| Current Path : /proc/2/cwd/usr/share/vim/vim74/autoload/ |
| Current File : //proc/2/cwd/usr/share/vim/vim74/autoload/syntaxcomplete.vim |
" Vim completion script
" Language: All languages, uses existing syntax highlighting rules
" Maintainer: David Fishburn <dfishburn dot vim at gmail dot com>
" Version: 13.0
" Last Change: 2013 May 14
" Usage: For detailed help, ":help ft-syntax-omni"
" History
"
" Version 13.0
" - Extended the option omni_syntax_group_include_{filetype}
" to accept a comma separated list of regex's rather than
" string. For example, for the javascript filetype you could
" use:
" let g:omni_syntax_group_include_javascript = 'javascript\w\+,jquery\w\+'
" - Some syntax files (perl.vim) use the match // syntax as a mechanism
" to identify keywords. This update attempts to parse the
" match syntax and pull out syntax items which are at least
" 3 words or more.
"
" Version 12.0
" - It is possible to have '-' as part of iskeyword, when
" checking for character ranges, tighten up the regex.
" E688: More targets than List items.
"
" Version 11.0
" - Corrected which characters required escaping during
" substitution calls.
"
" Version 10.0
" - Cycle through all the character ranges specified in the
" iskeyword option and build a list of valid word separators.
" Prior to this change, only actual characters were used,
" where for example ASCII "45" == "-". If "45" were used
" in iskeyword the hyphen would not be picked up.
" This introduces a new option, since the character ranges
" specified could be multibyte:
" let g:omni_syntax_use_single_byte = 1
" - This by default will only allow single byte ASCII
" characters to be added and an additional check to ensure
" the charater is printable (see documentation for isprint).
"
" Version 9.0
" - Add the check for cpo.
"
" Version 8.0
" - Updated SyntaxCSyntaxGroupItems()
" - Some additional syntax items were also allowed
" on nextgroup= lines which were ignored by default.
" Now these lines are processed independently.
"
" Version 7.0
" - Updated syntaxcomplete#OmniSyntaxList()
" - Looking up the syntax groups defined from a syntax file
" looked for only 1 format of {filetype}GroupName, but some
" syntax writers use this format as well:
" {b:current_syntax}GroupName
" - OmniSyntaxList() will now check for both if the first
" method does not find a match.
"
" Version 6.0
" - Added syntaxcomplete#OmniSyntaxList()
" - Allows other plugins to use this for their own
" purposes.
" - It will return a List of all syntax items for the
" syntax group name passed in.
" - XPTemplate for SQL will use this function via the
" sqlcomplete plugin to populate a Choose box.
"
" Version 5.0
" - Updated SyntaxCSyntaxGroupItems()
" - When processing a list of syntax groups, the final group
" was missed in function SyntaxCSyntaxGroupItems.
"
" Set completion with CTRL-X CTRL-O to autoloaded function.
" This check is in place in case this script is
" sourced directly instead of using the autoload feature.
if exists('+omnifunc')
" Do not set the option if already set since this
" results in an E117 warning.
if &omnifunc == ""
setlocal omnifunc=syntaxcomplete#Complete
endif
endif
if exists('g:loaded_syntax_completion')
finish
endif
let g:loaded_syntax_completion = 130
" Turn on support for line continuations when creating the script
let s:cpo_save = &cpo
set cpo&vim
" Set ignorecase to the ftplugin standard
" This is the default setting, but if you define a buffer local
" variable you can override this on a per filetype.
if !exists('g:omni_syntax_ignorecase')
let g:omni_syntax_ignorecase = &ignorecase
endif
" Indicates whether we should use the iskeyword option to determine
" how to split words.
