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Use one LSP connection per project

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This commit is contained in:
w0rp 2018-08-24 13:16:58 +01:00
parent 9d7c48038c
commit c4eca7c417
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13 changed files with 286 additions and 467 deletions
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8
autoload/ale/completion.vim
View file

@ -427,7 +427,6 @@ endfunction
function! s:OnReady(linter, lsp_details, ...) abort
let l:buffer = a:lsp_details.buffer
let l:id = a:lsp_details.connection_id
let l:root = a:lsp_details.project_root
" If we have sent a completion request already, don't send another.
if b:ale_completion_info.request_id
@ -449,7 +448,7 @@ function! s:OnReady(linter, lsp_details, ...) abort
else
" Send a message saying the buffer has changed first, otherwise
" completions won't know what text is nearby.
call ale#lsp#NotifyForChanges(l:id, l:root, l:buffer)
call ale#lsp#NotifyForChanges(l:id, l:buffer)
" For LSP completions, we need to clamp the column to the length of
" the line. python-language-server and perhaps others do not implement
@ -465,7 +464,7 @@ function! s:OnReady(linter, lsp_details, ...) abort
\)
endif
let l:request_id = ale#lsp#Send(l:id, l:message, l:root)
let l:request_id = ale#lsp#Send(l:id, l:message)
if l:request_id
let b:ale_completion_info.conn_id = l:id
@ -486,11 +485,10 @@ function! s:GetLSPCompletions(linter) abort
endif
let l:id = l:lsp_details.connection_id
let l:root = l:lsp_details.project_root
let l:OnReady = function('s:OnReady', [a:linter, l:lsp_details])
call ale#lsp#WaitForCapability(l:id, l:root, 'completion', l:OnReady)
call ale#lsp#WaitForCapability(l:id, 'completion', l:OnReady)
endfunction
function! ale#completion#GetCompletions() abort

12
autoload/ale/definition.vim
View file

@ -60,7 +60,6 @@ endfunction
function! s:OnReady(linter, lsp_details, line, column, options, ...) abort
let l:buffer = a:lsp_details.buffer
let l:id = a:lsp_details.connection_id
let l:root = a:lsp_details.project_root
let l:Callback = a:linter.lsp is# 'tsserver'
\ ? function('ale#definition#HandleTSServerResponse')
@ -76,7 +75,7 @@ function! s:OnReady(linter, lsp_details, line, column, options, ...) abort
else
" Send a message saying the buffer has changed first, or the
" definition position probably won't make sense.
call ale#lsp#NotifyForChanges(l:id, l:root, l:buffer)
call ale#lsp#NotifyForChanges(l:id, l:buffer)
" For LSP completions, we need to clamp the column to the length of
" the line. python-language-server and perhaps others do not implement
@ -84,7 +83,7 @@ function! s:OnReady(linter, lsp_details, line, column, options, ...) abort
let l:message = ale#lsp#message#Definition(l:buffer, a:line, a:column)
endif
let l:request_id = ale#lsp#Send(l:id, l:message, l:root)
let l:request_id = ale#lsp#Send(l:id, l:message)
let s:go_to_definition_map[l:request_id] = {
\ 'open_in_tab': get(a:options, 'open_in_tab', 0),
@ -105,13 +104,10 @@ function! s:GoToLSPDefinition(linter, options) abort
endif
let l:id = l:lsp_details.connection_id
let l:root = l:lsp_details.project_root
let l:OnReady = function('s:OnReady', [
call ale#lsp#WaitForCapability(l:id, 'definition', function('s:OnReady', [
\ a:linter, l:lsp_details, l:line, l:column, a:options
\])
call ale#lsp#WaitForCapability(l:id, l:root, 'definition', l:OnReady)
\]))
endfunction
function! ale#definition#GoTo(options) abort

12
autoload/ale/hover.vim
View file

@ -95,7 +95,6 @@ endfunction
function! s:OnReady(linter, lsp_details, line, column, opt, ...) abort
let l:buffer = a:lsp_details.buffer
let l:id = a:lsp_details.connection_id
let l:root = a:lsp_details.project_root
let l:Callback = a:linter.lsp is# 'tsserver'
\ ? function('ale#hover#HandleTSServerResponse')
@ -113,14 +112,14 @@ function! s:OnReady(linter, lsp_details, line, column, opt, ...) abort
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, l:buffer)
call ale#lsp#NotifyForChanges(l:id, l:buffer)
let l:column = min([a:column, len(getbufline(l:buffer, a:line)[0])])
let l:message = ale#lsp#message#Hover(l:buffer, a:line, l:column)
endif
let l:request_id = ale#lsp#Send(l:id, l:message, l:root)
let l:request_id = ale#lsp#Send(l:id, l:message)
let s:hover_map[l:request_id] = {
\ 'buffer': l:buffer,
@ -138,13 +137,10 @@ function! s:ShowDetails(linter, buffer, line, column, opt, ...) abort
endif
let l:id = l:lsp_details.connection_id
let l:root = l:lsp_details.project_root
let l:OnReady = function('s:OnReady', [
call ale#lsp#WaitForCapability(l:id, 'hover', function('s:OnReady', [
\ a:linter, l:lsp_details, a:line, a:column, a:opt
\])
call ale#lsp#WaitForCapability(l:id, l:root, 'hover', l:OnReady)
\]))
endfunction
" Obtain Hover information for the specified position

