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108 lines
3.0 KiB
Lua
108 lines
3.0 KiB
Lua
-- golines A golang formatter that fixes long lines
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-- golines + goimport
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local api = vim.api
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local utils = require("go.utils")
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local log = utils.log
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local max_len = _GO_NVIM_CFG.max_line_len or 120
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local goimport = _GO_NVIM_CFG.goimport or "goimports"
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local gofmt = _GO_NVIM_CFG.gofmt or "gofumpt"
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local gofmt_args = _GO_NVIM_CFG.gofmt_args
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or {"--max-len=" .. tostring(max_len), "--base-formatter=" .. gofmt}
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local goimport_args = _GO_NVIM_CFG.goimport_args
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or {"--max-len=" .. tostring(max_len), "--base-formatter=" .. goimport}
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local run = function(fmtargs, from_buffer, cmd)
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local args = vim.deepcopy(fmtargs)
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if not from_buffer then
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table.insert(args, api.nvim_buf_get_name(0))
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print('formatting buffer... ' .. api.nvim_buf_get_name(0) .. vim.inspect(args))
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else
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print('formatting... ' .. vim.inspect(args))
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end
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local old_lines = api.nvim_buf_get_lines(0, 0, -1, true)
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if cmd then
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table.insert(args, 1, cmd)
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else
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table.insert(args, 1, "golines")
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end
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log("fmt cmd:", args)
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local j = vim.fn.jobstart(args, {
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on_stdout = function(job_id, data, event)
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data = utils.handle_job_data(data)
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if not data then
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return
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end
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if not utils.check_same(old_lines, data) then
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print("updating codes")
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api.nvim_buf_set_lines(0, 0, -1, false, data)
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api.nvim_command("write")
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else
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print("already formatted")
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end
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-- log("stdout" .. vim.inspect(data))
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old_lines = nil
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end,
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on_stderr = function(job_id, data, event)
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log(vim.inspect(data) .. "stderr")
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end,
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on_exit = function(id, data, event)
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-- log(vim.inspect(data) .. "exit")
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-- log("current data " .. vim.inspect(new_lines))
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old_lines = nil
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end,
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stdout_buffered = true,
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stderr_buffered = true
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})
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vim.fn.chansend(j, old_lines)
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vim.fn.chanclose(j, "stdin")
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end
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local M = {}
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M.gofmt = function(buf)
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if _GO_NVIM_CFG.gofmt == 'gopls' then
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-- log("gopls format")
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vim.lsp.buf.formatting()
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return
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end
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vim.env.GO_FMT = "gofumpt"
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buf = buf or false
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require("go.install").install(gofmt)
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require("go.install").install("golines")
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local a = {}
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utils.copy_array(gofmt_args, a)
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run(a, buf)
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end
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M.org_imports = function(wait_ms)
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local codeaction = require('go.lsp').codeaction
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codeaction('', 'source.organizeImports', wait_ms)
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vim.lsp.buf.formatting()
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end
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M.goimport = function(...)
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if _GO_NVIM_CFG.goimport == 'gopls' then
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M.org_imports(1000)
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return
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end
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local args = {...}
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local a1 = select(1, args)
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local buf = true
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if #args > 0 and type(args[1]) == "boolean" then
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buf = a1
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table.remove(args, 1)
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end
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require("go.install").install(goimport)
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require("go.install").install("golines")
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local a = vim.deepcopy(goimport_args)
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if #args > 0 and _GO_NVIM_CFG.goimport == 'goimports' then -- dont use golines
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return run(args, buf, 'goimports')
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end
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run(goimport_args, buf)
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end
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return M
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