349 lines
11 KiB
VimL
349 lines
11 KiB
VimL
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"=============================================================================
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" FILE: complete.vim
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" AUTHOR: Shougo Matsushita <Shougo.Matsu@gmail.com>
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" License: MIT license {{{
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" Permission is hereby granted, free of charge, to any person obtaining
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" a copy of this software and associated documentation files (the
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" "Software"), to deal in the Software without restriction, including
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" without limitation the rights to use, copy, modify, merge, publish,
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" distribute, sublicense, and/or sell copies of the Software, and to
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" permit persons to whom the Software is furnished to do so, subject to
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" the following conditions:
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"
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" The above copyright notice and this permission notice shall be included
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" in all copies or substantial portions of the Software.
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"
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" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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" IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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" CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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" TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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" SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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" }}}
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"=============================================================================
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let s:save_cpo = &cpo
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set cpo&vim
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function! neocomplete#complete#_get_results(cur_text, ...) abort "{{{
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call neocomplete#print_debug('start get_complete_sources')
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let neocomplete = neocomplete#get_current_neocomplete()
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let neocomplete.start_time = reltime()
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" Comment check.
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let neocomplete.within_comment =
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\ neocomplete#helper#get_syn_name(1) ==# 'Comment'
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let complete_sources = call(
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\ 'neocomplete#complete#_set_results_pos', [a:cur_text] + a:000)
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if empty(complete_sources)
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call neocomplete#print_debug('Skipped.')
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return []
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endif
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if neocomplete#is_auto_complete()
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let complete_pos =
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\ neocomplete#complete#_get_complete_pos(complete_sources)
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call neocomplete#complete#_set_previous_position(a:cur_text, complete_pos)
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endif
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call neocomplete#complete#_set_results_words(complete_sources)
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return filter(copy(complete_sources),
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\ '!empty(v:val.neocomplete__context.candidates)')
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endfunction"}}}
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function! neocomplete#complete#_get_complete_pos(sources) abort "{{{
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if empty(a:sources)
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return -1
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endif
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return min([col('.')] + map(copy(a:sources),
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\ 'v:val.neocomplete__context.complete_pos'))
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endfunction"}}}
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function! neocomplete#complete#_get_words(sources, complete_pos, complete_str) abort "{{{
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let frequencies = neocomplete#variables#get_frequencies()
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if exists('*neocomplete#sources#buffer#get_frequencies')
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let frequencies = extend(copy(
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\ neocomplete#sources#buffer#get_frequencies()),
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\ frequencies)
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endif
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" Append prefix.
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let candidates = []
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let len_words = 0
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for source in sort(filter(deepcopy(a:sources),
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\ '!empty(v:val.neocomplete__context.candidates)'),
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\ 's:compare_source_rank')
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let context = source.neocomplete__context
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let words = type(context.candidates[0]) == type('') ?
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\ map(copy(context.candidates), "{'word': v:val}") :
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\ deepcopy(context.candidates)
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let context.candidates = words
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call neocomplete#helper#call_hook(
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\ source, 'on_post_filter', {})
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if context.complete_pos > a:complete_pos
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let prefix = a:complete_str[: context.complete_pos
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\ - a:complete_pos - 1]
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" Fix complete position.
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let context.complete_pos = a:complete_pos
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let context.complete_str = prefix
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for candidate in words
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let candidate.word = prefix . candidate.word
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endfor
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endif
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lua << EOF
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do
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local frequencies = vim.eval('frequencies')
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local candidates = vim.eval('words')
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for i = 0, #candidates-1 do
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if frequencies[candidates[i].word] ~= nil then
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candidates[i].rank = frequencies[candidates[i].word]
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end
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end
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end
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EOF
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let words = neocomplete#helper#call_filters(
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\ source.neocomplete__sorters, source, {})
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if empty(words)
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continue
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endif
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if source.max_candidates > 0
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let words = words[: len(source.max_candidates)-1]
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endif
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let words = neocomplete#helper#call_filters(
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\ source.neocomplete__converters, source, {})
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if empty(words)
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continue
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endif
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" Set default menu.
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if get(words[0], 'menu', '') !~ '^\[.*\'
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call s:set_default_menu(words, source)
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endif
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let candidates += words
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let len_words += len(words)
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if g:neocomplete#max_list > 0
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\ && len_words > g:neocomplete#max_list
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break
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endif
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if neocomplete#complete_check()
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return []
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endif
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endfor
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call filter(candidates, 'v:val.word !=# a:complete_str')
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if g:neocomplete#max_list > 0
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let candidates = candidates[: g:neocomplete#max_list]
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endif
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" Check dup and set icase.
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let icase = g:neocomplete#enable_ignore_case &&
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\ !((g:neocomplete#enable_smart_case
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\ || g:neocomplete#enable_camel_case) && a:complete_str =~ '\u')
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if icase
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for candidate in candidates
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let candidate.icase = 1
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endfor
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endif
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if neocomplete#complete_check()
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return []
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endif
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return candidates
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endfunction"}}}
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function! neocomplete#complete#_set_results_pos(cur_text, ...) abort "{{{
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" Initialize sources.
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let neocomplete = neocomplete#get_current_neocomplete()
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let filetype = neocomplete#get_context_filetype()
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let sources = (a:0 > 0) ? a:1 :
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\ (filetype ==# neocomplete.sources_filetype) ?
