756 lines
30 KiB
VimL
756 lines
30 KiB
VimL
" Vim completion script
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" Language: All languages, uses existing syntax highlighting rules
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" Maintainer: David Fishburn <dfishburn dot vim at gmail dot com>
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" Version: 13.0
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" Last Change: 2019 Aug 08
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" Usage: For detailed help, ":help ft-syntax-omni"
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" History
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"
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" Version 13.0
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" - Extended the option omni_syntax_group_include_{filetype}
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" to accept a comma separated list of regex's rather than
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" string. For example, for the javascript filetype you could
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" use:
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" let g:omni_syntax_group_include_javascript = 'javascript\w\+,jquery\w\+'
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" - Some syntax files (perl.vim) use the match // syntax as a mechanism
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" to identify keywords. This update attempts to parse the
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" match syntax and pull out syntax items which are at least
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" 3 words or more.
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"
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" Version 12.0
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" - It is possible to have '-' as part of iskeyword, when
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" checking for character ranges, tighten up the regex.
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" E688: More targets than List items.
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"
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" Version 11.0
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" - Corrected which characters required escaping during
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" substitution calls.
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"
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" Version 10.0
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" - Cycle through all the character ranges specified in the
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" iskeyword option and build a list of valid word separators.
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" Prior to this change, only actual characters were used,
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" where for example ASCII "45" == "-". If "45" were used
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" in iskeyword the hyphen would not be picked up.
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" This introduces a new option, since the character ranges
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" specified could be multibyte:
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" let g:omni_syntax_use_single_byte = 1
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" - This by default will only allow single byte ASCII
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" characters to be added and an additional check to ensure
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" the charater is printable (see documentation for isprint).
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"
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" Version 9.0
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" - Add the check for cpo.
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"
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" Version 8.0
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" - Updated SyntaxCSyntaxGroupItems()
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" - Some additional syntax items were also allowed
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" on nextgroup= lines which were ignored by default.
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" Now these lines are processed independently.
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"
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" Version 7.0
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" - Updated syntaxcomplete#OmniSyntaxList()
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" - Looking up the syntax groups defined from a syntax file
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" looked for only 1 format of {filetype}GroupName, but some
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" syntax writers use this format as well:
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" {b:current_syntax}GroupName
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" - OmniSyntaxList() will now check for both if the first
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" method does not find a match.
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"
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" Version 6.0
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" - Added syntaxcomplete#OmniSyntaxList()
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" - Allows other plugins to use this for their own
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" purposes.
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" - It will return a List of all syntax items for the
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" syntax group name passed in.
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" - XPTemplate for SQL will use this function via the
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" sqlcomplete plugin to populate a Choose box.
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"
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" Version 5.0
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" - Updated SyntaxCSyntaxGroupItems()
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" - When processing a list of syntax groups, the final group
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" was missed in function SyntaxCSyntaxGroupItems.
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"
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" Set completion with CTRL-X CTRL-O to autoloaded function.
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" This check is in place in case this script is
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" sourced directly instead of using the autoload feature.
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if exists('+omnifunc')
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" Do not set the option if already set since this
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" results in an E117 warning.
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if &omnifunc == ""
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setlocal omnifunc=syntaxcomplete#Complete
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endif
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endif
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if exists('g:loaded_syntax_completion')
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finish
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endif
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let g:loaded_syntax_completion = 130
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" Turn on support for line continuations when creating the script
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let s:cpo_save = &cpo
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set cpo&vim
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" Set ignorecase to the ftplugin standard
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" This is the default setting, but if you define a buffer local
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" variable you can override this on a per filetype.
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if !exists('g:omni_syntax_ignorecase')
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let g:omni_syntax_ignorecase = &ignorecase
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endif
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" Indicates whether we should use the iskeyword option to determine
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" how to split words.
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" This is the default setting, but if you define a buffer local
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" variable you can override this on a per filetype.
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if !exists('g:omni_syntax_use_iskeyword')
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let g:omni_syntax_use_iskeyword = 1
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endif
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" When using iskeyword, this setting controls whether the characters
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" should be limited to single byte characters.
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if !exists('g:omni_syntax_use_single_byte')
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let g:omni_syntax_use_single_byte = 1
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endif
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" When using iskeyword, this setting controls whether the characters
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" should be limited to single byte characters.
