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DEVenv/Installer/os_nvim_init.vim
doyle e57b552882 Sane nvim init page
2022-10-24 10:23:28 +11:00

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" Plugins
" ==============================================================================
call plug#begin(stdpath('config') . '/plugged')
" nerdtree provides a file tree explorer
" vim-dispatch allows running async jobs in vim (i.e. builds in the background)
Plug 'https://github.com/scrooloose/nerdtree', { 'on': 'NERDTreeToggle' }
Plug 'https://github.com/tpope/vim-dispatch'
Plug 'https://github.com/tpope/vim-fugitive'
" TODO: 2022-06-19 Treesitter is too slow on large C++ files
" Plug 'https://github.com/nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
Plug 'https://github.com/bfrg/vim-cpp-modern'
" Telescope file picker, sorter and previewer
Plug 'https://github.com/nvim-lua/plenary.nvim'
Plug 'https://github.com/nvim-telescope/telescope.nvim'
Plug 'nvim-telescope/telescope-fzf-native.nvim', { 'do': 'cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release && cmake --build build --config Release && cmake --install build --prefix build' }
" nvim-lspconfig sets up sane defaults for LSP servers (i.e. clangd)
" nvim-cmp is a more powerful autocomplete engine
" LuaSnip allow writing snippets into the buffer, we can power the snippets from LSP
" cmp-nvim-lsp preset capability flags to request more powerful autocomplete from LSP server
" cmp_luasnip a LuaSnip addon that provides a completion source to nvim-cmp
" cmp-buffer provides a buffer completion source to nvim-cmp
" cmp-path provides a path completion source to nvim-cmp
Plug 'https://github.com/neovim/nvim-lspconfig'
Plug 'https://github.com/hrsh7th/nvim-cmp'
Plug 'https://github.com/L3MON4D3/LuaSnip'
Plug 'https://github.com/hrsh7th/cmp-nvim-lsp'
Plug 'https://github.com/saadparwaiz1/cmp_luasnip'
Plug 'https://github.com/hrsh7th/cmp-buffer'
Plug 'https://github.com/hrsh7th/cmp-path'
" odin for syntax highlighting
Plug 'https://github.com/Tetralux/odin.vim'
Plug 'https://github.com/sainnhe/gruvbox-material'
" Lua cache to speed up load times
Plug 'https://github.com/lewis6991/impatient.nvim'
call plug#end()
" Lua Setup
" ==============================================================================
lua <<EOF
require('impatient')
require('telescope').load_extension('fzf')
require('telescope').setup {
defaults = {
layout_config = {
horizontal = { width = 0.95 }
},
mappings = {
i = {
["<C-j>"] = require('telescope.actions').move_selection_next,
["<C-k>"] = require('telescope.actions').move_selection_previous,
},
n = {
["<C-j>"] = require('telescope.actions').move_selection_next,
["<C-k>"] = require('telescope.actions').move_selection_previous,
},
},
},
pickers = {
find_files = {
find_command = { "fd", "--unrestricted", "--strip-cwd-prefix" }
},
}
}
-- Vim Options
-- ===========================================================================
vim.opt.autowrite=true -- Automatically save before cmds like :next and :prev
vim.opt.colorcolumn={80, 100} -- Set a 80 and 100 char column ruler
vim.opt.completeopt={'menu', 'menuone', 'noselect'}
vim.opt.cpoptions:append('$') -- $ as end marker for the change operator
vim.opt.cursorline=true -- Highlight current line
vim.opt.expandtab=true -- Replace tabs with spaces
vim.opt.guifont={'JetBrains_Mono:h9',
'Consolas:h9',
'InputMonoCondensed:h9'}
vim.opt.hlsearch=false -- Highlight just the first match on search
vim.opt.ignorecase=true -- Search is not case sensitive
vim.opt.linebreak=true -- On wrapped lines, break on the wrapping word intelligently
vim.opt.list=true -- Show the 'listchar' characters on trailing spaces, tabs e.t.c
vim.opt.listchars:append('tab:>-,trail:■,extends:»,precedes:«')
vim.opt.number=true -- Show line numbers
vim.opt.relativenumber=true -- Show relative line numbers
vim.opt.shiftwidth=4 -- Number of spaces for each autoindent step
vim.opt.splitright=true -- Open new splits to the right of the current one
vim.opt.swapfile=false -- Disable swapfile (stores the things changed in a file)
vim.opt.textwidth=80 -- On format, format to 80 char long lines
vim.opt.visualbell=true -- Flash the screen on error
vim.opt.wrap=false -- Don't wrap lines of text automatically
vim.diagnostic.config({
-- Turn off the diagnostics signs on the line number. In LSP mode, editing
-- a C++ buffer constantly toggles the sign column on and off as you change
-- modes which is very visually distracting.
