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This commit is contained in:
Amir Salihefendic
2018-07-30 23:18:16 +02:00
parent 46f1a1bd52
commit 587a185a98
89 changed files with 2619 additions and 1634 deletions
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204
sources_non_forked/ale/autoload/ale/lsp.vim
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@ -15,13 +15,23 @@ function! ale#lsp#NewConnection(initialization_options) abort
" 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,
\ },
\}
call add(s:connections, l:conn)
@ -44,6 +54,11 @@ function! s:FindConnection(key, value) abort
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', {})
endfunction
function! ale#lsp#GetNextMessageID() abort
" Use the current ID
let l:id = g:ale_lsp_next_message_id
@ -174,6 +189,16 @@ function! s:MarkProjectAsInitialized(conn, project) abort
" 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
@ -185,6 +210,38 @@ function! s:HandleInitializeResponse(conn, response) abort
endif
endfunction
" Update capabilities from the server, so we know which features the server
" supports.
function! s:UpdateCapabilities(conn, capabilities) abort
if type(a:capabilities) isnot v:t_dict
return
endif
if get(a:capabilities, 'hoverProvider') is v:true
let a:conn.capabilities.hover = 1
endif
if get(a:capabilities, 'referencesProvider') is v:true
let a:conn.capabilities.references = 1
endif
if !empty(get(a:capabilities, 'completionProvider'))
let a:conn.capabilities.completion = 1
endif
if type(get(a:capabilities, 'completionProvider')) is v:t_dict
let l:chars = get(a:capabilities.completionProvider, 'triggerCharacters')
if type(l:chars) is v:t_list
let a:conn.capabilities.completion_trigger_characters = l:chars
endif
endif
if get(a:capabilities, 'definitionProvider') is v:true
let a:conn.capabilities.definition = 1
endif
endfunction
function! ale#lsp#HandleOtherInitializeResponses(conn, response) abort
let l:uninitialized_projects = []
@ -200,6 +257,8 @@ function! ale#lsp#HandleOtherInitializeResponses(conn, response) abort
if get(a:response, 'method', '') is# ''
if has_key(get(a:response, 'result', {}), 'capabilities')
call s:UpdateCapabilities(a:conn, a:response.result.capabilities)
for [l:dir, l:project] in l:uninitialized_projects
call s:MarkProjectAsInitialized(a:conn, l:project)
endfor
@ -216,7 +275,7 @@ function! ale#lsp#HandleOtherInitializeResponses(conn, response) abort
endfunction
function! ale#lsp#HandleMessage(conn, message) abort
if type(a:message) != type('')
if type(a:message) isnot v:t_string
" Ignore messages that aren't strings.
return
endif
@ -254,22 +313,43 @@ function! s:HandleCommandMessage(job_id, message) abort
call ale#lsp#HandleMessage(l:conn, a:message)
endfunction
function! ale#lsp#RegisterProject(conn, project_root) abort
" 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
endfunction
" Register a project for an LSP connection.
"
" 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)
" 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)
if !has_key(l:conn.projects, l:key)
" Tools without project roots are ready right away, like tsserver.
let a:conn.projects[l:key] = {
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, {})
@ -279,7 +359,7 @@ endfunction
"
" The job ID will be returned for for the program if it ran, otherwise
" 0 will be returned.
function! ale#lsp#StartProgram(executable, command, project_root, callback, initialization_options) abort
function! ale#lsp#StartProgram(executable, command, init_options) abort
if !executable(a:executable)
return 0
endif
@ -287,7 +367,7 @@ function! ale#lsp#StartProgram(executable, command, project_root, callback, init
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:initialization_options)
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)
@ -305,18 +385,15 @@ function! ale#lsp#StartProgram(executable, command, project_root, callback, init
endif
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 ale#lsp#RegisterProject(l:conn, a:project_root)
return l:job_id
endfunction
" Connect to an address and set up a callback for handling responses.
function! ale#lsp#ConnectToAddress(address, project_root, callback, initialization_options) abort
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:initialization_options)
let l:conn = !empty(l:conn) ? l:conn : ale#lsp#NewConnection(a:init_options)
if !has_key(l:conn, 'channel_id') || !ale#socket#IsOpen(l:conn.channel_id)
let l:conn.channel_id = ale#socket#Open(a:address, {
@ -329,13 +406,21 @@ function! ale#lsp#ConnectToAddress(address, project_root, callback, initializati
endif
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 ale#lsp#RegisterProject(l:conn, a:project_root)
return a:address
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)
if !empty(l:conn)
" Add the callback to the List if it's not there already.
