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youcompleteme.vim
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youcompleteme.vim
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" Copyright (C) 2011-2018 YouCompleteMe contributors
"
" This file is part of YouCompleteMe.
"
" YouCompleteMe is free software: you can redistribute it and/or modify
" it under the terms of the GNU General Public License as published by
" the Free Software Foundation, either version 3 of the License, or
" (at your option) any later version.
"
" YouCompleteMe is distributed in the hope that it will be useful,
" but WITHOUT ANY WARRANTY; without even the implied warranty of
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
" GNU General Public License for more details.
"
" You should have received a copy of the GNU General Public License
" along with YouCompleteMe. If not, see <http://www.gnu.org/licenses/>.
" This is basic vim plugin boilerplate
let s:save_cpo = &cpo
set cpo&vim
" This needs to be called outside of a function
let s:script_folder_path = escape( expand( '<sfile>:p:h' ), '\' )
let s:force_semantic = 0
let s:completion_stopped = 0
" These two variables are initialized in youcompleteme#Enable.
let s:default_completion = {}
let s:completion = {}
let s:previous_allowed_buffer_number = 0
let s:pollers = {
\ 'completion': {
\ 'id': -1,
\ 'wait_milliseconds': 10
\ },
\ 'file_parse_response': {
\ 'id': -1,
\ 'wait_milliseconds': 100
\ },
\ 'server_ready': {
\ 'id': -1,
\ 'wait_milliseconds': 100
\ },
\ 'receive_messages': {
\ 'id': -1,
\ 'wait_milliseconds': 100
\ }
\ }
let s:buftype_blacklist = {
\ 'help': 1,
\ 'terminal': 1,
\ 'quickfix': 1
\ }
" When both versions are available, we prefer Python 3 over Python 2:
" - faster startup (no monkey-patching from python-future);
" - better Windows support (e.g. temporary paths are not returned in all
" lowercase);
" - Python 2 support will eventually be dropped.
function! s:UsingPython3()
if has('python3')
return 1
endif
return 0
endfunction
let s:using_python3 = s:UsingPython3()
let s:python_until_eof = s:using_python3 ? "python3 << EOF" : "python << EOF"
let s:python_command = s:using_python3 ? "py3 " : "py "
function! s:Pyeval( eval_string )
if s:using_python3
return py3eval( a:eval_string )
endif
return pyeval( a:eval_string )
endfunction
function! s:StartMessagePoll()
if s:pollers.receive_messages.id < 0
let s:pollers.receive_messages.id = timer_start(
\ s:pollers.receive_messages.wait_milliseconds,
\ function( 's:ReceiveMessages' ) )
endif
endfunction
function! s:ReceiveMessages( timer_id )
let poll_again = s:Pyeval( 'ycm_state.OnPeriodicTick()' )
if poll_again
let s:pollers.receive_messages.id = timer_start(
\ s:pollers.receive_messages.wait_milliseconds,
\ function( 's:ReceiveMessages' ) )
else
" Don't poll again until we open another buffer
let s:pollers.receive_messages.id = -1
endif
endfunction
function! s:SetUpOptions()
call s:SetUpCommands()
call s:SetUpCpoptions()
call s:SetUpCompleteopt()
call s:SetUpKeyMappings()
if g:ycm_show_diagnostics_ui
call s:TurnOffSyntasticForCFamily()
endif
call s:SetUpSigns()
call s:SetUpSyntaxHighlighting()
endfunction
function! youcompleteme#Enable()
call s:SetUpBackwardsCompatibility()
if !s:SetUpPython()
return
endif
call s:SetUpOptions()
call youcompleteme#EnableCursorMovedAutocommands()
augroup youcompleteme
autocmd!
" Note that these events will NOT trigger for the file vim is started with;
" so if you do "vim foo.cc", these events will not trigger when that buffer
" is read. This is because youcompleteme#Enable() is called on VimEnter and
" that happens *after* FileType has already triggered for the initial file.
