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chore(lsp.completion): first attempt for native lsp completion

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Robin Gruyters 2025-03-28 17:29:03 +01:00
parent e947649cb0
commit eeb0c4a236
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1 changed files with 205 additions and 119 deletions
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324
init.lua
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@ -487,7 +487,7 @@ require('lazy').setup({
{ 'j-hui/fidget.nvim', opts = {} }, { 'j-hui/fidget.nvim', opts = {} },
-- Allows extra capabilities provided by nvim-cmp -- Allows extra capabilities provided by nvim-cmp
'hrsh7th/cmp-nvim-lsp', -- 'hrsh7th/cmp-nvim-lsp',
}, },
config = function() config = function()
-- Brief aside: **What is LSP?** -- Brief aside: **What is LSP?**
@ -623,6 +623,92 @@ require('lazy').setup({
end, end,
}) })
vim.api.nvim_create_autocmd('LspAttach', {
group = vim.api.nvim_create_augroup('kickstart-lsp-completion', { clear = true }),
callback = function(event)
local function keymap(lhs, rhs, opts, mode)
opts = type(opts) == 'string' and { desc = opts } or vim.tbl_extend('error', opts --[[@as table]], { buffer = event.buf })
mode = mode or 'n'
vim.keymap.set(mode, lhs, rhs, opts)
end
local function feedkeys(keys)
vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(keys, true, false, true), 'n', true)
end
---Is the completion menu open?
local function pumvisible()
return tonumber(vim.fn.pumvisible()) ~= 0
end
local client = vim.lsp.get_client_by_id(event.data.client_id)
if client and client:supports_method 'textDocument/completion' then
vim.lsp.completion.enable(true, client.id, event.buf, { autotrigger = true })
-- Use enter to accept completions.
keymap('<cr>', function()
return pumvisible() and '<C-y>' or '<cr>'
end, { expr = true }, 'i')
-- Use slash to dismiss the completion menu.
keymap('/', function()
return pumvisible() and '<C-e>' or '/'
end, { expr = true }, 'i')
-- Use <C-n> to navigate to the next completion or:
-- - Trigger LSP completion.
-- - If there's no one, fallback to vanilla omnifunc.
keymap('<C-n>', function()
if pumvisible() then
feedkeys '<C-n>'
else
if next(vim.lsp.get_clients { bufnr = 0 }) then
vim.lsp.completion.trigger()
else
if vim.bo.omnifunc == '' then
feedkeys '<C-x><C-n>'
else
feedkeys '<C-x><C-o>'
end
end
end
end, 'Trigger/select next completion', 'i')
-- Buffer completions.
keymap('<C-u>', '<C-x><C-n>', { desc = 'Buffer completions' }, 'i')
-- Use <Tab> to accept a Copilot suggestion, navigate between snippet tabstops,
-- or select the next completion.
-- Do something similar with <S-Tab>.
keymap('<Tab>', function()
local copilot = require 'copilot.suggestion'
if copilot.is_visible() then
copilot.accept()
elseif pumvisible() then
feedkeys '<C-n>'
elseif vim.snippet.active { direction = 1 } then
vim.snippet.jump(1)
else
feedkeys '<Tab>'
end
end, {}, { 'i', 's' })
keymap('<S-Tab>', function()
if pumvisible() then
feedkeys '<C-p>'
elseif vim.snippet.active { direction = -1 } then
vim.snippet.jump(-1)
else
feedkeys '<S-Tab>'
end
end, {}, { 'i', 's' })
-- Inside a snippet, use backspace to remove the placeholder.
keymap('<BS>', '<C-o>s', {}, 's')
end
end,
})
-- Diagnostic Config -- Diagnostic Config
-- See :help vim.diagnostic.Opts -- See :help vim.diagnostic.Opts
vim.diagnostic.config { vim.diagnostic.config {
@ -657,7 +743,7 @@ require('lazy').setup({
-- When you add nvim-cmp, luasnip, etc. Neovim now has *more* capabilities. -- When you add nvim-cmp, luasnip, etc. Neovim now has *more* capabilities.
