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authorKarel Kočí <cynerd@email.cz>2016-06-30 16:03:25 +0200
committerKarel Kočí <cynerd@email.cz>2016-06-30 16:03:25 +0200
commite573b3020c032400eed60b649a2cbf55266e6bb0 (patch)
tree8f572394ac8433529c7a8e70d160a2fbe8268b4e /vim/bundle/YouCompleteMe/autoload
parentb8c667bd64b3edd38d56c63c5bd1db53a23b4499 (diff)
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+" Copyright (C) 2011, 2012 Google Inc.
+"
+" 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:omnifunc_mode = 0
+let s:defer_omnifunc = 1
+
+let s:old_cursor_position = []
+let s:cursor_moved = 0
+let s:moved_vertically_in_insert_mode = 0
+let s:previous_num_chars_on_current_line = strlen( getline('.') )
+
+
+function! s:UsingPython2()
+ " I'm willing to bet quite a bit that sooner or later, somebody will ask us to
+ " make it configurable which version of Python we use.
+ if has('python')
+ return 1
+ endif
+ return 0
+endfunction
+
+
+let s:using_python2 = s:UsingPython2()
+let s:python_until_eof = s:using_python2 ? "python << EOF" : "python3 << EOF"
+let s:python_command = s:using_python2 ? "py " : "py3 "
+
+
+function! s:Pyeval( eval_string )
+ if s:using_python2
+ return pyeval( a:eval_string )
+ endif
+ return py3eval( a:eval_string )
+endfunction
+
+
+function! youcompleteme#Enable()
+ call s:SetUpBackwardsCompatibility()
+
+ " This can be 0 if YCM libs are old or -1 if an exception occured while
+ " executing the function.
+ if s:SetUpPython() != 1
+ return
+ endif
+
+ 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()
+
+ if g:ycm_allow_changing_updatetime && &updatetime > 2000
+ set ut=2000
+ endif
+
+ 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" BufRead/BufEnter has already triggered for the
+ " initial file.
+ " We also need to trigger buf init code on the FileType event because when
+ " the user does :enew and then :set ft=something, we need to run buf init
+ " code again.
+ autocmd BufReadPre * call s:OnBufferReadPre( expand( '<afile>:p' ) )
+ autocmd BufRead,BufEnter,FileType * call s:OnBufferVisit()
+ autocmd BufUnload * call s:OnBufferUnload( expand( '<afile>:p' ) )
+ autocmd CursorHold,CursorHoldI * call s:OnCursorHold()
+ autocmd InsertLeave * call s:OnInsertLeave()
+ autocmd InsertEnter * call s:OnInsertEnter()
+ autocmd VimLeave * call s:OnVimLeave()
+ autocmd CompleteDone * call s:OnCompleteDone()
+ augroup END
+
+ " Setting the omnifunc require us to ask the server if it has a Native
+ " Semantic Completer for the current buffer's filetype. When vim first start
+ " this mean that we have to wait for the server to be up and running which
+ " would block vim's GUI. To avoid this we defer setting the omnifunc the
+ " first time to when we enter Insert mode and then update it on every
+ " BufferVisit as normal.
+ if s:defer_omnifunc
+ augroup ycm_defer_omnifunc
+ autocmd!
+ autocmd InsertEnter * call s:SetOmnicompleteFunc()
+ \ | let s:defer_omnifunc = 0
+ \ | autocmd! ycm_defer_omnifunc
+ augroup END
+ endif
+
+ " Calling these once solves the problem of BufReadPre/BufRead/BufEnter not
+ " triggering for the first loaded file. This should be the last commands
+ " executed in this function!
+ call s:OnBufferReadPre( expand( '<afile>:p' ) )
+ call s:OnBufferVisit()
+endfunction
+
+
+function! youcompleteme#EnableCursorMovedAutocommands()
+ augroup ycmcompletemecursormove
+ autocmd!
+ autocmd CursorMovedI * call s:OnCursorMovedInsertMode()
+ autocmd CursorMoved * call s:OnCursorMovedNormalMode()
+ augroup END
+endfunction
+
+
+function! youcompleteme#DisableCursorMovedAutocommands()
+ autocmd! ycmcompletemecursormove CursorMoved *
+ autocmd! ycmcompletemecursormove CursorMovedI *
+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
+import sys
+import traceback
+import vim
+
+# Add python sources folder to the system path.