" We don't parse the buffer on the BufRead event since it would only be
" useful if the buffer filetype is set (we ignore the buffer if there is no
" filetype) and if so, the FileType event has triggered before and thus the
" buffer is already parsed.
autocmd FileType * call s:OnFileTypeSet()
autocmd BufEnter,CmdwinEnter * call s:OnBufferEnter()
autocmd BufUnload * call s:OnBufferUnload()
autocmd InsertLeave * call s:OnInsertLeave()
autocmd VimLeave * call s:OnVimLeave()
autocmd CompleteDone * call s:OnCompleteDone()
autocmd BufEnter,WinEnter * call s:UpdateMatches()
augroup END
" The FileType event is not triggered for the first loaded file. We wait until
" the server is ready to manually run the s:OnFileTypeSet function.
let s:pollers.server_ready.id = timer_start(
\ s:pollers.server_ready.wait_milliseconds,
\ function( 's:PollServerReady' ) )
let s:default_completion = s:Pyeval( 'vimsupport.NO_COMPLETIONS' )
let s:completion = s:default_completion
endfunction
function! youcompleteme#EnableCursorMovedAutocommands()
augroup ycmcompletemecursormove
autocmd!
autocmd CursorMoved * call s:OnCursorMovedNormalMode()
autocmd TextChanged * call s:OnTextChangedNormalMode()
autocmd TextChangedI * call s:OnTextChangedInsertMode()
" The TextChangedI event is not triggered when inserting a character while
" the completion menu is open. We handle this by closing the completion menu
" just before inserting a character.
autocmd InsertCharPre * call s:OnInsertChar()
augroup END
endfunction
function! youcompleteme#DisableCursorMovedAutocommands()
autocmd! ycmcompletemecursormove
endfunction
function! youcompleteme#GetErrorCount()
return s:Pyeval( 'ycm_state.GetErrorCount()' )
endfunction
function! youcompleteme#GetWarningCount()
return s:Pyeval( 'ycm_state.GetWarningCount()' )
endfunction
function! s:SetUpPython() abort
exec s:python_until_eof
from __future__ import unicode_literals
from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
import os.path as p
import re
import sys
import traceback
import vim
root_folder = p.normpath( p.join( vim.eval( 's:script_folder_path' ), '..' ) )
third_party_folder = p.join( root_folder, 'third_party' )
python_stdlib_zip_regex = re.compile( 'python[23][0-9]\\.zip' )
def IsStandardLibraryFolder( path ):
return ( ( p.isfile( path )
and python_stdlib_zip_regex.match( p.basename( path ) ) )
or p.isfile( p.join( path, 'os.py' ) ) )
def IsVirtualEnvLibraryFolder( path ):
return p.isfile( p.join( path, 'orig-prefix.txt' ) )
def GetStandardLibraryIndexInSysPath():
for index, path in enumerate( sys.path ):
if ( IsStandardLibraryFolder( path ) and
not IsVirtualEnvLibraryFolder( path ) ):
return index
raise RuntimeError( 'Could not find standard library path in Python path.' )
# Add dependencies to Python path.
dependencies = [ p.join( root_folder, 'python' ),
p.join( third_party_folder, 'requests-futures' ),
p.join( third_party_folder, 'ycmd' ),
p.join( third_party_folder, 'requests_deps', 'idna' ),
p.join( third_party_folder, 'requests_deps', 'chardet' ),
p.join( third_party_folder,
'requests_deps',
'urllib3',
'src' ),
p.join( third_party_folder, 'requests_deps', 'certifi' ),
p.join( third_party_folder, 'requests_deps', 'requests' ) ]
# The concurrent.futures module is part of the standard library on Python 3.
if sys.version_info[ 0 ] == 2:
dependencies.append( p.join( third_party_folder, 'pythonfutures' ) )