" This is the default setting, but if you define a buffer local
" variable you can override this on a per filetype.
if !exists('g:omni_syntax_use_iskeyword')
let g:omni_syntax_use_iskeyword = 1
endif
" When using iskeyword, this setting controls whether the characters
" should be limited to single byte characters.
if !exists('g:omni_syntax_use_single_byte')
let g:omni_syntax_use_single_byte = 1
endif
" When using iskeyword, this setting controls whether the characters
" should be limited to single byte characters.
if !exists('g:omni_syntax_use_iskeyword_numeric')
let g:omni_syntax_use_iskeyword_numeric = 1
endif
" Only display items in the completion window that are at least
" this many characters in length.
" This is the default setting, but if you define a buffer local
" variable you can override this on a per filetype.
if !exists('g:omni_syntax_minimum_length')
let g:omni_syntax_minimum_length = 0
endif
" This script will build a completion list based on the syntax
" elements defined by the files in $VIMRUNTIME/syntax.
" let s:syn_remove_words = 'match,matchgroup=,contains,'.
let s:syn_remove_words = 'matchgroup=,contains,'.
\ 'links to,start=,end='
" \ 'links to,start=,end=,nextgroup='
let s:cache_name = []
let s:cache_list = []
let s:prepended = ''
" This function is used for the 'omnifunc' option.
function! syntaxcomplete#Complete(findstart, base)
" Only display items in the completion window that are at least
" this many characters in length
if !exists('b:omni_syntax_ignorecase')
if exists('g:omni_syntax_ignorecase')
let b:omni_syntax_ignorecase = g:omni_syntax_ignorecase
else
let b:omni_syntax_ignorecase = &ignorecase
endif
endif
if a:findstart
" Locate the start of the item, including "."
let line = getline('.')
let start = col('.') - 1
let lastword = -1
while start > 0
" if line[start - 1] =~ '\S'
" let start -= 1
" elseif line[start - 1] =~ '\.'
if line[start - 1] =~ '\k'
let start -= 1
let lastword = a:findstart
else
break
endif
endwhile
" Return the column of the last word, which is going to be changed.
" Remember the text that comes before it in s:prepended.
if lastword == -1
let s:prepended = ''
return start
endif
let s:prepended = strpart(line, start, (col('.') - 1) - start)
return start
endif
" let base = s:prepended . a:base
let base = s:prepended
let filetype = substitute(&filetype, '\.', '_', 'g')
let list_idx = index(s:cache_name, filetype, 0, &ignorecase)
if list_idx > -1
let compl_list = s:cache_list[list_idx]
else
let compl_list = OmniSyntaxList()
let s:cache_name = add( s:cache_name, filetype )
let s:cache_list = add( s:cache_list, compl_list )
endif
" Return list of matches.
if base != ''
" let compstr = join(compl_list, ' ')
" let expr = (b:omni_syntax_ignorecase==0?'\C':'').'\<\%('.base.'\)\@!\w\+\s*'
" let compstr = substitute(compstr, expr, '', 'g')
" let compl_list = split(compstr, '\s\+')
" Filter the list based on the first few characters the user
" entered
let expr = 'v:val '.(g:omni_syntax_ignorecase==1?'=~?':'=~#')." '^".escape(base, '\\/.*$^~[]').".*'"
let compl_list = filter(deepcopy(compl_list), expr)
endif
return compl_list
endfunc
function! syntaxcomplete#OmniSyntaxList(...)
if a:0 > 0
let parms = []
if 3 == type(a:1)
let parms = a:1
elseif 1 == type(a:1)
let parms = split(a:1, ',')
endif
return OmniSyntaxList( parms )
else
return OmniSyntaxList()
endif
endfunc
function! OmniSyntaxList(...)
let list_parms = []
if a:0 > 0
if 3 == type(a:1)
let list_parms = a:1
elseif 1 == type(a:1)
let list_parms = split(a:1, ',')
endif
endif
" Default to returning a dictionary, if use_dictionary is set to 0
" a list will be returned.
