feat(neovim): add roslyn.nvim support + rzls.nvim

modules/home-manager/programs/neovim/default.nix

@@ -78,7 +78,9 @@ in
         vscode-extensions.ms-vscode.cpptools
 
         # C#
-        csharp-ls
+        #csharp-ls Testing roslyn.nvim
+        roslyn-ls
+        rzls
         csharpier
         netcoredbg
 

modules/home-manager/programs/neovim/lsp.lua

@@ -55,7 +55,7 @@ return {
       "basedpyright",
       "clangd",
       "cmake",
-      "csharp_ls",
+      --"csharp_ls", Testing roslyn.nvim
       "cssls",
       "denols",
       "eslint",

modules/home-manager/programs/neovim/lua/community.lua

@@ -18,9 +18,11 @@ return {
   { import = "astrocommunity.motion.mini-ai" },
   { import = "astrocommunity.motion.mini-surround" },
 
+  { import = "astrocommunity.test.neotest" },
+
   { import = "astrocommunity.pack.cmake" },
   { import = "astrocommunity.pack.cpp" },
-  { import = "astrocommunity.pack.cs" },
+  -- { import = "astrocommunity.pack.cs" }, Trying out roslyn.nvim
   { import = "astrocommunity.pack.godot" },
   { import = "astrocommunity.pack.html-css" },
   { import = "astrocommunity.pack.json" },

modules/home-manager/programs/neovim/lua/plugins/roslyn-nvim.lua

@@ -0,0 +1,120 @@
+---@type LazySpec
+return {
+  "seblyng/roslyn.nvim",
+  ft = { "cs", "razor" },
+  commit = "490fd2d0f76249032ef6ce503e43ccdaeed9616e",
+  lazy = true,
+  dependencies = {
+    {
+      "tris203/rzls.nvim",
+      config = function()
+        ---@diagnostic disable-next-line: missing-fields
+        require("rzls").setup {
+          path = vim.fn.getnixpath "rzls" .. "/bin/rzls",
+        }
+      end,
+    },
+  },
+  opts = function(_, opts)
+    local rzlspath = vim.fn.getnixpath "rzls"
+    require("roslyn.config").get()
+
+    opts = {
+      exe = "Microsoft.CodeAnalysis.LanguageServer",
+      args = {
+        "--logLevel=Information",
+        "--extensionLogDirectory=" .. vim.fs.dirname(vim.lsp.get_log_path()),
+        "--razorSourceGenerator=" .. rzlspath .. "/lib/rzls/Microsoft.CodeAnalysis.Razor.Compiler.dll",
+        "--razorDesignTimePath=" .. rzlspath .. "/lib/rzls/Targets/Microsoft.NET.Sdk.Razor.DesignTime.targets",
+      },
+      ---@type vim.lsp.ClientConfig
+      ---@diagnostic disable-next-line: missing-fields
+      config = {
+        handlers = require "rzls.roslyn_handlers",
+        settings = {
+          ["csharp|inlay_hints"] = {
+            csharp_enable_inlay_hints_for_implicit_object_creation = true,
+            csharp_enable_inlay_hints_for_implicit_variable_types = true,
+
+            csharp_enable_inlay_hints_for_lambda_parameter_types = true,
+            csharp_enable_inlay_hints_for_types = true,
+            dotnet_enable_inlay_hints_for_indexer_parameters = true,
+            dotnet_enable_inlay_hints_for_literal_parameters = true,
+            dotnet_enable_inlay_hints_for_object_creation_parameters = true,
+            dotnet_enable_inlay_hints_for_other_parameters = true,
+            dotnet_enable_inlay_hints_for_parameters = true,
+            dotnet_suppress_inlay_hints_for_parameters_that_differ_only_by_suffix = true,
+            dotnet_suppress_inlay_hints_for_parameters_that_match_argument_name = true,
+            dotnet_suppress_inlay_hints_for_parameters_that_match_method_intent = true,
+          },
+          ["csharp|code_lens"] = {
+            dotnet_enable_references_code_lens = true,
+          },
+        },
+        ---@class RoslynPatchedClient: vim.lsp.Client
+        ---@field patched boolean?
+
+        ---@param client RoslynPatchedClient
+        ---@param bufnr integer
+        on_attach = function(client, bufnr)
+          -- Call AstroLSP's on_attach so it registers mappings, formatting, etc.
+          require("astrolsp").on_attach(client, bufnr)
+
+          -- HACK: Patch out the `roslyn-ls` LSP client to have proper
+          -- semantic tokens.
+          -- This is a snippet of code taken and modified from:
+          -- https://github.com/seblyng/roslyn.nvim/wiki#semantic-tokens
+          if client.patched then
+            return
+          else
+            client.patched = true
+          end
+
+          -- let the runtime know the server can do semanticTokens/full now
+          client.server_capabilities = vim.tbl_deep_extend("force", client.server_capabilities, {
+            semanticTokensProvider = {
+              full = true,
+            },
+          })
+
+          local lsp_request = client.request
+
+          client.request = function(method, params, handler, req_bufnr)
+            if method ~= vim.lsp.protocol.Methods.textDocument_semanticTokens_full then
+              return lsp_request(method, params, handler, req_bufnr)
+            end
+
+            local target_bufnr = vim.uri_to_bufnr(params.textDocument.uri)
+            local line_count = vim.api.nvim_buf_line_count(target_bufnr)
+            local last_line = vim.api.nvim_buf_get_lines(target_bufnr, line_count - 1, line_count, true)[1]
+
+            local returnvalue = lsp_request("textDocument/semanticTokens/range", {
+              textDocument = params.textDocument,
+              range = {
+                ["start"] = {
+                  line = 0,
+                  character = 0,
+                },
+                ["end"] = {
+                  line = line_count - 1,
+                  character = string.len(last_line) - 1,
+                },
+              },
+            }, handler, req_bufnr)
+            return returnvalue
+          end
+        end,
+      },
+    }
+
+    return opts
+  end,
+  init = function()
+    vim.filetype.add {
+      extension = {
+        razor = "razor",
+        cshtml = "razor",
+      },
+    }
+  end,
+}

modules/home-manager/programs/neovim/lua/plugins/treesitter.lua

@@ -3,9 +3,14 @@
 ---@type LazySpec
 return {
 	"nvim-treesitter/nvim-treesitter",
+	---@param _ LazyPlugin
+	---@param opts TSConfig
 	opts = function(_, opts)
+		-- disable automatically installing parsers
+		opts.auto_install = false
+
 		-- add more things to the ensure_installed table protecting against community packs modifying it
-    opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, {
+		opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed --[[@as string[]], {
 			-- Programming
 			"c",
 			"c_sharp",
@@ -24,12 +29,14 @@ return {
 			"objc",
 			"proto",
 			"python",
+			"razor",
 			"svelte",
 			"tsx",
 			"typescript",
 			"vue",
 			-- Scripting
 			"bash",
+			"fish",
 			"glsl",
 			-- Configuring
 			"dockerfile",