ccls working as intended

10 files changed, 483 insertions, 0 deletions

diff --git a/lua/user/cmp.lua b/lua/user/cmp.lua
new file mode 100644
index 0000000..5a005e8
--- /dev/null
+++ b/lua/user/cmp.lua
@@ -0,0 +1,130 @@
+local cmp_status_ok, cmp = pcall(require, "cmp")
+if not cmp_status_ok then
+    return
+end
+
+local snip_status_ok, luasnip = pcall(require, "luasnip")
+if not snip_status_ok then
+    return
+end
+
+
+local check_backspace = function()
+    local col = vim.fn.col "." - 1
+    return col == 0 or vim.fn.getline("."):sub(col, col):match "%s"
+end
+
+--   פּ ﯟ   some other good icons
+local kind_icons = {
+    Text = "",
+    Method = "m",
+    Function = "",
+    Constructor = "",
+    Field = "",
+    Variable = "",
+    Class = "",
+    Interface = "",
+    Module = "",
+    Property = "",
+    Unit = "",
+    Value = "",
+    Enum = "",
+    Keyword = "",
+    Snippet = "",
+    Color = "",
+    File = "",
+    Reference = "",
+    Folder = "",
+    EnumMember = "",
+    Constant = "",
+    Struct = "",
+    Event = "",
+    Operator = "",
+    TypeParameter = "",
+}
+-- find more here: https://www.nerdfonts.com/cheat-sheet
+
+cmp.setup {
+    snippet = {
+        expand = function(args)
+            luasnip.lsp_expand(args.body) -- For `luasnip` users.
+    end,
+    },
+    mapping = {
+        ["<C-k>"] = cmp.mapping.select_prev_item(),
+        ["<C-j>"] = cmp.mapping.select_next_item(),
+        ["<C-b>"] = cmp.mapping(cmp.mapping.scroll_docs(-1), { "i", "c" }),
+        ["<C-f>"] = cmp.mapping(cmp.mapping.scroll_docs(1), { "i", "c" }),
+        ["<C-Space>"] = cmp.mapping(cmp.mapping.complete(), { "i", "c" }),
+        ["<C-y>"] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
+        ["<C-e>"] = cmp.mapping {
+            i = cmp.mapping.abort(),
+            c = cmp.mapping.close(),
+        },
+        -- Accept currently selected item. If none selected, `select` first item.
+        -- Set `select` to `false` to only confirm explicitly selected items.
+        ["<CR>"] = cmp.mapping.confirm { select = true },
+        ["<Tab>"] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+                cmp.select_next_item()
+            elseif luasnip.expandable() then
+                luasnip.expand()
+            elseif luasnip.expand_or_jumpable() then
+                luasnip.expand_or_jump()
+            elseif check_backspace() then
+                fallback()
+            else
+                fallback()
+            end
+        end, {
+            "i",
+            "s",
+        }),
+        ["<S-Tab>"] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+                cmp.select_prev_item()
+            elseif luasnip.jumpable(-1) then
+                luasnip.jump(-1)
+            else
+                fallback()
+            end
+        end, {
+            "i",
+            "s",
+        }),
+    },
+    formatting = {
+    fields = { "kind", "abbr", "menu" },
+    format = function(entry, vim_item)
+        -- Kind icons
+        vim_item.kind = string.format("%s", kind_icons[vim_item.kind])
+        -- vim_item.kind = string.format('%s %s', kind_icons[vim_item.kind], vim_item.kind) -- This concatonates the icons with the name of the item kind
+        vim_item.menu = ({
+            nvim_lsp = "[LSP]",
+            luasnip = "[Snippet]",
+            buffer = "[Buffer]",
+            path = "[Path]",
+            nvim_lua = "[NVIM_LUA]",
+        })[entry.source.name]
+        return vim_item
+    end,
+    },
+    sources = {
+        { name = "nvim_lsp" },
+        { name = "luasnip" },
+        { name = "buffer" },
+        { name = "path" },
+        { name = "nvim-lua" },
+    },
+    confirm_opts = {
+        behavior = cmp.ConfirmBehavior.Replace,
+        select = false,
+    },
+    documentation = {
+        border = { "╭", "─", "╮", "│", "╯", "─", "╰", "│" },
+    },
+        experimental = {
+        ghost_text = false,
+        native_menu = false,
+    },
+}
diff --git a/lua/user/keymaps.lua b/lua/user/keymaps.lua
new file mode 100644
index 0000000..be9bb45
--- /dev/null
+++ b/lua/user/keymaps.lua
@@ -0,0 +1,68 @@
+local opts = { noremap = true, silent = true }
+
+local term_opts = { silent = true }
+
+-- Shorten function name
+local keymap = vim.api.nvim_set_keymap
+
+--Remap space as leader key
+keymap("", "<Space>", "<Nop>", opts)
+vim.g.mapleader = " "
+vim.g.maplocalleader = " "
+
+-- Modes
+--   normal_mode = "n",
+--   insert_mode = "i",
