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Meta: Script to configure clangd according to build type

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Add a simple shell script to update the local clangd configuration
according to the type of build selected by the user. Include
documentation on where the script might be useful when building
under different configurations.
This commit is contained in:
Will Hawkins 2024-07-26 23:04:18 -04:00 committed by Andrew Kaster
parent d6af5bf5eb
commit 4f4fdce62a
Notes: github-actions[bot] 2024-08-06 05:44:57 +00:00 
Author: https://github.com/hawkinsw 🔰
Commit: https://github.com/LadybirdBrowser/ladybird/commit/4f4fdce62ad
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/855
Reviewed-by: https://github.com/ADKaster
2 changed files with 63 additions and 0 deletions
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13
Documentation/AdvancedBuildInstructions.md
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@ -67,3 +67,16 @@ Some OS distributions don't ship bleeding-edge clang-format binaries. Below are
1) If you have a Debian-based (apt-based) distribution, use the [LLVM apt repositories](https://apt.llvm.org) to install the latest release of clang-format.
2) Compile LLVM from source as described in the LLVM documentation [here](https://llvm.org/docs/GettingStarted.html#compiling-the-llvm-suite-source-code).
## Clangd Configuration
Clangd will automatically look for configuration information in files
named `.clangd` in each of the parent directories of the file being
edited. The Ladybird source code repository has a top-level `.clangd`
configuration file in the root directory. One of the configuration
stanzas in that file specifies the location for a compilation database.
Depending on your build configuration (e.g., Debug, default, Sanitizer,
etc), the path to the compilation database in that file may not be
correct. The result is that clangd will have a difficult time
understanding all your include directories. To resolve the problem, you
can use the `Meta/configure-clangd.sh` script.

50
Meta/configure-clangd.sh Executable file
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@ -0,0 +1,50 @@
#!/usr/bin/env bash
function usage {
echo "$0 <.clangd file path> [release|debug]"
echo "Update local clangd configuration with the proper"
echo "compilation database according to the selected build type."
}
script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
cd "${script_path}/.." || exit 1
# Check if the user has sed.
if ! which sed >/dev/null 2>&1; then
echo "Error: No sed found. Cannot configure .clangd automatically."
exit 1
fi
# Check if the user specified the right number of parameters.
if [ $# -ne 2 ]; then
usage
exit 1
fi
clangd_file_path=$1
if [ ! -f "$clangd_file_path" ]; then
echo "Error: ${clangd_file_path} is not a regular file."
echo
usage
exit 1
fi
build_type=""
case $2 in
Debug)
build_type="-debug"
;;
default)
build_type=""
;;
Sanitizer)
build_type="-sanitizers"
;;
*)
echo "Invalid build configuration specified: $2"
usage
exit 1
esac
sed -i '' "s/\(^[ ]*CompilationDatabase:\).*$/\1 Build\/ladybird${build_type}/" "$clangd_file_path"