refactor: added lua folder

5 files changed, 315 insertions, 0 deletions

diff --git a/.config/nvim/lua/coc.lua b/.config/nvim/lua/coc.lua
new file mode 100644
index 0000000..35b7099
--- /dev/null
+++ b/.config/nvim/lua/coc.lua
@@ -0,0 +1,191 @@
+-- old coc.nvim config (minimal) 
+-- vim.cmd [[
+-- function! CheckBackspace() abort
+--   let col = col('.') - 1
+--   return !col || getline('.')[col - 1]  =~# '\s'
+-- endfunction
+-- 
+-- inoremap <silent><expr> <TAB>
+--       \ coc#pum#visible() ? coc#pum#next(1) :
+--       \ CheckBackspace() ? "\<Tab>" :
+--       \ coc#refresh()
+-- inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
+-- ]]
+
+-- some servers have issues with backup files, see #649
+vim.opt.backup = false
+vim.opt.writebackup = false
+
+-- having longer updatetime (default is 4000 ms = 4s) leads to noticeable
+-- delays and poor user experience
+vim.opt.updatetime = 300
+
+-- always show the signcolumn, otherwise it would shift the text each time
+-- diagnostics appeared/became resolved
+vim.opt.signcolumn = "yes"
+
+local keyset = vim.keymap.set
+-- autocomplete
+function _G.check_back_space()
+    local col = vim.fn.col('.') - 1
+    return col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') ~= nil
+end
+
+-- use tab for trigger completion with characters ahead and navigate
+-- note: there's always a completion item selected by default, you may want to enable
+-- no select by setting `"suggest.noselect": true` in your configuration file
+-- note: use command ':verbose imap <tab>' to make sure tab is not mapped by
+-- other plugins before putting this into your config
+local opts = {silent = true, noremap = true, expr = true, replace_keycodes = false}
+keyset("i", "<TAB>", 'coc#pum#visible() ? coc#pum#next(1) : v:lua.check_back_space() ? "<TAB>" : coc#refresh()', opts)
+keyset("i", "<S-TAB>", [[coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"]], opts)
+
+-- make <cr> to accept selected completion item or notify coc.nvim to format
+-- <c-g>u breaks current undo, please make your own choice
+keyset("i", "<cr>", [[coc#pum#visible() ? coc#pum#confirm() : "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"]], opts)
+
+-- use <c-j> to trigger snippets
+keyset("i", "<c-j>", "<Plug>(coc-snippets-expand-jump)")
+-- use <c-space> to trigger completion
+keyset("i", "<c-space>", "coc#refresh()", {silent = true, expr = true})
+
+-- use `[g` and `]g` to navigate diagnostics
+-- use `:cocdiagnostics` to get all diagnostics of current buffer in location list
+keyset("n", "[g", "<Plug>(coc-diagnostic-prev)", {silent = true})
+keyset("n", "]g", "<Plug>(coc-diagnostic-next)", {silent = true})
+
+-- goto code navigation
+keyset("n", "gd", "<Plug>(coc-definition)", {silent = true})
+keyset("n", "gy", "<Plug>(coc-type-definition)", {silent = true})
+keyset("n", "gi", "<Plug>(coc-implementation)", {silent = true})
+keyset("n", "gr", "<Plug>(coc-references)", {silent = true})
+
+-- use k to show documentation in preview window
+function _G.show_docs()
+    local cw = vim.fn.expand('<cword>')
+    if vim.fn.index({'vim', 'help'}, vim.bo.filetype) >= 0 then
+        vim.api.nvim_command('h ' .. cw)
+    elseif vim.api.nvim_eval('coc#rpc#ready()') then
+        vim.fn.CocActionAsync('doHover')
+    else
+        vim.api.nvim_command('!' .. vim.o.keywordprg .. ' ' .. cw)
+    end
+end
+keyset("n", "K", '<CMD>lua _G.show_docs()<CR>', {silent = true})
+
+-- highlight the symbol and its references on a cursorhold event(cursor is idle)
+vim.api.nvim_create_augroup("CocGroup", {})
+vim.api.nvim_create_autocmd("CursorHold", {
+    group = "CocGroup",
+    command = "silent call CocActionAsync('highlight')",
+    desc = "Highlight symbol under cursor on CursorHold"
+})
+
+-- symbol renaming
+keyset("n", "<leader>rn", "<Plug>(coc-rename)", {silent = true})
+
+-- formatting selected code
+keyset("x", "<leader>f", "<Plug>(coc-format-selected)", {silent = true})
+keyset("n", "<leader>f", "<Plug>(coc-format-selected)", {silent = true})
+
+-- setup formatexpr specified filetype(s)
+vim.api.nvim_create_autocmd("FileType", {
+    group = "CocGroup",
+    pattern = "typescript,json",
+    command = "setl formatexpr=CocAction('formatSelected')",
+    desc = "Setup formatexpr specified filetype(s)."
