Move files out of their respective fs structure into program dirs in root and symlink dotfils using HM.

nvim/lua/lsp/servers/clangd.lua

@@ -0,0 +1,62 @@
+local utils = require("utils")
+
+-- https://clangd.llvm.org/extensions.html#switch-between-sourceheader
+local function switch_source_header(bufnr)
+    bufnr = utils.validate_bufnr(bufnr)
+    local clangd_client = vim.lsp.get_clients({ bufnr = bufnr, name = "clangd" })[1]
+    local params = { uri = vim.uri_from_bufnr(bufnr) }
+    if clangd_client then
+        clangd_client.request("textDocument/switchSourceHeader", params, function(err, result)
+            if err then
+                error(tostring(err))
+            end
+            if not result then
+                print "Corresponding file cannot be determined"
+                return
+            end
+            vim.api.nvim_command("drop " .. vim.uri_to_fname(result))
+        end, bufnr)
+    else
+        print "method textDocument/switchSourceHeader is not supported by any servers active on the current buffer"
+    end
+end
+
+return {
+    cmd = {
+        "clangd",
+        "--background-index",         -- Enables background indexing
+        "--clang-tidy",               -- Enables clang-tidy diagnostics
+        "--completion-style=bundled", -- Simpler completions for faster performance
+        "--rename-file-limit=0",      -- No limit on renaming files
+        "--header-insertion=iwyu",    -- Suggest missing includes based on IWYU
+        "--inlay-hints",              -- Enable inlay hints for parameter and type information
+        "--limit-results=70",         -- Limit autocompletion and symbol results
+        "--suggest-missing-includes", -- Still show missing includes suggestions
+        "--pch-storage=disk",         -- Stores precompiled headers on disk (fixes the issue where system ran out of memory when indexing large projects, not a huge performance hit on fast m2 ssds)
+        "--log=error",                -- Log only errors
+    },
+    filetypes = { "c", "cpp", "objc", "objcpp", "cuda", "proto" },
+    root_markers = {
+        ".clangd",
+        ".clang-tidy",
+        ".clang-format",
+        "compile_commands.json",
+        "compile_flags.txt",
+        "configure.ac",
+    },
+    on_attach = function(_, bufnr)
+        local lsp_maps = {
+            {
+                "<leader>ko",
+                function() switch_source_header(0) end,
+            },
+        }
+
+        local keymaps = { n = {} }
+        for i, _ in ipairs(lsp_maps) do
+            local binding, cmd = unpack(lsp_maps[i])
+            keymaps.n[binding] = { cmd = cmd, opts = { buffer = bufnr } }
+        end
+        utils.add_keymaps(keymaps)
+    end,
+}