+--   visual_mode = "v",
+--   visual_block_mode = "x",
+--   term_mode = "t",
+--   command_mode = "c",
+
+-- Normal --
+-- Better window navigation
+keymap("n", "<C-h>", "<C-w>h", opts)
+keymap("n", "<C-j>", "<C-w>j", opts)
+keymap("n", "<C-k>", "<C-w>k", opts)
+keymap("n", "<C-l>", "<C-w>l", opts)
+
+-- Resize with arrows
+keymap("n", "<C-Up>", ":resize -2<CR>", opts)
+keymap("n", "<C-Down>", ":resize +2<CR>", opts)
+keymap("n", "<C-Left>", ":vertical resize -2<CR>", opts)
+keymap("n", "<C-Right>", ":vertical resize +2<CR>", opts)
+
+-- Navigate buffers
+keymap("n", "<S-l>", ":bnext<CR>", opts)
+keymap("n", "<S-h>", ":bprevious<CR>", opts)
+
+-- Move text up and down
+keymap("n", "<A-j>", "<Esc>:m .+1<CR>==gi", opts)
+keymap("n", "<A-k>", "<Esc>:m .-2<CR>==gi", opts)
+
+-- Insert --
+-- Press jk fast to enter
+-- keymap("i", "jk", "<ESC>", opts)
+
+-- Visual --
+-- Stay in indent mode
+keymap("v", "<", "<gv", opts)
+keymap("v", ">", ">gv", opts)
+
+-- Move text up and down
+keymap("v", "<A-j>", ":m .+1<CR>==", opts)
+keymap("v", "<A-k>", ":m .-2<CR>==", opts)
+keymap("v", "p", '"_dP', opts)
+
+-- Visual Block --
+-- Move text up and down
+keymap("x", "J", ":move '>+1<CR>gv-gv", opts)
+keymap("x", "K", ":move '<-2<CR>gv-gv", opts)
+keymap("x", "<A-j>", ":move '>+1<CR>gv-gv", opts)
+keymap("x", "<A-k>", ":move '<-2<CR>gv-gv", opts)
+
+-- Terminal --
+-- Better terminal navigation
+-- keymap("t", "<C-h>", "<C-\\><C-N><C-w>h", term_opts)
+-- keymap("t", "<C-j>", "<C-\\><C-N><C-w>j", term_opts)
+-- keymap("t", "<C-k>", "<C-\\><C-N><C-w>k", term_opts)
+-- keymap("t", "<C-l>", "<C-\\><C-N><C-w>l", term_opts)
diff --git a/lua/user/lsp/handlers.lua b/lua/user/lsp/handlers.lua
new file mode 100644
index 0000000..76b4572
--- /dev/null
+++ b/lua/user/lsp/handlers.lua
@@ -0,0 +1,104 @@
+local M = {}
+
+-- TODO: backfill this to template
+M.setup = function()
+    local signs = {
+        { name = "DiagnosticSignError", text = "" },
+        { name = "DiagnosticSignWarn", text = "" },
+        { name = "DiagnosticSignHint", text = "" },
+        { name = "DiagnosticSignInfo", text = "" },
+    }
+
+    for _, sign in ipairs(signs) do
+        vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = "" })
+    end
+
+    local config = {
+        -- disable virtual text
+        virtual_text = false,
+        -- show signs
+        signs = {
+            active = signs,
+        },
+        update_in_insert = true,
+        underline = true,
+        severity_sort = true,
+        float = {
+            focusable = false,
+            style = "minimal",
+            border = "rounded",
+            source = "always",
+            header = "",
+            prefix = "",
+        },
+    }
+
+    vim.diagnostic.config(config)
+
+    vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, {
+        border = "rounded",
+    })
+
+    vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
+        border = "rounded",
+    })
+end
+
+local function lsp_highlight_document(client)
+    -- Set autocommands conditional on server_capabilities
+    if client.resolved_capabilities.document_highlight then
+        vim.api.nvim_exec(
+            [[
+            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
+
+local function lsp_keymaps(bufnr)
+    local opts = { noremap = true, silent = true }
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>", opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "gd", "<cmd>lua vim.lsp.buf.definition()<CR>", opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "K", "<cmd>lua vim.lsp.buf.hover()<CR>", opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "<C-k>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
+    -- vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>rn", "<cmd>lua vim.lsp.buf.rename()<CR>", opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "gr", "<cmd>lua vim.lsp.buf.references()<CR>", opts)
+    -- vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>ca", "<cmd>lua vim.lsp.buf.code_action()<CR>", opts)
+    -- vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>f", "<cmd>lua vim.diagnostic.open_float()<CR>", opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "[d", '<cmd>lua vim.diagnostic.goto_prev({ border = "rounded" })<CR>', opts)
+    vim.api.nvim_buf_set_keymap(
+        bufnr,
+        "n",
+        "gl",
+        '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics({ border = "rounded" })<CR>',
+        opts
+    )
