initial dotfiles

2026-04-23 23:48:01 +02:00 · 2026-04-23 23:48:01 +02:00 · a11473e308
commit a11473e308
20 changed files with 2831 additions and 0 deletions
--- a/nvim/lua/plugins/lsp.lua
+++ b/nvim/lua/plugins/lsp.lua
@ -0,0 +1,123 @@
+-- LSP stack:
+--   mason        → installs language servers automatically
+--   lspconfig    → configures them
+--   nvim-cmp     → completion popup
+--   LuaSnip      → snippet engine (required by cmp)
+--
+-- LSP keymaps (active when a file has an attached language server):
+--   K           → hover documentation
+--   gd          → go to definition
+--   gr          → list references
+--   <leader>rn  → rename symbol
+--   <leader>ca  → code actions (quick fixes, imports, etc.)
+--   <leader>d   → show line diagnostics
+--   [d / ]d     → jump to prev/next diagnostic
+return {
+
+  -- ── Mason: auto-installs language servers ──────────────────────────────────
+  {
+    "williamboman/mason.nvim",
+    config = function()
+      require("mason").setup()
+    end,
+  },
+  {
+    "williamboman/mason-lspconfig.nvim",
+    dependencies = { "williamboman/mason.nvim" },
+    config = function()
+      require("mason-lspconfig").setup({
+        ensure_installed = {
+          "bashls",     -- Bash
+          "pyright",    -- Python
+          "omnisharp",  -- C#
+        },
+        automatic_installation = true,
+      })
+    end,
+  },
+
+  -- ── Completion ─────────────────────────────────────────────────────────────
+  {
+    "hrsh7th/nvim-cmp",
+    dependencies = {
+      "hrsh7th/cmp-nvim-lsp",    -- LSP completions
+      "hrsh7th/cmp-buffer",      -- words from current buffer
+      "hrsh7th/cmp-path",        -- file paths
+      "L3MON4D3/LuaSnip",        -- snippet engine
+      "saadparwaiz1/cmp_luasnip",
+    },
+    config = function()
+      local cmp     = require("cmp")
+      local luasnip = require("luasnip")
+
+      cmp.setup({
+        snippet = {
+          expand = function(args) luasnip.lsp_expand(args.body) end,
+        },
+        mapping = cmp.mapping.preset.insert({
+          ["<C-Space>"] = cmp.mapping.complete(),
+          ["<CR>"]      = cmp.mapping.confirm({ select = true }),
+          ["<Tab>"] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_next_item()
+            elseif luasnip.expand_or_jumpable() then
+              luasnip.expand_or_jump()
+            else
+              fallback()
+            end
+          end, { "i", "s" }),
+          ["<S-Tab>"] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_prev_item()
+            elseif luasnip.jumpable(-1) then
+              luasnip.jump(-1)
+            else
+              fallback()
+            end
+          end, { "i", "s" }),
+        }),
+        sources = cmp.config.sources({
+          { name = "nvim_lsp" },
+          { name = "luasnip" },
+        }, {
+          { name = "buffer" },
+          { name = "path" },
+        }),
+      })
+    end,
+  },
+
+  -- ── LSP config ─────────────────────────────────────────────────────────────
+  {
+    "neovim/nvim-lspconfig",
+    dependencies = {
+      "williamboman/mason-lspconfig.nvim",
+      "hrsh7th/cmp-nvim-lsp",
+    },
+    config = function()
+      local lspconfig    = require("lspconfig")
+      local capabilities = require("cmp_nvim_lsp").default_capabilities()
+
+      -- Keymaps applied whenever an LSP attaches to a buffer
+      vim.api.nvim_create_autocmd("LspAttach", {
+        callback = function(ev)
+          local map  = vim.keymap.set
+          local opts = function(desc) return { buffer = ev.buf, desc = desc } end
+
+          map("n", "K",           vim.lsp.buf.hover,          opts("Hover docs"))
+          map("n", "gd",          vim.lsp.buf.definition,     opts("Go to definition"))
+          map("n", "gr",          vim.lsp.buf.references,     opts("References"))
+          map("n", "<leader>rn",  vim.lsp.buf.rename,         opts("Rename symbol"))
+          map("n", "<leader>ca",  vim.lsp.buf.code_action,    opts("Code action"))
+          map("n", "<leader>d",   vim.diagnostic.open_float,  opts("Line diagnostics"))
+          map("n", "[d",          vim.diagnostic.goto_prev,   opts("Prev diagnostic"))
+          map("n", "]d",          vim.diagnostic.goto_next,   opts("Next diagnostic"))
+        end,
+      })
+
+      lspconfig.bashls.setup({ capabilities = capabilities })
+      lspconfig.pyright.setup({ capabilities = capabilities })
+      lspconfig.omnisharp.setup({ capabilities = capabilities })
+    end,
+  },
+}