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dotfiles/dot_vim/plugged/vim-vsnip-integ/autoload/vsnip_integ.vim

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let s:TextEdit = vital#vsnip#import('VS.LSP.TextEdit')
let s:Position = vital#vsnip#import('VS.LSP.Position')
let s:stop_complete_done = v:false
let s:stop_complete_done_after = v:false
"
" CompleteDone context.
"
" When completed LSP item, context will have `completion_item` key.
" When completed snippet item, context will have `snippet` key.
"
let s:context = {
\ 'done_line': '',
\ 'done_pos': [],
\ 'completed_item': v:null,
\ 'sources': [],
\
\ 'snippet': '',
\
\ 'complete_position': {},
\ 'completion_item': v:null,
\ }
inoremap <silent> <Plug>(vsnip_integ:on_complete_done_after) <C-r>=<SID>on_complete_done_after()<CR>
"
" vsnip_integ#skip_complete_done_after
"
function! vsnip_integ#skip_complete_done_after() abort
let s:stop_complete_done_after = v:true
call timer_start(0, { -> execute('let s:stop_complete_done_after = v:false') })
endfunction
"
" vsnip_integ#do_complete_done
"
" @param context = {
" completed_item: v:completed_item;
" completion_item: LSP.CompletionItem;
" complete_position?: LSP.Position; // that sent on `textDocument/completion`
" apply_additional_text_edits: v:true | v:false;
" } | {
" completed_item: v:completed_item;
" snippet: string; // that's format is LSP's snippet format
" }
"
function! vsnip_integ#do_complete_done(context) abort
if s:stop_complete_done | return | endif
let s:stop_complete_done = v:true
call timer_start(0, { -> execute('let s:stop_complete_done = v:false') })
let s:context = {
\ 'done_line': getline('.'),
\ 'done_pos': getcurpos(),
\ 'completed_item': a:context.completed_item,
\ 'sources': [],
\
\ 'snippet': get(a:context, 'snippet', v:null),
\
\ 'completion_item': get(a:context, 'completion_item', v:null),
\ 'complete_position': get(a:context, 'complete_position', v:null),
\ 'apply_additional_text_edits': get(a:context, 'apply_additional_text_edits', v:false),
\ }
call feedkeys("\<Plug>(vsnip_integ:on_complete_done_after)")
endfunction
"
" vsnip_integ#on_complete_done
"
function! vsnip_integ#on_complete_done(completed_item) abort
let l:context = s:extract_user_data(a:completed_item)
if !empty(l:context)
if s:stop_complete_done | return | endif
let s:stop_complete_done = v:true
call timer_start(0, { -> execute('let s:stop_complete_done = v:false') })
let s:context = extend(l:context, {
\ 'done_line': getline('.'),
\ 'done_pos': getcurpos(),
\ 'completed_item': a:completed_item,
\ 'apply_additional_text_edits': v:true,
\ })
call feedkeys("\<Plug>(vsnip_integ:on_complete_done_after)")
endif
endfunction
"
" on_complete_done_after
"
function! s:on_complete_done_after() abort
if s:stop_complete_done_after | return '' | endif
" Fix lnum for external additionalTextEdits
let s:context.done_pos[1] = getcurpos()[1]
" Check <BS> or <C-h>
if strlen(getline('.')) < strlen(s:context.done_line)
return ''
endif
" Remove completed text
let l:expand_text = s:get_expand_text(s:context)
if strlen(l:expand_text) > 0
call s:remove_completed_text(s:context)
endif
" additionalTextEdits
if get(s:context, 'apply_additional_text_edits', v:false)
call s:apply_additional_text_edits(s:context)
endif
" Expand snippet.
if strlen(l:expand_text) > 0
call vsnip#anonymous(l:expand_text)
endif
return ''
endfunction
"
" get_expand_text
"
function! s:get_expand_text(context) abort
let l:done_line = a:context.done_line
let l:done_pos = a:context.done_pos
let l:completed_item = a:context.completed_item
let l:snippet = get(a:context, 'snippet', v:null)
let l:completion_item = get(a:context, 'completion_item', v:null)
" Snippet body.
if l:snippet isnot# v:null
return type(l:snippet) == type([]) ? join(l:snippet, "\n") : l:snippet
endif
" LSP CompletionItem.
if l:completion_item isnot# v:null
let l:word = l:completed_item.word
if has_key(l:completion_item, 'textEdit') && type(l:completion_item.textEdit) == type({})
let l:lsp_done_pos = s:Position.vim_to_lsp('%', [l:done_pos[1], l:done_pos[2] + l:done_pos[3]])
let l:text_edit = copy(l:completion_item.textEdit)
let l:text_edit.range.start.character = min([l:lsp_done_pos['character'] - strchars(l:word), l:text_edit.range.start.character])
let l:text_edit.range.end.character = max([l:lsp_done_pos['character'], l:text_edit.range.end.character])
let l:text_edit_before = strcharpart(l:done_line, 0, l:completion_item.textEdit.range.start.character)
let l:text_edit_after = strcharpart(l:done_line, l:completion_item.textEdit.range.end.character, strchars(l:done_line) - l:completion_item.textEdit.range.end.character)
if l:done_line !=# l:text_edit_before . s:trim_unmeaning_tabstop(l:completion_item.textEdit.newText) . l:text_edit_after
return l:completion_item.textEdit.newText
endif
elseif has_key(l:completion_item, 'insertText') && type(l:completion_item.insertText) == type('')
if l:word !=# s:trim_unmeaning_tabstop(l:completion_item.insertText)
return l:completion_item.insertText
endif
endif
endif
return ''
endfunction
"
" apply_additional_text_edits
"
function! s:apply_additional_text_edits(context) abort
if type(get(a:context, 'completion_item', v:null)) != type({})
return
endif
if type(get(a:context.completion_item, 'additionalTextEdits', v:null)) != type([])
return
endif
if len(a:context.completion_item.additionalTextEdits) == 0
return
endif
" Special ignore case (Some lsp clients will expand additionalTextEdits by itself).