" let use_dictionary = 1
" if a:0 > 0 && a:1 != ''
" let use_dictionary = a:1
" endif
" Only display items in the completion window that are at least
" this many characters in length
if !exists('b:omni_syntax_use_iskeyword')
if exists('g:omni_syntax_use_iskeyword')
let b:omni_syntax_use_iskeyword = g:omni_syntax_use_iskeyword
else
let b:omni_syntax_use_iskeyword = 1
endif
endif
" Only display items in the completion window that are at least
" this many characters in length
if !exists('b:omni_syntax_minimum_length')
if exists('g:omni_syntax_minimum_length')
let b:omni_syntax_minimum_length = g:omni_syntax_minimum_length
else
let b:omni_syntax_minimum_length = 0
endif
endif
let saveL = @l
let filetype = substitute(&filetype, '\.', '_', 'g')
if empty(list_parms)
" Default the include group to include the requested syntax group
let syntax_group_include_{filetype} = ''
" Check if there are any overrides specified for this filetype
if exists('g:omni_syntax_group_include_'.filetype)
let syntax_group_include_{filetype} =
\ substitute( g:omni_syntax_group_include_{filetype},'\s\+','','g')
let list_parms = split(g:omni_syntax_group_include_{filetype}, ',')
if syntax_group_include_{filetype} =~ '\w'
let syntax_group_include_{filetype} =
\ substitute( syntax_group_include_{filetype},
\ '\s*,\s*', '\\|', 'g'
\ )
endif
endif
else
" A specific list was provided, use it
endif
" Loop through all the syntax groupnames, and build a
" syntax file which contains these names. This can
" work generically for any filetype that does not already
" have a plugin defined.
" This ASSUMES the syntax groupname BEGINS with the name
" of the filetype. From my casual viewing of the vim7\syntax
" directory this is true for almost all syntax definitions.
" As an example, the SQL syntax groups have this pattern:
" sqlType
" sqlOperators
" sqlKeyword ...
if !empty(list_parms) && empty(substitute(join(list_parms), '[a-zA-Z ]', '', 'g'))
" If list_parms only includes word characters, use it to limit
" the syntax elements.
" If using regex syntax list will fail to find those items, so
" simply grab the who syntax list.
redir @l
silent! exec 'syntax list '.join(list_parms)
redir END
else
redir @l
silent! exec 'syntax list'
redir END
endif
let syntax_full = "\n".@l
let @l = saveL
if syntax_full =~ 'E28'
\ || syntax_full =~ 'E411'
\ || syntax_full =~ 'E415'
\ || syntax_full =~ 'No Syntax items'
return []
endif
let filetype = substitute(&filetype, '\.', '_', 'g')
let list_exclude_groups = []
if a:0 > 0
" Do nothing since we have specific a specific list of groups
else
" Default the exclude group to nothing
let syntax_group_exclude_{filetype} = ''
" Check if there are any overrides specified for this filetype
if exists('g:omni_syntax_group_exclude_'.filetype)
let syntax_group_exclude_{filetype} =
\ substitute( g:omni_syntax_group_exclude_{filetype},'\s\+','','g')
let list_exclude_groups = split(g:omni_syntax_group_exclude_{filetype}, ',')
if syntax_group_exclude_{filetype} =~ '\w'
let syntax_group_exclude_{filetype} =
\ substitute( syntax_group_exclude_{filetype},
\ '\s*,\s*', '\\|', 'g'
\ )
endif
endif
endif
if empty(list_parms)
let list_parms = [&filetype.'\w\+']
endif
let syn_list = ''
let index = 0
for group_regex in list_parms
" Sometimes filetypes can be composite names, like c.doxygen
" Loop through each individual part looking for the syntax
" items specific to each individual filetype.
" let ftindex = 0
" let ftindex = match(syntax_full, group_regex, ftindex)
" while ftindex > -1
" let ft_part_name = matchstr( syntax_full, '\w\+', ftindex )
" Syntax rules can contain items for more than just the current
" filetype. They can contain additional items added by the user
" via autocmds or their vimrc.
