Arthapz wrote:
> Given we are going to branch clang19 in the end of the month, it is highly
> possible that we can't land sufficient patches before that. Note that even if
> we land this patch before that, the support of modules in clangd is expected
> to very slow for real world applications. See the summary of the patch for
> details. So we may miss the train again.
>
> To mitigate this, I opened https://github.com/ChuanqiXu9/clangd-for-modules.
> This contains the following patches to make the clangd sufficient to work
> with modules in practical workloads. Feedbacks and contributions are
> welcomed. Hope this can be helpful for people who are waiting this.
i tried this (and modified my xmake a little to gen the module_map.txt,
https://github.com/Arthapz/xmake/tree/clangd-module-map), i did get some of LSP
support
but the logs are full of errors like
```
[ERROR][2024-07-15 16:03:31] .../vim/lsp/rpc.lua:770"rpc"
"/opt/llvm-git/bin/clangd" "stderr""E[16:03:31.557] Scanning modules
dependencies for build/../modules/stormkit/Core/Utils/Stacktrac
e.mpp failed: error: unable to handle compilation, expected exactly one
compiler job in '/opt/llvm-git/bin/clang -c -Qunused-arguments -m64 -g
-fvisibility=hidden -fvisibility-inlines-hidden -Wall -Wpe
dantic -Wextra -ffp-model=fast -O3 -mfma -mfpu=neon -mavx -mavx2 -msse -msse2
-msse3 -mssse3 -msse4.2 -stdlib=libc++ -cxx-isystem/opt/llvm-git/include/c++/v1
-Ibuild/.gens/include -I/home/arthapz/Repos
/StormKit/include -D_GLIBCXX_DEBUG -DSTORMKIT_BUILD -DSTORMKIT_BUILD_DEBUG
-DSTORMKIT_ASSERT=1 -DSTORMKIT_STATIC -DBOOST_STACKTRACE_USE_ADDR2LINE
-DBOOST_STACKTRACE_LINK -isystem /home/arthapz/.xmake/p
ackages/g/glm/1.0.1/e8b755c3b7d04ec88316715dbafe4cb6/include -isystem
/home/arthapz/Repos/StormKit/build/.packages/f/frozen/latest/9a1f279102e34dbe91527197132695fd/include
-isystem /home/arthapz/.xmake
/packages/u/unordered_dense/v4.4.0/9226fe6ee99949838863899207aec25e/include
-isystem
/home/arthapz/.xmake/packages/m/magic_enum/v0.9.5/c9d129e2b37f49a5897d1ef2a130e7c3/include
-isystem /home/arthapz/.x
make/packages/t/tl_function_ref/v1.0.0/db82eb7eb9e64a40a64595c6319b711b/include
-isystem
/home/arthapz/.xmake/packages/b/boost/1.84.0/1be587ae28144669827487e346d4bc81/include
-isystem /home/arthapz/.xm
ake/packages/l/libbacktrace/v1.0/5ff2e6e6560147f597b99dfa2bbea685/include
-Wno-experimental-header-units -fcolor-diagnostics -fexperimental-library
-fstrict-aliasing -Wstrict-aliasing -Wno-missing-fiel
d-initializers -Wno-include-angled-in-module-purview -Wno-unknown-attributes
-Wno-deprecated-declarations -ggdb3 -Wno-language-extension-token
-fmodule-file=std=build/.gens/stormkit-core/linux/x86_64/d
ebug/rules/bmi/cache/modules/500a1880/std.pcm
-fmodule-file=stormkit.Core:Parallelism.ThreadUtils=build/.gens/stormkit-core/linux/x86_64/debug/rules/bmi/cache/modules/500a1880/stormkit.Core-Parallelism
.ThreadUtils.pcm --precompile --
build/../modules/stormkit/Core/Utils/Stacktrace.mpp'\n\nI[16:03:31.557]
Recorded module unit path build/../modules/stormkit/Core/Utils/Stacktrace.mpp
doesn't declare mo
dule stormkit.Core:Utils.Stacktrace\n"
[ERROR][2024-07-15 16:03:31] .../vim/lsp/rpc.lua:770"rpc"
"/opt/llvm-git/bin/clangd" "stderr""I[16:03:31.557] Recorded module unit
path build/../opt/llvm-git/bin/../lib/../share/libc++/v1/st
d.compat.cppm for module std.compat not existed.\n"
```
i used these parameters for clangd
```
"--offset-encoding=utf-16", "--header-insertion=never",
"--experimental-modules-support", "--compile-commands-dir=.vscode",
"--modules-map-path=build/clangd_mapper.txt"
```
https://github.com/llvm/llvm-project/pull/66462
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