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https://github.com/dense-analysis/ale.git
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Handle other LSP capabilities via ALE
Save capabilities from language servers ALE connects to via Neovim's LSP client and handle responses to requests ALE sends to language servers. This enables ALE to work with Neovim's language client for its commands while also letting users directly use the connected clients for native Neovim keybinds and so on.
This commit is contained in:
w0rp
@@ -195,101 +195,107 @@ endfunction
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" Update capabilities from the server, so we know which features the server
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" supports.
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function! s:UpdateCapabilities(conn, capabilities) abort
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function! ale#lsp#UpdateCapabilities(conn_id, capabilities) abort
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let l:conn = get(s:connections, a:conn_id, {})
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if empty(l:conn)
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return
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endif
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if type(a:capabilities) isnot v:t_dict
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return
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endif
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if get(a:capabilities, 'hoverProvider') is v:true
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let a:conn.capabilities.hover = 1
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let l:conn.capabilities.hover = 1
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endif
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if type(get(a:capabilities, 'hoverProvider')) is v:t_dict
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let a:conn.capabilities.hover = 1
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let l:conn.capabilities.hover = 1
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endif
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if get(a:capabilities, 'referencesProvider') is v:true
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let a:conn.capabilities.references = 1
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let l:conn.capabilities.references = 1
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endif
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if type(get(a:capabilities, 'referencesProvider')) is v:t_dict
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let a:conn.capabilities.references = 1
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let l:conn.capabilities.references = 1
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endif
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if get(a:capabilities, 'renameProvider') is v:true
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let a:conn.capabilities.rename = 1
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let l:conn.capabilities.rename = 1
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endif
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if type(get(a:capabilities, 'renameProvider')) is v:t_dict
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let a:conn.capabilities.rename = 1
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let l:conn.capabilities.rename = 1
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endif
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if get(a:capabilities, 'codeActionProvider') is v:true
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let a:conn.capabilities.code_actions = 1
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let l:conn.capabilities.code_actions = 1
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endif
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if type(get(a:capabilities, 'codeActionProvider')) is v:t_dict
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let a:conn.capabilities.code_actions = 1
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let l:conn.capabilities.code_actions = 1
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endif
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if !empty(get(a:capabilities, 'completionProvider'))
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let a:conn.capabilities.completion = 1
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let l:conn.capabilities.completion = 1
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endif
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if type(get(a:capabilities, 'completionProvider')) is v:t_dict
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let l:chars = get(a:capabilities.completionProvider, 'triggerCharacters')
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if type(l:chars) is v:t_list
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let a:conn.capabilities.completion_trigger_characters = l:chars
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let l:conn.capabilities.completion_trigger_characters = l:chars
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endif
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endif
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if get(a:capabilities, 'definitionProvider') is v:true
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let a:conn.capabilities.definition = 1
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let l:conn.capabilities.definition = 1
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endif
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if type(get(a:capabilities, 'definitionProvider')) is v:t_dict
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let a:conn.capabilities.definition = 1
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let l:conn.capabilities.definition = 1
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endif
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if get(a:capabilities, 'typeDefinitionProvider') is v:true
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let a:conn.capabilities.typeDefinition = 1
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let l:conn.capabilities.typeDefinition = 1
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endif
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if type(get(a:capabilities, 'typeDefinitionProvider')) is v:t_dict
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let a:conn.capabilities.typeDefinition = 1
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let l:conn.capabilities.typeDefinition = 1
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endif
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if get(a:capabilities, 'implementationProvider') is v:true
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let a:conn.capabilities.implementation = 1
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let l:conn.capabilities.implementation = 1
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endif
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if type(get(a:capabilities, 'implementationProvider')) is v:t_dict
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let a:conn.capabilities.implementation = 1
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let l:conn.capabilities.implementation = 1
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endif
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if get(a:capabilities, 'workspaceSymbolProvider') is v:true
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let a:conn.capabilities.symbol_search = 1
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let l:conn.capabilities.symbol_search = 1
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endif
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if type(get(a:capabilities, 'workspaceSymbolProvider')) is v:t_dict
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let a:conn.capabilities.symbol_search = 1
