File Path Env
You can use Project Environment Variables in source file path.
Fixed Variables For Path
There are some fixed variables only for source file path.
${workspaceFolder}: vscode workspace folder path${workspaceFolderBasename}: vscode workspace folder base name${OutDir}: output directory full path, like:d:/path/my_project/proj_a/build/Debug${OutDirRoot}: output directory root name, like:build${OutDirBase}: output directory base name, like:build/Debug${ProjectName}: eide project name${ConfigName}: project config name, like:debug,release${ExecutableName}: output file name full path (without suffix), like:d:/path/my_project/proj_a/build/Debug/project_name${ProjectRoot}: project root path, like:${workspaceFolder}${ToolchainRoot}: toolchain root full path