69 lines
1.7 KiB
Lua
69 lines
1.7 KiB
Lua
local c = require("gopher.config").commands
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local r = require "gopher._utils.runner"
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local ts_utils = require "gopher._utils.ts"
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local u = require "gopher._utils"
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local impl = {}
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---@return string
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local function get_struct()
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local ns = ts_utils.get_struct_node_at_pos(unpack(vim.api.nvim_win_get_cursor(0)))
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if ns == nil then
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u.deferred_notify("put cursor on a struct or specify a receiver", vim.log.levels.INFO)
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return ""
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end
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vim.api.nvim_win_set_cursor(0, {
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ns.dim.e.r,
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ns.dim.e.c,
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})
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return ns.name
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end
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function impl.impl(...)
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local args = { ... }
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local iface, recv_name = "", ""
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local recv = get_struct()
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if #args == 0 then
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iface = vim.fn.input "impl: generating method stubs for interface: "
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vim.cmd "redraw!"
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if iface == "" then
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u.deferred_notify("usage: GoImpl f *File io.Reader", vim.log.levels.INFO)
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return
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end
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elseif #args == 1 then -- :GoImpl io.Reader
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recv = string.lower(recv) .. " *" .. recv
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vim.cmd "redraw!"
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iface = select(1, ...)
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elseif #args == 2 then -- :GoImpl w io.Writer
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recv_name = select(1, ...)
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recv = string.format("%s *%s", recv_name, recv)
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iface = select(#args, ...)
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elseif #args > 2 then
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iface = select(#args, ...)
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recv = select(#args - 1, ...)
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recv_name = select(#args - 2, ...)
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recv = string.format("%s %s", recv_name, recv)
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end
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local output = r.sync(c.impl, {
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args = {
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"-dir",
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vim.fn.fnameescape(vim.fn.expand "%:p:h" --[[@as string]]),
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recv,
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iface,
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},
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on_exit = function(data, status)
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if not status == 0 then
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error("impl failed: " .. data)
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end
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end,
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})
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local pos = vim.fn.getcurpos()[2]
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table.insert(output, 1, "")
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vim.fn.append(pos, output)
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end
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return impl
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