feat!: increase minimum vim/nvim versions

README.md

@@ -27,7 +27,7 @@ _Custom popup menu with snippet support_
 
 ## Quick Start
 
-Make sure use Vim >= 8.1.1719 or Neovim >= 0.4.0.
+Make sure use Vim >= 9.0.0438 or Neovim >= 0.8.0.
 
 Install [nodejs](https://nodejs.org/en/download/) >= 16.18.0:
 

autoload/coc.vim

@@ -10,7 +10,6 @@ let s:error_sign = get(g:, 'coc_status_error_sign', has('mac') && s:utf ? "\u274
 let s:warning_sign = get(g:, 'coc_status_warning_sign', has('mac') && s:utf ? "\u26a0\ufe0f " : 'W ')
 let s:select_api = exists('*nvim_select_popupmenu_item')
 let s:callbacks = {}
-let s:hide_pum = has('nvim-0.6.1') || has('patch-8.2.3389')
 
 function! coc#expandable() abort
   return coc#rpc#request('snippetCheck', [1, 0])
@@ -42,7 +41,7 @@ function! coc#_insert_key(method, key, ...) abort
   if get(a:, 1, 1)
     if coc#pum#visible()
       let prefix = "\<C-r>=coc#pum#close()\<CR>"
-    elseif pumvisible() && s:hide_pum
+    elseif pumvisible()
       let prefix = "\<C-x>\<C-z>"
     endif
   endif

autoload/coc/client.vim

@@ -50,6 +50,7 @@ function! s:start() dict
       echohl MoreMsg | echo '[coc.nvim] channel log to '.file | echohl None
     endif
     let options = {
+          \ 'noblock': 1,
           \ 'in_mode': 'json',
           \ 'out_mode': 'json',
           \ 'err_mode': 'nl',
@@ -61,9 +62,6 @@ function! s:start() dict
             \ 'TMPDIR': tmpdir,
           \ }
           \}
-    if has("patch-8.1.350")
-      let options['noblock'] = 1
-    endif
     let job = job_start(self.command, options)
     let status = job_status(job)
     if status !=# 'run'
@@ -74,32 +72,13 @@ function! s:start() dict
     let self['running'] = 1
     let self['channel'] = job_getchannel(job)
   else
-    let original = {}
     let opts = {
           \ 'rpc': 1,
           \ 'on_stderr': {channel, msgs -> s:on_stderr(self.name, msgs)},
           \ 'on_exit': {channel, code -> s:on_exit(self.name, code)},
+          \ 'env': { 'NODE_NO_WARNINGS': '1', 'TMPDIR': tmpdir }
           \ }
-    if has('nvim-0.5.0')
-      " could use env option
-      let opts['env'] = {
-          \ 'NODE_NO_WARNINGS': '1',
-          \ 'TMPDIR': tmpdir
-          \ }
-    else
-      let original = {
-            \ 'NODE_NO_WARNINGS': getenv('NODE_NO_WARNINGS'),
-            \ 'TMPDIR': getenv('TMPDIR'),
-            \ }
-      call setenv('NODE_NO_WARNINGS', '1')
-      call setenv('TMPDIR', tmpdir)
-    endif
     let chan_id = jobstart(self.command, opts)
-    if !empty(original)
-      for key in keys(original)
-        call setenv(key, original[key])
-      endfor
-    endif
     if chan_id <= 0
       echohl Error | echom 'Failed to start '.self.name.' service' | echohl None
       return

autoload/coc/compat.vim

@@ -64,8 +64,6 @@ function! coc#compat#win_is_valid(winid) abort
   return !empty(getwininfo(a:winid))
 endfunction
 
-" clear matches by window id, not throw on none exists window.
-" may not work on vim < 8.1.1084 & neovim < 0.4.0
 function! coc#compat#clear_matches(winid) abort
   if !coc#compat#win_is_valid(a:winid)
     return
@@ -76,9 +74,7 @@ function! coc#compat#clear_matches(winid) abort
     return
   endif
   if s:is_vim
-    if has('patch-8.1.1084')
-      call clearmatches(a:winid)
-    endif
+    call clearmatches(a:winid)
   else
     if exists('*nvim_set_current_win')
       noa call nvim_set_current_win(a:winid)
@@ -93,13 +89,7 @@ function! coc#compat#matchaddpos(group, pos, priority, winid) abort
   if curr == a:winid
     call matchaddpos(a:group, a:pos, a:priority, -1)
   else
-    if s:is_vim
-      if has('patch-8.1.0218')
-        call matchaddpos(a:group, a:pos, a:priority, -1, {'window': a:winid})
-      endif
-    else
-      call matchaddpos(a:group, a:pos, a:priority, -1, {'window': a:winid})
-    endif
+    call matchaddpos(a:group, a:pos, a:priority, -1, {'window': a:winid})
   endif
 endfunction
 

