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vim_tips.md

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Neovim/Vim Tips & Tricks

A guide for editing, navigation, plugins, and Verilog workflows.

Table of Contents

  1. File Operations
  2. Navigation
  3. Splits & Tabs
  4. Search & Replace
  5. Commenting
  6. Verilog-Specific
  7. Plugins
  8. Diff Tools
  9. Clipboard

File Operations

Create/Save Files

:enew                 " Create new buffer  
:w filename.txt       " Save as filename.txt  
:wq or :x             " Save and quit  
:q!                   " Quit without saving

Open Existing Files

:e path/to/file.txt   " Open file in current buffer  
:Ex                  " Open file explorer

Navigation

Basic Movement

h, j, k, l            " Left, Down, Up, Right  
w, b                  " Next/previous word  
0, $                  " Start/end of line  
gg, G                 " Top/bottom of file  
Ctrl + u, Ctrl + d    " Half-page up/down

Jump to Definitions

gd                    " Go to definition (LSP)  
Ctrl + ]              " Jump to tag (ctags)  
gr                    " Find references (LSP)

Fuzzy Search

(Requires Telescope)

:Telescope find_files " Search files  
:Telescope live_grep  " Search text in files

Splits & Tabs

Window Splits

:sp file.txt          " Horizontal split  
:vsp file.txt         " Vertical split  
Ctrl + w + h/j/k/l    " Move between splits  
Ctrl + w + c          " Close split

Tabs

:tabnew file.txt      " Open in new tab  
gt, gT                " Next/previous tab

Search & Replace

/pattern              " Search forward  
?pattern              " Search backward  
n, N                  " Next/previous match  
:%s/old/new/g         " Replace all

Commenting

Built-in

:s/^/\/\/             " Comment line (Verilog)  
:s/^\/\///            " Uncomment

Plugins

  • Comment.nvim: 
    gcc                  " Toggle line comment  
gbc                  " Toggle block comment
  • vim-commentary: 
    gcc                  " Toggle comment

Verilog-Specific

LSP Setup

-- init.lua  
require('lspconfig').verible.setup{}

Keymaps:

  • gd: Go to definition
  • K: Hover documentation

Tags Navigation

ctags -R --languages=verilog  " Generate tags  
Ctrl + ]              " Jump to tag

Waveform Debugging

:!gtkwave waveform.vcd

Plugins

Essential Plugins

-- Packer.nvim  
use {  
  'numToStr/Comment.nvim',       " Commenting  
  'nvim-telescope/telescope.nvim', " Fuzzy search  
  'sindrets/diffview.nvim',      " Diff tools  
}

Diff Tools

Built-in Diff

nvim -d file1.v file2.v

Commands:

]c, [c               " Next/previous diff  
:diffupdate          " Refresh diff

Diffview.nvim

:DiffviewOpen file1.v file2.v

Clipboard

Pasting in Neovide

  • Ctrl + Shift + V: Paste from system clipboard.
  • "+p: Paste from Neovim’s clipboard.

Fix Clipboard

sudo apt install xclip  # Linux

Pro Tips

  • Reload Config: :luafile %
  • Check Filetype: :set ft?
  • Custom Keymaps: Add to init.lua: 
    vim.keymap.set('n', '<leader>ff', ':Telescope find_files<CR>')

Enjoy your Neovim journey! 🚀