[all-commits] [llvm/llvm-project] 401b5c: [LLDB] Add formatters for MSVC STL std::variant (#...

[nerix via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 401b5ccf6b507ed36e959e7ae2f4b5e052647196
      https://github.com/llvm/llvm-project/commit/401b5ccf6b507ed36e959e7ae2f4b5e052647196
  Author: nerix <nerixdev at outlook.de>
  Date:   2025-07-21 (Mon, 21 Jul 2025)

  Changed paths:
    M lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt
    M lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
    M lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.h
    M lldb/source/Plugins/Language/CPlusPlus/MsvcStl.h
    A lldb/source/Plugins/Language/CPlusPlus/MsvcStlVariant.cpp
    M lldb/test/API/functionalities/data-formatter/data-formatter-stl/generic/variant/TestDataFormatterStdVariant.py

  Log Message:
  -----------
  [LLDB] Add formatters for MSVC STL std::variant (#148554)

Adds a summary and synthetic children for MSVC STL's `std::variant`.

This one is a bit complicated because of DWARF vs PDB differences. I put
the representations in comments. Being able to `GetChildMemberWithName`
a member in an anonymous union would make this a lot simpler
(`std::optional` will have something similar iirc).

Towards #24834.



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