413
autoload/ale/lsp.vim
View file

@ -1,62 +1,66 @@
" Author: w0rp <devw0rp@gmail.com>
" Description: Language Server Protocol client code
" A List of connections, used for tracking servers which have been connected
" to, and programs which are run.
let s:connections = get(s:, 'connections', [])
" A Dictionary for tracking connections.
let s:connections = get(s:, 'connections', {})
let g:ale_lsp_next_message_id = 1
" Exposed only so tests can get at it.
" Do not call this function basically anywhere.
function! ale#lsp#NewConnection(initialization_options) abort
" id: The job ID as a Number, or the server address as a string.
" data: The message data received so far.
" executable: An executable only set for program connections.
" open_documents: A Dictionary mapping buffers to b:changedtick, keeping
" track of when documents were opened, and when we last changed them.
" callback_list: A list of callbacks for handling LSP responses.
" initialization_options: Options to send to the server.
" capabilities: Features the server supports.
let l:conn = {
\ 'is_tsserver': 0,
\ 'id': '',
\ 'data': '',
\ 'projects': {},
\ 'open_documents': {},
\ 'callback_list': [],
\ 'initialization_options': a:initialization_options,
\ 'capabilities': {
\ 'hover': 0,
\ 'references': 0,
\ 'completion': 0,
\ 'completion_trigger_characters': [],
\ 'definition': 0,
\ },
\}
" Given an id, which can be an executable or address, and a project path,
" create a new connection if needed. Return a unique ID for the connection.
function! ale#lsp#Register(executable_or_address, project, init_options) abort
let l:conn_id = a:executable_or_address . ':' . a:project
call add(s:connections, l:conn)
if !has_key(s:connections, l:conn_id)
" is_tsserver: 1 if the connection is for tsserver.
" data: The message data received so far.
" root: The project root.
" open_documents: A Dictionary mapping buffers to b:changedtick, keeping
" track of when documents were opened, and when we last changed them.
" initialized: 0 if the connection is ready, 1 otherwise.
" init_request_id: The ID for the init request.
" init_options: Options to send to the server.
" callback_list: A list of callbacks for handling LSP responses.
" message_queue: Messages queued for sending to callbacks.
" capabilities_queue: The list of callbacks to call with capabilities.
" capabilities: Features the server supports.
let s:connections[l:conn_id] = {
\ 'is_tsserver': 0,
\ 'data': '',
\ 'root': a:project,
\ 'open_documents': {},
\ 'initialized': 0,
\ 'init_request_id': 0,
\ 'init_options': a:init_options,
\ 'callback_list': [],
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ 'capabilities': {
\ 'hover': 0,
\ 'references': 0,
\ 'completion': 0,
\ 'completion_trigger_characters': [],
\ 'definition': 0,
\ },
\}
endif
return l:conn
return l:conn_id
endfunction
" Remove an LSP connection with a given ID. This is only for tests.
function! ale#lsp#RemoveConnectionWithID(id) abort
call filter(s:connections, 'v:val.id isnot a:id')
if has_key(s:connections, a:id)
call remove(s:connections, a:id)
endif
endfunction
function! s:FindConnection(key, value) abort
for l:conn in s:connections
if has_key(l:conn, a:key) && get(l:conn, a:key) is# a:value
return l:conn
endif
endfor
" This is only needed for tests
function! ale#lsp#MarkDocumentAsOpen(id, buffer) abort
let l:conn = get(s:connections, a:id, {})
return {}
endfunction
" Get the capabilities for a connection, or an empty Dictionary.
function! ale#lsp#GetConnectionCapabilities(id) abort
return get(s:FindConnection('id', a:id), 'capabilities', {})
if !empty(l:conn)
let l:conn.open_documents[a:buffer] = -1
endif
endfunction
function! ale#lsp#GetNextMessageID() abort
@ -100,7 +104,7 @@ endfunction
" Given a List of one or two items, [method_name] or [method_name, params],
" return a List containing [message_id, message_data]
function! ale#lsp#CreateMessageData(message) abort
if a:message[1] =~# '^ts@'
if a:message[1][:2] is# 'ts@'
return s:CreateTSServerMessageData(a:message)
endif
@ -167,49 +171,6 @@ function! ale#lsp#ReadMessageData(data) abort
return [l:remainder, l:response_list]
endfunction
function! s:FindProjectWithInitRequestID(conn, init_request_id) abort
for l:project_root in keys(a:conn.projects)
let l:project = a:conn.projects[l:project_root]
if l:project.init_request_id == a:init_request_id
return l:project
endif
endfor
return {}
endfunction
function! s:MarkProjectAsInitialized(conn, project) abort
let a:project.initialized = 1
" After the server starts, send messages we had queued previously.
for l:message_data in a:project.message_queue
call s:SendMessageData(a:conn, l:message_data)
endfor
" Remove the messages now.
let a:conn.message_queue = []
" Call capabilities callbacks queued for the project.
for [l:capability, l:Callback] in a:project.capabilities_queue
if a:conn.is_tsserver || a:conn.capabilities[l:capability]
call call(l:Callback, [a:conn.id, a:project.root])
endif
endfor
" Clear the queued callbacks now.
let a:project.capabilities_queue = []
endfunction
function! s:HandleInitializeResponse(conn, response) abort
let l:request_id = a:response.request_id
let l:project = s:FindProjectWithInitRequestID(a:conn, l:request_id)
if !empty(l:project)
call s:MarkProjectAsInitialized(a:conn, l:project)
endif
endfunction
" Update capabilities from the server, so we know which features the server
" supports.
function! s:UpdateCapabilities(conn, capabilities) abort
@ -242,166 +203,138 @@ function! s:UpdateCapabilities(conn, capabilities) abort
endif
endfunction
function! ale#lsp#HandleOtherInitializeResponses(conn, response) abort
let l:uninitialized_projects = []
function! ale#lsp#HandleInitResponse(conn, response) abort
if get(a:response, 'method', '') is# 'initialize'
let a:conn.initialized = 1
elseif type(get(a:response, 'result')) is v:t_dict
\&& has_key(a:response.result, 'capabilities')
call s:UpdateCapabilities(a:conn, a:response.result.capabilities)
for [l:key, l:value] in items(a:conn.projects)
if l:value.initialized == 0
call add(l:uninitialized_projects, [l:key, l:value])
