gdb.nvim

Super simple GDB integration with Neovim. This isn't a general debugger, this plugin is specifically for gdb and possibly for rust-gdb as well.

I noticed roughly one week into development that this is pretty much just a Lua implementation of Termdebug. So, if you'd like a lua option then here you go :D

Installation

You can use whichever package manager you prefer. In packer.nvim you can choose either option listed

use 'AlphabetsAlphabets/gdb.nvim'
use 'https://github.com/AlphabetsAlphabets/gdb.nvim'

Configuration

There are currently two vairables gdb.nvim works with.

default_to_buf. boolean, if true then prompt asking for source file will not be asked. Defaults to true.
detect_name. boolean. If true then asking for binary file will not be asked. Defaults to true.

Usage

The command :Debug has been exposed. Since keymaps are personal I decided not to give it a mapping.

Configuration

local gdb = require("gdb")

local opts = {
	default_to_buf = true,
	detect_binary = false,
}

gdb.setup(opts)

The values set here are not the defaults. You can use this method or any other equivalent method.

Suggested keybindings

These keybindings are for navigating when you're in terminal mode. The buffer with gdb active is in terminal mode and all keybindings will not work when in this mode. To return to normal mode you need to input <C-\><C-n>. These are just the suggested keybindings.

vim.keymap.set("t", "<C-\>l", "<C-\><C-n><C-w>l", {})
vim.keymap.set("t", "<C-\>h", "<C-\><C-n><C-w>h", {})
vim.keymap.set("t", "<C-\>j", "<C-\><C-n><C-w>j", {})
vim.keymap.set("t", "<C-\>k", "<C-\><C-n><C-w>k", {})

Motivation

I've been progamming for about two years now and I've never actually used a debugger before, I used it for the first time for school work. Ever since I've been desperately looking to get a debugging experience working for Neovim once I understood how important it was. There are two plugins for this.

DAP
Vimpsector

I couldn't setup DAP and the Vimpsector workflow just wasn't for me. One of them was the cursor moving to the start of the first whenever I stepped forward or into really bugged me. Another thing is that Vimpsector is made mainly for Vim, not Neovim.

I know what gdb was but never understood the value of a debugger. So, I decided to make this to integrate the usage of gdb into Neovim. I understand that this is plugin geared towards C/C++ (rust with rust-gdb?) not debugging in general.

Contributing

This being my first try at actually involving a community and not just me or my friends, contributing guidelines are something new to me. This is what I have for now, and I will come up with better rules as time passes. If you want to know what features I have planned please take a look at FEATURES.md

There isn't a solid or concrete instruction for contributing, but feel free to contribute to it :D.
Anything can be discussed. If you feel something is irrelevant or unneeded, feel free to do so.

The general guideline for contributing (at least for now) is to make fork, make your changes, test changes, submit a PR. The development branch is the dev branch. The master branch is the usable version.

AlphabetsAlphabets/gdb.nvim

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