+script_folder = vim.eval( 's:script_folder_path' )
+sys.path.insert( 0, os.path.join( script_folder, '..', 'python' ) )
+
+from ycm.setup import SetUpSystemPaths, SetUpYCM
+
+# We enclose this code in a try/except block to avoid backtraces in Vim.
+try:
+ SetUpSystemPaths()
+
+ # Import the modules used in this file.
+ from ycm import base, vimsupport
+
+ ycm_state = SetUpYCM()
+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 'inoremap <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 'inoremap <expr>' . key .
+ \ ' pumvisible() ? "\<C-p>" : "\' . 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
+
+ " <c-x><c-o> trigger omni completion, <c-p> deselects the first completion
+ " candidate that vim selects by default
+ silent! exe 'inoremap <unique> ' . invoke_key . ' <C-X><C-O><C-P>'
+ endif
+
+ if !empty( g:ycm_key_detailed_diagnostics )
+ silent! exe 'nnoremap <unique> ' . g:ycm_key_detailed_diagnostics .
+ \ ' :YcmShowDetailedDiagnostic<cr>'
+ endif
+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 = []
+endfunction
+
+
+function! s:AllowedToCompleteInCurrentFile()
+ if empty( &filetype ) ||
+ \ getbufvar( winbufnr( winnr() ), "&buftype" ) ==# 'nofile' ||
+ \ &filetype ==# 'qf'
+ return 0
+ endif
+
+ if exists( 'b:ycm_largefile' )
+ return 0
+ endif
+
+ let whitelist_allows = has_key( g:ycm_filetype_whitelist, '*' ) ||
+ \ has_key( g:ycm_filetype_whitelist, &filetype )
+ let blacklist_allows = !has_key( g:ycm_filetype_blacklist, &filetype )
+
+ return whitelist_allows && blacklist_allows
+endfunction
+
+
+function! s:SetUpCommands()
+ command! YcmRestartServer call s:RestartServer()
+ command! YcmShowDetailedDiagnostic call s:ShowDetailedDiagnostic()
+ command! YcmDebugInfo call s:DebugInfo()
+ command! -nargs=? -complete=custom,youcompleteme#LogsComplete
+ \ YcmToggleLogs call s:ToggleLogs(<f-args>)
+ command! -nargs=* -complete=custom,youcompleteme#SubCommandsComplete
+ \ YcmCompleter call s:CompleterCommand(<f-args>)
+ command! YcmForceCompileAndDiagnostics call s:ForceCompileAndDiagnostics()
+ command! YcmDiags call s:ShowDiagnostics()
+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. This is only available since Vim 7.4.314
+ if s:Pyeval( 'vimsupport.VimVersionAtLeast("7.4.314")' )
+ set shortmess+=c
+ endif
+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
+
+
+" For various functions/use-cases, we want to keep track of whether the buffer
+" has changed since the last time they were invoked. We keep the state of
+" b:changedtick of the last time the specific function was called in
+" b:ycm_changedtick.
+function! s:SetUpYcmChangedTick()
+ let b:ycm_changedtick =
+ \ get( b:, 'ycm_changedtick', {
+ \ 'file_ready_to_parse' : -1,
+ \ } )
+endfunction
+
+
+function! s:OnVimLeave()
+ exec s:python_command "ycm_state.OnVimLeave()"
+endfunction
+
+
+function! s:OnCompleteDone()
+ exec s:python_command "ycm_state.OnCompleteDone()"
+endfunction
+
+
+function! s:OnBufferReadPre(filename)
+ let threshold = g:ycm_disable_for_files_larger_than_kb * 1024
+
+ if threshold > 0 && getfsize( a:filename ) > threshold
+ echohl WarningMsg |
+ \ echomsg "YouCompleteMe is disabled in this buffer; " .
+ \ "the file exceeded the max size (see YCM options)." |
+ \ echohl None
+ let b:ycm_largefile = 1
+ endif
+endfunction
+
+function! s:OnBufferVisit()
+ " We need to do this even when we are not allowed to complete in the current
+ " file because we might be allowed to complete in the future! The canonical
+ " example is creating a new buffer with :enew and then setting a filetype.
