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local nvim_lsp = require('lspconfig')
local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.snippetSupport = true
local on_attach = function(client, bufnr)
local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
-- Mappings.
local opts = { noremap=true, silent=true }
buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
buf_set_keymap('n', 'ga', '<Cmd>lua vim.lsp.buf.code_action()<CR>', opts)
buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
-- Set some keybinds conditional on server capabilities
if client.resolved_capabilities.document_formatting then
buf_set_keymap("n", "ff", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
elseif client.resolved_capabilities.document_range_formatting then
buf_set_keymap("n", "ff", "<cmd>lua vim.lsp.buf.range_formatting()<CR>", opts)
end
-- Set autocommands conditional on server_capabilities
if client.resolved_capabilities.document_highlight then
vim.api.nvim_exec([[
hi LspReferenceRead cterm=bold ctermbg=DarkMagenta guibg=LightYellow
hi LspReferenceText cterm=bold ctermbg=DarkMagenta guibg=LightYellow
hi LspReferenceWrite cterm=bold ctermbg=DarkMagenta guibg=LightYellow
augroup lsp_document_highlight
autocmd! * <buffer>
autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
augroup END
]], false)
end
end
nvim_lsp.gopls.setup{
cmd = {'gopls'},
-- for postfix snippets and analyzers
capabilities = capabilities,
settings = {
gopls = {
experimentalPostfixCompletions = true,
analyses = {
unusedparams = true,
shadow = true,
},
staticcheck = true,
},
},
on_attach = on_attach,
}
function goimports(timeoutms)
local context = { source = { organizeImports = true } }
vim.validate { context = { context, "t", true } }
local params = vim.lsp.util.make_range_params()
params.context = context
-- See the implementation of the textDocument/codeAction callback
-- (lua/vim/lsp/handler.lua) for how to do this properly.
local result = vim.lsp.buf_request_sync(0, "textDocument/codeAction", params, timeout_ms)
if not result or next(result) == nil then return end
local actions = result[1].result
if not actions then return end
local action = actions[1]
-- textDocument/codeAction can return either Command[] or CodeAction[]. If it
-- is a CodeAction, it can have either an edit, a command or both. Edits
-- should be executed first.
if action.edit or type(action.command) == "table" then
if action.edit then
vim.lsp.util.apply_workspace_edit(action.edit)
end
if type(action.command) == "table" then
vim.lsp.buf.execute_command(action.command)
end
else
vim.lsp.buf.execute_command(action)
end
end
--vim.lsp.set_log_level("debug")
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