sys.path[ 0:0 ] = dependencies
# We enclose this code in a try/except block to avoid backtraces in Vim.
try:
# The python-future module must be inserted after the standard library path.
sys.path.insert( GetStandardLibraryIndexInSysPath() + 1,
p.join( third_party_folder, 'python-future', 'src' ) )
# Import the modules used in this file.
from ycm import base, vimsupport, youcompleteme
ycm_state = youcompleteme.YouCompleteMe()
except Exception as error:
# We don't use PostVimMessage or EchoText from the vimsupport module because
# importing this module may fail.
vim.command( 'redraw | echohl WarningMsg' )
for line in traceback.format_exc().splitlines():
vim.command( "echom '{0}'".format( line.replace( "'", "''" ) ) )
vim.command( "echo 'YouCompleteMe unavailable: {0}'"
.format( str( error ).replace( "'", "''" ) ) )
vim.command( 'echohl None' )
vim.command( 'return 0' )
else:
vim.command( 'return 1' )
EOF
endfunction
function! s:SetUpKeyMappings()
" The g:ycm_key_select_completion and g:ycm_key_previous_completion used to
" exist and are now here purely for the sake of backwards compatibility; we
" don't want to break users if we can avoid it.
if exists('g:ycm_key_select_completion') &&
\ index(g:ycm_key_list_select_completion,
\ g:ycm_key_select_completion) == -1
call add(g:ycm_key_list_select_completion, g:ycm_key_select_completion)
endif
if exists('g:ycm_key_previous_completion') &&
\ index(g:ycm_key_list_previous_completion,
\ g:ycm_key_previous_completion) == -1
call add(g:ycm_key_list_previous_completion, g:ycm_key_previous_completion)
endif
for key in g:ycm_key_list_select_completion
" With this command, when the completion window is visible, the tab key
" (default) will select the next candidate in the window. In vim, this also
" changes the typed-in text to that of the candidate completion.
exe 'imap <expr>' . key .
\ ' pumvisible() ? "\<C-n>" : "\' . key .'"'
endfor
for key in g:ycm_key_list_previous_completion
" This selects the previous candidate for shift-tab (default)
exe 'imap <expr>' . key .
\ ' pumvisible() ? "\<C-p>" : "\' . key .'"'
endfor
for key in g:ycm_key_list_stop_completion
" When selecting a candidate and closing the completion menu with the <C-y>
" key, the menu will automatically be reopened because of the TextChangedI
" event. We define a command to prevent that.
exe 'imap <expr>' . key . ' <SID>StopCompletion( "\' . key . '" )'
endfor
if !empty( g:ycm_key_invoke_completion )
let invoke_key = g:ycm_key_invoke_completion
" Inside the console, <C-Space> is passed as <Nul> to Vim
if invoke_key ==# '<C-Space>'
imap <Nul> <C-Space>
endif
silent! exe 'imap <unique> <silent> ' . invoke_key .
\ ' <C-R>=<SID>InvokeSemanticCompletion()<CR>'
endif
if !empty( g:ycm_key_detailed_diagnostics )
silent! exe 'nmap <unique> ' . g:ycm_key_detailed_diagnostics .
\ ' :YcmShowDetailedDiagnostic<CR>'
endif
" The TextChangedI event is not triggered when deleting a character while the
" completion menu is open. We handle this by closing the completion menu on
" the keys that delete a character in insert mode.
for key in [ "<BS>", "<C-h>" ]
silent! exe 'imap <unique> <expr> ' . key .
\ ' <SID>OnDeleteChar( "\' . key . '" )'
endfor
endfunction
function! s:SetUpSigns()
" We try to ensure backwards compatibility with Syntastic if the user has
" already defined styling for Syntastic highlight groups.
if !hlexists( 'YcmErrorSign' )
if hlexists( 'SyntasticErrorSign')
highlight link YcmErrorSign SyntasticErrorSign
else
highlight link YcmErrorSign error
endif
endif
if !hlexists( 'YcmWarningSign' )
if hlexists( 'SyntasticWarningSign')
highlight link YcmWarningSign SyntasticWarningSign
else
highlight link YcmWarningSign todo
endif
endif
if !hlexists( 'YcmErrorLine' )
highlight link YcmErrorLine SyntasticErrorLine
endif
if !hlexists( 'YcmWarningLine' )
highlight link YcmWarningLine SyntasticWarningLine
endif
exe 'sign define YcmError text=' . g:ycm_error_symbol .