-- So, we create new capabilities with nvim cmp, and then broadcast that to the servers. -- So, we create new capabilities with nvim cmp, and then broadcast that to the servers.
local capabilities = vim.lsp.protocol.make_client_capabilities() local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities = vim.tbl_deep_extend('force', capabilities, require('cmp_nvim_lsp').default_capabilities()) -- capabilities = vim.tbl_deep_extend('force', capabilities, require('cmp_nvim_lsp').default_capabilities())
-- Enable the following language servers -- Enable the following language servers
-- Feel free to add/remove any LSPs that you want here. They will automatically be installed. -- Feel free to add/remove any LSPs that you want here. They will automatically be installed.
@ -775,123 +861,123 @@ require('lazy').setup({
}, },
}, },
{ -- Autocompletion -- { -- Autocompletion
'hrsh7th/nvim-cmp', -- 'hrsh7th/nvim-cmp',
event = 'InsertEnter', -- event = 'InsertEnter',
dependencies = { -- dependencies = {
-- Snippet Engine & its associated nvim-cmp source -- -- Snippet Engine & its associated nvim-cmp source
{ -- {
'L3MON4D3/LuaSnip', -- 'L3MON4D3/LuaSnip',
build = (function() -- build = (function()
-- Build Step is needed for regex support in snippets. -- -- Build Step is needed for regex support in snippets.
-- This step is not supported in many windows environments. -- -- This step is not supported in many windows environments.
-- Remove the below condition to re-enable on windows. -- -- Remove the below condition to re-enable on windows.
if vim.fn.has 'win32' == 1 or vim.fn.executable 'make' == 0 then -- if vim.fn.has 'win32' == 1 or vim.fn.executable 'make' == 0 then
return -- return
end -- end
return 'make install_jsregexp' -- return 'make install_jsregexp'
end)(), -- end)(),
dependencies = { -- dependencies = {
-- `friendly-snippets` contains a variety of premade snippets. -- -- `friendly-snippets` contains a variety of premade snippets.
-- See the README about individual language/framework/plugin snippets: -- -- See the README about individual language/framework/plugin snippets:
-- https://github.com/rafamadriz/friendly-snippets -- -- https://github.com/rafamadriz/friendly-snippets
-- { -- -- {
-- 'rafamadriz/friendly-snippets', -- -- 'rafamadriz/friendly-snippets',
-- config = function() -- -- config = function()
-- require('luasnip.loaders.from_vscode').lazy_load() -- -- require('luasnip.loaders.from_vscode').lazy_load()
-- end, -- -- end,
-- }, -- -- },
}, -- },
}, -- },
'saadparwaiz1/cmp_luasnip', -- 'saadparwaiz1/cmp_luasnip',
--
-- Adds other completion capabilities. -- -- Adds other completion capabilities.
-- nvim-cmp does not ship with all sources by default. They are split -- -- nvim-cmp does not ship with all sources by default. They are split
-- into multiple repos for maintenance purposes. -- -- into multiple repos for maintenance purposes.
'hrsh7th/cmp-nvim-lsp', -- 'hrsh7th/cmp-nvim-lsp',
'hrsh7th/cmp-path', -- 'hrsh7th/cmp-path',
'hrsh7th/cmp-nvim-lsp-signature-help', -- 'hrsh7th/cmp-nvim-lsp-signature-help',
}, -- },
config = function() -- config = function()
-- See `:help cmp` -- -- See `:help cmp`
local cmp = require 'cmp' -- local cmp = require 'cmp'
local luasnip = require 'luasnip' -- local luasnip = require 'luasnip'
luasnip.config.setup {} -- luasnip.config.setup {}
--
cmp.setup { -- cmp.setup {
snippet = { -- snippet = {
expand = function(args) -- expand = function(args)
luasnip.lsp_expand(args.body) -- luasnip.lsp_expand(args.body)
end, -- end,
}, -- },
completion = { completeopt = 'menu,menuone,noinsert' }, -- completion = { completeopt = 'menu,menuone,noinsert' },
--
-- For an understanding of why these mappings were -- -- For an understanding of why these mappings were
-- chosen, you will need to read `:help ins-completion` -- -- chosen, you will need to read `:help ins-completion`
-- -- --
-- No, but seriously. Please read `:help ins-completion`, it is really good! -- -- No, but seriously. Please read `:help ins-completion`, it is really good!
