[Bug] Unexpected behaviour when editting file with julia-vim.

[hungpham3112]

Without julia-vim:

bandicam.2022-04-07.09-31-01-172.mp4

With julia-vim:

bandicam.2022-04-07.09-37-52-695.mp4

In the below video, autocomplete is broken in .jl file, but when I switch to .vim file the snippet is fine, and when come back to .jl file, the snippet works miraculously.

bandicam.2022-04-07.09-38-58-294.mp4

Julia settings:

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                             Plugin: Julia-vim                              "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:latex_to_unicode_auto = 1
let g:latex_to_unicode_file_types = ['julia', 'python']

[hungpham3112]

Today I was working with python file, error also happens with python snippets.

[carlobaldassi]

Hello, this will require some additional information. Most importantly: what do you use for the snippets, and how is it configured? Also, possibly less crucial: is this vim or neovim, and which version? What is your operating system?

[hungpham3112]

Hello, this will require some additional information. Most importantly: what do you use for the snippets, and how is it configured? Also, possibly less crucial: is this vim or neovim, and which version? What is your operating system?

Sorry about that:

Vim version:

VIM - Vi IMproved 8.2 (2019 Dec 12, compiled Apr  7 2022 22:02:16)
MS-Windows 64-bit GUI version with OLE support
Included patches: 1-4710
Compiled by appveyor@APPVYR-WIN
Huge version with GUI.  Features included (+) or not (-):
+acl                +cmdline_info       +extra_search       +langmap            +num64              +scrollbind         -termresponse       -vtp
+arabic             +comments           -farsi              +libcall            +ole                +signs              +textobjects        +wildignore
+autocmd            +conceal            +file_in_path       +linebreak          +packages           +smartindent        +textprop           +wildmenu
+autochdir          +cryptv             +find_in_path       +lispindent         +path_extra         +sodium/dyn         -tgetent            +windows
+autoservername     +cscope             +float              +listcmds           +perl/dyn           +sound              +timers             +writebackup
+balloon_eval       +cursorbind         +folding            +localmap           +persistent_undo    +spell              +title              -xfontset
-balloon_eval_term  +cursorshape        -footer             +lua/dyn            +popupwin           +startuptime        +toolbar            -xim
+browse             +dialog_con_gui     +gettext/dyn        +menu               -postscript         +statusline         +user_commands      +xpm_w32
++builtin_terms     +diff               -hangul_input       +mksession          +printer            -sun_workshop       +vartabs            -xterm_save
+byte_offset        +digraphs           +iconv/dyn          +modify_fname       +profile            +syntax             +vertsplit          
+channel            +directx            +insert_expand      +mouse              +python/dyn         +tag_binary         +vim9script         
+cindent            -dnd                +ipv6               +mouseshape         +python3/dyn        -tag_old_static     +viminfo            