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "]d", '<cmd>lua vim.diagnostic.goto_next({ border = "rounded" })<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>q", "<cmd>lua vim.diagnostic.setloclist()<CR>", opts)
+    vim.cmd [[ command! Format execute 'lua vim.lsp.buf.formatting()' ]]
+end
+
+M.on_attach = function(client, bufnr)
+    if client.name == "tsserver" then
+        client.resolved_capabilities.document_formatting = false
+    end
+    lsp_keymaps(bufnr)
+    lsp_highlight_document(client)
+end
+
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+
+local status_ok, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
+if not status_ok then
+    return
+end
+
+M.capabilities = cmp_nvim_lsp.update_capabilities(capabilities)
+
+return M
diff --git a/lua/user/lsp/init.lua b/lua/user/lsp/init.lua
new file mode 100644
index 0000000..c218647
--- /dev/null
+++ b/lua/user/lsp/init.lua
@@ -0,0 +1,9 @@
+local status_ok, _ = pcall(require, "lspconfig")
+if not status_ok then
+    return
+end
+
+require "user.lsp.lsp-installer"
+require("user.lsp.handlers").setup()
+
+require "user.lsp.settings.ccls"
diff --git a/lua/user/lsp/lsp-installer.lua b/lua/user/lsp/lsp-installer.lua
new file mode 100644
index 0000000..18490ce
--- /dev/null
+++ b/lua/user/lsp/lsp-installer.lua
@@ -0,0 +1,28 @@
+local status_ok, lsp_installer = pcall(require, "nvim-lsp-installer")
+if not status_ok then
+    return
+end
+
+-- Register a handler that will be called for all installed servers.
+-- Alternatively, you may also register handlers on specific server instances instead (see example below).
+lsp_installer.on_server_ready(function(server)
+    local opts = {
+        on_attach = require("user.lsp.handlers").on_attach,
+        capabilities = require("user.lsp.handlers").capabilities,
+    }
+
+    if server.name == "bashls" then
+        local bashls_opts = require("user.lsp.settings.bashls")
+        opts = vim.tbl_deep_extend("force", bashls_opts, opts)
+    end
+
+    if server.name == "texlab" then
+        local texlab_opts = require("user.lsp.settings.texlab")
+        opts = vim.tbl_deep_extend("force", texlab_opts, opts)
+    end
+
+
+    -- This setup() function is exactly the same as lspconfig's setup function.
+    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
+    server:setup(opts)
+end)
diff --git a/lua/user/lsp/settings/bashls.lua b/lua/user/lsp/settings/bashls.lua
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lua/user/lsp/settings/bashls.lua
diff --git a/lua/user/lsp/settings/ccls.lua b/lua/user/lsp/settings/ccls.lua
new file mode 100644
index 0000000..d663f7c
--- /dev/null
+++ b/lua/user/lsp/settings/ccls.lua
@@ -0,0 +1,34 @@
+local status, lspconfig = pcall(require, "lspconfig")
+if not status then
+    return
+end
+
+
+vim.notify(vim.fn.expand('%:p'));
+local extraArgs_opt = {};
+
+if string.match(vim.fn.expand('%:p'),"/home/aleksa/mygit/mykernel/") then
+    extraArgs_opt = { "--sysroot=/home/aleksa/mygit/mykernel/sysroot", "--gcc-toolchain=/usr/bin/i686-elf-gcc", "-ffreestanding", "-nobuiltininc"};
+else
+end
+
+
+lspconfig.ccls.setup {
+    on_attach = on_attach,
+    flags = {
+        debounce_text_changes = 150,
+    };
+    init_options = {
+    compilationDatabaseDirectory = "build";
+    cache = {
+       directory = "/tmp/ccls-cache";
+    };
+    index = {
+        threads = 0;
+    };
+    clang = {
+        excludeArgs = { "-frounding-math"};
+        extraArgs = extraArgs_opt;
+        }
+    };
+}
diff --git a/lua/user/lsp/settings/texlab.lua b/lua/user/lsp/settings/texlab.lua
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/lua/user/lsp/settings/texlab.lua
diff --git a/lua/user/options.lua b/lua/user/options.lua
new file mode 100644
index 0000000..a15e0e4
--- /dev/null
+++ b/lua/user/options.lua
@@ -0,0 +1,51 @@
+local options = {
+    backup = false,                          -- creates a backup file
+    clipboard = "unnamedplus",               -- allows neovim to access the system clipboard
+    cmdheight = 2,                           -- more space in the neovim command line for displaying messages
+    completeopt = { "menuone", "noselect" }, -- mostly just for cmp
+    conceallevel = 0,                        -- so that `` is visible in markdown files
+    fileencoding = "utf-8",                  -- the encoding written to a fie
+    hlsearch = true,                         -- highlight all matches on previous search pattern
