48 lines
1.4 KiB
Lua
48 lines
1.4 KiB
Lua
-- Thanks https://github.com/koron/iferr for vim implementation
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---@toc_entry Iferr
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---@tag gopher.nvim-iferr
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---@text
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--- `iferr` provides a way to way to automatically insert `if err != nil` check.
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--- If you want to change `-message` option of `iferr` tool, see |gopher.nvim-config|
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---
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---@usage Execute `:GoIfErr` near any `err` variable to insert the check
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local c = require "gopher.config"
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local u = require "gopher._utils"
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local r = require "gopher._utils.runner"
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local log = require "gopher._utils.log"
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local iferr = {}
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function iferr.iferr()
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local curb = vim.fn.wordcount().cursor_bytes
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local pos = vim.fn.getcurpos()[2]
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local fpath = vim.fn.expand "%"
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local cmd = { c.commands.iferr, "-pos", curb }
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if c.iferr.message ~= nil and type(c.iferr.message) == "string" then
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table.insert(cmd, "-message")
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table.insert(cmd, c.iferr.message)
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end
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local rs = r.sync(cmd, {
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stdin = u.readfile_joined(fpath),
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})
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if rs.code ~= 0 then
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if string.find(rs.stderr, "no functions at") then
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u.notify("iferr: no function at " .. curb, vim.log.levels.ERROR)
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log.warn("iferr: no function at " .. curb)
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return
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end
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log.error("ferr: failed. output: " .. rs.stderr)
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error("iferr failed: " .. rs.stderr)
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end
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vim.fn.append(pos, u.remove_empty_lines(vim.split(rs.stdout, "\n")))
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vim.cmd [[silent normal! j=2j]]
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vim.fn.setpos(".", pos --[[@as integer[] ]])
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end
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return iferr
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