endif
endfor
let a:conn.initialized = 1
endif
if empty(l:uninitialized_projects)
if !a:conn.initialized
return
endif
if get(a:response, 'method', '') is# ''
if type(get(a:response, 'result')) is v:t_dict
\&& has_key(a:response.result, 'capabilities')
call s:UpdateCapabilities(a:conn, a:response.result.capabilities)
" After the server starts, send messages we had queued previously.
for l:message_data in a:conn.message_queue
call s:SendMessageData(a:conn, l:message_data)
endfor
for [l:dir, l:project] in l:uninitialized_projects
call s:MarkProjectAsInitialized(a:conn, l:project)
endfor
" Remove the messages now.
let a:conn.message_queue = []
" Call capabilities callbacks queued for the project.
for [l:capability, l:Callback] in a:conn.capabilities_queue
if a:conn.capabilities[l:capability]
call call(l:Callback, [a:conn.id])
endif
elseif get(a:response, 'method', '') is# 'textDocument/publishDiagnostics'
let l:filename = ale#path#FromURI(a:response.params.uri)
endfor
for [l:dir, l:project] in l:uninitialized_projects
if l:filename[:len(l:dir) - 1] is# l:dir
call s:MarkProjectAsInitialized(a:conn, l:project)
endif
endfor
endif
let a:conn.capabilities_queue = []
endfunction
function! ale#lsp#HandleMessage(conn, message) abort
function! ale#lsp#HandleMessage(conn_id, message) abort
let l:conn = get(s:connections, a:conn_id, {})
if empty(l:conn)
return
endif
if type(a:message) isnot v:t_string
" Ignore messages that aren't strings.
return
endif
let a:conn.data .= a:message
let l:conn.data .= a:message
" Parse the objects now if we can, and keep the remaining text.
let [a:conn.data, l:response_list] = ale#lsp#ReadMessageData(a:conn.data)
let [l:conn.data, l:response_list] = ale#lsp#ReadMessageData(l:conn.data)
" Call our callbacks.
for l:response in l:response_list
if get(l:response, 'method', '') is# 'initialize'
call s:HandleInitializeResponse(a:conn, l:response)
else
call ale#lsp#HandleOtherInitializeResponses(a:conn, l:response)
" Look for initialize responses first.
if !l:conn.initialized
for l:response in l:response_list
call ale#lsp#HandleInitResponse(l:conn, l:response)
endfor
endif
" If the connection is marked as initialized, call the callbacks with the
" responses.
if l:conn.initialized
for l:response in l:response_list
" Call all of the registered handlers with the response.
for l:Callback in a:conn.callback_list
call ale#util#GetFunction(l:Callback)(a:conn.id, l:response)
for l:Callback in l:conn.callback_list
call ale#util#GetFunction(l:Callback)(a:conn_id, l:response)
endfor
endif
endfor
endfor
endif
endfunction
" Given a connection ID, mark it as a tsserver connection, so it will be
" handled that way.
function! ale#lsp#MarkConnectionAsTsserver(conn_id) abort
let l:conn = s:FindConnection('id', a:conn_id)
if !empty(l:conn)
let l:conn.is_tsserver = 1
endif
let l:conn = s:connections[a:conn_id]
let l:conn.is_tsserver = 1
let l:conn.initialized = 1
" Set capabilities which are supported by tsserver.
let l:conn.capabilities.hover = 1
let l:conn.capabilities.references = 1
let l:conn.capabilities.completion = 1
let l:conn.capabilities.completion_trigger_characters = ['.']
let l:conn.capabilities.definition = 1
endfunction
" Register a project for an LSP connection.
" Start a program for LSP servers.
"
" This function will throw if the connection doesn't exist.
function! ale#lsp#RegisterProject(conn_id, project_root) abort
let l:conn = s:FindConnection('id', a:conn_id)
" 1 will be returned if the program is running, or 0 if the program could
" not be started.
function! ale#lsp#StartProgram(conn_id, executable, command) abort
let l:conn = s:connections[a:conn_id]
" 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(l:conn.projects, l:key)
" Tools without project roots are ready right away, like tsserver.
let l:conn.projects[l:key] = {
\ 'root': a:project_root,
\ 'initialized': empty(a:project_root),
\ 'init_request_id': 0,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\}
endif
endfunction
function! ale#lsp#GetProject(conn, project_root) abort
if empty(a:conn)
return {}
endif
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
" 0 will be returned.
function! ale#lsp#StartProgram(executable, command, init_options) abort
if !executable(a:executable)
return 0
endif
let l:conn = s:FindConnection('executable', a:executable)
" Get the current connection or a new one.
let l:conn = !empty(l:conn) ? l:conn : ale#lsp#NewConnection(a:init_options)
let l:conn.executable = a:executable
if !has_key(l:conn, 'id') || !ale#job#IsRunning(l:conn.id)
if !has_key(l:conn, 'job_id') || !ale#job#IsRunning(l:conn.job_id)
let l:options = {
\ 'mode': 'raw',
\ 'out_cb': {_, message -> ale#lsp#HandleMessage(l:conn, message)},
\ 'out_cb': {_, message -> ale#lsp#HandleMessage(a:conn_id, message)},
\}
let l:job_id = ale#job#Start(a:command, l:options)
else
let l:job_id = l:conn.id
let l:job_id = l:conn.job_id
endif
if l:job_id <= 0
return 0
if l:job_id > 0
let l:conn.job_id = l:job_id
endif
let l:conn.id = l:job_id
return l:job_id
return l:job_id > 0
endfunction
" Connect to an address and set up a callback for handling responses.
function! ale#lsp#ConnectToAddress(address, init_options) abort
let l:conn = s:FindConnection('id', a:address)
" Get the current connection or a new one.
let l:conn = !empty(l:conn) ? l:conn : ale#lsp#NewConnection(a:init_options)
" Connect to an LSP server via TCP.
"
" 1 will be returned if the connection is running, or 0 if the connection could
" not be opened.
function! ale#lsp#ConnectToAddress(conn_id, address) abort
let l:conn = s:connections[a:conn_id]
if !has_key(l:conn, 'channel_id') || !ale#socket#IsOpen(l:conn.channel_id)
let l:conn.channel_id = ale#socket#Open(a:address, {
\ 'callback': {_, message -> ale#lsp#HandleMessage(l:conn, message)},
let l:channel_id = ale#socket#Open(a:address, {
\ 'callback': {_, mess -> ale#lsp#HandleMessage(a:conn_id, mess)},
\})
else
let l:channel_id = l:conn.channel_id
endif
if l:conn.channel_id < 0
return ''
if l:channel_id >= 0
let l:conn.channel_id = l:channel_id
endif
let l:conn.id = a:address
return a:address
