feat: Neovim config mit LSP, Treesitter und PlatformIO

nvim/lua/plugins/lsp.lua

@@ -0,0 +1,106 @@
+return {
+  -- Syntax Highlighting
+  {
+    'nvim-treesitter/nvim-treesitter',
+    build = ':TSUpdate',
+    config = function()
+      vim.treesitter.language.register('markdown', 'mdx')
+      -- Parser installieren
+      local parsers = { 'lua', 'python', 'c', 'cpp', 'json', 'yaml', 'markdown', 'bash' }
+      for _, parser in ipairs(parsers) do
+        pcall(function()
+          vim.treesitter.start(0, parser)
+        end)
+      end
+      -- Highlight aktivieren
+      vim.api.nvim_create_autocmd('FileType', {
+        pattern = '*',
+        callback = function()
+          pcall(vim.treesitter.start)
+        end,
+      })
+    end,
+  },
+
+  -- Mason für LSP Installation
+  {
+    '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 = { 'pyright', 'lua_ls', 'clangd' },
+      })
+    end,
+  },
+
+  -- LSP Config (mit neuer API für nvim 0.11)
+  {
+    'neovim/nvim-lspconfig',
+    dependencies = { 'williamboman/mason-lspconfig.nvim' },
+    config = function()
+      -- Keymaps wenn LSP attached
+      vim.api.nvim_create_autocmd('LspAttach', {
+        callback = function(args)
+          local opts = { buffer = args.buf }
+          vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
+          vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
+          vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, opts)
+          vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action, opts)
+        end,
+      })
+
+      -- LSP Server aktivieren
+      vim.lsp.enable('pyright')
+      vim.lsp.enable('lua_ls')
+      vim.lsp.enable('clangd')
+    end,
+  },
+
+  -- Autovervollständigung
+  {
+    'hrsh7th/nvim-cmp',
+    dependencies = {
+      'hrsh7th/cmp-nvim-lsp',
+      'hrsh7th/cmp-buffer',
+      'hrsh7th/cmp-path',
+      'L3MON4D3/LuaSnip',
+      '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()
+            else
+              fallback()
+            end
+          end, { 'i', 's' }),
+        }),
+        sources = {
+          { name = 'nvim_lsp' },
+          { name = 'luasnip' },
+          { name = 'buffer' },
+          { name = 'path' },
+        },
+      })
+    end,
+  },
+}