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This relands https://github.com/llvm/llvm-project/pull/135119, after fixing crashes seen in LLDB CI reported here: https://github.com/llvm/llvm-project/pull/135119#issuecomment-2794910840 Fixes https://github.com/llvm/llvm-project/pull/135119 This changes the TemplateArgument representation to hold a flag indicating whether a tempalte argument of expression type is supposed to be canonical or not. This gets one step closer to solving https://github.com/llvm/llvm-project/issues/92292 This still doesn't try to unique as-written TSTs. While this would increase the amount of memory savings and make code dealing with the AST more well-behaved, profiling template argument lists is still too expensive for this to be worthwhile, at least for now. This also fixes the context creation of TSTs, so that they don't in some cases get incorrectly flagged as sugar over their own canonical form. This is captured in the test expectation change of some AST dumps. This fixes some places which were unnecessarily canonicalizing these TSTs.
clangd
clangd is a language server, and provides C++ IDE features to editors. This is not its documentation.
- the website is https://clangd.llvm.org/.
- the bug tracker is https://github.com/clangd/clangd/issues
- the source code is hosted at https://github.com/llvm/llvm-project/tree/main/clang-tools-extra/clangd.
- the website source code is at https://github.com/llvm/clangd-www/
Communication channels
If you have any questions or feedback, you can reach community and developers through one of these channels:
- chat: #clangd room hosted on LLVM's Discord channel.
- user questions and feature requests can be asked in the clangd topic on LLVM Discussion Forums
Building and testing clangd
For a minimal setup on building clangd:
-
Clone the LLVM repo to
$LLVM_ROOT. -
Create a build directory, for example at
$LLVM_ROOT/build. -
Inside the build directory run:
cmake $LLVM_ROOT/llvm/ -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra".- We suggest building in
Releasemode as building DEBUG binaries requires considerably more resources. You can check Building LLVM with CMake documentation for more details about cmake flags. - In addition to that using
Ninjaas a generator rather than defaultmakeis preferred. To do that consider passing-G Ninjato cmake invocation. - Finally, you can turn on assertions via
-DLLVM_ENABLE_ASSERTS=On.
- We suggest building in
-
Afterwards you can build clangd with
cmake --build $LLVM_ROOT/build --target clangd, similarly run tests by changing target tocheck-clangd.