" Some syntax files can be combined (html, php, jsp).
" We want only items that begin with the filetype we are interested in.
let next_group_regex = '\n' .
\ '\zs'.group_regex.'\ze'.
\ '\s\+xxx\s\+'
let index = match(syntax_full, next_group_regex, index)
" For the matched group name, strip off any of the regex special
" characters and see if we get a match with the current syntax
if index == -1 && exists('b:current_syntax') && substitute(group_regex, '[^a-zA-Z ]\+.*', '', 'g') !~ '^'.b:current_syntax
" There appears to be two standards when writing syntax files.
" Either items begin as:
" syn keyword {filetype}Keyword values ...
" let b:current_syntax = "sql"
" let b:current_syntax = "sqlanywhere"
" Or
" syn keyword {syntax_filename}Keyword values ...
" let b:current_syntax = "mysql"
" So, we will make the format of finding the syntax group names
" a bit more flexible and look for both if the first fails to
" find a match.
let next_group_regex = '\n' .
\ '\zs'.b:current_syntax.'\w\+\ze'.
\ '\s\+xxx\s\+'
let index = 0
let index = match(syntax_full, next_group_regex, index)
endif
while index > -1
let group_name = matchstr( syntax_full, '\w\+', index )
let get_syn_list = 1
for exclude_group_name in list_exclude_groups
if '\<'.exclude_group_name.'\>' =~ '\<'.group_name.'\>'
let get_syn_list = 0
endif
endfor
" This code is no longer needed in version 6.0 since we have
" augmented the syntax list command to only retrieve the syntax
" groups we are interested in.
"
" if get_syn_list == 1
" if syntax_group_include_{filetype} != ''
" if '\<'.syntax_group_include_{filetype}.'\>' !~ '\<'.group_name.'\>'
" let get_syn_list = 0
" endif
" endif
" endif
if get_syn_list == 1
" Pass in the full syntax listing, plus the group name we
" are interested in.
let extra_syn_list = s:SyntaxCSyntaxGroupItems(group_name, syntax_full)
let syn_list = syn_list . extra_syn_list . "\n"
endif
let index = index + strlen(group_name)
let index = match(syntax_full, next_group_regex, index)
endwhile
" let ftindex = ftindex + len(ft_part_name)
" let ftindex = match( syntax_full, group_regex, ftindex )
" endwhile
endfor
" " Sometimes filetypes can be composite names, like c.doxygen
" " Loop through each individual part looking for the syntax
" " items specific to each individual filetype.
" let syn_list = ''
" let ftindex = 0
" let ftindex = match(&filetype, '\w\+', ftindex)
" while ftindex > -1
" let ft_part_name = matchstr( &filetype, '\w\+', ftindex )
" " Syntax rules can contain items for more than just the current
" " filetype. They can contain additional items added by the user
" " via autocmds or their vimrc.
" " Some syntax files can be combined (html, php, jsp).
" " We want only items that begin with the filetype we are interested in.
" let next_group_regex = '\n' .
" \ '\zs'.ft_part_name.'\w\+\ze'.
" \ '\s\+xxx\s\+'
" let index = 0
" let index = match(syntax_full, next_group_regex, index)
" if index == -1 && exists('b:current_syntax') && ft_part_name != b:current_syntax
" " There appears to be two standards when writing syntax files.
" " Either items begin as:
" " syn keyword {filetype}Keyword values ...
" " let b:current_syntax = "sql"
" " let b:current_syntax = "sqlanywhere"
" " Or
" " syn keyword {syntax_filename}Keyword values ...
" " let b:current_syntax = "mysql"
" " So, we will make the format of finding the syntax group names
" " a bit more flexible and look for both if the first fails to
" " find a match.
" let next_group_regex = '\n' .