for l:id in ['lcn', 'vimlsp']
if index(s:context.sources, l:id) >= 0 && vsnip_integ#detection#exists(l:id)
return
endif
endfor
call s:TextEdit.apply(bufnr('%'), a:context.completion_item.additionalTextEdits)
endfunction
"
" remove_completed_text
"
function! s:remove_completed_text(context) abort
let l:done_line = a:context.done_line
let l:done_pos = a:context.done_pos
let l:completed_item = a:context.completed_item
let l:completion_item = get(a:context, 'completion_item', v:null)
let l:complete_position = get(a:context, 'complete_position', v:null)
let l:lsp_done_pos = s:Position.vim_to_lsp('%', [l:done_pos[1], l:done_pos[2] + l:done_pos[3]])
" Remove trigger character.
call setline('.', l:done_line)
" Create range to remove.
let l:range = {
\ 'start': {
\ 'line': l:lsp_done_pos['line'],
\ 'character': l:lsp_done_pos['character'] - strchars(l:completed_item.word)
\ },
\ 'end': l:lsp_done_pos
\ }
" Support `textEdit` range for LSP CompletionItem.
if !empty(l:completion_item) && has_key(l:completion_item, 'textEdit') && type(l:completion_item.textEdit) == type({})
let l:range.start.character = min([l:range.start.character, l:completion_item.textEdit.range.start.character])
let l:range.end.character = max([l:range.end.character, l:completion_item.textEdit.range.end.character])
endif
" Remove range.
call s:TextEdit.apply(bufnr('%'), [{
\ 'range': l:range,
\ 'newText': ''
\ }])
call cursor(s:Position.lsp_to_vim('%', l:range.start))
endfunction
"
" extract_user_data
"
function! s:extract_user_data(completed_item) abort
try
" Has no `user_data`.
if !has_key(a:completed_item, 'user_data')
return {}
endif
" Decode user_data.
let l:user_data = a:completed_item.user_data
if type(l:user_data) == type('')
let l:user_data = json_decode(l:user_data)
elseif s:has_key(l:user_data, 'lspitem')
" ddc-nvim-lsp
return {
\ 'sources': ['ddc'],
\ 'completion_item': json_decode(l:user_data.lspitem)
\ }
endif
" Support dict only.
if type(l:user_data) != type({})
return {}
endif
if vsnip_integ#detection#exists('yegappan_lsp') && has_key(l:user_data, 'label')
return {
\ 'sources': ['yegappan_lsp'],
\ 'completion_item': l:user_data
\ }
endif
" LanguageClient-neovim
if s:has_key(l:user_data, 'lspitem')
return {
\ 'sources': ['lcn'],
\ 'completion_item': l:user_data.lspitem
\ }
endif
" neovim built-in
if s:has_key(l:user_data, 'nvim') && s:has_key(l:user_data.nvim, 'lsp') && s:has_key(l:user_data.nvim.lsp, 'completion_item')
return {
\ 'sources': ['nvim'],
\ 'completion_item': l:user_data.nvim.lsp.completion_item
\ }
endif
" neovim built-in
if s:has_key(l:user_data, 'lsp') && s:has_key(l:user_data.lsp, 'completion_item')
return {
\ 'sources': ['nvim'],
\ 'completion_item': l:user_data.lsp.completion_item
\ }
endif
" vim-lsc
if s:has_key(l:user_data, 'snippet') && s:has_key(l:user_data, 'snippet_trigger')
return {
\ 'sources': ['lsc'],
\ 'snippet': l:user_data.snippet
\ }
endif
" vsnip
if s:has_key(l:user_data, 'vsnip')
return {
\ 'sources': ['vsnip'],
\ 'snippet': join(l:user_data.vsnip.snippet, "\n")
\ }
endif
catch /.*/
if g:vsnip_integ_debug
echomsg string([v:exception, v:throwpoint])
endif
endtry
return {}
endfunction
"
" has_key
"
function! s:has_key(maybe_dict, key) abort
if type(a:maybe_dict) != type({})
return v:false
endif
return has_key(a:maybe_dict, a:key)
endfunction
"
" trim_unmeaning_tabstop
"
function! s:trim_unmeaning_tabstop(text) abort
return substitute(a:text, '\%(\$0\|\${0}\)$', '', 'g')
endfunction