121 lines
2.9 KiB
Lua
121 lines
2.9 KiB
Lua
local config = require("tiny-debugger.config")
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local M = {}
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local win_id = nil
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local buf_id = nil
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local timer = nil
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local modal_info = {
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{ "continue", "Continue" },
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{ "step_over", "Step over" },
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{ "step_into", "Step into" },
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{ "step_out", "Step out" },
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{ "run_to_cursor", "Run to cursor" },
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{ "watch", "Watch expression" },
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{ "hover", "Hover / inspect" },
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{ "eval", "Eval in REPL" },
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{ "terminate", "Quit debugging" },
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{ "restart", "Restart session" },
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}
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local global_info = {
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{ "toggle", "Toggle debug mode" },
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{ "breakpoint", "Toggle breakpoint" },
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{ "cond_breakpoint", "Conditional breakpoint" },
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{ "clear_breakpoints", "Clear all breakpoints" },
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}
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local function build_content()
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local lines = { " tiny-debugger", "" }
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local width = #lines[1]
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local function add(key, label)
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local line = string.format(" %-12s %s", key, label)
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lines[#lines + 1] = line
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if #line > width then width = #line end
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end
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lines[#lines + 1] = " Debug mode:"
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for _, pair in ipairs(modal_info) do
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local key = config.opts.keys[pair[1]]
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if key then add(key, pair[2]) end
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end
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lines[#lines + 1] = ""
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lines[#lines + 1] = " Always available:"
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for _, pair in ipairs(global_info) do
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local key = config.opts.global_keys[pair[1]]
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if key then add(key, pair[2]) end
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end
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-- highlight line at the bottom
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local help_key = config.opts.keys.help or "?"
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lines[#lines + 1] = ""
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lines[#lines + 1] = " Press " .. help_key .. " for help"
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lines[#lines + 1] = ""
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return lines, width + 2
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end
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function M.close()
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if timer then
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timer:stop()
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timer:close()
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timer = nil
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end
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if win_id and vim.api.nvim_win_is_valid(win_id) then
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vim.api.nvim_win_close(win_id, true)
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end
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win_id = nil
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if buf_id and vim.api.nvim_buf_is_valid(buf_id) then
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vim.api.nvim_buf_delete(buf_id, { force = true })
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end
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buf_id = nil
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end
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function M.open()
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M.close()
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local lines, width = build_content()
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local height = #lines
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buf_id = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_buf_set_lines(buf_id, 0, -1, false, lines)
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-- highlight the "Press ? for help" line
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local hl_line = height - 2
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vim.api.nvim_buf_add_highlight(buf_id, -1, "Bold", hl_line, 0, -1)
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vim.bo[buf_id].modifiable = false
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vim.bo[buf_id].bufhidden = "wipe"
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-- center the float
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local ed_w = vim.o.columns
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local ed_h = vim.o.lines
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local row = math.floor((ed_h - height) / 2)
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local col = math.floor((ed_w - width) / 2)
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win_id = vim.api.nvim_open_win(buf_id, false, {
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relative = "editor",
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row = row,
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col = col,
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width = width,
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height = height,
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style = "minimal",
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border = "rounded",
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focusable = false,
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noautocmd = true,
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})
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-- auto-close after 2 seconds
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timer = vim.uv.new_timer()
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timer:start(2000, 0, vim.schedule_wrap(function() M.close() end))
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end
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function M.is_open()
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return win_id ~= nil and vim.api.nvim_win_is_valid(win_id)
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end
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return M
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