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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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12
src/ast/substitution/substitution.cpp
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@ -79,13 +79,13 @@ void substitution::apply(unsigned num_actual_offsets, unsigned const * deltas, e
// It is incorrect to cache results between different calls if we are applying a substitution
// modulo a substitution s -> t.
if (m_state == INSERT || s != expr_offset(0,0))
if (m_state == INSERT || s != expr_offset(nullptr,0))
reset_cache();
m_state = APPLY;
unsigned j;
expr * e = 0;
expr * e = nullptr;
unsigned off;
expr_offset n1;
bool visited;
@ -146,7 +146,7 @@ void substitution::apply(unsigned num_actual_offsets, unsigned const * deltas, e
bool has_new_args = false;
for (unsigned i = 0; i < num_args; i++) {
expr * arg = to_app(e)->get_arg(i);
expr * new_arg = 0;
expr * new_arg = nullptr;
VERIFY(m_apply_cache.find(expr_offset(arg, off), new_arg));
new_args.push_back(new_arg);
@ -185,10 +185,10 @@ void substitution::apply(unsigned num_actual_offsets, unsigned const * deltas, e
}
expr_offset body(q->get_expr(), off);
expr_ref s1_ref(m_manager), t1_ref(m_manager);
if (s.get_expr() != 0) {
if (s.get_expr() != nullptr) {
var_sh(s.get_expr(), num_vars, s1_ref);
}
if (t.get_expr() != 0) {
if (t.get_expr() != nullptr) {
var_sh(t.get_expr(), num_vars, t1_ref);
}
expr_offset s1(s1_ref, s.get_offset());
@ -218,7 +218,7 @@ void substitution::apply(unsigned num_actual_offsets, unsigned const * deltas, e
m_new_exprs.push_back(e);
result = e;
if (s != expr_offset(0,0))
if (s != expr_offset(nullptr,0))
reset_cache();
TRACE("subst_bug", tout << "END substitution::apply\nresult:\n" << mk_pp(e, m_manager) << "\nref_count: " << e->get_ref_count() << "\n";);