return l:channel_id >= 0
endfunction
" Given a connection ID and a callback, register that callback for handling
" messages if the connection exists.
function! ale#lsp#RegisterCallback(conn_id, callback) abort
let l:conn = s:FindConnection('id', a:conn_id)
let l:conn = get(s:connections, a:conn_id, {})
if !empty(l:conn)
" Add the callback to the List if it's not there already.
@ -409,23 +342,33 @@ function! ale#lsp#RegisterCallback(conn_id, callback) abort
endif
endfunction
" Stop a single LSP connection.
function! ale#lsp#Stop(conn_id) abort
if has_key(s:connections, a:conn_id)
let l:conn = remove(s:connections, a:conn_id)
if has_key(l:conn, 'channel_id')
call ale#socket#Close(l:conn.channel_id)
elseif has_key(l:conn, 'job_id')
call ale#job#Stop(l:conn.job_id)
endif
endif
endfunction
function! ale#lsp#CloseDocument(conn_id) abort
endfunction
" Stop all LSP connections, closing all jobs and channels, and removing any
" queued messages.
function! ale#lsp#StopAll() abort
for l:conn in s:connections
if has_key(l:conn, 'channel_id')
call ale#socket#Close(l:conn.channel_id)
else
call ale#job#Stop(l:conn.id)
endif
for l:conn_id in keys(s:connections)
call ale#lsp#Stop(l:conn_id)
endfor
let s:connections = []
endfunction
function! s:SendMessageData(conn, data) abort
if has_key(a:conn, 'executable')
call ale#job#SendRaw(a:conn.id, a:data)
if has_key(a:conn, 'job_id')
call ale#job#SendRaw(a:conn.job_id, a:data)
elseif has_key(a:conn, 'channel_id') && ale#socket#IsOpen(a:conn.channel_id)
" Send the message to the server
call ale#socket#Send(a:conn.channel_id, a:data)
@ -442,38 +385,32 @@ endfunction
" Returns -1 when a message is sent, but no response is expected
" 0 when the message is not sent and
" >= 1 with the message ID when a response is expected.
function! ale#lsp#Send(conn_id, message, ...) abort
let l:project_root = get(a:000, 0, '')
function! ale#lsp#Send(conn_id, message) abort
let l:conn = get(s:connections, a:conn_id, {})
let l:conn = s:FindConnection('id', a:conn_id)
let l:project = ale#lsp#GetProject(l:conn, l:project_root)
if empty(l:project)
if empty(l:conn)
return 0
endif
" If we haven't initialized the server yet, then send the message for it.
if !l:project.initialized
" Only send the init message once.
if !l:project.init_request_id
let [l:init_id, l:init_data] = ale#lsp#CreateMessageData(
\ ale#lsp#message#Initialize(l:project_root, l:conn.initialization_options),
\)
if !l:conn.initialized && !l:conn.init_request_id
let [l:init_id, l:init_data] = ale#lsp#CreateMessageData(
\ ale#lsp#message#Initialize(l:conn.root, l:conn.init_options),
\)
let l:project.init_request_id = l:init_id
let l:conn.init_request_id = l:init_id
call s:SendMessageData(l:conn, l:init_data)
endif
call s:SendMessageData(l:conn, l:init_data)
endif
let [l:id, l:data] = ale#lsp#CreateMessageData(a:message)
if l:project.initialized
if l:conn.initialized
" Send the message now.
call s:SendMessageData(l:conn, l:data)
else
" Add the message we wanted to send to a List to send later.
call add(l:project.message_queue, l:data)
call add(l:conn.message_queue, l:data)
endif
return l:id == 0 ? -1 : l:id
@ -481,11 +418,10 @@ endfunction
" Notify LSP servers or tsserver if a document is opened, if needed.
" If a document is opened, 1 will be returned, otherwise 0 will be returned.
function! ale#lsp#OpenDocument(conn_id, project_root, buffer, language_id) abort
let l:conn = s:FindConnection('id', a:conn_id)
function! ale#lsp#OpenDocument(conn_id, buffer, language_id) abort
let l:conn = get(s:connections, a:conn_id, {})
let l:opened = 0
" FIXME: Return 1 if the document is already open?
if !empty(l:conn) && !has_key(l:conn.open_documents, a:buffer)
if l:conn.is_tsserver
let l:message = ale#lsp#tsserver_message#Open(a:buffer)
@ -493,7 +429,7 @@ function! ale#lsp#OpenDocument(conn_id, project_root, buffer, language_id) abort
let l:message = ale#lsp#message#DidOpen(a:buffer, a:language_id)
endif
call ale#lsp#Send(a:conn_id, l:message, a:project_root)
call ale#lsp#Send(a:conn_id, l:message)
let l:conn.open_documents[a:buffer] = getbufvar(a:buffer, 'changedtick')
let l:opened = 1
endif
@ -503,8 +439,8 @@ endfunction
" Notify LSP servers or tsserver that a document has changed, if needed.
" If a notification is sent, 1 will be returned, otherwise 0 will be returned.
function! ale#lsp#NotifyForChanges(conn_id, project_root, buffer) abort
let l:conn = s:FindConnection('id', a:conn_id)
function! ale#lsp#NotifyForChanges(conn_id, buffer) abort
let l:conn = get(s:connections, a:conn_id, {})
let l:notified = 0
if !empty(l:conn) && has_key(l:conn.open_documents, a:buffer)
@ -517,7 +453,7 @@ function! ale#lsp#NotifyForChanges(conn_id, project_root, buffer) abort
let l:message = ale#lsp#message#DidChange(a:buffer)
endif
call ale#lsp#Send(a:conn_id, l:message, a:project_root)
call ale#lsp#Send(a:conn_id, l:message)
let l:conn.open_documents[a:buffer] = l:new_tick
let l:notified = 1
endif
@ -528,25 +464,24 @@ endfunction
" Given some LSP details that must contain at least `connection_id` and
" `project_root` keys,
function! ale#lsp#WaitForCapability(conn_id, project_root, capability, callback) abort
let l:conn = s:FindConnection('id', a:conn_id)
let l:project = ale#lsp#GetProject(l:conn, a:project_root)
function! ale#lsp#WaitForCapability(conn_id, capability, callback) abort
let l:conn = get(s:connections, a:conn_id, {})
if empty(l:project)
return 0
if empty(l:conn)
return
endif
if type(get(l:conn.capabilities, a:capability, v:null)) isnot v:t_number
throw 'Invalid capability ' . a:capability
endif
if l:project.initialized
if l:conn.is_tsserver || l:conn.capabilities[a:capability]
if l:conn.initialized
if l:conn.capabilities[a:capability]
" The project has been initialized, so call the callback now.
call call(a:callback, [a:conn_id, a:project_root])
call call(a:callback, [a:conn_id])
endif
else
" Call the callback later, once we have the information we need.
call add(l:project.capabilities_queue, [a:capability, a:callback])
call add(l:conn.capabilities_queue, [a:capability, a:callback])
endif
endfunction

