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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', '<C-]>', '<Cmd>lua vim.lsp.buf.definition()<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', '[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)
buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
-- Show diagnostic automatically when cursor is on hold.
vim.api.nvim_command('autocmd CursorHold <buffer> lua vim.lsp.diagnostic.show_line_diagnostics({focusable=false})')
-- Set some keybinds conditional on server capabilities
if client.resolved_capabilities.document_formatting then
buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
end
if client.resolved_capabilities.document_range_formatting then
buf_set_keymap("x", "<space>f", "<cmd>lua vim.lsp.buf.range_formatting()<CR><ESC>", opts)
end
-- The blow command will highlight the current variable and its usages in the buffer.
if client.resolved_capabilities.document_highlight then
vim.api.nvim_exec([[
hi link LspReferenceRead Visual
hi link LspReferenceText Visual
hi link LspReferenceWrite Visual
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
local msg = string.format('Language server %s started!' , client.name)
vim.api.nvim_echo({{msg, 'MoreMsg'}, }, false, {})
end
local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.snippetSupport = true
local lspconfig = require("lspconfig")
lspconfig.pylsp.setup{
on_attach = on_attach,
settings = {
pylsp = {
plugins = {
pylint = {enabled = true, executable = "pylint"},
pyflakes = {enabled = false},
pycodestyle = {enabled = false},
jedi_completion = {fuzzy = true},
pyls_isort = {enabled = true},
pylsp_mypy = {enabled = true}
}
}
},
flags = {
debounce_text_changes = 200,
}
}
-- lspconfig.pyright.setup{
-- on_attach = on_attach,
-- }
lspconfig.clangd.setup{
on_attach = on_attach,
capabilities = capabilities,
filetypes = { "c", "cpp", "cc" },
flags = {
debounce_text_changes = 500,
}
}
-- set up vim-language-server
lspconfig.vimls.setup{
on_attach = on_attach,
flags = {
debounce_text_changes = 500,
}
}
-- Change diagnostic signs.
vim.fn.sign_define('LspDiagnosticsSignError', { text = "✗", texthl = "LspDiagnosticsDefaultError" })
vim.fn.sign_define('LspDiagnosticsSignWarning', { text = "!", texthl = "LspDiagnosticsDefaultWarning" })
vim.fn.sign_define('LspDiagnosticsSignInformation', { text = "", texthl = "LspDiagnosticsDefaultInformation" })
vim.fn.sign_define('LspDiagnosticsSignHint', { text = "", texthl = "LspDiagnosticsDefaultHint" })
vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
vim.lsp.diagnostic.on_publish_diagnostics, {
underline = false,
virtual_text = false,
signs = true,
update_in_insert = false,
}
)
-- Refs: https://github.com/neovim/nvim-lspconfig/wiki/UI-customization#show-source-in-diagnostics
vim.lsp.handlers["textDocument/publishDiagnostics"] =
function(_, _, params, client_id, _)
local uri = params.uri
local bufnr = vim.uri_to_bufnr(uri)
if not bufnr then
return
end
if not vim.api.nvim_buf_is_loaded(bufnr) then
return
end
local diagnostics = params.diagnostics
for i, v in ipairs(diagnostics) do
diagnostics[i].message = string.format("%s: %s", v.source, v.message)
end
vim.lsp.diagnostic.save(diagnostics, bufnr, client_id)
local config = {
underline = false,
virtual_text = false,
signs = true,
update_in_insert = false,
}
vim.lsp.diagnostic.display(diagnostics, bufnr, client_id, config)
end
-- The following settings works with the bleeding edge neovim.
-- See https://github.com/neovim/neovim/pull/13998.
vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(
vim.lsp.handlers.hover, {
border = {
{"╭", "FloatBorder"},
{"─", "FloatBorder"},
{"╮", "FloatBorder"},
{"│", "FloatBorder"},
{"╯", "FloatBorder"},
{"─", "FloatBorder"},
{"╰", "FloatBorder"},
{"│", "FloatBorder"}
}
}
)
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