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if !exists('g:omni_syntax_use_iskeyword_numeric')
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let g:omni_syntax_use_iskeyword_numeric = 1
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endif
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" Only display items in the completion window that are at least
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" this many characters in length.
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" This is the default setting, but if you define a buffer local
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" variable you can override this on a per filetype.
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if !exists('g:omni_syntax_minimum_length')
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let g:omni_syntax_minimum_length = 0
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endif
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" This script will build a completion list based on the syntax
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" elements defined by the files in $VIMRUNTIME/syntax.
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" let s:syn_remove_words = 'match,matchgroup=,contains,'.
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let s:syn_remove_words = 'matchgroup=,contains,'.
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\ 'links to,start=,end='
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" \ 'links to,start=,end=,nextgroup='
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let s:cache_name = []
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let s:cache_list = []
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let s:prepended = ''
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" This function is used for the 'omnifunc' option.
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function! syntaxcomplete#Complete(findstart, base)
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" Only display items in the completion window that are at least
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" this many characters in length
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if !exists('b:omni_syntax_ignorecase')
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if exists('g:omni_syntax_ignorecase')
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let b:omni_syntax_ignorecase = g:omni_syntax_ignorecase
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else
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let b:omni_syntax_ignorecase = &ignorecase
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endif
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endif
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if a:findstart
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" Locate the start of the item, including "."
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let line = getline('.')
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let start = col('.') - 1
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let lastword = -1
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while start > 0
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" if line[start - 1] =~ '\S'
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" let start -= 1
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" elseif line[start - 1] =~ '\.'
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if line[start - 1] =~ '\k'
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let start -= 1
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let lastword = a:findstart
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else
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break
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endif
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endwhile
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" Return the column of the last word, which is going to be changed.
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" Remember the text that comes before it in s:prepended.
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if lastword == -1
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let s:prepended = ''
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return start
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endif
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let s:prepended = strpart(line, start, (col('.') - 1) - start)
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return start
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endif
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" let base = s:prepended . a:base
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let base = s:prepended
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let filetype = substitute(&filetype, '\.', '_', 'g')
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let list_idx = index(s:cache_name, filetype, 0, &ignorecase)
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if list_idx > -1
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let compl_list = s:cache_list[list_idx]
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else
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let compl_list = OmniSyntaxList()
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let s:cache_name = add( s:cache_name, filetype )
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let s:cache_list = add( s:cache_list, compl_list )
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endif
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" Return list of matches.
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if base != ''
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" let compstr = join(compl_list, ' ')
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" let expr = (b:omni_syntax_ignorecase==0?'\C':'').'\<\%('.base.'\)\@!\w\+\s*'
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" let compstr = substitute(compstr, expr, '', 'g')
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" let compl_list = split(compstr, '\s\+')
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" Filter the list based on the first few characters the user
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" entered
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let expr = 'v:val '.(g:omni_syntax_ignorecase==1?'=~?':'=~#')." '^".escape(base, '\\/.*$^~[]').".*'"
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let compl_list = filter(deepcopy(compl_list), expr)
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endif
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return compl_list
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endfunc
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function! syntaxcomplete#OmniSyntaxList(...)
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if a:0 > 0
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let parms = []
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if 3 == type(a:1)
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let parms = a:1
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elseif 1 == type(a:1)
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let parms = split(a:1, ',')
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endif
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return OmniSyntaxList( parms )
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else
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return OmniSyntaxList()
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endif
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endfunc
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function! OmniSyntaxList(...)
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let list_parms = []
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if a:0 > 0
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if 3 == type(a:1)
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let list_parms = a:1
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elseif 1 == type(a:1)
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let list_parms = split(a:1, ',')
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endif
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endif
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" Default to returning a dictionary, if use_dictionary is set to 0
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" a list will be returned.
