From 047ea7318b352692b0c2cb49590d75ea1588c148 Mon Sep 17 00:00:00 2001
From: Matthew Wozniak <sirtomato999@gmail.com>
Date: Fri, 29 Dec 2023 19:39:37 -0500
Subject: new config

---
 after/plugin/lsp.lua | 120 ++++++++++++++++++++++++++++++---------------------
 1 file changed, 71 insertions(+), 49 deletions(-)

(limited to 'after/plugin/lsp.lua')

diff --git a/after/plugin/lsp.lua b/after/plugin/lsp.lua
index cfb10e8..7722c1e 100644
--- a/after/plugin/lsp.lua
+++ b/after/plugin/lsp.lua
@@ -1,59 +1,81 @@
-local lsp = require("lsp-zero")
+-- Setup autocomplete/LSP clients
+local lspconfig = require('lspconfig')
+local lsp_capabilities = require('cmp_nvim_lsp').default_capabilities()
 
-lsp.preset("recommended")
+local servers = {"clangd", "zls", "rust_analyzer", "lua_ls"}
+  for _, lsp in pairs(servers) do
+    lspconfig[lsp].setup {
+      capabilities = lsp_capabilities,
+      on_attach = onattach,
+      flags = {debounce_text_changes = 500}
+  }
+end
 
-lsp.setup_servers({
-  'clangd',
-  'rust_analyzer',
-  'lua_ls',
-})
+vim.api.nvim_create_autocmd('LspAttach', {
+  desc = 'LSP actions',
+  callback = function()
+    local bufmap = function(mode, lhs, rhs)
+      local opts = {buffer = true}
+      vim.keymap.set(mode, lhs, rhs, opts)
+    end
 
--- Fix Undefined global 'vim'
-lsp.nvim_workspace()
+    bufmap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>')
+    bufmap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>')
+    bufmap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>')
+    bufmap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>')
+    bufmap('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>')
+    bufmap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>')
+    bufmap('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<cr>')
+    bufmap('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>')
+    bufmap('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>')
+    bufmap('n', 'gl', '<cmd>lua vim.diagnostic.open_float()<cr>')
+    bufmap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
+    bufmap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')
+  end
+})
 
+require('luasnip.loaders.from_vscode').lazy_load()
 local cmp = require('cmp')
-local cmp_select = {behavior = cmp.SelectBehavior.Select}
-local cmp_mappings = lsp.defaults.cmp_mappings({
-  ['<C-p>'] = cmp.mapping.select_prev_item(cmp_select),
-  ['<C-n>'] = cmp.mapping.select_next_item(cmp_select),
-  ['<C-y>'] = cmp.mapping.confirm({ select = true }),
-  ["<C-Space>"] = cmp.mapping.complete(),
-})
+local luasnip = require('luasnip')
 
-cmp_mappings['<Tab>'] = nil
-cmp_mappings['<S-Tab>'] = nil
+local select_opts = {behavior = cmp.SelectBehavior.Select}
+cmp.setup({
+  formatting = {
+    fields = {'menu', 'abbr', 'kind'},
+    format = function(entry, item)
+      local menu_icon = {
+        nvim_lsp = 'λ',
+        luasnip = '⋗',
+        buffer = 'Ω',
+        path = '🖫',
+      }
+      item.menu = menu_icon[entry.source.name] 
+	  return item
+	end,
+  },
+  snippet = {
+    expand = function(args)
+      luasnip.lsp_expand(args.body)
+    end
+  },
+  sources = {
+    {name = 'path'},
+    {name = 'nvim_lsp', keyword_length = 1},
+    {name = 'buffer', keyword_length = 3},
+    {name = 'luasnip', keyword_length = 2},
+  },
+  mapping = {
+    ['<Up>'] = cmp.mapping.select_prev_item(select_opts),
+    ['<Down>'] = cmp.mapping.select_next_item(select_opts),
 
-lsp.setup_nvim_cmp({
-  mapping = cmp_mappings
-})
+    ['<C-p>'] = cmp.mapping.select_prev_item(select_opts),
+    ['<C-n>'] = cmp.mapping.select_next_item(select_opts),
 
-lsp.set_preferences({
-    suggest_lsp_servers = false,
-    sign_icons = {
-        error = 'E',
-        warn = 'W',
-        hint = 'H',
-        info = 'I'
-    }
-})
+    ['<C-u>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-d>'] = cmp.mapping.scroll_docs(4),
 
-lsp.on_attach(function(client, bufnr)
-  local opts = {buffer = bufnr, remap = false}
-
-  vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
-  vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
-  vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
-  vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
-  vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
-  vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
-  vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
-  vim.keymap.set("n", "<leader>vrr", function() vim.lsp.buf.references() end, opts)
-  vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
-  vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
-end)
-
-lsp.setup()
-
-vim.diagnostic.config({
-    virtual_text = true
+    ['<C-e>'] = cmp.mapping.abort(),
+    ['<C-y>'] = cmp.mapping.confirm({select = true}),
+    ['<CR>'] = cmp.mapping.confirm({select = false}),
+  },
 })
-- 
cgit v1.2.3-54-g00ecf