27
autoload/ale/lsp_linter.vim
View file

@ -143,7 +143,8 @@ function! ale#lsp_linter#StartLSP(buffer, linter) abort
if a:linter.lsp is# 'socket'
let l:address = ale#linter#GetAddress(a:buffer, a:linter)
let l:conn_id = ale#lsp#ConnectToAddress(l:address, l:init_options)
let l:conn_id = ale#lsp#Register(l:address, l:root, l:init_options)
let l:ready = ale#lsp#ConnectToAddress(l:conn_id, l:address)
else
let l:executable = ale#linter#GetExecutable(a:buffer, a:linter)
@ -151,18 +152,16 @@ function! ale#lsp_linter#StartLSP(buffer, linter) abort
return {}
endif
let l:conn_id = ale#lsp#Register(l:executable, l:root, l:init_options)
let l:command = ale#linter#GetCommand(a:buffer, a:linter)
" Format the command, so %e can be formatted into it.
let l:command = ale#command#FormatCommand(a:buffer, l:executable, l:command, 0)[1]
let l:command = ale#job#PrepareCommand(a:buffer, l:command)
let l:conn_id = ale#lsp#StartProgram(
\ l:executable,
\ l:command,
\ l:init_options,
\)
let l:ready = ale#lsp#StartProgram(l:conn_id, l:executable, l:command)
endif
if empty(l:conn_id)
if !l:ready
if g:ale_history_enabled && !empty(l:command)
call ale#history#Add(a:buffer, 'failed', l:conn_id, l:command)
endif
@ -175,9 +174,6 @@ function! ale#lsp_linter#StartLSP(buffer, linter) abort
call ale#lsp#MarkConnectionAsTsserver(l:conn_id)
endif
" Register the project now the connection is ready.
call ale#lsp#RegisterProject(l:conn_id, l:root)
let l:language_id = ale#util#GetFunction(a:linter.language_callback)(a:buffer)
let l:details = {
@ -188,7 +184,7 @@ function! ale#lsp_linter#StartLSP(buffer, linter) abort
\ 'language_id': l:language_id,
\}
if ale#lsp#OpenDocument(l:conn_id, l:root, a:buffer, l:language_id)
if ale#lsp#OpenDocument(l:conn_id, a:buffer, l:language_id)
if g:ale_history_enabled && !empty(l:command)
call ale#history#Add(a:buffer, 'started', l:conn_id, l:command)
endif
@ -196,7 +192,7 @@ function! ale#lsp_linter#StartLSP(buffer, linter) abort
" The change message needs to be sent for tsserver before doing anything.
if a:linter.lsp is# 'tsserver'
call ale#lsp#NotifyForChanges(l:conn_id, l:root, a:buffer)
call ale#lsp#NotifyForChanges(l:conn_id, a:buffer)
endif
return l:details
@ -211,7 +207,6 @@ function! ale#lsp_linter#CheckWithLSP(buffer, linter) abort
endif
let l:id = l:lsp_details.connection_id
let l:root = l:lsp_details.project_root
" Register a callback now for handling errors now.
let l:Callback = function('ale#lsp_linter#HandleLSPResponse')
@ -222,16 +217,16 @@ function! ale#lsp_linter#CheckWithLSP(buffer, linter) abort
if a:linter.lsp is# 'tsserver'
let l:message = ale#lsp#tsserver_message#Geterr(a:buffer)
let l:notified = ale#lsp#Send(l:id, l:message, l:root) != 0
let l:notified = ale#lsp#Send(l:id, l:message) != 0
else
let l:notified = ale#lsp#NotifyForChanges(l:id, l:root, a:buffer)
let l:notified = ale#lsp#NotifyForChanges(l:id, a:buffer)
endif
" If this was a file save event, also notify the server of that.
if a:linter.lsp isnot# 'tsserver'
\&& getbufvar(a:buffer, 'ale_save_event_fired', 0)
let l:save_message = ale#lsp#message#DidSave(a:buffer)
let l:notified = ale#lsp#Send(l:id, l:save_message, l:root) != 0
let l:notified = ale#lsp#Send(l:id, l:save_message) != 0
endif
if l:notified

12
autoload/ale/references.vim
View file

@ -67,7 +67,6 @@ endfunction
function! s:OnReady(linter, lsp_details, line, column, ...) abort
let l:buffer = a:lsp_details.buffer
let l:id = a:lsp_details.connection_id
let l:root = a:lsp_details.project_root
let l:Callback = a:linter.lsp is# 'tsserver'
\ ? function('ale#references#HandleTSServerResponse')
@ -84,12 +83,12 @@ function! s:OnReady(linter, lsp_details, line, column, ...) abort
else
" Send a message saying the buffer has changed first, or the
" references position probably won't make sense.
call ale#lsp#NotifyForChanges(l:id, l:root, l:buffer)
call ale#lsp#NotifyForChanges(l:id, l:buffer)
let l:message = ale#lsp#message#References(l:buffer, a:line, a:column)
endif
let l:request_id = ale#lsp#Send(l:id, l:message, a:lsp_details.project_root)
let l:request_id = ale#lsp#Send(l:id, l:message)
let s:references_map[l:request_id] = {}
endfunction
@ -109,13 +108,10 @@ function! s:FindReferences(linter) abort
endif
let l:id = l:lsp_details.connection_id
let l:root = l:lsp_details.project_root
let l:OnReady = function('s:OnReady', [
call ale#lsp#WaitForCapability(l:id, 'references', function('s:OnReady', [
\ a:linter, l:lsp_details, l:line, l:column
\])
call ale#lsp#WaitForCapability(l:id, l:root, 'references', l:OnReady)
\]))
endfunction
function! ale#references#Find() abort