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let l:conn.capabilities.symbol_search = 1
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endif
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if type(get(a:capabilities, 'textDocumentSync')) is v:t_dict
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let l:syncOptions = get(a:capabilities, 'textDocumentSync')
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if get(l:syncOptions, 'save') is v:true
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let a:conn.capabilities.did_save = 1
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let l:conn.capabilities.did_save = 1
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endif
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if type(get(l:syncOptions, 'save')) is v:t_dict
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let a:conn.capabilities.did_save = 1
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let l:conn.capabilities.did_save = 1
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let l:saveOptions = get(l:syncOptions, 'save')
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if get(l:saveOptions, 'includeText') is v:true
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let a:conn.capabilities.includeText = 1
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let l:conn.capabilities.includeText = 1
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endif
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endif
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endif
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@@ -334,7 +340,7 @@ function! ale#lsp#HandleInitResponse(conn, response) abort
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let a:conn.initialized = 1
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elseif type(get(a:response, 'result')) is v:t_dict
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\&& has_key(a:response.result, 'capabilities')
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call s:UpdateCapabilities(a:conn, a:response.result.capabilities)
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call ale#lsp#UpdateCapabilities(a:conn.id, a:response.result.capabilities)
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let a:conn.initialized = 1
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endif
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@@ -385,6 +391,20 @@ function! ale#lsp#HandleMessage(conn_id, message) abort
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endif
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endfunction
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" Handle a JSON response from a language server.
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" This is called from Lua for integration with Neovim's LSP API.
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function! ale#lsp#HandleResponse(conn_id, response) abort
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let l:conn = get(s:connections, a:conn_id, {})
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if empty(l:conn)
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return
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endif
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for l:Callback in l:conn.callback_list
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call ale#util#GetFunction(l:Callback)(a:conn_id, a:response)
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endfor
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endfunction
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" Given a connection ID, mark it as a tsserver connection, so it will be
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" handled that way.
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function! ale#lsp#MarkConnectionAsTsserver(conn_id) abort
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@@ -20,7 +20,15 @@ module.start = function(config)
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end
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}
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config.on_init = function(_, _)
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config.on_init = function(client, _)
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-- Tell ALE about server capabilities as soon as we can.
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-- This will inform ALE commands what can be done with each server,
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-- such as "go to definition" support, etc.
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vim.fn["ale#lsp#UpdateCapabilities"](
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config.name,
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client.server_capabilities
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)
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-- Neovim calls `on_init` before marking a client as active, meaning
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-- we can't get a client via get_client_by_id until after `on_init` is
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-- called. By deferring execution of calling the init callbacks we
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@@ -55,6 +63,7 @@ module.send_message = function(args)
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local client = vim.lsp.get_client_by_id(args.client_id)
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if args.is_notification then
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-- For notifications we send a request and expect no direct response.
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local success = client.notify(args.method, args.params)
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if success then
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@@ -64,10 +73,23 @@ module.send_message = function(args)
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return 0
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end
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-- NOTE: We aren't yet handling reponses to requests properly!
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-- NOTE: There is a fourth argument for a bufnr here, and it's not
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-- clear what that argument is for or why we need it.
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local success, request_id = client.request(args.method, args.params)
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local success, request_id
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-- For request we send a request and handle the response.
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--
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-- We set the bufnr to -1 to prevent Neovim from flushing anything, as ALE
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-- already flushes changes to files before sending requests.
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success, request_id = client.request(
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args.method,
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args.params,
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function(_, result, _, _)
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vim.fn["ale#lsp#HandleResponse"](client.name, {
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id = request_id,
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result = result,
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})
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end,
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-1
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)
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if success then
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return request_id
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