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-- Native LSP and automatic completion for Neovim 0.12/0.13.
-- Requires nvim-lspconfig only for its server presets in runtimepath.
-- No nvim-cmp, cmp-nvim-lsp, lspkind, or vsnip required.
vim.opt.autocomplete = true
vim.opt.complete = 'o'
vim.opt.completeopt = { 'menu', 'menuone', 'noselect', 'popup' }
vim.opt.shortmess:append('c')
-- Keep the old LSP bindings; all are buffer-local.
local function map(buf, lhs, rhs, desc)
vim.keymap.set('n', lhs, rhs, { buffer = buf, silent = true, desc = desc })
end
local group = vim.api.nvim_create_augroup('UserNativeLsp', { clear = true })
vim.api.nvim_create_autocmd('LspAttach', {
group = group,
callback = function(args)
local bufnr = args.buf
local client = vim.lsp.get_client_by_id(args.data.client_id)
if not client then return end
-- Completion requests are sent automatically while typing, without cmp.
-- C-n/C-p move through suggestions; C-y accepts one; C-e dismisses.
if client:supports_method('textDocument/completion') then
vim.lsp.completion.enable(true, client.id, bufnr, { autotrigger = true })
end
map(bufnr, '<leader>rn', vim.lsp.buf.rename, 'LSP rename')
map(bufnr, '<leader>ca', vim.lsp.buf.code_action, 'LSP code action')
map(bufnr, '<M-k>', vim.lsp.buf.hover, 'LSP hover')
map(bufnr, 'g0', vim.lsp.buf.document_symbol, 'Document symbols')
map(bufnr, 'gW', vim.lsp.buf.workspace_symbol, 'Workspace symbols')
map(bufnr, 'gd', vim.lsp.buf.definition, 'Go to definition')
map(bufnr, 'gD', vim.lsp.buf.declaration, 'Go to declaration')
map(bufnr, 'gi', vim.lsp.buf.implementation, 'Go to implementation')
map(bufnr, 'gr', vim.lsp.buf.references, 'Find references')
map(bufnr, '<C-k>', vim.lsp.buf.signature_help, 'Signature help')
map(bufnr, 'g<Space>', vim.lsp.buf.type_definition, 'Type definition')
map(bufnr, '[d', function() vim.diagnostic.jump({ count = -1 }) end, 'Previous diagnostic')
map(bufnr, ']d', function() vim.diagnostic.jump({ count = 1 }) end, 'Next diagnostic')
vim.bo[bufnr].omnifunc = 'v:lua.vim.lsp.omnifunc'
vim.opt_local.signcolumn = 'yes'
if client:supports_method('textDocument/documentHighlight') then
-- Per-buffer autocommands, shared across clients to avoid duplicates.
local hlgroup = vim.api.nvim_create_augroup('UserLspHighlight' .. bufnr, { clear = true })
vim.api.nvim_create_autocmd({ 'CursorHold', 'CursorHoldI' }, {
group = hlgroup, buffer = bufnr, callback = vim.lsp.buf.document_highlight,
})
vim.api.nvim_create_autocmd({ 'CursorMoved', 'InsertLeave' }, {
group = hlgroup, buffer = bufnr, callback = vim.lsp.buf.clear_references,
})
end
end,
})
vim.diagnostic.config({
signs = {
text = {
[vim.diagnostic.severity.ERROR] = '✘',
[vim.diagnostic.severity.WARN] = '▲',
[vim.diagnostic.severity.INFO] = '●',
[vim.diagnostic.severity.HINT] = '◆'
}
},
underline = true,
severity_sort = true,
})
-- nvim-lspconfig's modern lsp/*.lua presets supply cmd, filetypes and root detection.
-- Only list your desired servers and their overrides here.
local servers = {
bashls = { filetypes = { 'bash', 'sh' } },
clangd = { filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda' } },
mlir = {},
jqls = {},
lua_ls = {
settings = {
Lua = {
runtime = { version = 'LuaJIT' },
workspace = { checkThirdParty = false, library = { vim.env.VIMRUNTIME } },
},
},
},
ocamllsp = {},
perlpls = {},
rust_analyzer = {},
verible = {},
vimls = {},
zls = {},
texlab = {},
hls = { settings = { haskell = { plugin = { semanticTokens = { globalOn = true } } } } },
pylsp = { settings = { pylsp = { plugins = { pycodestyle = { enabled = false } } } } },
}
for name, overrides in pairs(servers) do
vim.lsp.config(name, overrides)
vim.lsp.enable(name)
end
vim.keymap.set('i', '<Tab>', function()
if vim.fn.pumvisible() == 1 then
return '<C-y>'
end
return '<Tab>'
end, { expr = true, desc = 'Accept completion or insert Tab' })
local fallbacks = {
Pmenu = 'NormalFloat',
PmenuSel = 'Visual',
PmenuKind = 'Type',
PmenuKindSel = 'Type',
PmenuExtra = 'Comment',
PmenuExtraSel = 'Comment',
PmenuMatch = 'Identifier',
PmenuMatchSel = 'Identifier',
PmenuBorder = 'FloatBorder',
}
local function apply_fallbacks()
for group, target in pairs(fallbacks) do
local hl = vim.api.nvim_get_hl(0, { name = group, link = true })
if vim.tbl_isempty(hl) or hl.link == 'Pmenu' then
vim.api.nvim_set_hl(0, group, { link = target })
end
end
end
vim.api.nvim_create_autocmd('ColorScheme', {
callback = apply_fallbacks,
})
apply_fallbacks()
vim.opt.pumheight = 12
vim.opt.pummaxwidth = 70
vim.opt.pumblend = 0
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