" \ '\zs'.b:current_syntax.'\w\+\ze'.
" \ '\s\+xxx\s\+'
" let index = 0
" let index = match(syntax_full, next_group_regex, index)
" endif
" while index > -1
" let group_name = matchstr( syntax_full, '\w\+', index )
" let get_syn_list = 1
" for exclude_group_name in list_exclude_groups
" if '\<'.exclude_group_name.'\>' =~ '\<'.group_name.'\>'
" let get_syn_list = 0
" endif
" endfor
" " This code is no longer needed in version 6.0 since we have
" " augmented the syntax list command to only retrieve the syntax
" " groups we are interested in.
" "
" " if get_syn_list == 1
" " if syntax_group_include_{filetype} != ''
" " if '\<'.syntax_group_include_{filetype}.'\>' !~ '\<'.group_name.'\>'
" " let get_syn_list = 0
" " endif
" " endif
" " endif
" if get_syn_list == 1
" " Pass in the full syntax listing, plus the group name we
" " are interested in.
" let extra_syn_list = s:SyntaxCSyntaxGroupItems(group_name, syntax_full)
" let syn_list = syn_list . extra_syn_list . "\n"
" endif
" let index = index + strlen(group_name)
" let index = match(syntax_full, next_group_regex, index)
" endwhile
" let ftindex = ftindex + len(ft_part_name)
" let ftindex = match( &filetype, '\w\+', ftindex )
" endwhile
" Convert the string to a List and sort it.
let compl_list = sort(split(syn_list))
if &filetype == 'vim'
let short_compl_list = []
for i in range(len(compl_list))
if i == len(compl_list)-1
let next = i
else
let next = i + 1
endif
if compl_list[next] !~ '^'.compl_list[i].'.$'
let short_compl_list += [compl_list[i]]
endif
endfor
return short_compl_list
else
return compl_list
endif
endfunction
function! s:SyntaxCSyntaxGroupItems( group_name, syntax_full )
let syn_list = ""
" From the full syntax listing, strip out the portion for the
" request group.
" Query:
" \n - must begin with a newline
" a:group_name - the group name we are interested in
" \s\+xxx\s\+ - group names are always followed by xxx
" \zs - start the match
" .\{-} - everything ...
" \ze - end the match
" \( - start a group or 2 potential matches
" \n\w - at the first newline starting with a character
" \| - 2nd potential match
" \%$ - matches end of the file or string
" \) - end a group
let syntax_group = matchstr(a:syntax_full,
\ "\n".a:group_name.'\s\+xxx\s\+\zs.\{-}\ze\(\n\w\|\%$\)'
\ )
if syntax_group != ""
" let syn_list = substitute( @l, '^.*xxx\s*\%(contained\s*\)\?', "", '' )
" let syn_list = substitute( @l, '^.*xxx\s*', "", '' )
" We only want the words for the lines begining with
" containedin, but there could be other items.
" Tried to remove all lines that do not begin with contained
" but this does not work in all cases since you can have
" contained nextgroup=...
" So this will strip off the ending of lines with known
" keywords.
let syn_list = substitute(
\ syntax_group, '\<\('.
\ substitute(
\ escape(s:syn_remove_words, '\\/.*$^~[]')
\ , ',', '\\|', 'g'
\ ).
\ '\).\{-}\%($\|'."\n".'\)'
\ , "\n", 'g'
\ )
" Attempt to deal with lines using the match syntax
" javaScriptDocTags xxx match /@\(param\|argument\|requires\|file\)\>/
" Though it can use any types of regex, so this plugin will attempt
" to restrict it
" 1. Only use \( or \%( constructs remove all else
" 2 Remove and []s
" 3. Account for match //constructs
" \%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?
