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-rw-r--r--autoload/ale/lsp.vim12
-rw-r--r--autoload/ale/lsp_linter.vim2
-rw-r--r--doc/ale.txt17
3 files changed, 23 insertions, 8 deletions
diff --git a/autoload/ale/lsp.vim b/autoload/ale/lsp.vim
index b7f8c542..e44b5bc3 100644
--- a/autoload/ale/lsp.vim
+++ b/autoload/ale/lsp.vim
@@ -3,7 +3,7 @@
" A List of connections, used for tracking servers which have been connected
" to, and programs which are run.
-let s:connections = []
+let s:connections = get(s:, 'connections', [])
let g:ale_lsp_next_message_id = 1
" Exposed only so tests can get at it.
@@ -36,7 +36,7 @@ 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) == a:value
+ if has_key(l:conn, a:key) && get(l:conn, a:key) is# a:value
return l:conn
endif
endfor
@@ -319,13 +319,13 @@ function! ale#lsp#ConnectToAddress(address, project_root, callback, initializati
let l:conn = !empty(l:conn) ? l:conn : ale#lsp#NewConnection(a:initialization_options)
if !has_key(l:conn, 'channel_id') || !ale#socket#IsOpen(l:conn.channel_id)
- let l:conn.channnel_id = ale#socket#Open(a:address, {
+ let l:conn.channel_id = ale#socket#Open(a:address, {
\ 'callback': function('s:HandleChannelMessage'),
\})
endif
- if l:conn.channnel_id < 0
- return 0
+ if l:conn.channel_id < 0
+ return ''
endif
let l:conn.id = a:address
@@ -333,7 +333,7 @@ function! ale#lsp#ConnectToAddress(address, project_root, callback, initializati
call uniq(sort(add(l:conn.callback_list, a:callback)))
call ale#lsp#RegisterProject(l:conn, a:project_root)
- return 1
+ return a:address
endfunction
" Stop all LSP connections, closing all jobs and channels, and removing any
diff --git a/autoload/ale/lsp_linter.vim b/autoload/ale/lsp_linter.vim
index 781d04c4..9e72362b 100644
--- a/autoload/ale/lsp_linter.vim
+++ b/autoload/ale/lsp_linter.vim
@@ -166,7 +166,7 @@ function! ale#lsp_linter#StartLSP(buffer, linter, callback) abort
let l:language_id = ale#util#GetFunction(a:linter.language_callback)(a:buffer)
- if !l:conn_id
+ if empty(l:conn_id)
if g:ale_history_enabled && !empty(l:command)
call ale#history#Add(a:buffer, 'failed', l:conn_id, l:command)
endif
diff --git a/doc/ale.txt b/doc/ale.txt
index 13478b42..4a8fdd9a 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -2371,8 +2371,16 @@ ale#linter#Define(filetype, linter) *ale#linter#Define()*
When this argument is set to `'stdio'`, then the
linter will be defined as an LSP linter which keeps a
- process for a language server runnning, and
+ process for a language server running, and
communicates with it directly via a |channel|.
+ `executable` or `executable_callback` must be set,
+ and `command` or `command_callback` must be set.
+
+ When this argument is set to `'socket'`, then the
+ linter will be defined as an LSP linter via a TCP
+ socket connection. `address_callback` must be set
+ with a callback returning an address to connect to.
+ ALE will not start a server automatically.
When this argument is not empty, only one of either
`language` or `language_callback` must be defined,
@@ -2388,6 +2396,13 @@ ale#linter#Define(filetype, linter) *ale#linter#Define()*
`initialization_options_callback` may be defined to
pass initialization options to the LSP.
+ `address_callback` A |String| or |Funcref| for a callback function
+ accepting a buffer number. A |String| should be
+ returned with an address to connect to.
+
+ This argument must only be set if the `lsp` argument
+ is set to `'socket'`.
+
`project_root_callback` A |String| or |Funcref| for a callback function
accepting a buffer number. A |String| should be
returned representing the path to the project for the