olexsmir/gopher.nvim
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fix(impl): handle case with no arguments provided

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Oleksandr Smirnov 2025-04-03 16:45:14 +03:00
parent 9d28cdebf1
commit 6e7336f413
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1 changed files with 9 additions and 2 deletions
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11
lua/gopher/impl.lua
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@ -44,7 +44,10 @@ function impl.impl(...)
local iface, recv = "", "" local iface, recv = "", ""
local bufnr = vim.api.nvim_get_current_buf() local bufnr = vim.api.nvim_get_current_buf()
if #args == 1 then -- :GoImpl io.Reader if #args == 0 then
u.notify("arguments not provided. usage: :GoImpl f *File io.Reader", vim.log.levels.ERROR)
return
elseif #args == 1 then -- :GoImpl io.Reader
local st = ts_utils.get_struct_under_cursor(bufnr) local st = ts_utils.get_struct_under_cursor(bufnr)
iface = args[1] iface = args[1]
recv = string.lower(st.name) .. " *" .. st.name recv = string.lower(st.name) .. " *" .. st.name
@ -57,7 +60,11 @@ function impl.impl(...)
iface = args[3] iface = args[3]
end end
local rs = r.sync { c.impl, "-dir", vim.fn.fnameescape(vim.fn.expand "%:p:h"), recv, iface } assert(iface ~= "", "interface not provided")
assert(recv ~= "", "receiver not provided")
local dir = vim.fn.fnameescape(vim.fn.expand "%:p:h")
local rs = r.sync { c.impl, "-dir", dir, recv, iface }
if rs.code ~= 0 then if rs.code ~= 0 then
error("failed to implement interface: " .. rs.stderr) error("failed to implement interface: " .. rs.stderr)
end end