dots/config/nvim/lua/neoconf/c++.lua
2026-06-05 13:11:08 +02:00

76 lines
2.5 KiB
Lua

-- Function to compile and run the current C++ file
function Compile_and_run_cpp()
local filename = vim.fn.expand("%:p")
local basename = vim.fn.expand("%:r")
local output_file = "output.txt" -- Change this to the desired output file name
local input_file = "input.txt" -- Change this to the desired input file name
-- Check if current file is a valid C++ or C file
local valid_extensions = { "cpp", "c" }
local valid_file = false
for _, ext in ipairs(valid_extensions) do
if filename:match("%." .. ext .. "$") then
valid_file = true
break
end
end
-- Exit function if file is not valid
if not valid_file then
vim.api.nvim_err_writeln("Not a valid C++ or C file.")
return
end
-- Check if input file exists, create if it doesn't
local input_fd = io.open(input_file, "a+") -- Open in append mode to create if it doesn't exist
if input_fd == nil then
vim.api.nvim_err_writeln("Failed to open or create input file: " .. input_file)
return
end
input_fd:close()
-- Check if output file exists, create if it doesn't
local output_fd = io.open(output_file, "a+") -- Open in append mode to create if it doesn't exist
if output_fd == nil then
vim.api.nvim_err_writeln("Failed to open or create output file: " .. output_file)
return
end
output_fd:close()
-- Check if input file buffer is already open
local input_bufnr = vim.fn.bufnr(input_file)
if input_bufnr == -1 then
-- Open input file in a new split at top right side
vim.cmd("vsp " .. input_file)
else
-- Switch to existing buffer for input file
vim.cmd(input_bufnr .. "wincmd w")
end
-- Check if input file buffer is already open
local output_butnr = vim.fn.bufnr(output_file)
if output_butnr == -1 then
-- Open input file in a new split at top right side
vim.cmd("split " .. output_file)
else
-- Switch to existing buffer for input file
vim.cmd(input_bufnr .. "wincmd w")
end
vim.cmd("vertical resize 70%")
local file = vim.fn.bufnr(filename)
vim.cmd(file .. "wincmd w")
-- Compile and run C++ file
local compile_cmd =
string.format("g++ %s -o %s && ./%s < %s > %s", filename, basename, basename, input_file, output_file)
vim.cmd("silent w") -- Save the current file
vim.cmd("silent !clear") -- Clear the terminal
vim.cmd("silent !" .. compile_cmd) -- Execute the compile and run command
-- Open the output file in a new buffer
-- vim.cmd("edit " .. output_file)
end
-- Map Ctrl+B to the compile_and_run_cpp function
vim.api.nvim_set_keymap("n", "<C-b>", ":lua Compile_and_run_cpp()<CR>", { noremap = true, silent = true })