9e9626b3d5
When inspecting/printing types from MSVC's STL, LLDB would crash because it assumes these types were from libstdc++. Specifically, `std::shared_ptr` and `std::optional` would crash because of a null pointer dereference. I added a minimal test that tests the types with C++ helpers for libstdc++ (only tests for crashes). - Fixes #115216 - Fixes #120310 This still has one unresolved discussion: What about MS STL types? This is https://github.com/llvm/llvm-project/issues/24834, but there was a bit of discussion in #120310 as well. The main issue is that MSVC's STL uses the same type names as libstdc++ (i.e. neither uses an inline namespace like libc++ for some types).
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// This smoke test ensures that LLDB doesn't crash when formatting types from MSVC's STL.
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// FIXME: LLDB currently has no built-in formatters for MSVC's STL (#24834)
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// REQUIRES: target-windows
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// RUN: %build --compiler=clang-cl -o %t.exe --std c++20 -- %s
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// RUN: env LLDB_USE_NATIVE_PDB_READER=1 %lldb -f %t.exe -o "b main" -o "run" -o "fr v" -o c | FileCheck %s
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#include <bitset>
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#include <coroutine>
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#include <deque>
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#include <forward_list>
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#include <list>
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#include <map>
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#include <memory>
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#include <optional>
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#include <set>
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#include <string>
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#include <tuple>
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#include <unordered_map>
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#include <unordered_set>
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#include <variant>
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#include <vector>
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int main() {
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std::shared_ptr<int> foo;
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std::weak_ptr<int> weak = foo;
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std::unique_ptr<int> unique(new int(42));
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std::optional<int> opt;
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std::string str = "str";
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std::string longStr = "string that is long enough such that no SSO can happen";
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std::wstring wStr = L"wstr";
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std::wstring longWStr = L"string that is long enough such that no SSO can happen";
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std::tuple<int, bool, float> tuple{1, false, 4.2};
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std::coroutine_handle<> coroHandle;
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std::bitset<16> bitset(123);
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std::map<int, int> map{{1, 2}, {2, 4}, {3, 6}, {4, 8}, {5, 10}};
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auto mapIt = map.find(3);
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auto mapItEnd = map.find(9);
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std::set<int> set{1, 2, 3};
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std::multimap<int, int> mMap{{1, 2}, {1, 1}, {2, 4}};
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std::multiset<int> mSet{1, 2, 3};
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std::variant<int, float, std::string, std::monostate> variant;
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std::list<int> list{1, 2, 3};
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std::forward_list<int> fwList{1, 2, 3};
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std::unordered_map<int, int> uMap{{1, 2}, {2, 4}, {3, 6}};
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std::unordered_set<int> uSet{1, 2, 4};
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std::unordered_multimap<int, int> uMMap{{1, 2}, {1, 1}, {2, 4}};
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std::unordered_multiset<int> uMSet{1, 1, 2};
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std::deque<int> deque{1, 2, 3};
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std::vector<int> vec{1, 2, 3};
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}
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// CHECK: Process {{.*}} exited with status = 0 (0x00000000)
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