+})
+
+-- update signature help on jump placeholder
+vim.api.nvim_create_autocmd("User", {
+    group = "CocGroup",
+    pattern = "CocJumpPlaceholder",
+    command = "call CocActionAsync('showSignatureHelp')",
+    desc = "Update signature help on jump placeholder"
+})
+
+-- apply codeaction to the selected region
+-- example: `<leader>aap` for current paragraph
+local opts = {silent = true, nowait = true}
+keyset("x", "<leader>a", "<Plug>(coc-codeaction-selected)", opts)
+keyset("n", "<leader>a", "<Plug>(coc-codeaction-selected)", opts)
+
+-- remap keys for apply code actions at the cursor position.
+keyset("n", "<leader>ac", "<Plug>(coc-codeaction-cursor)", opts)
+-- remap keys for apply source code actions for current file.
+keyset("n", "<leader>as", "<Plug>(coc-codeaction-source)", opts)
+-- apply the most preferred quickfix action on the current line.
+keyset("n", "<leader>qf", "<Plug>(coc-fix-current)", opts)
+
+-- remap keys for apply refactor code actions.
+keyset("n", "<leader>re", "<Plug>(coc-codeaction-refactor)", { silent = true })
+keyset("x", "<leader>r", "<Plug>(coc-codeaction-refactor-selected)", { silent = true })
+keyset("n", "<leader>r", "<Plug>(coc-codeaction-refactor-selected)", { silent = true })
+
+-- run the code lens actions on the current line
+keyset("n", "<leader>cl", "<Plug>(coc-codelens-action)", opts)
+
+
+-- map function and class text objects
+-- note: requires 'textdocument.documentsymbol' support from the language server
+keyset("x", "if", "<Plug>(coc-funcobj-i)", opts)
+keyset("o", "if", "<Plug>(coc-funcobj-i)", opts)
+keyset("x", "af", "<Plug>(coc-funcobj-a)", opts)
+keyset("o", "af", "<Plug>(coc-funcobj-a)", opts)
+keyset("x", "ic", "<Plug>(coc-classobj-i)", opts)
+keyset("o", "ic", "<Plug>(coc-classobj-i)", opts)
+keyset("x", "ac", "<Plug>(coc-classobj-a)", opts)
+keyset("o", "ac", "<Plug>(coc-classobj-a)", opts)
+
+
+-- remap <c-f> and <c-b> to scroll float windows/popups
+---@diagnostic disable-next-line: redefined-local
+local opts = {silent = true, nowait = true, expr = true}
+keyset("n", "<C-f>", 'coc#float#has_scroll() ? coc#float#scroll(1) : "<C-f>"', opts)
+keyset("n", "<C-b>", 'coc#float#has_scroll() ? coc#float#scroll(0) : "<C-b>"', opts)
+keyset("i", "<C-f>",
+       'coc#float#has_scroll() ? "<c-r>=coc#float#scroll(1)<cr>" : "<Right>"', opts)
+keyset("i", "<C-b>",
+       'coc#float#has_scroll() ? "<c-r>=coc#float#scroll(0)<cr>" : "<Left>"', opts)
+keyset("v", "<C-f>", 'coc#float#has_scroll() ? coc#float#scroll(1) : "<C-f>"', opts)
+keyset("v", "<C-b>", 'coc#float#has_scroll() ? coc#float#scroll(0) : "<C-b>"', opts)
+
+-- use ctrl-s for selections ranges
+-- requires 'textdocument/selectionrange' support of language server
+keyset("n", "<C-s>", "<Plug>(coc-range-select)", {silent = true})
+keyset("x", "<C-s>", "<Plug>(coc-range-select)", {silent = true})
+
+-- add `:format` command to format current buffer
