chore: use separated .vscode for buildenv

- Mount separated .vscode for buildenv to allow users to use custom
configuration
- Update vscode configuration to use clang tools

README.md

@@ -180,15 +180,18 @@ Here are some nice plugins to work with this repo:
 	"extensions": [
 		"eamodio.gitlens",
 		"EditorConfig.EditorConfig",
+		"GitHub.copilot",
+		"GitHub.copilot-chat",
 		"golang.go",
-		"jkillian.custom-local-formatters",
 		"ms-azuretools.vscode-docker",
 		"ms-vscode.cmake-tools",
 		"ms-vscode.cpptools",
 		"ms-vscode.cpptools-extension-pack",
 		"ms-vscode.cpptools-themes",
 		"ms-vscode.makefile-tools",
-		"twxs.cmake"
-	]
+		"llvm-vs-code-extensions.vscode-clangd",
+		"xaver.clang-format",
+		"twxs.cmake",
+	],
 }
 ```

hack/buildenv.sh

@@ -3,6 +3,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 set -o errtrace
+set -x
 
 cd "$(dirname "${BASH_SOURCE}")/.."
 
@@ -62,6 +63,7 @@ function docker_buildenv {
   docker run --rm --name "${name}" --shm-size 1024m \
          ${priv} \
          -v $PWD:/src:delegated -v $PWD/vpp-out:/vpp-out \
+         -v ${PWD}/hack/vscode-buildenv:/src/.vscode \
          "${opts[@]}" -w /src "${DEV_IMAGE}" "$@"
 }
 

.vscode/c_cpp_properties.json → hack/vscode-buildenv/c_cpp_properties.json

@@ -8,10 +8,10 @@
         "/vpp-src/**"
       ],
       "defines": [],
-      "compilerPath": "/usr/bin/gcc",
+      "compilerPath": "/usr/bin/clang-11",
       "cStandard": "c17",
       "cppStandard": "c++14",
-      "intelliSenseMode": "linux-gcc-x64",
+      "intelliSenseMode": "linux-clang-x64",
       "configurationProvider": "ms-vscode.makefile-tools"
     }
   ],

hack/vscode-buildenv/settings.json

@@ -0,0 +1,6 @@
+{
+  "editor.formatOnSave": true,
+  "editor.indentSize": 2,
+  "editor.tabSize": 2,
+  "editor.insertSpaces": true,
+}