rust-analyzer/.vscode/launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387

  // NOTE: --disable-extensions
  // Disable all installed extensions for increas performance of playground 
  // and prevent potential problem and collision with developer's extansion

  "version": "0.2.0",
  "configurations": [
    {
      // Used for testing extansion that located in extensionDevelopmentPath
      "name": "Run Extension",
      "type": "extensionHost",
      "request": "launch",
      "runtimeExecutable": "${execPath}",
      "args": [
        "--disable-extensions",
        "--extensionDevelopmentPath=${workspaceFolder}/editors/code"
      ],
      "outFiles": [
        "${workspaceFolder}/editors/code/out/**/*.js"
      ],
      "preLaunchTask": "Build Extension"
    },
    {
      // Used for testing extansion with local lsp server located in __RA_LSP_SERVER_DEBUG
      "name": "Run Extension (Dev Server)",
      "type": "extensionHost",
      "request": "launch",
      "runtimeExecutable": "${execPath}",
      "args": [
        "--disable-extensions",
        "--extensionDevelopmentPath=${workspaceFolder}/editors/code"
      ],
      "outFiles": [
        "${workspaceFolder}/editors/code/out/**/*.js"
      ],
      "preLaunchTask": "Build Extension",
      "env": {
        "__RA_LSP_SERVER_DEBUG": "${workspaceFolder}/target/debug/ra_lsp_server"
      }
    },
    {
      // Attaching LLDB by Pid to lsp server
      // NOTE: it requires root permission, also for better debugging
      // if you want more than just assembler representation for ex: 
      // walk in file, you need debugging symbols.
      // Project can build with it, for set - chane inside
      // ./Cargo.toml field debug 
      "name": "Attach To Server",
      "type": "lldb",
      "request": "attach",
      "program": "${workspaceFolder}/target/debug/ra_lsp_server",
      "pid": "${command:pickMyProcess}",
      "sourceLanguages": [
        "rust"
      ]
    },
  ]
}