signs = false,
})
-- Check if there were args (i.e. opened file), non-empty buffer, or started in insert mode
if vim.fn.argc() == 0 or vim.fn.line2byte("$") ~= -1 and not opt.insertmode then
local ascii = {
"",
" Useful Bindings (Normal Mode)",
" --------------------------------------------------",
" <ctrl+n> to open the file tree explorer",
" <ctrl+i> clang format selected lines",
" <ctrl+j> jump to next compilation error",
" <ctrl+k> jump to prev compilation error",
" <cd> change working directory to current file",
" <\\s> split buffer vertically",
" ",
" Telescope Bindings (Normal Mode)",
" --------------------------------------------------",
" <\\te> open telescope menu",
" <\\ta> search for symbol via tags",
" <\\f> search for file",
" <\\g> search for text",
" <\\b> search for buffer",
" <\\h> search VIM help menu",
" ",
" LSP Bindings (Normal Mode)",
" --------------------------------------------------",
" <gD> on (applicable) symbol, jump to declaration",
" <gd> on (applicable) symbol, jump to definition",
" <gt> on (applicable) symbol, jump to type definition",
" <gr> on (applicable) symbol, show caller references",
" <gf> on (applicable) symbol, search available symbols",
" <ga> on (applicable) symbol, show code-actions prompt",
" <gR> on (applicable) symbol, code-aware symbol rename",
" <gs> on (applicable) symbol, show signature help",
" <shift+k> on (applicable) symbol, show documentation",
" <space+e> on red underlined symbol error, show error message",
" <alt+n> jump to next LSP error",
" <alt+n> jump to prev LSP error",
}
local height = vim.api.nvim_get_option("lines")
local width = vim.api.nvim_get_option("columns")
local ascii_rows = #ascii
local ascii_cols = #ascii[1]
local win = vim.api.nvim_get_current_win()
local buf = vim.api.nvim_create_buf(true, true)
local function reset_start_screen()
vim.cmd("enew")
local buf = vim.api.nvim_get_current_buf()
local win = vim.api.nvim_get_current_win()
vim.api.nvim_buf_set_option(buf, "modifiable", true)
vim.api.nvim_buf_set_option(buf, "buflisted", true)
vim.api.nvim_buf_set_option(buf, "buflisted", true)
end
-- Only display if there is enough space
if height >= ascii_rows and width >= ascii_cols then
vim.api.nvim_buf_set_lines(buf, 0, -1, false, ascii)
vim.api.nvim_buf_set_option(buf, "modified", false)
vim.api.nvim_buf_set_option(buf, "buflisted", false)
vim.api.nvim_buf_set_option(buf, "bufhidden", "wipe")
vim.api.nvim_buf_set_option(buf, "buftype", "nofile")
vim.api.nvim_buf_set_option(buf, "swapfile", false)
vim.api.nvim_set_current_buf(buf)
vim.api.nvim_create_autocmd("InsertEnter,WinEnter", {
pattern = "<buffer>",
callback = reset_start_screen,
})
end
end
-- LSP Setup
-- ===========================================================================
-- Load the additional capabilities supported by nvim-cmp
local custom_capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local custom_on_attach = function(client, bufnr)
-- Enable completion triggered by <c-x><c-o>
vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '<A-n>', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<A-p>', vim.diagnostic.goto_prev, opts)
-- See `:help vim.lsp.*` for documentation on any of the below functions
local bufopts = { noremap=true, silent=true, buffer=bufnr }
vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
vim.keymap.set('n', 'gs', vim.lsp.buf.signature_help, bufopts)
vim.keymap.set('n', 'ga', vim.lsp.buf.code_action, bufopts)
vim.keymap.set('n', 'gR', vim.lsp.buf.rename, bufopts)
end
-- Request additional completion capabilities from the LSP server(s)
local lspconfig = require('lspconfig')
-- Clangd LSP Setup
-- ===========================================================================
lspconfig.clangd.setup {
on_attach = custom_on_attach,
capabilities = custom_capabilities,
single_file_support = false, --- Don't launch LSP if the directory does not have LSP metadata
}
lspconfig.cmake.setup {
on_attach = custom_on_attach,
capabilities = custom_capabilities,
}
-- Autocomplete Setup
-- ===========================================================================
local luasnip = require 'luasnip'
local cmp = require 'cmp'
local has_words_before = function()
local line, col = unpack(vim.api.nvim_win_get_cursor(0))
return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end