26
test/completion/test_lsp_completion_messages.vader
View file

@ -14,17 +14,17 @@ Before:
let g:message_list = []
let g:capability_checked = ''
let g:conn_id = v:null
let g:Callback = ''
let g:wait_callback_list = []
function! ale#lsp_linter#StartLSP(buffer, linter) abort
let l:conn = ale#lsp#NewConnection({})
let l:conn.id = 347
let l:conn.open_documents = {a:buffer : -1}
let g:conn_id = ale#lsp#Register('executable', '/foo/bar', {})
call ale#lsp#MarkDocumentAsOpen(g:conn_id, a:buffer)
return {
\ 'buffer': a:buffer,
\ 'connection_id': 347,
\ 'connection_id': g:conn_id,
\ 'project_root': '/foo/bar',
\ 'language_id': 'python',
\}
@ -35,7 +35,7 @@ Before:
return 'i'
endfunction
function! ale#lsp#WaitForCapability(conn_id, project_root, capability, callback) abort
function! ale#lsp#WaitForCapability(conn_id, capability, callback) abort
let g:capability_checked = a:capability
call add(g:wait_callback_list, a:callback)
endfunction
@ -45,7 +45,7 @@ Before:
endfunction
" Replace the Send function for LSP, so we can monitor calls to it.
function! ale#lsp#Send(conn_id, message, ...) abort
function! ale#lsp#Send(conn_id, message) abort
call add(g:message_list, a:message)
return 1
@ -54,9 +54,14 @@ Before:
After:
Restore
if g:conn_id isnot v:null
call ale#lsp#RemoveConnectionWithID(g:conn_id)
endif
unlet! g:message_list
unlet! g:capability_checked
unlet! g:wait_callback_list
unlet! g:conn_id
unlet! g:Callback
unlet! b:ale_old_omnifunc
unlet! b:ale_old_completopt
@ -72,7 +77,6 @@ After:
return call('mode', a:000)
endfunction
call ale#lsp#RemoveConnectionWithID(347)
call ale#test#RestoreDirectory()
call ale#linter#Reset()
@ -102,7 +106,7 @@ Execute(The right message should be sent for the initial tsserver request):
AssertEqual 1, len(g:wait_callback_list)
AssertEqual 'completion', g:capability_checked
call map(g:wait_callback_list, 'v:val([347, ''/foo/bar''])')
call map(g:wait_callback_list, 'v:val([g:conn_id, ''/foo/bar''])')
" We should send the right callback.
AssertEqual
@ -116,7 +120,7 @@ Execute(The right message should be sent for the initial tsserver request):
AssertEqual
\ {
\ 'line_length': 3,
\ 'conn_id': 347,
\ 'conn_id': g:conn_id,
\ 'column': 3,
\ 'request_id': 1,
\ 'line': 1,
@ -189,7 +193,7 @@ Execute(The right message should be sent for the initial LSP request):
AssertEqual 1, len(g:wait_callback_list)
AssertEqual 'completion', g:capability_checked
call map(g:wait_callback_list, 'v:val([347, ''/foo/bar''])')
call map(g:wait_callback_list, 'v:val([g:conn_id, ''/foo/bar''])')
" We should send the right callback.
AssertEqual
@ -219,7 +223,7 @@ Execute(The right message should be sent for the initial LSP request):
AssertEqual
\ {
\ 'line_length': 3,
\ 'conn_id': 347,
\ 'conn_id': g:conn_id,
\ 'column': 3,
\ 'request_id': 1,
\ 'line': 1,

15
test/lsp/test_did_save_event.vader
View file

@ -13,6 +13,7 @@ Before:
let b:ale_enabled = 1
let g:ale_lsp_next_message_id = 1
let g:ale_run_synchronously = 1
let g:conn_id = v:null
let g:message_list = []
function! LanguageCallback() abort
@ -34,26 +35,29 @@ Before:
let g:ale_linters = {'foobar': ['dummy_linter']}
function! ale#lsp_linter#StartLSP(buffer, linter) abort
let l:conn = ale#lsp#NewConnection({})
let l:conn.id = 347
let l:conn.open_documents = {a:buffer : -1}
let g:conn_id = ale#lsp#Register('executable', '/foo/bar', {})
call ale#lsp#MarkDocumentAsOpen(g:conn_id, a:buffer)
return {
\ 'buffer': a:buffer,
\ 'connection_id': 347,
\ 'connection_id': g:conn_id,
\ 'project_root': '/foo/bar',
\ 'language_id': 'foobar',
\}
endfunction
" Replace the Send function for LSP, so we can monitor calls to it.
function! ale#lsp#Send(conn_id, message, ...) abort
function! ale#lsp#Send(conn_id, message) abort
call add(g:message_list, a:message)
endfunction
After:
Restore
if g:conn_id isnot v:null
call ale#lsp#RemoveConnectionWithID(g:conn_id)
endif
unlet! b:ale_enabled
unlet! b:ale_linters
unlet! g:message_list
@ -61,7 +65,6 @@ After:
delfunction LanguageCallback
delfunction ProjectRootCallback
call ale#lsp#RemoveConnectionWithID(347)
call ale#test#RestoreDirectory()
call ale#linter#Reset()

6
test/lsp/test_lsp_command_formatting.vader
View file

@ -5,7 +5,7 @@ Before:
" Mock the StartProgram function so we can just capture the arguments.
function! ale#lsp#StartProgram(...) abort
let g:args = a:000
let g:args = a:000[1:]
endfunction
After:
@ -27,10 +27,10 @@ Execute(Command formatting should be applied correctly for LSP linters):
if has('win32')
AssertEqual
\ ['cmd', 'cmd /s/c "cmd --foo"', {}],
\ ['cmd', 'cmd /s/c "cmd --foo"'],
\ g:args
else
AssertEqual
\ ['true', [&shell, '-c', '''true'' --foo'], {}],
\ ['true', [&shell, '-c', '''true'' --foo']],
\ g:args
endif

