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" Author: Jerko Steiner <jerko.steiner@gmail.com>
" Description: Rename symbol support for LSP / tsserver
let s:rename_map = {}
" Used to get the rename map in tests.
function! ale#rename#GetMap() abort
return deepcopy(s:rename_map)
endfunction
" Used to set the rename map in tests.
function! ale#rename#SetMap(map) abort
let s:rename_map = a:map
endfunction
function! ale#rename#ClearLSPData() abort
let s:rename_map = {}
endfunction
let g:ale_rename_tsserver_find_in_comments = get(g:, 'ale_rename_tsserver_find_in_comments')
let g:ale_rename_tsserver_find_in_strings = get(g:, 'ale_rename_tsserver_find_in_strings')
function! s:message(message) abort
call ale#util#Execute('echom ' . string(a:message))
endfunction
function! ale#rename#HandleTSServerResponse(conn_id, response) abort
if get(a:response, 'command', '') isnot# 'rename'
return
endif
if !has_key(s:rename_map, a:response.request_seq)
return
endif
let l:options = remove(s:rename_map, a:response.request_seq)
let l:old_name = l:options.old_name
let l:new_name = l:options.new_name
if get(a:response, 'success', v:false) is v:false
let l:message = get(a:response, 'message', 'unknown')
call s:message('Error renaming "' . l:old_name . '" to: "' . l:new_name
\ . '". Reason: ' . l:message)
return
endif
let l:changes = []
for l:response_item in a:response.body.locs
let l:filename = l:response_item.file
let l:text_changes = []
for l:loc in l:response_item.locs
call add(l:text_changes, {
\ 'start': {
\ 'line': l:loc.start.line,
\ 'offset': l:loc.start.offset,
\ },
\ 'end': {
\ 'line': l:loc.end.line,
\ 'offset': l:loc.end.offset,
\ },
\ 'newText': l:new_name,
\})
endfor
call add(l:changes, {
\ 'fileName': l:filename,
\ 'textChanges': l:text_changes,
\})
endfor
if empty(l:changes)
call s:message('Error renaming "' . l:old_name . '" to: "' . l:new_name . '"')
return
endif
call ale#code_action#HandleCodeAction(
\ {
\ 'description': 'rename',
\ 'changes': l:changes,
\ },
\ {
\ 'conn_id': a:conn_id,
\ 'should_save': !&hidden,
\ },
\)
endfunction
function! ale#rename#HandleLSPResponse(conn_id, response) abort
if has_key(a:response, 'id')
\&& has_key(s:rename_map, a:response.id)
let l:options = remove(s:rename_map, a:response.id)
if !has_key(a:response, 'result')
call s:message('No rename result received from server')
return
endif
let l:changes_map = ale#code_action#GetChanges(a:response.result)
if empty(l:changes_map)
call s:message('No changes received from server')
return
endif
let l:changes = ale#code_action#BuildChangesList(l:changes_map)
call ale#code_action#HandleCodeAction(
\ {
\ 'description': 'rename',
\ 'changes': l:changes,
\ },
\ {
\ 'conn_id': a:conn_id,
\ 'should_save': !&hidden,
\ },
\)
endif
endfunction
function! s:OnReady(line, column, options, linter, lsp_details) abort
let l:id = a:lsp_details.connection_id
if !ale#lsp#HasCapability(l:id, 'rename')
return
endif
let l:buffer = a:lsp_details.buffer
let l:Callback = a:linter.lsp is# 'tsserver'
\ ? function('ale#rename#HandleTSServerResponse')
\ : function('ale#rename#HandleLSPResponse')
call ale#lsp#RegisterCallback(l:id, l:Callback)
if a:linter.lsp is# 'tsserver'
let l:message = ale#lsp#tsserver_message#Rename(
\ l:buffer,
\ a:line,
\ a:column,
\ g:ale_rename_tsserver_find_in_comments,
\ g:ale_rename_tsserver_find_in_strings,
\)
else
" Send a message saying the buffer has changed first, or the
" rename position probably won't make sense.
call ale#lsp#NotifyForChanges(l:id, l:buffer)
let l:message = ale#lsp#message#Rename(
\ l:buffer,
\ a:line,
\ a:column,
\ a:options.new_name
\)
endif
let l:request_id = ale#lsp#Send(l:id, l:message)
let s:rename_map[l:request_id] = a:options
endfunction
function! s:ExecuteRename(linter, options) abort
let l:buffer = bufnr('')
let [l:line, l:column] = getpos('.')[1:2]
if a:linter.lsp isnot# 'tsserver'
let l:column = min([l:column, len(getline(l:line))])
endif
let l:Callback = function('s:OnReady', [l:line, l:column, a:options])
call ale#lsp_linter#StartLSP(l:buffer, a:linter, l:Callback)
endfunction
function! ale#rename#Execute() abort
let l:lsp_linters = []
for l:linter in ale#linter#Get(&filetype)
if !empty(l:linter.lsp)
call add(l:lsp_linters, l:linter)
endif
endfor
if empty(l:lsp_linters)
call s:message('No active LSPs')
return
endif
let l:old_name = expand('<cword>')
let l:new_name = ale#util#Input('New name: ', l:old_name)
if empty(l:new_name)
call s:message('New name cannot be empty!')
return
endif
for l:lsp_linter in l:lsp_linters
call s:ExecuteRename(l:lsp_linter, {
\ 'old_name': l:old_name,
\ 'new_name': l:new_name,
\})
endfor
endfunction
|
