Update Impl

README.md

@@ -146,6 +146,23 @@ goimport)
 | Gofmt    | goline + gofumpt |
 | Goimport  | goline + goimport + gofumpt |
 
+## GoImpl
+
+generate method stubs for implementing an interface
+
+Usage:
+
+
+```
+:GoImpl {receiver} {interface}
+```
+
+e.g:
+
+```
+:GoImpl f *File io.Reader
+```
+
 ## Debug
 
 | command      | Description |

lua/go.lua

@@ -61,7 +61,7 @@ function go.setup(cfg)
 
   vim.cmd([[command! -nargs=* GoAddTag lua require("go.tags").add(<f-args>)]])
   vim.cmd([[command! -nargs=* GoRmTag lua require("go.tags").rm(<f-args>)]])
-  -- vim.cmd([[command! -nargs=* GoImpl  lua require("go.impl").run(<f-args>)]])
+  vim.cmd([[command! -nargs=* GoImpl  lua require("go.impl").run(<f-args>)]])
   vim.cmd([[command!          GoClearTag lua require("go.tags").clear()]])
   vim.cmd([[command!          GoCmt lua require("go.comment").gen()]])
   vim.cmd([[command!          GoRename lua require("go.rename").run()]])

lua/go/iferr.lua

@@ -17,7 +17,6 @@ local run = function(...)
     return
   end
 
-  require('go.utils').log(data)
   local pos = vim.fn.getcurpos()[2]
   vim.fn.append(pos, data)
 

lua/go/impl.lua

@@ -0,0 +1,37 @@
+-- local ts_utils = require 'nvim-treesitter.ts_utils'
+local utils = require("go.utils")
+
+local impl = "impl"
+-- GoImpl f *Foo io.Writer
+local run = function(...)
+  require("go.install").install(impl)
+  local setup = "impl"
+
+  local arg = {...}
+  if #arg < 3 then
+    print("Usage: GoImpl f *File io.Reader")
+  end
+
+  local rec1 = select(1, ...)
+  local rec2 = select(2, ...)
+  local interface = select(3, ...)
+
+  setup = setup .. " '" .. rec1 .. " " .. rec2 .. "' " .. interface
+  local data = vim.fn.systemlist(setup, vim.fn.bufnr('%'))
+
+  data = utils.handle_job_data(data)
+  if not data then
+    return
+  end
+
+  utils.log(data)
+  local pos = vim.fn.getcurpos()[2]
+  vim.fn.append(pos, data)
+
+  vim.cmd('silent normal! j=2j')
+  vim.fn.setpos('.', pos)
+  vim.cmd('silent normal! 4j')
+  --
+
+end
+return {run = run}

lua/go/install.lua

@@ -1,28 +1,29 @@
 local uv = vim.loop
-local DIR_SEP = package.config:sub(1,1)
+local DIR_SEP = package.config:sub(1, 1)
 
 local url = {
-  gofumpt      = "mvdan.cc/gofumpt",
-  gofumports   = "mvdan.cc/gofumpt",
-  golines      = "github.com/segmentio/golines",
+  gofumpt = "mvdan.cc/gofumpt",
+  gofumports = "mvdan.cc/gofumpt",
+  golines = "github.com/segmentio/golines",
   gomodifytags = "github.com/fatih/gomodifytags",
-  gotsts       = "github.com/cweill/gotests",
-  iferr        = 'github.com/koron/iferr',
-  fillstruct   = 'github.com/davidrjenni/reftools/cmd/fillstruct',
-  fixplurals   = 'github.com/davidrjenni/reftools/cmd/fixplurals',
-  fillswitch   = 'github.com/davidrjenni/reftools/cmd/fillswitch',
+  gotsts = "github.com/cweill/gotests",
+  iferr = 'github.com/koron/iferr',
+  impl = 'github.com/josharian/impl',
+  fillstruct = 'github.com/davidrjenni/reftools/cmd/fillstruct',
+  fixplurals = 'github.com/davidrjenni/reftools/cmd/fixplurals',
+  fillswitch = 'github.com/davidrjenni/reftools/cmd/fillswitch'
 }
 
 local function is_installed(bin)
-    local env_path = os.getenv("PATH")
-    local base_paths = vim.split(env_path, ":", true)
+  local env_path = os.getenv("PATH")
+  local base_paths = vim.split(env_path, ":", true)
 
-    for key, value in pairs(base_paths) do
-        if uv.fs_stat(value .. DIR_SEP .. bin) then
-            return true
-        end
+  for key, value in pairs(base_paths) do
+    if uv.fs_stat(value .. DIR_SEP .. bin) then
+      return true
     end
-    return false
+  end
+  return false
 end
 
 local function go_install(pkg)
@@ -35,14 +36,11 @@ local function go_install(pkg)
   u = u .. "@latest"
   local setup = {"go", "install", u}
 
-  vim.fn.jobstart(
-    setup,
-    {
-      on_stdout = function(c, data, name)
-        print(data)
-      end
-    }
-  )
+  vim.fn.jobstart(setup, {
+    on_stdout = function(c, data, name)
+      print(data)
+    end
+  })
 end
 
 local function install(bin)
@@ -53,7 +51,7 @@ local function install(bin)
 end
 
 local function update(bin)
-  go_install(bin)  
+  go_install(bin)
 end
 
 local function install_all()