\ ' texthl=YcmErrorSign linehl=YcmErrorLine'
exe 'sign define YcmWarning text=' . g:ycm_warning_symbol .
\ ' texthl=YcmWarningSign linehl=YcmWarningLine'
endfunction
function! s:SetUpSyntaxHighlighting()
" We try to ensure backwards compatibility with Syntastic if the user has
" already defined styling for Syntastic highlight groups.
if !hlexists( 'YcmErrorSection' )
if hlexists( 'SyntasticError' )
highlight link YcmErrorSection SyntasticError
else
highlight link YcmErrorSection SpellBad
endif
endif
if !hlexists( 'YcmWarningSection' )
if hlexists( 'SyntasticWarning' )
highlight link YcmWarningSection SyntasticWarning
else
highlight link YcmWarningSection SpellCap
endif
endif
endfunction
function! s:SetUpBackwardsCompatibility()
let complete_in_comments_and_strings =
\ get( g:, 'ycm_complete_in_comments_and_strings', 0 )
if complete_in_comments_and_strings
let g:ycm_complete_in_strings = 1
let g:ycm_complete_in_comments = 1
endif
" ycm_filetypes_to_completely_ignore is the old name for fileype_blacklist
if has_key( g:, 'ycm_filetypes_to_completely_ignore' )
let g:filetype_blacklist = g:ycm_filetypes_to_completely_ignore
endif
endfunction
" Needed so that YCM is used instead of Syntastic
function! s:TurnOffSyntasticForCFamily()
let g:syntastic_cpp_checkers = []
let g:syntastic_c_checkers = []
let g:syntastic_objc_checkers = []
let g:syntastic_objcpp_checkers = []
let g:syntastic_cuda_checkers = []
endfunction
function! s:DisableOnLargeFile( buffer )
if exists( 'b:ycm_largefile' )
return b:ycm_largefile
endif
let threshold = g:ycm_disable_for_files_larger_than_kb * 1024
let b:ycm_largefile =
\ threshold > 0 && getfsize( expand( a:buffer ) ) > threshold
if b:ycm_largefile
exec s:python_command "vimsupport.PostVimMessage(" .
\ "'YouCompleteMe is disabled in this buffer; " .
\ "the file exceeded the max size (see YCM options).' )"
endif
return b:ycm_largefile
endfunction
function! s:AllowedToCompleteInBuffer( buffer )
let buftype = getbufvar( a:buffer, '&buftype' )
if has_key( s:buftype_blacklist, buftype )
return 0
endif
let filetype = getbufvar( a:buffer, '&filetype' )
if empty( filetype ) || s:DisableOnLargeFile( a:buffer )
return 0
endif
let whitelist_allows = type( g:ycm_filetype_whitelist ) != type( {} ) ||
\ has_key( g:ycm_filetype_whitelist, '*' ) ||
\ has_key( g:ycm_filetype_whitelist, filetype )
let blacklist_allows = type( g:ycm_filetype_blacklist ) != type( {} ) ||
\ !has_key( g:ycm_filetype_blacklist, filetype )
let allowed = whitelist_allows && blacklist_allows
if allowed
let s:previous_allowed_buffer_number = bufnr( a:buffer )
endif
return allowed
endfunction
function! s:AllowedToCompleteInCurrentBuffer()
return s:AllowedToCompleteInBuffer( '%' )
endfunction
function! s:VisitedBufferRequiresReparse()
if bufnr( '%' ) ==# s:previous_allowed_buffer_number
return 0
endif
return s:AllowedToCompleteInCurrentBuffer()
endfunction
function! s:SetUpCpoptions()
" Without this flag in cpoptions, critical YCM mappings do not work. There's
" no way to not have this and have YCM working, so force the flag.
