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ultimate-vim/sources_non_forked/coc.nvim/autoload/coc/highlight.vim

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2022-05-18 13:29:28 -04:00
scriptencoding utf-8
let s:is_vim = !has('nvim')
let s:clear_match_by_window = has('nvim-0.6.0') || has('patch-8.1.1084')
let s:set_extmark = has('nvim') && exists('*nvim_buf_set_extmark')
let s:del_extmark = has('nvim') && exists('*nvim_buf_del_extmark')
let s:prop_offset = get(g:, 'coc_text_prop_offset', 1000)
let s:namespace_map = {}
let s:ns_id = 1
let s:diagnostic_hlgroups = ['CocErrorHighlight', 'CocWarningHighlight', 'CocInfoHighlight', 'CocHintHighlight', 'CocDeprecatedHighlight', 'CocUnusedHighlight']
" Maximum count to highlight each time.
let g:coc_highlight_maximum_count = get(g:, 'coc_highlight_maximum_count', 100)
if has('nvim-0.5.0') && s:clear_match_by_window == 0
try
call getmatches(0)
let s:clear_match_by_window = 1
catch /^Vim\%((\a\+)\)\=:E118/
" ignored
endtry
endif
" Update buffer region by region.
function! coc#highlight#buffer_update(bufnr, key, highlights, ...) abort
if !bufloaded(a:bufnr)
return
endif
if empty(a:highlights)
call coc#highlight#clear_highlight(a:bufnr, a:key, 0, -1)
return
endif
let priority = get(a:, 1, v:null)
let changedtick = getbufvar(a:bufnr, 'changedtick', 0)
if type(get(a:, 2, v:null)) == 0 && changedtick > a:2
return
endif
let hls = map(copy(a:highlights), "{'hlGroup':v:val[0],'lnum':v:val[1],'colStart':v:val[2],'colEnd':v:val[3],'combine':get(v:val,4,1),'start_incl':get(v:val,5,0),'end_incl':get(v:val,6,0)}")
if len(hls) <= g:coc_highlight_maximum_count || get(g:, 'coc_node_env', '') ==# 'test'
call coc#highlight#update_highlights(a:bufnr, a:key, hls, 0, -1, priority)
return
endif
let linecount = coc#compat#buf_line_count(a:bufnr)
let groups = s:group_hls(hls, linecount)
call s:update_highlights_timer(a:bufnr, changedtick, a:key, priority, groups, 0)
endfunction
" Update highlights by check exists highlights.
" 0 based, end exclusive start and end
function! coc#highlight#update_highlights(bufnr, key, highlights, ...) abort
let bufnr = a:bufnr == 0 ? bufnr('%') : a:bufnr
if !bufloaded(bufnr)
return
endif
let start = get(a:, 1, 0)
let end = get(a:, 2, -1)
if end == 0
return
endif
let linecount = coc#compat#buf_line_count(a:bufnr)
if end >= linecount
let end = -1
endif
if empty(a:highlights)
call coc#highlight#clear_highlight(bufnr, a:key, start, end)
return
endif
let priority = get(a:, 3, v:null)
let total = len(a:highlights)
" index list that exists with current highlights
let exists = []
let ns = coc#highlight#create_namespace(a:key)
if has('nvim-0.5.0') || exists('*prop_list')
let endLnum = end < 0 ? linecount - 1 : end - 1
let firstLnum = a:highlights[0]['lnum']
if firstLnum > start
call coc#highlight#clear_highlight(bufnr, a:key, start, firstLnum)
let start = firstLnum
endif
let lastLnum = a:highlights[total - 1]['lnum']
if lastLnum < endLnum
call coc#highlight#clear_highlight(bufnr, a:key, lastLnum + 1, endLnum + 1)
let endLnum = lastLnum
endif
let current = coc#highlight#get_highlights(bufnr, a:key, start, endLnum)
let currIndex = 0
let clearLnums = []
if !empty(current)
for [lnum, items] in s:to_group(current)
let indexes = []
let currIndexes = range(0, len(items) - 1)
"call coc#rpc#notify('Log', ['items:', lnum, items])
while currIndex != total
let hi = a:highlights[currIndex]
if hi['lnum'] == lnum
for idx in currIndexes
let item = items[idx]
if hi['hlGroup'] ==# item[0] && hi['colStart'] == item[2] && hi['colEnd'] == item[3]
call add(indexes, currIndex)
call filter(currIndexes, 'v:val != '.idx)
break
elseif item[2] > hi['colStart']
break
endif
endfor
elseif hi['lnum'] > lnum
break
endif
let currIndex = currIndex + 1
endwhile
if !empty(currIndexes)
if s:del_extmark
for idx in currIndexes
call nvim_buf_del_extmark(bufnr, ns, items[idx][4])
endfor
call extend(exists, indexes)
else
call add(clearLnums, lnum)
endif
else
" all highlights of current line exists, not clear.
