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Age	Commit message (Collapse)	Author
2025-07-11	[LLDB] Add formatters for MSVC STL std::shared_ptr (#147575)	nerix
	This PR adds formatters for `std::shared_ptr` and `std::weak_ptr`. They are similar to the ones from libc++ and libstdc++. [Section from MSVC STL NatVis](https://github.com/microsoft/STL/blob/313964b78a8fd5a52e7965e13781f735bcce13c5/stl/debugger/STL.natvis#L512-L578). To support debugging with PDB debug info, I had to add an early exit in `GetDesugaredSmartPointerValue`, because with PDB, LLDB doesn't know about template types. This isn't an issue here, since the typedef type is already resolved there, so no casting is needed. The tests don't check for PDB - maybe this should be changed? I don't know a good way to do this. PDB has the downside that it resolves typedefs. Here in particular, the test for `element_type` would need to be replaced with `User` and `std::string` with `std::basic_string<char,std::char_traits<char>,std::allocator<char> >`. Towards #24834.
2025-07-08	[lldb][Formatters] Consistently unwrap pointer element_type in ↵	Michael Buch
	std::shared_ptr formatters (#147340) Follow-up to https://github.com/llvm/llvm-project/pull/147165#pullrequestreview-2992585513 Currently when we explicitly dereference a std::shared_ptr, both the libstdc++ and libc++ formatters will cast the type of the synthetic pointer child to whatever the `std::shared_ptr::element_type` is aliased to. E.g., ``` (lldb) v p (std::shared_ptr<int>) p = 10 strong=1 weak=0 { pointer = 0x000000010016c6a0 } (lldb) v p (int) p = 10 ``` However, when we print (or dereference) `p.pointer`, the type devolves to something less user-friendly: ``` (lldb) v p.pointer (std::shared_ptr<int>::element_type ) p.pointer = 0x000000010016c6a0 (lldb) v p.pointer (std::shared_ptr<int>::element_type) *p.pointer = 10 ``` This patch changes both formatters to store the casted type. Then `GetChildAtIndex` will consistently use the unwrapped type.