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Check LSP capabilities before using them

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w0rp
2018-07-22 19:04:45 +01:00
parent 899b61c5cc
commit 6dc737cda1
13 changed files with 389 additions and 231 deletions
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58
autoload/ale/hover.vim
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@@ -93,45 +93,51 @@ function! ale#hover#HandleLSPResponse(conn_id, response) abort
endfunction
function! s:ShowDetails(linter, buffer, line, column, opt) abort
let l:Callback = a:linter.lsp is# 'tsserver'
\ ? function('ale#hover#HandleTSServerResponse')
\ : function('ale#hover#HandleLSPResponse')
let l:lsp_details = ale#lsp_linter#StartLSP(a:buffer, a:linter, l:Callback)
let l:lsp_details = ale#lsp_linter#StartLSP(a:buffer, a:linter)
if empty(l:lsp_details)
return 0
endif
let l:id = l:lsp_details.connection_id
let l:root = l:lsp_details.project_root
let l:language_id = l:lsp_details.language_id
if a:linter.lsp is# 'tsserver'
let l:column = a:column
function! OnReady(...) abort closure
let l:Callback = a:linter.lsp is# 'tsserver'
\ ? function('ale#hover#HandleTSServerResponse')
\ : function('ale#hover#HandleLSPResponse')
call ale#lsp#RegisterCallback(l:id, l:Callback)
let l:message = ale#lsp#tsserver_message#Quickinfo(
\ a:buffer,
\ a:line,
\ l:column
\)
else
" Send a message saying the buffer has changed first, or the
" hover position probably won't make sense.
call ale#lsp#NotifyForChanges(l:lsp_details)
if a:linter.lsp is# 'tsserver'
let l:column = a:column
let l:column = min([a:column, len(getbufline(a:buffer, a:line)[0])])
let l:message = ale#lsp#tsserver_message#Quickinfo(
\ a:buffer,
\ a:line,
\ l:column
\)
else
" Send a message saying the buffer has changed first, or the
" hover position probably won't make sense.
call ale#lsp#NotifyForChanges(l:id, l:root, a:buffer)
let l:message = ale#lsp#message#Hover(a:buffer, a:line, l:column)
endif
let l:column = min([a:column, len(getbufline(a:buffer, a:line)[0])])
let l:request_id = ale#lsp#Send(l:id, l:message, l:lsp_details.project_root)
let l:message = ale#lsp#message#Hover(a:buffer, a:line, l:column)
endif
let s:hover_map[l:request_id] = {
\ 'buffer': a:buffer,
\ 'line': a:line,
\ 'column': l:column,
\ 'hover_from_balloonexpr': get(a:opt, 'called_from_balloonexpr', 0),
\}
let l:request_id = ale#lsp#Send(l:id, l:message, l:lsp_details.project_root)
let s:hover_map[l:request_id] = {
\ 'buffer': a:buffer,
\ 'line': a:line,
\ 'column': l:column,
\ 'hover_from_balloonexpr': get(a:opt, 'called_from_balloonexpr', 0),
\}
endfunction
call ale#lsp#WaitForCapability(l:id, l:root, 'hover', function('OnReady'))
endfunction
" Obtain Hover information for the specified position