set cpoptions+=B
" This prevents the display of "Pattern not found" & similar messages during
" completion.
set shortmess+=c
endfunction
function! s:SetUpCompleteopt()
" Some plugins (I'm looking at you, vim-notes) change completeopt by for
" instance adding 'longest'. This breaks YCM. So we force our settings.
" There's no two ways about this: if you want to use YCM then you have to
" have these completeopt settings, otherwise YCM won't work at all.
" We need menuone in completeopt, otherwise when there's only one candidate
" for completion, the menu doesn't show up.
set completeopt-=menu
set completeopt+=menuone
" This is unnecessary with our features. People use this option to insert
" the common prefix of all the matches and then add more differentiating chars
" so that they can select a more specific match. With our features, they
" don't need to insert the prefix; they just type the differentiating chars.
" Also, having this option set breaks the plugin.
set completeopt-=longest
if g:ycm_add_preview_to_completeopt
set completeopt+=preview
endif
endfunction
function! s:SetCompleteFunc()
let &completefunc = 'youcompleteme#CompleteFunc'
endfunction
function! s:OnVimLeave()
" Workaround a NeoVim issue - not shutting down timers correctly
" https://github.com/neovim/neovim/issues/6840
for poller in values( s:pollers )
call timer_stop( poller.id )
endfor
exec s:python_command "ycm_state.OnVimLeave()"
endfunction
function! s:OnCompleteDone()
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
exec s:python_command "ycm_state.OnCompleteDone()"
endfunction
function! s:OnFileTypeSet()
" The contents of the command-line window are empty when the filetype is set
" for the first time. Users should never change its filetype so we only rely
" on the CmdwinEnter event for that window.
if !empty( getcmdwintype() )
return
endif
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
call s:SetUpCompleteopt()
call s:SetCompleteFunc()
call s:StartMessagePoll()
exec s:python_command "ycm_state.OnBufferVisit()"
call s:OnFileReadyToParse( 1 )
endfunction
function! s:OnBufferEnter()
if !s:VisitedBufferRequiresReparse()
return
endif
call s:SetUpCompleteopt()
call s:SetCompleteFunc()
call s:StartMessagePoll()
exec s:python_command "ycm_state.OnBufferVisit()"
" Last parse may be outdated because of changes from other buffers. Force a
" new parse.
call s:OnFileReadyToParse( 1 )
endfunction
function! s:OnBufferUnload()
" Expanding <abuf> returns the unloaded buffer number as a string but we want
" it as a true number for the getbufvar function.
let buffer_number = str2nr( expand( '<abuf>' ) )
if !s:AllowedToCompleteInBuffer( buffer_number )
return
endif
exec s:python_command "ycm_state.OnBufferUnload( " . buffer_number . " )"
endfunction
function! s:UpdateMatches()
exec s:python_command "ycm_state.UpdateMatches()"
endfunction
function! s:PollServerReady( timer_id )
if !s:Pyeval( 'ycm_state.IsServerAlive()' )
exec s:python_command "ycm_state.NotifyUserIfServerCrashed()"
" Server crashed. Don't poll it again.
return
endif
if !s:Pyeval( 'ycm_state.CheckIfServerIsReady()' )
let s:pollers.server_ready.id = timer_start(
\ s:pollers.server_ready.wait_milliseconds,
\ function( 's:PollServerReady' ) )
return
endif
call s:OnFileTypeSet()
endfunction
function! s:OnFileReadyToParse( ... )
" Accepts an optional parameter that is either 0 or 1. If 1, send a
" FileReadyToParse event notification, whether the buffer has changed or not;
" effectively forcing a parse of the buffer. Default is 0.