autoload/coc/dialog.vim

@@ -78,14 +78,6 @@ function! coc#dialog#create_cursor_float(winid, bufnr, lines, config) abort
   if index(modes, mode) == -1
     return v:null
   endif
-  if !s:is_vim && !has('nvim-0.5.0') && mode ==# 'i'
-    " helps to fix undo issue, don't know why.
-    call feedkeys("\<C-g>u", 'n')
-  endif
-  if mode ==# 's' && has('patch-8.2.4969') && !has('patch-8.2.4996')
-    echohl WarningMsg | echon 'Popup not created to avoid issue #10466 on vim >= 8.2.4969' | echohl None
-    return v:null
-  endif
   let dimension = coc#dialog#get_config_cursor(a:lines, a:config)
   if empty(dimension)
     return v:null
@@ -114,9 +106,6 @@ endfunction
 
 " Use terminal buffer
 function! coc#dialog#_create_prompt_vim(title, default, opts) abort
-  if !has('patch-8.2.0750')
-    throw 'Input box not supported on vim < 8.2.0750'
-  endif
   execute 'hi link CocPopupTerminal '.get(a:opts, 'highlight', 'CocFloating')
   let node =  expand(get(g:, 'coc_node_path', 'node'))
   let placeHolder = get(a:opts, 'placeHolder', '')
@@ -174,17 +163,14 @@ function! coc#dialog#_create_prompt_nvim(title, default, opts) abort
     call feedkeys("\<esc>A", 'int')
   endif
   let placeHolder = get(a:opts, 'placeHolder', '')
-  if empty(a:default) && !empty(placeHolder) && has('nvim-0.5.0')
+  if empty(a:default) && !empty(placeHolder)
     let src_id = coc#highlight#create_namespace('input-box')
     call nvim_buf_set_extmark(bufnr, src_id, 0, 0, {
           \ 'virt_text': [[placeHolder, 'CocInputBoxVirtualText']],
           \ 'virt_text_pos': 'overlay',
           \ })
   endif
   call coc#util#do_autocmd('CocOpenFloatPrompt')
-  if !has('nvim-0.6.0')
-    redraw
-  endif
   let id = coc#float#get_related(winid, 'border')
   let pos = nvim_win_get_position(id)
   let dimension = [nvim_win_get_width(id), nvim_win_get_height(id), pos[0], pos[1]]
@@ -575,10 +561,8 @@ function! coc#dialog#change_loading(winid, loading) abort
             \ 'width': 3,
             \ 'height': 1,
             \ 'style': 'minimal',
+            \ 'zindex': 900,
             \ }
-        if has('nvim-0.5.1')
-          let opts['zindex'] = 900
-        endif
         let winid = nvim_open_win(bufnr, v:false, opts)
         call setwinvar(winid, '&winhl', getwinvar(a:winid, '&winhl'))
       endif

