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Fix #907 - Stop LSP integration breaking with empty string keys in NeoVim

This commit is contained in:
w0rp 2017-09-04 00:09:46 +01:00
parent c8de2d9766
commit c6d3d646ac
2 changed files with 65 additions and 6 deletions
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22
autoload/ale/lsp.vim
View File

@ -242,10 +242,14 @@ function! s:HandleCommandMessage(job_id, message) abort
call ale#lsp#HandleMessage(l:conn, a:message)
endfunction
function! s:RegisterProject(conn, project_root) abort
if !has_key(a:conn.projects, a:project_root)
function! ale#lsp#RegisterProject(conn, project_root) abort
" Empty strings can't be used for Dictionary keys in NeoVim, due to E713.
" This appears to be a nonsensical bug in NeoVim.
let l:key = empty(a:project_root) ? '<<EMPTY>>' : a:project_root
if !has_key(a:conn.projects, l:key)
" Tools without project roots are ready right away, like tsserver.
let a:conn.projects[a:project_root] = {
let a:conn.projects[l:key] = {
\ 'initialized': empty(a:project_root),
\ 'init_request_id': 0,
\ 'message_queue': [],
@ -253,6 +257,12 @@ function! s:RegisterProject(conn, project_root) abort
endif
endfunction
function! ale#lsp#GetProject(conn, project_root) abort
let l:key = empty(a:project_root) ? '<<EMPTY>>' : a:project_root
return get(a:conn.projects, l:key, {})
endfunction
" Start a program for LSP servers which run with executables.
"
" The job ID will be returned for for the program if it ran, otherwise
@ -285,7 +295,7 @@ function! ale#lsp#StartProgram(executable, command, project_root, callback) abor
let l:conn.id = l:job_id
" Add the callback to the List if it's not there already.
call uniq(sort(add(l:conn.callback_list, a:callback)))
call s:RegisterProject(l:conn, a:project_root)
call ale#lsp#RegisterProject(l:conn, a:project_root)
return l:job_id
endfunction
@ -311,7 +321,7 @@ function! ale#lsp#ConnectToAddress(address, project_root, callback) abort
let l:conn.id = a:address
" Add the callback to the List if it's not there already.
call uniq(sort(add(l:conn.callback_list, a:callback)))
call s:RegisterProject(l:conn, a:project_root)
call ale#lsp#RegisterProject(l:conn, a:project_root)
return 1
endfunction
@ -344,7 +354,7 @@ function! ale#lsp#Send(conn_id, message, ...) abort
return 0
endif
let l:project = get(l:conn.projects, l:project_root, {})
let l:project = ale#lsp#GetProject(l:conn, l:project_root)
if empty(l:project)
return 0

49
test/lsp/test_lsp_connections.vader
View File

@ -3,6 +3,7 @@ Before:
After:
unlet! b:data
unlet! b:conn
Execute(GetNextMessageID() should increment appropriately):
" We should get the initial ID, and increment a bit.
@ -220,3 +221,51 @@ Execute(ale#lsp#ReadMessageData() should handle a message with part of a second
\ . '{"id":2,"jsonrpc":"2.0","result":{"foo":"barÜ"}}'
\ . b:data
\ )
Execute(Projects with regular project roots should be registered correctly):
let b:conn = {'projects': {}}
call ale#lsp#RegisterProject(b:conn, '/foo/bar')
AssertEqual
\ {
\ 'projects': {
\ '/foo/bar': {'initialized': 0, 'message_queue': [], 'init_request_id': 0},
\ },
\ },
\ b:conn
Execute(Projects with regular project roots should be fetched correctly):
let b:conn = {
\ 'projects': {
\ '/foo/bar': {'initialized': 0, 'message_queue': [], 'init_request_id': 0},
\ },
\}
AssertEqual
\ {'initialized': 0, 'message_queue': [], 'init_request_id': 0},
\ ale#lsp#GetProject(b:conn, '/foo/bar')
Execute(Projects with empty project roots should be registered correctly):
let b:conn = {'projects': {}}
call ale#lsp#RegisterProject(b:conn, '')
AssertEqual
\ {
\ 'projects': {
\ '<<EMPTY>>': {'initialized': 1, 'message_queue': [], 'init_request_id': 0},
\ },
\ },
\ b:conn
Execute(Projects with empty project roots should be fetched correctly):
let b:conn = {
\ 'projects': {
\ '<<EMPTY>>': {'initialized': 1, 'message_queue': [], 'init_request_id': 0},
\ },
\}
AssertEqual
\ {'initialized': 1, 'message_queue': [], 'init_request_id': 0},
\ ale#lsp#GetProject(b:conn, '')