m_subst(nullptr) {
updt_local_params(p);
}
@ -690,13 +690,13 @@ struct th_rewriter_cfg : public default_rewriter_cfg {
}
void reset() {
m_subst = 0;
m_subst = nullptr;
}
bool get_subst(expr * s, expr * & t, proof * & pr) {
if (m_subst == 0)
if (m_subst == nullptr)
return false;
expr_dependency * d = 0;
expr_dependency * d = nullptr;
if (m_subst->find(s, t, pr, d)) {
m_used_dependencies = m().mk_join(m_used_dependencies, d);
return true;
@ -798,9 +798,9 @@ expr_dependency * th_rewriter::get_used_dependencies() {
}
void th_rewriter::reset_used_dependencies() {
if (get_used_dependencies() != 0) {
if (get_used_dependencies() != nullptr) {
set_substitution(m_imp->cfg().m_subst); // reset cache preserving subst
m_imp->cfg().m_used_dependencies = 0;
m_imp->cfg().m_used_dependencies = nullptr;
}
}