call extend(exists, indexes)
endif
endfor
endif
call coc#highlight#clear(bufnr, a:key, clearLnums)
else
call coc#highlight#clear_highlight(bufnr, a:key, start, end)
endif
let indexes = range(0, total - 1)
if !empty(exists)
let indexes = filter(indexes, 'index(exists, v:val) == -1')
endif
for idx in indexes
let hi = a:highlights[idx]
let opts = {}
if type(priority) == 0
let opts['priority'] = s:get_priority(a:key, hi['hlGroup'], priority)
endif
for key in ['combine', 'start_incl', 'end_incl']
if has_key(hi, key)
let opts[key] = hi[key]
endif
endfor
call coc#highlight#add_highlight(bufnr, ns, hi['hlGroup'], hi['lnum'], hi['colStart'], hi['colEnd'], opts)
endfor
endfunction
" 0 based line, start_col and end_col
" 0 based start & end line, end inclusive.
function! coc#highlight#get_highlights(bufnr, key, ...) abort
if !bufloaded(a:bufnr)
return v:null
endif
if !has_key(s:namespace_map, a:key)
return []
endif
let start = get(a:, 1, 0)
let end = get(a:, 2, -1)
let res = []
let ns = s:namespace_map[a:key]
if exists('*prop_list')
" Could filter by end_lnum and ids
if has('patch-8.2.3652')
let endLnum = end == -1 ? -1 : end + 1
for prop in prop_list(start + 1, {'bufnr': a:bufnr, 'ids': [s:prop_offset + ns], 'end_lnum': endLnum})
if prop['start'] == 0 || prop['end'] == 0
" multi line textprop are not supported, simply ignore it
continue
endif
let startCol = prop['col'] - 1
let endCol = startCol + prop['length']
call add(res, [s:prop_type_hlgroup(prop['type']), prop['lnum'] - 1, startCol, endCol])
endfor
else
if end == -1
let end = coc#compat#buf_line_count(a:bufnr)
else
let end = end + 1
endif
let id = s:prop_offset + ns
for line in range(start + 1, end)
for prop in prop_list(line, {'bufnr': a:bufnr})
if prop['id'] != id || prop['start'] == 0 || prop['end'] == 0
" multi line textprop are not supported, simply ignore it
continue
endif
let startCol = prop['col'] - 1
let endCol = startCol + prop['length']
call add(res, [s:prop_type_hlgroup(prop['type']), line - 1, startCol, endCol])
endfor
endfor
endif
elseif has('nvim-0.5.0')
let start = [start, 0]
let maximum = end == -1 ? nvim_buf_line_count(a:bufnr) : end + 1
let end = end == -1 ? -1 : [end + 1, 0]
let markers = nvim_buf_get_extmarks(a:bufnr, ns, start, -1, {'details': v:true})
for [marker_id, line, start_col, details] in markers
if line >= maximum
" Could be markers exceed end of line
continue
endif
let delta = details['end_row'] - line
if delta > 1 || (delta == 1 && details['end_col'] != 0)
" can't handle, single line only
continue
endif
let endCol = details['end_col']
if endCol == start_col
call nvim_buf_del_extmark(a:bufnr, ns, marker_id)
continue
endif
if delta == 1
let text = get(nvim_buf_get_lines(a:bufnr, line, line + 1, 0), 0, '')
let endCol = strlen(text)
endif
call add(res, [details['hl_group'], line, start_col, endCol, marker_id])
endfor
else
throw 'Get highlights requires neovim 0.5.0 or vim support prop_list'
endif
return res
endfunction
" Add multiple highlights to buffer.