+ call s:SetUpYcmChangedTick()
+
+ if !s:AllowedToCompleteInCurrentFile()
+ return
+ endif
+
+ call s:SetUpCompleteopt()
+ call s:SetCompleteFunc()
+
+ if !s:defer_omnifunc
+ call s:SetOmnicompleteFunc()
+ endif
+
+ exec s:python_command "ycm_state.OnBufferVisit()"
+ call s:OnFileReadyToParse()
+endfunction
+
+
+function! s:OnBufferUnload( deleted_buffer_file )
+ if !s:AllowedToCompleteInCurrentFile() || empty( a:deleted_buffer_file )
+ return
+ endif
+
+ exec s:python_command "ycm_state.OnBufferUnload("
+ \ "vim.eval( 'a:deleted_buffer_file' ) )"
+endfunction
+
+
+function! s:OnCursorHold()
+ if !s:AllowedToCompleteInCurrentFile()
+ return
+ endif
+
+ call s:SetUpCompleteopt()
+ call s:OnFileReadyToParse()
+endfunction
+
+
+function! s:OnFileReadyToParse()
+ " We need to call this just in case there is no b:ycm_changetick; this can
+ " happen for special buffers.
+ call s:SetUpYcmChangedTick()
+
+ " Order is important here; we need to extract any information before
+ " reparsing the file again. If we sent the new parse request first, then
+ " the response would always be pending when we called
+ " HandleFileParseRequest.
+ exec s:python_command "ycm_state.HandleFileParseRequest()"
+
+ let buffer_changed = b:changedtick != b:ycm_changedtick.file_ready_to_parse
+ if buffer_changed
+ exec s:python_command "ycm_state.OnFileReadyToParse()"
+ endif
+ let b:ycm_changedtick.file_ready_to_parse = b:changedtick
+endfunction
+
+
+function! s:SetCompleteFunc()
+ let &completefunc = 'youcompleteme#Complete'
+ let &l:completefunc = 'youcompleteme#Complete'
+endfunction
+
+
+function! s:SetOmnicompleteFunc()
+ if s:Pyeval( 'ycm_state.NativeFiletypeCompletionUsable()' )
+ let &omnifunc = 'youcompleteme#OmniComplete'
+ let &l:omnifunc = 'youcompleteme#OmniComplete'
+
+ " If we don't have native filetype support but the omnifunc is set to YCM's
+ " omnifunc because the previous file the user was editing DID have native
+ " support, we remove our omnifunc.
+ elseif &omnifunc == 'youcompleteme#OmniComplete'
+ let &omnifunc = ''
+ let &l:omnifunc = ''
+ endif
+endfunction
+
+function! s:OnCursorMovedInsertMode()
+ if !s:AllowedToCompleteInCurrentFile()
+ return
+ endif
+
+ exec s:python_command "ycm_state.OnCursorMoved()"
+ call s:UpdateCursorMoved()
+
+ " Basically, we need to only trigger the completion menu when the user has
+ " inserted or deleted a character, NOT just when the user moves in insert mode
+ " (with, say, the arrow keys). If we trigger the menu even on pure moves, then
+ " it's impossible to move in insert mode since the up/down arrows start moving
+ " the selected completion in the completion menu. Yeah, people shouldn't be
+ " moving in insert mode at all (that's what normal mode is for) but explain
+ " that to the users who complain...
+ if !s:BufferTextChangedSinceLastMoveInInsertMode()
+ return
+ endif
+
+ call s:IdentifierFinishedOperations()
+ if g:ycm_autoclose_preview_window_after_completion
+ call s:ClosePreviewWindowIfNeeded()
+ endif
+
+ if g:ycm_auto_trigger || s:omnifunc_mode
+ call s:InvokeCompletion()
+ endif
+
+ " We have to make sure we correctly leave omnifunc mode even when the user
+ " inserts something like a "operator[]" candidate string which fails
+ " CurrentIdentifierFinished check.
