Add C/C++ and Scala environments

modules/default.nix

@@ -3,11 +3,14 @@
     ./options.nix
     ./desktop/firefox.nix
     ./desktop/gnome.nix
+    ./dev/cc.nix
     ./dev/java.nix
     ./dev/lua.nix
     ./dev/node.nix
     ./dev/python.nix
     ./dev/rust.nix
+    ./dev/scala.nix
+    ./dev/shell.nix
     ./dev/zig.nix
     ./editors/neovim
     ./editors/vscode.nix

modules/dev/cc.nix

@@ -0,0 +1,20 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+let cfg = config.modules.dev.cc;
+in {
+  options.modules.dev.cc = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    user.packages = with pkgs; [
+      clang
+      gcc
+      gdb
+      cmake
+      llvmPackages.libcxx
+    ];
+  };
+}

modules/dev/scala.nix

@@ -0,0 +1,18 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+let cfg = config.modules.dev.scala;
+in {
+  options.modules.dev.scala = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    user.packages = with pkgs; [
+      jdk
+      sbt
+      scala
+    ];
+  };
+}

modules/dev/shell.nix

@@ -0,0 +1,16 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+let cfg = config.modules.dev.shell;
+in {
+  options.modules.dev.shell = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    user.packages = with pkgs; [
+      shellcheck
+    ];
+  };
+}

modules/editors/neovim/default.nix

@@ -70,6 +70,9 @@ in {
     ] ++
 
     # Install appropriate language servers
+    (if dev.cc.enable then [
+      ccls                                            # C/C++
+    ] else []) ++
     (if dev.java.enable then [
       java-language-server                            # Java
       ltex-ls                                         # LaTeX
@@ -96,6 +99,9 @@ in {
     (if dev.rust.enable then [
       rust-analyzer                                   # Rust
     ] else []) ++
+    (if dev.scala.enable then [
+      metals                                          # Scala
+    ] else []) ++
     (if dev.zig.enable then [
       zls                                             # Zig
     ] else []);
@@ -105,11 +111,13 @@ in {
       "nvim/lua" = { source = ./lua; recursive = true; };
       "nvim/lua/config/lsp.lua".text = ''
         -- This file is autogenerated, do not edit.
+        ${if dev.cc.enable then "require('config.lsp.cc')\n" else ""}
         ${if dev.java.enable then "require('config.lsp.java')\n" else ""}
         ${if dev.lua.enable then "require('config.lsp.lua')\n" else ""}
         ${if dev.node.enable then "require('config.lsp.node')\n" else ""}
         ${if dev.python.enable then "require('config.lsp.python')\n" else ""}
         ${if dev.rust.enable then "require('config.lsp.rust')\n" else ""}
+        ${if dev.scala.enable then "require('config.lsp.scala')\n" else ""}
         ${if dev.zig.enable then "require('config.lsp.zig')\n" else ""}
       '';
     };

modules/editors/neovim/lua/config/lsp/cc.lua

@@ -0,0 +1,5 @@
+lspconfig = require('lspconfig')
+
+-- Requires C/C++
+lspconfig.ccls.setup{}
+

modules/editors/neovim/lua/config/lsp/scala.lua

@@ -0,0 +1,5 @@
+lspconfig = require('lspconfig')
+
+-- Requires Scala
+lspconfig.metals.setup{}
+