54
test/lsp/test_lsp_connections.vader
View file

@ -225,57 +225,3 @@ 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 = ale#lsp#NewConnection({})
call ale#lsp#RegisterProject(b:conn.id, '/foo/bar')
AssertEqual
\ {
\ '/foo/bar': {
\ 'root': '/foo/bar',
\ 'initialized': 0,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ 'init_request_id': 0,
\ },
\ },
\ b:conn.projects
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 = ale#lsp#NewConnection({})
call ale#lsp#RegisterProject(b:conn.id, '')
AssertEqual
\ {
\ '<<EMPTY>>': {
\ 'root': '',
\ 'initialized': 1,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ 'init_request_id': 0,
\ },
\ },
\ b:conn.projects
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, '')

120
test/lsp/test_other_initialize_message_handling.vader
View file

@ -1,15 +1,15 @@
Before:
let b:project = {
let b:conn = {
\ 'is_tsserver': 0,
\ 'data': '',
\ 'root': '/foo/bar',
\ 'open_documents': {},
\ 'initialized': 0,
\ 'init_request_id': 3,
\ 'init_request_id': 0,
\ 'init_options': {},
\ 'callback_list': [],
\ 'message_queue': [],
\ 'capabilities_queue': [],
\}
let b:conn = {
\ 'projects': {
\ '/foo/bar': b:project,
\ },
\ 'capabilities': {
\ 'hover': 0,
\ 'references': 0,
@ -20,64 +20,26 @@ Before:
\}
After:
unlet! b:project
unlet! b:conn
Execute(publishDiagnostics messages with files inside project directories should initialize projects):
" This is for some other file, ignore this one.
call ale#lsp#HandleOtherInitializeResponses(b:conn, {
\ 'method': 'textDocument/publishDiagnostics',
\ 'params': {'uri': 'file:///xyz/bar/baz.txt'},
\})
AssertEqual
\ {
\ 'initialized': 0,
\ 'init_request_id': 3,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ },
\ b:project
call ale#lsp#HandleOtherInitializeResponses(b:conn, {
\ 'method': 'textDocument/publishDiagnostics',
\ 'params': {'uri': 'file:///foo/bar/baz.txt'},
\})
AssertEqual
\ {
\ 'initialized': 1,
\ 'init_request_id': 3,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ },
\ b:project
Execute(Messages with no method and capabilities should initialize projects):
call ale#lsp#HandleOtherInitializeResponses(b:conn, {
call ale#lsp#HandleInitResponse(b:conn, {
\ 'result': {'capabilities': {}},
\})
AssertEqual
\ {
\ 'initialized': 1,
\ 'init_request_id': 3,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ },
\ b:project
AssertEqual 1, b:conn.initialized
Execute(Other messages should not initialize projects):
call ale#lsp#HandleOtherInitializeResponses(b:conn, {'method': 'lolwat'})
call ale#lsp#HandleInitResponse(b:conn, {'method': 'lolwat'})
AssertEqual 0, b:project.initialized
AssertEqual 0, b:conn.initialized
call ale#lsp#HandleOtherInitializeResponses(b:conn, {'result': {'x': {}}})
call ale#lsp#HandleInitResponse(b:conn, {'result': {'x': {}}})
AssertEqual 0, b:project.initialized
AssertEqual 0, b:conn.initialized
Execute(Capabilities should bet set up correctly):
call ale#lsp#HandleOtherInitializeResponses(b:conn, {
call ale#lsp#HandleInitResponse(b:conn, {
\ 'jsonrpc': '2.0',
\ 'id': 1,
\ 'result': {
@ -110,29 +72,19 @@ Execute(Capabilities should bet set up correctly):
\ },
\})
AssertEqual 1, b:conn.initialized
AssertEqual
\ {
\ 'capabilities': {
\ 'completion_trigger_characters': ['.'],
\ 'completion': 1,
\ 'references': 1,
\ 'hover': 1,
\ 'definition': 1,
\ },
\ 'message_queue': [],
\ 'projects': {
\ '/foo/bar': {
\ 'initialized': 1,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ 'init_request_id': 3,
\ },
\ },
\ 'completion_trigger_characters': ['.'],
\ 'completion': 1,
\ 'references': 1,
\ 'hover': 1,
\ 'definition': 1,
\ },
\ b:conn
\ b:conn.capabilities
Execute(Disabled capabilities should be recognised correctly):
call ale#lsp#HandleOtherInitializeResponses(b:conn, {
call ale#lsp#HandleInitResponse(b:conn, {
\ 'jsonrpc': '2.0',
\ 'id': 1,
\ 'result': {
@ -161,29 +113,19 @@ Execute(Disabled capabilities should be recognised correctly):
\ },
\})
AssertEqual 1, b:conn.initialized
AssertEqual
\ {
\ 'capabilities': {
\ 'completion_trigger_characters': [],
\ 'completion': 0,
\ 'references': 0,
\ 'hover': 0,
\ 'definition': 0,
\ },
\ 'message_queue': [],
\ 'projects': {
\ '/foo/bar': {
\ 'initialized': 1,
\ 'message_queue': [],
\ 'capabilities_queue': [],
\ 'init_request_id': 3,
\ },
\ },
\ 'completion_trigger_characters': [],
\ 'completion': 0,
\ 'references': 0,
\ 'hover': 0,
\ 'definition': 0,
\ },
\ b:conn
\ b:conn.capabilities
Execute(Results that are not dictionaries should be handled correctly):
call ale#lsp#HandleOtherInitializeResponses(b:conn, {
call ale#lsp#HandleInitResponse(b:conn, {
\ 'jsonrpc': '2.0',
\ 'id': 1,
\ 'result': v:null,