+clientserver       -ebcdic             +job                +multi_byte_ime/dyn +quickfix           -tag_any_white      +virtualedit        
+clipboard          +emacs_tags         +jumplist           +multi_lang         +reltime            -tcl                +visual             
+cmdline_compl      +eval               +keymap             +mzscheme/dyn       +rightleft          -termguicolors      +visualextra        
+cmdline_hist       +ex_extra           +lambda             +netbeans_intg      +ruby/dyn           +terminal           +vreplace           
   system vimrc file: "$VIM\vimrc"
     user vimrc file: "$HOME\_vimrc"
 2nd user vimrc file: "$HOME\vimfiles\vimrc"
 3rd user vimrc file: "$VIM\_vimrc"
      user exrc file: "$HOME\_exrc"
  2nd user exrc file: "$VIM\_exrc"
  system gvimrc file: "$VIM\gvimrc"
    user gvimrc file: "$HOME\_gvimrc"
2nd user gvimrc file: "$HOME\vimfiles\gvimrc"
3rd user gvimrc file: "$VIM\_gvimrc"
       defaults file: "$VIMRUNTIME\defaults.vim"
    system menu file: "$VIMRUNTIME\menu.vim"
Compilation: cl -c /W3 /GF /nologo -I. -Iproto -DHAVE_PATHDEF -DWIN32  -DFEAT_CSCOPE -DFEAT_TERMINAL -DFEAT_SOUND -DFEAT_NETBEANS_INTG -DFEAT_JOB_CHANNEL -DFEAT_IPV6   -DFEAT_XPM_W32 -DHAVE_SODIUM -DDYNAMIC_SODIUM -DDYNAMIC_SODIUM_DLL=\"libsodium.dll\" /I "C:\libsodium\include" -DWINVER=0x0501 -D_WIN32_WINNT=0x0501 /source-charset:utf-8 /MP -DHAVE_STDINT_H /Ox /GL -DNDEBUG /Zl /MT /D_CRT_SECURE_NO_DEPRECATE /D_CRT_NONSTDC_NO_DEPRECATE -DFEAT_OLE -DFEAT_MBYTE_IME -DDYNAMIC_IME -DFEAT_GUI_MSWIN -DFEAT_DIRECTX -DDYNAMIC_DIRECTX -DFEAT_DIRECTX_COLOR_EMOJI -DDYNAMIC_ICONV -DDYNAMIC_GETTEXT -DFEAT_LUA -DDYNAMIC_LUA -DDYNAMIC_LUA_DLL=\"lua54.dll\" -DFEAT_PYTHON -DDYNAMIC_PYTHON -DDYNAMIC_PYTHON_DLL=\"python27.dll\" -DFEAT_PYTHON3 -DDYNAMIC_PYTHON3 -DDYNAMIC_PYTHON3_DLL=\"python310.dll\" -DFEAT_MZSCHEME -I "C:\racket\include" -DMZ_PRECISE_GC -DDYNAMIC_MZSCHEME -DDYNAMIC_MZSCH_DLL=\"libracket3m_da32rk.dll\" -DDYNAMIC_MZGC_DLL=\"libracket3m_da32rk.dll\" -DFEAT_PERL -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DDYNAMIC_PERL -DDYNAMIC_PERL_DLL=\"perl532.dll\" -DFEAT_RUBY -DDYNAMIC_RUBY -DDYNAMIC_RUBY_DLL=\"x64-msvcrt-ruby300.dll\" -DRUBY_VERSION=30 -DFEAT_HUGE /Fd.\ObjGXOULYHRZAMD64/ /Zi
Linking: link /nologo /opt:ref /LTCG /HIGHENTROPYVA:NO oldnames.lib kernel32.lib advapi32.lib shell32.lib gdi32.lib  comdlg32.lib ole32.lib netapi32.lib uuid.lib user32.lib  /machine:AMD64 version.lib  winspool.lib comctl32.lib  libcmt.lib oleaut32.lib  /nodefaultlib:lua54.lib  /STACK:8388608  /nodefaultlib:python27.lib /nodefaultlib:python310.lib    winmm.lib WSock32.lib Ws2_32.lib xpm\x64\lib-vc14\libXpm.lib  /PDB:gvim.pdb -debug

OS: Windows 11

I'm using coc.nvim and coc-snippets for completion.

coc.nvim:

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"                             Plugin: Coc-nvim                               "
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
"Completion settings
"Use <tab> for trigger completion and navigate to the next complete item
inoremap <silent><expr> <Tab>
  \ pumvisible() ? "\<C-n>" :
  \ coc#expandableOrJumpable() ?
  \ "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
  \ <SID>check_back_space() ? "\<Tab>" :
  \ coc#refresh()

inoremap <silent><expr> <S-Tab>
  \ pumvisible() ? "\<C-p>" :
  \ coc#refresh()