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\ neocomplete.sources : neocomplete#helper#get_sources_list()
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let pos = winsaveview()
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" Try source completion. "{{{
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let complete_sources = []
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for source in filter(values(sources),
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\ 'neocomplete#helper#is_enabled_source(v:val, filetype)')
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if !source.loaded
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call neocomplete#helper#call_hook(source, 'on_init', {})
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let source.loaded = 1
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endif
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let context = source.neocomplete__context
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let context.input = a:cur_text
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let context.filetype = filetype
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let context.filetypes = neocomplete#context_filetype#filetypes()
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try
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let complete_pos = s:use_previous_result(source, context) ?
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\ context.prev_complete_pos :
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\ has_key(source, 'get_complete_position') ?
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\ source.get_complete_position(context) :
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\ neocomplete#helper#match_word(context.input,
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\ neocomplete#get_keyword_pattern_end(filetype, source.name))[0]
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catch
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call neocomplete#print_error(v:throwpoint)
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call neocomplete#print_error(v:exception)
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call neocomplete#print_error(
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\ 'Error occurred in source''s get_complete_position()!')
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call neocomplete#print_error(
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\ 'Source name is ' . source.name)
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return complete_sources
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finally
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if winsaveview() != pos
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call winrestview(pos)
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endif
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endtry
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if complete_pos < 0
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let context.complete_pos = -1
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let context.complete_str = ''
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continue
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endif
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let complete_str = context.input[complete_pos :]
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if neocomplete#is_auto_complete() &&
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\ (source.input_pattern == '' ||
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\ context.input !~# '\%(' . source.input_pattern.'\m\)$') &&
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\ len(complete_str) < source.min_pattern_length
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" Skip.
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let context.complete_pos = -1
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let context.complete_str = ''
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continue
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endif
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let context.complete_pos = complete_pos
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let context.complete_str = complete_str
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call add(complete_sources, source)
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endfor
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"}}}
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return complete_sources
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endfunction"}}}
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function! neocomplete#complete#_set_results_words(sources) abort "{{{
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" Try source completion.
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" Save options.
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let ignorecase_save = &ignorecase
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let pos = winsaveview()
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try
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for source in a:sources
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if neocomplete#complete_check()
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return
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endif
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let context = source.neocomplete__context
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let &ignorecase = (g:neocomplete#enable_smart_case
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\ || g:neocomplete#enable_camel_case) ?
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\ context.complete_str !~ '\u'
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\ : g:neocomplete#enable_ignore_case
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if s:use_previous_result(source, context)
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" Use previous candidates.
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let context.candidates = deepcopy(context.prev_candidates)
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else
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try
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let context.candidates = source.gather_candidates(context)
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catch
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call neocomplete#print_error(v:throwpoint)
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call neocomplete#print_error(v:exception)
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call neocomplete#print_error(
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\ 'Source name is ' . source.name)
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call neocomplete#print_error(
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\ 'Error occurred in source''s gather_candidates()!')
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return
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finally
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if winsaveview() != pos
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call winrestview(pos)
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endif
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endtry
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let context.prev_line = context.input
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let context.prev_candidates = copy(context.candidates)
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let context.prev_complete_pos = context.complete_pos
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endif
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if !empty(context.candidates)
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let matchers = empty(source.neocomplete__matchers) ?
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\ neocomplete#get_current_neocomplete().default_matchers
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\ : source.neocomplete__matchers
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let context.candidates = neocomplete#helper#call_filters(
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\ matchers, source, {})
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endif
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call neocomplete#print_debug(source.name)
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endfor
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finally
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let &ignorecase = ignorecase_save
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endtry
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endfunction"}}}
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function! neocomplete#complete#_check_previous_position(cur_text, complete_pos) abort "{{{
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let neocomplete = neocomplete#get_current_neocomplete()
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return a:complete_pos == neocomplete.old_complete_pos
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\ && line('.') == neocomplete.old_linenr
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\ && a:cur_text ==# neocomplete.old_cur_text
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endfunction"}}}
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function! neocomplete#complete#_set_previous_position(cur_text, complete_pos) abort "{{{
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let neocomplete = neocomplete#get_current_neocomplete()
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let neocomplete.old_complete_pos = a:complete_pos
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let neocomplete.old_linenr = line('.')
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let neocomplete.old_cur_text = a:cur_text
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endfunction"}}}
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" Source rank order. "{{{
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function! s:compare_source_rank(i1, i2) abort
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return a:i2.rank - a:i1.rank
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endfunction"}}}
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function! s:set_default_menu(words, source) abort "{{{
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lua << EOF
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do
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local candidates = vim.eval('a:words')
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local mark = vim.eval('a:source.mark') .. ' '
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for i = 0, #candidates-1 do
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candidates[i].menu = mark .. (candidates[i].menu ~= nil and
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candidates[i].menu or '')
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end
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end
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EOF
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endfunction"}}}
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function! s:use_previous_result(source, context) abort "{{{
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let neocomplete = neocomplete#get_current_neocomplete()
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return !a:source.is_volatile
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\ && substitute(a:context.input, '\k\+$', '', '')
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\ ==# substitute(a:context.prev_line, '\k\+$', '', '')
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\ && stridx(a:context.input, a:context.prev_line) == 0
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\ && !empty(a:context.prev_candidates)
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\ && line('.') == neocomplete.old_linenr
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endfunction"}}}
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let &cpo = s:save_cpo
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unlet s:save_cpo
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" vim: foldmethod=marker
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