gopher.nvim/lua/gopher/impl.lua(view raw)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 |
local c = require("gopher.config").commands
local r = require "gopher._utils.runner"
local ts_utils = require "gopher._utils.ts"
local u = require "gopher._utils"
local impl = {}
---@return string
local function get_struct()
local ns = ts_utils.get_struct_node_at_pos(unpack(vim.api.nvim_win_get_cursor(0)))
if ns == nil then
u.deferred_notify("put cursor on a struct or specify a receiver", vim.log.levels.INFO)
return ""
end
vim.api.nvim_win_set_cursor(0, {
ns.dim.e.r,
ns.dim.e.c,
})
return ns.name
end
function impl.impl(...)
local args = { ... }
local iface, recv_name = "", ""
local recv = get_struct()
if #args == 0 then
iface = vim.fn.input "impl: generating method stubs for interface: "
vim.cmd "redraw!"
if iface == "" then
u.deferred_notify("usage: GoImpl f *File io.Reader", vim.log.levels.INFO)
return
end
elseif #args == 1 then -- :GoImpl io.Reader
recv = string.lower(recv) .. " *" .. recv
vim.cmd "redraw!"
iface = select(1, ...)
elseif #args == 2 then -- :GoImpl w io.Writer
recv_name = select(1, ...)
recv = string.format("%s *%s", recv_name, recv)
iface = select(#args, ...)
elseif #args > 2 then
iface = select(#args, ...)
recv = select(#args - 1, ...)
recv_name = select(#args - 2, ...)
recv = string.format("%s %s", recv_name, recv)
end
local output = r.sync(c.impl, {
args = {
"-dir",
vim.fn.fnameescape(vim.fn.expand "%:p:h" --[[@as string]]),
recv,
iface,
},
on_exit = function(data, status)
if not status == 0 then
error("impl failed: " .. data)
end
end,
})
local pos = vim.fn.getcurpos()[2]
table.insert(output, 1, "")
vim.fn.append(pos, output)
end
return impl
|