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

"Select the first completion item and confirm the completion when no item has been selected:
inoremap <silent><expr> <CR> pumvisible() ? coc#_select_confirm()
    \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

let g:coc_snippet_next = '<Tab>'
let g:coc_snippet_prev = '<S-Tab>'

if has('nvim-0.4.0') || has('patch-8.2.0750')
  nnoremap <silent><nowait><expr> <C-d> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  nnoremap <silent><nowait><expr> <C-u> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
  inoremap <silent><nowait><expr> <C-d> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
  inoremap <silent><nowait><expr> <C-u> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
  vnoremap <silent><nowait><expr> <C-d> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  vnoremap <silent><nowait><expr> <C-u> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
    if (index(['vim','help'], &filetype) >= 0)
        execute 'h '.expand('<cword>')
    elseif (coc#rpc#ready())
        call CocActionAsync('doHover')
    else
        execute '!' . &keywordprg . " " . expand('<cword>')
    endif
endfunction

if exists('g:did_coc_loaded') 
    autocmd CursorHold * silent call CocActionAsync('highlight')
endif)

let g:coc_global_extensions = ['coc-json',
            \'coc-vimlsp',
            \'coc-snippets',
            \'coc-powershell',
            \'coc-markdownlint',]

I don't think this is a problem with any settings, because it just happen when I use this plugin. There is probably a conflict with autopairs. For details, look at my repo in here

[hungpham3112]

Is there any update for this issue?

[LunarWatcher]

I initially blamed coc-nvim's async behavior meeting vim's input system and consequently being weird. I was wrong.

The map alone actually behaves lie it should. It's when I enabled julia-vim with LaTeX expansion that stuff fell apart. Here's why:

auto-pairs' <CR> is a <script> mapping. This is stuff that can be expanded normally if normal mapping semantics are followed. You lot don't follow the normal mapping semantics and dump the contents of the map:

julia-vim/autoload/LaTeXtoUnicode.vim

Lines 643 to 645 in fca7e3e

	if a:0 > 1
	call feedkeys(a:2, 'mi')
	endif

you print what you're given, and you literally get <SNR>145_AutoPairsOldCRWrapper73<SNR>145_AutoPairsReturn because that's the literal string of the mapping. Coc.nvim being involved is actually irrelevant. Disabling the <CR> mapping for coc yields <SNR>145_AutoPairsReturn instead, which is still the auto-pairs' <CR> mapping being eaten away.

Coc.nvim doesn't properly conflict with auto-pairs, because it still produces a <CR> that auto-pairs internally eats to produce identical output, as if coc.nvim never did a thing. The beauty of this is that this is in place of <CR>. if an existing map is found, the equivalent previous map is set to `:

https://github.com/LunarWatcher/auto-pairs/blob/489138f98604037e783599b6b88a5496d204c7f1/autoload/autopairs/Keybinds.vim#L219-L231

And because coc.nvim's mapping ends in <cr> in the else condition auto-pairs' functions get eaten into, coc.nvim has no effect. That's an aside.

---

I believe, however, that this can be fixed. Just not easily.

Ternary exists, and can be used. This does create a challenge in terms of priority, but that's honestly just a footnote in the bigger problem. I have no idea what the code for this would look like, but a check for whether or not julia-vim makes a substitution would need to be in place; if it passes, return it (or possibly blank if julia-vim's function is run first, the result stored in a variable, and that variable then gets checked for the ternary). How this works with mixed expr and non-expr is not really something I know, especially if <SNR> or <Plug> are involved. <Plug> has to be mapped, so that alone wipes exec-style approaches off the table.

This would be trivial if Vim had an easy way to signal the early termination of a map, but it doesn't. Everything from this point is ugly instead.

The only other alternative is to not try to be compatible, and just wipe out any existing <CR> maps, at least if it contains SID, SNR, or Plug. <C-R> is sent as a literal key, and I believe feedkeys should be able to interpret it, but everything else will not be.

From a compatibility perspective, it sucks. It'll kill coc.nvim maps as well as auto-pairs. But it'll keep stuff functional, and realistically... these maps are already broken. Auto-pairs just happened to be the very painfully obvious actor that got in between the coc maps and the bad julia-vim maps.

Or, y'know, provide an option to allow remapping the LaTeX expansion key for people who decide they like the feature, just not at the expense of other plugins.