mapping = cmp.mapping.preset.insert { -- mapping = cmp.mapping.preset.insert {
-- Select the [n]ext item -- -- Select the [n]ext item
['<C-n>'] = cmp.mapping.select_next_item(), -- ['<C-n>'] = cmp.mapping.select_next_item(),
-- Select the [p]revious item -- -- Select the [p]revious item
['<C-p>'] = cmp.mapping.select_prev_item(), -- ['<C-p>'] = cmp.mapping.select_prev_item(),
--
-- Scroll the documentation window [b]ack / [f]orward -- -- Scroll the documentation window [b]ack / [f]orward
['<C-b>'] = cmp.mapping.scroll_docs(-4), -- ['<C-b>'] = cmp.mapping.scroll_docs(-4),
['<C-f>'] = cmp.mapping.scroll_docs(4), -- ['<C-f>'] = cmp.mapping.scroll_docs(4),
--
-- Accept ([y]es) the completion. -- -- Accept ([y]es) the completion.
-- This will auto-import if your LSP supports it. -- -- This will auto-import if your LSP supports it.
-- This will expand snippets if the LSP sent a snippet. -- -- This will expand snippets if the LSP sent a snippet.
['<C-y>'] = cmp.mapping.confirm { select = true }, -- ['<C-y>'] = cmp.mapping.confirm { select = true },
--
-- If you prefer more traditional completion keymaps, -- -- If you prefer more traditional completion keymaps,
-- you can uncomment the following lines -- -- you can uncomment the following lines
--['<CR>'] = cmp.mapping.confirm { select = true }, -- --['<CR>'] = cmp.mapping.confirm { select = true },
--['<Tab>'] = cmp.mapping.select_next_item(), -- --['<Tab>'] = cmp.mapping.select_next_item(),
--['<S-Tab>'] = cmp.mapping.select_prev_item(), -- --['<S-Tab>'] = cmp.mapping.select_prev_item(),
--
-- Manually trigger a completion from nvim-cmp. -- -- Manually trigger a completion from nvim-cmp.
-- Generally you don't need this, because nvim-cmp will display -- -- Generally you don't need this, because nvim-cmp will display
-- completions whenever it has completion options available. -- -- completions whenever it has completion options available.
['<C-Space>'] = cmp.mapping.complete {}, -- ['<C-Space>'] = cmp.mapping.complete {},
--
-- Think of <c-l> as moving to the right of your snippet expansion. -- -- Think of <c-l> as moving to the right of your snippet expansion.
-- So if you have a snippet that's like: -- -- So if you have a snippet that's like:
-- function $name($args) -- -- function $name($args)
-- $body -- -- $body
-- end -- -- end
-- -- --
-- <c-l> will move you to the right of each of the expansion locations. -- -- <c-l> will move you to the right of each of the expansion locations.
-- <c-h> is similar, except moving you backwards. -- -- <c-h> is similar, except moving you backwards.
['<C-l>'] = cmp.mapping(function() -- ['<C-l>'] = cmp.mapping(function()
if luasnip.expand_or_locally_jumpable() then -- if luasnip.expand_or_locally_jumpable() then
luasnip.expand_or_jump() -- luasnip.expand_or_jump()
end -- end
end, { 'i', 's' }), -- end, { 'i', 's' }),
['<C-h>'] = cmp.mapping(function() -- ['<C-h>'] = cmp.mapping(function()
if luasnip.locally_jumpable(-1) then -- if luasnip.locally_jumpable(-1) then
luasnip.jump(-1) -- luasnip.jump(-1)
end -- end
end, { 'i', 's' }), -- end, { 'i', 's' }),
--
-- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see: -- -- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
-- https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps -- -- https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
}, -- },
sources = { -- sources = {
{ -- {
name = 'lazydev', -- name = 'lazydev',
-- set group index to 0 to skip loading LuaLS completions as lazydev recommends it -- -- set group index to 0 to skip loading LuaLS completions as lazydev recommends it
group_index = 0, -- group_index = 0,
}, -- },
{ name = 'nvim_lsp' }, -- { name = 'nvim_lsp' },
{ name = 'luasnip' }, -- { name = 'luasnip' },
{ name = 'path' }, -- { name = 'path' },
{ name = 'nvim_lsp_signature_help' }, -- { name = 'nvim_lsp_signature_help' },
}, -- },
} -- }
end, -- end,
}, -- },
{ -- You can easily change to a different colorscheme. { -- You can easily change to a different colorscheme.
-- Change the name of the colorscheme plugin below, and then -- Change the name of the colorscheme plugin below, and then