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|
" Author: w0rp <devw0rp@gmail.com>
" Description: Language Server Protocol message implementations
"
" Messages in this movie will be returned in the format
" [is_notification, method_name, params?]
"
" All functions which accept line and column arguments expect them to be 1-based
" (the same format as being returned by getpos() and friends), those then
" will be converted to 0-based as specified by LSP.
let g:ale_lsp_next_version_id = 1
" The LSP protocols demands that we send every change to a document, including
" undo, with incrementing version numbers, so we'll just use one incrementing
" ID for everything.
function! ale#lsp#message#GetNextVersionID() abort
" Use the current ID
let l:id = g:ale_lsp_next_version_id
" Increment the ID variable.
let g:ale_lsp_next_version_id += 1
" When the ID overflows, reset it to 1. By the time we hit the initial ID
" again, the messages will be long gone.
if g:ale_lsp_next_version_id < 1
let g:ale_lsp_next_version_id = 1
endif
return l:id
endfunction
function! ale#lsp#message#Initialize(root_path, options, capabilities) abort
" NOTE: rootPath is deprecated in favour of rootUri
return [0, 'initialize', {
\ 'processId': getpid(),
\ 'rootPath': a:root_path,
\ 'capabilities': a:capabilities,
\ 'initializationOptions': a:options,
\ 'rootUri': ale#util#ToURI(a:root_path),
\}]
endfunction
function! ale#lsp#message#Initialized() abort
return [1, 'initialized', {}]
endfunction
function! ale#lsp#message#Shutdown() abort
return [0, 'shutdown']
endfunction
function! ale#lsp#message#Exit() abort
return [1, 'exit']
endfunction
function! ale#lsp#message#DidOpen(buffer, language_id) abort
return [1, 'textDocument/didOpen', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ 'languageId': a:language_id,
\ 'version': ale#lsp#message#GetNextVersionID(),
\ 'text': ale#util#GetBufferContents(a:buffer),
\ },
\}]
endfunction
function! ale#lsp#message#DidChange(buffer) abort
" For changes, we simply send the full text of the document to the server.
return [1, 'textDocument/didChange', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ 'version': ale#lsp#message#GetNextVersionID(),
\ },
\ 'contentChanges': [{'text': ale#util#GetBufferContents(a:buffer)}]
\}]
endfunction
function! ale#lsp#message#DidSave(buffer, include_text) abort
let l:response = [1, 'textDocument/didSave', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\}]
if a:include_text
let l:response[2].textDocument.version = ale#lsp#message#GetNextVersionID()
let l:response[2].text = ale#util#GetBufferContents(a:buffer)
endif
return l:response
endfunction
function! ale#lsp#message#DidClose(buffer) abort
return [1, 'textDocument/didClose', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\}]
endfunction
let s:COMPLETION_TRIGGER_INVOKED = 1
let s:COMPLETION_TRIGGER_CHARACTER = 2
function! ale#lsp#message#Completion(buffer, line, column, trigger_character) abort
let l:message = [0, 'textDocument/completion', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\}]
if !empty(a:trigger_character)
let l:message[2].context = {
\ 'triggerKind': s:COMPLETION_TRIGGER_CHARACTER,
\ 'triggerCharacter': a:trigger_character,
\}
endif
return l:message
endfunction
function! ale#lsp#message#Definition(buffer, line, column) abort
return [0, 'textDocument/definition', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\}]
endfunction
function! ale#lsp#message#TypeDefinition(buffer, line, column) abort
return [0, 'textDocument/typeDefinition', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\}]
endfunction
function! ale#lsp#message#Implementation(buffer, line, column) abort
return [0, 'textDocument/implementation', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\}]
endfunction
function! ale#lsp#message#References(buffer, line, column) abort
return [0, 'textDocument/references', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\ 'context': {'includeDeclaration': v:false},
\}]
endfunction
function! ale#lsp#message#Symbol(query) abort
return [0, 'workspace/symbol', {
\ 'query': a:query,
\}]
endfunction
function! ale#lsp#message#Hover(buffer, line, column) abort
return [0, 'textDocument/hover', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\}]
endfunction
function! ale#lsp#message#DidChangeConfiguration(buffer, config) abort
return [1, 'workspace/didChangeConfiguration', {
\ 'settings': a:config,
\}]
endfunction
function! ale#lsp#message#Rename(buffer, line, column, new_name) abort
return [0, 'textDocument/rename', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'position': {'line': a:line - 1, 'character': a:column - 1},
\ 'newName': a:new_name,
\}]
endfunction
function! ale#lsp#message#CodeAction(buffer, line, column, end_line, end_column, diagnostics) abort
return [0, 'textDocument/codeAction', {
\ 'textDocument': {
\ 'uri': ale#util#ToURI(expand('#' . a:buffer . ':p')),
\ },
\ 'range': {
\ 'start': {'line': a:line - 1, 'character': a:column - 1},
\ 'end': {'line': a:end_line - 1, 'character': a:end_column},
\ },
\ 'context': {
\ 'diagnostics': a:diagnostics
\ },
\}]
endfunction
function! ale#lsp#message#ExecuteCommand(command, arguments) abort
return [0, 'workspace/executeCommand', {
\ 'command': a:command,
\ 'arguments': a:arguments,
\}]
endfunction
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