" 4. Hope for the best
"
"
let syn_list_old = syn_list
while syn_list =~ '\<match\>\s\+\/'
if syn_list =~ 'perlElseIfError'
let syn_list = syn_list
endif
" Check if the match has words at least 3 characters long
if syn_list =~ '\<match \/\zs.\{-}\<\w\{3,}\>.\{-}\ze\\\@<!\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+'
" Remove everything after / and before the first \(
let syn_list = substitute( syn_list, '\<match \/\zs.\{-}\ze\\%\?(.\{-}\\\@<!\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+', '', 'g' )
" Remove everything after \) and up to the ending /
let syn_list = substitute( syn_list, '\<match \/.\{-}\\)\zs.\{-}\ze\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+', '', 'g' )
" Remove any character classes
" let syn_list = substitute( syn_list, '\<match /\zs.\{-}\[[^]]*\].\{-}\ze\/ ', '', 'g' )
let syn_list = substitute( syn_list, '\%(\<match \/[^/]\{-}\)\@<=\[[^]]*\]\ze.\{-}\\\@<!\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?', '', 'g' )
" Remove any words < 3 characters
let syn_list = substitute( syn_list, '\%(\<match \/[^/]\{-}\)\@<=\<\w\{1,2}\>\ze.\{-}\\\@<!\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+', '', 'g' )
" Remove all non-word characters
" let syn_list = substitute( syn_list, '\<match /\zs.\{-}\<\W\+\>.\{-}\ze\/ ', "", 'g' )
" let syn_list = substitute( syn_list, '\%(\<match \/[^/]\{-}\)\@<=\W\+\ze.\{-}\/ ', ' ', 'g' )
" Do this by using the outer substitue() call to gather all
" text between the match /.../ tags.
" The inner substitute() call operates on the text selected
" and replaces all non-word characters.
let syn_list = substitute( syn_list, '\<match \/\zs\(.\{-}\)\ze\\\@<!\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+'
\ , '\=substitute(submatch(1), "\\W\\+", " ", "g")'
\ , 'g' )
" Remove the match / / syntax
let syn_list = substitute( syn_list, '\<match \/\(.\{-}\)\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+', '\1', 'g' )
else
" No words long enough, remove the match
" Remove the match syntax
" let syn_list = substitute( syn_list, '\<match \/[^\/]*\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+', '', 'g' )
let syn_list = substitute( syn_list, '\<match \/\%(.\{-}\)\?\/\%(\%(ms\|me\|hs\|he\|rs\|re\|lc\)\S\+\)\?\s\+', '', 'g' )
endif
if syn_list =~ '\<match\>\s\+\/'
" Problem removing the match / / tags
let syn_list = ''
endif
endwhile
" Now strip off the newline + blank space + contained.
" Also include lines with nextgroup=@someName skip_key_words syntax_element
" \ syn_list, '\%(^\|\n\)\@<=\s*\<\(contained\|nextgroup=\)'
" \ syn_list, '\%(^\|\n\)\@<=\s*\<\(contained\|nextgroup=[@a-zA-Z,]*\)'
let syn_list = substitute(
\ syn_list, '\<\(contained\|nextgroup=[@a-zA-Z,]*\)'
\ , "", 'g'
\ )
" This can leave lines like this
" =@vimMenuList skipwhite onoremenu
" Strip the special option keywords first
" :h :syn-skipwhite*
let syn_list = substitute(
\ syn_list, '\<\(skipwhite\|skipnl\|skipempty\)\>'
\ , "", 'g'
\ )
" Now remove the remainder of the nextgroup=@someName lines
let syn_list = substitute(
\ syn_list, '\%(^\|\n\)\@<=\s*\(@\w\+\)'
\ , "", 'g'
\ )
if b:omni_syntax_use_iskeyword == 0
" There are a number of items which have non-word characters in
" them, *'T_F1'*. vim.vim is one such file.
