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89 lines
2.6 KiB
VimL
89 lines
2.6 KiB
VimL
7 years ago
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" Author: w0rp <devw0rp@gmail.com>
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" Description: Language Server Protocol message implementations
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"
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" Messages in this movie will be returned in the format
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" [is_notification, method_name, params?]
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let g:ale_lsp_next_version_id = 1
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" The LSP protocols demands that we send every change to a document, including
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" undo, with incrementing version numbers, so we'll just use one incrementing
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" ID for everything.
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function! ale#lsp#message#GetNextVersionID() abort
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" Use the current ID
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let l:id = g:ale_lsp_next_version_id
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" Increment the ID variable.
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let g:ale_lsp_next_version_id += 1
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" When the ID overflows, reset it to 1. By the time we hit the initial ID
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" again, the messages will be long gone.
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if g:ale_lsp_next_version_id < 1
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let g:ale_lsp_next_version_id = 1
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endif
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return l:id
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endfunction
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function! ale#lsp#message#Initialize(root_path) abort
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" TODO: Define needed capabilities.
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return [0, 'initialize', {
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\ 'processId': getpid(),
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\ 'rootPath': a:root_path,
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\ 'capabilities': {},
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\}]
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endfunction
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function! ale#lsp#message#Initialized() abort
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return [1, 'initialized']
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endfunction
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function! ale#lsp#message#Shutdown() abort
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return [0, 'shutdown']
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endfunction
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function! ale#lsp#message#Exit() abort
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return [1, 'exit']
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endfunction
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function! ale#lsp#message#DidOpen(buffer, language_id) abort
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let l:lines = getbufline(a:buffer, 1, '$')
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return [1, 'textDocument/didOpen', {
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\ 'textDocument': {
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\ 'uri': ale#path#ToURI(expand('#' . a:buffer . ':p')),
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\ 'languageId': a:language_id,
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\ 'version': ale#lsp#message#GetNextVersionID(),
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\ 'text': join(l:lines, "\n"),
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\ },
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\}]
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endfunction
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function! ale#lsp#message#DidChange(buffer) abort
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let l:lines = getbufline(a:buffer, 1, '$')
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" For changes, we simply send the full text of the document to the server.
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return [1, 'textDocument/didChange', {
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\ 'textDocument': {
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\ 'uri': ale#path#ToURI(expand('#' . a:buffer . ':p')),
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\ 'version': ale#lsp#message#GetNextVersionID(),
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\ },
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\ 'contentChanges': [{'text': join(l:lines, "\n")}]
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\}]
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endfunction
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function! ale#lsp#message#DidSave(buffer) abort
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return [1, 'textDocument/didSave', {
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\ 'textDocument': {
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\ 'uri': ale#path#ToURI(expand('#' . a:buffer . ':p')),
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\ },
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\}]
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endfunction
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function! ale#lsp#message#DidClose(buffer) abort
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return [1, 'textDocument/didClose', {
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\ 'textDocument': {
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\ 'uri': ale#path#ToURI(expand('#' . a:buffer . ':p')),
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\ },
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\}]
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endfunction
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