+ if s:omnifunc_mode && !s:Pyeval( 'base.LastEnteredCharIsIdentifierChar()')
+ let s:omnifunc_mode = 0
+ endif
+endfunction
+
+
+function! s:OnCursorMovedNormalMode()
+ if !s:AllowedToCompleteInCurrentFile()
+ return
+ endif
+
+ call s:OnFileReadyToParse()
+ exec s:python_command "ycm_state.OnCursorMoved()"
+endfunction
+
+
+function! s:OnInsertLeave()
+ if !s:AllowedToCompleteInCurrentFile()
+ return
+ endif
+
+ let s:omnifunc_mode = 0
+ 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:OnInsertEnter()
+ let s:previous_num_chars_on_current_line = strlen( getline('.') )
+
+ if !s:AllowedToCompleteInCurrentFile()
+ return
+ endif
+
+ let s:old_cursor_position = []
+endfunction
+
+
+function! s:UpdateCursorMoved()
+ let current_position = getpos('.')
+ let s:cursor_moved = current_position != s:old_cursor_position
+
+ let s:moved_vertically_in_insert_mode = s:old_cursor_position != [] &&
+ \ current_position[ 1 ] != s:old_cursor_position[ 1 ]
+
+ let s:old_cursor_position = current_position
+endfunction
+
+
+function! s:BufferTextChangedSinceLastMoveInInsertMode()
+ let num_chars_in_current_cursor_line = strlen( getline('.') )
+
+ if s:moved_vertically_in_insert_mode
+ let s:previous_num_chars_on_current_line = num_chars_in_current_cursor_line
+ return 0
+ endif
+
+ let changed_text_on_current_line = num_chars_in_current_cursor_line !=
+ \ s:previous_num_chars_on_current_line
+ let s:previous_num_chars_on_current_line = num_chars_in_current_cursor_line
+
+ return changed_text_on_current_line
+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:omnifunc_mode = 0
+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()
+ if &completefunc != "youcompleteme#Complete"
+ return
+ endif
+
+ if s:InsideCommentOrStringAndShouldStop() || s:OnBlankLine()
+ return
+ endif
+
+ " This is tricky. First, having 'refresh' set to 'always' in the dictionary
+ " that our completion function returns makes sure that our completion function
+ " is called on every keystroke. Second, when the sequence of characters the
+ " user typed produces no results in our search an infinite loop can occur. The
+ " problem is that our feedkeys call triggers the OnCursorMovedI event which we
+ " are tied to. We prevent this infinite loop from starting by making sure that
+ " the user has moved the cursor since the last time we provided completion
+ " results.
+ if !s:cursor_moved
+ return
+ endif
+
+ " <c-x><c-u> invokes the user's completion function (which we have set to
+ " youcompleteme#Complete), 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 feedkeys( "\<C-X>\<C-U>\<C-P>", 'n' )
+endfunction
+
+
+exec s:python_until_eof
+def GetCompletionsInner():
+ request = ycm_state.GetCurrentCompletionRequest()
+ request.Start()
+ while not request.Done():
+ if bool( int( vim.eval( 'complete_check()' ) ) ):
+ return { 'words' : [], 'refresh' : 'always'}
+
+ results = base.AdjustCandidateInsertionText( request.Response() )
+ return { 'words' : results, 'refresh' : 'always' }
+EOF
+
+
+function! s:GetCompletions()
+ exec s:python_command "results = GetCompletionsInner()"
+ let results = s:Pyeval( 'results' )
+ return results
+endfunction
+
+
+" This is our main entry point. This is what vim calls to get completions.
