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91 lines
1.9 KiB
91 lines
1.9 KiB
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <functional>
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#include <map>
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#include <memory>
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#include <set>
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#include <unordered_map>
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/* Compilation tests */
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namespace weak_ptr_lock_repro_small {
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template <class T>
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std::shared_ptr<T> joinT(std::shared_ptr<T> x) {
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return x;
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};
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// cannot star
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void ERROR_foo(std::weak_ptr<int> p) {
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auto self = p.lock();
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std::shared_ptr<int> x = joinT(self);
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}
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} // namespace weak_ptr_lock_repro_small
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namespace weak_ptr_lock_repro_large {
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class S {
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public:
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template <typename T>
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std::shared_ptr<T> joinT(std::shared_ptr<T> s);
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};
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class DCC {
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public:
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const std::shared_ptr<S>& s();
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};
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class DC {};
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class CDM {
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public:
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std::shared_ptr<DC> gdc(std::function<DCC()>);
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};
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class RDC : DC {
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public:
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static std::shared_ptr<RDC> create(std::function<DCC()> cf);
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private:
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const std::shared_ptr<CDM> cdm;
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mutable std::function<std::shared_ptr<DC>()> dcf;
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};
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std::shared_ptr<RDC> RDC::create(std::function<DCC()> cf) {
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auto dc = std::make_shared<RDC>();
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dc->dcf = [cf = std::move(cf),
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weakSelf =
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std::weak_ptr<RDC>(dc)]() mutable -> std::shared_ptr<DC> {
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if (auto self = weakSelf.lock()) {
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return self->cdm->gdc([&]() mutable {
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auto c = cf();
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c.s()->joinT(self);
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return c;
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});
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}
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return nullptr;
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};
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return dc;
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}
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} // namespace weak_ptr_lock_repro_large
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namespace weak_ptr_owner_less {
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class K {};
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class V {};
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class C {
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using S = std::set<std::weak_ptr<K>, std::owner_less<std::weak_ptr<K>>>;
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std::
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map<std::weak_ptr<K>, std::weak_ptr<V>, std::owner_less<std::weak_ptr<K>>>
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m;
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S s;
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#ifdef INFER_USE_LIBCPP
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/* requires Clang headers */
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std::unordered_map<K, S> u;
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#endif
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};
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} // namespace weak_ptr_owner_less
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