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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/rewriter/expr_replacer.cpp
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@ -34,7 +34,7 @@ void expr_replacer::operator()(expr * t, expr_ref & result) {
struct expr_replacer::scoped_set_subst {
expr_replacer & m_r;
scoped_set_subst(expr_replacer & r, expr_substitution & s):m_r(r) { m_r.set_substitution(&s); }
~scoped_set_subst() { m_r.set_substitution(0); }
~scoped_set_subst() { m_r.set_substitution(nullptr); }
};
void expr_replacer::apply_substitution(expr * s, expr * def, proof * def_pr, expr_ref & t) {
@ -58,14 +58,14 @@ struct default_expr_replacer_cfg : public default_rewriter_cfg {
default_expr_replacer_cfg(ast_manager & _m):
m(_m),
m_subst(0),
m_subst(nullptr),
m_used_dependencies(_m) {
}
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;
@ -98,12 +98,12 @@ public:
}
void operator()(expr * t, expr_ref & result, proof_ref & result_pr, expr_dependency_ref & result_dep) override {
result_dep = 0;
result_dep = nullptr;
m_replacer.operator()(t, result, result_pr);
if (m_cfg.m_used_dependencies != 0) {
result_dep = m_cfg.m_used_dependencies;
m_replacer.reset(); // reset cache
m_cfg.m_used_dependencies = 0;
m_cfg.m_used_dependencies = nullptr;
}
}