+function! youcompleteme#Complete( findstart, base )
+ " After the user types one character after the call to the omnifunc, the
+ " completefunc will be called because of our mapping that calls the
+ " completefunc on every keystroke. Therefore we need to delegate the call we
+ " 'stole' back to the omnifunc
+ if s:omnifunc_mode
+ return youcompleteme#OmniComplete( a:findstart, a:base )
+ endif
+
+ if a:findstart
+ " InvokeCompletion has this check but we also need it here because of random
+ " Vim bugs and unfortunate interactions with the autocommands of other
+ " plugins
+ if !s:cursor_moved
+ " for vim, -2 means not found but don't trigger an error message
+ " see :h complete-functions
+ return -2
+ endif
+
+ if !s:Pyeval( 'ycm_state.IsServerAlive()' )
+ return -2
+ endif
+ exec s:python_command "ycm_state.CreateCompletionRequest()"
+ return s:Pyeval( 'base.CompletionStartColumn()' )
+ else
+ return s:GetCompletions()
+ endif
+endfunction
+
+
+function! youcompleteme#OmniComplete( findstart, base )
+ if a:findstart
+ if !s:Pyeval( 'ycm_state.IsServerAlive()' )
+ return -2
+ endif
+ let s:omnifunc_mode = 1
+ exec s:python_command "ycm_state.CreateCompletionRequest("
+ \ "force_semantic = True )"
+ return s:Pyeval( 'base.CompletionStartColumn()' )
+ else
+ return s:GetCompletions()
+ endif
+endfunction
+
+
+function! youcompleteme#ServerPid()
+ return s:Pyeval( 'ycm_state.ServerPid()' )
+endfunction
+
+
+function! s:RestartServer()
+ exec s:python_command "ycm_state.RestartServer()"
+endfunction
+
+
+function! s:ShowDetailedDiagnostic()
+ exec s:python_command "ycm_state.ShowDetailedDiagnostic()"
+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(...)
+ let stderr = a:0 == 0 || a:1 !=? 'stdout'
+ let stdout = a:0 == 0 || a:1 !=? 'stderr'
+ exec s:python_command "ycm_state.ToggleLogs("
+ \ "stdout = vimsupport.GetBoolValue( 'l:stdout' ),"
+ \ "stderr = vimsupport.GetBoolValue( 'l:stderr' ) )"
+endfunction
+
+
+function! s:CompleterCommand(...)
+ " CompleterCommand will call the OnUserCommand function of a completer.
+ " If the first arguments is of the form "ft=..." it can be used to specify the
+ " completer to use (for example "ft=cpp"). Else the native filetype completer
+ " of the current buffer is used. If no native filetype completer is found and
+ " no completer was specified this throws an error. You can use
+ " "ft=ycm:ident" to select the identifier completer.
+ " The remaining arguments will be passed to the completer.
+ let arguments = copy(a:000)
+ let completer = ''
+
+ if a:0 > 0 && strpart(a:1, 0, 3) == 'ft='
+ if a:1 == 'ft=ycm:ident'
+ let completer = 'identifier'
+ endif
+ let arguments = arguments[1:]
+ endif
+
+ exec s:python_command "ycm_state.SendCommandRequest("
+ \ "vim.eval( 'l:arguments' ), vim.eval( 'l:completer' ) ) "
+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! youcompleteme#LogsComplete( arglead, cmdline, cursorpos )
+ return "stdout\nstderr"
+endfunction
+
+
+function! youcompleteme#SubCommandsComplete( arglead, cmdline, cursorpos )
+ return join( s:Pyeval( 'ycm_state.GetDefinedSubcommands()' ),
+ \ "\n")
+endfunction
+
+
+function! s:ForceCompile()
+ if !s:Pyeval( 'ycm_state.NativeFiletypeCompletionUsable()' )
+ echom "Native filetype completion not supported for current file, "
+ \ . "cannot force recompilation."
+ return 0
+ endif
+
+ echom "Forcing compilation, this will block Vim until done."
+ exec s:python_command "ycm_state.OnFileReadyToParse()"
+ exec s:python_command "ycm_state.HandleFileParseRequest( True )"
+
+ return 1
+endfunction
+
+
+function! s:ForceCompileAndDiagnostics()
+ let compilation_succeeded = s:ForceCompile()
+ if !compilation_succeeded
+ return
+ endif
+ echom "Diagnostics refreshed."
+endfunction
+
+
+function! s:ShowDiagnostics()
+ let compilation_succeeded = s:ForceCompile()
+ if !compilation_succeeded
+ return
+ endif
+
+ if s:Pyeval( 'ycm_state.PopulateLocationListWithLatestDiagnostics()' )
+ if g:ycm_open_loclist_on_ycm_diags
+ lopen
+ endif
+ else
+ echom "No warnings or errors detected"
+ endif
+endfunction
+
+
+" This is basic vim plugin boilerplate
+let &cpo = s:save_cpo
+unlet s:save_cpo