let force_parsing = a:0 > 0 && a:1
" We only want to send a new FileReadyToParse event notification if the buffer
" has changed since the last time we sent one, or if forced.
if force_parsing || s:Pyeval( "ycm_state.NeedsReparse()" )
exec s:python_command "ycm_state.OnFileReadyToParse()"
call timer_stop( s:pollers.file_parse_response.id )
let s:pollers.file_parse_response.id = timer_start(
\ s:pollers.file_parse_response.wait_milliseconds,
\ function( 's:PollFileParseResponse' ) )
endif
endfunction
function! s:PollFileParseResponse( ... )
if !s:Pyeval( "ycm_state.FileParseRequestReady()" )
let s:pollers.file_parse_response.id = timer_start(
\ s:pollers.file_parse_response.wait_milliseconds,
\ function( 's:PollFileParseResponse' ) )
return
endif
exec s:python_command "ycm_state.HandleFileParseRequest()"
if s:Pyeval( "ycm_state.ShouldResendFileParseRequest()" )
call s:OnFileReadyToParse( 1 )
endif
endfunction
function! s:SendKeys( keys )
" By default keys are added to the end of the typeahead buffer. If there are
" already keys in the buffer, they will be processed first and may change the
" state that our keys combination was sent for (e.g. <C-X><C-U><C-P> in normal
" mode instead of insert mode or <C-e> outside of completion mode). We avoid
" that by inserting the keys at the start of the typeahead buffer with the 'i'
" option. Also, we don't want the keys to be remapped to something else so we
" add the 'n' option.
call feedkeys( a:keys, 'in' )
endfunction
function! s:CloseCompletionMenu()
if pumvisible()
call s:SendKeys( "\<C-e>" )
endif
endfunction
function! s:OnInsertChar()
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
call timer_stop( s:pollers.completion.id )
call s:CloseCompletionMenu()
endfunction
function! s:OnDeleteChar( key )
if !s:AllowedToCompleteInCurrentBuffer()
return a:key
endif
call timer_stop( s:pollers.completion.id )
if pumvisible()
return "\<C-y>" . a:key
endif
return a:key
endfunction
function! s:StopCompletion( key )
call timer_stop( s:pollers.completion.id )
if pumvisible()
let s:completion_stopped = 1
return "\<C-y>"
endif
return a:key
endfunction
function! s:OnCursorMovedNormalMode()
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
exec s:python_command "ycm_state.OnCursorMoved()"
endfunction
function! s:OnTextChangedNormalMode()
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
call s:OnFileReadyToParse()
endfunction
function! s:OnTextChangedInsertMode()
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
if s:completion_stopped
let s:completion_stopped = 0
let s:completion = s:default_completion
return
endif
call s:IdentifierFinishedOperations()
" We have to make sure we correctly leave semantic mode even when the user
" inserts something like a "operator[]" candidate string which fails
" CurrentIdentifierFinished check.
if s:force_semantic && !s:Pyeval( 'base.LastEnteredCharIsIdentifierChar()' )
let s:force_semantic = 0
endif
if &completefunc == "youcompleteme#CompleteFunc" &&
\ ( g:ycm_auto_trigger || s:force_semantic ) &&
\ !s:InsideCommentOrStringAndShouldStop() &&
\ !s:OnBlankLine()
" Immediately call previous completion to avoid flickers.
call s:Complete()
call s:InvokeCompletion()
endif
exec s:python_command "ycm_state.OnCursorMoved()"
if g:ycm_autoclose_preview_window_after_completion
call s:ClosePreviewWindowIfNeeded()
endif
endfunction
function! s:OnInsertLeave()
if !s:AllowedToCompleteInCurrentBuffer()
return
endif
call timer_stop( s:pollers.completion.id )
let s:force_semantic = 0
let s:completion = s:default_completion
call s:OnFileReadyToParse()
exec s:python_command "ycm_state.OnInsertLeave()"
if g:ycm_autoclose_preview_window_after_completion ||
\ g:ycm_autoclose_preview_window_after_insertion
call s:ClosePreviewWindowIfNeeded()
endif
endfunction
function! s:ClosePreviewWindowIfNeeded()
let current_buffer_name = bufname('')
" We don't want to try to close the preview window in special buffers like
" "[Command Line]"; if we do, Vim goes bonkers. Special buffers always start
" with '['.