+    ignorecase = true,                       -- ignore case in search patterns
+    -- mouse = "a",                          -- allow the mouse to be used in neovim
+    pumheight = 10,                          -- pop up menu height
+    showmode = false,                        -- we don't need to see things like -- INSERT -- anymore
+    showtabline = 2,                         -- always show tabs
+    smartcase = true,                        -- smart case
+    smartindent = true,                      -- make indenting smarter again
+    splitbelow = true,                       -- force all horizontal splits to go below current window
+    splitright = true,                       -- force all vertical splits to go to the right of current window
+    swapfile = false,                        -- creates a swapfile
+    -- termguicolors = true,                 -- set term gui colors (most terminals support this)
+    timeoutlen = 100,                        -- time to wait for a mapped sequence to complete (in milliseconds)
+    undofile = true,                         -- enable persistent undo
+    updatetime = 300,                        -- faster completion (4000ms default)
+    writebackup = false,                     -- if a file is being edited by another program (or was written to file while editing with another program), it is not allowed to be edited
+    expandtab = true,                        -- convert tabs to spaces
+    shiftwidth = 4,                          -- the number of spaces inserted for each indentation
+    tabstop = 4,                             -- insert 4 spaces for a tab
+    preserveindent = true,
+    softtabstop = 0,
+    cursorline = true,                       -- highlight the current line
+    number = true,                           -- set numbered lines
+    relativenumber = true,                   -- set relative numbered lines
+    numberwidth = 4,                         -- set number column width to 2 {default 4}
+    signcolumn = "yes",                      -- always show the sign column, otherwise it would shift the text each time
+    wrap = false,                            -- display lines as one long line
+    scrolloff = 8,                           -- is one of my fav
+    sidescrolloff = 8,
+    guifont = "monospace:h17",               -- the font used in graphical neovim applications
+}
+
+vim.opt.shortmess:append "c"
+
+for k, v in pairs(options) do
+    vim.opt[k] = v
+end
+
+-- vim.cmd "set whichwrap+=<,>,[,],h,l"
+vim.cmd [[set iskeyword+=-]]
+vim.cmd [[set formatoptions-=cro]] -- TODO: this doesn't seem to work
+
+-- Open a file from its last left off position
+vim.cmd [[ au BufReadPost * if expand('%:p') !~# '\m/\.git/' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif ]]
diff --git a/lua/user/plugins.lua b/lua/user/plugins.lua
new file mode 100644
index 0000000..d1e7c69
--- /dev/null
+++ b/lua/user/plugins.lua
@@ -0,0 +1,59 @@
+local fn = vim.fn
+local install_path = fn.stdpath("data").."/site/pack/packer/start/packer.nvim"
+if fn.empty(fn.glob(install_path)) > 0 then
+    packer_bootstrap = fn.system({"git", "clone", "--depth", "1", "https://github.com/wbthomason/packer.nvim", install_path})
+    vim.cmd [[packadd packer.nvim]]
+end
+
+-- Autocommand that reloads neovim whenever you save the plugins.lua file
+vim.cmd([[
+    augroup packer_user_config
+        autocmd!
+        autocmd BufWritePost plugins.lua source <afile> | PackerSync
+    augroup end
+]])
+
+local status, packer = pcall(require, "packer")
+if not status then
+    return
+end
+
+packer.init {
+    display = {
+        open_fn = function()
+            return require("packer.util").float { border = "rounded" }
+        end,
+    },
+}
+
+return packer.startup(function(use)
+-- Packer
+    use "wbthomason/packer.nvim"
+
+-- cmp
+    use "hrsh7th/nvim-cmp"
+    use "saadparwaiz1/cmp_luasnip"
+    use "hrsh7th/cmp-nvim-lsp"
+    use "hrsh7th/cmp-buffer"
+    use "hrsh7th/cmp-path"
+    use "hrsh7th/cmp-cmdline"
+    use "hrsh7th/cmp-nvim-lua"
+
+-- snippets
+    use "L3MON4D3/LuaSnip"
+
+-- LSP
+    use "neovim/nvim-lspconfig"
+    use "williamboman/nvim-lsp-installer"
+
+-- Other
+    use "kyazdani42/nvim-web-devicons"
+    use "kyazdani42/nvim-tree.lua"
+    use "akinsho/bufferline.nvim"
+
+    -- Automatically set up your configuration after cloning packer.nvim
+    -- Put this at the end after all plugins
+    if packer_bootstrap then
+        require("packer").sync()
+    end
+end)