ccls vscode config

ccls_vscode_conf.json

    "C_Cpp.autocomplete": "Disabled",
    "C_Cpp.errorSquiggles": "Disabled",
    "C_Cpp.intelliSenseEngine": "Disabled",
    "ccls.cache.directory": "${workspaceFolder}/.vscode/.ccls-cache/",
    "ccls.misc.compilationDatabaseDirectory": "${workspaceFolder}/build",
    "ccls.codeLens.localVariables": true,
    "ccls.completion.caseSensitivity": 1,
    "ccls.completion.enableSnippetInsertion": true,
    "ccls.highlight.enum.face": [
        "enabled",
        "color: #3ea0d2"
    ],
    "ccls.highlight.function.colors": [
        "#927754"
    ],
    "ccls.highlight.function.face": [
        "enabled"
    ],
    "ccls.highlight.globalVariable.face": [
        "variable",
        "textDecoration: underline"
    ],
    "ccls.highlight.macro.colors": [
        "#417b2f"
    ],
    "ccls.highlight.memberFunction.face": [
        "enabled",
        "color: #e2bf8f"
    ],
    "ccls.highlight.memberVariable.face": [
        "enabled",
        "color: #6cbcdf"
    ],
    "ccls.highlight.namespace.colors": [
        "#58bf89"
    ],
    "ccls.highlight.parameter.face": [
        "enabled",
        "color: #eb992c"
    ],
    "ccls.highlight.staticMemberFunction.face": [
        "memberFunction",
        "fontStyle: italic"
    ],
    "ccls.highlight.staticMemberVariable.face": [
        "enabled",
        "color: #6cbcdf",
        "fontStyle: italic"
    ],
    "ccls.highlight.staticVariable.face": [
        "enabled",
        "color: #991cdf",
        "fontStyle: italic"
    ],
    "ccls.highlight.type.colors": [
        "#ad3f87"
    ],
    "ccls.highlight.type.face": [
        "enabled",
        "fontWeight: bolder"
    ],
    "ccls.highlight.variable.colors": [
        "#C7D4D3"
    ],
    "ccls.highlight.variable.face": [
        "enabled"
    ],

build ccls:

git clone --recursive https://github.com/FederAndInk/ccls

# if you forgot to recursive clone
git submodule init
git submodule update

cd ccls
mkdir build
cd build
# adjust the install prefix AND clang++-VER if needed
cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/.local -DCMAKE_CXX_COMPILER=clang++ -DCLANG_LINK_CLANG_DYLIB=on -DUSE_SYSTEM_RAPIDJSON=off
cmake --build . -j
cmake --build . --target install

in the config (set to your username/home):

"ccls.launch.command": "/home/USER/.local/bin/ccls",

LLVM and clang: https://apt.llvm.org/

don't forget to install the dev libs! llvm-13-dev clang-13 libclang-13-dev libclang-cpp13-dev