+vim.api.nvim_create_user_command("Format", "call CocAction('format')", {})
+
+-- " add `:fold` command to fold current buffer
+vim.api.nvim_create_user_command("Fold", "call CocAction('fold', <f-args>)", {nargs = '?'})
+
+-- add `:or` command for organize imports of the current buffer
+vim.api.nvim_create_user_command("OR", "call CocActionAsync('runCommand', 'editor.action.organizeImport')", {})
+
+-- add (neo)vim's native statusline support
+-- note: please see `:h coc-status` for integrations with external plugins that
+-- provide custom statusline: lightline.vim, vim-airline
+vim.opt.statusline:prepend("%{coc#status()}%{get(b:,'coc_current_function','')}")
+
+-- mappings for coclist
+-- code actions and coc stuff
+---@diagnostic disable-next-line: redefined-local
+local opts = {silent = true, nowait = true}
+-- show all diagnostics
+keyset("n", "<space>a", ":<C-u>CocList diagnostics<cr>", opts)
+-- manage extensions
+keyset("n", "<space>e", ":<C-u>CocList extensions<cr>", opts)
+-- show commands
+keyset("n", "<space>c", ":<C-u>CocList commands<cr>", opts)
+-- find symbol of current document
+keyset("n", "<space>o", ":<C-u>CocList outline<cr>", opts)
+-- search workspace symbols
+keyset("n", "<space>s", ":<C-u>CocList -I symbols<cr>", opts)
+-- do default action for next item
+keyset("n", "<space>j", ":<C-u>CocNext<cr>", opts)
+-- do default action for previous item
+keyset("n", "<space>k", ":<C-u>CocPrev<cr>", opts)
+-- resume latest coc list
+keyset("n", "<space>p", ":<C-u>CocListResume<cr>", opts)
diff --git a/.config/nvim/lua/keys.lua b/.config/nvim/lua/keys.lua
new file mode 100644
index 0000000..0cc493e
--- /dev/null
+++ b/.config/nvim/lua/keys.lua
@@ -0,0 +1,19 @@
+-- legacy keybinds for x11 clipboard
+vim.cmd [[
+  vnoremap <C-c> "+y
+  vmap <C-x> "+x
+  map <C-p> "+p
+  map <Leader>p "+P
+]]
+
+-- vertical motion remappings
+vim.api.nvim_set_keymap("n", "<C-d>", "<C-d>zz", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-u>", "<C-u>zz", { noremap = true })
+vim.api.nvim_set_keymap("n", "n", "nzzzv", { noremap = true })
+vim.api.nvim_set_keymap("n", "N", "Nzzzv", { noremap = true })
+
+-- nerdtree keybinds
+vim.api.nvim_set_keymap("n", "<leader>n", ":NERDTreeFocus<CR>", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-n>", ":NERDTree<CR>", { noremap = true })
+vim.api.nvim_set_keymap("n", "<C-t>", ":NERDTreeToggle<CR>", { noremap = true })
+vim.api.nvim_set_keymap("n", "<leader>/", ":NERDTreeFind<CR>", { noremap = true })
diff --git a/.config/nvim/lua/look.lua b/.config/nvim/lua/look.lua
new file mode 100644
index 0000000..c3b449f
--- /dev/null
+++ b/.config/nvim/lua/look.lua
@@ -0,0 +1,37 @@
+-- colorscheme declaration
+vim.cmd("colorscheme tender")
+
+-- coc.nvim colors
+vim.cmd("highlight CocFloating ctermbg=0")
+vim.cmd("highlight CocErrorFloat ctermfg=15")
+
+-- appearanec of splits and vsplits
+vim.cmd("highlight VertSplit ctermfg=235 guifg=#3c3836")
+vim.cmd("highlight StatusLine ctermfg=black ctermbg=lightgray")