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" let use_dictionary = 1
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" if a:0 > 0 && a:1 != ''
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" let use_dictionary = a:1
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" endif
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" Only display items in the completion window that are at least
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" this many characters in length
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if !exists('b:omni_syntax_use_iskeyword')
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if exists('g:omni_syntax_use_iskeyword')
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let b:omni_syntax_use_iskeyword = g:omni_syntax_use_iskeyword
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else
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let b:omni_syntax_use_iskeyword = 1
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endif
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endif
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" Only display items in the completion window that are at least
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" this many characters in length
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if !exists('b:omni_syntax_minimum_length')
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if exists('g:omni_syntax_minimum_length')
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let b:omni_syntax_minimum_length = g:omni_syntax_minimum_length
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else
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let b:omni_syntax_minimum_length = 0
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endif
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endif
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let saveL = @l
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let filetype = substitute(&filetype, '\.', '_', 'g')
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if empty(list_parms)
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" Default the include group to include the requested syntax group
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let syntax_group_include_{filetype} = ''
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" Check if there are any overrides specified for this filetype
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if exists('g:omni_syntax_group_include_'.filetype)
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let syntax_group_include_{filetype} =
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\ substitute( g:omni_syntax_group_include_{filetype},'\s\+','','g')
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let list_parms = split(g:omni_syntax_group_include_{filetype}, ',')
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if syntax_group_include_{filetype} =~ '\w'
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let syntax_group_include_{filetype} =
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\ substitute( syntax_group_include_{filetype},
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\ '\s*,\s*', '\\|', 'g'
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\ )
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endif
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endif
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else
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" A specific list was provided, use it
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endif
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" Loop through all the syntax groupnames, and build a
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" syntax file which contains these names. This can
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" work generically for any filetype that does not already
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" have a plugin defined.
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" This ASSUMES the syntax groupname BEGINS with the name
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" of the filetype. From my casual viewing of the vim7\syntax
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" directory this is true for almost all syntax definitions.
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" As an example, the SQL syntax groups have this pattern:
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" sqlType
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" sqlOperators
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" sqlKeyword ...
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if !empty(list_parms) && empty(substitute(join(list_parms), '[a-zA-Z ]', '', 'g'))
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" If list_parms only includes word characters, use it to limit
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" the syntax elements.
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" If using regex syntax list will fail to find those items, so
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" simply grab the who syntax list.
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redir @l
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silent! exec 'syntax list '.join(list_parms)
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redir END
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else
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redir @l
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silent! exec 'syntax list'
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redir END
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endif
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let syntax_full = "\n".@l
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let @l = saveL
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if syntax_full =~ 'E28'
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\ || syntax_full =~ 'E411'
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\ || syntax_full =~ 'E415'
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\ || syntax_full =~ 'No Syntax items'
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return []
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endif
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let filetype = substitute(&filetype, '\.', '_', 'g')
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let list_exclude_groups = []
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if a:0 > 0
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" Do nothing since we have specific a specific list of groups
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else
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" Default the exclude group to nothing
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let syntax_group_exclude_{filetype} = ''
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" Check if there are any overrides specified for this filetype
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if exists('g:omni_syntax_group_exclude_'.filetype)
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let syntax_group_exclude_{filetype} =
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\ substitute( g:omni_syntax_group_exclude_{filetype},'\s\+','','g')
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let list_exclude_groups = split(g:omni_syntax_group_exclude_{filetype}, ',')
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if syntax_group_exclude_{filetype} =~ '\w'
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let syntax_group_exclude_{filetype} =
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\ substitute( syntax_group_exclude_{filetype},
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\ '\s*,\s*', '\\|', 'g'
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\ )
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endif
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endif
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endif
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if empty(list_parms)
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let list_parms = [&filetype.'\w\+']
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endif
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let syn_list = ''
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let index = 0
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for group_regex in list_parms
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" Sometimes filetypes can be composite names, like c.doxygen
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" Loop through each individual part looking for the syntax
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" items specific to each individual filetype.
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" let ftindex = 0
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" let ftindex = match(syntax_full, group_regex, ftindex)
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" while ftindex > -1
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" let ft_part_name = matchstr( syntax_full, '\w\+', ftindex )
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" Syntax rules can contain items for more than just the current
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" filetype. They can contain additional items added by the user
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" via autocmds or their vimrc.
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" Some syntax files can be combined (html, php, jsp).
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" We want only items that begin with the filetype we are interested in.
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let next_group_regex = '\n' .
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\ '\zs'.group_regex.'\ze'.
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\ '\s\+xxx\s\+'
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let index = match(syntax_full, next_group_regex, index)
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" For the matched group name, strip off any of the regex special
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" characters and see if we get a match with the current syntax
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if index == -1 && exists('b:current_syntax') && substitute(group_regex, '[^a-zA-Z ]\+.*', '', 'g') !~ '^'.b:current_syntax
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" There appears to be two standards when writing syntax files.