" type HighlightItem = [hlGroup, lnum, colStart, colEnd, combine?, start_incl?, end_incl?]
function! coc#highlight#set(bufnr, key, highlights, priority) abort
if !bufloaded(a:bufnr)
return
endif
let ns = coc#highlight#create_namespace(a:key)
if len(a:highlights) > g:coc_highlight_maximum_count
call s:add_highlights_timer(a:bufnr, ns, a:highlights, a:priority)
else
call s:add_highlights(a:bufnr, ns, a:highlights, a:priority)
endif
endfunction
" Clear highlights by 0 based line numbers.
function! coc#highlight#clear(bufnr, key, lnums) abort
if !bufloaded(a:bufnr)
return
endif
let ns = coc#highlight#create_namespace(a:key)
for lnum in a:lnums
if has('nvim')
call nvim_buf_clear_namespace(a:bufnr, ns, lnum, lnum + 1)
else
call coc#api#call('buf_clear_namespace', [a:bufnr, ns, lnum, lnum + 1])
endif
endfor
" clear highlights in invalid line.
if has('nvim')
let linecount = nvim_buf_line_count(a:bufnr)
call nvim_buf_clear_namespace(a:bufnr, ns, linecount, -1)
endif
endfunction
function! coc#highlight#del_markers(bufnr, key, ids) abort
if !bufloaded(a:bufnr)
return
endif
let ns = coc#highlight#create_namespace(a:key)
for id in a:ids
call nvim_buf_del_extmark(a:bufnr, ns, id)
endfor
endfunction
" highlight LSP range,
function! coc#highlight#ranges(bufnr, key, hlGroup, ranges, ...) abort
let bufnr = a:bufnr == 0 ? bufnr('%') : a:bufnr
if !bufloaded(bufnr) || !exists('*getbufline')
return
endif
let opts = get(a:, 1, {})
let synmaxcol = getbufvar(a:bufnr, '&synmaxcol', 1000)
if synmaxcol == 0
let synmaxcol = 1000
endif
let synmaxcol = min([synmaxcol, 1000])
let srcId = coc#highlight#create_namespace(a:key)
for range in a:ranges
let start = range['start']
let end = range['end']
for lnum in range(start['line'] + 1, end['line'] + 1)
let arr = getbufline(bufnr, lnum)
let line = empty(arr) ? '' : arr[0]
if empty(line)
continue
endif
if start['character'] > synmaxcol || end['character'] > synmaxcol
continue
endif
" TODO don't know how to count UTF16 code point, should work most cases.
let colStart = lnum == start['line'] + 1 ? strlen(strcharpart(line, 0, start['character'])) : 0
let colEnd = lnum == end['line'] + 1 ? strlen(strcharpart(line, 0, end['character'])) : strlen(line)
if colStart == colEnd
continue
endif
call coc#highlight#add_highlight(bufnr, srcId, a:hlGroup, lnum - 1, colStart, colEnd, opts)
endfor
endfor
endfunction
function! coc#highlight#add_highlight(bufnr, src_id, hl_group, line, col_start, col_end, ...) abort
let opts = get(a:, 1, {})
let priority = get(opts, 'priority', v:null)
if has('nvim')
if s:set_extmark && a:src_id != -1
" get(opts, 'start_incl', 0) ? v:true : v:false,
try
call nvim_buf_set_extmark(a:bufnr, a:src_id, a:line, a:col_start, {
\ 'end_col': a:col_end,
\ 'hl_group': a:hl_group,
\ 'hl_mode': get(opts, 'combine', 1) ? 'combine' : 'replace',
\ 'right_gravity': v:true,
\ 'end_right_gravity': v:false,
\ 'priority': type(priority) == 0 ? min([priority, 4096]) : 4096,
\ })
catch /^Vim\%((\a\+)\)\=:E5555/
" the end_col could be invalid, ignore this error
endtry
else
call nvim_buf_add_highlight(a:bufnr, a:src_id, a:hl_group, a:line, a:col_start, a:col_end)
endif
else
call coc#api#call('buf_add_highlight', [a:bufnr, a:src_id, a:hl_group, a:line, a:col_start, a:col_end, opts])
endif
endfunction
function! coc#highlight#clear_highlight(bufnr, key, start_line, end_line) abort
let bufnr = a:bufnr == 0 ? bufnr('%') : a:bufnr
if !bufloaded(bufnr)
return
endif
let src_id = coc#highlight#create_namespace(a:key)
if has('nvim')
call nvim_buf_clear_namespace(a:bufnr, src_id, a:start_line, a:end_line)
else
call coc#api#call('buf_clear_namespace', [a:bufnr, src_id, a:start_line, a:end_line])
endif
endfunction
" highlight buffer in winid with CodeBlock &HighlightItems
" export interface HighlightItem {
" lnum: number // 0 based
" hlGroup: string
" colStart: number // 0 based
