dotfiles/cli/vim/neovim/lua/plugins/lsp.lua
2022-07-06 22:50:45 +08:00

100 lines
3.9 KiB
Lua

local lspconfig_ok, lspconfig = pcall(require, "lspconfig")
if not lspconfig_ok then
return
end
local language_servers = { 'gopls' }
-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
-- Enable completion triggered by <c-x><c-o>
vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
-- Mappings.
-- See `:help vim.lsp.*` for documentation on any of the below functions
local bufopts = { noremap=true, silent=true, buffer=bufnr }
vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
vim.keymap.set('n', 'od', vim.lsp.buf.hover, bufopts)
vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
vim.keymap.set('n', '<space>wl', function()
print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
end, bufopts)
vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, bufopts)
vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action, bufopts)
vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
vim.keymap.set('n', 'fd', vim.lsp.buf.formatting, bufopts)
end
local capabilities = vim.lsp.protocol.make_client_capabilities()
local cmp_status_ok, cmp = pcall(require, "cmp")
if cmp_status_ok then
local cmp_nvim_lsp_status_ok, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
if cmp_nvim_lsp_status_ok then
capabilities = cmp_nvim_lsp.update_capabilities(capabilities)
end
end
for _, langsvr in ipairs(language_servers) do
lspconfig[langsvr].setup({
on_attach = on_attach,
capabilities = capabilities,
})
end
if not cmp_status_ok then
return
end
cmp.setup {
snippet = {
expand = function(args)
local luasnip_status_ok, luasnip = pcall(require, "luasnip")
if luasnip_status_ok then
luasnip.lsp_expand(args.body)
end
end,
},
mapping = cmp.mapping.preset.insert({
['<C-d>'] = cmp.mapping.scroll_docs(-4),
['<C-f>'] = cmp.mapping.scroll_docs(4),
['<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' },
{ name = 'buffer' },
{ name = 'path' },
},
}