Swap Omnisharp for Roslyn

Author: NonlinearFruit

nvim/lazy-lock.json

@@ -21,8 +21,8 @@
   "nvim-treesitter": { "branch": "master", "commit": "42fc28ba918343ebfd5565147a42a26580579482" },
   "nvim-web-devicons": { "branch": "master", "commit": "8dcb311b0c92d460fac00eac706abd43d94d68af" },
   "oil.nvim": { "branch": "master", "commit": "7e1cd7703ff2924d7038476dcbc04b950203b902" },
-  "omnisharp-extended-lsp.nvim": { "branch": "main", "commit": "a47388e5417e7f1cfa6962cc441a23c4c5fb2151" },
   "plenary.nvim": { "branch": "master", "commit": "b9fd5226c2f76c951fc8ed5923d85e4de065e509" },
+  "roslyn.nvim": { "branch": "main", "commit": "7deb9bb5b6afcb3c03c70741c6d364ffd8b59bda" },
   "telescope-fzf-native.nvim": { "branch": "main", "commit": "1f08ed60cafc8f6168b72b80be2b2ea149813e55" },
   "telescope.nvim": { "branch": "master", "commit": "b4da76be54691e854d3e0e02c36b0245f945c2c7" },
   "tree-sitter-d2": { "branch": "main", "commit": "ffb66ce4c801a1e37ed145ebd5eca1ea8865e00f" }

nvim/lua/plugins/csharp.lua

@@ -40,43 +40,12 @@ end
 
 local function install_lsp_and_dap_if_needed()
   require("installer").install_if_missing({
-    "omnisharp", -- LSP
+    -- "roslyn", -- LSP Needs to be manually installed from the Mason gui?
     "netcoredbg", -- DAP
   })
 end
 
 local function configure_lsp()
-  local lsp = require("plugins.language-server")
-
-  vim.lsp.config("omnisharp", {
-    cmd = {
-      vim.fn.executable("OmniSharp") == 1 and "OmniSharp" or "omnisharp",
-      "-z", -- https://github.com/OmniSharp/omnisharp-vscode/pull/4300
-      "--hostPID",
-      tostring(vim.fn.getpid()),
-      "DotNet:enablePackageRestore=false",
-      "--encoding",
-      "utf-8",
-      "--languageserver",
-    },
-    on_attach = function(client, bufnr)
-      -- https://github.com/OmniSharp/omnisharp-roslyn/issues/2483#issuecomment-1492605642
-      local tokenModifiers = client.server_capabilities.semanticTokensProvider.legend.tokenModifiers
-      for i, v in ipairs(tokenModifiers) do
-        local tmp = string.gsub(v, " ", "_")
-        tokenModifiers[i] = string.gsub(tmp, "-_", "")
-      end
-      local tokenTypes = client.server_capabilities.semanticTokensProvider.legend.tokenTypes
-      for i, v in ipairs(tokenTypes) do
-        local tmp = string.gsub(v, " ", "_")
-        tokenTypes[i] = string.gsub(tmp, "-_", "")
-      end
-      lsp.on_attach(client, bufnr)
-    end,
-    handlers = {
-      ["textDocument/definition"] = require("omnisharp_extended").handler,
-    },
-  })
   vim.lsp.enable("omnisharp")
 end
 
@@ -131,6 +100,6 @@ return {
   ft = "cs",
   virtual = true,
   dependencies = {
-    "hoffs/omnisharp-extended-lsp.nvim", -- improve c# lsp
+    "seblyng/roslyn.nvim", -- c# lsp
   },
 }

nvim/lua/plugins/mason.lua

@@ -13,6 +13,10 @@ local function configure()
     ui = {
       border = "rounded",
     },
+    registries = {
+        "github:mason-org/mason-registry",
+        "github:Crashdummyy/mason-registry", -- For roslyn
+    },
   })
 
   mason_lsp_config.setup({