" colEnd: number
" }
" export interface CodeBlock {
" filetype?: string
" hlGroup?: string
" startLine: number // 0 based
" endLine: number
" }
function! coc#highlight#add_highlights(winid, codes, highlights) abort
" clear highlights
call coc#compat#execute(a:winid, 'syntax clear')
let bufnr = winbufnr(a:winid)
call coc#highlight#clear_highlight(bufnr, -1, 0, -1)
if !empty(a:codes)
call coc#highlight#highlight_lines(a:winid, a:codes)
endif
if !empty(a:highlights)
for item in a:highlights
call coc#highlight#add_highlight(bufnr, -1, item['hlGroup'], item['lnum'], item['colStart'], item['colEnd'])
endfor
endif
endfunction
" Add highlights to line groups of winid, support hlGroup and filetype
" config should have startLine, endLine (0 based, end excluded) and filetype or hlGroup
" endLine should > startLine and endLine is excluded
"
" export interface CodeBlock {
" filetype?: string
" hlGroup?: string
" startLine: number // 0 based
" endLine: number
" }
function! coc#highlight#highlight_lines(winid, blocks) abort
let region_id = 1
let defined = []
let cmds = []
for config in a:blocks
let start = config['startLine'] + 1
let end = config['endLine'] == -1 ? len(getbufline(winbufnr(a:winid), 1, '$')) + 1 : config['endLine'] + 1
let filetype = get(config, 'filetype', '')
let hlGroup = get(config, 'hlGroup', '')
if !empty(hlGroup)
call add(cmds, 'syntax region '.hlGroup.' start=/\%'.start.'l/ end=/\%'.end.'l/')
else
let filetype = matchstr(filetype, '\v^\w+')
if empty(filetype) || filetype == 'txt' || index(get(g:, 'coc_markdown_disabled_languages', []), filetype) != -1
continue
endif
if index(defined, filetype) == -1
call add(cmds, 'syntax include @'.toupper(filetype).' syntax/'.filetype.'.vim')
call add(cmds, 'unlet! b:current_syntax')
call add(defined, filetype)
endif
call add(cmds, 'syntax region CodeBlock'.region_id.' start=/\%'.start.'l/ end=/\%'.end.'l/ contains=@'.toupper(filetype).' keepend')
let region_id = region_id + 1
endif
endfor
if !empty(cmds)
call coc#compat#execute(a:winid, cmds, 'silent!')
endif
endfunction
" Compose hlGroups with foreground and background colors.
function! coc#highlight#compose_hlgroup(fgGroup, bgGroup) abort
let hlGroup = 'Fg'.a:fgGroup.'Bg'.a:bgGroup
if a:fgGroup ==# a:bgGroup
return a:fgGroup
endif
if hlexists(hlGroup)
return hlGroup
endif
let fgId = synIDtrans(hlID(a:fgGroup))
let bgId = synIDtrans(hlID(a:bgGroup))
let isGuiReversed = synIDattr(fgId, 'reverse', 'gui') !=# '1' || synIDattr(bgId, 'reverse', 'gui') !=# '1'
let guifg = isGuiReversed ? synIDattr(fgId, 'fg', 'gui') : synIDattr(fgId, 'bg', 'gui')
let guibg = isGuiReversed ? synIDattr(bgId, 'bg', 'gui') : synIDattr(bgId, 'fg', 'gui')
let isCtermReversed = synIDattr(fgId, 'reverse', 'cterm') !=# '1' || synIDattr(bgId, 'reverse', 'cterm') !=# '1'
let ctermfg = isCtermReversed ? synIDattr(fgId, 'fg', 'cterm') : synIDattr(fgId, 'bg', 'cterm')
let ctermbg = isCtermReversed ? synIDattr(bgId, 'bg', 'cterm') : synIDattr(bgId, 'fg', 'cterm')
let bold = synIDattr(fgId, 'bold') ==# '1'
let italic = synIDattr(fgId, 'italic') ==# '1'
let underline = synIDattr(fgId, 'underline') ==# '1'
let cmd = 'silent hi ' . hlGroup
if !empty(guifg)
let cmd .= ' guifg=' . guifg
endif
if !empty(ctermfg)
let cmd .= ' ctermfg=' . ctermfg
elseif guifg =~# '^#'
let cmd .= ' ctermfg=' . coc#color#rgb2term(strpart(guifg, 1))
endif
if !empty(guibg)
let cmd .= ' guibg=' . guibg
endif
if !empty(ctermbg)
let cmd .= ' ctermbg=' . ctermbg
elseif guibg =~# '^#'
let cmd .= ' ctermbg=' . coc#color#rgb2term(strpart(guibg, 1))
endif
if bold
let cmd .= ' cterm=bold gui=bold'
elseif italic
let cmd .= ' cterm=italic gui=italic'
elseif underline
let cmd .= ' cterm=underline gui=underline'
endif
if cmd ==# 'silent hi ' . hlGroup
return 'Normal'
endif
execute cmd
return hlGroup
endfunction
" add matches for winid, use 0 for current window.