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" Either items begin as:
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" syn keyword {filetype}Keyword values ...
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" let b:current_syntax = "sql"
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" let b:current_syntax = "sqlanywhere"
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" Or
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" syn keyword {syntax_filename}Keyword values ...
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" let b:current_syntax = "mysql"
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" So, we will make the format of finding the syntax group names
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" a bit more flexible and look for both if the first fails to
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" find a match.
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let next_group_regex = '\n' .
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\ '\zs'.b:current_syntax.'\w\+\ze'.
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\ '\s\+xxx\s\+'
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let index = 0
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let index = match(syntax_full, next_group_regex, index)
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endif
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while index > -1
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let group_name = matchstr( syntax_full, '\w\+', index )
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let get_syn_list = 1
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for exclude_group_name in list_exclude_groups
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if '\<'.exclude_group_name.'\>' =~ '\<'.group_name.'\>'
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let get_syn_list = 0
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endif
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endfor
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" This code is no longer needed in version 6.0 since we have
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" augmented the syntax list command to only retrieve the syntax
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" groups we are interested in.
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"
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" if get_syn_list == 1
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" if syntax_group_include_{filetype} != ''
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" if '\<'.syntax_group_include_{filetype}.'\>' !~ '\<'.group_name.'\>'
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" let get_syn_list = 0
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" endif
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" endif
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" endif
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if get_syn_list == 1
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" Pass in the full syntax listing, plus the group name we
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" are interested in.
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let extra_syn_list = s:SyntaxCSyntaxGroupItems(group_name, syntax_full)
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let syn_list = syn_list . extra_syn_list . "\n"
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endif
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let index = index + strlen(group_name)
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let index = match(syntax_full, next_group_regex, index)
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endwhile
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" let ftindex = ftindex + len(ft_part_name)
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" let ftindex = match( syntax_full, group_regex, ftindex )
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" endwhile
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endfor
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" " Sometimes filetypes can be composite names, like c.doxygen
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" " Loop through each individual part looking for the syntax
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" " items specific to each individual filetype.
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" let syn_list = ''
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" let ftindex = 0
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" let ftindex = match(&filetype, '\w\+', ftindex)
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" while ftindex > -1
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" let ft_part_name = matchstr( &filetype, '\w\+', ftindex )
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" " Syntax rules can contain items for more than just the current
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" " filetype. They can contain additional items added by the user
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" " via autocmds or their vimrc.
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" " Some syntax files can be combined (html, php, jsp).
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" " We want only items that begin with the filetype we are interested in.
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" let next_group_regex = '\n' .
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" \ '\zs'.ft_part_name.'\w\+\ze'.
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" \ '\s\+xxx\s\+'
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" let index = 0
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" let index = match(syntax_full, next_group_regex, index)
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" if index == -1 && exists('b:current_syntax') && ft_part_name != b:current_syntax
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" " There appears to be two standards when writing syntax files.
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" " Either items begin as:
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" " syn keyword {filetype}Keyword values ...
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" " let b:current_syntax = "sql"
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" " let b:current_syntax = "sqlanywhere"
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" " Or
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" " syn keyword {syntax_filename}Keyword values ...
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" " let b:current_syntax = "mysql"
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" " So, we will make the format of finding the syntax group names
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" " a bit more flexible and look for both if the first fails to
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" " find a match.
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" let next_group_regex = '\n' .
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" \ '\zs'.b:current_syntax.'\w\+\ze'.
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" \ '\s\+xxx\s\+'
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" let index = 0
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" let index = match(syntax_full, next_group_regex, index)
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" endif
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" while index > -1
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" let group_name = matchstr( syntax_full, '\w\+', index )
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" let get_syn_list = 1
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" for exclude_group_name in list_exclude_groups
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" if '\<'.exclude_group_name.'\>' =~ '\<'.group_name.'\>'
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" let get_syn_list = 0
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" endif
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" endfor
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" " This code is no longer needed in version 6.0 since we have
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" " augmented the syntax list command to only retrieve the syntax
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" " groups we are interested in.
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" "
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" " if get_syn_list == 1
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" " if syntax_group_include_{filetype} != ''
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" " if '\<'.syntax_group_include_{filetype}.'\>' !~ '\<'.group_name.'\>'
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" " let get_syn_list = 0
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" " endif
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" " endif
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" " endif
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" 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 beginning 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 substitute() 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
|