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This is an ongoing series of commits that are reformatting our Python
code. Reformatting is done with `black` (23.1.0).
If you end up having problems merging this commit because you have made
changes to a python file, the best way to handle that is to run `git
checkout --ours <yourfile>` and then reformat it with black.
RFC: https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style
Differential revision: https://reviews.llvm.org/D151460
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We just want to test whether the language switch works.
This is easier to control for libc++, since for bots building
the tests against libstdc++ we might not have the necessary
`<compare>` header available currently.
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Requires C++20 support (at least for the spaceship operator).
Seems to work back to Clang-11
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This patch allows users to evaluate expressions using
`expr -l c++20`. Currently DWARF keeps the CU's at
`DW_AT_language` at `DW_LANG_C_plus_plus_14` even
when compiling with `-std=c++20`. So even in "C++20
programs" expression evaluation will by default be
performed in `C++11` mode for now.
Enabling `C++14` has been previously attempted at
https://reviews.llvm.org/D80308
There are some remaining issues around evaluating C++20
expressions. Mainly, lack of support for C++20 AST nodes in
`clang::ASTImporter`. But these can be addressed in follow-up
patches.
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This reverts commit 5f88f39ab8154682c3b1eb9d7050a9412a55d9e7. It broke these
three tests on the Window bot:
lldb-api :: commands/expression/completion/TestExprCompletion.py
lldb-api :: lang/cpp/scope/TestCppScope.py
lldb-api :: lang/cpp/standards/cpp11/TestCPP11Standard.py
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Summary:
Currently we never enable C++14 in the expression evaluator. This enables it when the language of the program is C++14.
It seems C++17 and so on isn't yet in any of the language enums (and the DWARF standard it seems), so C++17 support will be a follow up patch.
Reviewers: labath, JDevlieghere
Reviewed By: labath, JDevlieghere
Subscribers: aprantl
Differential Revision: https://reviews.llvm.org/D80308
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