function! coc#highlight#match_ranges(winid, bufnr, ranges, hlGroup, priority) abort
let winid = a:winid == 0 ? win_getid() : a:winid
let bufnr = a:bufnr == 0 ? winbufnr(winid) : a:bufnr
if empty(getwininfo(winid)) || (a:bufnr != 0 && winbufnr(a:winid) != a:bufnr)
" not valid
return []
endif
if !s:clear_match_by_window
let curr = win_getid()
if has('nvim')
noa call nvim_set_current_win(winid)
else
noa call win_gotoid(winid)
endif
endif
let ids = []
for range in a:ranges
let pos = []
let start = range['start']
let end = range['end']
for lnum in range(start['line'] + 1, end['line'] + 1)
let arr = getbufline(bufnr, lnum)
let line = empty(arr) ? '' : arr[0]
if empty(line)
continue
endif
let colStart = lnum == start['line'] + 1 ? strlen(strcharpart(line, 0, start['character'])) + 1 : 1
let colEnd = lnum == end['line'] + 1 ? strlen(strcharpart(line, 0, end['character'])) + 1 : strlen(line) + 1
if colStart == colEnd
continue
endif
call add(pos, [lnum, colStart, colEnd - colStart])
endfor
if !empty(pos)
let opts = s:clear_match_by_window ? {'window': a:winid} : {}
let i = 1
let l = []
for p in pos
call add(l, p)
if i % 8 == 0
let id = matchaddpos(a:hlGroup, l, a:priority, -1, opts)
call add(ids, id)
let l = []
endif
let i += 1
endfor
if !empty(l)
let id = matchaddpos(a:hlGroup, l, a:priority, -1, opts)
call add(ids, id)
endif
endif
endfor
if !s:clear_match_by_window
if has('nvim')
noa call nvim_set_current_win(curr)
else
noa call win_gotoid(curr)
endif
endif
return ids
endfunction
" Clear matches by hlGroup regexp.
function! coc#highlight#clear_match_group(winid, match) abort
let winid = a:winid == 0 ? win_getid() : a:winid
if empty(getwininfo(winid))
" not valid
return
endif
if s:clear_match_by_window
let arr = filter(getmatches(winid), 'v:val["group"] =~# "'.a:match.'"')
for item in arr
call matchdelete(item['id'], winid)
endfor
else
let curr = win_getid()
let switch = exists('*nvim_set_current_win') && curr != winid
if switch
noa call nvim_set_current_win(a:winid)
endif
if win_getid() == winid
let arr = filter(getmatches(), 'v:val["group"] =~# "'.a:match.'"')
for item in arr
call matchdelete(item['id'])
endfor
endif
if switch
noa call nvim_set_current_win(curr)
endif
endif
endfunction
" Clear matches by match ids, use 0 for current win.