cmp.setup {
snippet = {
expand = function(args) luasnip.lsp_expand(args.body) end,
},
window = {
completion = cmp.config.window.bordered(),
documentation = cmp.config.window.bordered(),
},
completion = { autocomplete = false },
mapping = cmp.mapping.preset.insert({
['<C-d>'] = cmp.mapping.scroll_docs(4),
['<C-u>'] = cmp.mapping.scroll_docs(-4),
['<C-k>'] = cmp.mapping.scroll_docs(-1), -- Scroll the docs up by 1 line
['<C-j>'] = cmp.mapping.scroll_docs(1), -- Scroll the docs down by 1 line
['<CR>'] = cmp.mapping.confirm { behavior = cmp.ConfirmBehavior.Replace, select = true, },
['<Tab>'] = cmp.mapping(function(fallback) -- Move down the autocomplete list
if cmp.visible() then
cmp.select_next_item()
elseif luasnip.expand_or_jumpable() then
luasnip.expand_or_jump()
elseif has_words_before() then
cmp.complete()
else
fallback()
end
end, { 'i', 's' }),
['<S-Tab>'] = cmp.mapping(function(fallback) -- Move up the autocomplete list
if cmp.visible() then
cmp.select_prev_item()
elseif luasnip.jumpable(-1) then
luasnip.jump(-1)
else
fallback()
end
end, { 'i', 's' }),
}),
sources = {
{ name = 'nvim_lsp' },
{ name = 'luasnip' },
{ name = 'buffer' },
},
}
-- TODO: 2022-06-19 Treesitter is too slow on large C++ files
-- require('nvim-treesitter.configs').setup {
-- ensure_installed = { "c", "cpp" }, -- A list of parser names, or "all"
-- sync_install = false, -- Install parsers synchronously (only applied to `ensure_installed`)
-- ignore_install = { }, -- List of parsers to ignore installing (for "all")
-- highlight = {
-- enable = false, -- `false` will disable the whole extension
-- -- NOTE: these are the names of the parsers and not the filetype. (for example if you want to
-- -- disable highlighting for the `tex` filetype, you need to include `latex` in this list as this is
-- -- the name of the parser)
-- -- list of language that will be disabled
-- disable = { },
-- -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
-- -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
-- -- Using this option may slow down your editor, and you may see some duplicate highlights.
-- -- Instead of true it can also be a list of languages
-- additional_vim_regex_highlighting = false,
-- },
-- }
EOF
" Theme
" ==============================================================================
let g:gruvbox_material_background='hard'
let g:gruvbox_material_foreground='mix'
let g:gruvbox_material_disable_italic_comment=1
let g:gruvbox_material_enable_italic=0
let g:gruvbox_material_enable_bold=0
let g:gruvbox_material_diagnostic_virtual_text='colored'
let g:gruvbox_material_better_performance=1
colorscheme gruvbox-material
" Vim-cpp-modern customisation
" Disable function highlighting (affects both C and C++ files)
let g:cpp_function_highlight = 1
" Enable highlighting of C++11 attributes
let g:cpp_attributes_highlight = 1
" Highlight struct/class member variables (affects both C and C++ files)
let g:cpp_member_highlight = 0
" Put all standard C and C++ keywords under Vim's highlight group 'Statement'
" (affects both C and C++ files)
let g:cpp_simple_highlight = 1
" Options
" ==============================================================================
" Show EOL type and last modified timestamp, right after the filename
set statusline=%<%F%h%m%r\ [%{&ff}]\ (%{strftime(\"%H:%M\ %d/%m/%Y\",getftime(expand(\"%:p\")))})%=%l,%c%V\ %P
" Resize splits when the window is resized
au VimResized * :wincmd =
" File patterns to ignore in command line auto complete
set wildignore+=*.class,*.o
set wildignore+=*\\tmp\\*,*.swp,*.zip,*.exe,*.obj,*.vcxproj,*.pdb,*.idb
" Setup undo file
set undofile
let &undodir=stdpath('config') . '/undo'
" Setup backup directory
let &backupdir=stdpath('config') . '/backup'
" Enable mouse support
if has('mouse')
set mouse=a
endif
" Functions
" ==============================================================================
" Increase font size using (Ctrl+Up Arrow) or (Ctrl+Down Arrow) if we are using
" gvim Otherwise font size is determined in terminal
nnoremap <C-Up> :silent! let &guifont = substitute(
\ &guifont,
\ ':h\zs\d\+',
\ '\=eval(submatch(0)+1)',
\ 'g')<CR>
nnoremap <C-Down> :silent! let &guifont = substitute(
\ &guifont,
\ ':h\zs\d\+',
\ '\=eval(submatch(0)-1)',
\ 'g')<CR>
" Formatting options (see :h fo-table)
augroup persistent_settings
au!