" This will replace non-word characters with spaces.
let syn_list = substitute( syn_list, '[^0-9A-Za-z_ ]', ' ', 'g' )
else
if g:omni_syntax_use_iskeyword_numeric == 1
" iskeyword can contain value like this
" 38,42,43,45,47-58,60-62,64-90,97-122,_,+,-,*,/,%,<,=,>,:,$,?,!,@-@,94
" Numeric values convert to their ASCII equivalent using the
" nr2char() function.
" & 38
" * 42
" + 43
" - 45
" ^ 94
" Iterate through all numeric specifications and convert those
" to their ascii equivalent ensuring the character is printable.
" If so, add it to the list.
let accepted_chars = ''
for item in split(&iskeyword, ',')
if item =~ '\d-\d'
" This is a character range (ie 47-58),
" cycle through each character within the range
let [b:start, b:end] = split(item, '-')
for range_item in range( b:start, b:end )
if range_item <= 127 || g:omni_syntax_use_single_byte == 0
if nr2char(range_item) =~ '\p'
let accepted_chars = accepted_chars . nr2char(range_item)
endif
endif
endfor
elseif item =~ '^\d\+$'
" Only numeric, translate to a character
if item < 127 || g:omni_syntax_use_single_byte == 0
if nr2char(item) =~ '\p'
let accepted_chars = accepted_chars . nr2char(item)
endif
endif
else
if char2nr(item) < 127 || g:omni_syntax_use_single_byte == 0
if item =~ '\p'
let accepted_chars = accepted_chars . item
endif
endif
endif
endfor
" Escape special regex characters
" Looks like the wrong chars are escaped. In a collection,
" :h /[]
" only `]', `\', `-' and `^' are special:
" let accepted_chars = escape(accepted_chars, '\\/.*$^~[]' )
let accepted_chars = escape(accepted_chars, ']\-^' )
" Remove all characters that are not acceptable
let syn_list = substitute( syn_list, '[^A-Za-z'.accepted_chars.']', ' ', 'g' )
else
let accept_chars = ','.&iskeyword.','
" Remove all character ranges
" let accept_chars = substitute(accept_chars, ',[^,]\+-[^,]\+,', ',', 'g')
let accept_chars = substitute(accept_chars, ',\@<=[^,]\+-[^,]\+,', '', 'g')
" Remove all numeric specifications
" let accept_chars = substitute(accept_chars, ',\d\{-},', ',', 'g')
let accept_chars = substitute(accept_chars, ',\@<=\d\{-},', '', 'g')
" Remove all commas
let accept_chars = substitute(accept_chars, ',', '', 'g')
" Escape special regex characters
" Looks like the wrong chars are escaped. In a collection,
" :h /[]
" only `]', `\', `-' and `^' are special:
" let accept_chars = escape(accept_chars, '\\/.*$^~[]' )
let accept_chars = escape(accept_chars, ']\-^' )
" Remove all characters that are not acceptable
let syn_list = substitute( syn_list, '[^0-9A-Za-z_'.accept_chars.']', ' ', 'g' )
endif
endif
if b:omni_syntax_minimum_length > 0
" If the user specified a minimum length, enforce it
let syn_list = substitute(' '.syn_list.' ', ' \S\{,'.b:omni_syntax_minimum_length.'}\ze ', ' ', 'g')
endif
else
let syn_list = ''
endif
return syn_list
endfunction
function! OmniSyntaxShowChars(spec)
let result = []
for item in split(a:spec, ',')
if len(item) > 1
if item == '@-@'
call add(result, char2nr(item))
else
call extend(result, call('range', split(item, '-')))
endif
else
if item == '@' " assume this is [A-Za-z]
for [c1, c2] in [['A', 'Z'], ['a', 'z']]
call extend(result, range(char2nr(c1), char2nr(c2)))
endfor
else
call add(result, char2nr(item))
endif
endif
endfor
return join(map(result, 'nr2char(v:val)'), ', ')
endfunction
let &cpo = s:cpo_save
unlet s:cpo_save
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