if current_buffer_name[ 0 ] == '['
return
endif
" This command does the actual closing of the preview window. If no preview
" window is shown, nothing happens.
pclose
endfunction
function! s:IdentifierFinishedOperations()
if !s:Pyeval( 'base.CurrentIdentifierFinished()' )
return
endif
exec s:python_command "ycm_state.OnCurrentIdentifierFinished()"
let s:force_semantic = 0
let s:completion = s:default_completion
endfunction
" Returns 1 when inside comment and 2 when inside string
function! s:InsideCommentOrString()
" Has to be col('.') -1 because col('.') doesn't exist at this point. We are
" in insert mode when this func is called.
let syntax_group = synIDattr(
\ synIDtrans( synID( line( '.' ), col( '.' ) - 1, 1 ) ), 'name')
if stridx(syntax_group, 'Comment') > -1
return 1
endif
if stridx(syntax_group, 'String') > -1
return 2
endif
return 0
endfunction
function! s:InsideCommentOrStringAndShouldStop()
let retval = s:InsideCommentOrString()
let inside_comment = retval == 1
let inside_string = retval == 2
if inside_comment && g:ycm_complete_in_comments ||
\ inside_string && g:ycm_complete_in_strings
return 0
endif
return retval
endfunction
function! s:OnBlankLine()
return s:Pyeval( 'not vim.current.line or vim.current.line.isspace()' )
endfunction
function! s:InvokeCompletion()
exec s:python_command "ycm_state.SendCompletionRequest(" .
\ "vimsupport.GetBoolValue( 's:force_semantic' ) )"
call s:PollCompletion()
endfunction
function! s:InvokeSemanticCompletion()
if &completefunc == "youcompleteme#CompleteFunc"
let s:force_semantic = 1
exec s:python_command "ycm_state.SendCompletionRequest( True )"
call s:PollCompletion()
endif
" Since this function is called in a mapping through the expression register
" <C-R>=, its return value is inserted (see :h c_CTRL-R_=). We don't want to
" insert anything so we return an empty string.
return ''
endfunction
function! s:PollCompletion( ... )
if !s:Pyeval( 'ycm_state.CompletionRequestReady()' )
let s:pollers.completion.id = timer_start(
\ s:pollers.completion.wait_milliseconds,
\ function( 's:PollCompletion' ) )
return
endif
let s:completion = s:Pyeval( 'ycm_state.GetCompletionResponse()' )
call s:Complete()
endfunction
function! s:Complete()
" Do not call user's completion function if the start column is after the
" current column or if there are no candidates. Close the completion menu
" instead. This avoids keeping the user in completion mode.
if s:completion.completion_start_column > s:completion.column ||
\ empty( s:completion.completions )
call s:CloseCompletionMenu()
else
" <c-x><c-u> invokes the user's completion function (which we have set to
" youcompleteme#CompleteFunc), and <c-p> tells Vim to select the previous
" completion candidate. This is necessary because by default, Vim selects
" the first candidate when completion is invoked, and selecting a candidate
" automatically replaces the current text with it. Calling <c-p> forces Vim
" to deselect the first candidate and in turn preserve the user's current
" text until he explicitly chooses to replace it with a completion.
call s:SendKeys( "\<C-X>\<C-U>\<C-P>" )
endif
endfunction
function! youcompleteme#CompleteFunc( findstart, base )
if a:findstart
" When auto-wrapping is enabled, Vim wraps the current line after the
" completion request is sent but before calling this function. The starting
" column returned by the server is invalid in that case and must be
" recomputed.
