dotfiles.nix/home-manager/common/programs/nvim/config/lua/plugins/coding.lua

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return {
--
-- LSP Configuration
--
{
'neovim/nvim-lspconfig',
event = { 'BufReadPost', 'BufNewFile' },
dependencies = {
'hrsh7th/nvim-cmp', -- Autocompletion plugin
'hrsh7th/cmp-nvim-lsp', -- LSP source for nvim-cmp
'saadparwaiz1/cmp_luasnip', -- Snippets source for nvim-cmp
'L3MON4D3/LuaSnip', -- Snippets plugin
},
config = function ()
--
-- Setup language servers.
--
local lspconfig = require('lspconfig')
-- Lua
lspconfig.lua_ls.setup {
on_init = function(client)
local path = client.workspace_folders[1].name
if not vim.loop.fs_stat(path..'/.luarc.json') and not vim.loop.fs_stat(path..'/.luarc.jsonc') then
client.config.settings = vim.tbl_deep_extend('force', client.config.settings, {
Lua = {
runtime = {
-- Tell the language server which version of Lua you're using
-- (most likely LuaJIT in the case of Neovim)
version = 'LuaJIT'
},
-- Make the server aware of Neovim runtime files
workspace = {
checkThirdParty = false,
library = {
vim.env.VIMRUNTIME
-- "${3rd}/luv/library"
-- "${3rd}/busted/library",
}
-- or pull in all of 'runtimepath'. NOTE: this is a lot slower
-- library = vim.api.nvim_get_runtime_file("", true)
}
}
})
client.notify("workspace/didChangeConfiguration", { settings = client.config.settings })
end
return true
end
}
-- Haskell
lspconfig.hls.setup{
filetypes = { 'haskell', 'lhaskell', 'cabal' },
}
-- Nix
lspconfig.nil_ls.setup{}
--
-- Global mappings
--
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)
-- Use LspAttach autocommand to only map the following keys
-- after the language server attaches to the current buffer
vim.api.nvim_create_autocmd('LspAttach', {
group = vim.api.nvim_create_augroup('UserLspConfig', {}),
callback = function(ev)
-- Buffer local mappings.
-- See `:help vim.lsp.*` for documentation on any of the below functions
local opts = { buffer = ev.buf }
vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
vim.keymap.set('n', '<space>wl', function()
print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
end, opts)
vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
vim.keymap.set('n', '<space>f', function()
vim.lsp.buf.format { async = true }
end, opts)
end,
})
--
-- Autocompletion
--
-- Add additional capabilities supported by nvim-cmp
local capabilities = require("cmp_nvim_lsp").default_capabilities()
-- Enable some language servers with the additional completion capabilities offered by nvim-cmp
local servers = { 'clangd', 'rust_analyzer', 'pyright', 'tsserver' }
for _, lsp in ipairs(servers) do
lspconfig[lsp].setup {
-- on_attach = my_custom_on_attach,
capabilities = capabilities,
}
end
-- luasnip setup
local luasnip = require 'luasnip'
-- nvim-cmp setup
local cmp = require 'cmp'
cmp.setup {
snippet = {
expand = function(args)
luasnip.lsp_expand(args.body)
end,
},
mapping = cmp.mapping.preset.insert({
['<C-u>'] = cmp.mapping.scroll_docs(-4), -- Up
['<C-d>'] = cmp.mapping.scroll_docs(4), -- Down
-- C-b (back) C-f (forward) for snippet placeholder navigation.
['<C-Space>'] = cmp.mapping.complete(),
['<CR>'] = cmp.mapping.confirm {
behavior = cmp.ConfirmBehavior.Replace,
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 = {
{ name = 'nvim_lsp' },
{ name = 'luasnip' },
},
}
end
},
}