function! coc#highlight#clear_matches(winid, ids)
let winid = a:winid == 0 ? win_getid() : a:winid
if empty(getwininfo(winid))
" not valid
return
endif
if s:clear_match_by_window
for id in a:ids
try
call matchdelete(id, winid)
catch /^Vim\%((\a\+)\)\=:E803/
" ignore
endtry
endfor
else
let curr = win_getid()
let switch = exists('*nvim_set_current_win') && curr != winid
if switch
noa call nvim_set_current_win(a:winid)
endif
if win_getid() == winid
for id in a:ids
try
call matchdelete(id)
catch /^Vim\%((\a\+)\)\=:E803/
" ignore
endtry
endfor
endif
if switch
noa call nvim_set_current_win(curr)
endif
endif
endfunction
function! coc#highlight#clear_all() abort
for src_id in values(s:namespace_map)
for bufnr in map(getbufinfo({'bufloaded': 1}), 'v:val["bufnr"]')
if has('nvim')
call nvim_buf_clear_namespace(bufnr, src_id, 0, -1)
else
call coc#api#call('buf_clear_namespace', [bufnr, src_id, 0, -1])
endif
endfor
endfor
endfunction
function! coc#highlight#create_namespace(key) abort
if type(a:key) == 0
return a:key
endif
if has_key(s:namespace_map, a:key)
return s:namespace_map[a:key]
endif
if has('nvim')
let s:namespace_map[a:key] = nvim_create_namespace('coc-'.a:key)
else
let s:namespace_map[a:key] = s:ns_id
let s:ns_id = s:ns_id + 1
endif
return s:namespace_map[a:key]
endfunction
function! coc#highlight#get_syntax_name(lnum, col)
return synIDattr(synIDtrans(synID(a:lnum,a:col,1)),"name")
endfunction
function! s:prop_type_hlgroup(type) abort
if strpart(a:type, 0, 12) ==# 'CocHighlight'
return strpart(a:type, 12)
endif
return get(prop_type_get(a:type), 'highlight', '')
endfunction
function! s:update_highlights_timer(bufnr, changedtick, key, priority, groups, idx) abort
if getbufvar(a:bufnr, 'changedtick', 0) != a:changedtick
return
endif
let group = get(a:groups, a:idx, v:null)
if empty(group)
return
endif
if empty(group['highlights'])
call coc#highlight#clear_highlight(a:bufnr, a:key, group['start'], group['end'])
else
call coc#highlight#update_highlights(a:bufnr, a:key, group['highlights'], group['start'], group['end'], a:priority)
endif
if a:idx < len(a:groups) - 1
call timer_start(50, { -> s:update_highlights_timer(a:bufnr, a:changedtick, a:key, a:priority, a:groups, a:idx + 1)})
endif
endfunction
function! s:add_highlights_timer(bufnr, ns, highlights, priority) abort
let hls = []
let next = []
for i in range(0, len(a:highlights) - 1)
if i < g:coc_highlight_maximum_count
call add(hls, a:highlights[i])
else
call add(next, a:highlights[i])
endif
endfor
call s:add_highlights(a:bufnr, a:ns, hls, a:priority)
if len(next)
call timer_start(30, {->s:add_highlights_timer(a:bufnr, a:ns, next, a:priority)})
endif
endfunction
function! s:add_highlights(bufnr, ns, highlights, priority) abort
for item in a:highlights
let opts = {
\ 'priority': a:priority,
\ 'combine': get(item, 4, 1) ? 1 : 0,
\ 'start_incl': get(item, 5, 0) ? 1 : 0,
\ 'end_incl': get(item, 6, 0) ? 1 : 0,
\ }
call coc#highlight#add_highlight(a:bufnr, a:ns, item[0], item[1], item[2], item[3], opts)
endfor
endfunction
function! s:to_group(items) abort
let res = []
let before = v:null
for item in a:items
if empty(before) || before[0] != item[1]
let before = [item[1], [item]]
call add(res, before)
else
call add(before[1], item)
endif
endfor
return res
endfunction
function! s:get_priority(key, hlGroup, priority) abort
if a:hlGroup ==# 'Search'
return 999
endif
if strpart(a:key, 0, 10) !=# 'diagnostic'
return a:priority
endif
return a:priority - index(s:diagnostic_hlgroups, a:hlGroup)
endfunction
function! s:group_hls(hls, linecount) abort
" start, end, highlights
let groups = []
if empty(a:hls)
call add(groups, {'start': 0, 'end': a:linecount, 'highlights': []})
return groups
endif
let start = 0
let highlights = []
let lastLnum = -1
for item in a:hls
let lnum = item['lnum']
if lnum >= a:linecount
break
endif
if len(highlights) < g:coc_highlight_maximum_count || lnum == lastLnum
call add(highlights, item)
let lastLnum = lnum
else
call add(groups, {'start': start, 'end': lastLnum + 1, 'highlights': highlights})
let highlights = []
let start = lastLnum + 1
call add(highlights, item)
let lastLnum = lnum
endif
endfor
call add(groups, {'start': start, 'end': a:linecount, 'highlights': highlights})
return groups
endfunction