if s:completion.line != line( '.' )
" Given
" scb: column where the completion starts before auto-wrapping
" cb: cursor column before auto-wrapping
" sca: column where the completion starts after auto-wrapping
" ca: cursor column after auto-wrapping
" we have
" ca - sca = cb - scb
" sca = scb + ca - cb
let s:completion.completion_start_column +=
\ col( '.' ) - s:completion.column
endif
return s:completion.completion_start_column - 1
endif
return s:completion.completions
endfunction
function! youcompleteme#ServerPid()
return s:Pyeval( 'ycm_state.ServerPid()' )
endfunction
function! s:SetUpCommands()
command! YcmRestartServer call s:RestartServer()
command! YcmDebugInfo call s:DebugInfo()
command! -nargs=* -complete=custom,youcompleteme#LogsComplete
\ YcmToggleLogs call s:ToggleLogs(<f-args>)
if s:Pyeval( 'vimsupport.VimVersionAtLeast( "7.4.1898" )' )
command! -nargs=* -complete=custom,youcompleteme#SubCommandsComplete -range
\ YcmCompleter call s:CompleterCommand(<q-mods>,
\ <count>,
\ <line1>,
\ <line2>,
\ <f-args>)
else
command! -nargs=* -complete=custom,youcompleteme#SubCommandsComplete -range
\ YcmCompleter call s:CompleterCommand('',
\ <count>,
\ <line1>,
\ <line2>,
\ <f-args>)
endif
command! YcmDiags call s:ShowDiagnostics()
command! YcmShowDetailedDiagnostic call s:ShowDetailedDiagnostic()
command! YcmForceCompileAndDiagnostics call s:ForceCompileAndDiagnostics()
endfunction
function! s:RestartServer()
call s:SetUpOptions()
exec s:python_command "ycm_state.RestartServer()"
call timer_stop( s:pollers.receive_messages.id )
let s:pollers.receive_messages.id = -1
call timer_stop( s:pollers.server_ready.id )
let s:pollers.server_ready.id = timer_start(
\ s:pollers.server_ready.wait_milliseconds,
\ function( 's:PollServerReady' ) )
endfunction
function! s:DebugInfo()
echom "Printing YouCompleteMe debug information..."
let debug_info = s:Pyeval( 'ycm_state.DebugInfo()' )
for line in split( debug_info, "\n" )
echom '-- ' . line
endfor
endfunction
function! s:ToggleLogs(...)
exec s:python_command "ycm_state.ToggleLogs( *vim.eval( 'a:000' ) )"
endfunction
function! youcompleteme#LogsComplete( arglead, cmdline, cursorpos )
return join( s:Pyeval( 'list( ycm_state.GetLogfiles() )' ), "\n" )
endfunction
function! s:CompleterCommand( mods, count, line1, line2, ... )
exec s:python_command "ycm_state.SendCommandRequest(" .
\ "vim.eval( 'a:000' )," .
\ "vim.eval( 'a:mods' )," .
\ "vimsupport.GetBoolValue( 'a:count != -1' )," .
\ "vimsupport.GetIntValue( 'a:line1' )," .
\ "vimsupport.GetIntValue( 'a:line2' ) )"
endfunction
function! youcompleteme#SubCommandsComplete( arglead, cmdline, cursorpos )
return join( s:Pyeval( 'ycm_state.GetDefinedSubcommands()' ), "\n" )
endfunction
function! youcompleteme#OpenGoToList()
exec s:python_command "vimsupport.PostVimMessage(" .
\ "'WARNING: youcompleteme#OpenGoToList function is deprecated. " .
\ "Do NOT use it.' )"
exec s:python_command "vimsupport.OpenQuickFixList( True, True )"
endfunction
function! s:ShowDiagnostics()
exec s:python_command "ycm_state.ShowDiagnostics()"
endfunction