au bufenter * :set formatoptions=q1j
augroup end
" General Key Bindings
" ==============================================================================
" Telescope Bindings
nnoremap <leader>f <cmd>Telescope find_files<cr>
nnoremap <leader>g <cmd>Telescope live_grep<cr>
nnoremap <leader>ta <cmd>Telescope tags<cr>
nnoremap <leader>te <cmd>Telescope<cr>
nnoremap <leader>b <cmd>Telescope buffers<cr>
nnoremap <leader>h <cmd>Telescope help_tags<cr>
nnoremap gf <cmd>Telescope lsp_dynamic_workspace_symbols<cr>
nnoremap gd <cmd>Telescope lsp_definitions<cr>
nnoremap gt <cmd>Telescope lsp_type_definitions<cr>
nnoremap gr <cmd>Telescope lsp_references<cr>
" Map Ctrl+HJKL to navigate buffer window
nmap <silent> <C-h> :wincmd h<CR>
nmap <silent> <C-j> :wincmd j<CR>
nmap <silent> <C-k> :wincmd k<CR>
nmap <silent> <C-l> :wincmd l<CR>
" Move by wrapped lines instead of line numbers
nnoremap j gj
nnoremap k gk
nnoremap gj j
nnoremap gk k
" Map NERDTree to Ctrl-N
map <C-n> :NERDTreeToggle<CR>
" Change to current buffer's directory
nmap cd :cd <C-R>=expand("%:p:h")<CR><CR>
" Buffer Splitting
nnoremap <leader>s :vs<CR>
" Go to next error
" Go to previous error
nnoremap <A-j> :cn<CR>
nnoremap <A-k> :cp<CR>
" FZF
" ==============================================================================
" Empty value to disable preview window altogether
let g:fzf_preview_window = []
" Prefix all commands with Fzf for discoverability
let g:fzf_command_prefix = 'Fzf'
" - down / up / left / right
let g:fzf_layout = { 'down': '40%' }
" Clang Format
" ==============================================================================
map <C-I> :py3file ~/clang-format.py<CR>
" Compiler Error Formats
" ==============================================================================
" Error message formats thanks to
" https://forums.handmadehero.org/index.php/forum?view=topic&catid=4&id=704#3982
set errorformat+=\\\ %#%f(%l\\\,%c):\ %m " MSVC: MSBuild
set errorformat+=\\\ %#%f(%l)\ :\ %#%t%[A-z]%#\ %m " MSVC: cl.exe
set errorformat+=\\\ %#%t%nxx:\ %m " MSVC: cl.exe, fatal errors is crudely implemented
set errorformat+=\\\ %#LINK\ :\ %m " MSVC: link.exe, can't find link library badly implemented
set errorformat+=\\\ %#%s\ :\ error\ %m " MSVC: link.exe, errors is badly implemented
set errorformat+=\\\ %#%s\ :\ fatal\ error\ %m " MSVC: link.exe, fatal errors is badly implemented
set errorformat+=\\\ %#%f(%l\\\,%c-%*[0-9]):\ %#%t%[A-z]%#\ %m " MSVC: HLSL fxc.exe
set errorformat+=%\\%%(CTIME%\\)%\\@=%m " ctime.exe -stats
" Vim Dispatch
" ==============================================================================
let s:running_windows = has("win16") || has("win32") || has("win64")
if s:running_windows
set makeprg=build
nnoremap <f5> :Make ./build.bat<cr>
else
" Set vim terminal to enter normal mode using escape like normal vim behaviour
tnoremap <Esc> <C-\><C-n>
nnoremap <f5> :Make ./build.sh<cr>
set makeprg=./build.sh
endif
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