autoload/coc/float.vim

@@ -277,7 +277,7 @@ function! coc#float#nvim_border_win(config, borderchars, winid, border, title, h
   if has_key(a:config, 'zindex')
     let opt['zindex'] = a:config['zindex']
   endif
-  if has('nvim-0.5.0') && a:shadow && !a:hasbtn && a:border[2]
+  if a:shadow && !a:hasbtn && a:border[2]
     let opt['border'] = 'shadow'
   endif
   if winid
@@ -332,16 +332,13 @@ function! coc#float#nvim_right_pad(config, winid, shadow, related) abort
   if has_key(a:config, 'zindex')
     let config['zindex'] = a:config['zindex'] + 1
   endif
-  if has('nvim-0.5.0') && a:shadow
+  if a:shadow
     let config['border'] = 'shadow'
   endif
   if winid && nvim_win_is_valid(winid)
-    if has('nvim-0.5.0')
-      call nvim_win_set_config(winid, coc#dict#pick(config, ['relative', 'row', 'col']))
-      call nvim_win_set_height(winid, config['height'])
-      return
-    endif
-    noa call nvim_win_close(winid, 1)
+    call nvim_win_set_config(winid, coc#dict#pick(config, ['relative', 'row', 'col']))
+    call nvim_win_set_height(winid, config['height'])
+    return
   endif
   let s:pad_bufnr = bufloaded(s:pad_bufnr) ? s:pad_bufnr : coc#float#create_buf(0, repeat([''], &lines), 'hide')
   noa let winid = nvim_open_win(s:pad_bufnr, 0, config)
@@ -360,12 +357,10 @@ function! coc#float#nvim_buttons(config, winid, buttons, getchar, borderbottom,
         \ 'relative': a:config['relative'],
         \ 'focusable': 1,
         \ 'style': 'minimal',
+        \ 'zindex': 300,
         \ }
-  if has('nvim-0.5.1')
-    let config['zindex'] = 300
-    if a:shadow
-      let config['border'] = 'shadow'
-    endif
+  if a:shadow
+    let config['border'] = 'shadow'
   endif
   if winid
     let bufnr = winbufnr(winid)
@@ -485,7 +480,7 @@ function! coc#float#nvim_scrollbar(winid) abort
   if has_key(config, 'zindex')
     let opts['zindex'] = config['zindex'] + 2
   endif
-  if has('nvim-0.5.0') && s:has_shadow(config)
+  if s:has_shadow(config)
     let opts['border'] = 'shadow'
   endif
   if id
@@ -768,9 +763,6 @@ endfunction
 " Show float window/popup for user confirm.
 " Create buttons popup on vim
 function! coc#float#vim_buttons(winid, config) abort
-  if !has('patch-8.2.0750')
-    return
-  endif
   let related = getwinvar(a:winid, 'related', [])
   let winid = coc#float#get_related(a:winid, 'buttons')
   let btns = get(a:config, 'buttons', [])
@@ -1061,14 +1053,12 @@ function! s:convert_config_nvim(config, create) abort
   else
     let result['width'] = float2nr(result['width'] + (get(a:config, 'nopad', 0) ? 0 : 1))
   endif
-  if has('nvim-0.5.0') && get(a:config, 'shadow', 0) && a:create
+  if get(a:config, 'shadow', 0) && a:create
     if empty(get(a:config, 'buttons', v:null)) && empty(get(border, 2, 0))
       let result['border'] = 'shadow'
     endif
   endif
-  if has('nvim-0.5.1')
-    let result['zindex'] = get(a:config, 'zindex', 50)
-  endif
+  let result['zindex'] = get(a:config, 'zindex', 50)
   let result['height'] = float2nr(result['height'])
   return result
 endfunction
@@ -1341,7 +1331,7 @@ function! s:set_float_defaults(winid, config) abort
   if exists('&statuscolumn')
     call setwinvar(a:winid, '&statuscolumn', '')
   endif
-  if !s:is_vim || !has("patch-8.2.3100")
+  if has('nvim')
     call setwinvar(a:winid, '&number', 0)
     call setwinvar(a:winid, '&relativenumber', 0)
     call setwinvar(a:winid, '&cursorline', 0)
@@ -1353,15 +1343,9 @@ function! s:set_float_defaults(winid, config) abort
   call setwinvar(a:winid, '&conceallevel', 0)
   call setwinvar(a:winid, '&list', 0)
   call setwinvar(a:winid, '&wrap', !get(a:config, 'cursorline', 0))
-  if s:is_vim || has('nvim-0.5.0')
-    call setwinvar(a:winid, '&scrolloff', 0)
-  endif
-  if has('nvim-0.6.0') || has("patch-8.1.2281")
-    call setwinvar(a:winid, '&showbreak', 'NONE')
-  endif
-  if exists('*win_execute')
-    call win_execute(a:winid, 'setl fillchars+=eob:\ ')
-  endif
+  call setwinvar(a:winid, '&scrolloff', 0)
+  call setwinvar(a:winid, '&showbreak', 'NONE')
+  call win_execute(a:winid, 'setl fillchars+=eob:\ ')
   if get(a:config, 'autohide', 0)
     call setwinvar(a:winid, 'autohide', 1)
   endif
@@ -1372,15 +1356,6 @@ function! s:nvim_add_related(winid, target, kind, winhl, related) abort
   if a:winid <= 0
     return
   endif
-  " minimal not work
-  if !has('nvim-0.4.3')
-    call setwinvar(a:winid, '&colorcolumn', '')
-    call setwinvar(a:winid, '&number', 0)
-    call setwinvar(a:winid, '&relativenumber', 0)
-    call setwinvar(a:winid, '&foldcolumn', 0)
-    call setwinvar(a:winid, '&signcolumn', 0)
-    call setwinvar(a:winid, '&list', 0)
-  endif
   if exists('&statuscolumn')
     call setwinvar(a:winid, '&statuscolumn', '')
   endif