+vim.cmd("highlight StatusLineNC ctermfg=darkgray ctermbg=lightgray")
+
+-- gui appearance declarations
+if vim.fn.has('gui_running') == 1 then
+  vim.opt.t_Co = 256
+  vim.opt.guifont = "JetBrains Mono 11"
+  vim.opt.guioptions:remove("m")
+  vim.opt.guioptions:remove("T")
+  vim.opt.guioptions:remove("r")
+  vim.opt.guioptions:remove("L")
+  vim.cmd("colorscheme tender")
+end
+
+-- remove trailing whitespace from python and fortran files
+vim.api.nvim_exec([[
+  autocmd BufWritePre *.py :%s/\s\+$//e
+  autocmd BufWritePre *.f90 :%s/\s\+$//e
+  autocmd BufWritePre *.f95 :%s/\s\+$//e
+  autocmd BufWritePre *.for :%s/\s\+$//e
+]], false)
+
+-- other appearance settings that I don't know how to set in lua 
+vim.cmd("filetype plugin on")
+vim.cmd("syntax on")
+vim.cmd("highlight Cursorline cterm=bold ctermbg=black")
+vim.cmd("filetype indent on")
+
diff --git a/.config/nvim/lua/opts.lua b/.config/nvim/lua/opts.lua
new file mode 100644
index 0000000..547b697
--- /dev/null
+++ b/.config/nvim/lua/opts.lua
@@ -0,0 +1,53 @@
+local opts = {
+    -- clipboard = "unnamedplus",
+    -- textwidth = 80,
+    autochdir = true,
+    autoindent = true,
+    cursorline = true,
+    expandtab = true,
+    hlsearch = true,
+    ignorecase = true,
+    listchars = { tab = ">-", trail = "~", extends = ">", precedes = "<", space = "." },
+    mouse = "a",
+    number = true,
+    relativenumber = true,
+    shiftwidth = 4,
+    showmatch = true,
+    smartcase = true,
+    softtabstop = 4,
+    tabstop = 4,
+    termguicolors = true,
+    ttimeout = true,
+    ttimeoutlen = 1,
+    ttyfast = true,
+}
+
+-- Customize split dividers
+vim.opt.fillchars = vim.opt.fillchars + {
+  vert = "█",
+  fold = "█",
+  diff = "█",
+  stl = "=",
+  stlnc = "=",
+  stl = "="
+}
+
+-- Use a line cursor within insert mode and a block cursor everywhere else.
+-- Reference chart of values:
+--   Ps = 0  -> blinking block.
+--   Ps = 1  -> blinking block (default).
+--   Ps = 2  -> steady block.
+--   Ps = 3  -> blinking underline.
+--   Ps = 4  -> steady underline.
+--   Ps = 5  -> blinking bar (xterm).
+--   Ps = 6  -> steady bar (xterm).
+vim.g.t_SI = "\27[6 q"
+vim.g.t_EI = "\27[2 q"
+
+if vim.env.TERM == "alacritty" then
+  vim.opt.ttymouse = "sgr"
+end
+
+for x, y in pairs(opts) do
+  vim.opt[x] = y
+end
diff --git a/.config/nvim/lua/plug.lua b/.config/nvim/lua/plug.lua
new file mode 100644
index 0000000..63eac2e
--- /dev/null
+++ b/.config/nvim/lua/plug.lua
@@ -0,0 +1,15 @@
+-- Plugin manager (vim-plug)
+vim.cmd [[
+  call plug#begin()
+  Plug 'https://github.com/preservim/nerdtree', { 'on': 'NERDTreeToggle' }
+  " Plug 'LunarWatcher/auto-pairs'
+  Plug 'tmsvg/pear-tree'
+  Plug 'https://github.com/adelarsq/vim-matchit'
+  Plug 'neoclide/coc.nvim', {'branch': 'release'}
+  Plug 'tpope/vim-surround'
+  Plug 'sbdchd/neoformat'
+  Plug 'ThePrimeagen/vim-be-good'
+  Plug 'junegunn/fzf'
+  call plug#end()
+]]
+