mirror of
https://github.com/oxalica/nil.git
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103 lines
2.9 KiB
Nix
103 lines
2.9 KiB
Nix
# This file provides a configured neovim for debugging the LSP.
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# Run `nvim` inside the shell to test.
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# Env vars:
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# - `NIL_PATH`: The path to "nil" LSP binary. Default: `target/debug/nil`
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# - `NIL_LOG_PATH`: Where to redirect LSP's stderr. Default: `/tmp/nil.log`
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{ pkgs ? import <nixpkgs> { } }:
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let
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neovim = pkgs.neovim.override {
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withPython = false;
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withRuby = false;
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configure = {
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customRC = ''
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lua <<EOF
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${luaRc}
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EOF
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'';
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packages.myPlugins.start = with pkgs.vimPlugins; [
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vim-nix # File type and syntax highlighting.
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luasnip
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nvim-cmp
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cmp_luasnip
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cmp-nvim-lsp
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nvim-lspconfig
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];
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};
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};
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# lua
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luaRc = ''
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-- Make it easier to use.
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vim.o.mouse = 'a'
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vim.o.number = true
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vim.o.cursorline = true
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vim.o.laststatus = 2 -- Always show statusline.
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vim.o.statusline =
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'%<%f %m%r%y %LL ' ..
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'%=' ..
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' 0x%-4.B %-16.(%lL,%cC%V,%oB%) %P'
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local cmp = require('cmp')
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cmp.setup {
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snippet = {
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expand = function(args)
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require('luasnip').lsp_expand(args.body)
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end,
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},
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mapping = {
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['<C-p>'] = cmp.mapping.select_prev_item(),
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['<C-n>'] = cmp.mapping.select_next_item(),
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['<C-space>'] = cmp.mapping.complete(),
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['<C-e>'] = cmp.mapping.close(),
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['<tab>'] = cmp.mapping.confirm { select = true },
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},
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sources = cmp.config.sources({
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{ name = 'nvim_lsp' },
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{ name = 'luasnip' },
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}),
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}
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local lsp_mappings = {
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{ 'gD', 'vim.lsp.buf.declaration()' },
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{ 'gd', 'vim.lsp.buf.definition()' },
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{ 'gi', 'vim.lsp.buf.implementation()' },
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{ 'gr', 'vim.lsp.buf.references()' },
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{ '[d', 'vim.diagnostic.goto_prev()' },
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{ ']d', 'vim.diagnostic.goto_next()' },
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{ '<space><space>', 'vim.lsp.buf.hover()' },
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{ '<space>s', 'vim.lsp.buf.signature_help()' },
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{ '<space>r', 'vim.lsp.buf.rename()' },
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{ '<space>a', 'vim.lsp.buf.code_action()' },
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{ '<space>d', 'vim.diagnostic.open_float()' },
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{ '<space>q', 'vim.diagnostic.setloclist()' },
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}
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for i, lr in pairs(lsp_mappings) do
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vim.api.nvim_set_keymap('n', lr[1], '<cmd>lua ' .. lr[2] .. '<cr>', { noremap = true, silent = true })
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end
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-- https://github.com/neovim/nvim-lspconfig/wiki/Autocompletion
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local caps = vim.lsp.protocol.make_client_capabilities()
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caps = require('cmp_nvim_lsp').update_capabilities(caps)
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local lsp_path = vim.env.NIL_PATH or 'target/debug/nil'
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local log_path = vim.env.NIL_LOG_PATH or '/tmp/nil.log'
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require('lspconfig').rnix.setup {
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autostart = true,
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capabilities = caps,
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cmd = {
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'${pkgs.bash}/bin/bash', '-c',
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vim.fn.shellescape(lsp_path) .. ' 2>>' .. vim.fn.shellescape(log_path),
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},
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}
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'';
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in
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pkgs.mkShell {
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packages = [
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neovim
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];
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}
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