22
test/test_find_references.vader
View file

@ -9,6 +9,7 @@ Before:
let g:preview_called = 0
let g:item_list = []
let g:capability_checked = ''
let g:conn_id = v:null
let g:WaitCallback = v:null
runtime autoload/ale/linter.vim
@ -17,19 +18,18 @@ Before:
runtime autoload/ale/preview.vim
function! ale#lsp_linter#StartLSP(buffer, linter) abort
let l:conn = ale#lsp#NewConnection({})
let l:conn.id = 347
let l:conn.open_documents = {a:buffer : -1}
let g:conn_id = ale#lsp#Register('executable', '/foo/bar', {})
call ale#lsp#MarkDocumentAsOpen(g:conn_id, a:buffer)
return {
\ 'buffer': a:buffer,
\ 'connection_id': 347,
\ 'connection_id': g:conn_id,
\ 'project_root': '/foo/bar',
\ 'language_id': 'python',
\}
endfunction
function! ale#lsp#WaitForCapability(conn_id, project_root, capability, callback) abort
function! ale#lsp#WaitForCapability(conn_id, capability, callback) abort
let g:capability_checked = a:capability
let g:WaitCallback = a:callback
endfunction
@ -38,7 +38,7 @@ Before:
let g:Callback = a:callback
endfunction
function! ale#lsp#Send(conn_id, message, root) abort
function! ale#lsp#Send(conn_id, message) abort
call add(g:message_list, a:message)
return 42
@ -54,7 +54,10 @@ Before:
endfunction
After:
call ale#lsp#RemoveConnectionWithID(347)
if g:conn_id isnot v:null
call ale#lsp#RemoveConnectionWithID(g:conn_id)
endif
call ale#references#SetMap({})
call ale#test#RestoreDirectory()
call ale#linter#Reset()
@ -62,6 +65,7 @@ After:
unlet! g:capability_checked
unlet! g:WaitCallback
unlet! g:old_filename
unlet! g:conn_id
unlet! g:Callback
unlet! g:message_list
unlet! g:expr_list
@ -168,7 +172,7 @@ Execute(tsserver reference requests should be sent):
AssertEqual type(function('type')), type(g:WaitCallback)
AssertEqual 'references', g:capability_checked
call call(g:WaitCallback, [347, '/foo/bar'])
call call(g:WaitCallback, [g:conn_id, '/foo/bar'])
AssertEqual
\ 'function(''ale#references#HandleTSServerResponse'')',
@ -249,7 +253,7 @@ Execute(LSP reference requests should be sent):
AssertEqual type(function('type')), type(g:WaitCallback)
AssertEqual 'references', g:capability_checked
call call(g:WaitCallback, [347, '/foo/bar'])
call call(g:WaitCallback, [g:conn_id, '/foo/bar'])
AssertEqual
\ 'function(''ale#references#HandleLSPResponse'')',

26
test/test_go_to_definition.vader
View file

@ -7,6 +7,7 @@ Before:
let g:message_list = []
let g:expr_list = []
let g:capability_checked = ''
let g:conn_id = v:null
let g:WaitCallback = v:null
runtime autoload/ale/linter.vim
@ -14,19 +15,18 @@ Before:
runtime autoload/ale/util.vim
function! ale#lsp_linter#StartLSP(buffer, linter) abort
let l:conn = ale#lsp#NewConnection({})
let l:conn.id = 347
let l:conn.open_documents = {a:buffer : -1}
let g:conn_id = ale#lsp#Register('executable', '/foo/bar', {})
call ale#lsp#MarkDocumentAsOpen(g:conn_id, a:buffer)
return {
\ 'buffer': a:buffer,
\ 'connection_id': 347,
\ 'connection_id': g:conn_id,
\ 'project_root': '/foo/bar',
\ 'language_id': 'python',
\}
endfunction
function! ale#lsp#WaitForCapability(conn_id, project_root, capability, callback) abort
function! ale#lsp#WaitForCapability(conn_id, capability, callback) abort
let g:capability_checked = a:capability
let g:WaitCallback = a:callback
endfunction
@ -35,7 +35,7 @@ Before:
let g:Callback = a:callback
endfunction
function! ale#lsp#Send(conn_id, message, root) abort
function! ale#lsp#Send(conn_id, message) abort
call add(g:message_list, a:message)
return 42
@ -46,7 +46,10 @@ Before:
endfunction
After:
call ale#lsp#RemoveConnectionWithID(347)
if g:conn_id isnot v:null
call ale#lsp#RemoveConnectionWithID(g:conn_id)
endif
call ale#definition#SetMap({})
call ale#test#RestoreDirectory()
call ale#linter#Reset()
@ -54,6 +57,7 @@ After:
unlet! g:capability_checked
unlet! g:WaitCallback
unlet! g:old_filename
unlet! g:conn_id
unlet! g:Callback
unlet! g:message_list
unlet! g:expr_list
@ -153,7 +157,7 @@ Execute(tsserver completion requests should be sent):
AssertEqual type(function('type')), type(g:WaitCallback)
AssertEqual 'definition', g:capability_checked
call call(g:WaitCallback, [347, '/foo/bar'])
call call(g:WaitCallback, [g:conn_id, '/foo/bar'])
AssertEqual
\ 'function(''ale#definition#HandleTSServerResponse'')',
@ -174,7 +178,7 @@ Execute(tsserver tab completion requests should be sent):
AssertEqual type(function('type')), type(g:WaitCallback)
AssertEqual 'definition', g:capability_checked
call call(g:WaitCallback, [347, '/foo/bar'])
call call(g:WaitCallback, [g:conn_id, '/foo/bar'])
AssertEqual
\ 'function(''ale#definition#HandleTSServerResponse'')',
@ -306,7 +310,7 @@ Execute(LSP completion requests should be sent):
AssertEqual type(function('type')), type(g:WaitCallback)
AssertEqual 'definition', g:capability_checked
call call(g:WaitCallback, [347, '/foo/bar'])
call call(g:WaitCallback, [g:conn_id, '/foo/bar'])
AssertEqual
\ 'function(''ale#definition#HandleLSPResponse'')',
@ -342,7 +346,7 @@ Execute(LSP tab completion requests should be sent):
AssertEqual type(function('type')), type(g:WaitCallback)
AssertEqual 'definition', g:capability_checked
call call(g:WaitCallback, [347, '/foo/bar'])
call call(g:WaitCallback, [g:conn_id, '/foo/bar'])
AssertEqual
\ 'function(''ale#definition#HandleLSPResponse'')',