call uniq(sort(add(l:conn.callback_list, a:callback)))
endif
endfunction
" Stop all LSP connections, closing all jobs and channels, and removing any
" queued messages.
function! ale#lsp#StopAll() abort
@ -373,11 +458,6 @@ function! ale#lsp#Send(conn_id, message, ...) abort
let l:project_root = get(a:000, 0, '')
let l:conn = s:FindConnection('id', a:conn_id)
if empty(l:conn)
return 0
endif
let l:project = ale#lsp#GetProject(l:conn, l:project_root)
if empty(l:project)
@ -411,45 +491,22 @@ function! ale#lsp#Send(conn_id, message, ...) abort
return l:id == 0 ? -1 : l:id
endfunction
" The Document details Dictionary should contain the following keys.
"
" buffer - The buffer number for the document.
" connection_id - The connection ID for the LSP server.
" command - The command to run to start the LSP connection.
" project_root - The project root for the LSP project.
" language_id - The language ID for the project, like 'python', 'rust', etc.
" Create a new Dictionary containing more connection details, with the
" following information added:
"
" conn - An existing LSP connection for the document.
" document_open - 1 if the document is currently open, 0 otherwise.
function! s:ExtendDocumentDetails(details) abort
let l:extended = copy(a:details)
let l:conn = s:FindConnection('id', a:details.connection_id)
let l:extended.conn = l:conn
let l:extended.document_open = !empty(l:conn)
\ && has_key(l:conn.open_documents, a:details.buffer)
return l:extended
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(basic_details) abort
let l:d = s:ExtendDocumentDetails(a:basic_details)
function! ale#lsp#OpenDocument(conn_id, project_root, buffer, language_id) abort
let l:conn = s:FindConnection('id', a:conn_id)
let l:opened = 0
if !empty(l:d.conn) && !l:d.document_open
if empty(l:d.language_id)
let l:message = ale#lsp#tsserver_message#Open(l:d.buffer)
" 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)
else
let l:message = ale#lsp#message#DidOpen(l:d.buffer, l:d.language_id)
let l:message = ale#lsp#message#DidOpen(a:buffer, a:language_id)
endif
call ale#lsp#Send(l:d.connection_id, l:message, l:d.project_root)
let l:d.conn.open_documents[l:d.buffer] = getbufvar(l:d.buffer, 'changedtick')
call ale#lsp#Send(a:conn_id, l:message, a:project_root)
let l:conn.open_documents[a:buffer] = getbufvar(a:buffer, 'changedtick')
let l:opened = 1
endif
@ -458,25 +515,50 @@ 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(basic_details) abort
let l:d = s:ExtendDocumentDetails(a:basic_details)
function! ale#lsp#NotifyForChanges(conn_id, project_root, buffer) abort
let l:conn = s:FindConnection('id', a:conn_id)
let l:notified = 0
if l:d.document_open
let l:new_tick = getbufvar(l:d.buffer, 'changedtick')
if !empty(l:conn) && has_key(l:conn.open_documents, a:buffer)
let l:new_tick = getbufvar(a:buffer, 'changedtick')
if l:d.conn.open_documents[l:d.buffer] < l:new_tick
if empty(l:d.language_id)
let l:message = ale#lsp#tsserver_message#Change(l:d.buffer)
if l:conn.open_documents[a:buffer] < l:new_tick
if l:conn.is_tsserver
let l:message = ale#lsp#tsserver_message#Change(a:buffer)
else
let l:message = ale#lsp#message#DidChange(l:d.buffer)
let l:message = ale#lsp#message#DidChange(a:buffer)
endif
call ale#lsp#Send(l:d.connection_id, l:message, l:d.project_root)
let l:d.conn.open_documents[l:d.buffer] = l:new_tick
call ale#lsp#Send(a:conn_id, l:message, a:project_root)
let l:conn.open_documents[a:buffer] = l:new_tick
let l:notified = 1
endif
endif
return l:notified
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)
if empty(l:project)
return 0
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]
" The project has been initialized, so call the callback now.
call call(a:callback, [a:conn_id, a:project_root])
endif
else
" Call the callback later, once we have the information we need.
call add(l:project.capabilities_queue, [a:capability, a:callback])
endif
endfunction